CN109435421A - 一种高分子涂膜连接方法 - Google Patents

一种高分子涂膜连接方法 Download PDF

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CN109435421A
CN109435421A CN201811301965.9A CN201811301965A CN109435421A CN 109435421 A CN109435421 A CN 109435421A CN 201811301965 A CN201811301965 A CN 201811301965A CN 109435421 A CN109435421 A CN 109435421A
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王剑
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Abstract

本发明公开了一种高分子涂膜连接方法,包括以下步骤:将需要涂膜的袜子内层与防护外层进行表面杂质处理;将TPU热熔胶涂覆在经处理后的袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜;将处理后的半成品防水袜,通过引布带送入热压辊进行热压合。本发明所述的一种高分子涂膜连接方法,首先,能够降低常规胶膜产品的熔点,制得的TPU热熔胶熔点为70‑85C,适宜TPU胶膜快速加工和低温贴合操作,同时满足制品加工和使用的热稳定性,其次,能够很好的提高TPU热熔胶与袜子内层和防护外层之间的贴合性,避免长时间使用后,出现袜子内层与防护外层分层现象,而影响使用效果,带来更好的使用前景。

Description

一种高分子涂膜连接方法
技术领域
本发明涉及涂膜连接领域,特别涉及一种高分子涂膜连接方法。
背景技术
热塑性聚氨酯(TPU)热熔胶是一种高分子涂膜,经常使用在服装行业,常规的TPU热熔胶具有良好的柔软弯曲性防水性、耐水解性、透明性、与人体接触的舒适性和易加工等性能,可以与众多材料进行很好的粘合,粘合强度高,是制作防水袜的必备材料;
现有高分子涂膜连接方法在使用时存在一定的弊端,首先,现有的聚氨酯类热熔胶胶膜,加工温度普遍偏高,导致胶膜加工过程发生热或氧化降解,高加工温度导致膜收卷时间延长,降低了效率,其次,现有的高分子涂膜连接方法在TPU热熔胶与袜子内层和防护外层之间连接时,容易出现热压合不紧密,使得袜子内层与防护外层分层现象,影响防水袜的使用,为此,我们提出一种高分子涂膜连接方法。
发明内容
本发明的主要目的在于提供一种高分子涂膜连接方法,可以有效解决背景技术中的问题。
为实现上述目的,本发明采取的技术方案为:
一种高分子涂膜连接方法,包括以下步骤:
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜;
(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味。
优选的,所述步骤(2)中,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部。
优选的,所述步骤(3)中,热压辊的温度为65-75℃,热压辊的压力为5-6kPa,引布带输送速度为450-500m/h。
优选的,所述步骤(4)中,冷却辊的温度为8-10℃。
优选的,所述步骤(5)中,风冷时间为20-40s,风速为3.5-5m/s。
优选的,所述步骤(2)中,TPU热熔胶由如下重量百分比的原料制成:
聚酯多元醇70-75%,二异氰酸酯24-28%,扩链剂2-3%,抗氧化剂0.2-0.5%,光稳定剂0.1-0.3%,催化剂0.03-0.05%。
优选的,所述聚酯多元醇为聚已二酸乙二醇酯二醇、聚己二酸丁二醇酯二醇与聚已二酸已二醇酯二醇。
优选的,所述催化剂为有机锡类催化剂,光稳定剂为2-苯并三氮唑,抗氧化剂为三异十三烷基亚磷酸盐,扩链剂为1,3-丁二醇。
与现有技术相比,本发明具有如下有益效果:该一种高分子涂膜连接方法,能够降低常规胶膜产品的熔点,制得的TPU热熔胶熔点为70-85C,适宜TPU胶膜快速加工和低温贴合操作,同时满足制品加工和使用的热稳定性,其次,能够很好的提高TPU热熔胶与袜子内层和防护外层之间的贴合性,避免长时间使用后,出现袜子内层与防护外层分层现象,而影响使用效果,整个高分子涂膜连接方法简单,操作方便,使用效果相对于传统方式更好。
附图说明
图1为本发明一种高分子涂膜连接方法的整体结构流程图。
图2为本发明一种高分子涂膜连接方法防水袜成品结构示意图
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施方式,进一步阐述本发明。
实施例1
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜,TPU热熔胶由如下重量百分比的原料制成:
聚酯多元醇70%,聚酯多元醇为聚已二酸乙二醇酯二醇,二异氰酸酯24%,扩链剂2%,扩链剂为1,3-丁二醇,抗氧化剂0.5%,抗氧化剂为三异十三烷基亚磷酸盐,光稳定剂0.3%,光稳定剂为2-苯并三氮唑,催化剂0.05%,催化剂为有机锡类催化剂。(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合,热压辊的温度为65℃,热压辊的压力为5.0kPa,引布带输送速度为480m/h;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,冷却辊的温度为9℃,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味,风冷时间为30s,风速为4m/s。
实施例2
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜,TPU热熔胶由如下重量百分比的原料制成:
聚酯多元醇70%,聚酯多元醇为聚已二酸乙二醇酯二醇,二异氰酸酯24%,扩链剂2%,扩链剂为1,3-丁二醇,抗氧化剂0.5%,抗氧化剂为三异十三烷基亚磷酸盐,光稳定剂0.3%,光稳定剂为2-苯并三氮唑,催化剂0.05%,催化剂为有机锡类催化剂。(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合,热压辊的温度为70℃,热压辊的压力为5.0kPa,引布带输送速度为480m/h;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,冷却辊的温度为9℃,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味,风冷时间为30s,风速为4m/s。
实施例3
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜,TPU热熔胶由如下重量百分比的原料制成:
聚酯多元醇70%,聚酯多元醇为聚已二酸乙二醇酯二醇,二异氰酸酯24%,扩链剂2%,扩链剂为1,3-丁二醇,抗氧化剂0.5%,抗氧化剂为三异十三烷基亚磷酸盐,光稳定剂0.3%,光稳定剂为2-苯并三氮唑,催化剂0.05%,催化剂为有机锡类催化剂。(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合,热压辊的温度为75℃,热压辊的压力为5.0kPa,引布带输送速度为480m/h;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,冷却辊的温度为9℃,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味,风冷时间为30s,风速为4m/s。
表1为对实施例1-3中经过不同温度热压辊热压合后剥离强度、邵氏硬度与防水袜所能承受压强,测试结果如下:
由表1实验数据可知,本发明高分子涂膜连接方法,相对于常规的防水袜贴合性更好,热压辊的温度越高TPU热熔胶与袜子内层和防护外层之间粘合力更好,剥离强度越大,同时硬度也越来小,更加柔软舒适,但是由于热压辊温度较高,使得TPU热熔胶压合时融化程度较高,造成聚氨酯热熔胶厚度减低,最终导致防水袜的防水性变差,影响防水袜的防水性,通过检测防水袜再不透水时所能承受压强,可以很好的了解防水袜的防水性,另由表1可知实施例2为最优的选择。
实施例4
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜,TPU热熔胶由如下重量百分比的原料制成:
聚酯多元醇70%,聚酯多元醇为聚已二酸乙二醇酯二醇,二异氰酸酯24%,扩链剂2%,扩链剂为1,3-丁二醇,抗氧化剂0.5%,抗氧化剂为三异十三烷基亚磷酸盐,光稳定剂0.3%,光稳定剂为2-苯并三氮唑,催化剂0.05%,催化剂为有机锡类催化剂。(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合,热压辊的温度为70℃,热压辊的压力为5.0kPa,引布带输送速度为480m/h;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,冷却辊的温度为9℃,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味,风冷时间为30s,风速为4m/s。
实施例5
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜,TPU热熔胶由如下重量百分比的原料制成:
聚酯多元醇70%,聚酯多元醇为聚已二酸乙二醇酯二醇,二异氰酸酯24%,扩链剂2%,扩链剂为1,3-丁二醇,抗氧化剂0.5%,抗氧化剂为三异十三烷基亚磷酸盐,光稳定剂0.3%,光稳定剂为2-苯并三氮唑,催化剂0.05%,催化剂为有机锡类催化剂。(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合,热压辊的温度为70℃,热压辊的压力为5.5kPa,引布带输送速度为480m/h;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,冷却辊的温度为9℃,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味,风冷时间为30s,风速为4m/s。
实施例6
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜,TPU热熔胶由如下重量百分比的原料制成:
聚酯多元醇70%,聚酯多元醇为聚已二酸乙二醇酯二醇,二异氰酸酯24%,扩链剂2%,扩链剂为1,3-丁二醇,抗氧化剂0.5%,抗氧化剂为三异十三烷基亚磷酸盐,光稳定剂0.3%,光稳定剂为2-苯并三氮唑,催化剂0.05%,催化剂为有机锡类催化剂。(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合,热压辊的温度为70℃,热压辊的压力为6.0kPa,引布带输送速度为480m/h;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,冷却辊的温度为9℃,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味,风冷时间为30s,风速为4m/s。
表2为对实施例4-6中经过不同压力热压辊压合后剥离强度、邵氏硬度与防水袜所能承受压强,测试结果如下:
由表2实验数据可知,本发明高分子涂膜连接方法,压力增大时TPU热熔胶与袜子内层和防护外层之间粘合力更好,剥离强度越大,但是由于压力增大将TPU热熔胶体积减少,TPU热熔胶密度增大,柔软性降低,防水性增大,另由表2可知实施例2为最优的选择。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (8)

