CN112522963A - 环保型无氟防水剂伞面布及其生产方法 - Google Patents

环保型无氟防水剂伞面布及其生产方法 Download PDF

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CN112522963A
CN112522963A CN202011418982.8A CN202011418982A CN112522963A CN 112522963 A CN112522963 A CN 112522963A CN 202011418982 A CN202011418982 A CN 202011418982A CN 112522963 A CN112522963 A CN 112522963A
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许尔明
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Abstract

本发明涉及一种环保型无氟防水剂伞面布生产方法,本发明解决现有技术的问题,其技术方案要点是,包括以下步骤:步骤一,坯布准备;步骤二,坯布退浆和染色;步骤三:将步骤二中染色好的织物送入定型机定型;步骤四:对定型好的织物进行涂层整理,涂层整理时,选择使用320胶与软胶对半并添加2%的柔软剂DOP,使用3%的架桥剂,使用的涂层包括30%丙烯酸树脂、稀释剂甲苯、乙醇胺、异丙醇、交联剂和促进剂,涂层中各成分的重量比为30%丙烯酸树脂:稀释剂甲苯:乙醇胺:异丙醇:交联剂:促进剂等于100:15:2:4:3:0.5。

Description

环保型无氟防水剂伞面布及其生产方法
技术领域
本发明属于一种伞面布生产方法,涉及一种环保型无氟防水剂伞面布及其生产方法。
背景技术
雨伞是人们日常生活中不可缺少的一件日用品,雨伞的使用环境对伞面布的防水效果有较高的要求,因而雨伞厂对伞布的防水效果要求较高。目前伞面布常用的氟系防水剂难以附着在伞面布上,使其防水性能(静水压指标)一般只有3 kPa,雨伞经使用后多次折叠会出现防水性能下降甚至有漏雨的情况发生。同时因为这种伞面布中含有一定量的氟,氟容易造成环境污染,且含氟的雨伞也不容易回收,不论是采用焚烧、土壤掩埋或是填海等垃圾处理方式,都仍会造成空气、土壤与水源的污染,并且当下,人们对于健康和绿色的问题都较为重视。因此市场急需开发环保型的无氟伞面布。
发明内容
本发明解决了现有技术存在雨伞经使用后多次折叠会出现防水性能下降甚至有漏雨的情况发生,且伞面布中含有一定量的氟,氟容易造成环境污染,且含氟的雨伞也不容易回收,不论是采用焚烧、土壤掩埋或是填海等垃圾处理方式,都仍会造成空气、土壤与水源的污染的问题,提供一种环保型无氟防水剂伞面布生产方法。
本发明解决其技术问题所采用的技术方案是:一种环保型无氟防水剂伞面布生产方法,包括以下步骤:
步骤一,坯布准备;
步骤二,坯布退浆和染色;
步骤三:将步骤二中染色好的织物送入定型机定型;
步骤四:对定型好的织物进行涂层整理,涂层整理时,选择使用320胶与软胶对半并添加2%的柔软剂DOP,使用3%的架桥剂,使用的涂层包括30%丙烯酸树脂、稀释剂甲苯、乙醇胺、异丙醇、交联剂和促进剂,涂层中各成分的重量比为30%丙烯酸树脂:稀释剂甲苯:乙醇胺:异丙醇:交联剂:促进剂等于100:15:2:4:3:0.5;涂层速度70m/min,每次涂层的温度均为150±2℃;涂层上机粘度15000cps,用胶量30-33g/m。
