CN101275060A - 导电胶带及其制造方法 - Google Patents
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Abstract
一种导电胶带,包括:基底,及形成在基底至少一侧上的胶粘层,其中,所述的胶粘层包括碳纳米材料。一种导电胶带的制造方法,其包括以下步骤:(1)制备碳纳米材料导电溶液及胶粘剂;(2)将上述碳纳米材料导电溶液与胶粘剂均匀混合后涂覆在基底上;及(3)干燥涂覆在基底上的混合物以形成该导电胶带。所述的导电胶带,其胶粘层中含有碳纳米材料,其导电性要优于无定形碳的导电性,故含碳纳米材料的导电胶带的电阻低;制备导电胶带时,要达到同样的导电性,那么碳纳米材料的用量会更少,因此导电胶带的成本低。所述的导电胶带的制造方法,通过将碳纳米材料与胶粘剂均匀混合后涂覆在基底上,制备方法简单且成本低。
Description
技术领域
本发明涉及一种导电胶带及其制造方法,尤其涉及一种使用碳纳米材料的导电胶带及其制造方法。
背景技术
在进行扫描电镜(SEM)和X-射线能谱(EDS)分析时,人们常常需要用一种导电且具有粘性的物体来固定所要观测的样品。目前,使用非常广泛的是碳导电胶带(Carbon Conductive Tape,CCT),其中的碳为无定形碳。
但是上述碳导电胶带存在二方面的缺点:一是电阻非常大,一般都在约700KΩ/cm的级别;二是成本比较高(通常,一卷8mm×20m的碳导电胶带的售价约为300元人民币)。
发明内容
有鉴于此,有必要提供一种电阻低及成本低的导电胶带及其制造方法。
一种导电胶带,包括:基底,及形成在基底至少一侧上的胶粘层,其中,所述的胶粘层包括碳纳米材料。
一种导电胶带的制造方法,其包括以下步骤:(1)制备碳纳米材料导电溶液及胶粘剂;(2)将上述碳纳米材料导电溶液与胶粘剂均匀混合后涂覆在基底上;及(3)干燥涂覆在基底上的混合物以形成该导电胶带。
所述的导电胶带,其胶粘层中含有碳纳米材料,其导电性要优于无定形碳的导电性,故含碳纳米材料的导电胶带的电阻低;制备导电胶带时,要达到同样的导电性,那么碳纳米管的用量会更少,因此导电胶带的成本低。
所述的导电胶带的制造方法,通过将碳纳米材料与胶粘剂均匀混合后涂覆在基底上,制备方法简单且成本低。
附图说明
图1为本发明实施例提供的一种导电胶带的截面示意图。
图2为本发明实施例提供的一种导电胶带的制造流程图。
具体实施方式
下面将结合附图对本发明实施例作进一步的详细说明。
请参阅图1,本发明实施例提供一种导电胶带10,其包括基底102,及形成在基底一侧上的胶粘层104。
该基底102可选用柔韧性较好的聚合物薄膜,如一般透明胶带的不粘层。
本实施例中,该胶粘层104为压敏胶粘层。该胶粘层104包括碳纳米材料和胶粘剂,其中,碳纳米材料可为碳纳米管、碳纳米球或两者的混合物,而碳纳米管可选自多壁碳纳米管、单壁碳纳米管或两者的混合物。碳纳米管可通过化学气相沉积法、电弧放电法或激光蒸发法等现有方法制备,并可通过离心提纯得到纯度较高的碳纳米管。目前,碳纳米管的量产已经可实现,参看Yao Wang,Fei Wei,Guangsheng Gu,Hao Yu等人发表在Physica B,323(1-4):327-329(2002)上,题为《Agglomerated Carbon Nanotubes and Its MassProduction in a Fluidized-Bed Reactor》的论文。
可以理解的是,在基底102的另一侧上也可形成胶粘层104,而使导电胶带10成为双面胶带。
请参阅图2,本发明实施提供一种导电胶带10的制造方法,该制造方法包括以下步骤:
(100)制备碳纳米材料导电溶液及胶粘剂;
(200)将上述碳纳米材料导电溶液与胶粘剂均匀混合后涂覆在基底102上;及
(300)干燥涂覆在基底102上的混合物以形成该导电胶带10。
在步骤(100)中,制备碳纳米材料导电溶液的方法包括以下步骤:(1a)将碳纳米材料与二氯乙烷混合均匀分散后得到分散液;及(2a)在该分散液中加入有机载体并均匀分散得到该碳纳米材料导电溶液。
当然,碳纳米材料可选自碳纳米管、碳纳米球或两者的混合物。在本实施例中,碳纳米材料选用碳纳米管,其质量为2克,而二氯乙烷的体积为400毫升。将碳纳米管和二氯乙烷混合后用细胞破碎机持续分散15分钟,然后再用超声清洗机分散30分钟后得到分散液。可选的步骤为使用400目的滤网过滤该分散液,这个过滤步骤是为了将一些小团簇过滤掉。当然,若对分散液中粒径的大小有别的要求,可使用其他规格的滤网,或对粒径的大小没特别要求,该过滤步骤可以省略。
