CN105563981A - 一种用于地热膜封装的复合膜及其制备方法 - Google Patents

一种用于地热膜封装的复合膜及其制备方法 Download PDF

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CN105563981A
CN105563981A CN201610047283.4A CN201610047283A CN105563981A CN 105563981 A CN105563981 A CN 105563981A CN 201610047283 A CN201610047283 A CN 201610047283A CN 105563981 A CN105563981 A CN 105563981A
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film
eva
geothermal
polyolefin
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蒋剑春
田志峰
王军林
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YIXING WON FILM Co Ltd
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    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/16Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B43/00Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
    • B32B43/003Cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2250/246All polymers belonging to those covered by groups B32B27/32 and B32B27/30
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0008Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation

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Abstract

本发明提供了一种用于地热膜封装的复合膜及其制备方法,该复合膜由EVA/聚烯烃薄膜与PET基材膜进行贴压复合而成;所述的EVA/聚烯烃薄膜由EVA树脂、聚烯烃树脂和抗老化剂混合而成,其中EVA树脂和聚烯烃树脂的质量比为1~4:1,抗老化剂的质量为EVA树脂的0.1~2%。本发明改善了原有地热膜的剥离强度,提高了耐老化性能,选取聚烯烃材料作为改性材料,具有高强度、高韧性、高电绝缘、高耐化学腐蚀等优异的综合性能,提升了地热膜封装膜的熔点,在后期使用中不易出现气泡、脱层等情况。

Description

一种用于地热膜封装的复合膜及其制备方法
技术领域
本发明涉及复合薄膜领域,具体是一种用于地热膜封装的复合膜及其制备方法。
背景技术
地热膜供暖是当今世界上先进的供暖方式之一,它是以电力为能源,通过红外线辐射进行传热,即节能环保又低碳减排的高科技产品。是人类社会发展到目前为止,在诸多采暖产品中最为舒适、健康的采暖方法。地热膜供暖系统有环保、节能、节材、省钱、安全等优势。
目前,地热膜封装膜多为聚酯薄膜与普通热熔胶复合而成,存在剥离强度低,易脱层,熔点低,易老化,使用过程中出现气泡等问题。以上情况导致地热膜使用寿命大大降低,不但增加了使用成本,而且存在一定的安全隐患。在此基础上需要开发一种剥离强度高,熔点高,不易老化脱层的新型地热膜封装膜。
发明内容
本发明为了解决现有技术的问题,提供了一种用于地热膜封装的复合膜及其制备方法,加工工艺简单,成本低,粘结效果好,高熔点,耐老化且安全环保。
本发明由EVA/聚烯烃薄膜与PET基材膜进行贴压复合而成,所述的EVA/聚烯烃薄膜由EVA树脂、聚烯烃树脂和抗老化剂混合而成,其中EVA树脂和聚烯烃树脂的质量比为1~4:1,抗老化剂的质量为EVA树脂的0.1~2%。
所述的PET基材膜厚度为50μm~150μm;EVA/聚烯烃薄膜厚度为50μm~150μm。
所述的聚烯烃树脂为聚氯乙烯、聚乙烯、聚丙烯、聚苯乙烯中的一种或几种。
所述的抗老化剂为无机抗老化剂或有机抗老化剂。
所述的无机抗老化剂为滑石粉、碳酸钙、二氧化钛、炭黑中的一种或几种,所述的有机抗老化剂为水杨酸酯类、苯酮类、苯并三唑类、取代丙烯腈类中的一种或几种。
地热膜封装的复合膜的制备方法,包括以下步骤:
1)将EVA树脂、聚烯烃树脂以质量比1~4:1混合,添加EVA树脂质量0.1~2%的抗老化剂,经高速混料机混合均匀,再通过挤出机熔融挤出得到EVA/聚烯烃树脂薄膜;
2)将PET基材膜进行低温等离子电晕表面处理;
3)将步骤1)所得到的EVA/聚烯烃薄膜与步骤2)经电晕表面处理的PET基材膜进行贴压复合;
4)切边收卷,得到两层结构的复合薄膜。
本发明有益效果在于:改善了原有地热膜的剥离强度,提高了耐老化性能,选取聚烯烃材料作为改性材料,具有高强度、高韧性、高电绝缘、高耐化学腐蚀等优异的综合性能,提升了地热膜封装膜的熔点,在后期使用中不易出现气泡、脱层等情况。
具体实施方式
下面结合具体实施方式对本发明做进一步说明。
实施例1
本发明由EVA/聚烯烃薄膜与PET基材膜进行贴压复合而成,所述的EVA/聚烯烃薄膜由EVA树脂、聚氯乙烯和滑石粉混合而成,其中EVA树脂和聚氯乙烯的质量比为1:1,滑石粉的质量为EVA树脂的0.1%。
所述的PET基材膜厚度为50μm;EVA/聚烯烃薄膜厚度为150μm。
地热膜封装的复合膜的制备方法,包括以下步骤:
1)将EVA树脂、聚氯乙烯以质量比1:1混合,添加EVA树脂质量0.1%的滑石粉,经高速混料机混合均匀,再通过挤出机熔融挤出得到EVA/聚烯烃树脂薄膜;
2)将PET基材膜进行低温等离子电晕表面处理;
3)将步骤1)所得到的EVA/聚烯烃薄膜与步骤2)经电晕表面处理的PET基材膜进行贴压复合;
4)切边收卷,得到两层结构的复合薄膜。
实施例2
本发明由EVA/聚烯烃薄膜与PET基材膜进行贴压复合而成,所述的EVA/聚烯烃薄膜由EVA树脂、聚丙烯和二氧化钛混合而成,其中EVA树脂和聚丙烯的质量比为2:1,二氧化钛的质量为EVA树脂的1%。
所述的PET基材膜厚度为75μm;EVA/聚烯烃薄膜厚度为75μm。
地热膜封装的复合膜的制备方法,包括以下步骤:
1)将EVA树脂、聚丙烯以质量比1:1混合,添加EVA树脂质量1%的二氧化钛,经高速混料机混合均匀,再通过挤出机熔融挤出得到EVA/聚烯烃树脂薄膜;
2)将PET基材膜进行低温等离子电晕表面处理;
3)将步骤1)所得到的EVA/聚烯烃薄膜与步骤2)经电晕表面处理的PET基材膜进行贴压复合;
4)切边收卷,得到两层结构的复合薄膜。
实施例3
本发明由EVA/聚烯烃薄膜与PET基材膜进行贴压复合而成,所述的EVA/聚烯烃薄膜由EVA树脂、聚苯乙烯和取代丙烯腈类混合而成,其中EVA树脂和聚苯乙烯的质量比为4:1,取代丙烯腈类的质量为EVA树脂的2%。
所述的PET基材膜厚度为150μm;EVA/聚烯烃薄膜厚度为50μm。
地热膜封装的复合膜的制备方法,包括以下步骤:
1)将EVA树脂、聚苯乙烯以质量比4:1混合,添加EVA树脂质量2%的取代丙烯腈类,经高速混料机混合均匀,再通过挤出机熔融挤出得到EVA/聚烯烃树脂薄膜;
2)将PET基材膜进行低温等离子电晕表面处理;
3)将步骤1)所得到的EVA/聚烯烃薄膜与步骤2)经电晕表面处理的PET基材膜进行贴压复合;
4)切边收卷,得到两层结构的复合薄膜。
本发明具体应用途径很多,以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进,这些改进也应视为本发明的保护范围。

