<p><br></p><section class="_135editor" data-role="paragraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　醋酸纤维素，是指以醋酸作为溶剂，醋酐作为乙酰化剂，在催化剂作用下进行酯化而得到的一种热塑性树脂，是纤维素衍生物中最早进行商品化生产并且不断发展的纤维素有机酸酯。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="127797" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 10px auto; padding: 0px; display: flex; justify-content: center; overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 0px; background-color: rgb(244, 244, 244); transform: rotate(-5deg); overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px 5px -5px; padding: 0px; display: flex; justify-content: space-between; overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 0px; width: 7px; overflow-wrap: break-word !important; outline: none 0px !important;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 29.92" style="display: block;" xml:space="default"><g><g><path style="fill:#fff;" d="M11,12.15V0H7V12.15a9,9,0,1,0,4,0Z"></path></g></g></svg></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; width: 7px; overflow-wrap: break-word !important; outline: none 0px !important;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 29.92" style="display: block;" xml:space="default"><g><g><path style="fill:#fff;" d="M11,12.15V0H7V12.15a9,9,0,1,0,4,0Z"></path></g></g></svg></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; width: 7px; overflow-wrap: break-word !important; outline: none 0px !important;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 29.92" style="display: block;" xml:space="default"><g><g><path style="fill:#fff;" d="M11,12.15V0H7V12.15a9,9,0,1,0,4,0Z"></path></g></g></svg></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; width: 7px; overflow-wrap: break-word !important; outline: none 0px !important;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 29.92" style="display: block;" xml:space="default"><g><g><path style="fill:#fff;" d="M11,12.15V0H7V12.15a9,9,0,1,0,4,0Z"></path></g></g></svg></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; width: 7px; overflow-wrap: break-word !important; outline: none 0px !important;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 29.92" style="display: block;" xml:space="default"><g><g><path style="fill:#fff;" d="M11,12.15V0H7V12.15a9,9,0,1,0,4,0Z"></path></g></g></svg></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; width: 7px; overflow-wrap: break-word !important; outline: none 0px !important;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 29.92" style="display: block;" xml:space="default"><g><g><path style="fill:#fff;" d="M11,12.15V0H7V12.15a9,9,0,1,0,4,0Z"></path></g></g></svg></section></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; background-color: rgb(115, 184, 255); transform: rotate(5deg) translateX(5px); overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 5px 10px; font-size: 16px; color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important; outline: none 0px !important;"><strong class="135brush" data-brushtype="text" style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">醋酸纤维的特性</strong></section></section></section></section></section></section><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　·耐碱性:弱碱性碱剂对醋酸纤维基本上未造成损伤，纤维失重率很小。遇到强碱后，尤其是二醋酸纤维，容易发生脱乙酰化，造成重量损失，强力和模量也随之下降。因此，处理醋酸纤维的溶液，其PH值不宜超过7.0。在标准洗涤条件下，具有很强的抗氯漂白性能，还可用四氯乙烯进行干洗。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　·耐有机溶剂性能:醋酸纤维在丙酮、DMF、冰醋酸中完全溶解，而在乙醇和四氯乙烯中则不溶解。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　·耐酸性:醋酸纤维的耐酸稳定性较好，常见的硫酸、盐酸、硝酸在一定浓度的范围内对纤维的强力、光泽和伸长等都不会造成影响;但是可以溶解于浓硫酸、浓盐酸、浓硝酸。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　染色性:醋酸纤维虽然来源于纤维素，但是在酯化过程中，纤维素葡萄糖环上的极性羟基很大一部分被乙酰基取代成酯，因此，纤维素纤维染色常用的染料对醋酸纤维几乎就没有亲和力，难以上染。最适合醋酯纤维用的染料是低分子量且染色上染速率相近的分散染料。用分散染料染出的醋酸纤维或织物色泽鲜艳亮丽，匀染效果好，染料吸尽率高，色牢度也高，而且色谱齐全。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　醋酸纤维既具有一定的吸水性，又具有吸水后快速脱去的性能。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　·醋酸纤维的热稳定性较好，纤维的玻璃化转变温度在185℃左右，熔融终止温度在310℃左右，升温结束时，纤维的失重率为90.78%;醋酸纤维的断裂强度为1.29CN/DTEX，而应变为31.44%。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　醋酸纤维的密度比粘胶纤维的要小，和涤纶的较为接近;强度是三种纤维中最低的。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　·醋酸纤维的弹性相对较好，类似于蚕丝，羊毛。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　·沸水收缩率较低，但是高温处理会对纤维的强力和光泽等性能造成影响，因此温度不宜超过85℃。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　醋酸纤维素作为多孔膜材料，具有选择性高、透水量大等特点。手感软、滑、干、舒爽、有弹性；透气性好、芯料、干燥快、无静电吸附舒适。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　溶于很多种常见溶剂（特别是丙酮和其他有机溶剂），改性后可以溶于其它类别的溶剂；CA易湿，有很好的液体透过和优良的吸附性；在织物中，舒适、吸汗，但是当CA湿透时，强度下降。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　可以生物降解，可以上色，不过由于CA不适用用于棉和人造丝，因此需要专门的染料和颜料； 抗霉；在碱性溶液和强氧化剂内易变质；可以干洗或水洗，而且通常不收缩。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section>