CN113861550A - 一种b1级紫外光交联低烟无卤阻燃电缆料及其制备方法 - Google Patents
一种b1级紫外光交联低烟无卤阻燃电缆料及其制备方法 Download PDFInfo
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- 239000000779 smoke Substances 0.000 title claims abstract description 40
- 239000003063 flame retardant Substances 0.000 title claims abstract description 38
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 37
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- 238000012360 testing method Methods 0.000 claims description 9
- ZXDDPOHVAMWLBH-UHFFFAOYSA-N 2,4-Dihydroxybenzophenone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=CC=C1 ZXDDPOHVAMWLBH-UHFFFAOYSA-N 0.000 claims description 7
- 244000028419 Styrax benzoin Species 0.000 claims description 7
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- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 7
- 229910001377 aluminum hypophosphite Inorganic materials 0.000 claims description 7
- 229960002130 benzoin Drugs 0.000 claims description 7
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 7
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- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 5
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- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
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- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims 1
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- 230000000052 comparative effect Effects 0.000 description 16
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- 230000000694 effects Effects 0.000 description 4
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 4
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- UJAWGGOCYUPCPS-UHFFFAOYSA-N 4-(2-phenylpropan-2-yl)-n-[4-(2-phenylpropan-2-yl)phenyl]aniline Chemical compound C=1C=C(NC=2C=CC(=CC=2)C(C)(C)C=2C=CC=CC=2)C=CC=1C(C)(C)C1=CC=CC=C1 UJAWGGOCYUPCPS-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
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- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 description 1
- GBZMYCOIDITVGD-UHFFFAOYSA-N gold molybdenum tungsten Chemical compound [Mo][W][Au] GBZMYCOIDITVGD-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明公开了一种B1级紫外光交联低烟无卤阻燃电缆料及其制备方法。电缆料由以下质量份数计的组分组成:6~40份乙烯‑醋酸乙烯共聚物、8~18份聚乙烯、1~5份交联剂、1~5份光引发剂、40~65份无机阻燃剂、5~10份抑烟成碳剂、5~15份协效阻燃剂、0.3~2份抗氧剂、0.5~2份润滑剂。本发明的电缆料挤出速度快,交联效率高,力学性能优越;火焰蔓延、热释放总量、热释放速率峰值、产烟总量、产烟速率峰值、燃烧增长速率指数等性能参数达到B1耐燃级别。
Description
技术领域
