CN108641618A - 一种绝缘胶布 - Google Patents

一种绝缘胶布 Download PDF

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CN108641618A
CN108641618A CN201810419951.0A CN201810419951A CN108641618A CN 108641618 A CN108641618 A CN 108641618A CN 201810419951 A CN201810419951 A CN 201810419951A CN 108641618 A CN108641618 A CN 108641618A
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唐千军
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Ningguo Thousand Hong Electronics Co Ltd
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Abstract

本发明公开了一种绝缘胶布,涉及绝缘材料领域,基于现有的聚氯乙烯绝缘胶布有毒且易造成环境污染的问题而提出的。本发明包括基层、加强层、粘胶层,基层和粘胶层之间粘附有加强层,基层主要是由玻璃纤维、陶瓷纤维、聚酯纤维制成的网格层;粘结层主要由聚乙酸乙烯酯、聚乙烯醇、硼砂、淀粉、甘油、水制成。本发明的有益效果在于:无毒无害、无环境污染,且价格低廉,绝缘性好、耐热性强。

Description

一种绝缘胶布
技术领域
本发明涉及绝缘材料领域,具体涉及一种绝缘胶布。
背景技术
绝缘胶布,又称绝缘胶带,简称黑胶布,广泛应用于包裹电气设备或电线,如马达引线、消磁线圈、电容器、变压器、电话线、线卡以及各种电缆接头,主要包括聚氯乙烯类和聚烯烃类绝缘胶布。绝缘胶带需要耐受恶劣的环境,如潮湿、高温、高压、强电场等。
聚氯乙烯因其优良的柔韧性和从形性,且价格低廉,而成为绝缘胶带最常用的一种基材,现有的绝缘胶布一般是在聚氯乙烯材质的基膜上喷涂胶料的方式进行生产,但生产出来的绝缘胶布热稳定性较差、绝缘材料厚度较厚,在使用过程中会发生热降解、变色等现象,且为了增加聚氯乙烯绝缘胶带的稳定性,在制造聚氯乙烯绝缘胶带过程中会加入某些重金属,如硫酸、亚磷酸铅、邻苯二甲酸铅等金属化合物,会导致环境污染、影响人的健康。
发明内容
本发明解决的技术问题在于现有的聚氯乙烯绝缘胶布有毒且易造成环境污染。
本发明是采用以下技术方案解决上述技术问题的:
一种绝缘胶布,包括基层、加强层、粘胶层,所述基层和粘胶层之间粘附有加强层,所述基层主要是由玻璃纤维、陶瓷纤维、聚酯纤维制成的网格层;所述的粘胶层主要由含有聚乙酸乙烯酯、聚乙烯醇、硼砂、淀粉、甘油的水性粘液制成。
优选的,所述粘胶层主要由以下重量分数的原料制成:聚乙酸乙烯酯25-35份、聚乙烯醇18-20份、硼砂0.5-1份、淀粉5-10份、甘油1-2份、水10-20份。
优选的,所述粘胶层的制备方法为:于5-10份淀粉中加入10-20份水进行预糊化后,加入25-35份聚乙酸乙烯酯、18-20份聚乙烯醇、0.5-1份硼砂、1-2份甘油进行接枝共聚反应。
优选的,所述淀粉的预糊化温度为70-75℃,所述预糊化时间为20-25min,所述接枝共聚反应时间为2-4h。
优选的,所述淀粉为玉米淀粉、小麦淀粉、马铃薯淀粉、绿豆淀粉中的一种或几种。
