CN106166880A - 一种抗静电聚碳酸酯薄膜 - Google Patents

一种抗静电聚碳酸酯薄膜 Download PDF

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CN106166880A
CN106166880A CN201610514757.1A CN201610514757A CN106166880A CN 106166880 A CN106166880 A CN 106166880A CN 201610514757 A CN201610514757 A CN 201610514757A CN 106166880 A CN106166880 A CN 106166880A
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polycarbonate
conductive layer
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film
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王鹏
甄万清
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Jiaxing Gaozhenggao Polymer Material Co Ltd
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Jiaxing Gaozhenggao Polymer Material Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/244—All polymers belonging to those covered by group B32B27/36
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance

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Abstract

本发明公开了一种抗静电聚碳酸酯薄膜，所述抗静电聚碳酸酯薄膜自下而上依次包括第一导电层、聚碳酸酯基层、第二导电层、耐磨层，所述第一导电层和第二导电层各自为附着有碳纳米管的聚碳酸酯层；所述耐磨层为附着有耐摩擦剂的聚碳酸酯层。本发明在基材的两面均设置导电层，可以消除聚碳酸酯膜两面的静电，在用于包装材料时更容易操作，可以防止静电累积导致的电击、放电等潜在危险，也可防止静电累积导致的污染、灰尘等。在聚碳酸酯膜的表面设置耐磨层，可以降低薄膜的耐摩擦系数，提高薄膜耐久性。

Description

一种抗静电聚碳酸酯薄膜
技术领域
本发明涉及一种抗静电聚碳酸酯薄膜。
背景技术
聚碳酸酯(PC)是一种非晶体工程材料，具有特别好的抗充击强度、热稳定性、光泽度、抑制细菌特性、阻燃特性以及抗污染性。
由于其电绝缘性优良，故其制品极适于作工业绝缘材料,这是由于其表面电阻或体积电阻率较高的缘故。但是在许多应用中,当因摩擦、剥离或感应过程会使PC薄膜表面产生及积累静电荷,这些特性会导致严重的潜在危险,如吸尘、电击、放电甚至燃烧和爆炸。为避免发生这类危险,对其进行抗静电改性是工业上常用的有效方法,目的是降低塑料表面静电荷的生成及积累。
发明内容
本发明提供了一种抗静电聚碳酸酯薄膜。
本发明采用的技术方案是：
一种抗静电聚碳酸酯薄膜，所述抗静电聚碳酸酯薄膜自下而上依次包括第一导电层、聚碳酸酯基层、第二导电层、耐磨层，所述第一导电层和第二导电层各自为附着有碳纳米管的聚碳酸酯层；所述耐磨层为附着有耐摩擦剂的聚碳酸酯层。
进一步，所述第一导电层、聚碳酸酯基层、第二导电层、耐磨层通过共挤出制得所述抗静电聚碳酸酯薄膜。
进一步，所述第一导电层的厚度为1～100μm，优选10～50μm；聚碳酸酯基层的厚度为10～500μm，第二导电层的厚度为1～100μm，优选10～50μm；耐磨层的厚度为1～50μm，优选5～20μm；。
所述第一导电层和第二导电层的表面电阻率在103～106Ω。
本发明中，所述第一导电层和第二导电层各自为附着有碳纳米管的聚碳酸酯层，可采用添加有(可以是内掺或者附着方式)碳纳米管的聚碳酸酯材料制作而成。
所述耐磨层为附着有耐摩擦剂的聚碳酸酯层，可采用添加有(可以是内掺或者附着方式)耐摩擦剂的聚碳酸酯材料制作而成。
所述耐摩擦剂为纳米无机粉体，如纳米碳酸钙、纳米硅酸钙、纳米二氧化硅、纳米黏土等。
本发明提供的抗静电聚碳酸酯薄膜可按以下方法制得：
(1)制作添加有碳纳米管的第一导电母粒：取聚碳酸酯基体材料和碳纳米管，碳纳米管的添加量为1～10％，其中还可加入润滑剂、抗氧剂等助剂，挤出造粒制得第一导电母粒；
(2)制作添加有碳纳米管的第二导电母粒：同步骤(1)
(3)制作添加有耐摩擦剂的耐磨母粒：取聚碳酸酯基体材料和耐摩擦剂，耐摩擦剂的添加量为1～5％，其中还可加入润滑剂、抗氧剂等助剂，挤出造粒制得耐磨母粒；
(4)聚碳酸酯基材母粒、第一导电母粒、第二导电母粒、耐磨母粒按照图1所示的上下层次顺序，多层共挤出制得。具体的，通过多台的挤出机分别使每种母粒熔融塑化后，注入同一模头中，然后经过进一步加工处理(吹塑、流延或双向拉伸)，制得多层复合抗静电聚碳酸酯薄膜。
本发明在基材的两面均设置导电层，可以消除聚碳酸酯膜两面的静电，在用于包装材料时更容易操作，可以防止静电累积导致的电击、放电等潜在危险，也可防止静电累积导致的污染、灰尘等。在聚碳酸酯膜的表面设置耐磨层，可以降低薄膜的耐摩擦系数，提高薄膜耐久性。
附图说明
图1本发明的抗静电聚碳酸酯薄膜的结构示意图。
图中，1-第一导电层；2-聚碳酸酯基层；3-第二导电层；4-耐磨层。
具体实施方式
下面以具体实施例来对本发明的技术方案做进一步说明，但本发明的保护内容不限于此。
实施例1
如图1所示，抗静电聚碳酸酯薄膜自下而上依次包括第一导电层1、聚碳酸酯基层2、第二导电层3、耐磨层4。
第一导电层1的厚度为10μm，表面电阻率为1×104Ω；聚碳酸酯基层2的厚度为100μm，第二导电层3的厚度为10μm，表面电阻率为1×104Ω；耐磨层4的厚度为10μm。
第一导电层1和第二导电层3各自为附着有碳纳米管的聚碳酸酯层；耐磨层4为附着有耐摩擦剂的聚碳酸酯层。
抗静电聚碳酸酯薄膜按以下方法制得：
(1)制作添加有碳纳米管的第一导电母粒：取聚碳酸酯基体材料和碳纳米管，碳纳米管的添加量为5％，其中还可加入润滑剂、抗氧剂等助剂，挤出造粒制得第一导电母粒；
(2)制作添加有碳纳米管的第二导电母粒：同步骤(1)
(3)制作添加有耐摩擦剂的耐磨母粒：取聚碳酸酯基体材料和耐摩擦剂，耐摩擦剂可选用纳米碳酸钙，耐摩擦剂的添加量为3％，其中还可加入润滑剂、抗氧剂等助剂，挤出造粒制得耐磨母粒；
(4)聚碳酸酯基材母粒、第一导电母粒、第二导电母粒、耐磨母粒按照图1所示的上下层次顺序，多层共挤出制得。具体的，通过多台的挤出机分别使每种母粒熔融塑化后，注入同一模头中，然后经过进一步加工处理(吹塑、流延或双向拉伸)，制得多层复合抗静电聚碳酸酯薄膜。
以上所述仅为本发明的优选实施例，凡跟本发明权利要求范围所做的均等变化和修饰，均应属于本发明权利要求的范围。