Claims (6)

1.一种用于地热膜封装的复合膜,其特征在于:该复合膜由EVA/聚烯烃薄膜与PET基材膜进行贴压复合而成;所述的EVA/聚烯烃薄膜由EVA树脂、聚烯烃树脂和抗老化剂混合而成,其中EVA树脂和聚烯烃树脂的质量比为1~4:1,抗老化剂的质量为EVA树脂的0.1~2%。
2.根据权利要求1所述的用于地热膜封装的复合膜,其特征在于:所述的PET基材膜厚度为50μm~150μm;EVA/聚烯烃薄膜厚度为50μm~150μm。
3.根据权利要求1所述的用于地热膜封装的复合膜,其特征在于:所述的聚烯烃树脂为聚氯乙烯、聚乙烯、聚丙烯、聚苯乙烯中的一种或几种。
4.根据权利要求1所述的用于地热膜封装的复合膜,其特征在于:所述的抗老化剂为无机抗老化剂或有机抗老化剂。
5.根据权利要求4所述的用于地热膜封装的复合膜,其特征在于:所述的无机抗老化剂为滑石粉、碳酸钙、二氧化钛、炭黑中的一种或几种,所述的有机抗老化剂为水杨酸酯类、苯酮类、苯并三唑类、取代丙烯腈类中的一种或几种。
6.一种权利要求1至5任意一项权利要求所述的地热膜封装的复合膜的制备方法,其特征在于包括以下步骤:
1)将EVA树脂、聚烯烃树脂以质量比1~4:1混合,添加EVA树脂质量0.1~2%的抗老化剂,经高速混料机混合均匀,再通过挤出机熔融挤出得到EVA/聚烯烃树脂薄膜;
2)将PET基材膜进行低温等离子电晕表面处理;
3)将步骤1)所得到的EVA/聚烯烃薄膜与步骤2)经电晕表面处理的PET基材膜进行贴压复合;
4)切边收卷,得到两层结构的复合薄膜。
CN201610047283.4A 2016-01-25 2016-01-25 一种用于地热膜封装的复合膜及其制备方法 Pending CN105563981A (zh)

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Application publication date: 20160511