CN106905874A - 一种pet茶色高温胶带 - Google Patents
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Abstract
本发明公开了一种PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,所述基材为改性的PET薄膜,由PET与聚二甲基硅氧烷树胶按重量比4:6混合制成,所述胶水的配方按重量百分比为:聚二甲基硅氧烷树胶20~30%、硅酮树脂20~30%、二甲苯20~30%、阻燃粉10~20%,所述聚二甲基硅氧烷树胶的固体含量为60%。本发明由于采用改性的PET薄膜与以聚二甲基硅氧烷为主要原料的胶水的配合,并经高温烘烤后,可满足高温操作的要求,在180℃条件下无残胶,粘着力为6~7N,拉伸强度为500~600N,断裂伸长率为65~70%,并且制备成本低于聚酰亚胺胶带。
Description
技术领域
本发明涉及胶带制造领域,特别涉及一种PET茶色高温胶带。
背景技术
胶带是指在基材薄膜表面涂抹一层粘着剂,从而令令胶带粘住物品,最早的粘着剂来自动物和植物,在十九世纪,橡胶是粘着剂的主要成份,随着各行业的发展,目前的胶带则广泛使用各种聚合物。其中,聚酰亚胺胶带是目前最常用、消耗量最大的胶带,其以聚酰亚胺薄膜为基材,采用进口有机硅压敏胶粘剂,具有耐高低温、耐酸碱、耐溶剂、电气绝缘(H级)、防辐射等性能,适用于电子线路板波峰焊锡遮蔽、保护金手指和高档电器绝缘、马达绝缘,以及锂电池正负极耳固定。而随着各行业的发展,胶带的用量也越来越大,而对于胶带的要求也越来越高,而聚酰亚胺胶带一方面由于耐高温性能差,无法适用于温度大于180℃的环境,如电池、电机以及电子变压器等行业,另一方面使用聚酰亚胺胶带成本高。
因此,亟需一种能够降低成本,并且能够满足耐高温要求的胶带。
发明内容
本发明要解决的技术问题是提供一种PET茶色高温胶带,该胶带比聚酰亚胺胶带成本低,并且比聚酰亚胺胶带的耐热性强,
为了解决上述技术问题,本发明的技术方案为一种PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,其中基材为改性的PET薄膜,薄膜由PET与聚二甲基硅氧烷树胶按重量比4:6混合制得,而胶水的配方按重量百分比如下:
其中,聚二甲基硅氧烷树胶的固体含量为60%。
优选地,阻燃粉选自三氧化二锑、磷酸三甲苯酯、亚磷酸三苯酯、甲基膦酸二甲酯、聚磷酸铵中的一种。
一种PET茶色高温胶带,其制备方法为:
将二甲基聚二甲基硅氧烷树胶氧烷树胶、普通树脂、二甲苯以及普通阻燃粉进行混合,搅拌均匀后得到涂布胶水,利用涂布机把涂布胶水涂于改性的PET薄膜表面,涂好胶水后的PET薄膜放入烤箱,在180℃条件下烘烤120s,后取出放置至室温,经模切机裁切,形成胶带成品。
本发明由于采用改性的PET薄膜与以聚二甲基硅氧烷为主要原料的胶水的配合,并经高温烘烤后,可满足高温操作的要求,在180℃条件下无残胶,粘着力为6~7N,拉伸强度为500~600N,断裂伸长率为65~70%,并且制备成本低于聚酰亚胺胶带。
具体实施方式
下面对本发明的具体实施方式作进一步说明。在此需要说明的是,对于这些实施方式的说明用于帮助理解本发明,但并不构成对本发明的限定。此外,下面所描述的本发明各个实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互组合。
下述实施例中的基材均采用改性的PET薄膜,该薄膜的配方为PET(聚对苯二甲酸乙二醇酯)与聚二甲基硅氧烷树胶按重量比4:6进行混合并经常规方法,如压延法、流延法、吹塑法、拉伸法而得。聚二甲基硅氧烷树胶采用道康宁的7268压敏胶进行测试,固体含量为60%,但不局限于该压敏胶,只需为聚二甲基硅氧烷树胶即可。同样地,硅酮树脂采用道康宁的SB-7268硅酮树脂进行说明。
实施例1
本实施例的PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,其中基材为改性的PET薄膜,而胶水的配方按重量百分比如下:
其制备方法为:将二甲基聚二甲基硅氧烷树胶氧烷树胶、硅酮树脂、二甲苯以及三氧化二锑阻燃粉进行混合,搅拌均匀后得到涂布胶水,利用涂布机把涂布胶水涂于改性的PET薄膜表面,涂好胶水后的PET薄膜放入烤箱,在180℃条件下烘烤120s,后取出放置至室温,经模切机裁切,形成胶带成品。
实施例2
本实施例的PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,其中基材为改性的PET薄膜,而胶水的配方按重量百分比如下:
除了阻燃粉与以及配方中各组分的比例与实施例1不同外,其余均与实施例1相同。
实施例3
本实施例的PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,其中基材为改性的PET薄膜,而胶水的配方按重量百分比如下:
除了阻燃粉与以及配方中各组分的比例与实施例1不同外,其余均与实施例1相同。
实施例4