本实施例中,该有机载体的质量为30克,其包括5克的乙基纤维素、5毫升的邻位苯二甲酸二丁酯及90毫升松油醇。分散液加入有机载体后用细胞破碎机持续分散15分钟,然后再用超声清洗机分散30分钟后得到该碳纳米材料导电溶液。可以理解的是,此时,碳纳米管的取向在该导电溶液中是无序的。需要指出的是,上述材料的质量、体积及分散步骤所花的时间可视实际情况增加或减少以达到较好的效果,而不必具体以本实施例为限。在得到的分散液中加入有机载体的目的是为了增强碳纳米材料导电溶液的胶粘性。当然,若对碳纳米材料导电溶液的胶粘性不作特别要求的话,添加有机载体的步骤可省略。
制备胶粘剂的方法包括:将丙烯酸丁酯、丙烯酸-2-乙基己酯、醋酸乙烯、甲基丙烯酸缩水甘油酯、丙烯酸、过氧化苯甲酰、甲苯及醋酸乙酯混合均匀分散后得到该胶粘剂。上述各种物质的质量份数分别为:112.5份的丙烯酸丁酯、116.5份的丙烯酸-2-乙基己酯、12.5份的醋酸乙烯、1.25份的甲基丙烯酸缩水甘油酯、7.5份的丙烯酸、0.5份的过氧化苯甲酰、87.5份的甲苯及162.5份的醋酸乙酯。该胶粘剂具有较高的内聚力和胶接强度,适用于制备胶粘带、自粘标签及双面胶带等。当该胶粘剂用于双面胶带时,其胶接强度可达5.6N/cm。当然,上述各种物质的质量份数可依实际需要而作相应变更,而不必具体以本实施例为限。
在步骤(200)中,碳纳米管导电溶液与胶粘剂充分混合,其混合分散的方法可以参考步骤(100)中实施。充分混合后所得到的混合物置于100摄氏度的水浴环境中并用搅拌棒搅拌,直至将溶剂蒸发掉。然后,将蒸发过的混合物涂覆于基底102上。
在步骤(300)中,将在步骤(200)中得到的涂覆有混合物的基底102再充分干燥后得到该导电胶带10。干燥的方法可采用风干、热干或两者相结合。
本发明实施例所提供的导电胶带10,其胶粘层104中含有碳纳米材料,尤其是碳纳米管,其导电性要优于无定形碳的导电性,故含碳纳米材料的导电胶带的电阻低;制备导电胶带10时,如要达到同样的导电性,那么碳纳米材料的用量会更少,因此导电胶带10的成本低;使用本发明实施提供的胶粘剂,可使导电胶带的粘性好。
需要指出的是,本发明实施例提供的导电胶带10还可用于防静电包装材料。
另外,本领域技术人员还可以在本发明精神内做其它变化。当然,这些依据本发明精神所做的变化,都应包含在本发明所要求保护的范围之内。
Claims (10)
1. 一种导电胶带,其包括:
基底,及
形成在基底至少一侧上的胶粘层,其特征在于,所述的胶粘层包括碳纳米材料。
2. 如权利要求1所述的导电胶带,其特征在于,所述的碳纳米材料可选自碳纳米管、碳纳米球或两者的混合物。
3. 如权利要求2所述的导电胶带,其特征在于,所述的碳纳米管可选自多壁碳纳米管、单壁碳纳米管或两者的混合物。
4. 一种导电胶带的制造方法,其包括以下步骤:
(1)制备碳纳米材料导电溶液及胶粘剂;
(2)将上述碳纳米材料导电溶液与胶粘剂均匀混合后涂覆在基底上;及
(3)干燥涂覆在基底上的混合物以形成该导电胶带。
5. 如权利要求4所述的导电胶带的制造方法,其特征在于,所述的碳纳米材料导电溶液的制备方法包括以下步骤:
(1a)将碳纳米材料与二氯乙烷混合均匀分散后得到分散液;及
(2a)在该分散液中加入有机载体并均匀分散得到该碳纳米材料导电溶液。
6. 如权利要求5所述的导电胶带的制造方法,其特征在于,所述的分散步骤可通过细胞破碎机及超声清洗机分散实现。
7. 如权利要求5所述的导电胶带的制造方法,其特征在于,所述的有机载体包含乙基纤维素、邻位苯二甲酸二丁酯及松油醇。
8. 如权利要求4所述的导电胶带的制造方法,其特征在于,所述的胶粘剂的制备方法包括:将丙烯酸丁酯、丙烯酸-2-乙基已酯、醋酸乙烯、甲基丙烯酸缩水甘油酯、丙烯酸、过氧化苯甲酰、甲苯及醋酸乙酯混合均匀分散后得到该胶粘剂。
9. 如权利要求4所述的导电胶带的制造方法,其特征在于,所述的碳纳米材料可选自碳纳米管、碳纳米球或两者的混合物。
10. 如权利要求9所述的导电胶带的制造方法,其特征在于,所述的碳纳米管可选自多壁碳纳米管、单壁碳纳米管或两者的混合物。
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CN2007100737696A CN101275060B (zh) | 2007-03-30 | 2007-03-30 | 导电胶带及其制造方法 |
US11/967,123 US20080241507A1 (en) | 2007-03-30 | 2007-12-29 | Conductive tape and method for making the same |
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CN108520692A (zh) * | 2018-04-03 | 2018-09-11 | 深圳昌茂粘胶新材料有限公司 | 双导电双屏蔽不干胶标签材料及其制备方法 |
