CN108586940A - 一种室外用耐候抗紫外线pp-r管的制备方法 - Google Patents

一种室外用耐候抗紫外线pp-r管的制备方法 Download PDF

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CN108586940A
CN108586940A CN201810295051.XA CN201810295051A CN108586940A CN 108586940 A CN108586940 A CN 108586940A CN 201810295051 A CN201810295051 A CN 201810295051A CN 108586940 A CN108586940 A CN 108586940A
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安德烈·别洛乌索夫
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QINGDAO BLUE OCEAN NEW HIGH TECHNOLOGY Co Ltd
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    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/14Copolymers of propene
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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    • F16L57/02Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04Coatings characterised by the materials used
    • F16L58/10Coatings characterised by the materials used by rubber or plastics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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Abstract

本发明公开了一种室外用耐候抗紫外线PP‑R管的制备方法,该PP‑R管分两层即PP‑R内管和PP‑R外管,所述PP‑R内管由PP‑R树脂经单螺杆挤出机挤出,PP‑R外管的配方如下:PP‑R树脂100份、抗紫外线剂0.3~0.5份、抗氧剂0.2~1.0份、炭黑10~30份、纳米碳酸钙5~10份、润滑剂0.5~1.0份、增韧剂3~5份。本发明PP‑R内管采用纯PP‑R树脂,绿色环保,可以输送5~90℃之间的水,并且无异味;PP‑R外管配方中加入了抗紫外线剂和抗氧剂,使PP‑R管具有良好的耐候性,在阳光直射的地方同样可以长久使用,配方中加入了增韧剂,使PP‑R外管具有良好的韧性,延长了使用寿命长。