1.一种高分子涂膜连接方法,包括以下步骤:
(1)、将需要涂膜的袜子内层与防护外层进行表面杂质处理;
(2)、将TPU热熔胶涂覆在经步骤(1)处理后的袜子内层的外表面与防护外层的内部,之后,将防护外层套在袜子内层的外表面,形成半成品防水袜;
(3)、将步骤(2)处理后的半成品防水袜,通过引布带送入热压辊进行热压合;
(4)、将步骤(3)热压合后的防水袜,通过引布带送入冷却辊进行冷却,得到成品防水袜;
(5)、将经过冷却辊冷却的成品防水袜,进行风冷散热除味。
2.根据权利要求1所述的一种高分子涂膜连接方法,其特征在于:所述步骤(2)中,通过撒粉将TPU热熔胶涂覆在袜子内层的外表面与防护外层的内部。
3.根据权利要求1所述的一种高分子涂膜连接方法,其特征在于:所述步骤(3)中,热压辊的温度为65-75℃,热压辊的压力为5-6kPa,引布带输送速度为450-500m/h。
4.根据权利要求1所述的一种高分子涂膜连接方法,其特征在于:所述步骤(4)中,冷却辊的温度为8-10℃。
5.根据权利要求1所述的一种高分子涂膜连接方法,其特征在于:所述步骤(5)中,风冷时间为20-40s,风速为3.5-5m/s。
6.根据权利要求1所述的一种高分子涂膜连接方法,其特征在于:所述步骤(2)中,TPU热熔胶由如下重量百分比的原料制成:聚酯多元醇70-75%,二异氰酸酯24-28%,扩链剂2-3%,抗氧化剂0.2-0.5%,光稳定剂0.1-0.3%以及催化剂0.03-0.05%。
7.根据权利要求6所述的一种高分子涂膜连接方法,其特征在于:所述聚酯多元醇为聚已二酸乙二醇酯二醇、聚己二酸丁二醇酯二醇与聚已二酸已二醇酯二醇中的一个或多个的组合物。
8.根据权利要求6所述的一种高分子涂膜连接方法,其特征在于:所述催化剂为有机锡类催化剂,光稳定剂为2-苯并三氮唑,抗氧化剂为三异十三烷基亚磷酸盐,扩链剂为1,3-丁二醇。
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CN103862810A (zh) * 2012-12-17 2014-06-18 青岛同冠王实业有限公司 超柔短绒毛织物的复合方法
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