CN105585972B - 一种电子器件用胶带 - Google Patents

一种电子器件用胶带 Download PDF

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CN105585972B
CN105585972B CN201610160588.6A CN201610160588A CN105585972B CN 105585972 B CN105585972 B CN 105585972B CN 201610160588 A CN201610160588 A CN 201610160588A CN 105585972 B CN105585972 B CN 105585972B
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孙政良
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Abstract

本发明公开了一种电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂;粉偶氮二异丁氰;有机溶剂;偶联剂以及缚酸剂。本发明提供一种电子器件用胶带,该胶带通过采用丙烯酸胶粘剂,避免了紫外光照射固化,且该胶带可以重复使用,降低成本,不会产生有害气体,环保无污染。

Description

一种电子器件用胶带
技术领域
本发明涉及胶带领域,具体地说,本发明涉及一种电子器件用胶带。
背景技术
近年来因为环保的要求,绿色环保工艺备受重视,其中,因电子信息产品的大量需求,低污染、低排废的制造电子零件工艺技术变成一个重要的课题,其中,例如发光二极管、积层陶瓷电容器(MLCC)、电感器或晶体管等又占多数的使用量,所以上述电子零件的环保工艺技术也就更为重要。
以片式发光二极管为例,在发光二极管的工艺中,当发光二极管芯片以封装成片式发光二极管基板时,需用紫外光(UV)硬化胶带,将发光二极管基板固定住,然后放上切割机台上,通过光耦合元件(CCD )找出切割位置,再以钻石轮进行切割,再去照射紫外光,使胶带上的胶层硬化而失去粘着力,而使切割完成的片式发光二极管零件自胶带上剥离。
目前所使用的胶带是一种紫外光硬化型的胶带,经紫外光照射后,胶带的粘着力便会因架桥硬化而失去粘着力,无法重复多次使用而产生大量的工业生产废弃物,并且紫外光胶带的架桥硬化过程中会释出对人体有害的有机气体,这对长期使用者而言,不可避免的会造成职业伤害。
发明内容
本发明所要解决的技术问题是提供一种电子器件用胶带,该胶带通过采用丙烯酸胶粘剂,避免了紫外光照射固化,且该胶带可以重复使用,降低成本,不会产生有害气体,环保无污染。
本发明采用的技术方案为:一种电子器件用胶带,所述电子器件用胶带包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,其中,所述导热胶粘层由以下重量份组分混合后烘烤获得:
丙烯酸酯胶粘剂 10~45份;
石墨粉 2~19份;
偶氮二异丁氰 3~15份;
有机溶剂 6~15份;
偶联剂 2~12份;
缚酸剂 3~8份。
优选的是,所述丙烯酸酯胶粘剂由以下重量份组分组成:
丙烯酸甲酯 5~18份;
丙烯酸异辛酯 6~15份;
丙烯酸胺 4~12份;
六氯环三磷腈 2~6份;
丙烯酸多元醇 6~15份;
乙酸乙酯 3~18份。
优选的是,所述缚酸剂选自碳酸钠、碳酸钾、磷酸钾中的一种。
优选的是,所述有机溶剂选自丙酮、四氢呋喃、乙腈中的一种。
优选的是,所述石墨粉直径为3~6微米。
优选的是,所述基层选自聚丙烯膜、聚碳酸酯膜、聚对苯二甲酸乙烯酯膜或聚氯乙烯膜中的一种。
优选的是,所述丙烯酸多元醇的平均分子量为500~2000。
本发明至少包括以下有益效果:
(1)本发明采用特殊配方的丙烯酸胶粘剂,选用六氯环三磷腈单体作为共聚组分,在丙烯酸多元醇的存在下,通过将磷腈结构引入到共聚物分子结构的侧链,在赋予胶粘剂的磷、氮含量的同时,有效降低了阻燃元素和结构对丙烯酸胶粘剂粘合性能的影响,制备的胶粘剂属本质阻燃材料,阻燃成分不易从聚合物基体中迁移或析出,能够达到持久阻燃的目的;
(2)本发明根据其特定配方,在导热胶粘层中加入石墨粉,保证了电子器件用胶带长度和厚度方向的导热性,且实现了胶带导热性能的均匀性,既有利于热量的扩散也避免胶带局部过热,提高了产品的性能和寿命;
(3)本发明采用缚酸剂,有效避免了石墨颗粒在后续工艺丙烯酸酯胶粘体系中团聚现象,从而有利于长度和厚度方向导热同步提高。
具体实施方式
以下将结合具体实施例来详细说明本发明的实施方式,借此对本发明如何应用技术手段来解决技术问题,并达到技术效果的实现过程能充分理解并据以实施。
若未特别指明,实施例中所采用的技术手段为本领域技术人员所熟知的常规手段,所采用的原料也均为可商业获得的。未详细描述的各种过程和方法是本领域中公知的常规方法。
实施例1
本发明的电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂10份;石墨粉2份;偶氮二异丁氰3份;有机溶剂6份;偶联剂2份;缚酸剂3份。
实施例2
本发明的电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂30份;石墨粉16份;偶氮二异丁氰12份;有机溶剂9份;偶联剂8份;缚酸剂5份。
实施例3
本发明的电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂45份;石墨粉19份;偶氮二异丁氰15份;有机溶剂15份;偶联剂12份;缚酸剂8份。
对比例1
本发明的电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂45份;偶氮二异丁氰15份;有机溶剂15份;偶联剂12份;缚酸剂8份。
对比例2
本发明的电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂45份;石墨粉19份;偶氮二异丁氰15份;有机溶剂15份;偶联剂12份。
其中,实施例1~3和对比例1~2中,所述丙烯酸酯胶粘剂成分一致,其成分为:丙烯酸甲酯5份;丙烯酸异辛酯15份;丙烯酸胺12份;六氯环三磷腈6份;丙烯酸多元醇6份;乙酸乙酯18份。
对比例3
本发明的电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂45份;石墨粉19份;偶氮二异丁氰15份;有机溶剂15份;偶联剂12份;缚酸剂8份;
其中,所述丙烯酸酯胶粘剂成分为:丙烯酸甲酯5份;丙烯酸异辛酯15份;丙烯酸胺12份;丙烯酸多元醇6份;乙酸乙酯18份。
对比例4
本发明的电子器件用胶带,包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,所述导热胶粘层由以下重量份组分混合后烘烤获得:丙烯酸酯胶粘剂45份;石墨粉19份;偶氮二异丁氰15份;有机溶剂15份;偶联剂12份;缚酸剂8份;
其中,所述丙烯酸酯胶粘剂成分为:丙烯酸甲酯5份;丙烯酸异辛酯15份;丙烯酸胺12份;六氯环三磷腈6份;乙酸乙酯18份。
上述实施例和对比例中电子器件用胶带的制备工艺,包括如下步骤:
第一步:按配比配置好丙烯酸酯胶粘剂;
第二步:将石墨粉、丙烯酸酯胶粘剂混合均匀,并在80~90℃条件搅拌形成混合液;
第三步:将偶氮二异丁氰、有机溶剂、偶联剂、缚酸剂按配比与所述第二步溶液混合,并经高速搅拌器分散1~2小时,获得导热胶粘剂;
第四步:将第三步获得的导热胶粘剂涂布于表面具有抗静电层的基层;
第五步:对第四步中的导热胶粘剂进行烘烤形成导热胶粘层;
第六步:将第五步中经过烘烤的导热胶粘层另一表面贴合一隔离纸;
第七步:收卷。
将实施例1~3与对比例1~4得到的胶带进行性能测试,测试结果见表1。
表1实施例1~3与对比例1~4的性能测试结果
尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用,它完全可以被适用于各种适合本发明的领域,对于熟悉本领域的人员而言,可容易地实现另外的修改,因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于这里描述细节。

