CN111850830B - 一种耐酒精洗涤不退色印花水刺无纺织布 - Google Patents
一种耐酒精洗涤不退色印花水刺无纺织布 Download PDFInfo
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Abstract
本发明公开了一种耐酒精洗涤不退色印花水刺无纺织布，将得到的玉米纤维网和耐酒精丙烯酸树脂纤维网采用雾化的方式喷湿，压实蓬松的纤维网，排除纤维网中的空气，使纤维网进入水刺区后能有效地吸收水射流的能量，最后得到湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网；将得到的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网进行层叠，层叠的层数为3‑6层，层叠完成后进行修边，使得纤维网的长宽一致，而后待用；将层叠的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网送至热轧机中以110‑145℃和3‑6MPa进行热轧，得到耐酒精洗涤不退色印花水刺无纺织布。本发明可以有效的提升无纺织布的耐酒精和防褪色功能，延长了无纺布的使用寿命。
Description
技术领域
本发明涉及无纺布技术领域，具体为一种耐酒精洗涤不退色印花水刺无纺织布。
背景技术
无纺布又称不织布，是由定向的或随机的纤维而构成。因具有布的外观和某些性能而称其为布。无纺布具有防潮、透气、柔韧、质轻、不助燃、容易分解、无毒无刺激性、色彩丰富、价格低廉、可循环再用等特点。如多采用聚丙烯(pp材质)粒料为原料，经高温熔融、喷丝、铺纲、热压卷取连续一步法生产而成。
现有的耐酒精洗涤不退色印花水刺无纺织布的制备方法，一般是先制造出不具功能性的无纺布，接着将无纺布加入到带有相应功能的整理液中进行浸渍，从而使无纺布在一定的时间内或得短暂的效力，在长时间使用后其相应的功能很容易丢失。因此，设计一种耐酒精洗涤不退色印花水刺无纺织布是很有必要的。
发明内容
针对上述情况，为克服现有技术的缺陷，本发明提供一种耐酒精洗涤不退色印花水刺无纺织布，该无纺布可以有效的提升无纺织布的耐酒精和防褪色功能，延长了无纺布的使用寿命。
为实现上述目的，本发明提供如下技术方案：一种耐酒精洗涤不退色印花水刺无纺织布，具体包括以下步骤：
步骤一、提取玉米纤维，具体为：
S1、在开清棉联合机上，使玉米纤维蓬松，并且剔除掉玉米纤维中的杂质，而后使用梳齿将玉米纤维进行梳理，使得玉米纤维整齐排列，并且进一步提出掉玉米纤维中的短纤维和杂质，将玉米纤维浸泡到固色剂中1-2h，烘干；
S2、接着将玉米纤维经斜帘到顶端的横帘，再向下进入直立式夹持帘，夹持帘被滑车带着来回摆动，使薄纤网在成网帘上作横向往复运动，铺叠成0.1-0.5mm的厚度，得到初料；
S3、将得到的初料有规律的弹性拉伸，即每次拉伸2mm，松弛1mm，重复10次以上，最后得到玉米纤维网；
步骤二、耐酒精丙烯酸树脂的制备，具体为：
S1、装有温度计、搅拌器、回流冷凝器的四口烧瓶在氮气的保护下，按摩尔质量比为6.0-8.0∶2.0-2.5∶1，选取甲基丙烯酸甲酯、甲基丙烯酸丁酯和甲基丙烯酸，加入到四口烧瓶中，升温至110-120℃回流；
S2、接着再向四口烧瓶中，按摩尔质量比为3∶1，选取过氧化二苯甲酰和过氧化苯甲酸叔丁酯的混合液，匀速滴加，升温至130-145℃，在转速200-400r/min下搅拌2-3h；
S3、在130℃下保温2h，按摩尔质量比为2∶1，选取聚氨酯类增稠剂和醋酸丁酯的混合液，升温至145-155℃，保温回流2h，降温出料，得到预混的混合物；