选用硅氧烷化合物作为防水剂的主要成分,选取由不同种类硅氧烷化合物复配的混合液作为防水剂母液,有甲基含氢硅氧烷乳液、羟基硅烷乳液、羧基硅烷乳液混合而成,优化各硅氧烷化合物的含量,并增加稳定剂比例,使防水剂可以更牢固的结合在伞面布上;通过加入酸性调节剂,可使硅烷持续性的水解,通过酸性条件的优化,提高防水剂的持续加工稳定性。无氟防水剂伞面布的防水性能主要防水剂的结合度有关,主要影响因素包括防水剂母液的组成成分、稳定剂的相对比例以及织物的后整理方式。无氟防水剂剂主要成分是一种硅系高分子聚合物,非离子性,外观呈乳白色液体,主要特性是通过调节母液组成成分的比例,如甲基含氢硅氧烷乳液、羟基硅烷乳液、羧基硅烷乳液等,可以优化伞面布的防水性能,从而使其达到最佳。本发明通过后整理工艺提升伞面布织物的防水性能,其基本原理是通过酸性试剂的调节,使硅烷得到持续性的水解,这提高了防水剂在加工过程中的稳定性以及与伞面布的结合度。选用硅氧烷化合物作为防水剂的主要成分,选取由不同种类硅氧烷化合物复配的混合液作为防水剂母液,有甲基含氢硅氧烷乳液、羟基硅烷乳液、羧基硅烷乳液混合而成,优化各硅氧烷化合物的含量,并增加稳定剂比例,使防水剂可以更牢固的结合在伞面布上;通过加入酸性调节剂,可使硅烷持续性的水解,通过酸性条件的优化,提高防水剂的持续加工稳定性。无氟防水剂伞面布的防水性能主要防水剂的结合度有关,主要影响因素包括防水剂母液的组成成分、稳定剂的相对比例以及织物的后整理方式。采用这种无氟防水剂得到的伞面布与常规伞面布相比,布面的防水性能(静水压指标)可达到30 kPa以上,防水性能提升10倍以上,并且折叠30次后,胶膜的牢固度仍然很好,且手感顺滑,布面的防水性能不会下降,并且大大提升了伞面布的使用寿命。本发明研发的无氟防水剂伞面布与市场上一般的伞面布相比较而言,氟含量小于100 ppm。这已经达到了预期的生产标准,对于环境的保护也大大提高。本发明突破了传统的伞面料抗紫外线的原理,研发的无氟防水剂伞面布通过加厚聚丙烯酸黑色涂层胶实现对光线完全阻隔,真正做到可见光零透过,具有超强的防晒抗紫外线效果,其UPF值可以达到40+以上,UVA和UVB屏蔽率可达到万分之五以内。
作为优选,在步骤三中,步骤二中染色好的织物送入定型机定型时,烘箱温度设定200±5℃,烘箱停留时间18±2秒。
作为优选,在所述步骤二中,坯布投入溢流染色机内进行退浆并染色,色牢度4级以上。将步骤1中接好的坯布投入溢流染色机内进行退浆并染色,对色后要做好还原清洗工作;特别注意的是颜色要染成兰光黑色,色牢度4级以上;染色工艺无其他特殊要求。
作为优选,在所述步骤一中,选用涤纶长丝平纹布,经纬丝规格均为 50/36F ,经纬密度要达到204条以上,将该坯布进行缝头处理。
作为优选,在步骤三中,定型操作时添加的原材料包括SK-90撕裂强度提升剂:硅氧烷化合物复配混合液:水:酸性调节剂,且添加的原材料重量比如下,SK-90撕裂强度提升剂:硅氧烷化合物复配混合液:水:酸性调节剂等于3:6:5:1。将步骤2中染色好的织物按照下面工艺进行门幅拉宽和整纬:
定型机烘箱温度设定200摄氏度,烘箱停留时间18秒,定型添加3%的撕裂牢度提升剂SK-90,通过SK-90的防撕裂防纰性能,增强无氟防水剂伞面布的防撕裂效果;定型添加1%的酸性调节剂,使硅烷持续性的水解,提高防水剂的持续加工稳定性。
作为优选,在所述步骤四中,布面的静水压指标达到30 kPa以上,并且折叠30次后,布面的静水压指标依然达到30 kPa以上,氟含量小于100 ppm,布面的UPF值达到40+以上,UVA和UVB屏蔽率达到万分之五以内。伞面布的防水性能也称静水压,是指水通过织物时所遇到的阻力,在标准大气压条件下,织物承受持续上升的水压,直到织物背面渗出水珠为止,此时,测得的水的压力值即为静水压。伞面布的防水性能严重影响着雨伞的可实用性。需要借助各种试验实验对伞面布的防水性能进行评价。
一种环保型无氟防水剂伞面布,采用环保型无氟防水剂伞面布生产方法进行生产,包含织物层和涂层,所述的涂层包括30%丙烯酸树脂、稀释剂甲苯、乙醇胺、异丙醇、交联剂和促进剂,涂层中各成分的重量比为30%丙烯酸树脂:稀释剂甲苯:乙醇胺:异丙醇:交联剂:促进剂等于100:15:2:4:3:0.5。
本发明的实质性效果是:本发明研发的无氟防水剂伞面布与市场上一般的伞面布相比较而言,氟含量小于100 ppm。这已经达到了预期的生产标准,对于环境的保护也大大提高。本发明突破了传统的伞面料抗紫外线的原理,研发的无氟防水剂伞面布通过加厚聚丙烯酸黑色涂层胶实现对光线完全阻隔,真正做到可见光零透过,具有超强的防晒抗紫外线效果,其UPF值可以达到40+以上,UVA和UVB屏蔽率可达到万分之五以内。
具体实施方式
下面通过具体实施例,对本发明的技术方案作进一步的具体说明。
