CN105694462A - 一种导电橡胶材料的制备方法 - Google Patents

一种导电橡胶材料的制备方法 Download PDF

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CN105694462A
CN105694462A CN201610189343.6A CN201610189343A CN105694462A CN 105694462 A CN105694462 A CN 105694462A CN 201610189343 A CN201610189343 A CN 201610189343A CN 105694462 A CN105694462 A CN 105694462A
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Abstract

本发明涉及一种导电橡胶材料的制备方法，该方法包括：称取硅橡胶800克、N-{3-[(4-氨基-7H-吡咯并[2,3-d]嘧啶-5-基)乙炔基]苯基}-3-氯苯甲酰胺颗粒60克、导电石墨30克、炭黑150克、碳酸钙50克、N-苯基-α-苯胺150克、邻苯二甲酸二丁酯30克、二乙基二硫代氨基甲酸锌20克、2-硫醇基咪唑啉20克、过氧化二异丙苯50克；将双辊开炼机的前辊温控制在120℃，后辊温控制在110℃，将上述材料加入双辊开炼机中，薄通5次，然后静置5小时，转移到QLB-D400X 400X 2型平板硫化机中压制片材，平板硫化机模板温度为140℃，模压力为0.5Mpa，模压时间10分钟。

Description

一种导电橡胶材料的制备方法
技术领域
本发明涉及橡胶领域，具体的说，本发明涉及一种导电橡胶材料的制备方法。
背景技术
橡胶是具有可逆形变的高弹性聚合物材料，在室温下富有弹性，在很小的外力作用下能产生较大形变，除去外力后能恢复原状。橡胶属于完全无定型聚合物，它的玻璃化转变温度低，分子量往往很大，大于几十万，但是现有技术要使橡胶具备理化特性良好，具有很强的耐热、耐水、耐腐蚀、耐老化等方面的特点，那么橡胶产品在生产过程中，其工艺生产技术的要求就比较高，而且橡胶的生产制备方法较为复杂，生产污染严重且制备率较低，20世纪60年代开发的热塑性橡胶，无需化学硫化，而采用热塑性塑料的加工方法成形，橡胶按使用又分为通用型和特种型两类，是绝缘体，不容易导电，但如果沾水或不同的温度的话，有可能变成导体，导电是关于物质内部分子或离子的电子的传导容易情况，橡胶的分子链可以交联，交联后的橡胶受外力作用发生变形时，具有迅速复原的能力，并具有良好的物理力学性能和化学稳定性，橡胶是橡胶工业的基本原料，广泛用于制造轮胎、胶管、胶带、电缆及其他各种橡胶制品，橡胶按原料分为天然橡胶和合成橡胶，按形态分为块状生胶、乳胶、液体橡胶和粉末橡胶，乳胶为橡胶的胶体状水分散体，液体橡胶为橡胶的低聚物，未硫化前一般为粘稠的液体，粉末橡胶是将乳胶加工成粉末状，以利配料和加工制作。
发明内容
本发明的目的在于提供一种导电橡胶材料的制备方法。
为了实现本发明的目的，本发明提供一种导电橡胶材料的制备方法，该方法可以包括：称取硅橡胶800克、N-{3-[(4-氨基-7H-吡咯并[2,3-d]嘧啶-5-基)乙炔基]苯基}-3-氯苯甲酰胺颗粒60克、导电石墨30克、炭黑150克、碳酸钙50克、N-苯基-α-苯胺150克、邻苯二甲酸二丁酯30克、二乙基二硫代氨基甲酸锌20克、2-硫醇基咪唑啉20克、过氧化二异丙苯50克；将双辊开炼机的前辊温控制在120℃，后辊温控制在110℃，将上述材料加入双辊开炼机中，薄通5次，然后静置5小时，转移到QLB-D400X400X2型平板硫化机中压制片材，平板硫化机模板温度为140℃，模压力为0.5Mpa，模压时间10分钟。
本发明所述的导电橡胶材料具体耐热、耐寒、耐臭氧、耐老化性，可广泛用于橡胶开关、接点橡胶、压力传感器、燃烧电线芯材等，其导电性能优良，不会出现开裂。
具体实施方式
以下通过具体实施方式的描述对本发明作进一步说明，但这并非是对本发明的限制，本领域技术人员根据本发明的基本思想，可以做出各种修改或改进，但是只要不脱离本发明的基本思想，均在本发明的范围之内。
实施例1
称取硅橡胶800克、N-{3-[(4-氨基-7H-吡咯并[2,3-d]嘧啶-5-基)乙炔基]苯基}-3-氯苯甲酰胺颗粒60克、导电石墨30克、炭黑150克、碳酸钙50克、N-苯基-α-苯胺150克、邻苯二甲酸二丁酯30克、二乙基二硫代氨基甲酸锌20克、2-硫醇基咪唑啉20克、过氧化二异丙苯50克；
将双辊开炼机的前辊温控制在120℃，后辊温控制在110℃，将上述材料加入双辊开炼机中，薄通5次，然后静置5小时，转移到QLB-D400X400X2型平板硫化机中压制片材，平板硫化机模板温度为140℃，模压力为0.5Mpa，模压时间10分钟。
实施例2
按照和实施例1相同的方式制备导电橡胶材料，不同之处在于不使用N-{3-[(4-氨基-7H-吡咯并[2,3-d]嘧啶-5-基)乙炔基]苯基}-3-氯苯甲酰胺。
实验例
性能测试
(1)ASTMD412-1998(2002)来测定橡胶的拉伸强度；
(2)GB/T1692-1992来测定橡胶绝缘电阻率。
结果
实施例1的样品：拉伸强度为23.6Mpa，体积电阻率为3.9×107Ω·cm。
实施例2的样品：拉伸强度为15.8Mpa，体积电阻率为8.8×109Ω·cm。
由上述结果可见，在加入导电颗粒之后，橡胶的强度和导电性得到显著增强，并且加入前和加入后结果进行比较，差异具有统计学意义(P<0.05)。

Claims (1)

1.一种导电橡胶材料的制备方法，该方法可以包括：称取硅橡胶800克、N-{3-[(4-氨基-7H-吡咯并[2,3-d]嘧啶-5-基)乙炔基]苯基}-3-氯苯甲酰胺颗粒60克、导电石墨30克、炭黑150克、碳酸钙50克、N-苯基-α-苯胺150克、邻苯二甲酸二丁酯30克、二乙基二硫代氨基甲酸锌20克、2-硫醇基咪唑啉20克、过氧化二异丙苯50克；将双辊开炼机的前辊温控制在120℃，后辊温控制在110℃，将上述材料加入双辊开炼机中，薄通5次，然后静置5小时，转移到QLB-D400X400X2型平板硫化机中压制片材，平板硫化机模板温度为140℃，模压力为0.5Mpa，模压时间10分钟。
CN201610189343.6A 2016-03-29 2016-03-29 一种导电橡胶材料的制备方法 Withdrawn CN105694462A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109021570A (zh) * 2018-06-11 2018-12-18 东莞市仲壹实业有限公司 一种导电橡胶材料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109021570A (zh) * 2018-06-11 2018-12-18 东莞市仲壹实业有限公司 一种导电橡胶材料及其制备方法

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Application publication date: 20160622