S4、将预混的混合物加入到螺杆挤出机，加热熔融挤出，熔体经螺杆挤出机挤出后，再经计量泵进入纺丝组件后从喷丝头挤出细流，熔体细流经牵伸与冷却成耐酒精丙烯酸树脂纤维网；
步骤三、湿纤维网的制备，具体为：
将得到的玉米纤维网和耐酒精丙烯酸树脂纤维网采用雾化的方式喷湿，压实蓬松的纤维网，排除纤维网中的空气，使纤维网进入水刺区后能有效地吸收水射流的能量，最后得到湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网；
步骤四、湿纤维网层叠，具体为：
将得到的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网进行层叠，层叠的层数为3-6层，层叠完成后进行修边，使得纤维网的长宽一致，而后待用；
步骤五、耐酒精洗涤不退色印花水刺无纺织布成型，具体为：
将层叠的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网送至热轧机中以110-145℃和3-6MPa进行热轧，得到耐酒精洗涤不退色印花水刺无纺织布。
根据上述技术方案，所述固色剂的制备，具体为：
在反应容器中加入二乙烯三胺、聚丙烯酸钠、部分己二胺和去离子水，边搅拌边升温，至45-55℃，缓缓滴加二氟苯水杨酸进行加成反应，滴加时间为2.5-3h，滴加完毕，继续保温反应30-40min，滴加剩余的己二胺溶液，滴加时间0.5-1h，滴加完毕，继续保温反应3-4h，却降温至40℃以下，加盐酸调pH值为5-6，得到固色剂。
根据上述技术方案，所述己二胺前期加入的部分为己二胺总量的25-35％，所述保温反应的温度为50℃。
根据上述技术方案，所述甲基丙烯酸丁酯的制备，具体为：
先将甲基丙烯酰胺硫酸盐水解成甲基丙烯酸，其方法是：甲基丙烯酰胺硫酸盐∶水∶吩噻嗪＝1∶0.255∶0.0001，将其加热到沸，回流一小时，然后减压蒸出甲基丙烯酸，馏出物以0.05％吩噻嗪为阻聚剂，接着将甲基丙烯酸和丁醇酯化成丁酯，其方法是：向酯化釜内按克分子比1:1.05投入甲基丙烯酸和丁醇,升温至150-165℃，酯化反应2-4h，继续在150℃下保温3h，得到甲基丙烯酸丁酯。
根据上述技术方案，所述聚氨酯类增稠剂的制备，具体为：
在装有电动搅拌器、温度计、氮气进出口的500mL三口烧瓶中，首先加入聚乙二醇，于120℃真空干燥脱水1h，通入干燥氮气，降温至80-90℃加入六亚甲基二异氰酸酯和异佛尔酮二异氰酸酯，滴加适量催化剂二月桂酸二丁基锡，于80-85℃反应1-2h，再加入适量的芳香胺或脂肪醇于80-85℃反应12h，加入适量的去离子水，配置成20％固含量的溶液，获得聚氨酯类增稠剂。
根据上述技术方案，所述步骤二中螺杆挤出机的螺杆直径为50mm，所述螺杆挤出机的加料段温度为240-255℃，所述螺杆挤出机的压缩段温度为280-295℃。
根据上述技术方案，所述步骤二中喷丝头的温度为250-280℃，所述喷丝头的喷射孔径在230-250nm。
本发明的有益效果为：
1、本发明将得到的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网进行层叠，层叠的层数为3-6层，使湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网交叉分布，使成型的无纺布具有良好的耐酒精和防褪色功能，延长了无纺布的使用寿命；
2、本发明将将玉米纤维浸泡到固色剂，其固色剂以二乙烯三胺、聚丙烯酸钠和己二胺溶液为主要原材料，以二氟苯水杨酸为辅料，可以提升无纺布料的固色性能，防止无纺布褪色；
