CN104292686A - 一种耐磨损pvc管材及其制备方法 - Google Patents

一种耐磨损pvc管材及其制备方法 Download PDF

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CN104292686A
CN104292686A CN201410447931.6A CN201410447931A CN104292686A CN 104292686 A CN104292686 A CN 104292686A CN 201410447931 A CN201410447931 A CN 201410447931A CN 104292686 A CN104292686 A CN 104292686A
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杨应刚
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LU'AN CITY SHUNDA PLASTIC Co Ltd
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Abstract

本发明公开了一种耐磨损PVC管材及其制备方法。其由下列重量份的原料制成：SG-5型PVC60-80、超高分子量聚乙烯20-30、二硒化钨4-8、氮化钛5-10、富勒烯5-10、低粘度聚ɑ-烯烃8-14、聚四氟乙烯超细粉5-10、霍霍巴蜡3-6、邻苯二甲酸双十三酯10-15、沉淀白炭黑15-20、油酸镁2-4、海泡石粉10-15、碳酸铅2-3、对苯二亚甲基二樟脑磺酸1-2、4,4'-双(α,α-二甲基苄基)二苯胺1-2、助剂4-6。本发明制得的PVC管材不仅具有优异的耐磨性和耐温性，还具有良好的耐腐蚀性、抗冲击性、耐压性和耐老化性，使用寿命长，且加工简单，价格低廉，安全可靠，应用广阔。

Description

一种耐磨损PVC管材及其制备方法
技术领域
本发明涉及一种PVC管材及其制备方法，具体涉及一种耐磨损PVC管材及其制备方法。
背景技术
PVC管材因具有优良的化学稳定性，卓越的电绝缘性和良好的柔软性和着色性，可以用来代替橡胶管、聚乙烯管材，用以输送液体，也用作电缆套管及电线绝缘管等，应用十分广泛。然而随着科技水平的快速发展，对PVC管材的性能要求愈来愈高。目前市场上的PVC管材存在着耐磨性差的缺点，在输送电厂、矿厂等企业产生的含有废矿渣的液体时，容易产生磨损，大大降低了其使用寿命。
发明内容
本发明的目的在于针对现有技术的不足，提供一种耐磨损PVC管材及其制备方法，提高PVC管材的耐磨性，延长其使用寿命。
为实现上述目的，本发明采用的技术方案如下：
    一种耐磨损PVC管材，由下列重量份的原料制成：SG-5型PVC 60-80、超高分子量聚乙烯20-30、二硒化钨4-8、氮化钛5-10、富勒烯5-10、低粘度聚ɑ-烯烃 8-14、聚四氟乙烯超细粉5-10、霍霍巴蜡3-6、邻苯二甲酸双十三酯10-15、沉淀白炭黑15-20、油酸镁2-4、海泡石粉10-15、碳酸铅2-3、对苯二亚甲基二樟脑磺酸1-2、4,4'-双(α,α-二甲基苄基)二苯胺1-2、助剂4-6；
    所述助剂的制备方法如下：a、取下列重量份的原料：山梨坦橄榄油酸酯2-3、微囊化玫瑰精油0.5-1、纳米氧化铟锡3-5、二烷基二硫代磷酸钼1-2、聚乙二醇二甲基丙烯酸酯4-6、硅酸铝5-8、双(二辛氧基焦磷酸酯基)乙撑钛酸酯1-2、硅藻土粉3-5、水杨酰苯胺1-2、2-叔丁基对苯二酚0.5-1、三羟甲基丙烷三(2-巯基乙酸酯)1-2；b、将纳米氧化铟锡、硅酸铝、山梨坦橄榄油酸酯、双(二辛氧基焦磷酸酯基)乙撑钛酸酯一同投入高速搅拌机内，2000-3000rpm高速搅拌4-6min，然后加入聚乙二醇二甲基丙烯酸酯、硅藻土粉、微囊化玫瑰精油，3500-4500rpm高速搅拌3-5min，最后加入余下原料，1000-1500rpm高速搅拌2-3min，冷却至室温，即可。
    本发明的耐磨损PVC管材的制备方法，包括以下步骤：
    （1）将SG-2型PVC、低粘度聚ɑ-烯烃、氮化钛、富勒烯、沉淀白炭黑、霍霍巴蜡一同投入高速搅拌机内，1000-1500rpm高速搅拌至料温达到60-70℃时停止搅拌，冷却至室温，得混合料A；
    （2）将超高分子量聚乙烯、邻苯二甲酸双十三酯、二硒化钨、聚四氟乙烯超细粉、海泡石粉、油酸镁一同投入高速搅拌机内，1500-2000rpm高速搅拌至料温达到75-85℃时停止搅拌，冷却至室温，得混合料B；
    （3）将上述得到的混合料A、混合料B以及余下原料一同投入高速搅拌机内，2500-3500rpm高速搅拌至料温达到100-120℃时停止搅拌；然后将物料输送到冷混机中搅拌降温，待物料温度降至40-50℃时，出料；
    （4）将步骤（3）得到的混合料送至双螺杆挤出机中，在175-205℃加工温度下挤出成型制成管材即可。   
本发明的有益效果：
本发明制得的PVC管材不仅具有优异的耐磨性和耐温性，还具有良好的耐腐蚀性、抗冲击性、耐压性和耐老化性，使用寿命长，且加工简单，价格低廉，安全可靠，应用广阔。
具体实施方式
    一种耐磨损PVC管材，由下列重量（kg）的原料制成：SG-5型PVC 70、超高分子量聚乙烯25、二硒化钨6、氮化钛8、富勒烯7、低粘度聚ɑ-烯烃 12、聚四氟乙烯超细粉8、霍霍巴蜡4、邻苯二甲酸双十三酯12、沉淀白炭黑18、油酸镁3、海泡石粉12、碳酸铅2.5、对苯二亚甲基二樟脑磺酸1.5、4,4'-双(α,α-二甲基苄基)二苯胺1、助剂5；
    所述助剂的制备方法如下：a、取下列重量（kg）的原料：山梨坦橄榄油酸酯2.5、微囊化玫瑰精油0.7、纳米氧化铟锡4、二烷基二硫代磷酸钼1.5、聚乙二醇二甲基丙烯酸酯5、硅酸铝6、双(二辛氧基焦磷酸酯基)乙撑钛酸酯1.5、硅藻土粉4、水杨酰苯胺1.5、2-叔丁基对苯二酚0.8、三羟甲基丙烷三(2-巯基乙酸酯)1.5；b、将纳米氧化铟锡、硅酸铝、山梨坦橄榄油酸酯、双(二辛氧基焦磷酸酯基)乙撑钛酸酯一同投入高速搅拌机内，3000rpm高速搅拌4min，然后加入聚乙二醇二甲基丙烯酸酯、硅藻土粉、微囊化玫瑰精油，4500rpm高速搅拌3min，最后加入余下原料，1500rpm高速搅拌2min，冷却至室温，即可。
    耐磨损PVC管材的制备方法，包括以下步骤：
    （1）将SG-2型PVC、低粘度聚ɑ-烯烃、氮化钛、富勒烯、沉淀白炭黑、霍霍巴蜡一同投入高速搅拌机内，1000-1500rpm高速搅拌至料温达到60-70℃时停止搅拌，冷却至室温，得混合料A；
    （2）将超高分子量聚乙烯、邻苯二甲酸双十三酯、二硒化钨、聚四氟乙烯超细粉、海泡石粉、油酸镁一同投入高速搅拌机内，1500-2000rpm高速搅拌至料温达到75-85℃时停止搅拌，冷却至室温，得混合料B；
    （3）将上述得到的混合料A、混合料B以及余下原料一同投入高速搅拌机内，2500-3500rpm高速搅拌至料温达到100-120℃时停止搅拌；然后将物料输送到冷混机中搅拌降温，待物料温度降至40-50℃时，出料；
    （4）将步骤（3）得到的混合料送至双螺杆挤出机中，在175-205℃加工温度下挤出成型制成管材即可。
上述制得的PVC管材性能检测如下表所示：

