CN106317746A - 一种无卤无锑阻燃线缆料 - Google Patents
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Abstract
本发明公开了一种电线电缆料领域中的线缆料,特别涉及一种无卤无锑阻燃线缆料,其按重量比计,包含有:(1)、乙烯及其共聚物66份;(2)、热塑性弹性体75份;(3)、聚乙烯/丙烯7份;(4)、相容剂9份;(5)、改性聚苯醚树脂粉3份;(6)、阻燃剂120份;(7)、助剂2份;(8)、三元乙丙橡胶100份;(9)、SEBS503和/或马来酸酐接枝SEBS150份;(10)、增塑软化剂150份;(11)、颜料2份;(12)、交联剂19份;(13)、液体增强软化橡胶70份;(14)、增强剂90份。本发明的线缆料生产出的线缆具有优异的助燃性、柔韧性、耐冲击性、耐环境应力等特点,不会出现裂纹以致开裂。添加了填充剂,使线缆外皮热稳定性能良好。
Description
技术领域
本发明涉及一种电线电缆料领域中的线缆料,特别涉及一种无卤无锑阻燃线缆料。
背景技术
随着全球经济迅猛发展,人们对电线电缆老化引发火灾事故的认识不断加强,对电线电缆的环境友好性要求也越来越高。卤素燃烧产生的有毒烟气对人体和环境的危害是众所周知的。那么,如何降低由电线电缆引起的火灾发生率及发生火灾时的死亡率?低烟、无卤、阻燃、环保、耐高温等成为电线电缆行业的发展方向。无卤阻燃电线电缆,能够很好的解决对环境的污染性及对人身产生伤害的问题,但是为满足材料阻燃性和物理机械性能的平衡,有时会在无卤阻燃体系中加入三氧化二锑,三氧化二锑在生产加工和使用过程中,接触人体皮肤后,会对人体产生一定的危害(皮肤瘙痒、红肿),更为严重的是致人死亡,目前一些终端客户对含有三氧化二锑的电线电缆已明确禁止使用。
目前,现有的电缆料采用低密度聚乙烯(LDPE)和乙烯-醋酸乙烯共聚物(EVA)为基准原料添加阻燃剂及助剂塑炼制成。产品硬度在90-93度A之间,使用中不便移动、弯曲。阻燃型橡套电缆材料采用氯丁胶(CR)和氯化聚乙烯(CPE),阻燃体系采用三氧化二锑、十溴二苯醚、氯化石蜡、磷酸酯,即锑-氯-溴-磷阻燃体系。因大量卤素及橡胶本身中含大量氯离子,在燃烧及阻燃过程中必然会产生大量卤化氢气体,形成对生命体的强烈的窒息和对环境的严重污染。并且,在现行国内生产工艺的生产过程中,需要添加一定有毒副作用的硫化助剂在高温、高压条件下(蒸气管道)硫化,设备复杂,投资昂贵,原辅材料和反应副产品中存在大量有毒害物质,生产过程中高温、高压存在严重的不安全隐患;同时生产消耗大,废品率高,造成生产成本提高;并且有大量“三废”排放,形成恶劣的环境污染。可以说,现行工艺属“高能耗,高排放,高污染”的工艺产品,完全不符合当前国家产品、产业政策和发展的长远利益。因此,无卤无锑高阻燃热塑性电缆料是当前电线电缆行业的发展趋势。
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,提供一种无卤无锑阻燃线缆料。
为了实现上述发明目的,本发明提供了以下技术方案:一种无卤无锑阻燃线缆料,其按重量比计,包含有:
(1)、乙烯及其共聚物66份,所述乙烯及其共聚物为乙烯-醋酸乙烯酯共聚物、乙烯-丙烯酸乙酯共聚物或乙烯-丙烯酸甲酯共聚物的一种或多种混合物;
(2)、热塑性弹性体75份,所述热塑性弹性体为苯乙烯-异戊二烯-苯乙烯嵌段共聚物、苯乙烯-丁二烯-苯乙烯嵌段共聚物、氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物一种或多种混合物;
