CN105906919A - 一种建筑用高强度抗压聚烯烃复合管及其制备方法 - Google Patents

一种建筑用高强度抗压聚烯烃复合管及其制备方法 Download PDF

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CN105906919A
CN105906919A CN201610511142.3A CN201610511142A CN105906919A CN 105906919 A CN105906919 A CN 105906919A CN 201610511142 A CN201610511142 A CN 201610511142A CN 105906919 A CN105906919 A CN 105906919A
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郭寒冰
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Hefei Guangjucai Building Decoration Engineering Co Ltd
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Abstract

本发明公开一种建筑用高强度抗压聚烯烃复合管，包括聚烯烃树脂70‑100份、高强度抗压母粒5‑13份、玻璃纤维1‑10份、相容剂0.3‑0.7份；所述高强度抗压母粒由下列组分制备而成：高流动速率聚丙烯60‑90份、纳米碳酸钙15‑25份、金属氧化物15‑35份、偶联剂0.1‑0.3份、抗氧剂0.2‑0.8份、其他助剂0‑2份；本发明还公开了一种制备建筑用高强度抗压聚烯烃复合管的方法。本发明建筑用高强度抗压聚烯烃复合管在聚烯烃树脂中加入高强度抗压母粒、玻璃纤维，高强度抗压母粒和玻璃纤维均能提高复合管的强度；高强度抗压母粒生产工艺简单，价格低廉，应用于不同玻璃纤维增强聚烯烃复合管；本发明建筑用高强度抗压聚烯烃复合管具有优异的抗压性能，强度高，耐老化、使用寿命长。