本实施例的PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,其中基材为改性的PET薄膜,而胶水的配方按重量百分比如下:
除了阻燃粉与以及配方中各组分的比例与实施例1不同外,其余均与实施例1相同。
实施例5
本实施例的PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,其中基材为改性的PET薄膜,而胶水的配方按重量百分比如下:
除了阻燃粉与以及配方中各组分的比例与实施例1不同外,其余均与实施例1相同。
上述实施例经测试,其测试结果均满足下述要求:
总厚度(mm) | 0.06~0.08 |
基材厚度(mm) | 0.035~0.045 |
粘着力(N/25mm) | 6~7 |
颜色: | 茶色 |
拉伸强度(N/100mm) | 500~600N |
断裂伸长率(%) | 65~70% |
耐电压(Kv) | 6.00 |
绝缘电阻(MΩ) | |
绝缘等级 | F |
操作温度(℃) | 180 |
检测温度(℃) | 180℃/1h不残胶 |
本发明一方面采用聚二甲基硅氧烷树胶对PET薄膜进行改性,相比传统的聚酰亚胺膜材料成本降低50%,而做成胶带成品后成本可以降低30%,另一方面,通过采用自制的粘合剂胶水,其性能可完全代替传统的聚酰亚胺胶带,可满足高温操作的要求,在180℃条件下无残胶,粘着力为6~7N,拉伸强度为500~600N,断裂伸长率为65~70%,并且制备成本低于聚酰亚胺胶带。
以上对本发明的实施方式作了详细说明,但本发明不限于所描述的实施方式。对于本领域的技术人员而言,在不脱离本发明原理和精神的情况下,对这些实施方式进行多种变化、修改、替换和变型,仍落入本发明的保护范围内。
Claims (3)
1.一种PET茶色高温胶带,由基材以及涂覆于基材表面的胶水组成,其特征在于,所述基材为改性的PET薄膜,由PET与聚二甲基硅氧烷树胶按重量比4:6混合制成,所述胶水的配方按重量百分比如下:
其中,所述聚二甲基硅氧烷树胶的固体含量为60%。
2.根据权利要求1所述的PET茶色高温胶带,其特征在于,所述阻燃粉选自三氧化二锑、磷酸三甲苯酯、亚磷酸三苯酯、甲基膦酸二甲酯、聚磷酸铵中的一种。
3.一种权利要求1所述的PET茶色高温胶带的制备方法,其特征在于,制备步骤如下:
将二甲基聚二甲基硅氧烷树胶氧烷树胶、硅酮树脂、二甲苯以及普通阻燃粉进行混合,搅拌均匀后得到涂布胶水,利用涂布机把涂布胶水涂于改性的PET薄膜表面,涂好胶水后的PET薄膜放入烤箱,在180℃条件下烘烤120s,后取出放置至室温,经模切机裁切,形成胶带成品。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108977104A (zh) * | 2018-08-07 | 2018-12-11 | 阜南县力韦包装材料有限公司 | 一种二嵌段含硅共聚物改性pet胶带基材 |
CN109135598A (zh) * | 2018-08-07 | 2019-01-04 | 阜南县力韦包装材料有限公司 | 一种共聚物改性pet胶带 |
CN113556885A (zh) * | 2021-06-29 | 2021-10-26 | 联宝(合肥)电子科技有限公司 | 一种基于防氧化保护的焊接工艺 |
Citations (1)
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CN105969231A (zh) * | 2016-05-30 | 2016-09-28 | 成都市惠家胶粘制品有限公司 | 聚酯遮蔽保护胶带 |
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CN105969231A (zh) * | 2016-05-30 | 2016-09-28 | 成都市惠家胶粘制品有限公司 | 聚酯遮蔽保护胶带 |
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杨玉昆等: "《压敏胶制品技术手册》", 30 September 2004, 化学工业出版社 * |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108977104A (zh) * | 2018-08-07 | 2018-12-11 | 阜南县力韦包装材料有限公司 | 一种二嵌段含硅共聚物改性pet胶带基材 |
CN109135598A (zh) * | 2018-08-07 | 2019-01-04 | 阜南县力韦包装材料有限公司 | 一种共聚物改性pet胶带 |
CN113556885A (zh) * | 2021-06-29 | 2021-10-26 | 联宝(合肥)电子科技有限公司 | 一种基于防氧化保护的焊接工艺 |
CN113556885B (zh) * | 2021-06-29 | 2023-08-04 | 联宝(合肥)电子科技有限公司 | 一种基于防氧化保护的焊接工艺 |
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