实施例1:
一种环保型无氟防水剂伞面布生产方法,包括以下步骤:
步骤一,坯布准备;选用涤纶长丝平纹布,经纬丝规格均为 50/36F ,经纬密度要达到204条以上,将该坯布进行缝头处理。
步骤二,坯布退浆和染色;坯布投入溢流染色机内进行退浆并染色,色牢度4级以上。
步骤三:将步骤二中染色好的织物送入定型机定型;步骤二中染色好的织物送入定型机定型时,烘箱温度设定200±5℃,烘箱停留时间18±2秒。定型操作时添加的原材料包括SK-90撕裂强度提升剂:硅氧烷化合物复配混合液:水:酸性调节剂,且添加的原材料重量比如下,SK-90撕裂强度提升剂:硅氧烷化合物复配混合液:水:酸性调节剂等于3:6:5:1。
步骤四:对定型好的织物进行涂层整理,涂层整理时,选择使用320胶与软胶对半并添加2%的柔软剂DOP,使用3%的架桥剂,使用的涂层包括30%丙烯酸树脂、稀释剂甲苯、乙醇胺、异丙醇、交联剂和促进剂,涂层中各成分的重量比为30%丙烯酸树脂:稀释剂甲苯:乙醇胺:异丙醇:交联剂:促进剂等于100:15:2:4:3:0.5;涂层速度70m/min,每次涂层的温度均为150±2℃;涂层上机粘度15000cps左右,用胶量30-33g/m。布面的静水压指标达到30kPa以上,并且折叠30次后,布面的静水压指标依然达到30 kPa以上,氟含量小于100 ppm,布面的UPF值达到40+以上,UVA和UVB屏蔽率达到万分之五以内。
一种环保型无氟防水剂伞面布,采用环保型无氟防水剂伞面布生产方法进行生产,包含织物层和涂层,所述的涂层包括30%丙烯酸树脂、稀释剂甲苯、乙醇胺、异丙醇、交联剂和促进剂,涂层中各成分的重量比为30%丙烯酸树脂:稀释剂甲苯:乙醇胺:异丙醇:交联剂:促进剂等于100:15:2:4:3:0.5。
选用硅氧烷化合物作为防水剂的主要成分,选取由不同种类硅氧烷化合物复配的混合液作为防水剂母液,有甲基含氢硅氧烷乳液、羟基硅烷乳液、羧基硅烷乳液混合而成,优化各硅氧烷化合物的含量,并增加稳定剂比例,使防水剂可以更牢固的结合在伞面布上;通过加入酸性调节剂,可使硅烷持续性的水解,通过酸性条件的优化,提高防水剂的持续加工稳定性。无氟防水剂伞面布的防水性能主要防水剂的结合度有关,主要影响因素包括防水剂母液的组成成分、稳定剂的相对比例以及织物的后整理方式。无氟防水剂剂主要成分是一种硅系高分子聚合物,非离子性,外观呈乳白色液体,主要特性是通过调节母液组成成分的比例,如甲基含氢硅氧烷乳液、羟基硅烷乳液、羧基硅烷乳液等,可以优化伞面布的防水性能,从而使其达到最佳。本发明通过后整理工艺提升伞面布织物的防水性能,其基本原理是通过酸性试剂的调节,使硅烷得到持续性的水解,这提高了防水剂在加工过程中的稳定性以及与伞面布的结合度。选用硅氧烷化合物作为防水剂的主要成分,选取由不同种类硅氧烷化合物复配的混合液作为防水剂母液,有甲基含氢硅氧烷乳液、羟基硅烷乳液、羧基硅烷乳液混合而成,优化各硅氧烷化合物的含量,并增加稳定剂比例,使防水剂可以更牢固的结合在伞面布上;通过加入酸性调节剂,可使硅烷持续性的水解,通过酸性条件的优化,提高防水剂的持续加工稳定性。无氟防水剂伞面布的防水性能主要防水剂的结合度有关,主要影响因素包括防水剂母液的组成成分、稳定剂的相对比例以及织物的后整理方式。采用这种无氟防水剂得到的伞面布与常规伞面布相比,布面的防水性能(静水压指标)可达到30 kPa以上,防水性能提升10倍以上,并且折叠30次后,胶膜的牢固度仍然很好,且手感顺滑,布面的防水性能不会下降,并且大大提升了伞面布的使用寿命。本发明研发的无氟防水剂伞面布与市场上一般的伞面布相比较而言,氟含量小于100 ppm。这已经达到了预期的生产标准,对于环境的保护也大大提高。本发明突破了传统的伞面料抗紫外线的原理,研发的无氟防水剂伞面布通过加厚聚丙烯酸黑色涂层胶实现对光线完全阻隔,真正做到可见光零透过,具有超强的防晒抗紫外线效果,其UPF值可以达到40+以上,UVA和UVB屏蔽率可达到万分之五以内。
以上所述的实施例只是本发明的一种较佳的方案,并非对本发明作任何形式上的限制,在不超出权利要求所记载的技术方案的前提下还有其它的变体及改型。