3、耐酒精丙烯酸树脂纤维网成型以甲基丙烯酸甲酯、甲基丙烯酸丁酯和甲基丙烯酸为主要原材料，其特殊的长碳链酯类特殊单体对耐酒精性有明显的提高，从而有效的提升了无纺布的耐酒精性能。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：
图1是本发明耐酒精洗涤不退色印花水刺无纺织布的成型流程图。
具体实施方式
下面结合附图1对本发明的具体实施方式做进一步详细说明。
实施例1：由图1给出，本发明提供如下技术方案：一种耐酒精洗涤不退色印花水刺无纺织布，具体包括以下步骤：
步骤一、提取玉米纤维，具体为：
S1、在开清棉联合机上，使玉米纤维蓬松，并且剔除掉玉米纤维中的杂质，而后使用梳齿将玉米纤维进行梳理，使得玉米纤维整齐排列，并且进一步提出掉玉米纤维中的短纤维和杂质，将玉米纤维浸泡到固色剂中1-2h，烘干；
S2、接着将玉米纤维经斜帘到顶端的横帘，再向下进入直立式夹持帘，夹持帘被滑车带着来回摆动，使薄纤网在成网帘上作横向往复运动，铺叠成0.1-0.5mm的厚度，得到初料；
S3、将得到的初料有规律的弹性拉伸，即每次拉伸2mm，松弛1mm，重复10次以上，最后得到玉米纤维网；
步骤二、耐酒精丙烯酸树脂的制备，具体为：
S1、装有温度计、搅拌器、回流冷凝器的四口烧瓶在氮气的保护下，按摩尔质量比为6.0∶2.0∶1，选取甲基丙烯酸甲酯、甲基丙烯酸丁酯和甲基丙烯酸，加入到四口烧瓶中，升温至110-120℃回流；
S2、接着再向四口烧瓶中，按摩尔质量比为3∶1，选取过氧化二苯甲酰和过氧化苯甲酸叔丁酯的混合液，匀速滴加，升温至130-145℃，在转速200-400r/min下搅拌2-3h；
S3、在130℃下保温2h，按摩尔质量比为2∶1，选取聚氨酯类增稠剂和醋酸丁酯的混合液，升温至145-155℃，保温回流2h，降温出料，得到预混的混合物；
S4、将预混的混合物加入到螺杆挤出机，加热熔融挤出，熔体经螺杆挤出机挤出后，再经计量泵进入纺丝组件后从喷丝头挤出细流，熔体细流经牵伸与冷却成耐酒精丙烯酸树脂纤维网；
步骤三、湿纤维网的制备，具体为：
将得到的玉米纤维网和耐酒精丙烯酸树脂纤维网采用雾化的方式喷湿，压实蓬松的纤维网，排除纤维网中的空气，使纤维网进入水刺区后能有效地吸收水射流的能量，最后得到湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网；
步骤四、湿纤维网层叠，具体为：
将得到的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网进行层叠，层叠的层数为3-6层，层叠完成后进行修边，使得纤维网的长宽一致，而后待用；
步骤五、耐酒精洗涤不退色印花水刺无纺织布成型，具体为：
将层叠的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网送至热轧机中以110-145℃和3-6MPa进行热轧，得到耐酒精洗涤不退色印花水刺无纺织布。
根据上述技术方案，固色剂的制备，具体为：
在反应容器中加入二乙烯三胺、聚丙烯酸钠、部分己二胺和去离子水，边搅拌边升温，至45-55℃，缓缓滴加二氟苯水杨酸进行加成反应，滴加时间为2.5-3h，滴加完毕，继续保温反应30-40min，滴加剩余的己二胺溶液，滴加时间0.5-1h，滴加完毕，继续保温反应3-4h，却降温至40℃以下，加盐酸调pH值为5-6，得到固色剂。
根据上述技术方案，己二胺前期加入的部分为己二胺总量的25-35％，保温反应的温度为50℃。
根据上述技术方案，甲基丙烯酸丁酯的制备，具体为：
先将甲基丙烯酰胺硫酸盐水解成甲基丙烯酸，其方法是：甲基丙烯酰胺硫酸盐∶水∶吩噻嗪＝1∶0.255∶0.0001，将其加热到沸，回流一小时，然后减压蒸出甲基丙烯酸，馏出物以0.05％吩噻嗪为阻聚剂，接着将甲基丙烯酸和丁醇酯化成丁酯，其方法是：向酯化釜内按克分子比1:1.05投入甲基丙烯酸和丁醇,升温至150-165℃，酯化反应2-4h，继续在150℃下保温3h，得到甲基丙烯酸丁酯。
