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CN110105698A - 一种防火防腐玻纤as增强塑料电缆桥架及其加工工艺 - Google Patents

一种防火防腐玻纤as增强塑料电缆桥架及其加工工艺 Download PDF

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CN110105698A
CN110105698A CN201910413939.3A CN201910413939A CN110105698A CN 110105698 A CN110105698 A CN 110105698A CN 201910413939 A CN201910413939 A CN 201910413939A CN 110105698 A CN110105698 A CN 110105698A
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朱成阳
陈波
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Abstract

本发明公开了一种防火防腐玻纤AS增强塑料电缆桥架,按重量份包括以下组分:改性AS树脂60‑85份、玻璃纤维复合液35‑50份、氧化镁1‑2份、固化剂0.5‑2份、阻燃剂7‑10份和填料4‑7份;所述的改性AS树脂的制备方法为:将AS树脂70‑100份、马来酸酐2‑3份、过氧化二异丙苯0.5‑1.5份和抗氧剂1076 3‑5份,称量好后,依次放入高速混合机中混合均匀。将混合均匀的料加入到已设置好工艺参数的双螺杆挤出机中,经双螺杆挤出机熔融共混挤出,冷却、切料得到改性AS树脂;机械性能,阻燃、耐水、耐酸、耐碱等特性大大得到提升。

