CN111098567A - 一种复合陶瓷云母耐热绝缘板及其加工工艺 - Google Patents

一种复合陶瓷云母耐热绝缘板及其加工工艺 Download PDF

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CN111098567A
CN111098567A CN201811249431.6A CN201811249431A CN111098567A CN 111098567 A CN111098567 A CN 111098567A CN 201811249431 A CN201811249431 A CN 201811249431A CN 111098567 A CN111098567 A CN 111098567A
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mica
composite
film
board
heat
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丁锡海
杨鸣
张程浩
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Glory Mica Co ltd
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Abstract

本发明公开了一种复合陶瓷云母耐热绝缘板及其加工工艺，涉及绝缘耐热板材领域，旨在解决传统的云母板材效果无法达到要求的问题，其技术方案要点是：一种复合陶瓷云母耐热绝缘板，包括云母片以及陶瓷纤维板，所述云母片与陶瓷纤维板之间设置有连接层，所述云母片与陶瓷纤维板外部包覆有保护层。本发明的一种复合陶瓷云母耐热绝缘板及其加工工艺，具有绝缘耐热效果好的优点。

Description

一种复合陶瓷云母耐热绝缘板及其加工工艺
技术领域
本发明涉及绝缘材料技术领域，尤其是涉及一种复合陶瓷云母耐热绝缘板及其加工工艺。
背景技术
在家用电器和工业化设备中，有些设备为了能达到隔热，以及减少油汽、水汽对设备的污染，常常需要在设备中增加一道防护层。云母是一种优质的绝缘材料，属国内高科技外向型产品，具有无毒、无味、耐高温、高压、耐老化、耐腐蚀、绝缘等优点。相对于塑料及纤维，它具有非常高的耐温耐压防腐蚀性能是其它材料所不能代替的。
但是在一些特殊领域，比如新能源汽车的电池保护装置，需要较高的耐温绝缘性能，现有的材料不能达到所需要的性能要求。
因此需要提出一种新的方案解决上述问题。
发明内容
针对现有技术存在的不足，本发明的目的在于提供一种复合陶瓷云母耐热绝缘板，具有耐热绝缘性能好的优点。
本发明的上述发明目的是通过以下技术方案得以实现的：
一种复合陶瓷云母耐热绝缘板，包括云母片以及陶瓷纤维板，所述云母片与陶瓷纤维板之间设置有连接层，所述云母片与陶瓷纤维板外部包覆有保护层。
通过采用上述技术方案，云母片和陶瓷纤维板之间通过连接层实现连接，并且此处的粘接复合不限于一层云母片和陶瓷纤维板复合，还可以包括在云母片的两面均通过连接层连接陶瓷纤维板；云母片有绝缘及低损失的热阻功能，陶瓷纤维板的容重轻，且具有耐高温、热稳定性好、热传导率低、热容小、抗机械振动好的优点，通过将陶瓷纤维和云母片进行复合，可以达到最佳的耐温绝热性能，从而用作蓄电池的保护材料。
本发明进一步设置为：所述连接层包括有机硅压敏胶层。
通过采用上述技术方案，有机硅压敏胶具有优异的耐化学药品、耐水、耐油、耐溶剂、耐高温、耐低温、耐热降解、耐氧化降解等性能，并且具有一定的弹性，使得云母片和陶瓷纤维板可以发生相对位移，当板材受冲击时，利用有机硅热敏胶的弹性吸收掉一部分的震动冲击，提高板材的抗冲击性能。
本发明进一步设置为：所述保护层包括PE层或PP层或PET层。
通过采用上述技术方案，一方面可以起到保护、增强耐电晕性的作用，另一方面可以防止云母片的粉末向外掉落，提高使用清洁性，并且防止粉尘飘到空气中造成空气污染。
本发明进一步设置为：所述保护层厚0.0125-0.15mm。
通过采用上述技术方案，可以根据实际需要通过选用不同厚度的保护层，对复合板进行包覆。
本发明同时提供一种复合陶瓷云母耐热绝缘板的加工工艺，包括如下步骤：
S1，基材涂胶，在云母片的表面涂设有机硅压敏胶；
S2，烘干，将涂覆有有机硅压敏胶的云母片送入烘箱进行热烘，将有机硅压敏胶烘干至半干状态；
S3，基材叠合，将陶瓷纤维板叠加复合在云母片上形成复合板，并与涂胶的一面贴合；
