CN107984834A - 一种pvdf薄膜层高强度户外防水面料 - Google Patents

一种pvdf薄膜层高强度户外防水面料 Download PDF

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CN107984834A
CN107984834A CN201711260969.2A CN201711260969A CN107984834A CN 107984834 A CN107984834 A CN 107984834A CN 201711260969 A CN201711260969 A CN 201711260969A CN 107984834 A CN107984834 A CN 107984834A
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何金蓉
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Chengdu Jereh Sun Engineering Co Ltd
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Abstract

本发明公开了一种PVDF薄膜层高强度户外防水面料，包括布料层、涂料层、薄膜层和压胶层；其中每层材料的具体配方如下：布料层：包括以质量分数计的聚碳酸酯纤维50‑75%、聚四氟乙烯纤维20‑40%和聚乙烯醇缩甲醛纤维20‑35%；涂料层：包括以质量分数计的丙烯酸丁酯40‑60%、亚铁氰化钾15‑25%、苯乙烯顺丁烯二酸酐共聚物钠盐10‑15%和醋酸乙烯10‑20%；薄膜层：包括以质量分数计的PVDF40‑60%、磺基琥珀酸醇醚酯30‑40%和二乙烯三胺20‑35%；压胶层：包括以质量分数计的丁苯橡胶45‑85%、氧化铝粉8‑16%和丙酮20‑30%。本发明通过设有四层结构能够提高较好的防水效果，并且通过在涂料层上设有的薄膜层能够防止涂料在长期使用后磨损较多。

Description

一种PVDF薄膜层高强度户外防水面料
技术领域
本发明涉及布料领域，具体是指一种PVDF薄膜层高强度户外防水面料。
背景技术
防水透气面料的主要功能有：防水，透湿，透气，绝缘，防风，保暖。从制作工艺上讲，防水透气面料的技术要求要比一般的防水面料高的多；同时从品质上来看，防水透气面料也具有其他防水面料所不具备的功能性特点。防水透气面料在加强布料气密性、水密性的同时，其独特的透汽性能，可使结构内部水汽迅速排出，避免结构孳生霉菌，并保持人体始终干爽，完美解决了透气与防风，防水，保暖等问题，是一种健康环保的新型面料。真正的防水面料长期处于潮湿的气候环境中也能经得住渗水压力，不渗水。比如长时间地在风雨交加的户外行走，跪或坐在潮湿的地面，都不会渗水。在水汽的状态下，水颗粒非常细小，根据毛细运动的原理，可以顺利渗透到毛细管到另一侧，从而发生透汽现象。当水汽冷凝变成水珠后，颗粒变大，由于水珠表面张力的作用（水分子之间互相“拉扯抗衡”），水分子就不能顺利脱离水珠渗透到另一侧，也就是防止了水的渗透发生，使透汽膜有了防水的功能。
现有的户外防水材料通常具备一定的防水效果，但是其材质较为轻薄，导致其结构强度较低，在长期的户外活动中会造成衣物表面出现破损的问题，而且采用多层面料的户外衣物着色单一，为了满足功能性需求从而导致其表面无法附着较为立体的涂料层结构。
发明内容
针对上述现有技术中结构强度较差且无法在表面喷涂复杂涂料的问题，本发明的目的在于提供一种通过合理设置达到较高强度且还通过多层材料将涂料层保护起来使其稳定的附着在布料层表面的衣物面料布料。
本发明通过下述技术方案实现：一种PVDF薄膜层高强度户外防水面料，以布料层为基层，并在布料层一侧设有用来增加观感的涂料层，并在涂料层上覆盖有用来保持涂料层长期使用稳定附着在布料层上的薄膜层；在布料层另一侧设有采用烫金工艺贴合在布料层表面的压胶层，其中每层材料的具体配方如下：
