CN107474542A - 导电橡胶组合物 - Google Patents

导电橡胶组合物 Download PDF

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CN107474542A
CN107474542A CN201710740801.5A CN201710740801A CN107474542A CN 107474542 A CN107474542 A CN 107474542A CN 201710740801 A CN201710740801 A CN 201710740801A CN 107474542 A CN107474542 A CN 107474542A
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陈永亮
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LIUZHOU ZHONGPEI RUBBER PARTS MANUFACTURING Co Ltd
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    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
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    • C—CHEMISTRY; METALLURGY
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
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    • C08K2003/085—Copper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract

本发明公开了一种导电橡胶组合物，涉及化学化工技术领域。这种导电橡胶组合物，包括如下重量份的原料：天然橡胶40～60份，硅橡胶60～90份，乙炔炭黑5～10份，纳米氧化锌2～8份，锐钛型二氧化钛2～8份，硫磺2～8份，导电颗粒3～6份，二甲基硅油2～6份，羟基硅油2～6份，抗老化剂1～5份，硫化剂1～5份。本发明解决了导电橡胶组合物抗菌抗霉变效果不好的问题。

Description

导电橡胶组合物
技术领域
本发明涉及化学化工技术领域，尤其是一种导电橡胶组合物。
背景技术
橡胶是优良的绝缘体，体积电阻大于10的14次左右，导电橡胶通常是指体积电阻在10的9次欧姆厘米以内。导电橡胶分为防静电级别导电橡胶和导电炭黑填充的导电橡胶：防静电级别导电橡胶的体积电阻在10的5次至10的9次方之间，导电炭黑填充的导电橡胶体积电阻通常可保持在几千欧，甚至更低至一二百欧，再低低于50欧姆厘米的已经是难度非常大。当体积电阻低于10欧姆厘米以下时，导电橡胶即具有电磁屏蔽功能，主要用于电磁屏蔽场合，也用于微波炉、机箱、机柜、方舱等电子和微波波导系统，连接器衬垫等。目前对导电橡胶性能改善的研究方向主要集中在抗拉强度、硬度、伸长率等方面，鲜见有针对抗菌抗霉变的报道。
发明内容
本发明所要解决的技术问题是提供一种抗菌抗霉变的导电橡胶组合物。
为了解决上述问题，本发明所采用的技术方案是：这种导电橡胶组合物，包括如下重量份的原料：天然橡胶40～60份，硅橡胶60～90份，乙炔炭黑5～10份，纳米氧化锌2～8份，锐钛型二氧化钛2～8份，硫磺2～8份，导电颗粒3～6份，二甲基硅油2～6份，羟基硅油2～6份，抗老化剂1～5份，硫化剂1～5份。
上述技术方案中，更具体的技术方案还可以是：所述抗老化剂为硫代二丙酸双十二烷酯、三（2 ,4- 二叔丁基苯基）亚磷酸酯、二丁基羟基甲苯的一种或多种混合物。
进一步的：所述导电颗粒为导电颗粒为铜粉、铝粉、镁粉的混合物，所述的铜粉、铝粉、镁粉的重量份数比为2：3：1。
由于采用了上述技术方案，本发明与现有技术相比具有如下有益效果：
1、本发明导电橡胶组合物制得的导电橡胶抗菌率≥99，可以作为强抗菌作用。
2、锐钛型二氧化钛作为一种新型的抗菌剂，在光照下，产生非常活泼的羟基自由基（·HO）、使有机物被氧化分解成H2O和CO2，有机物初始含有的S、P、N原子等被分别转化成SO4 2-、PO4 2-和NO3 -等无机盐类，从而达到抑制或杀菌的作用。具有性能快速、高效、广谱、持久、不会被消耗、无耐药性等优点，解决了常用无机抗菌剂杀菌速度慢和有机抗菌剂耐热性差，有效时间短等缺点。
3、纳米氧化锌作为一种新型的抗菌剂，抗菌机理有两种：一是通过离子溶出机理破坏细菌等有机物的结构和用于电子传递系统的酶并与-SH基反应，从而达到杀菌的目的；二是通过光照氧化机理，产生非常活泼的羟基自由基（·HO）、过氧离子（·O2 -）以及·O2H自由基，一次破坏微生物细胞的增殖能力，从而达到抑制或杀菌的作用。具有性能快速、高效、广谱、持久、不会被消耗、无耐药性等优点，解决了常用无机抗菌剂杀菌速度慢和有机抗菌剂耐热性差，有效时间短等缺点。
具体实施方式
以下结合具体实施例对本发明作进一步详述：
实施例1：
这种导电橡胶组合物，包括如下重量份的原料：天然橡胶40kg，硅橡胶60 kg，乙炔炭黑5 kg，纳米氧化锌2 kg，锐钛型二氧化钛2 kg，硫磺2 kg，二甲基硅油2 kg，羟基硅油2 kg，铜粉1 kg，铝粉1.5 kg，镁粉0.5 kg，硫代二丙酸双十二烷酯1 kg，硫化剂1 kg。
本实施例的导电橡胶组合物抗菌率为99.03。
实施例2：
这种导电橡胶组合物，包括如下重量份的原料：天然橡胶60 kg，硅橡胶90 kg，乙炔炭黑10 kg，纳米氧化锌8 kg，锐钛型二氧化钛8 kg，硫磺8 kg，铜粉2 kg，铝粉3kg，镁粉1 kg，二甲基硅油6 kg，羟基硅油6 kg，三（2 ,4- 二叔丁基苯基）亚磷酸酯5 kg，硫化剂5 kg。
本实施例的导电橡胶组合物抗菌率为99.31。
实施例3：
这种导电橡胶组合物，包括如下重量份的原料：天然橡胶40 kg，硅橡胶90 kg，乙炔炭黑5 kg，纳米氧化锌2 kg，锐钛型二氧化钛8 kg，硫磺5 kg，铜粉2 kg，铝粉3kg，镁粉1 kg，二甲基硅油4 kg，羟基硅油4 kg，二丁基羟基甲苯5 kg，硫化剂4 kg。
本实施例的导电橡胶组合物抗菌率为99.32。
实施例4：
这种导电橡胶组合物，包括如下重量份的原料：天然橡胶60 kg，硅橡胶90 kg，乙炔炭黑5 kg，纳米氧化锌8 kg，硫磺6 kg，铜粉1.2 kg，铝粉1.8 kg，镁粉0.6 kg，二甲基硅油6kg，羟基硅油6 kg，三（2 ,4- 二叔丁基苯基）亚磷酸酯2 kg，硫代二丙酸双十二烷酯2 kg，硫化剂4 kg。
本实施例的导电橡胶组合物抗菌率为99.17。
实施例5：
这种导电橡胶组合物，包括如下重量份的原料：天然橡胶60 kg，硅橡胶90 kg，乙炔炭黑5 kg，锐钛型二氧化钛8 kg，硫磺6 kg，铜粉1.4 kg，铝粉2.1kg，镁粉0.7 kg，二甲基硅油6kg，羟基硅油6 kg，三（2 ,4- 二叔丁基苯基）亚磷酸酯2 kg，二丁基羟基甲苯2 kg，硫化剂4 kg。
本实施例的导电橡胶组合物抗菌率为99.14。
实施例6：
这种导电橡胶组合物，包括如下重量份的原料：天然橡胶60 kg，硅橡胶90 kg，乙炔炭黑10 kg，硫磺8 kg，铜粉1.4 kg，铝粉2.1kg，镁粉0.7 kg，二甲基硅油6 kg，羟基硅油6 kg，硫代二丙酸双十二烷酯1 kg，三（2 ,4- 二叔丁基苯基）亚磷酸酯1 kg，二丁基羟基甲苯2kg，硫化剂3 kg。
本实施例的导电橡胶组合物抗菌率为79.11。

