CN104861333A - 一种高抗冲高流动性聚氯乙烯电缆料 - Google Patents
一种高抗冲高流动性聚氯乙烯电缆料 Download PDFInfo
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Abstract
本发明公开了一种高抗冲高流动性聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯50%~70%、抗冲改性剂6%~9%、玻璃纤维5%~10%、SAN2%~4%、TPEE1%~3%、邻苯二甲酸二辛酯4%~6%、钙锌稳定剂0.5%~1.5%、硬脂酸钙0.5%~1%、耐老化剂0.5%~2%、抗氧剂0.1%~0.5%、氰尿酸三聚氰胺5%~8%、填料2%~8%。所述填料是由重质碳酸钙占50wt%、沉淀硫酸钡占25wt%、硅灰石占20wt%、铝钛复合偶联剂占5wt%的均匀分散而制得的复配物,本发明的有益效果是,本发明具有优异的低温抗冲击性能和流动加工性能,而且力学性能好,强度高,阻燃性优良,成本低。
Description
技术领域
本发明涉及电力材料技术领域,具体地说是一种高抗冲高流动性聚氯乙烯电缆料。
背景技术
聚氯乙烯(PVC)是一种成本低廉、加工性能优良的材料,广泛应用于电线电缆行业。但聚氯乙烯却存在低温抗冲击性能差、流动性不好、阻燃性不高等问题,这将大大地限制了其的应用范围。
发明内容
本发明的目的在于提供一种综合性能优良的高抗冲高流动性聚氯乙烯电缆料,能够适于高低温环境。
本发明解决其技术问题所采用的技术方案是:一种高抗冲高流动性聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯50%~70%、抗冲改性剂6%~9%、玻璃纤维5%~10%、SAN 2%~4%、TPEE 1%~3%、邻苯二甲酸二辛酯4%~6%、钙锌稳定剂0.5%~1.5%、硬脂酸钙0.5%~1%、耐老化剂0.5%~2%、抗氧剂0.1%~0.5%、氰尿酸三聚氰胺5%~8%、填料2%~8%。
所述聚氯乙烯的平均聚合度在800~1200、重均分子量在50000~120000、粒度在100~300目范围。
所述抗冲改性剂为氯化聚乙烯、乙烯-辛烯共聚物、乙烯-醋酸乙烯共聚物、丙烯腈-丁二烯-苯乙烯共聚物、甲基丙烯酸酯-丁二烯-苯乙烯共聚物、甲基丙烯酸酯-丙烯酸酯共聚物、丙烯酸酯-苯乙烯-丙烯腈共聚物、丁腈橡胶、丁苯橡胶中的至少一种。
所述玻璃纤维为表面经硅烷偶联剂处理、且直径在4~18μm、长度3~6mm、长径比7~9范围内的无碱玻璃纤维。
所述SAN为分子量在100000~150000范围的苯乙烯-丙烯腈共聚物,且其中的丙烯腈占20wt%~35wt%。
所述TPEE为聚对苯二甲酸丁二酯-聚环氧乙烷-聚环氧丙烷嵌段共聚物。
所述耐老化剂为2-(2′-羟基-3′-叔丁基-5′-甲基苯基)-5-氯代苯并三唑、2-(2′-羟基-3′-5′-二叔丁基苯基)-5-氯代苯并三唑、2-(2′-羟基-5′-甲基苯基)苯并三唑、2-羟基-4-正辛氧基二苯甲酮、2-羟基-4-甲氧基二苯甲酮中的至少一种。
所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯或/和β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯。
所述填料是由粒径小于5μm的重质碳酸钙占50wt%、粒径为0.1~1μm的沉淀硫酸钡占25wt%、粒径为5~20μm硅灰石占20wt%、铝钛复合偶联剂占5wt%的均匀分散而制得的复配物。
上述一种高抗冲高流动性聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)、按重量配比50%:25%:20%:5%依次称取粒径小于5μm的重质碳酸钙、粒径为0.1~1μm的沉淀硫酸钡、粒径为5~20μm硅灰石、铝钛复合偶联剂,并加入到高速混合机中,按转速1500~3000r/min加热搅拌至80℃~120℃后,保持搅拌20~40min,然后冷却至45℃以下,得到均匀、干燥的复配物,即为所述的填料,待用;
