<section data-role="outer" class="article135" label="edit by 135editor"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); visibility: visible; overflow-wrap: break-word !important;">涤纶是合成纤维中的一个重要品种，是我国聚酯纤维的商品名称。它是以精对苯二甲酸(PTA) 或对苯二甲酸二甲酯(DMT)和乙二醇(MEG) 为原料，经酯化或酯交换和缩聚反应而制得的成纤高聚物——聚对苯二甲酸乙二醇酯(PET)，经纺丝和后处理制成的纤维。所谓涤纶长丝，是长度为千米以上的丝，长丝卷绕成团。按生产方式的不同，涤纶长丝一般分为初生丝、拉伸丝和变形丝三大类。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-tools="135编辑器" data-id="97835" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; text-align: left; visibility: visible; overflow-wrap: break-word !important;" class=""><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 6px 1.5em; outline: 0px; max-width: 100%; background-color: rgb(221, 237, 235); border-top-right-radius: 20px; border-bottom-right-radius: 20px; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 3px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(195, 217, 223) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(195, 217, 223) 0px 2px; visibility: visible; overflow-wrap: break-word !important;"><strong data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">一、初生丝</strong></section></section></section></section></section><section data-role="paragraph" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" class=""><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><br></p></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; line-height: normal; visibility: visible; font-family: sans-serif; overflow-wrap: break-word !important;"><section data-width-percent="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0.2em; padding: 10px; outline: 0px; max-width: 100%; line-height: 25.6px; border-width: 3px; border-style: solid; border-color: rgb(201, 201, 201); box-shadow: rgb(170, 170, 170) 0px 0px 10px; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" class=""><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; overflow-wrap: normal; clear: both; min-height: 1em; visibility: visible;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(43, 158, 143); visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">初生丝是指直接熔体纺出未经过拉伸变丝的丝，根据纺丝的速度的不同一般分为未拉伸丝（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; overflow-wrap: break-word !important;">UDY</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">）、半</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">预取向丝</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; overflow-wrap: break-word !important;">MOY</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">）、预取向丝（</span>POY<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">）、高取向丝（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; overflow-wrap: break-word !important;">HOY</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">）</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 28px; line-height: 25.6px; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">。</span></span></p></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-top: 5px; margin-bottom: 5px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; line-height: normal; visibility: visible; font-family: sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">1.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">未拉伸丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">UDY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; white-space: pre-wrap; line-height: 1.6; visibility: visible; font-family: 宋体; overflow-wrap: break-word !important;">其纤维分子基本没有取向，未结晶，这种丝的强度低、伸长大、尺寸稳定性差，一般不能直接应用。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">2.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">半取向丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">MOY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">其纤维分子已有少量取向，取向度高于</span>UDY<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">，低于预取向丝，这种丝的结构状态仍然不够稳定，不能直接应用。</span></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">3.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">预取向丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">POY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">纤维本身已经过适度拉伸，有一定取向度，有少量微晶粒，但仍低于成品丝要求。这种丝强度低，伸度大，一般仍不宜直接用于加工织物，但可以通过与其他纤维复合生产复合丝以用于满足织造需求，使织物具有特殊风格。</span></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">4.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">高取向丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">HOY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">采用一步法超高速纺丝制得，纤维分子取向度高，纤维的染色性能较好，但伸长和热收缩较大，不能满足一般服用要求。</span></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-tools="135编辑器" data-id="97835" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; text-align: left; overflow-wrap: break-word !important;" class=""><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 6px 1.5em; outline: 0px; max-width: 100%; background-color: rgb(221, 237, 235); border-top-right-radius: 20px; border-bottom-right-radius: 20px; overflow-wrap: break-word !important;" class=""><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 3px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(195, 217, 223) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(195, 217, 223) 0px 2px; overflow-wrap: break-word !important;"><strong data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">二、拉伸丝</strong></section></section></section></section></section><section style="margin: 0px; padding: 5px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; line-height: normal; border-width: 1px; border-style: dashed; border-color: rgb(255, 255, 255); font-family: sans-serif; overflow-wrap: break-word !important;" class=""><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-width-percent="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0.2em; padding: 10px; outline: 0px; max-width: 100%; line-height: 25.6px; border-width: 3px; border-style: solid; border-color: rgb(201, 201, 201); box-shadow: rgb(170, 170, 170) 0px 0px 10px; font-family: 微软雅黑; overflow-wrap: break-word !important;" class=""><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; overflow-wrap: normal; clear: both; min-height: 1em;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-size: 14px; color: rgb(43, 158, 143); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: 宋体; overflow-wrap: break-word !important;">拉伸丝是指在纺丝的过程中，对纤维进行适度的拉伸而得到的纤维，根据其拉伸的程度的不同，可分为拉伸丝（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: Calibri; overflow-wrap: break-word !important;">DY</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: 宋体; overflow-wrap: break-word !important;">）和全拉伸丝（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: Calibri; overflow-wrap: break-word !important;">FDY）</span></span></p></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; overflow-wrap: break-word !important;">1.