Description

一种建筑用高强度抗压聚烯烃复合管及其制备方法
技术领域
本发明属于建筑装饰技术领域，涉及一种建筑用高强度抗压聚烯烃复合管及其制备方法。
背景技术
随着国民经济的飞速发展和科学技术的进步，聚乙烯建筑管道以它独有的特性，已经在建筑行业中得到了普遍的一应用。早在20世纪40年代末，发达国家就已经开始研究聚乙烯建筑管道，并应用于建筑工程中。英国1979年铺设的建筑管中，聚乙烯管道占80％，美国在1983年铺设的建筑管中聚乙烯管道占了88.6％，现在欧美日等国家已全部聚乙烯建筑管道。聚乙烯建筑管道具有耐低温、耐腐蚀、韧性好、易施工、漏点少，经济等优点。
在建筑施工的管网中，刮痕是无法避免的。刮痕造成材料的应力集中，引发管道的破坏。建筑大多埋地设置，这就要求聚乙烯管道具有良好的快速裂纹传递抵抗能力。管道快速开裂是指在管道偶然发生开裂时，裂纹以几百米每秒的速度迅速增长，瞬间造成几十米甚至上千米管道破坏的大事故。现有技术聚乙烯管道的强度和抗压性能还有待提高。
发明内容
本发明的目的在于提供一种建筑用高强度抗压聚烯烃复合管及其制备方法。
本发明的目的可以通过以下技术方案实现：
一种建筑用高强度抗压聚烯烃复合管，所述建筑用高强度抗压聚烯烃复合管是由下列组份按重量份制备而成：
聚烯烃树脂：70-100份
高强度抗压母粒：5-13份
玻璃纤维：1-10份
相容剂：0.3-0.7份
所述高强度抗压母粒由下列组分按重量份制备而成：
高流动速率聚丙烯：60-90份
纳米碳酸钙：15-25份
金属氧化物：15-35份
偶联剂：0.1-0.3份
抗氧剂：0.2-0.8份
其他助剂：0-2份。
所述聚烯烃树脂为聚乙烯、聚丙烯或聚氯乙烯树脂；所述高流动速率聚丙烯是指在230℃/2.16KG条件下熔融指数大于30g/10min的均聚聚丙烯或共聚聚丙烯。
所述纳米碳酸钙粒径为80-150nm。
所述金属氧化物为氧化锌或氧化钙。
所述偶联剂为硅烷偶联剂或钛酸酯偶联剂，所述抗氧剂为抗氧剂1010、抗氧剂168、抗氧剂264、抗氧剂BHT、抗氧剂DLTP中的至少一种。
所述其他助剂包括润滑剂、热稳定剂、分散剂。
本发明还提供了一种制备建筑用高强度抗压聚烯烃复合管的方法，所述方法包括以下步骤：
(1)制备高强度抗压母粒：按重量份，将60-90份高流动速率聚丙烯、15-25份纳米碳酸钙、15-35份金属氧化物、0.1-0.3份偶联剂、0.2-0.8份抗氧剂、0-2份其他助剂一起加入密炼机混炼制得高强度抗压母粒；
(2)制备聚烯烃复合管：按重量份，将(1)制备的5-13份高强度抗压母粒、70-100份聚烯烃树脂、1-10份玻璃纤维、0.3-0.7份相容剂加入高速混合机混合，经过双螺杆挤出机熔融挤出成型，即得到建筑用高强度抗压聚烯烃复合管。
本发明的有益效果：本发明建筑用高强度抗压聚烯烃复合管在聚烯烃树脂中加入高强度抗压母粒、玻璃纤维，高强度抗压母粒和玻璃纤维均能提高复合管的强度；高强度抗压母粒生产工艺简单，价格低廉，应用于不同玻璃纤维增强聚烯烃复合管；本发明建筑用高强度抗压聚烯烃复合管具有优异的抗压性能，强度高，耐老化、使用寿命长。
具体实施方式
下面结合具体实施例对本发明作进一步详细描述。
实施例1
一种建筑用高强度抗压聚烯烃复合管，按重量份计，备料如下：
聚乙烯树脂：85份
高强度抗压母粒：9份
玻璃纤维：6份
相容剂：0.5份
高强度抗压母粒由下列组分制备而成：
高流动速率聚丙烯：80份，高流动速率聚丙烯是指在230℃/2.16KG条件下熔融指数大于30g/10min的均聚聚丙烯或共聚聚丙烯；
粒径为120nm的纳米碳酸钙：20份
氧化锌：25份
硅烷偶联剂：0.2份
抗氧剂1010：0.5份
润滑剂：1份。
制备建筑用高强度抗压聚烯烃复合管的方法：
(1)制备高强度抗压母粒：将高流动速率聚丙烯、纳米碳酸钙、金属氧化物、偶联剂、抗氧剂、润滑剂(其他助剂)一起加入密炼机混炼制得高强度抗压母粒；
(2)制备聚烯烃复合管：按重量份，将(1)制备的高强度抗压母粒、聚烯烃树脂、玻璃纤维、相容剂加入高速混合机混合，经过双螺杆挤出机熔融挤出成型，即得到建筑用高强度抗压聚烯烃复合管。
实施例2
聚丙烯树脂：70份
高强度抗压母粒：13份
玻璃纤维：1份
相容剂：0.7份
高强度抗压母粒由下列组分制备而成：
高流动速率聚丙烯：60，高流动速率聚丙烯是指在230℃/2.16KG条件下熔融指数大于30g/10min的均聚聚丙烯或共聚聚丙烯；
粒径为150nm的纳米碳酸钙：15份
氧化钙：35份
钛酸酯偶联剂：0.1份
抗氧剂168：0.8份
热稳定剂：0.5份。
制备建筑用高强度抗压聚烯烃复合管的方法：
(1)制备高强度抗压母粒：将高流动速率聚丙烯、纳米碳酸钙、金属氧化物、偶联剂、抗氧剂、热稳定剂一起加入密炼机混炼制得高强度抗压母粒；
(2)制备聚烯烃复合管：按重量份，将(1)制备高强度抗压母粒、聚烯烃树脂、玻璃纤维、相容剂加入高速混合机混合，经过双螺杆挤出机熔融挤出成型，即得到建筑用高强度抗压聚烯烃复合管。
实施例3
聚氯乙烯树脂：100份
高强度抗压母粒：5份
玻璃纤维：10份
相容剂：0.3份
高强度抗压母粒由下列组分制备而成：
高流动速率聚丙烯：90份，高流动速率聚丙烯是指在230℃/2.16KG条件下熔融指数大于30g/10min的均聚聚丙烯或共聚聚丙烯；
粒径为80nm的纳米碳酸钙：25份
氧化钙：15份
钛酸酯偶联剂：0.3份
抗氧剂264：0.2份
热稳定剂、分散剂：2份。
制备建筑用高强度抗压聚烯烃复合管的方法：
(1)制备高强度抗压母粒：将高流动速率聚丙烯、纳米碳酸钙、金属氧化物、偶联剂、抗氧剂、其他助剂一起加入密炼机混炼制得高强度抗压母粒；
(2)制备聚烯烃复合管：将(1)制备高强度抗压母粒、聚烯烃树脂、玻璃纤维、相容剂加入高速混合机混合，经过双螺杆挤出机熔融挤出成型，即得到建筑用高强度抗压聚烯烃复合管。
以上内容仅仅是对本发明所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (7)

