CN1887573A - 带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法 - Google Patents

带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法 Download PDF

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CN1887573A
CN1887573A CNA2006100148926A CN200610014892A CN1887573A CN 1887573 A CN1887573 A CN 1887573A CN A2006100148926 A CNA2006100148926 A CN A2006100148926A CN 200610014892 A CN200610014892 A CN 200610014892A CN 1887573 A CN1887573 A CN 1887573A
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夏成文
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明提供一种带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法，包括有步骤①玻纤增强聚丙烯料的制作：将玻纤进行烘干到表面活化，然后进行偶联处理，加入亲和剂，最后连同聚丙烯料在双螺杆挤出机进行塑化，捏合挤出造粒；玻纤增强聚丙烯料粒里玻纤的含量控制在20±2％(重量)，造粒机控制温度为180－210℃，挤出机转速为30－45Hz。②聚丙烯增强复合管的制作：将聚丙烯料与玻纤增强聚丙烯料分别在二台挤出机经过三层共挤机头、模具挤出、真空定型、冷却、定尺切割到包装。有益效果是彻底解决了管材在长期受热、受压下出现弯曲的现象，并且解决了玻纤与聚丙烯不相容的问题，使管材在三层共挤的情况下能够不分层，大幅降低了线型热膨胀系数，延长了使用寿命，适用范围更加宽泛。

Description

带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法
技术领域
本发明涉及一种塑料复合管的制作方法，特别是一种带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法。
背景技术
目前，市场上普通的无规共聚聚丙烯(PP-R)冷热水用塑料管材(简称PP-R管)，其优点在于耐热、耐压、耐腐蚀、不易老化，且使用寿命可达50年，彻底解决金属管材易腐蚀、使用寿命不长的缺点。但PP-R管的不足之处在于聚丙烯的收缩率大，线型热膨胀系数过高，在使用中长期受热、受压的情况下易产生弯曲变形现象，从而因弯曲过大需要从新更换，给用户带来诸多麻烦。也正是由于易产生弯曲变形，限制了PP-R管的适用范围。
发明内容
本发明的目的是在满足聚丙烯管材所有性能的前提下，大幅降低聚丙烯管材的线型热膨胀系数，而提供一种带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法。
为实现上述目的，本发明的技术解决方案是提供一种带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法，该方法包括有以下步骤：
①玻纤增强聚丙烯料的制作：
将玻纤进行烘干到表面活化，然后进行偶联处理，加入亲和剂，最后连同聚丙烯料在双螺杆挤出机进行塑化，捏合挤出造粒；玻纤增强聚丙烯料粒里玻纤的含量控制在20±2％(重量)，造粒机控制温度为180-210℃，挤出机转速为30-45HZ；
②聚丙烯增强复合管的制作：
将聚丙烯料与玻纤增强聚丙烯料分别在二台挤出机经过三层共挤机头、模具挤出、真空定型、冷却、定尺切割到包装，聚丙烯增强复合管的玻纤含量应控制在6-7％(重量)；
所述二台挤出机转速比应为：I机(玻纤增强聚丙烯料挤出机)比II机(聚丙烯料挤出机)＝1∶2.5，一般I机转速为15-20HZ，II机转速为35-50HZ，所述挤出机的温度均控制在170-210℃之间。
所述步骤①中加入的亲和剂为马来酸酐接枝聚丙烯及双马来酰亚胺或马来酸酐接枝聚丙烯及马来酸酐。
本发明的效果是：该聚丙烯增强复合管与普通聚丙烯管比较，由于在管材里加入玻纤增强聚丙烯，彻底解决了管材在长期受热、受压的情况下出现弯曲的现象。并且该发明技术解决了玻纤与聚丙烯不相容的问题，使管材在三层共挤的情况下能够不分层，在性能上满足聚丙烯管材所有性能，聚丙烯增强复合管成本比普通聚丙烯管材低，使用寿命同样能达50年。由于大幅降低了线型热膨胀系数，即聚丙烯管的线型热膨胀系数为：9.33×10-5℃-1，而聚丙烯增强复合管的线型热膨胀系数为：5.46×10-5℃-1。彻底解决了塑料管材在长期受热、受压的情况下出现弯曲的现象，避免了因聚丙烯管材弯曲而重新安装供水管道，因此在材料及能耗方面可得到有效节约，适用范围更加宽泛。
附图说明
图1为本发明的复合管结构的剖面示意图；
图2为本发明的制作方法流程图。
图中：1、外层    2、中间层    3、内层
具体实施方式
结合附图及实施例对本发明的带有加强筋的冷热水用玻纤增强聚丙烯复合管的制作方法加以说明。
本发明的带有加强筋的冷热水用玻纤增强聚丙烯复合管的制作方法包括以下步骤：
①玻纤增强聚丙烯料的制作：
将玻纤进行烘干到表面活化，然后进行偶联处理，加入亲和剂，即加入马来酸酐接枝聚丙烯添加量为20％(重量)及双马来酰亚胺添加量为0.8％(重量)或马来酸酐接枝聚丙烯添加量为20％(重量)及马来酸酐添加量为5％(重量)。最后，连同聚丙烯料在双螺杆挤出机进行塑化，捏合挤出造粒。玻纤增强聚丙烯料粒里玻纤的含量控制在20±2％(重量)，造粒机控制温度为180-210℃，挤出机转速为30-45HZ；
②聚丙烯增强复合管的制作：
将聚丙烯料与玻纤增强聚丙烯料分别在二台挤出机经过三层共挤机头、模具挤出、真空定型、冷却、定尺切割到包装，聚丙烯增强复合管的玻纤含量应控制在6-7％(重量)。
上述二台挤出机转速比应为：I机(玻纤增强聚丙烯料挤出机)比II机(聚丙烯料挤出机)＝1∶2.5，一般I机转速为15-20HZ，II机转速为35-50HZ，所述挤出机的温度均控制在170-210℃之间。

