CN108117757B - 具有导电与防水特性的多功能胶体 - Google Patents

具有导电与防水特性的多功能胶体 Download PDF

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CN108117757B
CN108117757B CN201611065150.6A CN201611065150A CN108117757B CN 108117757 B CN108117757 B CN 108117757B CN 201611065150 A CN201611065150 A CN 201611065150A CN 108117757 B CN108117757 B CN 108117757B
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郑欣北
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Abstract

本发明为具有导电与防水特性的多功能胶体,其为下列重量百分比的材料所形成:9~12%的二甲基硅氧烷或是二甲基乙烯基封端或乙烯基封端的聚二甲基硅氧烷;12~15%的羟基封端的聚二甲基硅氧烷;0~0.2%的分散剂;3~5%的二甲基,甲基氢硅氧烷交连剂;0~0.2%的粘附促进剂;0~0.2%的铂催化剂;1~3%的成型剂;0~10%的烃溶剂;50~70%的镍石墨;0~0.2%的增稠剂;5~10%的三甲基化二氧化硅;以及0~0.1%的抑制剂。借由本发明的实施,胶体不需使用模具及刀模进行成型,加工流程简单且实施成本低廉;可以防水防尘;具有良好的粘着力、压缩性及回弹性;可以阻隔电磁干扰,具有电磁波屏蔽的功能;并且成型所需空间小,适用于轻薄短小装置,且使用材料成本亦大幅下降。

Description

具有导电与防水特性的多功能胶体
技术领域
本发明是关于一种胶体,特别是关于一种具有导电与防水特性的多功能胶体。
背景技术
于现今电子产品日益普及的现代化生活,每一个电子产品功能、耐用程度、以及对人体伤害程度的好坏,大大的决定于整个产品的封装或胶合等级以及对电磁波的隔离能力。
除了一体成型的结构以外,现今电子产品结构体的接合,皆以胶体为之然而胶体的品质于功能性甚难控制,有时使用不适合的胶体甚至可以导致整个产品的失效,甚或不能符合安规的需求。
更有甚者,若胶体无法对电磁干扰(EMI)的隔离产生功效时,更有可能对人体造成不必要的伤害。
有鉴于此,为了改善习知的胶体的缺点,如何在电子产品的制作上,发明创新出一种胶体,不但可以防水防尘,又可以有效阻隔EMI的干扰或泄漏,便成为电子产业,及其广大应用领域一个重要的进步发展课题,而且能对人类的生活品质贡献甚大的提升效果。
发明内容
本发明为具有导电与防水特性的多功能胶体,其为二甲基硅氧烷或是二甲基乙烯基封端或乙烯基封端的聚二甲基硅氧烷;羟基封端的聚二甲基硅氧烷;分散剂;二甲基,甲基氢硅氧烷交连剂;粘附促进剂;铂催化剂;成型剂;烃溶剂;镍石墨;增稠剂;三甲基化二氧化硅;以及抑制剂所形成。借由本发明的实施,胶体不需使用模具及刀模进行成型,加工流程简单且实施成本低廉;可以防水防尘;具有良好的粘着力、压缩性及回弹性;可以阻隔电磁干扰,具有电磁波屏蔽的功能;并且成型所需空间小,适用于轻薄短小装置,且使用材料成本亦大幅下降。
本发明的目的及解决其技术问题是采用以下技术方案来实现的。本发明是提供一种具有导电与防水特性的多功能胶体100,其为下列重量百分比的材料所形成:9~12%的二甲基硅氧烷(dimethyl siloxane)或是二甲基乙烯基封端(dimethylvinyl-terminated)或乙烯基封端的聚二甲基硅氧烷(Vinyl terminated polydimethylsiloxane);12~15%的羟基封端的聚二甲基硅氧烷(hydroxy terminated polydimethylsiloxane);0~0.2%的分散剂;3~5%的二甲基,甲基氢硅氧烷(dimethyl,methylhydrogen siloxane)交连剂;0~0.2%的粘附促进剂;0~0.2%的铂催化剂(Pt catalyst);1~3%的成型剂(formingagent);0~10%的烃溶剂(Hydrocarbon solvent);50~70的镍石墨(Nickel Graphite);0~0.2%的增稠剂(thickening agent);5~10%的三甲基化二氧化硅(Trimethylatedsilica);以及0~0.1%的抑制剂(Inhibitor)。
本发明的目的及解决其技术问题还可采用以下技术措施进一步实现。
前述的具有导电与防水特性的多功能胶体,其是以点胶方式形成于结构体。
前述的具有导电与防水特性的多功能胶体,其是以自动填胶机于该结构体进行点胶。
前述的具有导电与防水特性的多功能胶体,其中该结构体为CNC加工结构体。
前述的具有导电与防水特性的多功能胶体,其粘着力是80N/cm2以上。
前述的具有导电与防水特性的多功能胶体,其在200MHz到20GHz的频段,对电磁波的屏蔽为大于100dB。
前述的具有导电与防水特性的多功能胶体,其中该胶体是能够导电。
前述的具有导电与防水特性的多功能胶体,其最小宽度为0.4mm。
前述的具有导电与防水特性的多功能胶体,其最小高度为0.3mm。
前述的具有导电与防水特性的多功能胶体,其宽度是介于0.4mm~2mm之间。
借由本发明的实施,至少可以达到下列进步功效:
一、不需使用模具及刀模进行成型,加工流程简单且实施成本低廉。
二、可以防水防尘。
三、具有良好的粘着力特性。
四、具有良好的压缩性及回弹性。
五、可以阻隔电磁干扰,具有电磁波屏蔽的功能。
六、成型所需空间小,适用于轻薄短小装置,且使用材料成本亦大幅下降。
上述说明仅是本发明技术方案的概述,为了能够更清楚了解本发明的技术手段,而可依照说明书的内容予以实施,并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂,以下特举较佳实施例,并配合附图,详细说明如下。
附图说明
图1是本发明实施例的一种具有导电与防水特性的多功能胶体形成于结构体的立体示意图。
【主要元件符号说明】
100:具有导电与防水特性的多功能胶体
200:结构体
具体实施方式
请参考如图1所示,为实施例的一种具有导电与防水特性的多功能胶体100,其为二甲基硅氧烷或是二甲基乙烯基封端或乙烯基封端的聚二甲基硅氧烷;羟基封端的聚二甲基硅氧烷;分散剂;二甲基,甲基氢硅氧烷交连剂;粘附促进剂;铂催化剂;成型剂;烃溶剂;镍石墨;增稠剂;三甲基化二氧化硅;以及抑制剂所形成。
如图1所示的具有导电与防水特性的多功能胶体100中各成份的重量百分比为:9~12%的二甲基硅氧烷或是二甲基乙烯基封端或乙烯基封端的聚二甲基硅氧烷;12~15%的羟基封端的聚二甲基硅氧烷;0~0.2%的分散剂;3~5%的二甲基,甲基氢硅氧烷交连剂;0~0.2%的粘附促进剂;0~0.2%的铂催化剂;1~3%的成型剂;0~10%的烃溶剂;50~70%的镍石墨;0~0.2%的增稠剂;5~10%的三甲基化二氧化硅;以及0~0.1%的抑制剂。
如此形成的胶体,在形成于结构体200上时,不必如习知既有的胶体般,需要使用模具及刀模进行成型,可以达到加工流程简单且实施成本低廉的功效。
而且具有导电与防水特性的多功能胶体100本身,更可以具有导电性、良好的粘着力、压缩性、回弹性、以及对电磁波产生屏蔽等特性,其粘着力可以高达80N/cm2以上,而其对电磁波的屏蔽能力可以大于100dB。
如图1所示,在应用实施例的结构体200上,可以具有至少一个填胶路径,每一个填胶路径皆可以填充或点胶的方式,形成具有导电与防水特性的多功能胶体100,而其中结构体200可以为一个CNC加工的结构体200。
至于填胶路径及具有导电与防水特性的多功能胶体100的位置、长短、粗细等规格,皆依照不同的应用或使用需求而定,并无特殊的限制。
再者,可以选择具有导电与防水特性的多功能胶体100的宽度为0.4mm或0.4mm以上,或是介于0.4mm~2mm之间;而且其高度可以为0.3mm或0.3mm以上。
所述具有导电与防水特性的多功能胶体100并是可以以自动填胶机进行点胶。
填入具有导电与防水特性的多功能胶体100,不但可以使胶合后的结构体200防止水分、杂质或异物的侵入,更可以有效避免电磁干扰(EMI,Electro MagneticInterference)的溢漏,防止电磁干扰(EMI)自胶合处进入或辐射出结构体200。
总而言之,实施例所述,所充填的具有导电与防水特性的多功能胶体100,不但成型所需空间小,适用于轻薄短小装置,且使用材料成本亦大幅下降;可以有效防水防尘;具有良好的粘着力、压缩性及回弹性;又可以阻隔电磁干扰,具有电磁波屏蔽的功能。
更由于具有导电与防水特性的多功能胶体100不须复杂制造过程或制造设备,实施及制造成本低廉,而更能够广泛的充份应用于各种大大小小的产品或电子设备。
以上所述,仅是本发明的较佳实施例而已,并非对本发明做任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专业的技术人员,在不脱离本发明技术方案范围内,当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所做的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。