Claims (3)

1.一种导电橡胶组合物，其特征在于包括如下重量份的原料：天然橡胶40～60份，硅橡胶60～90份，乙炔炭黑5～10份，纳米氧化锌2～8份，锐钛型二氧化钛2～8份，硫磺2～8份，导电颗粒3～6份，二甲基硅油2～6份，羟基硅油2～6份，抗老化剂1～5份，硫化剂1～5份。
2.根据权利要求1所述的导电橡胶组合物，其特征在于：所述抗老化剂为硫代二丙酸双十二烷酯、三（2 ,4- 二叔丁基苯基）亚磷酸酯、二丁基羟基甲苯的一种或多种混合物。
3.根据权利要求1所述的导电橡胶组合物，其特征在于：所述导电颗粒为导电颗粒为铜粉、铝粉、镁粉的混合物，所述的铜粉、铝粉、镁粉的重量份数比为2：3：1。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103602069A (zh) * 2013-11-08 2014-02-26 苏州新颖新材料科技股份有限公司 一种导电抑菌橡胶薄膜的生产工艺
CN103665876A (zh) * 2013-11-29 2014-03-26 山东永泰化工有限公司 导电橡胶
CN105037970A (zh) * 2015-07-09 2015-11-11 安徽省华洋橡胶有限公司 一种抗菌丁基橡胶内胎料

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103602069A (zh) * 2013-11-08 2014-02-26 苏州新颖新材料科技股份有限公司 一种导电抑菌橡胶薄膜的生产工艺
CN103665876A (zh) * 2013-11-29 2014-03-26 山东永泰化工有限公司 导电橡胶
CN105037970A (zh) * 2015-07-09 2015-11-11 安徽省华洋橡胶有限公司 一种抗菌丁基橡胶内胎料

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
夏建明等: "《染整助剂及其应用》", 30 September 2013, 中国纺织出版社 *
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Application publication date: 20171215