优选的,所述加强层为聚对苯二甲酸乙二醇酯层。
优选的,所述基层主要由以下重量分数的原料制成:玻璃纤维65-70份、陶瓷纤维20-25份、聚酯纤维5-15份。
优选的,所述玻璃纤维由玻璃纤维单丝制成,所述玻璃纤维单丝的直径为10-12μm。
优选的,所述陶瓷纤维由陶瓷纤维单丝制成,所述陶瓷纤维单丝的直径为2-4μm。
优选的,所述基层厚度为0.5-1.5mm,加强层厚度为10-20μm,粘胶层厚度0.1-0.2为mm。
本发明的有益效果在于:水性胶聚乙酸乙烯酯无毒无害、无环境污染,且价格低廉,采用玻璃纤维、陶瓷纤维、聚酯纤维制备的基层,绝缘性好、耐热性强,机械强度高使绝缘胶带具有耐磨性,陶瓷纤维耐高温、热稳定性好、导热率低;通过在基层和粘胶层之间设置加强层,够有效抵抗坚硬物体的穿刺和刮碰。
附图说明
图1为本发明实施例一种绝缘胶布的结构示意图。
图中:1-基层;2-加强层;3-粘胶层。
具体实施方式
为使对本发明的结构特征及所达成的功效有更进一步的了解与认识,用以较佳的实施例对本发明进行详细的说明。
实施例1
如图1所示,一种绝缘胶布,包括基层1、加强层2、粘胶层3,基层1和粘胶层3之间粘附有加强层2,基层1主要是由65份玻璃纤维、20份陶瓷纤维、5份聚酯纤维制成的网格层,粘胶层3主要是由25份聚乙酸乙烯酯、18份聚乙烯醇、0.5份硼砂、5份玉米淀粉、1份甘油和10份水制成,制备方法为于5份玉米淀粉中加入10份水进行预糊化,预糊化温度为70℃,预糊化时间为20min,加入25份聚乙酸乙烯酯、18份聚乙烯醇、0.5份硼砂、1份甘油进行接枝共聚反应,反应时间为2h。
加强层2为聚对苯二甲酸乙二醇酯层,硼砂使玉米淀粉胶化时产生适当的粘性和韧性,甘油为稳定剂。
玻璃纤维由直径为10μm的玻璃纤维单丝制成,陶瓷纤维由直径为2μm,陶瓷纤维单丝制成,基层1厚度为0.5mm,加强层2厚度为10μm,粘胶层3厚度为0.1mm。
实施例2
本实施例的绝缘胶布结构同实施例1,区别之处在于:基层1主要是由68份玻璃纤维、22份陶瓷纤维、10份聚酯纤维制成的网格层,粘胶层3主要是由30份聚乙酸乙烯酯、19份聚乙烯醇、0.75份硼砂、2份马铃薯淀粉、5份小麦淀粉、1.5份甘油和15份水制成,制备方法为于2份马铃薯淀粉、5份小麦淀粉中加入15份水进行预糊化,预糊化温度为72℃,预糊化时间为22min,加入30份聚乙酸乙烯酯、19份聚乙烯醇、0.75份硼砂、1.5份甘油进行接枝共聚反应,反应时间为3h。
玻璃纤维由直径为11μm的玻璃纤维单丝制成,陶瓷纤维由直径为3μm,陶瓷纤维单丝制成,基层1厚度为1mm,加强层2厚度为15μm,粘胶层3厚度为0.15mm。
实施例3
本实施例的绝缘胶布结构同实施例1,区别之处在于:基层1主要是由70份玻璃纤维、25份陶瓷纤维、15份聚酯纤维制成的网格层,粘胶层3主要是由35份聚乙酸乙烯酯、20份聚乙烯醇、1份硼砂、3份小麦淀粉、7份绿豆淀粉、2份甘油和20份水制成,制备方法为于3份小麦淀粉、7份绿豆淀粉中加入20份水中进行预糊化,预糊化温度为75℃,预糊化时间为25min,加入35份聚乙酸乙烯酯、20份聚乙烯醇、1份硼砂、2份甘油进行接枝共聚反应。
玻璃纤维由直径为12μm的玻璃纤维单丝制成,陶瓷纤维由直径为4μm,陶瓷纤维单丝制成,基层1厚度为1.5mm,加强层2厚度为20μm,粘胶层3厚度为0.2mm。
以上仅是本发明的优选实施方式,本发明的保护范围并不仅限于上述实施例,与本发明构思无差异的各种工艺方案均在本发明的保护范围内。