Claims (8)

1.一种具有导电与防水特性的多功能胶体,其为下列重量百分比的材料所形成:
9~12%的二甲基硅氧烷或是二甲基乙烯基封端或乙烯基封端的聚二甲基硅氧烷;
12~15%的羟基封端的聚二甲基硅氧烷;
0~0.2%的分散剂;
3~5%的二甲基,甲基氢硅氧烷交联 剂;
0~0.2%的粘附促进剂;
0~0.2%的铂催化剂;
1~3%的成型剂;
0~10%的烃溶剂;
50~70%的镍石墨;
0~0.2%的增稠剂;
5~10%的三甲基化二氧化硅;以及
0~0.1%的抑制剂;
又所述的具有导电与防水特性的多功能胶体,其粘着力是80N/cm2以上且其在200M Hz到20GHz的频段,对电磁波的屏蔽为大于100dB。
2.根据权利要求1所述的具有导电与防水特性的多功能胶体,其是以点胶方式形成于结构体。
3.根据权利要求2所述的具有导电与防水特性的多功能胶体,其是以自动填胶机于该结构体进行点胶。
4.根据权利要求2所述的具有导电与防水特性的多功能胶体,其中该结构体为CNC加工结构体。
5.根据权利要求1所述的具有导电与防水特性的多功能胶体,其中该胶体是能够导电。
6.根据权利要求1所述的具有导电与防水特性的多功能胶体,其最小宽度为0.4mm。
7.根据权利要求1所述的具有导电与防水特性的多功能胶体,其最小高度为0.3mm。
8.根据权利要求1所述的具有导电与防水特性的多功能胶体,其宽度是介于0.4mm~2mm之间。
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