(3)、聚乙烯/丙烯7份,所述聚乙烯/丙烯为低密度聚乙烯、线性低密度聚乙烯、高密度聚乙烯、茂金属聚乙烯、聚丙烯中的一种或多种混合物;
(4)、相容剂9份,所述相容剂为马来酸酐接枝乙烯-醋酸乙烯共聚物、马来酸酐接枝乙烯-辛烯共聚物、马来酸酐接枝乙烯-丙烯酸甲酯共聚物、马来酸酐接枝线性低密度聚乙烯、马来酸酐接枝聚丙烯中的一种或多种混合物;
(5)、改性聚苯醚树脂粉3份,所述改性聚苯醚树脂粉为特性粘度在30℃下于氯仿中测定为0.3-0.55dl/g的改性聚苯醚树脂粉;
(6)、阻燃剂120份,所述阻燃剂是氢氧化物、有机次磷酸盐阻燃剂、三聚氰胺化合物中的一种或多种复配而成;
(7)、助剂2份,所述助剂为硬酯酸锌、硬酯酸、聚乙烯蜡、抗氧剂、紫外线吸收剂、氢氧化镁、氢氧化铝、硼酸锌、润滑剂、抗氧剂、交联助剂TAIC的一种或多种混合物;
(8)、三元乙丙橡胶100份,三元乙丙橡胶为美国杜邦公司生产的4725P和3722P中的一种或两种;
(9)、SEBS503和/或马来酸酐接枝SEBS 150份;
(10)、增塑软化剂150份,所述增塑软化剂选自环烷油、26#白油、32#白油中的一种或几种;
(11)、颜料2份,所述颜料选自钛白粉、荧光增白剂、酞菁兰、酞菁绿、立索尔宝红、立索尔大红、永固黄、联苯胺黄、炭黑中的一种或几种。
还包括:交联剂19份,所述交联剂选自双(叔丁基过氧化异丙基)苯和2,5-二甲基-2,5(双叔丁基过氧化)己烷中的一种或两种;
液体增强软化橡胶70份,所述液体增强软化橡胶为液体聚异丁烯和液体聚丁二烯中的一种或两种;
增强剂90份,所述增强剂选自聚丙烯、接枝率2wt%-9wt%的马来酸酐接枝聚丙烯、丙烯腈-丁二烯-苯乙烯共聚物、接枝率9wt%-15wt%的马来酸酐接枝聚苯乙烯中的一种或几种;所述助剂选自硬酯酸锌、硬酯酸、聚乙烯蜡、抗氧剂、紫外线吸收剂中的一种或几种;
抗氧剂650份,所述抗氧剂为硫代双酚类抗氧剂和季戊四醇酯混合物,所述硫代双酚类抗氧剂、亚磷酸酯和季戊四醇酯分别为320份、180份和150份。
所述其中氢氧化物是氢氧化镁、氢氧化铝中的一种或两种混合物;
有机次磷酸盐阻燃剂为甲基次磷酸铝、甲基乙基次磷酸铝、苯基次磷酸铝、二乙烯基次磷酸铝、二乙烯基次磷酸锌阻燃剂中的一种或多种混合物;
三聚氰胺化合物为氰尿酸三聚氰胺、焦磷酸三聚氰胺、聚磷酸三聚氰胺中的一种或多种混合物。
与现有技术相比,本发明的有益效果:本发明的线缆料生产出的线缆具有优异的助燃性、柔韧性、耐冲击性、耐环境应力等特点,不会出现裂纹以致开裂,同时为了克服其易燃的缺点,添加了氢氧化铝、氢氧化镁等一系列助剂。提高了线缆外皮的阻燃特性,同是不添加含卤化物的材料,使线缆外皮无卤。添加了填充剂,使线缆外皮热稳定性能良好。
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
一种无卤无锑阻燃线缆料,其按重量比计,包含有:
(1)、乙烯及其共聚物66份,所述乙烯及其共聚物为乙烯-醋酸乙烯酯共聚物、乙烯-丙烯酸乙酯共聚物两种混合物,乙烯-醋酸乙烯酯共聚物、乙烯-丙烯酸乙酯共聚物分别为43份和23份;
(2)、热塑性弹性体75份,所述热塑性弹性体为苯乙烯-异戊二烯-苯乙烯嵌段共聚物、苯乙烯-丁二烯-苯乙烯嵌段共聚物、氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物三种混合物,所述热塑性弹性体为苯乙烯-异戊二烯-苯乙烯嵌段共聚物、苯乙烯-丁二烯-苯乙烯嵌段共聚物、氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物三种混合物分别为36份、23份和16份;
