CN105585971A - 一种耐酸碱腐蚀的电气用胶带及其制备方法 - Google Patents

一种耐酸碱腐蚀的电气用胶带及其制备方法 Download PDF

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CN105585971A
CN105585971A CN201610149097.1A CN201610149097A CN105585971A CN 105585971 A CN105585971 A CN 105585971A CN 201610149097 A CN201610149097 A CN 201610149097A CN 105585971 A CN105585971 A CN 105585971A
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孙政良
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SUZHOU JIN TENG ELECTRONIC TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种耐酸碱腐蚀的电气用胶带及其制备方法,该胶带由基层和黏胶层组成,其中黏胶层由以下重量份的组分制成:高苯乙烯橡胶35-40份、聚丙烯酸酯橡胶35-40份、苯乙烯丁二烯共聚物25-35份、水杨酸苄酯20-25份、六亚甲基二异氰酸酯20-25份、邻苯二甲酸二辛酯20-25份、聚酰亚胺15-25份、活性炭10-15份、硫酸铜8-10份、沸石粉8-10份、蒽油2-5份、增塑剂2-5份、抗氧化剂1-3份,从而能够使制备而成的绝缘胶带具有良好的耐腐蚀性。同时,本发明还公开了上述电气用胶带的制备方法。

Description

一种耐酸碱腐蚀的电气用胶带及其制备方法
技术领域
本发明涉及电气防护材料技术领域,特别涉及一种具有较高耐酸碱腐蚀性的电气用胶带及其制备方法。
背景技术
电气用胶带指电工使用的用于防止漏电,起绝缘作用的绝缘胶带,又称绝缘胶布,胶布带,由基层和黏胶层组成。基层一般采用棉布、合成纤维织物和塑料薄膜等,胶层由橡胶加增黏树脂等配合剂制成,黏性好,绝缘性能优良。绝缘胶带具有良好的绝缘耐压、耐候、阻燃等特性,适用于电线接驳、电气绝缘防护等特点,广泛用于在较低电压下使用的导线的包扎、接头、绝缘密封等电工作业。
然而,随着现代社会生态环境的恶化,降雨、空气中存在着越来越多的酸、碱类有害成分,对长期暴露在环境条件下的胶带产生了较强的腐蚀作用,一般的胶带其耐腐蚀性已不能满足需要。因此,开发一种具有高耐腐蚀性的电气用胶带就显得尤为必要。
发明内容
为解决上述技术问题,本发明提供一种耐酸碱腐蚀的电气用胶带,采用具有特定组分制备成的黏胶层,与基层通过粘合剂制成绝缘胶带,其在恶劣环境下具有良好的耐腐蚀性能。
本发明的目的可以通过以下技术方案实现:
一种耐酸碱腐蚀的电气用胶带,由基层和黏胶层组成,所述黏胶层由以下重量份的组分制成:高苯乙烯橡胶35-40份、聚丙烯酸酯橡胶35-40份、苯乙烯丁二烯共聚物25-35份、水杨酸苄酯20-25份、六亚甲基二异氰酸酯20-25份、邻苯二甲酸二辛酯20-25份、聚酰亚胺15-25份、活性炭10-15份、硫酸铜8-10份、沸石粉8-10份、蒽油2-5份、增塑剂2-5份、抗氧化剂1-3份。
所述的聚酰亚胺为加聚型聚酰亚胺,其抗张强度大于200MPa。
所述的增塑剂选自邻苯二甲酸二丁酯、邻苯二甲酸二异丁酯、邻苯二甲酸二甲酯、邻苯二甲酸二乙酯中的一种或几种。
所述的抗氧化剂选自二硫代氨基甲酸盐、焦亚硫酸钠、2,6-二叔丁基对甲酚中的一种或几种。
所述的耐酸碱腐蚀的电气用胶带的制备方法,包括以下步骤:
(1)制备基层;
(2)制备黏胶层:将配方量的高苯乙烯橡胶、聚丙烯酸酯橡胶、苯乙烯丁二烯共聚物、水杨酸苄酯、六亚甲基二异氰酸酯、邻苯二甲酸二辛酯、聚酰亚胺加入双辊混炼机中进行混炼,再加入活性炭、硫酸铜、沸石粉、蒽油、增塑剂、抗氧化剂后投入打胶机中打胶,得到黏胶层。
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述绝缘胶带。
所述步骤(2)中,双棍混炼机的辊筒间隙为0~3mm,辊筒硬度为55-60RHC。
所述步骤(3)中,烘干采用烘干机进行,烘干温度为80-90℃,烘干时间为25-30min。
本发明与现有技术相比,其有益效果为:
(1)本发明得到的绝缘胶带的黏胶层以高苯乙烯橡胶、聚丙烯酸酯橡胶为主要成分,通过加入苯乙烯丁二烯共聚物、水杨酸苄酯、六亚甲基二异氰酸酯、邻苯二甲酸二辛酯、聚酰亚胺、活性炭、硫酸铜、沸石粉、蒽油、增塑剂、抗氧化剂,辅以混炼、打胶、粘结等工艺,使得制备而成的绝缘胶带具有较高的耐腐蚀性能,特别适合于在恶略环境下使用。
(2)本发明通过用特定浓度的异丙醇溶液对基层粘结面进行清洗,使得后续的粘合过程更易实现,所得到的复合层更为紧密,增强了绝缘胶带的使用寿命。