本发明涉及低烟无卤阻燃电缆料技术领域,尤其涉及一种B1级紫外光交联低烟无卤阻燃电缆料及其制备方法。
背景技术
交联线缆具有优良的耐高温性能、更高的长期使用温度、更长的使用寿命,在线缆行业得到大力推广和运用。而紫外光交联技术因其设备投资小、能耗低、加工方便、交联速度快等优点,在最近几年的电线电缆行业里面得到大力发展。
线缆领域很多涉及安全的标准被强制执行,其中,民用建筑电气设计标准GB51348-2019要求在人员密集的场所必须要使用达到GB 31247-2014 B1耐燃级别的线缆,而火焰蔓延、热释放总量、热释放速率峰值、产烟总量、产烟速率峰值等阻燃性能参数指标对于交联线缆材料来说要求极为苛刻。目前市场上的大部分交联线缆材料都无法全部满足此标准。
发明内容
本发明的首要目的在于克服现有技术的缺点与不足,提供一种B1级紫外光交联低烟无卤阻燃电缆料。
本发明的另一目的在于提供上述B1级紫外光交联低烟无卤阻燃电缆料的制备方法。
本发明的目的通过下述技术方案实现:一种B1级紫外光交联低烟无卤阻燃电缆料,由以下质量份数计的组分组成:6~40份乙烯-醋酸乙烯共聚物、8~18份聚乙烯、1~5份交联剂、1~5份光引发剂、40~65份无机阻燃剂、5~10份抑烟成碳剂、5~15份协效阻燃剂、0.3~2份抗氧剂、0.5~2份润滑剂;更优选地,由以下质量份数计的组分组成:20~30份乙烯-醋酸乙烯共聚物、12~18份聚乙烯、2~3份交联剂、3~4份光引发剂、50~55份无机阻燃剂、6~8份抑烟成碳剂、8~12份协效阻燃剂、0.5~1份抗氧剂、0.5~1份润滑剂。
优选地,所述乙烯-醋酸乙烯共聚物(EVA树脂)中的醋酸乙烯(VA)含量≤40%;更优选的,所述乙烯-醋酸乙烯共聚物(EVA)中的醋酸乙烯(VA)含量为25%~30%。
优选地,所述聚乙烯(PE树脂)在190℃、2.16kg测试条件下的熔融指数为1~5g/10min。
优选地,所述交联剂为三烯丙基异氰脲酸酯、三羟甲基丙烷三甲基丙烯酸酯、1,2-聚丁二烯、三羟甲基丙烷二烯丙基醚、三聚氰酸三烯丙酯中的至少一种;更优选地,所述交联剂为三烯丙基异氰脲酸酯、三羟甲基丙烷三甲基丙烯酸酯中的至少一种。
优选地,所述光引发剂为安息香双甲醚、2-羟基-2-甲基1-苯基丙酮、α-羟烷基苯酮、二苯甲酮、2,4-二羟基二苯甲酮中的至少一种;更优选地,所述光引发剂为安息香双甲醚、二苯甲酮、2,4-二羟基二苯甲酮中的至少一种;最优选地,所述光引发剂为安息香双甲醚、二苯甲酮和2,4-二羟基二苯甲酮。
优选地,所述无机阻燃剂为氢氧化铝、氢氧化镁中的至少一种;更优选地,所述无机阻燃剂为氢氧化铝和氢氧化镁;最优选地,所述氢氧化铝和氢氧化镁的质量比为2:1。
优选地,所述抑烟成碳剂为水硼酸锌、氧化锌、氧化钼、蒙脱土中的至少一种;更优选地,所述抑烟成碳剂为氧化锌、氧化钼中的至少一种;最优选地,所述抑烟成碳剂为氧化锌和氧化钼。
优选地,所述协效阻燃剂为次磷酸铝、二乙基次磷酸铝、多聚磷酸铵、红磷中的至少一种;更优选地,所述协效阻燃剂为次磷酸铝、多聚磷酸铵中的至少一种。
优选地,所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(抗氧剂1010)、硫代二丙酸双月桂酯(抗氧剂DLTP)、4,4'-硫代双(6-叔丁基-3-甲基苯酚)(抗氧剂300)、二异丙苯基二苯胺(抗氧剂KY405)和三[2.4-二叔丁基苯基]亚磷酸酯(抗氧剂168)中的至少一种;更优选地,所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯和二异丙苯基二苯胺;最优选地,所述四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯和二异丙苯基二苯胺的质量比为1:2。
优选地,所述润滑剂为硅酮母粒、硬脂酸锌、聚乙烯蜡、乙撑双硬脂酸酰胺中的至少一种;更优选地,所述润滑剂为聚乙烯蜡。
上述B1级紫外光交联低烟无卤阻燃电缆料的制备方法,包括以下步骤:将组分混合,得到的混合料密炼,挤出,造粒,得到B1级紫外光交联低烟无卤阻燃电缆料。
优选的,所述密炼的温度为110℃~120℃。
优选的,所述挤出的温度为110℃~130℃。
与现有技术相比,本发明具有以下有益效果:
本发明的B1级紫外光交联低烟无卤阻燃电缆料挤出速度快,交联效率高,力学性能优越;火焰蔓延、热释放总量、热释放速率峰值、产烟总量、产烟速率峰值、燃烧增长速率指数等性能参数达到B1耐燃级别(检测标准GB 31247-2014)。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明实施例和对比例中所用的原料如下:
EVA树脂,VA含量为28%,台塑;
PE树脂,在190℃,2.16kg测试条件下的熔融指数为2g/10min,茂名石化;
交联剂,三烯丙基异氰脲酸酯、三羟甲基丙烷三甲基丙烯酸酯,湖南方锐达;
光引发剂:二苯甲酮、安息香双甲醚、2,4-二羟基二苯甲酮,南京瓦力;
无机阻燃剂:氢氧化铝,中铝;氢氧化镁,亚泰;
抑烟成碳剂:氧化锌,上海缘江化工;氧化钼,金堆城钼业;
协效阻燃剂:次磷酸铝、多聚磷酸铵,普塞呋;
抗氧剂:四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(抗氧剂1010),巴斯夫;二异丙苯基二苯胺(抗氧剂KY405),常州佳通化学;
润滑剂:聚乙烯蜡,宁夏天润嘉泽。
实施例和对比例
实施例1~5和对比例1~2中电缆料组分的质量份数如表1所示。
表1 实施例1~5和对比例1~2电缆料组分的质量份数
实施例1~5和对比例1~2的电缆料的制备方法包括如下步骤:
(1)分别按照表1实施例1~5和对比例1~2电缆料的组分质量份数称取原料,加入至高速搅拌机中(600r/min)混合,混合时间为4min,得到混合料;