S4，表面覆膜，通过覆膜机在复合板的表面贴设PP膜或PE膜或PET膜；
S5，边缘封胶，在复合板的侧边贴设PP膜或PE膜或PET膜。
通过采用上述技术方案，通过有机硅压敏胶将云母片和陶瓷纤维粘接在一起，通过烘箱将有机硅压敏胶烘干至半干状态，从而提高有机硅压敏胶的粘性，使得粘接更牢固，通过在复合板外部包覆PP膜、PE膜或PET膜，不仅可以起到一定的保护作用，而且可以防止云母片的粉末掉出。
本发明进一步设置为：步骤S4中可以采用单面覆膜或双面覆膜的方式。
通过采用上述技术方案，覆膜时可以根据实际需要采用在复合板的单面覆膜方式或者在复合板的双面覆膜的方式，可以根据实际生产进行选择。
本发明进一步设置为：步骤S5中对复合板覆膜后，将复合板通过压辊进行辊压。
通过采用上述技术方案，从而使得有机硅压敏胶以及保护层与云母层和陶瓷纤维更加贴合，使得复合更加牢固。
本发明进一步设置为：步骤S1中涂胶时，每隔一分钟对云母片表面涂刷一次，共涂刷三次。
通过采用上述技术方案，当刷完一次时，等待一分钟，使得有机硅压敏胶变干一些，之后再刷一层胶，待一分钟再刷一层，这样供刷有三层胶，并且可以保证胶的厚度，提高连接牢固度。
综上所述，本发明的有益技术效果为：
1.云母片和陶瓷纤维板之间通过连接层实现连接，并且此处的粘接复合不限于一层云母片和陶瓷纤维板复合，还可以包括在云母片的两面均通过连接层连接陶瓷纤维板；云母片有绝缘及低损失的热阻功能，陶瓷纤维板的容重轻，且具有耐高温、热稳定性好、热传导率低、热容小、抗机械振动好的优点，通过将陶瓷纤维和云母片进行复合，可以达到最佳的耐温绝热性能，从而用作蓄电池的保护材料；
2.通过有机硅压敏胶将云母片和陶瓷纤维粘接在一起，通过烘箱将有机硅压敏胶烘干至半干状态，从而提高有机硅压敏胶的粘性，使得粘接更牢固，通过在复合板外部包覆PP膜、PE膜或PET膜，不仅可以起到一定的保护作用，而且可以防止云母片的粉末掉出。
具体实施方式
以下结合实施例对本发明作进一步详细说明。
实施例一
为本发明公开的一种复合陶瓷云母耐热绝缘板，包括云母片以及陶瓷纤维板，并且云母片和陶瓷纤维板叠加设置，云母片与陶瓷纤维板之间设置有连接层，云母片与陶瓷纤维板外部包覆有保护层；云母片和陶瓷纤维板之间通过连接层实现连接，并且此处的粘接复合不限于一层云母片和陶瓷纤维板复合，还可以包括在云母片的两面均通过连接层连接陶瓷纤维板；云母片有绝缘及低损失的热阻功能，陶瓷纤维板的容重轻，且具有耐高温、热稳定性好、热传导率低、热容小、抗机械振动好的优点，通过将陶瓷纤维和云母片进行复合，可以达到最佳的耐温绝热性能，从而用作蓄电池的保护材料。
此处的连接层可以选用有机硅压敏胶层，有机硅压敏胶具有优异的耐化学药品、耐水、耐油、耐溶剂、耐高温、耐低温、耐热降解、耐氧化降解等性能，并且具有一定的弹性，使得云母片和陶瓷纤维板可以发生相对位移，当板材受冲击时，利用有机硅热敏胶的弹性吸收掉一部分的震动冲击，提高板材的抗冲击性能。
保护层可以采用PE膜、PP膜或者PET膜，通过将PE膜、PP膜或PET膜包覆在复合板材的外部，一方面可以起到保护、增强耐电晕性的作用，另一方面可以防止云母片的粉末向外掉落，提高使用清洁性，并且防止粉尘飘到空气中造成空气污染。保护层厚为0.0125mm-0.15mm，根据实际需要通过选用不同厚度的保护层，对复合板进行包覆。
实施例二
为本发明公开的一种复合陶瓷云母耐热绝缘板的加工工艺，包括如下步骤：
S1，基材涂胶，在云母片的表面涂设有机硅压敏胶；S2，烘干，将涂覆有有机硅压敏胶的云母片送入烘箱进行热烘，将有机硅压敏胶烘干至半干状态，此时有机硅压敏胶的粘接能力最强；S3，基材叠合，将陶瓷纤维板叠加复合在云母片上形成复合板，并与涂胶的一面贴合；S4，表面覆膜，通过覆膜机在复合板的表面贴设PP膜或PE膜或PET膜；S5，边缘封胶，在复合板的侧边贴设PP膜或PE膜或PET膜。
覆膜时可以根据实际需要采用在复合板的单面覆膜方式或者在复合板的双面覆膜的方式，可以根据实际生产进行选择。
对复合板覆膜之后，将复合板送入压辊中并通过压辊对复合板进行辊压，从而使得有机硅压敏胶以及保护层与云母层和陶瓷纤维更加贴合，使得复合更加牢固。
在步骤S1中涂胶时，每隔一分钟对云母片表面涂刷一次，共反复涂刷三次。当刷完一次时，等待一分钟，使得有机硅压敏胶变干一些，之后再刷一层胶，待一分钟再刷一层，这样供刷有三层胶，并且可以保证胶的厚度，提高连接牢固度。
本具体实施方式的实施例均为本发明的较佳实施例，并非依此限制本发明的保护范围，故：凡依本发明的结构、形状、原理所做的等效变化，均应涵盖于本发明的保护范围之内。