(3)本发明的绝缘胶带,其材料经济,制备工艺简单,适于大规模工业化生产。
具体实施方式
下面结合具体实施例对发明的技术方案进行详细说明。
实施例1
(1)以聚丙烯为原料按常规工艺制备基层;
(2)制备黏胶层:按照重量份将高苯乙烯橡胶35份、聚丙烯酸酯橡胶35份、苯乙烯丁二烯共聚物25份、水杨酸苄酯20份、六亚甲基二异氰酸酯20份、邻苯二甲酸二辛酯20份、聚酰亚胺15份、活性炭10份、硫酸铜8份、沸石粉8份、蒽油2份、邻苯二甲酸二丁酯2份、二硫代氨基甲酸盐1份投入打胶机中打胶,得到黏胶层。
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述电气用胶带。
制得的电气用胶带的耐腐蚀性能测试结果如表1所示。
实施例2
(1)以聚丙烯为原料按常规工艺制备基层;
(2)制备黏胶层:按照重量份将高苯乙烯橡胶37份、聚丙烯酸酯橡胶37份、苯乙烯丁二烯共聚物30份、水杨酸苄酯22份、六亚甲基二异氰酸酯22份、邻苯二甲酸二辛酯22份、聚酰亚胺20份、活性炭12份、硫酸铜9份、沸石粉9份、蒽油3份、邻苯二甲酸二异丁酯3份、焦亚硫酸钠2份投入打胶机中打胶,得到黏胶层。
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述电气用胶带。
制得的电气用胶带的耐腐蚀性能测试结果如表1所示。
实施例3
(1)以聚丙烯为原料按常规工艺制备基层;
(2)制备黏胶层:按照重量份将高苯乙烯橡胶40份、聚丙烯酸酯橡胶40份、苯乙烯丁二烯共聚物35份、水杨酸苄酯25份、六亚甲基二异氰酸酯25份、邻苯二甲酸二辛酯25份、聚酰亚胺25份、活性炭15份、硫酸铜10份、沸石粉10份、蒽油5份、邻苯二甲酸二甲酯5份、2,6-二叔丁基对甲酚3份投入打胶机中打胶,得到黏胶层。
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述电气用胶带。
制得的电气用胶带的耐腐蚀性能测试结果如表1所示。
实施例4
(1)以聚丙烯为原料按常规工艺制备基层;
(2)制备黏胶层:按照重量份将高苯乙烯橡胶35份、聚丙烯酸酯橡胶40份、苯乙烯丁二烯共聚物25份、水杨酸苄酯25份、六亚甲基二异氰酸酯20份、邻苯二甲酸二辛酯20份、聚酰亚胺25份、活性炭10份、硫酸铜10份、沸石粉8份、蒽油2份、邻苯二甲酸二乙酯2份、焦亚硫酸钠3份投入打胶机中打胶,得到黏胶层。
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述电气用胶带。
制得的电气用胶带的耐腐蚀性能测试结果如表1所示。
对比例1
(1)以聚丙烯为原料按常规工艺制备基层;
(2)制备黏胶层:按照重量份将高苯乙烯橡胶35份、苯乙烯丁二烯共聚物25份、六亚甲基二异氰酸酯20份、邻苯二甲酸二辛酯20份、聚酰亚胺15份、活性炭10份、硫酸铜8份、沸石粉8份、蒽油2份、邻苯二甲酸二丁酯2份、二硫代氨基甲酸盐1份投入打胶机中打胶,得到黏胶层投入打胶机中打胶,得到黏胶层。
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述电气用胶带。
制得的电气用胶带的耐腐蚀性能测试结果如表1所示。
对比例2
(1)以聚丙烯为原料按常规工艺制备基层;
(2)制备黏胶层:按照重量份将聚丙烯酸酯橡胶40份、苯乙烯丁二烯共聚物35份、水杨酸苄酯25份、六亚甲基二异氰酸酯25份、邻苯二甲酸二辛酯25份、活性炭15份、硫酸铜10份、沸石粉10份、蒽油5份、邻苯二甲酸二甲酯5份、2,6-二叔丁基对甲酚3份投入打胶机中打胶,得到黏胶层。
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述电气用胶带。
制得的电气用胶带的耐腐蚀性能测试结果如表1所示。
将实施例1-4和对比例1-2的电气用胶带测试其耐腐蚀性能。
表1
在pH=7的中性溶液中处理12小时后的拉伸强度(MPa) 在pH=3的酸性溶液中处理12小时后的拉伸强度(MPa) 在pH=10的碱性溶液中处理12小时后的拉伸强度(MPa)
实施例1 215 175 162
实施例2 209 169 155
实施例3 213 173 160
实施例4 221 177 165
对比例1 198 87 76
对比例2 207 91 82
本发明以高苯乙烯橡胶、聚丙烯酸酯橡胶、苯乙烯丁二烯共聚物、水杨酸苄酯、六亚甲基二异氰酸酯、邻苯二甲酸二辛酯、聚酰亚胺、活性炭、硫酸铜、沸石粉、蒽油、增塑剂、抗氧化剂为原料所制备的黏胶层,进而制备成的电气用胶带经试验测定,在高酸碱条件下相比于其他材料具有更好的耐腐蚀性能,其特别适合于在恶劣环境下应用,具有更好的安全性能。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (7)