Claims (7)

1.一种环保型无氟防水剂伞面布生产方法,其特征在于:包括以下步骤:
步骤一,坯布准备;
步骤二,坯布退浆和染色;
步骤三:将步骤二中染色好的织物送入定型机定型;
步骤四:对定型好的织物进行涂层整理,涂层整理时,选择使用320胶与软胶对半并添加2%的柔软剂DOP,使用3%的架桥剂,使用的涂层包括30%丙烯酸树脂、稀释剂甲苯、乙醇胺、异丙醇、交联剂和促进剂,涂层中各成分的重量比为30%丙烯酸树脂:稀释剂甲苯:乙醇胺:异丙醇:交联剂:促进剂等于100:15:2:4:3:0.5;涂层速度70m/min,每次涂层的温度均为150±2℃;涂层上机粘度15000cps,用胶量30-33g/m。
2.根据权利要求1所述的环保型无氟防水剂伞面布生产方法,其特征在于:在步骤三中,步骤二中染色好的织物送入定型机定型时,烘箱温度设定200±5℃,烘箱停留时间18±2秒。
3.根据权利要求2所述的环保型无氟防水剂伞面布生产方法,其特征在于:在步骤三中,定型操作时添加的原材料包括SK-90撕裂强度提升剂:硅氧烷化合物复配混合液:水:酸性调节剂,且添加的原材料重量比如下,SK-90撕裂强度提升剂:硅氧烷化合物复配混合液:水:酸性调节剂等于3:6:5:1。
4. 根据权利要求1所述的环保型无氟防水剂伞面布生产方法,其特征在于:在所述步骤一中,选用涤纶长丝平纹布,经纬丝规格均为 50/36F ,经纬密度要达到204条以上,将该坯布进行缝头处理。
5.根据权利要求1所述的环保型无氟防水剂伞面布生产方法,其特征在于:在所述步骤二中,坯布投入溢流染色机内进行退浆并染色,色牢度4级以上。
6. 根据权利要求1所述的环保型无氟防水剂伞面布生产方法,其特征在于:在所述步骤四中,布面的静水压指标达到30 kPa以上,并且折叠30次后,布面的静水压指标依然达到30 kPa以上,氟含量小于100 ppm,布面的UPF值达到40+以上,UVA和UVB屏蔽率达到万分之五以内。
7.一种环保型无氟防水剂伞面布,采用如权利要求1所述的环保型无氟防水剂伞面布生产方法进行生产,其特征在于:包含织物层和涂层,所述的涂层包括30%丙烯酸树脂、稀释剂甲苯、乙醇胺、异丙醇、交联剂和促进剂,涂层中各成分的重量比为30%丙烯酸树脂:稀释剂甲苯:乙醇胺:异丙醇:交联剂:促进剂等于100:15:2:4:3:0.5。
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