Description

一种室外用耐候抗紫外线PP-R管的制备方法
技术领域
本发明涉及一种PP-R管,尤其是一种室外用耐候抗紫外线PP-R管的制备方法。
背景技术
无规共聚聚丙烯(PP-R)管是采用无规共聚聚丙烯经过挤出成型得到的管材,具有优异的耐化学物品性、抗蠕变性,而且价廉、强度高、保温节能,适合国内的市场需求,但现有的PP-R管仍然存在一些问题,一般PP-R管在加工时,为了提高加工和使用性能,配方中往往添加了一些助剂,当PP-R管输送高温热水时,这些助剂在高温热水的作用下极易被释放出,无法满足管道系统的质量和卫生的要求,所以只能输送40℃以下的冷水。另外,现有的纯PP-R管在室外使用时,耐候性较差,特别是在阳光直射的地方,老化速度较快、韧性降低,从而造成PP-R管的管体破坏,无法长期使用。
发明内容
为了克服现有技术中PP-R管无法输送高温热水,以及在室外无法长期使用等缺陷,本发明提供一种室外用耐候抗紫外线PP-R管的制备方法。
本发明解决其技术问题所采用的技术方案是:一种室外用耐候抗紫外线PP-R管的制备方法,该PP-R管为两层结构,由内到外依次为:PP-R内管和PP-R外管,所述PP-R内管由PP-R树脂经单螺杆挤出机挤出,所述PP-R外管的具体组分的重量比如下:PP-R树脂100份、抗紫外线剂0.3~0.5份、抗氧剂0.2~1.0份、炭黑10~30份、纳米碳酸钙5~10份、润滑剂0.5~1.0份、增韧剂3~5份;
所述耐候抗紫外线PP-R管的制备方法如下:首先,将PP-R外管原料的各组分按重量比混合,通过双螺杆挤出机进行挤出造粒,挤出温度控制在170~200℃;然后,按常规的方法使用单螺杆挤出机挤出PP-R内管,挤出温度控制在170~200℃,挤出后的PP-R内管经过冷却水箱进行冷却定型;最后,将PP-R外管的挤出粒料放入外层挤出机中,使PP-R内管通过外层挤出机后包覆一层PP-R外管。
上述的一种室外用耐候抗紫外线PP-R管的制备方法,所述抗紫外线剂为UV-326、UV-327或UV-531。
上述的一种室外用耐候抗紫外线PP-R管的制备方法,所述抗氧剂为抗氧剂264或抗氧剂1010。
上述的一种室外用耐候抗紫外线PP-R管的制备方法,所述润滑剂为聚乙烯蜡或低分子量聚丙烯。
上述的一种室外用耐候抗紫外线PP-R管的制备方法,所述增韧剂为ABS树脂或苯乙烯-丁二烯热塑性弹性体。
本发明的有益效果是,本发明PP-R管采用双层结构,强度高、耐腐蚀、不结垢,而且安装方便;PP-R内管采用纯PP-R树脂,绿色环保,可以输送5~90℃之间的水,并且无异味;PP-R外管配方中加入了抗紫外线剂和抗氧剂,使PP-R管具有良好的耐候性,在有阳光直射的地方同样可以长久使用,配方中加入了增韧剂,使PP-R管具有良好的韧性,使用寿命长。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1为本发明示意图。
图中1.PP-R内管,2.PP-R外管。
具体实施方式
为使本领域技术人员更好的理解本发明的技术方案,下面结合附图和具体实施方式对本发明作详细说明。
【实施例1】
一种室外用耐候抗紫外线PP-R管的制备方法,该PP-R管为两层结构,由内到外依次为:PP-R内管1和PP-R外管2,所述PP-R内管1由PP-R树脂经单螺杆挤出机挤出,所述PP-R外管2的具体组分的重量比如下:PP-R树脂100份、抗紫外线剂0.3份、抗氧剂0.2份、炭黑15份、纳米碳酸钙5份、润滑剂0.8份、增韧剂3份;
所述耐候抗紫外线PP-R管的制备方法如下:首先,将PP-R外管2原料的各组分按重量比混合,通过双螺杆挤出机进行挤出造粒,挤出温度控制在170℃;然后,按常规的方法使用单螺杆挤出机挤出PP-R内管1,挤出温度控制在180℃,挤出后的PP-R内管1经过冷却水箱进行冷却定型;最后,将PP-R外管2的挤出粒料放入外层挤出机中,使PP-R内管1通过外层挤出机后包覆一层PP-R外管2。
进一步的,所述抗紫外线剂为UV-326。
进一步的,所述抗氧剂为抗氧剂264。
进一步的,所述润滑剂为聚乙烯蜡。
进一步的,所述增韧剂为ABS树脂。
【实施例2】
一种室外用耐候抗紫外线PP-R管的制备方法,该PP-R管为两层结构,由内到外依次为:PP-R内管1和PP-R外管2,所述PP-R内管1由PP-R树脂经单螺杆挤出机挤出,所述PP-R外管2的具体组分的重量比如下:PP-R树脂100份、抗紫外线剂0.5份、抗氧剂1.0份、炭黑20份、纳米碳酸钙8份、润滑剂1.0份、增韧剂5份;
所述耐候抗紫外线PP-R管的制备方法如下:首先,将PP-R外管2原料的各组分按重量比混合,通过双螺杆挤出机进行挤出造粒,挤出温度控制在190℃;然后,按常规的方法使用单螺杆挤出机挤出PP-R内管1,挤出温度控制在200℃,挤出后的PP-R内管1经过冷却水箱进行冷却定型;最后,将PP-R外管2的挤出粒料放入外层挤出机中,使PP-R内管1通过外层挤出机后包覆一层PP-R外管2。
进一步的,所述抗紫外线剂为UV-531。
进一步的,所述抗氧剂为抗氧剂1010。
进一步的,所述润滑剂为低分子量聚丙烯。
进一步的,所述增韧剂为苯乙烯-丁二烯热塑性弹性体。
以上实施例仅为本发明的示例性实施例,不用于限制本发明,本发明的保护范围由权利要求书限定。本领域技术人员可以在本发明的实质和保护范围内,对本发明做出各种修改或等同替换,这种修改或等同替换也应视为落在本发明的保护范围内。

