CN201416705Y - 一种三层复合管 - Google Patents

一种三层复合管 Download PDF

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Publication number
CN201416705Y
CN201416705Y CN2009201522855U CN200920152285U CN201416705Y CN 201416705 Y CN201416705 Y CN 201416705Y CN 2009201522855 U CN2009201522855 U CN 2009201522855U CN 200920152285 U CN200920152285 U CN 200920152285U CN 201416705 Y CN201416705 Y CN 201416705Y
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composite pipe
layer composite
layer
utility
model
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CN2009201522855U
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徐新
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Wang Jianwei
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Abstract

本实用新型涉及一种三层复合管,包括聚乙烯管壁外层和管壁内层,所述聚乙烯管壁外层和管壁内层之间设有由玻璃纤维、硅石灰纤维混合而成的中间层。本实用新型有益效果为:提高了强度及耐热性能,膨胀系数可下降到非交联耐热聚乙烯的膨胀系数的1/3;本实用新型的耐低温性能与PP-R管相比有质的提高,即使在-20℃的低温下,管材也不会因脆性而发生破坏,适用于建筑领域冷热水管道系统及其它工业管道系统。

Description

一种三层复合管
技术领域
本实用新型涉及一种塑料复合管材,尤其涉及一种三层复合管。
背景技术
自2002年起,一种最早由美国陶氏化学研发的非交联耐热聚乙烯材料迅速崛起,特别是在低温地板辐射采暖领域,其用量成倍增长。该材料与传统的聚烯烃材料相比具有耐高温、抗低温脆性、耐压强度高等优点,但是该材料因其刚度差而无法满足建筑所需的力学强度,无法长期在70℃以上高温使用,限制了其在建筑热水管等领域的应用。国内PP-R管道已广泛普及应用,由于PP-R管存在低温脆性大,线膨胀系数高的缺点,在冬季施工会出现管材破裂现象。
实用新型内容
本实用新型的目的是提供一种三层复合管,抗低温脆性、耐压强度高、力学强度好、耐温性能提高、线膨胀系数低。
本实用新型的目的是通过以下技术方案来实现:
一种三层复合管,包括聚乙烯管壁外层和管壁内层,所述聚乙烯管壁外层和管壁内层之间设有由玻璃纤维、硅石灰纤维混合而成的中间层。
本实用新型的有益效果为:提高了强度及耐热性能,膨胀系数可下降到非交联耐热聚乙烯的膨胀系数的1/3;本实用新型的耐低温性能与PP-R管相比有质的提高,即使在-20℃的低温下,管材也不会因脆性而发生破坏,适用于建筑领域冷热水管道系统及其它工业管道系统。
附图说明
下面根据附图对本实用新型作进一步详细说明。
图1是本实用新型实施例所述的一种三层复合管的横截面结构示意图。
图中:
1、管壁外层;2、管壁内层;3、中间层;4、玻璃纤维;5、硅石灰纤维。
具体实施方式
如图1所示,本实用新型实施例所述的一种三层复合管,包括聚乙烯管壁外层1和管壁内层2,所述聚乙烯管壁外层1和管壁内层2之间设有由玻璃纤维4、硅石灰纤维5混合而成的中间层3。

Claims (1)

1、一种三层复合管,包括聚乙烯管壁外层(1)和管壁内层(2),其特征在于:所述聚乙烯管壁外层(1)和管壁内层(2)之间设有由玻璃纤维(4)、硅石灰纤维(5)混合而成的中间层(3)。
CN2009201522855U 2009-04-30 2009-04-30 一种三层复合管 Expired - Fee Related CN201416705Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201522855U CN201416705Y (zh) 2009-04-30 2009-04-30 一种三层复合管

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Application Number Priority Date Filing Date Title
CN2009201522855U CN201416705Y (zh) 2009-04-30 2009-04-30 一种三层复合管

Publications (1)

Publication Number Publication Date
CN201416705Y true CN201416705Y (zh) 2010-03-03

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CN2009201522855U Expired - Fee Related CN201416705Y (zh) 2009-04-30 2009-04-30 一种三层复合管

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107795767A (zh) * 2017-11-27 2018-03-13 重庆联硕塑胶有限公司 刚衬给排水管
CN113659502A (zh) * 2021-09-02 2021-11-16 福建亚通新材料科技股份有限公司 一种抗低温脆性电工套管

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107795767A (zh) * 2017-11-27 2018-03-13 重庆联硕塑胶有限公司 刚衬给排水管
CN113659502A (zh) * 2021-09-02 2021-11-16 福建亚通新材料科技股份有限公司 一种抗低温脆性电工套管

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Hongyue Plastic Group Co., Ltd.

Assignor: Xu Xin

Contract record no.: 2011990000795

Denomination of utility model: A three-layer composite pipe

Granted publication date: 20100303

License type: Exclusive License

Record date: 20110818

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Owner name: WANG JIANWEI

Free format text: FORMER OWNER: XU XIN

Effective date: 20140715

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Free format text: CORRECT: ADDRESS; FROM: 315221 NINGBO, ZHEJIANG PROVINCE TO: 313021 HUZHOU, ZHEJIANG PROVINCE

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Effective date of registration: 20140715

Address after: Zhejiang province Huzhou City Ruixing road 313021 East Development Zone No. 1

Patentee after: Wang Jianwei

Address before: Dongxin road 315221 Zhejiang province Ningbo Zhenhai Economic Development Zone No. 168

Patentee before: Xu Xin

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100303

Termination date: 20140430