CN110791179A - 一种盖带专用抗静电涂料 - Google Patents
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Abstract
本发明公开一种盖带专用抗静电涂料,包括下述质量百分比的各原料组分:聚(3,4‑乙烯二氧噻吩)‑聚苯乙烯磺酸(Poly(3,4‑ethylenedioxythiophene)/poly(styrenesulfonate,PEDOT/PSS)10~50%、润湿剂0.05~1.5%,水性树脂2~15%,活性增效剂1~15%,爽滑剂0.05~3%,水50~70%。上述组分含量总和为100%。所述的盖带专用抗静电涂料,配方组分中选择丁苯胶乳或丁腈胶乳作为粘结树脂,并配以合适的润湿剂,在盖带表面涂覆抗静电层后,可很好地减缓上盖带剥离时产生的震动,保持载带剥离的平稳性。
Description
技术领域
本发明涉及一种抗静电涂料,尤其涉及一种电子部件包装用上盖带专用抗静电涂料。
背景技术
盖带是一种应用于电子包装领域的带状产品,与载带配合使用。盖带通常以聚酯或聚丙烯薄膜为基层,并复合或涂布有不同的功能层(抗静电层、胶层等),可在外力或加热的情况下封合在载带的表面,形成闭合的空间,保护载带口袋中电子元器件。为了避免电子元器件被静电吸附到盖带上,盖带表面通常会有抗静电的要求。通常在盖带涂层中加入高分子型抗静电剂。但这类离子型抗静电剂靠吸附水起作用,受空气湿度影响较大,抗静电效果短暂。
水性聚噻吩(PEDOT/PSS)抗静电剂是新型抗静电剂,不依赖空气湿度。一般聚噻吩抗静电涂料采用的水性树脂包括聚氨酯、丙烯酸树脂、丙烯酸改性聚氨酯等。这些水性树脂与聚噻吩有很好的相容性,在薄膜上有好的附着力和成膜性,赋予薄膜稳定持久的抗静电性能。但抗静电剂涂布在盖带表面时,由于树脂层降低了盖带热熔胶与载带间的粘接力,导致在剥离盖带时会产生震动,影响载带的稳定,电子元器件容易跳出。
解决该问题的关键是找到与盖带热熔胶相容性良好的水性树脂。丁苯胶乳是丁二烯和苯乙烯单体在添加不同化学品和助剂后经乳液共聚而制成的聚合物胶乳。丁苯胶乳具有较好的结膜强度和粘结力、稳定性、流动性俱佳,填充量大,成模性好,机械、化学与冻融稳定性优异,与颜料、填料相容性好等特点。选择丁苯胶乳替代聚氨酯等,并在涂料配方中选择合适的润湿剂,使之能均匀涂布在盖带胶面上,可获得抗抗静电效果持久、湿度依赖性低,且不影响盖带热熔胶层与载带间的粘结效果的抗静电剂。
发明内容
本发明根据应用目的不同,提供一种电子部件包装用上盖带专用抗静电涂料,以克服现有技术中的不足。该抗静电涂料不仅抗静电效果好,而且对湿度依赖性低,还能够很好的减缓上盖带剥离时产生的震动,保持载带的平稳性。
为达到上述目的,本发明采用的技术方案如下:
一种电子部件包装用上盖带专用抗静电涂料,包括下述质量百分比的各原料组分:聚(3,4-乙烯二氧噻吩)-聚苯乙烯磺酸( Poly(3,4-ethylenedioxythiophene) /poly(styrenesulfonate, PEDOT/PSS) 10~50%、润湿剂0.05~1.5%,水性树脂2~15%,活性增效剂 1~15%,爽滑剂 0.05~3%,水 50~70%。上述组分含量总和为100% 。
本发明中,优选的方案为所述的润湿剂为硫醚非离子型超级润湿剂、炔二醇乙氧基化合物非离子型超级润湿剂中的一种。
本发明中,优选的方案为所述的水性树脂为丁苯胶乳、丁腈胶乳中的一种
本发明中,优选的方案为所述的活性增效剂为二甲亚砜、N-甲基吡咯烷酮、山梨醇、甘油中的一种。
本发明中,优选的方案为所述的爽滑剂为超分子量在聚二甲基硅氧烷分散体,再优选为道康宁DC-51。
与现有技术相比,本发明的有益效果在于:所述的一种盖带专用抗静电涂料,配方组分中选择丁苯胶乳或丁腈胶乳作为粘结树脂,并配以合适的润湿剂,在盖带表面涂覆抗静电层后,可很好地减缓上盖带剥离时产生的震动,保持载带剥离的平稳性。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚,下面结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述。所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1:
一种盖带专用抗静电涂料,包括下述质量百分比的各原料组分:PEDOT/PSS (含固量1.3%)20克、Dynol 604润湿剂 0.5克,丁苯胶乳(固含量30%)10克,二甲亚砜 5克,道康宁DC-51爽滑剂0.1克,水64.4克。
将PEDOT/PSS加入到水中,充分搅拌 10分钟,将Dynol 604润湿剂和丁苯胶乳加入到上述溶液中充分搅拌15分钟,再将二甲亚砜和道康宁DC-51爽滑剂加入到上述混合溶液中,充分搅拌均匀2小时,即得到所述盖带专用抗静电涂料。用5号线棒涂布于盖带胶面上,110℃烘干,测定抗静电性能和对热压性能的影响。
上述配方抗静电性能为106 Ω/□,在180℃热压0.05秒后拉力影响测试表明盖带剥离时无震动,可保持载带剥离的平稳性。
实施例2:
一种盖带专用抗静电涂料,包括下述质量百分比的各原料组分:PEDOT/PSS (含固量1.3%)27克、Dynol 604润湿剂 0.4克,丁腈胶乳(固含量30%)8克,二甲亚砜 4克,道康宁DC-51爽滑剂0.1克,水60.5克。
将PEDOT/PSS加入到水中,充分搅拌 10分钟,将Dynol 604润湿剂和丁苯胶乳加入到上述溶液中充分搅拌15分钟,再将二甲亚砜和道康宁DC-51爽滑剂加入到上述混合溶液中,充分搅拌均匀2小时,即得到所述盖带专用抗静电涂料。用5号线棒涂布于盖带胶面上,110℃烘干,测定抗静电性能和对热压性能的影响。
上述配方抗静电性能为106 Ω/□,在180℃热压0.05秒后拉力影响测试表明盖带剥离时无震动,可保持载带剥离的平稳性。
实施例3:
一种盖带专用抗静电涂料,包括下述质量百分比的各原料组分:PEDOT/PSS (含固量1.3%)21克、Dynol 604润湿剂 0.6克,丁苯胶乳(固含量30%)11.5克,二甲亚砜 5.5克,道康宁DC-51爽滑剂0.2克,水61.5克。
将PEDOT/PSS加入到水中,充分搅拌 10分钟,将Dynol 604润湿剂和丁苯胶乳加入到上述溶液中充分搅拌15分钟,再将二甲亚砜和道康宁DC-51爽滑剂加入到上述混合溶液中,充分搅拌均匀2小时,即得到所述盖带专用抗静电涂料。用5号线棒涂布于盖带胶面上,110℃烘干,测定抗静电性能和对热压性能的影响。
上述配方抗静电性能为106 Ω/□,在180℃热压0.05秒后拉力影响测试表明盖带剥离时无震动,可保持载带剥离的平稳性。
申请人声明,本发明通过上述实施例来说明本发明的详细方法,但本发明并不局限于上述详细方法,即不意味着本发明必须依赖上述详细方法才能实施。所属技术领域的技术人员应该明了,对本发明的任何改进,对本发明产品各原料的有效替换及辅助成分的添加,具体方式的选择等,均落在本发明的保护范围和公开范围之内。
Claims (5)
1.一种盖带专用抗静电涂料,其特征在于:按照下述质量百分比的各原料组分制成:聚(3,4-乙烯二氧噻吩)-聚苯乙烯磺酸( Poly(3,4-ethylenedioxythiophene) /poly(styrenesulfonate, PEDOT/PSS) 10~50%、润湿剂0.05~1.5%,水性树脂2~15%,活性增塑剂 1~15%,爽滑剂 0.05~3%,水 50~70%,上述组分含量总和为100%。
2.根据权利要求1所述的一种盖带专用抗静电涂料,其特征在于:所述的水性树脂为丁苯胶乳或丁腈胶乳中的一种。
3.根据权利要求1所述的一种盖带专用抗静电涂料,其特征在于:所述的润湿剂为硫醚非离子型超级润湿剂、炔二醇乙氧基化合物非离子型超级润湿剂中的一种。
4.根据权利要求1所述的一种盖带专用抗静电涂料,其特征在于:所述的活性增效剂为二甲亚砜、N-甲基吡咯烷酮、山梨醇、甘油中的一种。
5.根据权利要求1所述的一种盖带专用抗静电涂料,其特征在于:所述的爽滑剂为超分子量在聚二甲基硅氧烷分散体,优选为道康宁DC-51。
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