Description

一种防火防腐玻纤AS增强塑料电缆桥架及其加工工艺
技术领域
本发明涉及一种防火防腐玻纤AS增强塑料电缆桥架及其加工工艺。
背景技术
目前,生活中的方方面面越来越离不开电力,在电力供应的基础设施建设中,安全、可靠是电力基础设施建设的重要因素。裸露的安装方式导致线缆走线弯曲、不整齐、受外界各种不可控因素导致安全风险高,导致可靠性降低;PVC圆型保护管安装方式导致线缆在保护管中交叉、相互挤压,而且运行中由于环境温度和过载等因素影响,线缆易发热,造成短路故障引起线缆燃烧。
传统的电缆桥架一般采用金属桥架和不锈钢桥架为主,其中,金属桥架为增加其承载力,一般采用较厚的刚才加工而成,桥架重量较大且生产成本较高;且传统的电缆桥架必须要通过锁大量的螺栓才可以固定,这样会造成费工、费时的弊端,而且在在电缆架设中,电缆桥架长期暴露在空气中,易锈蚀且无绝缘性,使用寿命短,造成很大的安全隐患。
发明内容
发明目的:本发明的目的是为了解决以上现有技术的不足,提供一种高强度玻纤AS增强塑料桥架。
技术方案:本发明所述的一种防火防腐玻纤AS增强塑料电缆桥架,按重量份包括以下组分:改性AS树脂60-85份、玻璃纤维复合液35-50份、氧化镁1-2份、固化剂0.5-2份、阻燃剂7-10份和填料4-7份;
所述的改性AS树脂的制备方法为:将AS树脂70-100份、马来酸酐2-3份、过氧化二异丙苯0.5-1.5份和抗氧剂10763-5份,称量好后,依次放入高速混合机中混合均匀,将混合均匀的料加入双螺杆挤出机中,控制双螺杆挤出机料筒的温度为180-220℃,双螺杆挤出机模头的温度为150-200℃,经熔融共混挤出,冷却、切料得到改性AS树脂;
所述的玻璃纤维复合液的制备方法为:
(1)将20-40份玻璃纤维加入至20%盐酸溶液中,100℃下处理4-6h后,然后在甲醇中分散搅拌10-20min,得到质量浓度为5-8wt%的玻璃纤维分散液;
(2)将玻璃纤维分散液加入到反应釜中,然后将30-60份甲基丙烯酸甲酯、0.8-1.6份催化剂和0.3-0.7份阻聚剂加入到玻璃纤维分散液中,80-100℃回流条件下反应2-4h,将甲醇分离,得到玻璃纤维复合液。
优选地,所述的催化剂为氢氧化镁。
优选地,所述的阻聚剂为钛酸四异丙酯。
优选地,所述的固化剂选自过氧化环已酮或过氧化二苯甲酰。
优选地,所述阻燃剂选自十溴二苯醚、四溴双酚A或氢氧化铝的一种或多种。
优选地,所述的填料选自碳酸钙、滑石粉或石英粉中一种或几种。
本发明还提供一种防火防腐玻纤AS增强塑料电缆桥架的加工工艺,包括以下步骤:包括以下步骤:所述的玻纤AS增强塑料电缆桥架采用压模成型一体工艺制成,具体包括如下步骤:将相应计量份的改性AS树脂、氧化镁、阻燃剂和填料混合均匀,然后加入玻璃纤维复合液和固化剂搅拌5-10min,保证各组分分布均匀,然后加入已升温的模具中,经压模、冷却和清洗,得到成品。
有益效果:本发明将玻璃纤维在盐酸溶液中前处理,从而将纤维表面的羟基充分暴露出来,在一定条件下与甲基丙烯酸甲酯进行酯交换反应,使得玻纤表面引入强极性的酯基,同时在AS侧基上引入强极性的马来酸酐基团,相似相溶,从而增强了玻璃纤维表面与改性AS树脂之间的相容性,进而改善电缆桥架的机械性能,阻燃、耐水、耐酸、耐碱等特性。
具体实施方式
为了加深对本发明的理解,下面将结合实施例对本发明作进一步详述,该实施例仅用于解释本发明,并不构成对本发明保护范围的限定。
实施例1
一种防火防腐玻纤AS增强塑料电缆桥架,按重量份包括以下组分:改性AS树脂70份、玻璃纤维复合液45份、氧化镁1份、过氧化环已酮1.5份、十溴二苯醚8份和滑石粉6份;
上述玻纤AS增强塑料电缆桥架的加工工艺为:
A.改性AS树脂的制备:将AS树脂80份、马来酸酐3份、过氧化二异丙苯1份和抗氧剂10764份,称量好后,依次放入高速混合机中混合均匀,将混合均匀的料加入到双螺杆挤出机中,控制双螺杆挤出机料筒的温度为220℃,双螺杆挤出机模头的温度为180℃,经熔融共混挤出,冷却、切料得到改性AS树脂;
B.玻璃纤维复合液的制备:
(1)将35份玻璃纤维加入至20%盐酸溶液中,100℃下处理4h,然后在甲醇中分散搅拌10min,得到质量浓度为7wt%的玻璃纤维分散液;
(2)将玻璃纤维分散液加入到反应釜中,然后将50份甲基丙烯酸甲酯、1.5份氢氧化镁和0.5份钛酸四异丙酯加入到玻璃纤维分散液中,80℃回流条件下反应2h,将甲醇分离,得到玻璃纤维复合液;
C.将相应计量份的改性AS树脂、氧化镁、阻燃剂和填料混合均匀,然后加入玻璃纤维复合液和固化剂搅拌8min,保证各组分分布均匀,然后加入已升温的模具中,经压模、冷却和清洗,得到成品。
实施例2
一种防火防腐玻纤AS增强塑料电缆桥架,按重量份包括以下组分:改性AS树脂80份、玻璃纤维复合液40份、氧化镁2份、过氧化二苯甲酰0.5份、氢氧化铝9份和石英粉5份;
上述玻纤AS增强塑料电缆桥架的加工工艺为:
A.改性AS树脂的制备:将AS树脂90份、马来酸酐2份、过氧化二异丙苯1.5份和抗氧剂10765份,称量好后,依次放入高速混合机中混合均匀。将混合均匀的料加入到双螺杆挤出机中,控制双螺杆挤出机料筒的温度为200℃,双螺杆挤出机模头的温度为180℃,经熔融共混挤出,冷却、切料得到改性AS树脂;
B.玻璃纤维复合液的制备:
(1)将40份玻璃纤维加入至20%盐酸溶液中,100℃下处理5h,甲醇中分散搅拌15min,得到质量浓度为8wt%的玻璃纤维分散液;
(2)将玻璃纤维分散液加入到反应釜中,然后将45份甲基丙烯酸甲酯、1份氧化镁和0.6份钛酸四异丙酯加入到玻璃纤维分散液中,90℃回流条件下反应3h,将甲醇分离,得到玻璃纤维复合液;
C.将相应计量份的改性AS树脂、氧化镁、阻燃剂和填料混合均匀,然后加入玻璃纤维复合液和固化剂搅拌10min,保证各组分分布均匀,然后加入已升温的模具中,经压模、冷却和清洗,得到成品。
经测试,实施例1和2的玻纤AS增强塑料电缆桥架性能测试指标如表1、表2和表3所示:
表1
表2
表3
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (7)