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">拉伸丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; overflow-wrap: break-word !important;">DY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; font-family: 宋体; overflow-wrap: break-word !important;">：</span></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; font-family: 宋体; overflow-wrap: break-word !important;">是指在纺丝的过程中，通过低速拉伸而制成的丝，其结晶度在</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; overflow-wrap: break-word !important;">40%</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 1.6; font-family: 宋体; overflow-wrap: break-word !important;">左右，这种丝平直、光滑，相互间排列紧密，但是蓬松性较差。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">2.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">全拉伸丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">FDY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">是指通过纺丝拉伸一步法制得的丝，这种丝的质量稳定，毛丝、断头少，染色均匀性好，是比较理想的高速织造加工用纱。其产品的用用途也比较广泛，市场容量较大，是目前国内家纺、服装面料的主要原料之一。</span></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-tools="135编辑器" data-id="97835" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; text-align: left; overflow-wrap: break-word !important;" class=""><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 6px 1.5em; outline: 0px; max-width: 100%; background-color: rgb(221, 237, 235); border-top-right-radius: 20px; border-bottom-right-radius: 20px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 3px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(195, 217, 223) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(195, 217, 223) 0px 2px; overflow-wrap: break-word !important;"><strong data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">三、变形丝</strong></section></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section style="margin: 0px; padding: 5px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; line-height: normal; border-width: 1px; border-style: dashed; border-color: rgb(255, 255, 255); font-family: sans-serif; overflow-wrap: break-word !important;" class=""><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-width-percent="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0.2em; padding: 10px; outline: 0px; max-width: 100%; line-height: 25.6px; border-width: 3px; border-style: solid; border-color: rgb(201, 201, 201); box-shadow: rgb(170, 170, 170) 0px 0px 10px; font-family: 微软雅黑; overflow-wrap: break-word !important;" class=""><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; overflow-wrap: normal; clear: both; min-height: 1em;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-size: 14px; color: rgb(43, 158, 143); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: 宋体; overflow-wrap: break-word !important;">利用合成纤维受热塑化变形的特点，在机械和热的作用下，使伸直的纤维变成卷曲的纤维，叫做变形丝，也叫做变形纤维。根据原料和加工工艺的不同，可分为常规变形丝（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; text-indent: 28px; overflow-wrap: break-word !important;">TY</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: 宋体; overflow-wrap: break-word !important;">）、拉伸变形丝（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; text-indent: 28px; overflow-wrap: break-word !important;">DTY</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: 宋体; overflow-wrap: break-word !important;">）和空气变形丝（</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; text-indent: 28px; overflow-wrap: break-word !important;">ATY</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; line-height: 25.6px; font-family: 宋体; overflow-wrap: break-word !important;">）。</span></span></p></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">1.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">常规变形丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">TY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">是由纺丝卷绕－拉伸加捻－假捻变形的三步法工艺制得的丝或是由高速纺丝－低速假捻工艺制得的丝，其具有一定的弹性和蓬松性，尺寸稳定性较好。</span></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">2.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">拉伸变形丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">DTY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">一般使用</span>POY<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">为原料，通过拉伸变形一步法制得的低弹丝，其具有一定的弹性，手感不及</span>TY<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">柔软，但是质量稳定，强伸度已满足服用要求。</span></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); font-size: 16px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">3.</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">空气变形丝（</span></strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">ATY</strong><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">）：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">是指利用喷气法使空气喷射技术对丝束进行交络加工，形成不规则扭结丝圈，使丝束具有蓬松毛圈状的纱。其一般以</span>FDY<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">为原料进行生产，部分产品也可以用</span>POY<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: 宋体; overflow-wrap: break-word !important;">为原料进行生产，成品一同用于生产家纺面料。</span></span></p><section data-role="paragraph" class="_135editor"><p><br></p></section></section>