Claims (2)

1、一种带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法，该方法包括有以下步骤：
①玻纤增强聚丙烯料的制作：
将玻纤进行烘干到表面活化，然后进行偶联处理，加入亲和剂，最后连同聚丙烯料在双螺杆挤出机进行塑化，捏合挤出造粒；玻纤增强聚丙烯料粒里玻纤的含量控制在20±2％(重量)，造粒机控制温度为180-210℃，挤出机转速为30-45HZ；
②聚丙烯增强复合管的制作：
将聚丙烯料与玻纤增强聚丙烯料分别在二台挤出机经过三层共挤机头、模具挤出、真空定型、冷却、定尺切割到包装，聚丙烯增强复合管的玻纤含量应控制在6-7％(重量)；
所述二台挤出机转速比应为：I机(玻纤增强聚丙烯料挤出机)比II机(聚丙烯料挤出机)＝1∶2.5，一般I机转速为15-20HZ，II机转速为35-50HZ，所述挤出机的温度均控制在170-210℃之间。
2、根据权利要求1所述的制作方法，其特征是：所述步骤①中加入的亲和剂为马来酸酐接枝聚丙烯及双马来酰亚胺或马来酸酐接枝聚丙烯及马来酸酐。
CNB2006100148926A 2006-07-24 2006-07-24 带有加强层的冷热水用玻纤增强聚丙烯复合管的制作方法 Active CN100480020C (zh)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101270211B (zh) * 2007-03-21 2011-04-20 上海海隆赛能新材料有限公司 三层结构防腐钢质管道聚丙烯夹克料及其制备方法
CN102490335A (zh) * 2011-12-21 2012-06-13 江苏金波新材料科技有限公司 一种新型聚乙烯增强复合管材的制备方法
CN103016856A (zh) * 2012-11-30 2013-04-03 浙江伟星新型建材股份有限公司 纤维网格带缠绕增强复合管及制备工艺和设备
CN105729747A (zh) * 2014-12-11 2016-07-06 中国石油天然气股份有限公司 纤维增强聚乙烯复合材料双层管的制造方法
CN109751461A (zh) * 2019-03-01 2019-05-14 山东艾菲尔管业有限公司 一种玻纤增强管及其生产方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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MY123914A (en) * 1997-01-17 2006-06-30 Kisco Ltd Glass fiber reinforced polypropylene composition and method for manufacturing the same
EP1231423A1 (en) * 2001-02-13 2002-08-14 Eurotecnica Development & Licensing S.p.A. Reinforced multi-walled pipe and method for its manufacture
JP2003225951A (ja) * 2002-02-04 2003-08-12 Nippon Steel Corp 補強プラスチック管

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101270211B (zh) * 2007-03-21 2011-04-20 上海海隆赛能新材料有限公司 三层结构防腐钢质管道聚丙烯夹克料及其制备方法
CN102490335A (zh) * 2011-12-21 2012-06-13 江苏金波新材料科技有限公司 一种新型聚乙烯增强复合管材的制备方法
CN103016856A (zh) * 2012-11-30 2013-04-03 浙江伟星新型建材股份有限公司 纤维网格带缠绕增强复合管及制备工艺和设备
CN103016856B (zh) * 2012-11-30 2015-01-21 浙江伟星新型建材股份有限公司 纤维网格带缠绕增强复合管及制备工艺和设备
CN105729747A (zh) * 2014-12-11 2016-07-06 中国石油天然气股份有限公司 纤维增强聚乙烯复合材料双层管的制造方法
CN109751461A (zh) * 2019-03-01 2019-05-14 山东艾菲尔管业有限公司 一种玻纤增强管及其生产方法

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