(2)分别将混合料加入至密炼机中密炼,密炼温度为120℃;
(3)将密炼后的混合料分别加入至单螺杆挤出机中熔融挤出,挤出温度为130℃,造粒后,分别得到实施例1~5和对比例1~2的电缆料。
对实施例1~5和对比例1~2的电缆料进行性能检测,检测结果如表2所示。
表2 实施例1~5和对比例1~2的电缆料性能测试结果
结果分析:从表2可看出,相对于对比例1、2,实施例1-5的性能非常优越,拉伸强度、断裂伸长率、热延伸、氧指数都明显好于对比例1、2,火焰蔓延、热释放速率峰值、燃烧增长速率指数等性能数据达到B1耐燃级别标准,优势明显。实施例1-5都可以通过GB31247-2014 B1燃烧级别的测试,阻燃线缆材料的热量释放小,产烟量低。相对比,实施例1的交联效果最好,成碳效率更高,阻燃效果更好。
通过分析对比例1、2和实施例5可以看出,体系中抑烟成碳剂和协效阻燃剂起到非常重要作用。对比例1没有抑烟成碳剂和协效阻燃剂,火焰蔓延、热释放速率峰值、燃烧增长速率指数等性能数据非常差,达不到B1耐燃级别标准。而添加少量抑烟成碳剂和协效阻燃剂的对比例2,B1耐燃级别标准测试数据明显好于对比例1,效果显著。相比对比例1、2,随着添加抑烟成碳剂和协效阻燃剂份数的增大,实施例5的B1项目测试数据更加优越,效果显著。
以上所述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,这些改进和润饰也视为本发明的保护范围。
Claims (10)
1.一种B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,由以下质量份数计的组分组成:6~40份乙烯-醋酸乙烯共聚物、8~18份聚乙烯、1~5份交联剂、1~5份光引发剂、40~65份无机阻燃剂、5~10份抑烟成碳剂、5~15份协效阻燃剂、0.3~2份抗氧剂、0.5~2份润滑剂。
2.根据权利要求1所述B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,由以下质量份数计的组分组成:20~30份乙烯-醋酸乙烯共聚物、12~18份聚乙烯、2~3份交联剂、3~4份光引发剂、50~55份无机阻燃剂、6~8份抑烟成碳剂、8~12份协效阻燃剂、0.5~1份抗氧剂、0.5~1份润滑剂。
3.根据权利要求1或2所述B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,
所述乙烯-醋酸乙烯共聚物中的醋酸乙烯含量≤40%;
所述交联剂为三烯丙基异氰脲酸酯、三羟甲基丙烷三甲基丙烯酸酯、1,2-聚丁二烯、三羟甲基丙烷二烯丙基醚、三聚氰酸三烯丙酯中的至少一种;
所述协效阻燃剂为次磷酸铝、二乙基次磷酸铝、多聚磷酸铵、红磷中的至少一种;
所述润滑剂为硅酮母粒、硬脂酸锌、聚乙烯蜡、乙撑双硬脂酸酰胺中的至少一种。
4.根据权利要求3所述B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,
所述乙烯-醋酸乙烯共聚物中的醋酸乙烯含量为25%~30%;
所述交联剂为三烯丙基异氰脲酸酯、三羟甲基丙烷三甲基丙烯酸酯中的至少一种;
所述协效阻燃剂为次磷酸铝、多聚磷酸铵中的至少一种;
所述润滑剂为聚乙烯蜡。
5.根据权利要求1或2所述B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,
所述光引发剂为安息香双甲醚、2-羟基-2-甲基1-苯基丙酮、α-羟烷基苯酮、二苯甲酮、2,4-二羟基二苯甲酮中的至少一种;
所述无机阻燃剂为氢氧化铝、氢氧化镁中的至少一种;
所述抑烟成碳剂为水硼酸锌、氧化锌、氧化钼、蒙脱土中的至少一种;
所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯、硫代二丙酸双月桂酯、4,4'-硫代双(6-叔丁基-3-甲基苯酚)、二异丙苯基二苯胺和三[2.4-二叔丁基苯基]亚磷酸酯中的至少一种。
6.根据权利要求5所述B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,
所述光引发剂为安息香双甲醚、二苯甲酮、2,4-二羟基二苯甲酮中的至少一种;
所述无机阻燃剂为氢氧化铝和氢氧化镁;
所述抑烟成碳剂为氧化锌、氧化钼中的至少一种;
所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯和二异丙苯基二苯胺。
7.根据权利要求6所述B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,
所述光引发剂为安息香双甲醚、二苯甲酮和2,4-二羟基二苯甲酮;
所述无机阻燃剂中,氢氧化铝和氢氧化镁的质量比为2:1;
所述抑烟成碳剂为氧化锌和氧化钼;
所述抗氧剂中,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯和二异丙苯基二苯胺的质量比为1:2。
8.根据权利要求1或2所述B1级紫外光交联低烟无卤阻燃电缆料,其特征在于,所述聚乙烯在190℃、2.16kg测试条件下的熔融指数为1~5g/10min。
9.权利要求1-8任一项所述B1级紫外光交联低烟无卤阻燃电缆料的制备方法,其特征在于,包括以下步骤:将组分混合,得到的混合料密炼,挤出,造粒,得到B1级紫外光交联低烟无卤阻燃电缆料。
10.根据权利要求9所述B1级紫外光交联低烟无卤阻燃电缆料的制备方法,其特征在于,
所述密炼的温度为110℃~120℃;
所述挤出的温度为110℃~130℃。
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