布料层：包括以质量分数计的聚碳酸酯纤维50-75%、聚四氟乙烯纤维20-40%和聚乙烯醇缩甲醛纤维20-35%；
涂料层：包括以质量分数计的丙烯酸丁酯40-60%、亚铁氰化钾15-25%、苯乙烯顺丁烯二酸酐共聚物钠盐10-15%和醋酸乙烯10-20%；
薄膜层：包括以质量分数计的PVDF40-60%、磺基琥珀酸醇醚酯30-40%和二乙烯三胺20-35%；
压胶层：包括以质量分数计的丁苯橡胶45-85%、氧化铝粉8-16%和丙酮20-30%。
进一步地，所述布料层包括至少两层且在两层布料层之间设有粘胶层用来粘接贴合。
进一步地，包括以质量分数计的聚碳酸酯纤维60%、聚四氟乙烯纤维20%和聚乙烯醇缩甲醛纤维20%；涂料层：包括以质量分数计的丙烯酸丁酯55%、亚铁氰化钾15%、苯乙烯顺丁烯二酸酐共聚物钠盐15%和醋酸乙烯15%；薄膜层：包括以质量分数计的PVDF50%、磺基琥珀酸醇醚酯30%和二乙烯三胺20%；压胶层：包括以质量分数计的丁苯橡胶70%、氧化铝粉9%和丙酮21%。
进一步地，所述包括以质量分数计的聚碳酸酯纤维50%、聚四氟乙烯纤维25%和聚乙烯醇缩甲醛纤维25%；涂料层：包括以质量分数计的丙烯酸丁酯40%、亚铁氰化钾25%、苯乙烯顺丁烯二酸酐共聚物钠盐15%和醋酸乙烯20%；薄膜层：包括以质量分数计的PVDF45%、磺基琥珀酸醇醚酯35%和二乙烯三胺20%；压胶层：包括以质量分数计的丁苯橡胶58%、氧化铝粉12%和丙酮30%。
进一步地，所述包括以质量分数计的聚碳酸酯纤维59%、聚四氟乙烯纤维17%和聚乙烯醇缩甲醛纤维23%；涂料层：包括以质量分数计的丙烯酸丁酯56%、亚铁氰化钾16%、苯乙烯顺丁烯二酸酐共聚物钠盐14%和醋酸乙烯14%；薄膜层：包括以质量分数计的PVDF42%、磺基琥珀酸醇醚酯34%和二乙烯三胺23%；压胶层：包括以质量分数计的丁苯橡胶66%、氧化铝粉9%和丙酮25%。
本发明与现有技术相比，具有以下优点及有益效果：
本发明的方法通过合理控制各反应物之间的配比，合理控制反应条件而制备出一种适高强度且具有较好防水效果的衣物面料，本发明的防水基层为表面覆盖的薄膜层和内部的压胶层得到的固化物，耐湿性优异，并且抗冲击性等机械特性也优异的性能，粘接性能好，耐久性能好，且制备方法简单易行，适合工业化生产力。
具体实施方式
下面详细描述本发明的实施例。
实施例1：
本实施例的一种PVDF薄膜层高强度户外防水面料，以布料层为基层，并在布料层一侧设有用来增加观感的涂料层，并在涂料层上覆盖有用来保持涂料层长期使用稳定附着在布料层上的薄膜层；在布料层另一侧设有采用烫金工艺贴合在布料层表面的压胶层，其中每层材料的具体配方如下：布料层：包括以质量分数计的聚碳酸酯纤维50-75%、聚四氟乙烯纤维20-40%和聚乙烯醇缩甲醛纤维20-35%；涂料层：包括以质量分数计的丙烯酸丁酯40-60%、亚铁氰化钾15-25%、苯乙烯顺丁烯二酸酐共聚物钠盐10-15%和醋酸乙烯10-20%；薄膜层：包括以质量分数计的PVDF40-60%、磺基琥珀酸醇醚酯30-40%和二乙烯三胺20-35%；压胶层：包括以质量分数计的丁苯橡胶45-85%、氧化铝粉8-16%和丙酮20-30%。
本发明的制备方法，具体步骤为：
（1）布料层的制备：首先制备作为基层的布料层，按照质量分数计取用的聚碳酸酯纤维、聚四氟乙烯纤维和聚乙烯醇缩甲醛纤维作为原材料进行混纺得到纱线并通过机器制成布料层备用；其中混纺成纱为60-80支，并将得到的混纺纱按照110*90的纱织密度进行纺织成布料层。
（2）然后按照质量分数计取用丙烯酸丁酯、亚铁氰化钾、苯乙烯顺丁烯二酸酐共聚物钠盐10-15%和醋酸乙烯作为涂料层原料，先将醋酸乙烯按照质量分数比例倒入丙烯酸丁酯中进行加热搅拌10-20min，然后再向其混合液中加入亚铁氰化钾和苯乙烯顺丁烯二酸酐共聚物钠盐并持续搅拌20-25min即得到涂料；其中具体在140-175℃的条件下进行丙烯酸丁酯的加热搅拌过程。