1.一种耐酸碱腐蚀的电气用胶带,由基层和黏胶层组成,其特征在于,所述黏胶层由以下重量份的组分制成:高苯乙烯橡胶35-40份、聚丙烯酸酯橡胶35-40份、苯乙烯丁二烯共聚物25-35份、水杨酸苄酯20-25份、六亚甲基二异氰酸酯20-25份、邻苯二甲酸二辛酯20-25份、聚酰亚胺15-25份、活性炭10-15份、硫酸铜8-10份、沸石粉8-10份、蒽油2-5份、增塑剂2-5份、抗氧化剂1-3份。
2.根据权利要求1所述的一种耐酸碱腐蚀的电气用胶带,其特征在于,所述的聚酰亚胺为加聚型聚酰亚胺,其抗张强度大于200MPa。
3.根据权利要求1所述的一种耐酸碱腐蚀的电气用胶带,其特征在于,所述的增塑剂选自邻苯二甲酸二丁酯、邻苯二甲酸二异丁酯、邻苯二甲酸二甲酯、邻苯二甲酸二乙酯中的一种或几种。
4.根据权利要求1所述的一种耐酸碱腐蚀的电气用胶带,其特征在于,所述的抗氧化剂选自二硫代氨基甲酸盐、焦亚硫酸钠、2,6-二叔丁基对甲酚中的一种或几种。
5.根据权利要求1~4任一所述的一种耐酸碱腐蚀的电气用胶带的制备方法,其特征在于,包括以下步骤:
(1)制备基层;
(2)制备黏胶层:将配方量的高苯乙烯橡胶、聚丙烯酸酯橡胶、苯乙烯丁二烯共聚物、水杨酸苄酯、六亚甲基二异氰酸酯、邻苯二甲酸二辛酯、聚酰亚胺加入双辊混炼机中进行混炼,再加入活性炭、硫酸铜、沸石粉、蒽油、增塑剂、抗氧化剂后投入打胶机中打胶,得到黏胶层;
(3)将基层的粘结面首先用浓度为35%的异丙醇溶液清洗,随后用胶刷将聚氨酯型粘合剂均匀涂覆在粘结面上,经烘干处理后,再将黏胶层附着于粘结面,得到复合层;
(4)将得到的复合层进行分切,制成所述绝缘胶带。
6.根据权利要求5所述的耐酸碱腐蚀的电气用胶带的制备方法,其特征在于,所述步骤(2)中,双棍混炼机的辊筒间隙为0~3mm,辊筒硬度为55-60RHC。
7.根据权利要求5所述的耐酸碱腐蚀的电气用胶带的制备方法,其特征在于,所述步骤(3)中,烘干采用烘干机进行,烘干温度为80-90℃,烘干时间为25-30min。
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CN107746683A (zh) * 2017-11-07 2018-03-02 张永宏 一种耐酸碱胶带
CN113150704A (zh) * 2021-04-29 2021-07-23 广东硕成科技有限公司 一种稳定性好的抗酸膜及其制备方法

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CN103333627A (zh) * 2013-07-22 2013-10-02 佛山市顺德区永创翔亿电子材料有限公司 镍氢电池专用极耳绝缘胶粘带及其生产方法

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CN103333627A (zh) * 2013-07-22 2013-10-02 佛山市顺德区永创翔亿电子材料有限公司 镍氢电池专用极耳绝缘胶粘带及其生产方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107746683A (zh) * 2017-11-07 2018-03-02 张永宏 一种耐酸碱胶带
CN113150704A (zh) * 2021-04-29 2021-07-23 广东硕成科技有限公司 一种稳定性好的抗酸膜及其制备方法

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