Claims (10)

1.一种绝缘胶布,其特征在于:包括依次层叠的基层、加强层、粘胶层,所述基层主要是由玻璃纤维、陶瓷纤维、聚酯纤维制成的网格层;所述的粘胶层主要由聚乙酸乙烯酯、聚乙烯醇、硼砂、淀粉、甘油、水制成。
2.根据权利要求1所述的绝缘胶布,其特征在于:所述粘胶层主要由以下重量分数的原料制成:聚乙酸乙烯酯25-35份、聚乙烯醇18-20份、硼砂0.5-1份、淀粉5-10份、甘油1-2份、水10-20份。
3.根据权利要求2所述的绝缘胶布,其特征在于:所述粘胶层的制备方法为:于5-10份淀粉中加入10-20份水进行预糊化后,加入25-35份聚乙酸乙烯酯、18-20份聚乙烯醇、0.5-1份硼砂、1-2份甘油进行接枝共聚反应。
4.根据权利要求3所述的绝缘胶布,其特征在于:所述淀粉的预糊化温度为70-75℃,所述预糊化时间为20-25min,所述接枝共聚反应时间为2-4h。
5.根据权利要求1至4中任一项所述的绝缘胶布,其特征在于:所述淀粉为玉米淀粉、小麦淀粉、马铃薯淀粉、绿豆淀粉中的一种或几种。
6.根据权利要求1所述的绝缘胶布,其特征在于:所述加强层为聚对苯二甲酸乙二醇酯层。
7.根据权利要求1所述的绝缘胶布,其特征在于:所述基层主要由以下重量分数的原料制成:玻璃纤维65-70份、陶瓷纤维20-25份、聚酯纤维5-15份。
8.根据权利要求1所述的绝缘胶布,其特征在于:所述玻璃纤维由玻璃纤维单丝制成,所述玻璃纤维单丝的直径为10-12μm。
9.根据权利要求1所述的绝缘胶布,其特征在于:所述陶瓷纤维由陶瓷纤维单丝制成,所述陶瓷纤维单丝的直径为2-4μm。
10.根据权利要求1所述的绝缘胶布,其特征在于:所述基层厚度为0.5-1.5mm,加强层厚度为10-20μm,粘胶层厚度为0.1-0.2mm。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021047400A1 (zh) * 2019-09-11 2021-03-18 钟友妹 可降解无塑化胶带

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CN101402835A (zh) * 2008-01-25 2009-04-08 盐城华贸包装有限公司 一种纸制品包装白乳胶粘合剂及其制备方法
CN202610166U (zh) * 2012-04-17 2012-12-19 江苏永佳电子材料有限公司 一种加强型无机非金属复合抗断胶带
CN203545932U (zh) * 2013-09-26 2014-04-16 上海佳隆纤维胶带有限公司 玻璃纤维双面胶带
CN104194671A (zh) * 2014-08-25 2014-12-10 海南金海浆纸业有限公司 一种胶黏剂及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101402835A (zh) * 2008-01-25 2009-04-08 盐城华贸包装有限公司 一种纸制品包装白乳胶粘合剂及其制备方法
CN202610166U (zh) * 2012-04-17 2012-12-19 江苏永佳电子材料有限公司 一种加强型无机非金属复合抗断胶带
CN203545932U (zh) * 2013-09-26 2014-04-16 上海佳隆纤维胶带有限公司 玻璃纤维双面胶带
CN104194671A (zh) * 2014-08-25 2014-12-10 海南金海浆纸业有限公司 一种胶黏剂及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021047400A1 (zh) * 2019-09-11 2021-03-18 钟友妹 可降解无塑化胶带

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Application publication date: 20181012