（3）按照质量分数计取用PVDF、磺基琥珀酸醇醚酯和二乙烯三胺作为薄膜层原材料进行造粒形成改性PVDF颗粒备用；其中造粒挤出温度范围为120-145℃；造粒挤出机前端温度为120-125℃，中端温度140-145℃，后端为135-138℃。
（4）然后将涂料均匀的涂覆在布料层一侧，待其稳定形成涂料层后，将准备好的PVDF颗粒加热并均匀的涂覆在涂料层上并将涂料层完全覆盖；
（5）再以质量分数计选取丁苯橡胶、氧化铝粉和丙酮作为压胶层的原材料进行熔融共聚得到改性丁苯橡胶并通过烫金工艺贴合在布料层设有涂料层相对一侧面上形成压胶层，从而得到衣物面料。
实施例2：
本实施例是在上述实施例1的基础上，进一步地限定，包括以质量分数计的聚碳酸酯纤维60%、聚四氟乙烯纤维20%和聚乙烯醇缩甲醛纤维20%；涂料层：包括以质量分数计的丙烯酸丁酯55%、亚铁氰化钾15%、苯乙烯顺丁烯二酸酐共聚物钠盐15%和醋酸乙烯15%；薄膜层：包括以质量分数计的PVDF50%、磺基琥珀酸醇醚酯30%和二乙烯三胺20%；压胶层：包括以质量分数计的丁苯橡胶70%、氧化铝粉9%和丙酮21%。本实施例的其他部分与上述实施例相同，不再赘述。
实施例3：
本实施例是在上述实施例1的基础上，进一步地限定，所述包括以质量分数计的聚碳酸酯纤维50%、聚四氟乙烯纤维25%和聚乙烯醇缩甲醛纤维25%；涂料层：包括以质量分数计的丙烯酸丁酯40%、亚铁氰化钾25%、苯乙烯顺丁烯二酸酐共聚物钠盐15%和醋酸乙烯20%；薄膜层：包括以质量分数计的PVDF45%、磺基琥珀酸醇醚酯35%和二乙烯三胺20%；压胶层：包括以质量分数计的丁苯橡胶58%、氧化铝粉12%和丙酮30%。本实施例的其他部分与上述实施例相同，不再赘述。
实施例4：
本实施例是在上述实施例1的基础上，进一步地限定，所述包括以质量分数计的聚碳酸酯纤维59%、聚四氟乙烯纤维17%和聚乙烯醇缩甲醛纤维23%；涂料层：包括以质量分数计的丙烯酸丁酯56%、亚铁氰化钾16%、苯乙烯顺丁烯二酸酐共聚物钠盐14%和醋酸乙烯14%；薄膜层：包括以质量分数计的PVDF42%、磺基琥珀酸醇醚酯34%和二乙烯三胺23%；压胶层：包括以质量分数计的丁苯橡胶66%、氧化铝粉9%和丙酮25%。本实施例的其他部分与上述实施例相同，不再赘述。
实施例4：
本实施例是在上述实施例1的基础上，进一步地限定其制备方法，具体步骤为：（1）布料层的制备：首先制备作为基层的布料层，按照质量分数计取用的聚碳酸酯纤维、聚四氟乙烯纤维和聚乙烯醇缩甲醛纤维作为原材料进行混纺得到纱线并通过机器制成布料层备用；其中混纺成纱为70支，并将得到的混纺纱按照110*90的纱织密度进行纺织成布料层。（2）然后按照质量分数计取用丙烯酸丁酯、亚铁氰化钾、苯乙烯顺丁烯二酸酐共聚物钠盐10-15%和醋酸乙烯作为涂料层原料，先将醋酸乙烯按照质量分数比例倒入丙烯酸丁酯中进行加热搅拌15min，然后再向其混合液中加入亚铁氰化钾和苯乙烯顺丁烯二酸酐共聚物钠盐并持续搅拌24min即得到涂料；其中具体在156℃的条件下进行丙烯酸丁酯的加热搅拌过程。（3）按照质量分数计取用PVDF、磺基琥珀酸醇醚酯和二乙烯三胺作为薄膜层原材料进行造粒形成改性PVDF颗粒备用；其中造粒挤出温度范围为120-145℃；造粒挤出机前端温度为120℃，中端温度140℃，后端为138℃；（4）然后将涂料均匀的涂覆在布料层一侧，待其稳定形成涂料层后，将准备好的PVDF颗粒加热并均匀的涂覆在涂料层上并将涂料层完全覆盖；（5）再以质量分数计选取丁苯橡胶、氧化铝粉和丙酮作为压胶层的原材料进行熔融共聚得到改性丁苯橡胶并通过烫金工艺贴合在布料层设有涂料层相对一侧面上形成压胶层，从而得到衣物面料。
实施例5：