(2)、按重量配比称取各组分,包括步骤(1)得到的填料;
(3)、将聚氯乙烯、抗冲改性剂、SAN、TPEE、邻苯二甲酸二辛酯、钙锌稳定剂、硬脂酸钙依次加入混合机中,加热搅拌至60℃~80℃后,加入步骤(1)得到的填料,再加入氰尿酸三聚氰胺,加热搅拌至90℃~95℃后,然后加入其它组分,搅拌5~20min,然后停止加热,待物料降温至50℃以下时,出料;
(4)、将步骤(3)得到的物料加入双螺杆挤出机进行塑化风冷造粒,控制双螺杆挤出机温度在155℃~185℃、螺杆转速在30~60r/min范围,即得所述的一种高抗冲高流动性聚氯乙烯电缆料。
本发明的有益效果是,本发明具有优异的低温抗冲击性能和流动加工性能,而且力学性能好,强度高,阻燃性优良,成本低。
具体实施方式
下面结合具体的优选实施例来进一步说明本发明的技术方案。
实施例1:
一种高抗冲高流动性聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯50%、氯化聚乙烯9%、玻璃纤维10%、SAN 4%、TPEE 3%、邻苯二甲酸二辛酯6%、钙锌稳定剂1.5%、硬脂酸钙1%、耐老化剂2%、抗氧剂0.5%、氰尿酸三聚氰胺8%、填料5%,所述玻璃纤维为表面经硅烷偶联剂处理、且直径在4~18μm、长度3~6mm、长径比7~9范围内的无碱玻璃纤维,所述SAN为分子量在100000~150000范围的苯乙烯-丙烯腈共聚物,且其中的丙烯腈占20wt%~35wt%,所述耐老化剂为2-(2′-羟基-3′-叔丁基-5′-甲基苯基)-5-氯代苯并三唑,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,所述填料是由粒径小于5μm的重质碳酸钙占50wt%、粒径为0.1~1μm的沉淀硫酸钡占25wt%、粒径为5~20μm硅灰石占20wt%、铝钛复合偶联剂占5wt%的均匀分散而制得的复配物。
制备方法:(1)、按重量配比50%:25%:20%:5%依次称取粒径小于5μm的重质碳酸钙、粒径为0.1~1μm的沉淀硫酸钡、粒径为5~20μm硅灰石、铝钛复合偶联剂,并加入到高速混合机中,按转速1500~3000r/min加热搅拌至80℃~120℃后,保持搅拌20~40min,然后冷却至45℃以下,得到均匀、干燥的复配物,即为所述的填料,待用;(2)、按重量配比称取各组分,包括步骤(1)得到的填料;(3)、将聚氯乙烯、氯化聚乙烯、SAN、TPEE、邻苯二甲酸二辛酯、钙锌稳定剂、硬脂酸钙依次加入混合机中,加热搅拌至60℃~80℃后,加入步骤(1)得到的填料,再加入氰尿酸三聚氰胺,加热搅拌至90℃~95℃后,然后加入其它组分,搅拌5~20min,然后停止加热,待物料降温至50℃以下时,出料;(4)、将步骤(3)得到的物料加入双螺杆挤出机进行塑化风冷造粒,控制双螺杆挤出机温度在155℃~185℃、螺杆转速在30~60r/min范围,即得所述的一种高抗冲高流动性聚氯乙烯电缆料。
实施例2:
一种高抗冲高流动性聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯70%、乙烯-辛烯共聚物6%、玻璃纤维5%、SAN 2%、TPEE 1%、邻苯二甲酸二辛酯4%、钙锌稳定剂0.5%、硬脂酸钙0.5%、耐老化剂0.5%、抗氧剂0.5%、氰尿酸三聚氰胺5%、填料5%,所述玻璃纤维为表面经硅烷偶联剂处理、且直径在4~18μm、长度3~6mm、长径比7~9范围内的无碱玻璃纤维,所述SAN为分子量在100000~150000范围的苯乙烯-丙烯腈共聚物,且其中的丙烯腈占20wt%~35wt%,所述耐老化剂为2-(2′-羟基-3′-5′-二叔丁基苯基)-5-氯代苯并三唑,所述抗氧剂为β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯,所述填料是由粒径小于5μm的重质碳酸钙占50wt%、粒径为0.1~1μm的沉淀硫酸钡占25wt%、粒径为5~20μm硅灰石占20wt%、铝钛复合偶联剂占5wt%的均匀分散而制得的复配物。