1.一种防火防腐玻纤AS增强塑料电缆桥架,其特征在于,按重量份包括以下组分:改性AS树脂60-85份、玻璃纤维复合液35-50份、氧化镁1-2份、固化剂0.5-2份、阻燃剂7-10份和填料4-7份;
所述的改性AS树脂的制备方法为:将AS树脂70-100份、马来酸酐2-3份、过氧化二异丙苯0.5-1.5份和抗氧剂1076 3-5份,称量好后,依次放入高速混合机中混合均匀,将混合均匀的料加入双螺杆挤出机中,控制双螺杆挤出机料筒的温度为180-220℃,双螺杆挤出机模头的温度为150-200℃,经熔融共混挤出,冷却、切料得到改性AS树脂;
所述的玻璃纤维复合液的制备方法为:
(1)将20-40份玻璃纤维加入至20%盐酸溶液中,100℃下处理4-6h后,然后在甲醇中分散搅拌10-20min,得到质量浓度为5-8wt%的玻璃纤维分散液;
(2)将玻璃纤维分散液加入到反应釜中,然后将30-60份甲基丙烯酸甲酯、0.8-1.6份催化剂和0.3-0.7份阻聚剂加入到玻璃纤维分散液中,80-100℃回流条件下反应2-4h,将甲醇分离,得到玻璃纤维复合液。
2.根据权利要求1所述的一种防火防腐玻纤AS增强塑料电缆桥架,其特征在于,所述的催化剂为氢氧化镁。
3.根据权利要求1所述的一种防火防腐玻纤AS增强塑料电缆桥架,其特征在于,所述的阻聚剂为钛酸四异丙酯。
4.根据权利要求要求1所述的一种防火防腐玻纤AS增强塑料电缆桥架,其特征在于,所述的固化剂选自过氧化环已酮或过氧化二苯甲酰。
5.根据权利要求要求1所述的一种防火防腐玻纤AS增强塑料电缆桥架,其特征在于,所述阻燃剂选自十溴二苯醚、四溴双酚A或氢氧化铝的一种或多种。
6.根据权利要求要求1所述的一种防火防腐玻纤AS增强塑料电缆桥架,其特征在于,所述的填料选自碳酸钙、滑石粉或石英粉中一种或几种。
7.一种如权利要求1-6任一权利要求所述的防火防腐玻纤AS增强塑料电缆桥架的加工工艺,其特征在于,包括以下步骤:所述的玻纤AS增强塑料电缆桥架采用压模成型一体工艺制成,具体包括如下步骤:将相应计量份的改性AS树脂、氧化镁、阻燃剂和填料混合均匀,然后加入玻璃纤维复合液和固化剂搅拌5-10min,保证各组分分布均匀,然后加入已升温的模具中,经压模、冷却和清洗,得到成品。
CN201910413939.3A 2019-05-17 2019-05-17 一种防火防腐玻纤as增强塑料电缆桥架及其加工工艺 Pending CN110105698A (zh)

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