1.一种建筑用高强度抗压聚烯烃复合管，其特征在于，所述建筑用高强度抗压聚烯烃复合管是由下列组份按重量份制备而成：
聚烯烃树脂：70-100份
高强度抗压母粒：5-13份
玻璃纤维：1-10份
相容剂：0.3-0.7份
所述高强度抗压母粒由下列组分按重量份制备而成：
高流动速率聚丙烯：60-90份
纳米碳酸钙：15-25份
金属氧化物：15-35份
偶联剂：0.1-0.3份
抗氧剂：0.2-0.8份
其他助剂：0-2份。
2.根据权利要求1所述的建筑用高强度抗压聚烯烃复合管，其特征在于，所述聚烯烃树脂为聚乙烯、聚丙烯或聚氯乙烯树脂；所述高流动速率聚丙烯是指在230℃/2.16KG条件下熔融指数大于30g/10min的均聚聚丙烯或共聚聚丙烯。
3.根据权利要求1所述的建筑用高强度抗压聚烯烃复合管，其特征在于，所述纳米碳酸钙粒径为80-150nm。
4.根据权利要求1所述的建筑用高强度抗压聚烯烃复合管，其特征在于，所述金属氧化物为氧化锌或氧化钙。
5.根据权利要求1所述的建筑用高强度抗压聚烯烃复合管，其特征在于，所述偶联剂为硅烷偶联剂或钛酸酯偶联剂，所述抗氧剂为抗氧剂1010、抗氧剂168、抗氧剂264、抗氧剂BHT、抗氧剂DLTP中的至少一种。
6.根据权利要求1所述的建筑用高强度抗压聚烯烃复合管，其特征在于，所述其他助剂包括润滑剂、热稳定剂、分散剂。
7.一种制备如权利要求1至6任一项所述的建筑用高强度抗压聚烯烃复合管的方法，其特征在于，所述方法包括以下步骤：
(1)制备高强度抗压母粒：按重量份，将60-90份高流动速率聚丙烯、15-25份纳米碳酸钙、15-35份金属氧化物、0.1-0.3份偶联剂、0.2-0.8份抗氧剂、0-2份其他助剂一起加入密炼机混炼制得高强度抗压母粒；
(2)制备聚烯烃复合管：按重量份，将(1)制备的5-13份高强度抗压母粒、70-100份聚烯烃树脂、1-10份玻璃纤维、0.3-0.7份相容剂加入高速混合机混合，经过双螺杆挤出机熔融挤出成型，即得到建筑用高强度抗压聚烯烃复合管。
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