(3)、聚乙烯/丙烯7份,所述聚乙烯/丙烯为低密度聚乙烯、线性低密度聚乙烯、高密度聚乙烯、茂金属聚乙烯四种混合物,所述聚乙烯/丙烯为低密度聚乙烯、线性低密度聚乙烯、高密度聚乙烯、茂金属聚乙烯分别为1份、2份、1份、3份;
(4)、相容剂9份,所述相容剂为马来酸酐接枝乙烯-醋酸乙烯共聚物、马来酸酐接枝乙烯-辛烯共聚物两种混合物,所述马来酸酐接枝乙烯-醋酸乙烯共聚物、马来酸酐接枝乙烯-辛烯共聚物两种混合物分别为6份和3份;
(5)、改性聚苯醚树脂粉3份,所述改性聚苯醚树脂粉为特性粘度在30℃下于氯仿中测定为0.3-0.55dl/g的改性聚苯醚树脂粉;
(6)、阻燃剂120份,所述阻燃剂是氢氧化物、有机次磷酸盐阻燃剂两种复配而成,所述氢氧化物、有机次磷酸盐阻燃剂分别为68份和52份;
(7)、助剂2份,所述助剂为氢氧化镁、氢氧化铝两种混合物,各为1份;
(8)、三元乙丙橡胶100份,三元乙丙橡胶为美国杜邦公司生产的4725P;
(9)、SEBS503和/或马来酸酐接枝SEBS150份;
(10)、增塑软化剂150份,所述增塑软化剂选自环烷油;
(11)、颜料2份,所述颜料选自钛白粉、荧光增白剂两种,分别为1份。还包括:交联剂19份,所述交联剂选自双(叔丁基过氧化异丙基)苯;
液体增强软化橡胶70份,所述液体增强软化橡胶为液体聚异丁烯和液体聚丁二烯中的一种或两种;
增强剂90份,所述增强剂选自聚丙烯、接枝率2wt%-9wt%的马来酸酐接枝聚丙烯、丙烯腈-丁二烯-苯乙烯共聚物、接枝率9wt%-15wt%的马来酸酐接枝聚苯乙烯中的一种或几种;所述助剂选自硬酯酸锌、硬酯酸、聚乙烯蜡、抗氧剂、紫外线吸收剂中的一种或几种;
抗氧剂650份,所述抗氧剂为硫代双酚类抗氧剂和季戊四醇酯混合物,所述硫代双酚类抗氧剂、亚磷酸酯和季戊四醇酯分别为320份、180份和150份。
所述其中氢氧化物是氢氧化镁、氢氧化铝两种混合物;
有机次磷酸盐阻燃剂为甲基次磷酸铝、甲基乙基次磷酸铝、苯基次磷酸铝、二乙烯基次磷酸铝三种混合物;
三聚氰胺化合物为氰尿酸三聚氰胺、焦磷酸三聚氰胺两种混合物。
Claims (3)
1.一种无卤无锑阻燃线缆料,其特征在于:其按重量比计,包含有:
(1)、乙烯及其共聚物66份,所述乙烯及其共聚物为乙烯-醋酸乙烯酯共聚物、乙烯-丙烯酸乙酯共聚物或乙烯-丙烯酸甲酯共聚物的一种或多种混合物;
(2)、热塑性弹性体75份,所述热塑性弹性体为苯乙烯-异戊二烯-苯乙烯嵌段共聚物、苯乙烯-丁二烯-苯乙烯嵌段共聚物、氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物一种或多种混合物;
(3)、聚乙烯/丙烯7份,所述聚乙烯/丙烯为低密度聚乙烯、线性低密度聚乙烯、高密度聚乙烯、茂金属聚乙烯、聚丙烯中的一种或多种混合物;
(4)、相容剂9份,所述相容剂为马来酸酐接枝乙烯-醋酸乙烯共聚物、马来酸酐接枝乙烯-辛烯共聚物、马来酸酐接枝乙烯-丙烯酸甲酯共聚物、马来酸酐接枝线性低密度聚乙烯、马来酸酐接枝聚丙烯中的一种或多种混合物;
(5)、改性聚苯醚树脂粉3份,所述改性聚苯醚树脂粉为特性粘度在30℃下于氯仿中测定为0.3-0.55dl/g的改性聚苯醚树脂粉;
(6)、阻燃剂120份,所述阻燃剂是氢氧化物、有机次磷酸盐阻燃剂、三聚氰胺化合物中的一种或多种复配而成;
(7)、助剂2份,所述助剂为氢氧化镁、氢氧化铝、硼酸锌、润滑剂、抗氧剂、交联助剂TAIC的一种或多种混合物;
