CN111572103A - 一种聚丙烯复合保温管 - Google Patents

一种聚丙烯复合保温管 Download PDF

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CN111572103A
CN111572103A CN202010284307.4A CN202010284307A CN111572103A CN 111572103 A CN111572103 A CN 111572103A CN 202010284307 A CN202010284307 A CN 202010284307A CN 111572103 A CN111572103 A CN 111572103A
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polypropylene
weight ratio
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刘文杰
汪磊
邱桥平
黄练兵
于麒
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Rifeng Enterprise Foshan Co Ltd
Rifeng Enterprise Group Co Ltd
Rifeng Technology Co Ltd
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Rifeng Enterprise Group Co Ltd
Rifeng Technology Co Ltd
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Abstract

本发明提供了一种聚丙烯复合保温管,所述聚丙烯复合保温管从内到外依次包括防垢内层、中间保温层、抗UV外层;所述防垢内层包括聚丙烯和氟硅材料,所述防垢内层中聚丙烯和氟硅材料的重量比100:0.2~2;所述中间保温层包括聚丙烯和中空玻璃纤维,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~40;所述抗UV外层包括聚丙烯和紫外线吸收剂UV‑327,所述抗UV外层中聚丙烯和紫外线吸收剂UV‑327的重量比为100:0.2~0.8。本发明的聚丙烯复合保温管同时对聚丙烯管材的层状结构及各层材料组分和含量改进,聚丙烯复合保温管强度高、防垢和保温性能好,且具有抗紫外性能。

