CN106243371A - 一种轻离型力防菌离型膜 - Google Patents

一种轻离型力防菌离型膜 Download PDF

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CN106243371A
CN106243371A CN201610615234.6A CN201610615234A CN106243371A CN 106243371 A CN106243371 A CN 106243371A CN 201610615234 A CN201610615234 A CN 201610615234A CN 106243371 A CN106243371 A CN 106243371A
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赵蕴芳
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Suzhou Rui Ellis Electronic Mstar Technology Ltd
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Abstract

本发明所述的一种轻离型力防菌离型膜，其特征在于，包括基膜层，所述基膜层上设置有离型层，离型层由离型剂涂覆而成，离型剂包含下述质量份数的各组分：聚乙烯蜡微粒：5‑10份；乙烯基有机硅树脂：20‑45份；聚氨酯：5‑18份；纳米银：0.5‑2份；颜料：0.1‑3份；润滑剂：1‑4份；消泡剂：0.5‑3份；溶剂：10‑25份。所述轻离型力防菌离型膜表现出较轻且稳定的离型力，同时具有优良的耐磨性能，且添加有纳米银，能够有效抑制细菌的滋生，为使用者的健康安全提供保障。

Description

一种轻离型力防菌离型膜
技术领域
本发明涉及一种离型膜，特别涉及一种轻离型力防菌离型膜。
背景技术
离型膜又称防粘膜，是以聚对苯二甲酸乙二醇酯塑料(简称PET)、双向拉伸聚丙烯薄膜塑料(简称BOPP)、聚乙烯塑料(简称PE)、碳酸酯塑料(简称PC)、聚苯乙烯塑料(简称PS)、聚丙烯塑料(简称CPP)为基材制作的一种表面具有低表面能的特性的材料。将紧邻的黏胶从离型面剥离时，可以轻易剥离或移取离型材料，而不伤害黏胶物性。离型膜的特点是表面平整、洁净度高，后续加工尺寸稳定，透明度及颜色可调整，薄膜的厚度与基材的种类可选择的范围广。利用离型膜这些特点可以向光学与电子领域的零部件的深加工发展，从而适应这一领域越来越多的自动化生产工艺过程，目前，离型膜能够广泛应用于覆铜板、印刷电路板、电子胶黏剂等领域。
离型膜包含基材膜和离型层。基材膜表面至少一面设置有离型层，以提供较低的表面能量。基材膜多采用纸、塑料薄膜作为材料，离型层主要采用硅混合物构成。一般多用于产业用粘着带或者胶粘带等的，对离型膜的性能要求较低，只需要其具有高密着性和残留胶粘率，但是随着工业领域的迅速发展，离型膜的使用范围越来越广，对其其他性能也有了一定要求。
然而，传统的离型膜离型力较高，不易剥离，稳定性不高，会影响离型膜的加工及使用；同时容易滋生并存在细菌及病菌，危害使用者的健康安全。因此，需要一种表现出较轻离型力且稳定，同时具有抗菌效果的离型膜。
发明内容
为解决上述存在的问题，本发明的目的在于提供一种轻离型力防菌离型膜。所述轻离型力防菌离型膜含有聚乙烯蜡微粒，改变了离型膜的表面组成，提高离型膜表面的润滑性能，增加其立体感和光泽度，使得得到的离型膜表现出较轻且稳定的离型力，同时聚乙烯蜡微量具有优良的耐磨性能，可以提高离型膜的抗刮性能；且添加有纳米银，能够有效抑制细菌的滋生，为使用者的健康安全提供保障。
为达到上述目的，本发明的技术方案是：
一种轻离型力防菌离型膜，包括基膜层，所述基膜层上设置有离型层，所述离型层由离型剂涂覆而成，所述离型剂包含下述质量份数的各组分：聚乙烯蜡微粒：5-10份；乙烯基有机硅树脂：20-45份；聚氨酯：5-18份；纳米银：0.5-2份；颜料：0.1-3份；润滑剂：1-4份；消泡剂：0.5-3份；溶剂：10-25份。
进一步地，所述离型剂包含下述重量百分含量的各组分：聚乙烯蜡微粒：7-10份；乙烯基有机硅树脂：20-40份；聚氨酯：9-18份；纳米银：1-2份；颜料：0.8-2.5份；润滑剂：1-3份；消泡剂：1.5-3份；溶剂：15-25份。
进一步地，所述离型剂包含下述重量百分含量的各组分：聚乙烯蜡微粒：8份；乙烯基有机硅树脂：37份；聚氨酯：11份；纳米银：1.5份；颜料：2份；润滑剂：2.2份；消泡剂：1.8份；溶剂：23份。