根据上述技术方案，聚氨酯类增稠剂的制备，具体为：
在装有电动搅拌器、温度计、氮气进出口的500mL三口烧瓶中，首先加入聚乙二醇，于120℃真空干燥脱水1h，通入干燥氮气，降温至80-90℃加入六亚甲基二异氰酸酯和异佛尔酮二异氰酸酯，滴加适量催化剂二月桂酸二丁基锡，于80-85℃反应1-2h，再加入适量的芳香胺或脂肪醇于80-85℃反应12h，加入适量的去离子水，配置成20％固含量的溶液，获得聚氨酯类增稠剂。
根据上述技术方案，步骤二中螺杆挤出机的螺杆直径为50mm，螺杆挤出机的加料段温度为240-255℃，螺杆挤出机的压缩段温度为280-295℃。
根据上述技术方案，步骤二中喷丝头的温度为250-280℃，喷丝头的喷射孔径在230-250nm。
实施例2：由图1给出，本发明提供如下技术方案：一种耐酒精洗涤不退色印花水刺无纺织布，具体包括以下步骤：
步骤一、提取玉米纤维，具体为：
S1、在开清棉联合机上，使玉米纤维蓬松，并且剔除掉玉米纤维中的杂质，而后使用梳齿将玉米纤维进行梳理，使得玉米纤维整齐排列，并且进一步提出掉玉米纤维中的短纤维和杂质，将玉米纤维浸泡到固色剂中1-2h，烘干；
S2、接着将玉米纤维经斜帘到顶端的横帘，再向下进入直立式夹持帘，夹持帘被滑车带着来回摆动，使薄纤网在成网帘上作横向往复运动，铺叠成0.1-0.5mm的厚度，得到初料；
S3、将得到的初料有规律的弹性拉伸，即每次拉伸2mm，松弛1mm，重复10次以上，最后得到玉米纤维网；
步骤二、耐酒精丙烯酸树脂的制备，具体为：
S1、装有温度计、搅拌器、回流冷凝器的四口烧瓶在氮气的保护下，按摩尔质量比为8.0∶2.5∶1，选取甲基丙烯酸甲酯、甲基丙烯酸丁酯和甲基丙烯酸，加入到四口烧瓶中，升温至110-120℃回流；
S2、接着再向四口烧瓶中，按摩尔质量比为3∶1，选取过氧化二苯甲酰和过氧化苯甲酸叔丁酯的混合液，匀速滴加，升温至130-145℃，在转速200-400r/min下搅拌2-3h；
S3、在130℃下保温2h，按摩尔质量比为2∶1，选取聚氨酯类增稠剂和醋酸丁酯的混合液，升温至145-155℃，保温回流2h，降温出料，得到预混的混合物；
S4、将预混的混合物加入到螺杆挤出机，加热熔融挤出，熔体经螺杆挤出机挤出后，再经计量泵进入纺丝组件后从喷丝头挤出细流，熔体细流经牵伸与冷却成耐酒精丙烯酸树脂纤维网；
步骤三、湿纤维网的制备，具体为：
将得到的玉米纤维网和耐酒精丙烯酸树脂纤维网采用雾化的方式喷湿，压实蓬松的纤维网，排除纤维网中的空气，使纤维网进入水刺区后能有效地吸收水射流的能量，最后得到湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网；
步骤四、湿纤维网层叠，具体为：
将得到的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网进行层叠，层叠的层数为3-6层，层叠完成后进行修边，使得纤维网的长宽一致，而后待用；
步骤五、耐酒精洗涤不退色印花水刺无纺织布成型，具体为：
将层叠的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网送至热轧机中以110-145℃和3-6MPa进行热轧，得到耐酒精洗涤不退色印花水刺无纺织布。
根据上述技术方案，固色剂的制备，具体为：