本实施例是在上述实施例1的基础上，进一步地限定其制备方法，具体步骤为：（1）布料层的制备：首先制备作为基层的布料层，按照质量分数计取用的聚碳酸酯纤维、聚四氟乙烯纤维和聚乙烯醇缩甲醛纤维作为原材料进行混纺得到纱线并通过机器制成布料层备用；其中混纺成纱为70支，并将得到的混纺纱按照110*90的纱织密度进行纺织成布料层。（2）然后按照质量分数计取用丙烯酸丁酯、亚铁氰化钾、苯乙烯顺丁烯二酸酐共聚物钠盐10-15%和醋酸乙烯作为涂料层原料，先将醋酸乙烯按照质量分数比例倒入丙烯酸丁酯中进行加热搅拌17min，然后再向其混合液中加入亚铁氰化钾和苯乙烯顺丁烯二酸酐共聚物钠盐并持续搅拌22min即得到涂料；其中具体在155℃的条件下进行丙烯酸丁酯的加热搅拌过程；（3）按照质量分数计取用PVDF、磺基琥珀酸醇醚酯和二乙烯三胺作为薄膜层原材料进行造粒形成改性PVDF颗粒备用；其中造粒挤出温度范围为120-145℃；造粒挤出机前端温度为124℃，中端温度145℃，后端为136℃；（4）然后将涂料均匀的涂覆在布料层一侧，待其稳定形成涂料层后，将准备好的PVDF颗粒加热并均匀的涂覆在涂料层上并将涂料层完全覆盖；（5）再以质量分数计选取丁苯橡胶、氧化铝粉和丙酮作为压胶层的原材料进行熔融共聚得到改性丁苯橡胶并通过烫金工艺贴合在布料层设有涂料层相对一侧面上形成压胶层，从而得到衣物面料。
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (5)

1.一种PVDF薄膜层高强度户外防水面料，其特征在于：以布料层为基层，并在布料层一侧设有用来增加观感的涂料层，并在涂料层上覆盖有用来保持涂料层长期使用稳定附着在布料层上的薄膜层；在布料层另一侧设有采用烫金工艺贴合在布料层表面的压胶层，其中每层材料的具体配方如下：
布料层：包括以质量分数计的聚碳酸酯纤维50-75%、聚四氟乙烯纤维20-40%和聚乙烯醇缩甲醛纤维20-35%；
涂料层：包括以质量分数计的丙烯酸丁酯40-60%、亚铁氰化钾15-25%、苯乙烯顺丁烯二酸酐共聚物钠盐10-15%和醋酸乙烯10-20%；
薄膜层：包括以质量分数计的PVDF40-60%、磺基琥珀酸醇醚酯30-40%和二乙烯三胺20-35%；
压胶层：包括以质量分数计的丁苯橡胶45-85%、氧化铝粉8-16%和丙酮20-30%。
2.根据权利要求1所述的一种PVDF薄膜层高强度户外防水面料，其特征在于：所述布料层包括至少两层且在两层布料层之间设有粘胶层用来粘接贴合。
3.根据权利要求1所述的一种PVDF薄膜层高强度户外防水面料，其特征在于：所述布料层包括以质量分数计的聚碳酸酯纤维60%、聚四氟乙烯纤维20%和聚乙烯醇缩甲醛纤维20%；涂料层：包括以质量分数计的丙烯酸丁酯55%、亚铁氰化钾15%、苯乙烯顺丁烯二酸酐共聚物钠盐15%和醋酸乙烯15%；薄膜层：包括以质量分数计的PVDF50%、磺基琥珀酸醇醚酯30%和二乙烯三胺20%；压胶层：包括以质量分数计的丁苯橡胶70%、氧化铝粉9%和丙酮21%。
4.根据权利要求1所述的一种PVDF薄膜层高强度户外防水面料，其特征在于：所述布料层包括以质量分数计的聚碳酸酯纤维50%、聚四氟乙烯纤维25%和聚乙烯醇缩甲醛纤维25%；涂料层：包括以质量分数计的丙烯酸丁酯40%、亚铁氰化钾25%、苯乙烯顺丁烯二酸酐共聚物钠盐15%和醋酸乙烯20%；薄膜层：包括以质量分数计的PVDF45%、磺基琥珀酸醇醚酯35%和二乙烯三胺20%；压胶层：包括以质量分数计的丁苯橡胶58%、氧化铝粉12%和丙酮30%。
5.根据权利要求1所述的一种PVDF薄膜层高强度户外防水面料，其特征在于：所述布料层包括以质量分数计的聚碳酸酯纤维59%、聚四氟乙烯纤维17%和聚乙烯醇缩甲醛纤维23%；涂料层：包括以质量分数计的丙烯酸丁酯56%、亚铁氰化钾16%、苯乙烯顺丁烯二酸酐共聚物钠盐14%和醋酸乙烯14%；薄膜层：包括以质量分数计的PVDF42%、磺基琥珀酸醇醚酯34%和二乙烯三胺23%；压胶层：包括以质量分数计的丁苯橡胶66%、氧化铝粉9%和丙酮25%。
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