CN105566832A - 一种电线电缆用硅橡胶 - Google Patents

一种电线电缆用硅橡胶 Download PDF

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CN105566832A
CN105566832A CN201610062123.7A CN201610062123A CN105566832A CN 105566832 A CN105566832 A CN 105566832A CN 201610062123 A CN201610062123 A CN 201610062123A CN 105566832 A CN105566832 A CN 105566832A
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夏建
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SUZHOU CHENGSHENG INFORMATION TECHNOLOGY Co Ltd
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Abstract

一种电线电缆用硅橡胶，它包括以下组份，甲基乙烯基硅胶、气相法白炭黑、硅灰石、丙烯酸、硬脂酸钠、氢氧化铝、引发剂、防老剂、阻燃剂、羟基硅油；本发明采用精确重量份数的甲基乙烯基硅胶、气相法白炭黑、硅灰石、丙烯酸、硬脂酸钠、氢氧化铝、引发剂、防老剂、阻燃剂和羟基硅油，并通过严谨的工艺步骤制作，极大的提高其机械性能，使得硅胶具有优异的阻燃、成瓷效果。

Description

一种电线电缆用硅橡胶
技术领域
本发明涉及一种硅橡胶，具体涉及一种电线电缆用硅橡胶。
背景技术
硅橡胶虽具有优异的耐热性、耐寒性、介电性、耐臭氧和耐大气老化等性能，硅橡胶突出的性能是使用温度宽广，能在-60℃（或更低的温度）至+250℃（或更高的温度）下长期使用。但硅橡胶的抗张强度和抗撕裂强度等机械性能较差，在常温下其物理机械性能不及大多数合成橡胶，且除腈硅、氟硅橡胶外，一般的硅橡胶耐油、耐溶剂性能欠佳，故硅橡胶不宜用于普通条件的场合。
发明内容
发明目的：本发明的目的主要针对现有技术中存在的不足，提供一种具有优异的阻燃和成瓷效果的电线电缆用硅橡胶。
技术方案：为了解决上述技术问题，本发明所述的一种电线电缆用硅橡胶，按重量份数计算，它包括以下组份，
（1）甲基乙烯基硅胶30-50份；
（2）气相法白炭黑10-30份；
（3）硅灰石20-30份；
（4）丙烯酸5-15份；
（5）硬脂酸钠5-10份；
（6）氢氧化铝1-5份；
（7）引发剂1-3份；
（8）防老剂5-8份；
（9）阻燃剂1-2份；
（10）羟基硅油5-10份；
其制备方法为，它包括以下步骤，
（1）先将甲基乙烯基硅胶、气相法白炭黑、硅灰石和丙烯酸加热预混合，加热温度为35℃；
（2）然后将硬脂酸钠、氢氧化铝和羟基硅油与步骤（1）中的混合物加热充分混合，加热温度为45℃；
（3）最后将引发剂、防老剂和阻燃剂与步骤（2）中的混合物加热充分混合，加热温度为55℃；
（4）薄通或薄通+三角包→下料→滤胶→停放→返炼→加硫化剂→出片。
所述引发剂为过氧化二异丙苯。
所述防老剂为防老剂MB。
所述阻燃剂为聚磷酸铵。
有益效果：本发明与现有技术相比，其显著优点是：本发明采用精确重量份数的甲基乙烯基硅胶、气相法白炭黑、硅灰石、丙烯酸、硬脂酸钠、氢氧化铝、引发剂、防老剂、阻燃剂和羟基硅油，并通过严谨的工艺步骤制作，极大的提高其机械性能，使得硅胶具有优异的阻燃、成瓷效果。
具体实施方式
以下通过实施例对本发明作进一步的阐述。
实施例1：
本发明所述的一种电线电缆用硅橡胶，其特征在于：按重量份数计算，它包括以下组份，
（1）甲基乙烯基硅胶35份；
（2）气相法白炭黑15份；
（3）硅灰石24份；
（4）丙烯酸7份；
（5）硬脂酸钠6份；
（6）氢氧化铝3份；
（7）引发剂2份；
（8）防老剂6份；
（9）阻燃剂1份；
（10）羟基硅油6份；
其制备方法为，它包括以下步骤，
（1）先将甲基乙烯基硅胶、气相法白炭黑、硅灰石和丙烯酸加热预混合，加热温度为35℃；
（2）然后将硬脂酸钠、氢氧化铝和羟基硅油与步骤（1）中的混合物加热充分混合，加热温度为45℃；
（3）最后将引发剂、防老剂和阻燃剂与步骤（2）中的混合物加热充分混合，加热温度为55℃；
（4）薄通→下料→滤胶→停放→返炼→加硫化剂→出片。
所述引发剂为过氧化二异丙苯。
所述防老剂为防老剂MB。
所述阻燃剂为聚磷酸铵。
实施例2：
本发明所述的一种电线电缆用硅橡胶，其特征在于：按重量份数计算，它包括以下组份，
（1）甲基乙烯基硅胶45份；
（2）气相法白炭黑25份；
（3）硅灰石28份；
（4）丙烯酸14份；
（5）硬脂酸钠8份；
（6）氢氧化铝4份；
（7）引发剂3份；
（8）防老剂7份；
（9）阻燃剂2份；
（10）羟基硅油7份；
其制备方法为，它包括以下步骤，
（1）先将甲基乙烯基硅胶、气相法白炭黑、硅灰石和丙烯酸加热预混合，加热温度为35℃；
（2）然后将硬脂酸钠、氢氧化铝和羟基硅油与步骤（1）中的混合物加热充分混合，加热温度为45℃；
（3）最后将引发剂、防老剂和阻燃剂与步骤（2）中的混合物加热充分混合，加热温度为55℃；
（4）薄通+三角包→下料→滤胶→停放→返炼→加硫化剂→出片。
所述引发剂为过氧化二异丙苯。
所述防老剂为防老剂MB。
所述阻燃剂为聚磷酸铵。
本发明采用精确重量份数的甲基乙烯基硅胶、气相法白炭黑、硅灰石、丙烯酸、硬脂酸钠、氢氧化铝、引发剂、防老剂、阻燃剂和羟基硅油，并通过严谨的工艺步骤制作，极大的提高其机械性能，使得硅胶具有优异的阻燃、成瓷效果。
本发明提供了一种思路及方法，具体实现该技术方案的方法和途径很多，以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围，本实施例中未明确的各组成部分均可用现有技术加以实现。