在反应容器中加入二乙烯三胺、聚丙烯酸钠、部分己二胺和去离子水，边搅拌边升温，至45-55℃，缓缓滴加二氟苯水杨酸进行加成反应，滴加时间为2.5-3h，滴加完毕，继续保温反应30-40min，滴加剩余的己二胺溶液，滴加时间0.5-1h，滴加完毕，继续保温反应3-4h，却降温至40℃以下，加盐酸调pH值为5-6，得到固色剂。
根据上述技术方案，己二胺前期加入的部分为己二胺总量的25-35％，保温反应的温度为50℃。
根据上述技术方案，甲基丙烯酸丁酯的制备，具体为：
先将甲基丙烯酰胺硫酸盐水解成甲基丙烯酸，其方法是：甲基丙烯酰胺硫酸盐∶水∶吩噻嗪＝1∶0.255∶0.0001，将其加热到沸，回流一小时，然后减压蒸出甲基丙烯酸，馏出物以0.05％吩噻嗪为阻聚剂，接着将甲基丙烯酸和丁醇酯化成丁酯，其方法是：向酯化釜内按克分子比1:1.05投入甲基丙烯酸和丁醇,升温至150-165℃，酯化反应2-4h，继续在150℃下保温3h，得到甲基丙烯酸丁酯。
根据上述技术方案，聚氨酯类增稠剂的制备，具体为：
在装有电动搅拌器、温度计、氮气进出口的500mL三口烧瓶中，首先加入聚乙二醇，于120℃真空干燥脱水1h，通入干燥氮气，降温至80-90℃加入六亚甲基二异氰酸酯和异佛尔酮二异氰酸酯，滴加适量催化剂二月桂酸二丁基锡，于80-85℃反应1-2h，再加入适量的芳香胺或脂肪醇于80-85℃反应12h，加入适量的去离子水，配置成20％固含量的溶液，获得聚氨酯类增稠剂。
根据上述技术方案，步骤二中螺杆挤出机的螺杆直径为50mm，螺杆挤出机的加料段温度为240-255℃，螺杆挤出机的压缩段温度为280-295℃。
根据上述技术方案，步骤二中喷丝头的温度为250-280℃，喷丝头的喷射孔径在230-250nm。
实验例：
耐酒精丙烯酸树脂纤维网测试指标表：
由以上实验结果表可知，本发明制成的耐酒精丙烯酸树脂纤维网具有良好的耐酒精性，且具有良好的耐洗性。
本发明使用时，本发明将得到的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网进行层叠，层叠的层数为3-6层，使湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网交叉分布，使成型的无纺布具有良好的耐酒精和防褪色功能，延长了无纺布的使用寿命；
本发明将将玉米纤维浸泡到固色剂，其固色剂以二乙烯三胺、聚丙烯酸钠和己二胺溶液为主要原材料，以二氟苯水杨酸为辅料，可以提升无纺布料的固色性能，防止无纺布褪色；
耐酒精丙烯酸树脂纤维网成型以甲基丙烯酸甲酯、甲基丙烯酸丁酯和甲基丙烯酸为主要原材料，其特殊的长碳链酯类特殊单体对耐酒精性有明显的提高，从而有效的提升了无纺布的耐酒精性能。
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
Claims (6)
1.一种耐酒精洗涤不退色印花水刺无纺织布，其特征在于：由以下方法步骤制得：
步骤一、提取玉米纤维，具体为：
S1、在开清棉联合机上，使玉米纤维蓬松，并且剔除掉玉米纤维中的杂质，而后使用梳齿将玉米纤维进行梳理，使得玉米纤维整齐排列，并且进一步剔除 掉玉米纤维中的短纤维和杂质，将玉米纤维浸泡到固色剂中1-2h，烘干；所述固色剂的制备，具体为：在反应容器中加入二乙烯三胺、聚丙烯酸钠、部分己二胺和去离子水，边搅拌边升温，至45-55℃，缓缓滴加二氟苯水杨酸进行加成反应，滴加时间为2.5-3h，滴加完毕，继续保温反应30-40min，滴加剩余的己二胺溶液，滴加时间0.5-1h，滴加完毕，继续保温反应3-4h，却降温至40℃以下，加盐酸调pH值为5-6，得到固色剂；
S2、接着将玉米纤维经斜帘到顶端的横帘，再向下进入直立式夹持帘，夹持帘被滑车带着来回摆动，使薄纤网在成网帘上作横向往复运动，铺叠成0.1-0.5mm的厚度，得到初料；
