CN111688289A - 一种用于防护服的eva网膜及其制备方法 - Google Patents

一种用于防护服的eva网膜及其制备方法 Download PDF

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CN111688289A
CN111688289A CN202010444477.4A CN202010444477A CN111688289A CN 111688289 A CN111688289 A CN 111688289A CN 202010444477 A CN202010444477 A CN 202010444477A CN 111688289 A CN111688289 A CN 111688289A
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eva
net film
film
protective clothing
layer
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胡燕龙
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Anhui Tiannian Material Technology Co ltd
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Anhui Tiannian Material Technology Co ltd
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Abstract

本发明公开了一种用于防护服的EVA网膜及其制备方法，一种用于防护服的EVA网膜，包括基材，所述基材的表面设置有第一EVA网膜，所述第一EVA网膜的表面设置有纤维层，所述纤维层的表面设置有第二EVA网膜，所述第二EVA网膜的表面设置有防静电层；一种用于防护服的EVA网膜的制备方法，包括以下步骤：S1，材料放置在滚筒复合机上；S2，滚筒复合机复合成一层后进入高频机加温，压烫、切割；S3，将S2中得到的产品与基材复合；S4，将S3中得到的产品通过绕卷机卷绕；S5，包装、检验、入库。本发明涉及网膜制备工艺技术领域，该种用于防护服的EVA网膜及其制备方法，解决了现有的EVA网膜质量差、易撕破、无法实现防静电的问题。