另，所述基膜层材料为PE、PET、TPX、PMMA、BOPP或PS中的任一种。
再有，所述聚乙烯蜡微粒的粒径为2-4μm。
且，所述纳米银的粒径为20-50nm。
同时，所述润滑剂为乙烯基双硬脂酰胺或季戊四醇硬脂酸酯；所述消泡剂为乙二醇二硬脂酸酯或聚氧丙烯聚氧乙烯甘油醚。
本发明的有益效果在于：
(1)本发明提供的一种轻离型力防菌离型膜，含有聚乙烯蜡微粒，改变了离型膜的表面组成，提高离型膜表面的润滑性能，增加其立体感和光泽度，使得得到的离型膜表现出较轻且稳定的离型力，同时聚乙烯蜡微量具有优良的耐磨性能，可以提高离型膜的抗刮性能；
(2)本发明提供的一种轻离型力防菌离型膜，添加有纳米银，能够有效抑制细菌的滋生，为使用者的健康安全提供保障。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合实施例进一步详细说明。
实施例1
一种轻离型力防菌离型膜，包括基膜层，所述基膜层上设置有离型层，所述离型层由离型剂涂覆而成，所述离型剂包含下述质量份数的各组分：聚乙烯蜡微粒：5份；乙烯基有机硅树脂：30份；聚氨酯：5份；纳米银：0.5份；颜料：0.5份；润滑剂：1份；消泡剂：1.8份；溶剂：10份。
其中，所述基膜层材料为PE，所述聚乙烯蜡微粒的粒径为2μm，所述纳米银的粒径为30nm，所述润滑剂为乙烯基双硬脂酰胺，所述消泡剂为聚氧丙烯聚氧乙烯甘油醚。
实施例2
一种轻离型力防菌离型膜，包括基膜层，所述基膜层上设置有离型层，所述离型层由离型剂涂覆而成，所述离型剂包含下述质量份数的各组分：聚乙烯蜡微粒：6份；乙烯基有机硅树脂：20份；聚氨酯：18份；纳米银：1份；颜料：0.1份；润滑剂：3份；消泡剂：0.5份；溶剂：16份。
其中，所述基膜层材料为PMMA，所述聚乙烯蜡微粒的粒径为2μm，所述纳米银的粒径为20nm，所述润滑剂为季戊四醇硬脂酸酯，所述消泡剂为乙二醇二硬脂酸酯。
实施例3
一种轻离型力防菌离型膜，包括基膜层，所述基膜层上设置有离型层，所述离型层由离型剂涂覆而成，所述离型剂包含下述重量百分含量的各组分：聚乙烯蜡微粒：8份；乙烯基有机硅树脂：37份；聚氨酯：11份；纳米银：1.5份；颜料：2份；润滑剂：2.2份；消泡剂：1.8份；溶剂：23份。
其中，所述基膜层材料为PET，所述聚乙烯蜡微粒的粒径为3μm，所述纳米银的粒径为40nm，所述润滑剂为乙烯基双硬脂酰胺，所述消泡剂为乙二醇二硬脂酸酯。
实施例4
一种轻离型力防菌离型膜，包括基膜层，所述基膜层上设置有离型层，所述离型层由离型剂涂覆而成，所述离型剂包含下述质量份数的各组分：聚乙烯蜡微粒：10份；乙烯基有机硅树脂：40份；聚氨酯：18份；纳米银：1份；颜料：3份；润滑剂：3份；消泡剂：3份；溶剂：22份。
其中，所述基膜层材料为BOPP，所述聚乙烯蜡微粒的粒径为4μm，所述纳米银的粒径为40nm，所述润滑剂为乙烯基双硬脂酰胺，所述消泡剂为聚氧丙烯聚氧乙烯甘油醚。
实施例5
一种轻离型力防菌离型膜，包括基膜层，所述基膜层上设置有离型层，所述离型层由离型剂涂覆而成，所述离型剂包含下述质量份数的各组分：聚乙烯蜡微粒：10份；乙烯基有机硅树脂：45份；聚氨酯：13份；纳米银：2份；颜料：1.5份；润滑剂：4份；消泡剂：2.5份；溶剂：25份。
其中，所述基膜层材料为PS，所述聚乙烯蜡微粒的粒径为4μm，所述纳米银的粒径为50nm，所述润滑剂为乙烯基双硬脂酰胺，所述消泡剂为乙二醇二硬脂酸酯。
对实施例1-5中一种轻离型力防菌离型膜的离型力进行测试，结果见表1。
表1实施例1-5中离型膜的离型力测试结果
项目 常温离型力(g/inch) 70℃老化离型力(g/inch)
实施例1 3 5
实施例2 2 5
实施例3 2 4
实施例4 3 5
实施例5 2 4
离型力的检测方法：TESA7475标准胶带，以300mm/min、180℃剥离。
对实施例1-5中一种轻离型力防菌离型膜的抗菌性能试验参照GB15979-2002和GB15981-1955，对金黄色葡萄球菌和大肠杆菌的抑菌率均在98％以上。
从上述结果可知，实施例1-5中轻离型力防菌离型膜表现出较轻且稳定的离型力，同时能够有效抑制细菌的滋生，为使用者的健康安全提供保障。
需要说明的是，以上实施例仅用以说明本发明的技术方案而非限制。尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的范围，其均应涵盖在本发明的权利要求范围中。