(8)、三元乙丙橡胶100份,三元乙丙橡胶为美国杜邦公司生产的4725P和3722P中的一种或两种;
(9)、SEBS503和/或马来酸酐接枝SEBS 150份;
(10)、增塑软化剂150份,所述增塑软化剂选自环烷油、26#白油、32#白油中的一种或几种;
(11)、颜料2份,所述颜料选自钛白粉、荧光增白剂、酞菁兰、酞菁绿、立索尔宝红、立索尔大红、永固黄、联苯胺黄、炭黑中的一种或几种。
2.根据权利要求1所述的一种无卤无锑阻燃线缆料,其特征在于:
还包括:交联剂19份,所述交联剂选自双(叔丁基过氧化异丙基)苯和2,5-二甲基-2,5(双叔丁基过氧化)己烷中的一种或两种;
液体增强软化橡胶70份,所述液体增强软化橡胶为液体聚异丁烯和液体聚丁二烯中的一种或两种;
增强剂90份,所述增强剂选自聚丙烯、接枝率2wt%-9wt%的马来酸酐接枝聚丙烯、丙烯腈-丁二烯-苯乙烯共聚物、接枝率9wt%-15wt%的马来酸酐接枝聚苯乙烯中的一种或几种;所述助剂选自硬酯酸锌、硬酯酸、聚乙烯蜡、抗氧剂、紫外线吸收剂中的一种或几种;
抗氧剂650份,所述抗氧剂为硫代双酚类抗氧剂和季戊四醇酯混合物,所述硫代双酚类抗氧剂、亚磷酸酯和季戊四醇酯分别为320份、180份和150份。
3.根据权利要求1所述的一种无卤无锑阻燃线缆料,其特征在于:
所述其中氢氧化物是氢氧化镁、氢氧化铝中的一种或两种混合物;
有机次磷酸盐阻燃剂为甲基次磷酸铝、甲基乙基次磷酸铝、苯基次磷酸铝、二乙烯基次磷酸铝、二乙烯基次磷酸锌阻燃剂中的一种或多种混合物;
三聚氰胺化合物为氰尿酸三聚氰胺、焦磷酸三聚氰胺、聚磷酸三聚氰胺中的一种或多种混合物。
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CN112143086A (zh) * | 2020-09-01 | 2020-12-29 | 深圳市沃尔核材股份有限公司 | 一种核电站用1e级热缩套管及其制备方法 |
CN114292461A (zh) * | 2021-12-24 | 2022-04-08 | 太仓迎聚新材料科技有限公司 | 一种新能源汽车线用辐照交联无卤阻燃聚烯烃材料及其制备方法和应用 |
WO2022135271A1 (zh) * | 2020-12-24 | 2022-06-30 | 金发科技股份有限公司 | 一种超柔软b1级低烟无卤阻燃护套料及其制备方法 |
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CN112143086A (zh) * | 2020-09-01 | 2020-12-29 | 深圳市沃尔核材股份有限公司 | 一种核电站用1e级热缩套管及其制备方法 |
WO2022135271A1 (zh) * | 2020-12-24 | 2022-06-30 | 金发科技股份有限公司 | 一种超柔软b1级低烟无卤阻燃护套料及其制备方法 |
CN114292461A (zh) * | 2021-12-24 | 2022-04-08 | 太仓迎聚新材料科技有限公司 | 一种新能源汽车线用辐照交联无卤阻燃聚烯烃材料及其制备方法和应用 |
CN114292461B (zh) * | 2021-12-24 | 2023-11-24 | 太仓迎聚新材料科技有限公司 | 一种新能源汽车线用辐照交联无卤阻燃聚烯烃材料及其制备方法和应用 |
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