Description

一种用于防护服的EVA网膜及其制备方法
技术领域
本发明涉及网膜制备工艺技术领域，具体为一种用于防护服的EVA网膜及其制备方法。
背景技术
热熔胶是热熔胶粘剂的简称，通常是指在常温下呈现固态，当加热到一定温度便熔融成粘稠的液体，涂布、润湿被粘物后，经压合，冷却至室温即可完成粘接的胶粘剂。其一般具有如下优点：(1)固化速率快，粘接强度大；(2)粘接能力稳定；(3)胶层耐水抗湿；(4)不含水和其他溶剂；(5)不挥发有毒有害的烟雾。热熔胶因上述优点而成为一种绿色环保的胶粘剂，成为当今技术产业发展的一大方向。
热熔胶网膜是把热熔胶经纺丝、铺网、成卷制成网状的热熔胶产品，具有透气、热熔胶使用率高等特点，可最大限度地使用热熔胶，可加工成各种尺寸进行加工，能够广泛适用于织物、纸张、高分子等的粘合。
现有的EVA网膜广泛应用于防护服，但现有的EVA网膜存在质量差、易撕破的问题，导致防护服易被刮破，同时防护服对防静电提出一定的要求，现有的EVA网膜无法实现防静电的问题。
发明内容
（一）解决的技术问题
针对现有技术的不足，本发明提供了一种用于防护服的EVA网膜及其制备方法，解决了现有的EVA网膜质量差、易撕破、无法实现防静电的问题。
（二）技术方案
为实现以上目的，本发明通过以下技术方案予以实现：一种用于防护服的EVA网膜，包括基材，所述基材的表面设置有第一EVA网膜，所述第一EVA网膜的表面设置有纤维层，所述纤维层的表面设置有第二EVA网膜，所述第二EVA网膜的表面设置有防静电层；
所述纤维层为聚酯纤维和尼龙纤维混纺而成；
所述防静电层为导电纤维与涤棉纤维混纺而成。
优选的，所述导电纤维包括不锈钢纤维、亚导电纤维和防静电合成纤维，所述不锈钢纤维、亚导电纤维和防静电合成纤维的用量比为1:2:0.5。
优选的，所述纤维层的厚度为50-80μm，所述纤维层的制备方法为：将聚酯纤维和尼龙纤维颗粒混合，并连同黏度调节剂混合后一同投入螺杆挤出机内，加热至130-180℃熔融造粒后，再次加入螺杆挤出机，加热至150-180℃熔融后，用计量泵打入到喷丝板内，从喷丝板内喷出的热熔胶丝在高压气流下被牵引至金属传送带，形成纤维层。
优选的，所述黏度调节剂为石蜡、微晶蜡和氧化聚乙烯蜡的混合物，气压为3-6MPa。
优选的，所述防静电层的制备方法为：将不锈钢纤维、亚导电纤维、防静电合成纤维与涤棉纤维混合，混合后送入开松机进行开松，然后送入梳理装置，再将其形成的单网剥取到铺网帘上，通过铺网装置将其铺成纵横交错的纤网。
优选的，所述基材为单硅离型纸。
一种用于防护服的EVA网膜的制备方法，包括以下步骤：
S1，第一EVA网膜、纤维层、第二EVA网膜和防静电层的材料放置在滚筒复合机上，将基材放在另一侧滚筒复合机上；
S2，启动滚筒复合机，将基材、第一EVA网膜、纤维层、第二EVA网膜和防静电层通过滚筒复合机复合成一层后进入高频机加温，随后进入平板压烫机内，压烫完成后通过激光切割机对两边进行切割；
S3，将S2中得到的产品与基材通过滚筒复合机复合；
S4，将S3中得到的产品通过绕卷机卷绕；
S5，包装、检验、入库。
优选的，所述步骤S1中，第一EVA网膜、纤维层、第二EVA网膜和防静电层的材料移动速度为6-10m/min，且表面张力为5-20N。
优选的，所述步骤S2中，平板压烫机的热压温度为90-120℃，热压压力为0.5-1.5MPa。
优选的，所述步骤S4中绕卷机卷绕速度与材料移动速度相等。
（三）有益效果
本发明提供了一种用于防护服的EVA网膜及其制备方法，有益效果是：通过设置两层EVA网膜结构，在EVA网膜中还设置有利用EVA网膜粘接的纤维层和防静电层，通过纤维层保证了EVA网膜的抗拉能力，避免了被破坏，同时表面的防静电层能够防止静电，方便了防护服的使用。
附图说明
图1为本发明结构示意图；
图中：1-基材、2-第一EVA网膜、3-纤维层、4-第二EVA网膜、5-防静电层。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，本发明提供一种技术方案：一种用于防护服的EVA网膜，包括基材1，所述基材1的表面设置有第一EVA网膜2，所述第一EVA网膜2的表面设置有纤维层3，所述纤维层3的表面设置有第二EVA网膜4，所述第二EVA网膜4的表面设置有防静电层5；
所述纤维层3为聚酯纤维和尼龙纤维混纺而成；
所述防静电层5为导电纤维与涤棉纤维混纺而成。
导电纤维包括不锈钢纤维、亚导电纤维和防静电合成纤维，所述不锈钢纤维、亚导电纤维和防静电合成纤维的用量比为1:2:0.5。
纤维层3的厚度为60μm，所述纤维层3的制备方法为：将聚酯纤维和尼龙纤维颗粒混合，并连同黏度调节剂混合后一同投入螺杆挤出机内，加热至150℃熔融造粒后，再次加入螺杆挤出机，加热至160℃熔融后，用计量泵打入到喷丝板内，从喷丝板内喷出的热熔胶丝在高压气流下被牵引至金属传送带，形成纤维层。
黏度调节剂为石蜡、微晶蜡和氧化聚乙烯蜡的混合物，气压为4MPa。
防静电层5的制备方法为：将不锈钢纤维、亚导电纤维、防静电合成纤维与涤棉纤维混合，混合后送入开松机进行开松，然后送入梳理装置，再将其形成的单网剥取到铺网帘上，通过铺网装置将其铺成纵横交错的纤网。
基材（1）为单硅离型纸。
一种用于防护服的EVA网膜的制备方法，其特征在于：包括以下步骤：
S1，第一EVA网膜2、纤维层3、第二EVA网膜4和防静电层5的材料放置在滚筒复合机上，将基材1放在另一侧滚筒复合机上；
S2，启动滚筒复合机，将基材1、第一EVA网膜2、纤维层3、第二EVA网膜4和防静电层5通过滚筒复合机复合成一层后进入高频机加温，随后进入平板压烫机内，压烫完成后通过激光切割机对两边进行切割；
S3，将S2中得到的产品与基材1通过滚筒复合机复合；
S4，将S3中得到的产品通过绕卷机卷绕；
S5，包装、检验、入库。
步骤S1中，第一EVA网膜2、纤维层3、第二EVA网膜4和防静电层5的材料移动速度为8m/min，且表面张力为10N。
步骤S2中，平板压烫机的热压温度为110℃，热压压力为1.0 MPa。
步骤S4中绕卷机卷绕速度与材料移动速度相等。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个...... ”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (10)