Claims (8)

1.一种复合陶瓷云母耐热绝缘板，其特征在于：包括云母片以及陶瓷纤维板，所述云母片与陶瓷纤维板之间设置有连接层，所述云母片与陶瓷纤维板外部包覆有保护层。
2.根据权利要求1所述的一种复合陶瓷云母耐热绝缘板，其特征在于：所述连接层包括有机硅压敏胶层。
3.根据权利要求1所述的一种复合陶瓷云母耐热绝缘板，其特征在于：所述保护层包括PE层或PP层或PET层。
4.根据权利要求3所述的一种复合陶瓷云母耐热绝缘板，其特征在于：所述保护层厚0.0125-0.15mm。
5.用于权利要求1-4任意一种所述的一种复合陶瓷云母耐热绝缘板的加工工艺，其特征在于：包括如下步骤：
S1，基材涂胶，在云母片的表面涂设有机硅压敏胶；
S2，烘干，将涂覆有有机硅压敏胶的云母片送入烘箱进行热烘，将有机硅压敏胶烘干至半干状态；
S3，基材叠合，将陶瓷纤维板叠加复合在云母片上形成复合板，并与涂胶的一面贴合；
S4，表面覆膜，通过覆膜机在复合板的表面贴设PP膜或PE膜或PET膜；
S5，边缘封胶，在复合板的侧边贴设PP膜或PE膜或PET膜。
6.根据权利要求5所述的一种复合陶瓷云母耐热绝缘板的加工工艺，其特征在于：步骤S4中可以采用单面覆膜或双面覆膜的方式。
7.根据权利要求5所述的一种复合陶瓷云母耐热绝缘板的加工工艺，其特征在于：步骤S5中对复合板覆膜后，将复合板通过压辊进行辊压。
8.根据权利要求5所述的一种复合陶瓷云母耐热绝缘板的加工工艺，其特征在于：步骤S1中涂胶时，每隔一分钟对云母片表面涂刷一次，共涂刷三次。
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