Claims (7)

1.一种轻离型力防菌离型膜，其特征在于，包括基膜层，所述基膜层上设置有离型层，所述离型层由离型剂涂覆而成，所述离型剂包含下述质量份数的各组分：聚乙烯蜡微粒：5-10份；乙烯基有机硅树脂：20-45份；聚氨酯：5-18份；纳米银：0.5-2份；颜料：0.1-3份；润滑剂：1-4份；消泡剂：0.5-3份；溶剂：10-25份。
2.根据权利要求1所述的一种轻离型力防菌离型膜，其特征在于，所述离型剂包含下述重量百分含量的各组分：聚乙烯蜡微粒：7-10份；乙烯基有机硅树脂：20-40份；聚氨酯：9-18份；纳米银：1-2份；颜料：0.8-2.5份；润滑剂：1-3份；消泡剂：1.5-3份；溶剂：15-25份。
3.根据权利要求1所述的一种轻离型力防菌离型膜，其特征在于，所述离型剂包含下述重量百分含量的各组分：聚乙烯蜡微粒：8份；乙烯基有机硅树脂：37份；聚氨酯：11份；纳米银：1.5份；颜料：2份；润滑剂：2.2份；消泡剂：1.8份；溶剂：23份。
4.根据权利要求1所述的一种轻离型力防菌离型膜，其特征在于，所述基膜层材料为PE、PET、TPX、PMMA、BOPP或PS中的任一种。
5.根据权利要求1所述的一种轻离型力防菌离型膜，其特征在于，所述聚乙烯蜡微粒的粒径为2-4μm。
6.根据权利要求1所述的一种轻离型力防菌离型膜，其特征在于，所述纳米银的粒径为20-50nm。
7.根据权利要求1所述的一种轻离型力防菌离型膜，其特征在于，所述润滑剂为乙烯基双硬脂酰胺或季戊四醇硬脂酸酯；所述消泡剂为乙二醇二硬脂酸酯或聚氧丙烯聚氧乙烯甘油醚。
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