Claims (1)

1.一种电子器件用胶带,其特征在于,所述电子器件用胶带包括基层、涂覆于基层表面的抗静电层、涂覆于抗静电层上的导热胶粘层,一隔离纸贴覆于导热胶粘层另一表面,其中,所述导热胶粘层由以下重量份组分混合后烘烤获得:
丙烯酸酯胶粘剂 10~45份;
石墨粉 2~19份;
偶氮二异丁腈 3~15份;
有机溶剂 6~15份;
偶联剂 2~12份;
缚酸剂 3~8份;
所述丙烯酸酯胶粘剂由以下重量份组分组成:
丙烯酸甲酯 5~18份;
丙烯酸异辛酯 6~15份;
丙烯酸胺 4~12份;
六氯环三磷腈 2~6份;
丙烯酸多元醇 6~15份;
乙酸乙酯 3~18份;
所述缚酸剂选自碳酸钠、碳酸钾、磷酸钾中的一种;
所述有机溶剂选自丙酮、四氢呋喃、乙腈中的一种;
所述石墨粉直径为3~6微米;
所述基层选自聚丙烯膜、聚碳酸酯膜或聚氯乙烯膜中的一种;
所述丙烯酸多元醇的平均分子量为500~2000。
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CN103911083A (zh) * 2012-12-18 2014-07-09 苏州斯迪克新材料科技股份有限公司 压敏胶粘带
CN203845983U (zh) * 2014-05-23 2014-09-24 苏州斯迪克新材料科技股份有限公司 一种阻燃抗静电保护胶带

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CN103911083A (zh) * 2012-12-18 2014-07-09 苏州斯迪克新材料科技股份有限公司 压敏胶粘带
CN203845983U (zh) * 2014-05-23 2014-09-24 苏州斯迪克新材料科技股份有限公司 一种阻燃抗静电保护胶带

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