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CN106641484A - 超高分子量pp复合塑料水管 - Google Patents

超高分子量pp复合塑料水管 Download PDF

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CN106641484A
CN106641484A CN201611038305.7A CN201611038305A CN106641484A CN 106641484 A CN106641484 A CN 106641484A CN 201611038305 A CN201611038305 A CN 201611038305A CN 106641484 A CN106641484 A CN 106641484A
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uhmwpp
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郭翠芳
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Xiaogan Jia Rui Applied Science And Technology Development Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
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Abstract

一种超高分子量PP复合塑料水管，其特征是所述水管最里层为UHMWPP芯管，所述UHMWPP芯管外包裹有第一结合层，第一结合层外包裹有不锈钢丝网层，不锈钢网层外包裹有PE中间结合层，所述PE中间结合层外壁上包裹有HDPE耐候层。本发明具有高性能、高适用性、结合强度高、抑菌、无毒无刺激、耐腐蚀、不易生锈等特点。其聚乙烯耐候层可以耐酸、碱、盐及有机溶剂等各种腐蚀性介质的侵蚀。第一结合层和PE中间结合层均能够结合不同的材质，并且增加管道的耐压强度，UHMWPP芯管强度高、无毒、环保，UHMWPP芯管经过第一结合层与不锈钢网层结合后，能够进一步增加管道的耐压强度，管道不易发生破裂，在同等负荷的条件下，该管道甚至比钢管还要高几倍，同时具有良好的抗冲击性能。