Description

一种聚丙烯复合保温管
技术领域
本发明涉及管材技术领域,具体涉及一种聚丙烯复合保温管。
背景技术
聚丙烯(PP)管道系统具有重量轻、耐腐蚀、使用寿命长、安装方便、连接可靠等众多优点,在建筑材料中得到了广泛的应用。尤其在冷热水输送领域,PP管的用量占据首位,总用量约占所有冷热水输送塑料管材的50%,但用于热水管道的长期使用过程中,由于管路较长、温差较大,输送过程中有较大的热量损失,尤其是部分国家户外使用输水管道,对户外管道抗UV性能要求较高,另一方面,管材内壁易产生污垢导致卫生性降低,增加内管堵塞以及水流阻力,同时随着城市高层建筑的发展,对高承压PP管道有了新需求,而现有的聚丙烯管材无法同时满足上述几种性能的要求。
发明内容
本发明的目的在于克服现有技术存在的不足之处而提供一种聚丙烯复合保温管。
为实现上述目的,本发明采取的技术方案为:一种聚丙烯复合保温管,所述聚丙烯复合保温管从内到外依次包括防垢内层、中间保温层、抗UV外层;
所述防垢内层包括聚丙烯和氟硅材料,所述防垢内层中聚丙烯和氟硅材料的重量比为100:0.2~2;
所述中间保温层包括聚丙烯和中空玻璃纤维,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~40;
所述抗UV外层包括聚丙烯和紫外线吸收剂UV-327(2-(2'-羟基-3',5'-二特丁基苯基)-5-氯苯并三唑),所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.2~0.8。
上述的聚丙烯复合保温管由内、中、外三层组成,并且分别限定了内、中、外三层的材料组分和含量,通过同时对聚丙烯管材的层状结构及各层材料组分和含量的改进,上述的聚丙烯复合保温管强度高、防垢和保温性能好,且具有抗紫外性能。
优选地,所述防垢内层中聚丙烯和氟硅材料的重量比为100:1~2。
发明人通过研究发现,当防垢内层中聚丙烯和氟硅材料的重量比为100:1~2时,聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能。
优选地,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~20。
发明人通过研究发现,当中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~20时,聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能。
优选地,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.5~0.8。
发明人通过研究发现,当抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.5~0.8时,聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能。
优选地,所述防垢内层中聚丙烯和氟硅材料的重量比为100:1~2,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~20,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.5~0.8。
发明人通过研究发现,上述的聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能。
优选地,所述防垢内层、中间保温层和抗UV外层的厚度比例为0.8~1.2:1:0.8~1.2。
发明人通过研究发现,当防垢内层、中间保温层和抗UV外层的厚度比例为0.8~1.2:1:0.8~1.2时,聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能。
优选地,所述抗UV外层还包括色母。
本发明的有益效果在于:本发明提供了一种聚丙烯复合保温管,本发明的聚丙烯复合保温管由内、中、外三层组成,并且分别限定了内、中、外三层的材料组分和含量,通过同时对聚丙烯管材的层状结构及各层材料组分和含量的改进,上述的聚丙烯复合保温管强度高、防垢和保温性能好,且具有抗紫外性能。
附图说明
图1为本发明实施例的聚丙烯复合保温管的截面结构示意图。其中,1、防垢内层,2、中间保温层,3、抗UV外层。
具体实施方式
为更好的说明本发明的目的、技术方案和优点,下面将结合具体实施例对本发明作进一步说明。
实施例1
作为本发明实施例的一种聚丙烯复合保温管,所述聚丙烯复合保温管从内到外依次包括防垢内层1、中间保温层2、抗UV外层3,所述聚丙烯复合保温管的外径为20mm;
所述防垢内层的厚度为0.9mm,所述中间保温层厚度为1.0mm,所述抗UV外层厚度为0.9mm;
所述防垢内层包括聚丙烯和氟硅材料,所述防垢内层中聚丙烯和氟硅材料的重量比为100:2;
所述中间保温层包括聚丙烯和中空玻璃纤维,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:40;
所述抗UV外层包括聚丙烯和紫外线吸收剂UV-327,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.8。
实施例2
作为本发明实施例的一种聚丙烯复合保温管,所述聚丙烯复合保温管从内到外依次包括防垢内层1、中间保温层2、抗UV外层3,所述聚丙烯复合保温管的外径为20mm;
所述防垢内层的厚度为0.9mm,所述中间保温层厚度为1.0mm,所述抗UV外层厚度为0.9mm;
所述防垢内层包括聚丙烯和氟硅材料,所述防垢内层中聚丙烯和氟硅材料的重量比为100:0.2;
所述中间保温层包括聚丙烯和中空玻璃纤维,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10;
所述抗UV外层包括聚丙烯和紫外线吸收剂UV-327,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.2。
实施例3
作为本发明实施例的一种聚丙烯复合保温管,所述聚丙烯复合保温管从内到外依次包括防垢内层1、中间保温层2、抗UV外层3,所述聚丙烯复合保温管的外径为20mm;
所述防垢内层的厚度为0.9mm,所述中间保温层厚度为1.0mm,所述抗UV外层厚度为0.9mm;
所述防垢内层包括聚丙烯和氟硅材料,所述防垢内层中聚丙烯和氟硅材料的重量比为100:1;
所述中间保温层包括聚丙烯和中空玻璃纤维,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:20;
所述抗UV外层包括聚丙烯和紫外线吸收剂UV-327,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.5。
对比例1
本对比例为一种给水用PP管材S3.2-20*2.8,外径为20mm,壁厚为2.8mm。
效果例1
对比实施例1-3与对比例1的管材进行性能测试,各性能测试依据标准如下:(1)管材静液压:GB/T18742-2017;(2)管材纵向回缩率:GB/T6671-2001;(3)水接触角:GB/T30693-2014;(4)材料导热系数:GBT10297-2015;(5)爆破压力:GB/T 15560-1995;(6)抗UV:GB/T 16422.3-2014(方法A-1)。测试结果如表1所示。
表1管材性能测试结果
Figure BDA0002447378720000051
由表1可得,本发明的高强度抗紫外线PP复合保温管具有较好的疏水防垢性,其导热系数明显比普通的给水用PP管更低,说明其具有较好的保温效果;另外,其还具有高强度的优点,抗压力也明显优于普通的给水用PP管。
通过对比表1中的结果,说明当防垢内层中聚丙烯和氟硅材料的重量比100:1~2时,聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能;当中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~20时,聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能;当聚丙烯和紫外线吸收剂UV-327的重量比为100:0.5~0.8时,聚丙烯复合保温管具有更好的强度、防垢、保温和抗紫外性能。
最后所应当说明的是,以上实施例仅用以说明本发明的技术方案而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。

Claims (7)

1.一种聚丙烯复合保温管,其特征在于,所述聚丙烯复合保温管从内到外依次包括防垢内层、中间保温层、抗UV外层;
所述防垢内层包括聚丙烯和氟硅材料,所述防垢内层中聚丙烯和氟硅材料的重量比为100:0.2~2;
所述中间保温层包括聚丙烯和中空玻璃纤维,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~40;
所述抗UV外层包括聚丙烯和紫外线吸收剂UV-327,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.2~0.8。
2.根据权利要求1所述的聚丙烯复合保温管,其特征在于,所述防垢内层中聚丙烯和氟硅材料的重量比为100:1~2。
3.根据权利要求1所述的聚丙烯复合保温管,其特征在于,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~20。
4.根据权利要求1所述的聚丙烯复合保温管,其特征在于,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.5~0.8。
5.根据权利要求1所述的聚丙烯复合保温管,其特征在于,所述防垢内层中聚丙烯和氟硅材料的重量比100:1~2,所述中间保温层中聚丙烯和中空玻璃纤维的重量比为100:10~20,所述抗UV外层中聚丙烯和紫外线吸收剂UV-327的重量比为100:0.5~0.8。
6.根据权利要求1所述的聚丙烯复合保温管,其特征在于,所述防垢内层、中间保温层和抗UV外层的厚度比例为0.8~1.2:1:0.8~1.2。
7.根据权利要求1所述的聚丙烯复合保温管,其特征在于,所述抗UV外层还包括色母。
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