Claims (4)

1.一种抗静电聚碳酸酯薄膜，其特征在于所述抗静电聚碳酸酯薄膜自下而上依次包括第一导电层、聚碳酸酯基层、第二导电层、耐磨层，所述第一导电层和第二导电层各自为附着有碳纳米管的聚碳酸酯层；所述耐磨层为附着有耐摩擦剂的聚碳酸酯层。
2.如权利要求1所述的抗静电聚碳酸酯薄膜，其特征在于所述第一导电层、聚碳酸酯基层、第二导电层、耐磨层通过共挤出制得所述抗静电聚碳酸酯薄膜。
3.如权利要求1所述的抗静电聚碳酸酯薄膜，其特征在于所述第一导电层的厚度为1～100μm，聚碳酸酯基层的厚度为10～500μm，第二导电层的厚度为1～100μm，耐磨层的厚度为1～50μm。
4.如权利要求1所述的抗静电聚碳酸酯薄膜，其特征在于所述第一导电层和第二导电层的表面电阻率在103～106Ω。
CN201610514757.1A 2016-06-28 2016-06-28 一种抗静电聚碳酸酯薄膜 Pending CN106166880A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107225828A (zh) * 2017-05-19 2017-10-03 合肥市惠科精密模具有限公司 一种Micro LED屏抗静电聚碳酸酯薄膜及其制备工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101214722A (zh) * 2007-12-28 2008-07-09 四川大学 制备可设计层状聚合物基导电复合材料的方法
CN101318393A (zh) * 2008-07-08 2008-12-10 常州裕兴绝缘材料有限公司 抗静电厚型聚酯薄膜及其生产方法
CN102555375A (zh) * 2011-12-29 2012-07-11 四川大学 一种新型聚合物基电磁屏蔽薄膜或片材及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101214722A (zh) * 2007-12-28 2008-07-09 四川大学 制备可设计层状聚合物基导电复合材料的方法
CN101318393A (zh) * 2008-07-08 2008-12-10 常州裕兴绝缘材料有限公司 抗静电厚型聚酯薄膜及其生产方法
CN102555375A (zh) * 2011-12-29 2012-07-11 四川大学 一种新型聚合物基电磁屏蔽薄膜或片材及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107225828A (zh) * 2017-05-19 2017-10-03 合肥市惠科精密模具有限公司 一种Micro LED屏抗静电聚碳酸酯薄膜及其制备工艺

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