Description

超高分子量PP复合塑料水管
技术领域
本发明涉及一种管道，特别涉及一种超高分子量PP复合塑料水管。
背景技术
给排水管广泛用于公路、铁路路基、地铁工程、废弃物填埋场、隧道、绿化带、运动场等给排水领域，以及农业、园艺之地下灌溉和排水系统。传统金属给排水管因为长埋地下，特别容易腐蚀生锈，甚至造成穿孔、堵塞等严重问题。目前，塑料水管发展很快，其多以聚乙烯（PE）和聚氯乙烯（PVC）管材为主导，虽然一定程度上解决了金属管易腐蚀生锈的问题，但普遍存在着抗冲击性能差、耐压强度不高等缺陷。现有任何塑料管道，还都无法避免在坚硬重物的撞击下不受到伤害。因此，在设计和使用上，尤其要注意“扬长避短”。超高分子量聚乙烯\聚丙烯(UHMWPE\PP)是一种具有优异综合性能的热塑性工程塑料。根据美国菲利普石油公司的划分方法，分子量在150万以上的聚乙烯称为“UHMWPE”即Ultra-highmolecular weight PE ，中文称超高分子量聚乙烯。德国赫斯特（Hoechst）公司、美国赫尔克乐斯（Hercules）公司和日本三井石油化学公司是世界上生产聚乙烯\聚丙烯(UHMWPE\PP)的三大公司，中国主要生产厂家是北京助剂二厂、上海高桥石化公司化工厂,中国石化齐鲁石化分公司。聚乙烯\聚丙烯(UHMWPE\PP)具有其他工程塑料所无可比拟的抗冲击性、耐磨损性、耐化学腐蚀性、自身润滑性等性能被认为是高性能工程塑料，因而受到广泛重视。
发明内容
本发明的目的是要提供一种超高分子量PP复合塑料水管，以解决现有管道容易腐蚀生锈、抗冲击性能差、耐压强度不高、耐候性不好、不抗菌等技术问题。
为解决上述技术问题，本发明的技术方案是：一种超高分子量PP复合塑料水管，其特征是所述水管最里层为UHMWPP芯管，所述UHMWPP芯管外包裹有第一结合层，第一结合层外包裹有不锈钢丝网层，不锈钢网层外包裹有PE中间结合层，所述PE中间结合层外壁上包裹有HDPE耐候层。
作为优选，所述UHMWPP芯管内壁设有纳米银渡膜层。
作为优选，所述UHMWPP芯管由以下组分按重量比制成：UHMWPP树脂100份，纳米二氧化硅1～2份，硫酸钙晶须5～7份，3A分子筛5～7份，坡缕粉3～5份。
作为优选，所述第一结合层由以下组分按重量比制成：PE树脂100份，纳米二氧化硅2～3份，3A分子筛2～3份，TPV聚烯烃合金热塑性弹性体3～5份。
作为优选，所述PE中间结合层由以下组分按重量比制成：HDPE树脂（高密度聚乙烯）50份，β晶型成核剂（TMB-5）0.2～1.1份，乙烯-α-辛烯共聚物3～8份。
作为优选，所述HDPE耐候层主要由以下组分按重量比制成：HDPE树脂80～85份、纳米二氧化硅2～6份，硫酸钙晶须2～6份，3A分子筛2～5份，硬脂酸钙1～5份、纳米级二氧化钛2～3份、四[β-（3，5-二叔丁基-4-羟基苯基）丙酸]季戊四醇酯0.3～0.5份、邻羟基苯甲酸苯酯 0.3～0.5份、聚乙烯蜡 0.2～0.3份。
本发明具有高性能、高适用性、结合强度高、抑菌、无毒无刺激、耐腐蚀、不易生锈等特点。其聚乙烯耐候层可以耐酸、碱、盐及有机溶剂等各种腐蚀性介质的侵蚀。第一结合层和PE中间结合层均能够结合不同的材质，并且增加管道的耐压强度，UHMWPP芯管强度高、无毒、环保，UHMWPP芯管经过第一结合层与不锈钢网层结合后，能够进一步增加管道的耐压强度，管道不易发生破裂，在同等负荷的条件下，该管道甚至比钢管还要高几倍，同时具有良好的抗冲击性能，应用时只需要较薄的管壁就可以满足要求，因此可以广泛应用在医疗、卫生、化工、饮用水等高端工程领域。
附图说明
图1所示是本发明的横截面示意图；
图2所示是本发明的立体透视图。
具体实施方式
下面结合附图和具体实施方式，对本发明的技术方案作进一步具体的说明。
实施例1：如图1，2所示，超高分子量PP复合塑料水管最里层为UHMWPP芯管5，UHMWPP芯管外包裹有第一结合层6，第一结合层外6包裹有不锈钢丝网层7，不锈钢网层7外包裹有PE中间结合层8， PE中间结合层8外壁上包裹有HDPE耐候层9； UHMWPP芯管内壁设有纳米银渡膜层10；
UHMWPP芯管5：按重量比将UHMWPP树脂100份，纳米二氧化硅1份，硫酸钙晶须5份，3A分子筛5份，坡缕粉3份投入第一台挤塑机料斗；
第一结合层6：按重量比将PE树脂100份，纳米二氧化硅2份，3A分子筛2份，TPV聚烯烃合金热塑性弹性体3份混合后投入第二台挤塑机料斗内；
PE中间结合层8：按重量比HDPE树脂（高密度聚乙烯）50份，β晶型成核剂（TMB-5）0.2份，乙烯-α-辛烯共聚物3份混合后投入第三台挤塑机料斗内；
HDPE耐候层9：按重量比将HDPE树脂80份、纳米二氧化硅2份，硫酸钙晶须2份，3A分子筛2份，硬脂酸钙1份、纳米级二氧化钛2份、四[β-（3，5-二叔丁基-4-羟基苯基）丙酸]季戊四醇酯0.3份、邻羟基苯甲酸苯酯 0.3份、聚乙烯蜡 0.2份混合后投入第四台挤塑机料斗内；
生产时，UHMWPP芯管5由第一台挤塑机挤出后，将纳米银镶镀在UHMWPP芯管5的内管壁上，再经第二台挤塑机挤出第一结合层6将UHMWPP芯管5包裹，经过水冷和定径后，不锈钢丝分别从左右两边以左旋右旋的方式缠绕在第一结合层6上，缠绕的角度为50度，使得管材轴向和环向均匀受力，形成为不锈钢网层7，不锈钢网层7经过加热，由第三台挤塑机挤出PE中间结合层8将不锈钢网层7包裹，经过水冷和定径后，由第四台挤塑机挤出HDPE耐候层9将PE中间结合层8包裹。这样可以保证高强度钢丝与内外层HDPE之间热熔粘为一体，从而获得优异的耐高压超高分子量PP复合塑料水管。
实施例2：如图1，2所示，超高分子量PP复合塑料水管最里层为UHMWPP芯管5，UHMWPP芯管外包裹有第一结合层6，第一结合层外6包裹有不锈钢丝网层7，不锈钢网层7外包裹有PE中间结合层8， PE中间结合层8外壁上包裹有HDPE耐候层9； UHMWPP芯管内壁设有纳米银渡膜层10；
UHMWPP芯管5：按重量比将UHMWPP树脂100份，纳米二氧化硅2份，硫酸钙晶须7份，3A分子筛5份，坡缕粉4份投入第一台挤塑机料斗；
第一结合层6：按重量比将PE树脂100份，纳米二氧化硅3份，3A分子筛3份，TPV聚烯烃合金热塑性弹性体5份混合后投入第二台挤塑机料斗内；
PE中间结合层8：按重量比将HDPE树脂（高密度聚乙烯）50份，β晶型成核剂（TMB-5）1.1份，乙烯-α-辛烯共聚物8份混合后投入第三台挤塑机料斗内；
HDPE耐候层9：按重量比将HDPE树脂85份、纳米二氧化硅6份，硫酸钙晶须6份，3A分子筛5份，硬脂酸钙5份、纳米级二氧化钛3份、四[β-（3，5-二叔丁基-4-羟基苯基）丙酸]季戊四醇酯0.5份、邻羟基苯甲酸苯酯 0.5份、聚乙烯蜡0.3份混合后投入第四台挤塑机料斗内；生产方式同实施例1。
实施例3：如图1，2所示，超高分子量PP复合塑料水管最里层为UHMWPP芯管5，UHMWPP芯管外包裹有第一结合层6，第一结合层外6包裹有不锈钢丝网层7，不锈钢网层7外包裹有PE中间结合层8， PE中间结合层8外壁上包裹有HDPE耐候层9； UHMWPP芯管内壁设有纳米银渡膜层10；
UHMWPP芯管5：按重量比将UHMWPP树脂100份，纳米二氧化硅2份，硫酸钙晶须6份，3A分子筛6份，坡缕粉4份投入第一台挤塑机料斗；
第一结合层6：按重量比将PE树脂100份，纳米二氧化硅2份，3A分子筛3份，TPV聚烯烃合金热塑性弹性体4份混合后投入第二台挤塑机料斗内；
PE中间结合层8：按重量比将HDPE树脂（高密度聚乙烯）50份，β晶型成核剂（TMB-5）0.8份，乙烯-α-辛烯共聚物6份混合后投入第三台挤塑机料斗内；
HDPE耐候层9：按重量比将HDPE树脂83份、纳米二氧化硅4份，硫酸钙晶须5份，3A分子筛3份，硬脂酸钙4份、纳米级二氧化钛2.5份、四[β-（3，5-二叔丁基-4-羟基苯基）丙酸]季戊四醇酯0.4份、邻羟基苯甲酸苯酯 0.4份、聚乙烯蜡 0.3份混合后投入第四台挤塑机料斗内；生产方式同实施例1。
为了验证本发明的效果，将实施例比其它同类产品进行对比，具体如下表所示。
表1：两种水管之间的对比实验结果
验证结果表明：相比其它同类产品，采用本发明制备的PP复合塑料水管，具有更好的力学性能和抗老化性能。
最后，应当指出，以上具体实施方式仅是本发明较有代表性的例子。显然，本发明不限于上述具体实施方式，还可以有许多变形。凡是依据本发明的技术实质对以上具体实施方式所作的任何简单修改、等同变化与修饰，均应认为属于本发明的保护范围。