1.一种用于防护服的EVA网膜，其特征在于：包括基材(1)，所述基材(1)的表面设置有第一EVA网膜(2)，所述第一EVA网膜(2)的表面设置有纤维层(3)，所述纤维层(3)的表面设置有第二EVA网膜(4)，所述第二EVA网膜(4)的表面设置有防静电层(5)；
所述纤维层(3)为聚酯纤维和尼龙纤维混纺而成；
所述防静电层(5)为导电纤维与涤棉纤维混纺而成。
2.根据权利要求1所述的一种用于防护服的EVA网膜，其特征在于：所述导电纤维包括不锈钢纤维、亚导电纤维和防静电合成纤维，所述不锈钢纤维、亚导电纤维和防静电合成纤维的用量比为1:2:0.5。
3.根据权利要求1所述的一种用于防护服的EVA网膜，其特征在于：所述纤维层(3)的厚度为50-80μm，所述纤维层(3)的制备方法为：将聚酯纤维和尼龙纤维颗粒混合，并连同黏度调节剂混合后一同投入螺杆挤出机内，加热至130-180℃熔融造粒后，再次加入螺杆挤出机，加热至150-180℃熔融后，用计量泵打入到喷丝板内，从喷丝板内喷出的热熔胶丝在高压气流下被牵引至金属传送带，形成纤维层。
4.根据权利要求3所述的一种用于防护服的EVA网膜，其特征在于：所述黏度调节剂为石蜡、微晶蜡和氧化聚乙烯蜡的混合物，气压为3-6MPa。
5.根据权利要求1所述的一种用于防护服的EVA网膜，其特征在于：所述防静电层(5)的制备方法为：将不锈钢纤维、亚导电纤维、防静电合成纤维与涤棉纤维混合，混合后送入开松机进行开松，然后送入梳理装置，再将其形成的单网剥取到铺网帘上，通过铺网装置将其铺成纵横交错的纤网。
6.根据权利要求1所述的一种用于防护服的EVA网膜，其特征在于：所述基材(1)为单硅离型纸。
7.一种用于防护服的EVA网膜的制备方法，其特征在于：包括以下步骤：
S1，第一EVA网膜(2)、纤维层(3)、第二EVA网膜(4)和防静电层(5)的材料放置在滚筒复合机上，将基材(1)放在另一侧滚筒复合机上；
S2，启动滚筒复合机，将基材(1)、第一EVA网膜(2)、纤维层(3)、第二EVA网膜(4)和防静电层(5)通过滚筒复合机复合成一层后进入高频机加温，随后进入平板压烫机内，压烫完成后通过激光切割机对两边进行切割；
S3，将S2中得到的产品与基材(1)通过滚筒复合机复合；
S4，将S3中得到的产品通过绕卷机卷绕；
S5，包装、检验、入库。
8.根据权利要求1所述的一种用于防护服的EVA网膜，其特征在于：所述步骤S1中，第一EVA网膜(2)、纤维层(3)、第二EVA网膜(4)和防静电层(5)的材料移动速度为6-10m/min，且表面张力为5-20N。
9.根据权利要求1所述的一种用于防护服的EVA网膜，其特征在于：所述步骤S2中，平板压烫机的热压温度为90-120℃，热压压力为0.5-1.5MPa。
10.根据权利要求1所述的一种用于防护服的EVA网膜，其特征在于：所述步骤S4中绕卷机卷绕速度与材料移动速度相等。
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