CN104844976A - 一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料及其制备方法 - Google Patents

一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料及其制备方法 Download PDF

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CN104844976A
CN104844976A CN201510285449.1A CN201510285449A CN104844976A CN 104844976 A CN104844976 A CN 104844976A CN 201510285449 A CN201510285449 A CN 201510285449A CN 104844976 A CN104844976 A CN 104844976A
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polyvinyl chloride
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butadiene rubber
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sheath material
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杜宜敏
吴庆国
练高兵
汪万敏
陶周红
张雨
魏冬冬
王文俊
石金霞
张燕
琚一雄
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Hefei Deren Electronic Devices Co Ltd
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    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
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    • H01ELECTRIC ELEMENTS
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料,由下列重量份的原料制成:聚氯乙烯65-70、丁腈橡胶20-25、碱木质素2-2.5、癸酸甘油三酯2-2.5、三烯丙基异氰脲酸酯2.5-3、过氧化二异丙苯0.3-0.6、丁二酸酐1-1.5、丙烯酸酯橡胶3-4。本发明护套料将聚氯乙烯、丁腈橡胶进行二次交联复合,无需硫化,从而大大简化了工装设备与工艺,提高了效率,降低了成本,而且强度高,耐油性好,比单纯使用聚氯乙烯,具有更好的柔软性、弹性,安装使用方便;通过使用碱木质素、丁二酸酐、丙烯酸酯橡胶,提高了护套料的耐热性,延缓热老化。

Description

一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料及其制备方法
技术领域
本发明涉及电缆护套料领域,尤其涉及一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料及其制备方法。
背景技术
橡皮电缆以其柔软,具有弹性、耐摩擦而被广泛应用于中、低压的需频繁移动的电力线路之中,例如船用电缆、地铁用电缆、矿山用电缆、电焊机用电缆、摄影棚用电缆等.而塑料电缆则以其电气性能优越,机械强度高而被广泛应用于中、高压的,固定敷设的电力线路之中,各自在国民经济各部门中发挥着极其重要的作用。在塑料电缆当中,尽管近年来交联聚乙烯电力电缆得到了长足的发展,但聚氯乙烯绝缘、聚氯乙烯护套电力电缆仍在发挥着重要的作用,尤其在低压线路当中,聚氯乙烯电线、电缆仍占据着主导地位.就生产工艺而言,橡皮电缆与交联聚乙烯电缆都比较复杂,都需要较大的设备投资。相对而言,聚氯乙烯电缆的生产工艺就要简单得多,由于它无需硫化,设备投资就小得多,生产成本就相应低得多.
除此之外,聚氯乙烯电缆相对橡皮电缆而言,所用电缆料可以工业化批量生产,而橡料则不然,它只能是电缆厂家自产自用,且由于橡料原材料品种多,也给生产带来不便. 尽管聚氯乙烯电缆在生产上有独特的优点,但就用途而言,它仍然无法替代橡皮电缆,原因就在于聚氯乙烯电缆的柔软性、弹性无法与橡皮电缆比拟。
根据橡塑复合的原理,《聚氯乙烯-丁腈橡胶复合弹性体电缆料的研究》一文使用聚氯乙烯与丁腈橡胶进行复合,无需硫化,得到了弹性、柔软性、耐油性好的电缆料。但是该复合材料只是进行简单的复合,拉伸强度、气密性、防潮性、耐老化性、耐磨性等性能还是不够好,不能满足现代工业对通讯电缆的要求,需要进行改进。
发明内容
本发明的目的在于提供一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料,该护套料强度高,耐油性好,比单纯使用聚氯乙烯,具有更好的柔软性、弹性,安装使用方便,拉伸强度高,耐热性好。
本发明的技术方案如下:
一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料,其特征在于由下列重量份的原料制成:聚氯乙烯65-70、丁腈橡胶20-25、碱木质素2-2.5、癸酸甘油三酯2-2.5、三烯丙基异氰脲酸酯2.5-3、过氧化二异丙苯0.3-0.6、丁二酸酐1-1.5、丙烯酸酯橡胶3-4。
所述的耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料的生产方法,其特征在于:
(1)将丁腈橡胶、碱木质素、丙烯酸酯橡胶、丁二酸酐、1/4的三烯丙基异氰脲酸酯、1/4的过氧化二异丙苯送入混炼机,在160-165℃下混炼3-4min,得到交联改性丁腈橡胶;
(2)将聚氯乙烯、癸酸甘油三酯、1/2的三烯丙基异氰脲酸酯、1/2的过氧化二异丙苯送入混炼机,在160-165℃下混炼3-4min,得到交联改性聚氯乙烯;
(3)将第(1)步和第(2)步得到的物料与其他剩余送入混炼机,在160-165℃下混炼3-4min,送入双螺杆挤出机,挤出造粒;
(4)将第(3)步得到的粒料在160-165℃下热压5-6min,成形,送入烘箱,在110-115℃下老化45-50h,即得。
本发明的有益效果
本发明护套料将聚氯乙烯、丁腈橡胶进行二次交联复合,无需硫化,从而大大简化了工装设备与工艺,提高了效率,降低了成本,而且强度高,耐油性好,比单纯使用聚氯乙烯,具有更好的柔软性、弹性,安装使用方便;通过使用碱木质素、丁二酸酐、丙烯酸酯橡胶,提高了护套料的耐热性,延缓热老化。
具体实施方式
一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料,由下列重量份(公斤)的原料制成:聚氯乙烯67、丁腈橡胶23、碱木质素2.3、癸酸甘油三酯2.3、三烯丙基异氰脲酸酯2.7、过氧化二异丙苯0.4、丁二酸酐1.3、丙烯酸酯橡胶3.5。
所述的耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料的生产方法,其特征在于:
(1)将丁腈橡胶、碱木质素、丙烯酸酯橡胶、丁二酸酐、1/4的三烯丙基异氰脲酸酯、1/4的过氧化二异丙苯送入混炼机,在165℃下混炼3min,得到交联改性丁腈橡胶;
(2)将聚氯乙烯、癸酸甘油三酯、1/2的三烯丙基异氰脲酸酯、1/2的过氧化二异丙苯送入混炼机,在165℃下混炼3min,得到交联改性聚氯乙烯;
(3)将第(1)步和第(2)步得到的物料与其他剩余送入混炼机,在160℃下混炼3min,送入双螺杆挤出机,挤出造粒;
(4)将第(3)步得到的粒料在160℃下热压5min,成形,送入烘箱,在110℃下老化48h,即得。
实验数据:
经测试该护套料的断裂伸长率为475%,电阻率(1012Ω°cm)为0.478,电介质损耗为0.091,抗张强度(MPa)为17,老化系数为1.05。