Claims (6)

1.一种超高分子量PP复合塑料水管，其特征是所述水管最里层为UHMWPP芯管，所述UHMWPP芯管外包裹有第一结合层，第一结合层外包裹有不锈钢丝网层，不锈钢网层外包裹有PE中间结合层，所述PE中间结合层外壁上包裹有HDPE耐候层。
2.根据权利要求1所述的超高分子量PP复合塑料水管，其特征是所述UHMWPP芯管内壁设有纳米银渡膜层。
3.根据权利要求1所述的超高分子量PP复合塑料水管，其特征是所述UHMWPP芯管由以下组分按重量比制成：UHMWPP树脂100份，纳米二氧化硅1～2份，硫酸钙晶须5～7份，3A分子筛5～7份，坡缕粉3～5份。
4.根据权利要求1所述的超高分子量PP复合塑料水管，其特征是所述第一结合层由以下组分按重量比制成：PE树脂100份，纳米二氧化硅2～3份，3A分子筛2～3份，TPV聚烯烃合金热塑性弹性体3～5份。
5.根据权利要求1所述的超高分子量PP复合塑料水管，其特征是所述PE中间结合层由以下组分按重量比制成：HDPE树脂（高密度聚乙烯）50份，β晶型成核剂（TMB-5）0.2～1.1份，乙烯-α-辛烯共聚物3～8份。
6.根据权利要求1所述的超高分子量PP复合塑料水管，其特征是所述HDPE耐候层主要由以下组分按重量比制成：HDPE树脂80～85份、纳米二氧化硅2～6份，硫酸钙晶须2～6份，3A分子筛2～5份，硬脂酸钙1～5份、纳米级二氧化钛2～3份、四[β-（3，5-二叔丁基-4-羟基苯基）丙酸]季戊四醇酯0.3～0.5份、邻羟基苯甲酸苯酯 0.3～0.5份、聚乙烯蜡 0.2～0.3份。
CN201611038305.7A 2015-12-26 2016-11-23 超高分子量pp复合塑料水管 Pending CN106641484A (zh)

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