Claims (4)

1.一种电线电缆用硅橡胶，其特征在于：按重量份数计算，它包括以下组份，
（1）甲基乙烯基硅胶30-50份；
（2）气相法白炭黑10-30份；
（3）硅灰石20-30份；
（4）丙烯酸5-15份；
（5）硬脂酸钠5-10份；
（6）氢氧化铝1-5份；
（7）引发剂1-3份；
（8）防老剂5-8份；
（9）阻燃剂1-2份；
（10）羟基硅油5-10份；
其制备方法为，它包括以下步骤，
（1）先将甲基乙烯基硅胶、气相法白炭黑、硅灰石和丙烯酸加热预混合，加热温度为35℃；
（2）然后将硬脂酸钠、氢氧化铝和羟基硅油与步骤（1）中的混合物加热充分混合，加热温度为45℃；
（3）最后将引发剂、防老剂和阻燃剂与步骤（2）中的混合物加热充分混合，加热温度为55℃；
（4）薄通或薄通+三角包→下料→滤胶→停放→返炼→加硫化剂→出片。
2.根据权利要求1所述的电线电缆用硅橡胶，其特征在于：所述引发剂为过氧化二异丙苯。
3.根据权利要求1所述的电线电缆用硅橡胶，其特征在于：所述防老剂为防老剂MB。
4.根据权利要求1所述的电线电缆用硅橡胶，其特征在于：所述阻燃剂为聚磷酸铵。
CN201610062123.7A 2016-01-29 2016-01-29 一种电线电缆用硅橡胶 Pending CN105566832A (zh)

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CN110387129A (zh) * 2019-06-17 2019-10-29 东莞市明盛电气有限公司 一种硅橡胶电线生产方法

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