Claims (2)

1.一种耐磨损PVC管材，其特征在于，由下列重量份的原料制成：SG-5型PVC 60-80、超高分子量聚乙烯20-30、二硒化钨4-8、氮化钛5-10、富勒烯5-10、低粘度聚ɑ-烯烃 8-14、聚四氟乙烯超细粉5-10、霍霍巴蜡3-6、邻苯二甲酸双十三酯10-15、沉淀白炭黑15-20、油酸镁2-4、海泡石粉10-15、碳酸铅2-3、对苯二亚甲基二樟脑磺酸1-2、4,4'-双(α,α-二甲基苄基)二苯胺1-2、助剂4-6；
    所述助剂的制备方法如下：a、取下列重量份的原料：山梨坦橄榄油酸酯2-3、微囊化玫瑰精油0.5-1、纳米氧化铟锡3-5、二烷基二硫代磷酸钼1-2、聚乙二醇二甲基丙烯酸酯4-6、硅酸铝5-8、双(二辛氧基焦磷酸酯基)乙撑钛酸酯1-2、硅藻土粉3-5、水杨酰苯胺1-2、2-叔丁基对苯二酚0.5-1、三羟甲基丙烷三(2-巯基乙酸酯)1-2；b、将纳米氧化铟锡、硅酸铝、山梨坦橄榄油酸酯、双(二辛氧基焦磷酸酯基)乙撑钛酸酯一同投入高速搅拌机内，2000-3000rpm高速搅拌4-6min，然后加入聚乙二醇二甲基丙烯酸酯、硅藻土粉、微囊化玫瑰精油，3500-4500rpm高速搅拌3-5min，最后加入余下原料，1000-1500rpm高速搅拌2-3min，冷却至室温，即可。
2.一种如权利要求1所述的耐磨损PVC管材的制备方法，其特征在于包括以下步骤：
（1）将SG-2型PVC、低粘度聚ɑ-烯烃、氮化钛、富勒烯、沉淀白炭黑、霍霍巴蜡一同投入高速搅拌机内，1000-1500rpm高速搅拌至料温达到60-70℃时停止搅拌，冷却至室温，得混合料A；
（2）将超高分子量聚乙烯、邻苯二甲酸双十三酯、二硒化钨、聚四氟乙烯超细粉、海泡石粉、油酸镁一同投入高速搅拌机内，1500-2000rpm高速搅拌至料温达到75-85℃时停止搅拌，冷却至室温，得混合料B；
（3）将上述得到的混合料A、混合料B以及余下原料一同投入高速搅拌机内，2500-3500rpm高速搅拌至料温达到100-120℃时停止搅拌；然后将物料输送到冷混机中搅拌降温，待物料温度降至40-50℃时，出料；
（4）将步骤（3）得到的混合料送至双螺杆挤出机中，在175-205℃加工温度下挤出成型制成管材即可。
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Cited By (1)

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CN105799286A (zh) * 2016-05-24 2016-07-27 苏州新区特氟龙塑料制品厂 一种复合高强度耐用塑料

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Application publication date: 20150121