S3、将得到的初料有规律的弹性拉伸，即每次拉伸2mm，松弛1mm，重复10次以上，最后得到玉米纤维网；
步骤二、耐酒精丙烯酸树脂的制备，具体为：
S1、装有温度计、搅拌器、回流冷凝器的四口烧瓶在氮气的保护下，按摩尔质量比为6.0-8.0∶2.0-2.5∶1，选取甲基丙烯酸甲酯、甲基丙烯酸丁酯和甲基丙烯酸，加入到四口烧瓶中，升温至110-120℃回流；
S2、接着再向四口烧瓶中，按摩尔质量比为3∶1，选取过氧化二苯甲酰和过氧化苯甲酸叔丁酯的混合液，匀速滴加，升温至130-145℃，在转速200-400r/min下搅拌2-3h；
S3、在130℃下保温2h，按摩尔质量比为2∶1，选取聚氨酯类增稠剂和醋酸丁酯的混合液，升温至145-155℃，保温回流2h，降温出料，得到预混的混合物；
S4、将预混的混合物加入到螺杆挤出机，加热熔融挤出，熔体经螺杆挤出机挤出后，再经计量泵进入纺丝组件后从喷丝头挤出细流，熔体细流经牵伸与冷却成耐酒精丙烯酸树脂纤维网；
步骤三、湿纤维网的制备，具体为：
将得到的玉米纤维网和耐酒精丙烯酸树脂纤维网采用雾化的方式喷湿，压实蓬松的纤维网，排除纤维网中的空气，使纤维网进入水刺区后能有效地吸收水射流的能量，最后得到湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网；
步骤四、湿纤维网层叠，具体为：
将得到的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网进行层叠，层叠的层数为3-6层，层叠完成后进行修边，使得纤维网的长宽一致，而后待用；
步骤五、耐酒精洗涤不退色印花水刺无纺织布成型，具体为：
将层叠的湿玉米纤维网和湿耐酒精丙烯酸树脂纤维网送至热轧机中以110-145℃和3-6MPa进行热轧，得到耐酒精洗涤不退色印花水刺无纺织布。
2.根据权利要求1所述的一种耐酒精洗涤不退色印花水刺无纺织布，其特征在于：所述己二胺前期加入的部分为己二胺总量的25-35％，所述保温反应的温度为50℃。
3.根据权利要求1所述的一种耐酒精洗涤不退色印花水刺无纺织布，其特征在于：所述甲基丙烯酸丁酯的制备，具体为：
先将甲基丙烯酰胺硫酸盐水解成甲基丙烯酸，其方法是：甲基丙烯酰胺硫酸盐∶水∶吩噻嗪＝1∶0.255∶0.0001，将其加热到沸，回流一小时，然后减压蒸出甲基丙烯酸，馏出物以0.05％吩噻嗪为阻聚剂，接着将甲基丙烯酸和丁醇酯化成丁酯，其方法是：向酯化釜内按克分子比1:1.05投入甲基丙烯酸和丁醇,升温至150-165℃，酯化反应2-4h，继续在150℃下保温3h，得到甲基丙烯酸丁酯。
4.根据权利要求1所述的一种耐酒精洗涤不退色印花水刺无纺织布，其特征在于：所述聚氨酯类增稠剂的制备，具体为：
在装有电动搅拌器、温度计、氮气进出口的500mL三口烧瓶中，首先加入聚乙二醇，于120℃真空干燥脱水1h，通入干燥氮气，降温至80-90℃加入六亚甲基二异氰酸酯和异佛尔酮二异氰酸酯，滴加适量催化剂二月桂酸二丁基锡，于80-85℃反应1-2h，再加入适量的芳香胺或脂肪醇于80-85℃反应12h，加入适量的去离子水，配置成20％固含量的溶液，获得聚氨酯类增稠剂。
5.根据权利要求1所述的一种耐酒精洗涤不退色印花水刺无纺织布，其特征在于：所述步骤二中螺杆挤出机的螺杆直径为50mm，所述螺杆挤出机的加料段温度为240-255℃，所述螺杆挤出机的压缩段温度为280-295℃。
6.根据权利要求1所述的一种耐酒精洗涤不退色印花水刺无纺织布，其特征在于：所述步骤二中喷丝头的温度为250-280℃，所述喷丝头的喷射孔径在230-250nm。
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