CN106397925A - 充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法 - Google Patents
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Abstract
充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,通过前处理、除乙丙橡胶以外材料密炼、双螺杆机挤出、单螺杆机造粒,然后颗粒与乙丙橡胶开炼、双螺杆机挤出、单螺杆机造粒的工艺过程,从而制备充电桩电缆用无卤低烟阻燃交联聚烯烃护套料。本发明制备出来的产品具有耐酸、耐碱、耐油功能,符合125℃无卤低烟阻燃交联聚烯烃护套料性能,产品辐照剂量13‑15焦耳/千克,根据电线电缆产品的厚度、结构确定。
Description
技术领域
本发明属于高分子材料改性领域,尤其是涉及到一种充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法。
背景技术
随着电动汽车在我国的快速发展,相关配套产业迎来了新的发展机遇。作为电动汽车不可或缺的重要组成部分,电动汽车电缆自然也受到了极高关注。充电桩电缆料主要要考虑以下几个方面:
1、自然环境: 电动汽车充电用电缆因长期暴露在室外,在使用过程中,会遇到各种恶劣的自然环境,包括大昼夜温差变化、日光照射、风化、潮湿、酸雨、冰冻和海水等,这些自然环境会严重影响充电电缆的寿命和使用性能,甚至降低充电电缆的可靠性和安全性,造成财产损失和人身伤害。
2、人为环境: 充电电缆在使用过程中,因使用灵活,难免会存在人为弯曲、扭曲、拖拽甚至拉伸等现象,极易对充电电缆造成机械损伤;同时,充电电缆可能会受到人为造成的酸碱溶液的浸泡,影响电缆材料的性能,对充电电缆造成损伤。 电动汽车充电电缆使用环境相对恶劣,因此,对充电电缆的柔软性、挠曲性、机械性能以及耐蚀性等都有更高的要求。
3、安全要求: 目前,电动汽车的安全性已经成为业界重点关注的内容。电动汽车的充放电过程,因时间较长、电流强度较大,电缆使用频率高,其安全性应受到高度重视。电动汽车充电电缆在保证良好的绝缘性能基础上,应具有较高的耐热性和耐老化性,同时,在燃烧时应具有良好的低烟阻燃特性,以保证将损失和伤害降到最低。对于电缆要求,实际上就是对电缆料的要求,综合上述要求,充电桩电缆料需要同时具有:良好的机械性能好,柔然、阻燃、耐臭氧、耐酸、耐碱、耐油、耐热水、热收缩性能,普通的低烟无卤电缆料只具有较好的机械性能和阻燃性能。
发明内容
本发明的目的在于提供一种能够解决上述技术问题的充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法。
充电桩电缆用无卤低烟阻燃交联聚烯烃护套料,其特征在于:由包括以下重量份数组分制成:PE为10-15,EVA:为10-15,POE为5-10,乙丙橡胶5-10(树脂总量为40),阻燃硅烷1-2,氢氧化铝30-50,氢氧化镁0-10,液体交联剂3-5,交联助剂0.2-0.5,抗氧剂0.2-0.3,其它加工助剂1-2。 电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,通过前处理、除乙丙橡胶以外材料密炼、双螺杆机挤出、单螺杆机造粒,然后颗粒与乙丙橡胶开炼、双螺杆机挤出、单螺杆机造粒的工艺过程,从而制备充电桩电缆用无卤低烟阻燃交联聚烯烃护套料。 所述的PE为HDPE,EVA为VA含量为28的EVA,乙丙橡胶为三元乙丙橡胶,POE为熔融指数为4的POE。 所述的硅烷为带有阻燃功能的硅烷。 所述前处理是将氢氧化铝、氢氧化镁,通过高速搅拌,加入2%的阻燃硅烷到140℃,增加阻燃硅烷的量是使无机阻燃材料表面包裹一层耐油性阻燃硅烷,提高无机材料的剂耐酸、耐碱性。 采用液体阻燃剂和无机阻燃剂进行协同阻燃,减少无机阻燃剂的用量,提高产品的辐照的交联度。 所述的交联剂采用液体交联剂,在生产过程中保证交联剂分散均匀,提高产品的辐照的交联度。 所述的加工助剂全部为高分子助剂,分子不低于2000。 所述开炼是将原材料按照配方,除了乙丙橡胶外,其它原材料一起投入到密炼机,密炼到温度110-120℃,液体阻燃硅烷和液体阻燃剂一起加入。所述的双螺杆机挤出是将密炼好的混合料加入到双螺杆机挤出,双螺杆机6段温度设定为100-110℃、105-115℃、110-120℃、110-120℃、110-120℃、105-115℃。 所述的单螺杆机挤出是将双螺杆机挤出的料加入到单螺杆机挤出,单螺杆机4段温度设定为110-120℃、120-130℃、130-140℃、130-140℃。
本发明制备出来的产品具有耐酸、耐碱、耐油功能,符合125℃无卤低烟阻燃交联聚烯烃护套料性能,产品辐照剂量13-15焦耳/千克,根据电线电缆产品的厚度、结构确定。本发明具带来的有益效果:本发明产品同时具有:良好的机械性能好,柔然、阻燃、耐臭氧、耐酸、耐碱、耐油、耐热水、热收缩性能。
具体实施方式
下面结合实施例对本发明作进一步说明,但不作为对本发明的限制:
充电桩电缆用无卤低烟阻燃交联聚烯烃护套料,由包括以下重量份数组分制成:PE为10-15,EVA:为10-15,POE为5-10,乙丙橡胶5-10(树脂总量为40),阻燃硅烷1-2,氢氧化铝30-50,氢氧化镁0-10,液体交联剂3-5,交联助剂0.2-0.5,抗氧剂0.2-0.3,其它加工助剂1-2。 电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,通过前处理、除乙丙橡胶以外材料密炼、双螺杆机挤出、单螺杆机造粒,然后颗粒与乙丙橡胶开炼、双螺杆机挤出、单螺杆机造粒的工艺过程,从而制备充电桩电缆用无卤低烟阻燃交联聚烯烃护套料;所述的PE为HDPE,EVA为VA含量为28的EVA,乙丙橡胶为三元乙丙橡胶,POE为熔融指数为4的POE;所述的硅烷为带有阻燃功能的硅烷;将氢氧化铝、氢氧化镁,通过高速搅拌,加入2%的阻燃硅烷到110℃作为前处理工序;采用液体阻燃剂和无机阻燃剂进行协同阻燃,减少无机阻燃剂的用量,提高产品的辐照的交联度;所述的交联剂采用液体交联剂,在生产过程中保证交联剂分散均匀,提高产品的辐照的交联度;所述的加工助剂全部为高分子助剂,分子不低于2000;产品具有耐酸、耐碱、耐油功能,符合125℃无卤低烟阻燃交联聚烯烃护套料性能,产品辐照剂量13-15焦耳/千克,根据电线电缆产品的厚度、结构确定。
本发明的优点:
采用液体阻燃剂和无机阻燃剂进行协同阻燃,减少无机阻燃剂的用量,提高产品的辐照的交联度。
交联剂采用液体交联剂,在生产过程中保证交联剂分散均匀,提高产品的辐照的交联度。本发明产品同时具有良好的机械性能好,柔然、阻燃、耐臭氧、耐酸、耐碱、耐油、耐热水、热收缩性能,符合125℃无卤低烟阻燃交联聚烯烃护套料性能。本发明的上述实施例,仅仅是清楚地说明本发明所做的举例,但不用来限制本发明的保护范围,所有等同的技术方案也属于本发明的范畴,本发明的专利保护范围应由各项权利要求限定。
Claims (9)
1.充电桩电缆用无卤低烟阻燃交联聚烯烃护套料,其特征在于:由包括以下重量份数组分制成:PE为10-15,EVA:为10-15,POE为5-10,乙丙橡胶5-10,阻燃硅烷1-2,氢氧化铝30-50,氢氧化镁0-10,液体交联剂3-5,交联助剂0.2-0.5,抗氧剂0.2-0.3,其它加工助剂1-2。
2.根据权利要求1所述的充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,其特征在于:通过前处理、除乙丙橡胶以外材料密炼、双螺杆机挤出、单螺杆机造粒,然后颗粒与乙丙橡胶开炼、双螺杆机挤出、单螺杆机造粒的工艺过程,从而制备充电桩电缆用无卤低烟阻燃交联聚烯烃护套料。
3.根据权利要求1所述的充电桩电缆用无卤低烟阻燃交联聚烯烃护套料,其特征在于:所述的PE为HDPE,EVA为VA含量为28的EVA,乙丙橡胶为三元乙丙橡胶,POE为熔融指数为4的POE。
4.根据权利要求1所述的充电桩电缆用无卤低烟阻燃交联聚烯烃护套料,其特征在于:所述的硅烷为带有阻燃功能的硅烷。
5.根据权利要求1所述的充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,其特征在于:将氢氧化铝、氢氧化镁,通过高速搅拌,加入2%的阻燃硅烷到140℃作为前处理工序。
6.根据权利要求1所述的一种充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,其特征在于:采用液体阻燃剂和无机阻燃剂进行协同阻燃,减少无机阻燃剂的用量,提高产品的辐照的交联度。
7.根据权利要求1所述的一种充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,其特征在于:所述的交联剂采用液体交联剂,在生产过程中保证交联剂分散均匀,提高产品的辐照的交联度。
8.根据权利要求1所述的一种充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法,其特征在于:所述的加工助剂全部为高分子助剂,分子不低于2000。
9.根据权利要求1所述的一种充电桩电缆用无卤低烟阻燃交联聚烯烃护套料制备方法:其特征在于:产品具有耐酸、耐碱、耐油功能,符合125℃无卤低烟阻燃交联聚烯烃护套料性能,产品辐照剂量13-15焦耳/千克,根据电线电缆产品的厚度、结构确定。
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CN109957199A (zh) * | 2017-12-26 | 2019-07-02 | 上海凯波特种电缆料厂有限公司 | 一种光伏电缆用无卤低烟阻燃护套料及其制备方法和用途 |
CN112745562A (zh) * | 2020-12-28 | 2021-05-04 | 苏州铂玛新材料有限公司 | 辐照交联柔韧性耐腐蚀低烟无卤组合物及其制法和应用 |
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CN109957199A (zh) * | 2017-12-26 | 2019-07-02 | 上海凯波特种电缆料厂有限公司 | 一种光伏电缆用无卤低烟阻燃护套料及其制备方法和用途 |
CN112745562A (zh) * | 2020-12-28 | 2021-05-04 | 苏州铂玛新材料有限公司 | 辐照交联柔韧性耐腐蚀低烟无卤组合物及其制法和应用 |
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