CN108070127A - 一种高强度耐老化聚乙烯电缆料及其制备方法 - Google Patents

一种高强度耐老化聚乙烯电缆料及其制备方法 Download PDF

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CN108070127A
CN108070127A CN201611001174.5A CN201611001174A CN108070127A CN 108070127 A CN108070127 A CN 108070127A CN 201611001174 A CN201611001174 A CN 201611001174A CN 108070127 A CN108070127 A CN 108070127A
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高启新
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Abstract

本发明公开了一种高强度耐老化聚乙烯电缆料,由下列重量份的原料制成:由下列重量份的原料制成:高密度聚乙烯22‑36、聚乙烯醇缩丁醛9‑16、硅橡胶15‑20、纳米氧化锌4‑8、玻璃纤维 2‑4、三烯丙基异氰脲酸酯2‑3、γ‑甲基丙烯酰氧丙基三甲氧基硅烷7‑9、二乙基二硫代氨基甲酸锌0.5‑1、偏苯三酸三辛酯1‑2、硼硅酸铝晶须2‑9、氢氧化铝10‑15、二硫化钼3‑6、助剂10‑15;本发明电缆料的机械强度高,适应的温度范围广,具有高阻燃、难燃、热稳定性好、耐老化、电绝缘性能优良等优点。

Description

一种高强度耐老化聚乙烯电缆料及其制备方法
技术领域
本发明涉及电缆领域,特别是一种高强度耐老化聚乙烯电缆料及其制备方法。
背景技术
近年来,人们发现火灾事故中的人员致死原因 80%以上与材料产生的浓烟和有毒气体有关。随着我国现代工业的迅速发展,安全防患措施也应越来越完善,在许多大型公共场所,为避免电缆着火造成的二次灾难(电缆燃烧时产生大量的烟雾和酸性气体),对专供传输电能和通讯信号使用的电线电缆,不仅要求具有在电缆及周围环境着火时,具有可阻止火焰蔓延等阻燃性能,并能维持电缆继续传输电能和通讯信号,而且在燃烧时还应具有低发烟量,产生气体腐蚀性低,利于工作人员安全撤离现场的性能,而且一旦不慎发生火灾时不会产生大量烟雾,严重的腐蚀性气体和有毒气体,造成人们生命财产的损害。然而现有的阻燃电缆料存在机械强度低,不耐老化的问题影响其实际使用。
发明内容
本发明的目的在于克服现有技术中所存在的上述不足,提供一种高强度耐老化聚乙烯电缆料。该电缆料具有机械强度高,适应的温度范围广,高阻燃、难燃、热稳定性好、耐老化、电绝缘性能优良等优点。本发明还同时提供了该高强度耐老化聚乙烯电缆料的制备方法。
为了实现上述发明目的,本发明提供了以下技术方案:
一种高强度耐老化聚乙烯电缆料,由下列重量份的原料制成:高密度聚乙烯22-36、聚乙烯醇缩丁醛9-16、硅橡胶15-20、纳米氧化锌4-8、玻璃纤维 2-4、三烯丙基异氰脲酸酯2-3、γ-甲基丙烯酰氧丙基三甲氧基硅烷7-9、二乙基二硫代氨基甲酸锌0.5-1、偏苯三酸三辛酯1-2、硼硅酸铝晶须2-9、氢氧化铝10-15、二硫化钼3-6、助剂10-15;
所述助剂由下列重量份的原料制成:透辉石粉10-15、丙氧基多官能团丙烯酸酯 2-5、三烯丙基异氰脲酸酯3-7、活性白土2-3,异丙基二油酸酰氧基(二辛基磷酸酰氧基)钛酸酯1-3、安息香酸铵2-5;制备方法是将透辉石粉送入煅烧炉中在780-820℃下煅烧2-3小时,取出,送入12-16%稀硫酸中浸泡1-2小时,过滤得滤渣,用清水洗涤,烘干,粉碎成150-180目粉末,再将烘干的粉体与丙氧基多官能团丙烯酸酯 、三烯丙基异氰脲酸酯、安息香酸铵混合,研磨1-2小时,再加入其它剩余成分,混合研磨1-2小时,即得。
本发明的另一目的在于提供一种上述高强度耐老化聚乙烯电缆料的制备方法,由以下具体步骤制成:
(1)将高密度聚乙烯加热至熔融状态,加入聚乙烯醇缩丁醛、硅橡胶、纳米氧化锌、玻璃纤维、三烯丙基异氰脲酸酯、γ-甲基丙烯酰氧丙基三甲氧基硅烷、助剂,搅拌捏合30-45分钟,送入双螺杆挤出机造粒,得到A料;
(2)将其余剩余成分加热混合熔融,搅拌5-8分钟,送入双螺杆挤出机上熔融挤出造粒,得到B料;
(3)将A、B料混合均匀后,设定上阶双螺杆加工温度为150-170℃,下阶单螺杆温度为140-160℃,在双螺杆挤出机上熔融挤出造粒,即得。
与现有技术相比,本发明的有益效果:
本发明电缆料的机械强度高,适应的温度范围广,具有高阻燃、难燃、热稳定性好、耐老化、电绝缘性能优良等优点。
具体实施方式
下面结合试验例及具体实施方式对本发明作进一步的详细描述。但不应将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明内容所实现的技术均属于本发明的范围。
实施例1
一种高强度耐老化聚乙烯电缆料,其特征在于,由下列重量份的原料制成:高密度聚乙烯27、聚乙烯醇缩丁醛13、硅橡胶16、纳米氧化锌5、玻璃纤维 3、三烯丙基异氰脲酸酯2、γ-甲基丙烯酰氧丙基三甲氧基硅烷8、二乙基二硫代氨基甲酸锌0.8、偏苯三酸三辛酯1、硼硅酸铝晶须4、氢氧化铝12、二硫化钼4、助剂12;
所述助剂由下列重量份的原料制成:透辉石粉13、丙氧基多官能团丙烯酸酯 3、三烯丙基异氰脲酸酯4、活性白土2.5,异丙基二油酸酰氧基(二辛基磷酸酰氧基)钛酸酯2、安息香酸铵4;制备方法是将透辉石粉送入煅烧炉中在810℃下煅烧2小时,取出,送入13%稀硫酸中浸泡1小时,过滤得滤渣,用清水洗涤,烘干,粉碎成170目粉末,再将烘干的粉体与丙氧基多官能团丙烯酸酯 、三烯丙基异氰脲酸酯、安息香酸铵混合,研磨1小时,再加入其它剩余成分,混合研磨1小时,即得。
上述高强度耐老化聚乙烯电缆料,由以下具体步骤制成:
(1)将高密度聚乙烯加热至熔融状态,加入聚乙烯醇缩丁醛、硅橡胶、纳米氧化锌、玻璃纤维、三烯丙基异氰脲酸酯、γ-甲基丙烯酰氧丙基三甲氧基硅烷、助剂,搅拌捏合35分钟,送入双螺杆挤出机造粒,得到A料;
(2)将其余剩余成分加热混合熔融,搅拌7分钟,送入双螺杆挤出机上熔融挤出造粒,得到B料;
(3)将A、B料混合均匀后,设定上阶双螺杆加工温度为160℃,下阶单螺杆温度为155℃在双螺杆挤出机上熔融挤出造粒,即得。
上述高强度耐老化聚乙烯电缆料的性能测试如下:
拉伸强度(MPa):35.7;断裂伸长率(%):260;氧指数(%):55;热稳定(200℃):150℃;热变形:30。