Claims (5)

1.一种室外用耐候抗紫外线PP-R管的制备方法,该PP-R管为两层结构,由内到外依次为:PP-R内管(1)和PP-R外管(2),其特征在于,所述PP-R内管(1)由PP-R树脂经单螺杆挤出机挤出,所述PP-R外管(2)的具体组分的重量比如下:PP-R树脂100份、抗紫外线剂0.3~0.5份、抗氧剂0.2~1.0份、炭黑10~30份、纳米碳酸钙5~10份、润滑剂0.5~1.0份、增韧剂3~5份;
所述耐候抗紫外线PP-R管的制备方法如下:首先,将PP-R外管(2)原料的各组分按重量比混合,通过双螺杆挤出机进行挤出造粒,挤出温度控制在170~200℃;然后,按常规的方法使用单螺杆挤出机挤出PP-R内管(1),挤出温度控制在170~200℃,挤出后的PP-R内管(1)经过冷却水箱进行冷却定型;最后,将PP-R外管(2)的挤出粒料放入外层挤出机中,使PP-R内管(1)通过外层挤出机后包覆一层PP-R外管(2)。
2.根据权利要求1所述的一种室外用耐候抗紫外线PP-R管的制备方法,其特征在于,所述抗紫外线剂为UV-326、UV-327或UV-531。
3.根据权利要求1所述的一种室外用耐候抗紫外线PP-R管的制备方法,其特征在于,所述抗氧剂为抗氧剂264或抗氧剂1010。
4.根据权利要求1所述的一种室外用耐候抗紫外线PP-R管的制备方法,其特征在于,所述润滑剂为聚乙烯蜡或低分子量聚丙烯。
5.根据权利要求1所述的一种室外用耐候抗紫外线PP-R管的制备方法,其特征在于,所述增韧剂为ABS树脂或苯乙烯-丁二烯热塑性弹性体。
CN201810295051.XA 2018-04-04 2018-04-04 一种室外用耐候抗紫外线pp-r管的制备方法 Pending CN108586940A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111594666A (zh) * 2020-06-13 2020-08-28 佛山市鑫力塑塑胶科技有限公司 一种户外给水管及其防晒耐候耐热层的制备配方
CN114524994A (zh) * 2020-11-23 2022-05-24 中国石油化工股份有限公司 特斯林纺织品涂层用聚丙烯组合物、树脂组合物粒料及其应用、特斯林纺织品
CN117363026A (zh) * 2023-12-05 2024-01-09 上海贝思特管业有限公司 地下通信管道用纳米改性的聚乙烯塑料管及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107286477A (zh) * 2017-06-20 2017-10-24 湖北大洋塑胶有限公司 一种双层pp‑r管材

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107286477A (zh) * 2017-06-20 2017-10-24 湖北大洋塑胶有限公司 一种双层pp‑r管材

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111594666A (zh) * 2020-06-13 2020-08-28 佛山市鑫力塑塑胶科技有限公司 一种户外给水管及其防晒耐候耐热层的制备配方
CN111594666B (zh) * 2020-06-13 2022-04-05 佛山市鑫力塑塑胶科技有限公司 一种户外给水管及其防晒耐候耐热层的制备配方
CN114524994A (zh) * 2020-11-23 2022-05-24 中国石油化工股份有限公司 特斯林纺织品涂层用聚丙烯组合物、树脂组合物粒料及其应用、特斯林纺织品
CN117363026A (zh) * 2023-12-05 2024-01-09 上海贝思特管业有限公司 地下通信管道用纳米改性的聚乙烯塑料管及其制备方法
CN117363026B (zh) * 2023-12-05 2024-02-13 上海贝思特管业有限公司 地下通信管道用纳米改性的聚乙烯塑料管及其制备方法

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