Claims (2)

1.一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料,其特征在于由下列重量份的原料制成:聚氯乙烯65-70、丁腈橡胶20-25、碱木质素2-2.5、癸酸甘油三酯2-2.5、三烯丙基异氰脲酸酯2.5-3、过氧化二异丙苯0.3-0.6、丁二酸酐1-1.5、丙烯酸酯橡胶3-4。
2.根据权利要求1所述的耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料的生产方法,其特征在于:
(1)将丁腈橡胶、碱木质素、丙烯酸酯橡胶、丁二酸酐、1/4的三烯丙基异氰脲酸酯、1/4的过氧化二异丙苯送入混炼机,在160-165℃下混炼3-4min,得到交联改性丁腈橡胶;
(2)将聚氯乙烯、癸酸甘油三酯、1/2的三烯丙基异氰脲酸酯、1/2的过氧化二异丙苯送入混炼机,在160-165℃下混炼3-4min,得到交联改性聚氯乙烯;
(3)将第(1)步和第(2)步得到的物料与其他剩余送入混炼机,在160-165℃下混炼3-4min,送入双螺杆挤出机,挤出造粒;
(4)将第(3)步得到的粒料在160-165℃下热压5-6min,成形,送入烘箱,在110-115℃下老化45-50h,即得。
CN201510285449.1A 2015-05-29 2015-05-29 一种耐热通讯电缆用丁腈橡胶改性聚氯乙烯护套料及其制备方法 Pending CN104844976A (zh)

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CN105111633A (zh) * 2015-09-24 2015-12-02 界首市芮齐塑胶有限公司 一种新型改性塑料
CN105542368A (zh) * 2016-02-01 2016-05-04 安徽红旗电缆集团有限公司 一种耐油耐老化绝缘电缆保护层材料制备方法
CN108517057A (zh) * 2018-04-24 2018-09-11 苏州耐思特塑胶有限公司 一种阻燃抗老化的电子连接线护套材料及其制备方法
CN108538470A (zh) * 2018-04-26 2018-09-14 苏州耐思特塑胶有限公司 一种高耐热老化性和韧性的电子连接线
CN108666034A (zh) * 2018-04-24 2018-10-16 苏州耐思特塑胶有限公司 一种阻燃耐热的电子连接线
CN108707299A (zh) * 2018-04-24 2018-10-26 苏州耐思特塑胶有限公司 一种硬质同轴线缆阻燃护套材料及其制备方法

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CN102746546A (zh) * 2012-06-15 2012-10-24 安徽华通电缆集团有限公司 一种无卤环保型风力发电用电力电缆料及其制备方法
CN103509274A (zh) * 2013-08-30 2014-01-15 安徽天民电气科技有限公司 一种耐油耐寒防紫外线聚氯乙烯/丁腈橡胶复合电缆料及其制备方法

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CN102746546A (zh) * 2012-06-15 2012-10-24 安徽华通电缆集团有限公司 一种无卤环保型风力发电用电力电缆料及其制备方法
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105111633A (zh) * 2015-09-24 2015-12-02 界首市芮齐塑胶有限公司 一种新型改性塑料
CN105542368A (zh) * 2016-02-01 2016-05-04 安徽红旗电缆集团有限公司 一种耐油耐老化绝缘电缆保护层材料制备方法
CN108517057A (zh) * 2018-04-24 2018-09-11 苏州耐思特塑胶有限公司 一种阻燃抗老化的电子连接线护套材料及其制备方法
CN108666034A (zh) * 2018-04-24 2018-10-16 苏州耐思特塑胶有限公司 一种阻燃耐热的电子连接线
CN108707299A (zh) * 2018-04-24 2018-10-26 苏州耐思特塑胶有限公司 一种硬质同轴线缆阻燃护套材料及其制备方法
CN108538470A (zh) * 2018-04-26 2018-09-14 苏州耐思特塑胶有限公司 一种高耐热老化性和韧性的电子连接线

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