Claims (2)

1.一种高强度耐老化聚乙烯电缆料,其特征在于,由下列重量份的原料制成:高密度聚乙烯22-36、聚乙烯醇缩丁醛9-16、硅橡胶15-20、纳米氧化锌4-8、玻璃纤维 2-4、三烯丙基异氰脲酸酯2-3、γ-甲基丙烯酰氧丙基三甲氧基硅烷7-9、二乙基二硫代氨基甲酸锌0.5-1、偏苯三酸三辛酯1-2、硼硅酸铝晶须2-9、氢氧化铝10-15、二硫化钼3-6、助剂10-15;
所述助剂由下列重量份的原料制成:透辉石粉10-15、丙氧基多官能团丙烯酸酯 2-5、三烯丙基异氰脲酸酯3-7、活性白土2-3,异丙基二油酸酰氧基(二辛基磷酸酰氧基)钛酸酯1-3、安息香酸铵2-5;制备方法是将透辉石粉送入煅烧炉中在780-820℃下煅烧2-3小时,取出,送入12-16%稀硫酸中浸泡1-2小时,过滤得滤渣,用清水洗涤,烘干,粉碎成150-180目粉末,再将烘干的粉体与丙氧基多官能团丙烯酸酯 、三烯丙基异氰脲酸酯、安息香酸铵混合,研磨1-2小时,再加入其它剩余成分,混合研磨1-2小时,即得。
2.根据权利要求1所述高强度耐老化聚乙烯电缆料,其特征在于,由以下具体步骤制成:
(1)将高密度聚乙烯加热至熔融状态,加入聚乙烯醇缩丁醛、硅橡胶、纳米氧化锌、玻璃纤维、三烯丙基异氰脲酸酯、γ-甲基丙烯酰氧丙基三甲氧基硅烷、助剂,搅拌捏合30-45分钟,送入双螺杆挤出机造粒,得到A料;
(2)将其余剩余成分加热混合熔融,搅拌5-8分钟,送入双螺杆挤出机上熔融挤出造粒,得到B料;
(3)将A、B料混合均匀后,设定上阶双螺杆加工温度为150-170℃,下阶单螺杆温度为140-160℃,在双螺杆挤出机上熔融挤出造粒,即得。
CN201611001174.5A 2016-11-16 2016-11-16 一种高强度耐老化聚乙烯电缆料及其制备方法 Withdrawn CN108070127A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108841032A (zh) * 2018-05-29 2018-11-20 杭州鼎好新材料有限公司 一种高强度聚乙烯材料及其制备方法
CN109776920A (zh) * 2019-01-23 2019-05-21 上海邦中新材料有限公司 一种阻燃聚乙烯包装膜及其制备方法
CN111748139A (zh) * 2020-07-04 2020-10-09 上海方之德新材料有限公司 一种低收缩pe护套料

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108841032A (zh) * 2018-05-29 2018-11-20 杭州鼎好新材料有限公司 一种高强度聚乙烯材料及其制备方法
CN109776920A (zh) * 2019-01-23 2019-05-21 上海邦中新材料有限公司 一种阻燃聚乙烯包装膜及其制备方法
CN111748139A (zh) * 2020-07-04 2020-10-09 上海方之德新材料有限公司 一种低收缩pe护套料
CN111748139B (zh) * 2020-07-04 2023-02-10 上海方之德新材料有限公司 一种低收缩pe护套料

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WW01 Invention patent application withdrawn after publication