制备方法:(1)、按重量配比50%:25%:20%:5%依次称取粒径小于5μm的重质碳酸钙、粒径为0.1~1μm的沉淀硫酸钡、粒径为5~20μm硅灰石、铝钛复合偶联剂,并加入到高速混合机中,按转速1500~3000r/min加热搅拌至80℃~120℃后,保持搅拌20~40min,然后冷却至45℃以下,得到均匀、干燥的复配物,即为所述的填料,待用;(2)、按重量配比称取各组分,包括步骤(1)得到的填料;(3)、将聚氯乙烯、乙烯-辛烯共聚物、SAN、TPEE、邻苯二甲酸二辛酯、钙锌稳定剂、硬脂酸钙依次加入混合机中,加热搅拌至60℃~80℃后,加入步骤(1)得到的填料,再加入氰尿酸三聚氰胺,加热搅拌至90℃~95℃后,然后加入其它组分,搅拌5~20min,然后停止加热,待物料降温至50℃以下时,出料;(4)、将步骤(3)得到的物料加入双螺杆挤出机进行塑化风冷造粒,控制双螺杆挤出机温度在155℃~185℃、螺杆转速在30~60r/min范围,即得所述的一种高抗冲高流动性聚氯乙烯电缆料。
Claims (6)
1.一种高抗冲高流动性聚氯乙烯电缆料,其特征在于,其组分按质量百分数配比为:聚氯乙烯50%~70%、抗冲改性剂6%~9%、玻璃纤维5%~10%、SAN 2%~4%、TPEE 1%~3%、邻苯二甲酸二辛酯4%~6%、钙锌稳定剂0.5%~1.5%、硬脂酸钙0.5%~1%、耐老化剂0.5%~2%、抗氧剂0.1%~0.5%、氰尿酸三聚氰胺5%~8%、填料2%~8%。
2.根据权利要求1所述的一种高抗冲高流动性聚氯乙烯电缆料,其特征在于,所述抗冲改性剂为氯化聚乙烯、乙烯-辛烯共聚物、乙烯-醋酸乙烯共聚物、丙烯腈-丁二烯-苯乙烯共聚物、甲基丙烯酸酯-丁二烯-苯乙烯共聚物、甲基丙烯酸酯-丙烯酸酯共聚物、丙烯酸酯-苯乙烯-丙烯腈共聚物、丁腈橡胶、丁苯橡胶中的至少一种。
3.根据权利要求1所述的一种高抗冲高流动性聚氯乙烯电缆料,其特征在于,所述玻璃纤维为表面经硅烷偶联剂处理、且直径在4~18μm、长度3~6mm、长径比7~9范围内的无碱玻璃纤维。
4.根据权利要求1所述的一种高抗冲高流动性聚氯乙烯电缆料,其特征在于,所述SAN为分子量在100000~150000范围的苯乙烯-丙烯腈共聚物,且其中的丙烯腈占20wt%~35wt%。
5.根据权利要求1所述的一种高抗冲高流动性聚氯乙烯电缆料,其特征在于,所述填料是由粒径小于5μm的重质碳酸钙占50wt%、粒径为0.1~1μm的沉淀硫酸钡占25wt%、粒径为5~20μm硅灰石占20wt%、铝钛复合偶联剂占5wt%的均匀分散而制得的复配物。
6.根据权利要求1所述的一种高抗冲高流动性聚氯乙烯电缆料的制备方法,其特征在于,包括以下步骤:
(1)、按重量配比50%:25%:20%:5%依次称取粒径小于5μm的重质碳酸钙、粒径为0.1~1μm的沉淀硫酸钡、粒径为5~20μm硅灰石、铝钛复合偶联剂,并加入到高速混合机中,按转速1500~3000r/min加热搅拌至80℃~120℃后,保持搅拌20~40min,然后冷却至45℃以下,得到均匀、干燥的复配物,即为所述的填料,待用;
(2)、按重量配比称取各组分,包括步骤(1)得到的填料;
(3)、将聚氯乙烯、抗冲改性剂、SAN、TPEE、邻苯二甲酸二辛酯、钙锌稳定剂、硬脂酸钙依次加入混合机中,加热搅拌至60℃~80℃后,加入步骤(1)得到的填料,再加入氰尿酸三聚氰胺,加热搅拌至90℃~95℃后,然后加入其它组分,搅拌5~20min,然后停止加热,待物料降温至50℃以下时,出料;
(4)、将步骤(3)得到的物料加入双螺杆挤出机进行塑化风冷造粒,控制双螺杆挤出机温度在155℃~185℃、螺杆转速在30~60r/min范围,即得所述的一种高抗冲高流动性聚氯乙烯电缆料。
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