<section data-role="paragraph" class="_135editor" style="font-size: medium; 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; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">　　答 在树脂整理中，一般整理后织物的强力均有不同程度的损伤，其主要原因可能由两方面造成，其一，由于交联反应形成的网状结构阻止了棉纤维单元结构的运动及纤维之间相对滑动而引起的损伤；其二，由于在树脂整理中通常选用的催化剂都属于酸性催化剂，在整理工序中又要通过高温焙烘。这样便引起纤维素大分子链的酸性降解，而造成强力下降。</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; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">　　为使树脂整理中减少强力下降，很多人曾做过试验，如在树脂整理工作液中添加非离子聚乙烯乳液、水溶性聚氨酯乳液、聚乙烯醇、羧甲基纤维素等来改进整理织物的机械强力，这些添加剂大多是从物理角度去考虑改善织物的硬挺度、厚实度、断裂强度和耐磨性，但这些改善相应减弱了交联程度，使折皱回复角、免烫等级下降，甚至影响织物的透气性及吸湿性能。上海中大科技发展有限公司等单位生产了一种水溶性阳离子树脂强力保护剂SPA，可用于棉织物抗皱整理。SPA强力保护剂的加入，不仅能有效地提高整理织物的经、纬向断裂强力的保留率；还能提高干、湿态折皱回复角；对整理织物的白度还有一定提高；还能降低树脂整理中残留的甲醛含量。</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; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">　　最佳树脂整理工艺是：树脂整理工作液中加入5g／L的SPA，织物二浸二轧，轧液率85％，80℃预烘2min，170℃焙烘3min。经、纬向断裂强度保留率达82％和84％，比常规工艺提高14％和16％。DWRA 210°(急)、230°(缓)、WWRA 189°(急)、225°(缓)。而常规工艺为：DWRA 160°(急)、188°(缓)、WWRA l85°(急)、222°(缓)。</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" id="autoparagraph" style="font-size: medium; 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>