<section data-role="paragraph" class="_135editor" 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;">　　由普通涤纶长丝织成的织物，其服用性能具有强度好，滑爽挺括、易洗快干等优点，但存在着手感硬、触感差、光泽不柔和、透气性、吸湿性差等缺点。若与真丝织物相比，差距更大，因此首先必须在丝线结构上仿真丝，才能消除其服用性能差的缺点。</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;">　　1．纤维裁面</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;">　　涤纶长丝被是圆形截面，不具有真丝的天然光泽及柔软的手感，而且透气件较差。为此，必须通过截面变形(异形)及纵向变形(低弹加工)或者两者相结合的方法来改变其原有的性能，使其达到真丝效果。圆形截面的纤维之间排列紧密、空隙小，而异形截面的纤维由于外形不规则，纤维之间无法排列紧密，空隙相应也增大。因此异形截面纤维的膨松性、悬垂性、透气性及屈曲刚性均优于圆形截面纤维。异形纤维的种类很多，有三角形、多边形、三叫形等。由于真丝的截面是三角形，因此，相应地采用三角异形丝或三角异形加工丝，不仅能改善手感及透气性，而且光泽也与其丝相似，加强捻的绉类织物可采用圆形丝，因为经碱减量处理后均采用异形丝相比，手感相差不大，强度确比异形处好。</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;">　　2．纤维线密度</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;">　　纤维的线密度与织物的服用性能有着密切的关系，纤维越细，则单纤根数越多，其织物的手感、悬垂性及透气性也越好。一般采用的仿丝纤维结构是：5tex45旦）/18f，7.6tex（68旦）／30f，7.6tex（68旦）／36f，7.6tex（68旦）／48f，线密度为0.17～0.28tex。新型涤纶的结构是：4.7tex（42且）／72f，7.6tex（68旦）／108f等，线密度为0.05tex左右（超细纤维）。</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;">　　3．丝线捻度</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;">　　丝线的捻度影响织物的外观、手感、光泽、透气性。普通的涤纶长丝织物一般不加强捻，但目前仿真丝绸主要是双绉、乔其等织物，其结构均为加强捻的丝线。绉类织物的纬丝捻度一般为280捻／10cm左右，双绉采用2S2Z的排列，顺纡绉采用同向排列，为便于织造，经丝一般加低捻60～80捻／10cm左右，乔类织物一般经纬均为强捻，2S2Z排列（绉类织物也可加180捻10cm，但是加捻后造成手感发糙，织物发硬，因此，这类产品必须通过碱减量后处理来达到改善手感。）</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;"><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" id="autoparagraph" 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>