JP2018172589A (ja) * | 2017-03-31 | 2018-11-08 | 日本ゼオン株式会社 | 貼り合わせ方法 |
CN111019550A (zh) * | 2019-11-26 | 2020-04-17 | 太仓斯迪克新材料科技有限公司 | 一种高粘性抗静电胶带 |
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CN108877990A (zh) * | 2018-05-24 | 2018-11-23 | 江苏时瑞电子科技有限公司 | 一种石墨烯纳米银导电浆料及其制备方法 |
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CH500973A (de) * | 1966-10-31 | 1970-12-31 | Ciba Geigy Ag | Verfahren zur Herstellung neuer Derivate von Phenylessigsäuren |
AU508879B2 (en) * | 1976-06-21 | 1980-04-03 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Electro-thermosensitive recording materials |
JPS57137849A (en) * | 1981-02-19 | 1982-08-25 | Nissan Motor Co Ltd | Element of film construction oxygen sensor |
EP1233997B1 (en) * | 1999-09-20 | 2003-09-03 | General Electric Company | Method for purification of aromatic polyethers |
JP4746738B2 (ja) * | 2000-10-10 | 2011-08-10 | リンテック株式会社 | 耐放射線性粘着剤及びこれを用いた粘着製品 |
CN1296994C (zh) * | 2002-11-14 | 2007-01-24 | 清华大学 | 一种热界面材料及其制造方法 |
US20050062024A1 (en) * | 2003-08-06 | 2005-03-24 | Bessette Michael D. | Electrically conductive pressure sensitive adhesives, method of manufacture, and use thereof |
WO2005015574A1 (en) * | 2003-08-08 | 2005-02-17 | General Electric Company | Electrically conductive compositions comprising carbon nanotubes and method of manufacture thereof |
CN100383213C (zh) * | 2004-04-02 | 2008-04-23 | 清华大学 | 一种热界面材料及其制造方法 |
US7481952B2 (en) * | 2004-04-29 | 2009-01-27 | Compagnie Plastic Omnium | Electrically conductive PTFE tape |
US7326369B2 (en) * | 2005-03-07 | 2008-02-05 | National Starch And Chemical Investment Holding Corporation | Low stress conductive adhesive |
CN1837147B (zh) * | 2005-03-24 | 2010-05-05 | 清华大学 | 热界面材料及其制备方法 |
-
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JP2018172589A (ja) * | 2017-03-31 | 2018-11-08 | 日本ゼオン株式会社 | 貼り合わせ方法 |
CN108520692A (zh) * | 2018-04-03 | 2018-09-11 | 深圳昌茂粘胶新材料有限公司 | 双导电双屏蔽不干胶标签材料及其制备方法 |
CN111019550A (zh) * | 2019-11-26 | 2020-04-17 | 太仓斯迪克新材料科技有限公司 | 一种高粘性抗静电胶带 |
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