CN105037881A - 一种复合塑料管 - Google Patents
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Abstract
本发明公开了一种复合塑料管,所述管由多层构成,最外层管为抗磨层,由低密度聚乙烯100重量份,EVA(乙烯醋酸乙烯共聚物)3-10重量份,抗氧化剂0.5-2重量份组成,中间层为增强层,由高密度聚乙烯HDPE100?80-85重量份,纳米碳酸钙5-15重量份组成,内层为清洁型输水层,由高密度聚乙烯HDPE100?96-100重量份,抗菌母粒4-6重量份,抗氧剂2-4重量份组成,所述抗菌母粒由高度聚乙烯HDPE100?70-75重量份,加入含银离子的纳米无机抗菌剂20-25重量份,硅烷偶联剂1-3重量份混合,POE或增容剂3-5重量份,干燥制成抗菌母粒。本发明形成的复合塑料管,三层管材料不同,由于是同一热塑工艺条件下形成,所以各层嵌合紧密,连接牢固。
Description
技术领域
本发明一般涉及一种输送液体的压力管道,特别是一种输送饮用水的复合塑料管。
背景技术
目前广泛应用于输水的塑料管,主要是聚乙烯管材和聚丙烯管材(PP-R)管,这两种材质的树脂属于热塑性塑料,具有热塑性塑料管材的通用优点和缺点。优点是,水力性好,材料密度小,重量轻,安装方便。缺点分别是:聚乙烯树脂材料弹性模具小,刚性差,其所制成的管材输送压力不能过高,一般低于1.0MPa,聚丙烯塑料刚性较聚乙烯大,但其低温耐冲击性能差,高温条件下,管材容易变形,导致泄漏,聚丙烯材料耐侯性较差,在加工过程中,需要添加必要的抗氧剂。抗氧剂的耐水性有待考察,可能随着外界环境温度的升高而从管中析出,对人体产生无法预测的影响。上述两种管材,在运输、安装过程中,极易划伤其表面,形成破坏点,造成隐性质量和安全事故。因此有必要开发一种耐磨损,耐中高压,具有抗菌性能,使用安全的管材替代此类管材,以满足人们日益提高的需求。
发明内容
本发明的目的在于提供一个能克服公知技术缺点,一种性能与价格比合理的、耐磨、增强、抗菌性的热塑性复合塑料管材。
本发明的再一个目的,是提供一种生产上述复合塑料管材的方法,包括工艺及装备,该方法简单、能耗低,易于生产。
为实现上述目的,本发明的方案为:一种复合塑料管,所述管由多层构成,最外层管为抗磨层,由低密度聚乙烯100重量份,EVA(乙烯醋酸乙烯共聚物)3-10重量份,抗氧化剂0.5-2重量份组成,中间层为增强层,由高密度聚乙烯HDPE10080-85重量份,纳米碳酸钙5-15重量份组成,内层为清洁型输水层,由高密度聚乙烯HDPE10096-100重量份,抗菌母粒4-6重量份,抗氧剂2-4重量份组成,所述抗菌母粒由高密度聚乙烯HDPE10070-75重量份,加入含银离子的纳米无机抗菌剂20-25重量份,硅烷偶联剂1-3重量份混合,POE或增容剂3-5重量份,干燥制成抗菌母粒。
一种由上述技术方案提供的复合塑料管制作方法,由多个塑料挤塑机组合,共用一付挤塑模具,从模具的不同位置布置各个塑料挤塑机的机头,一个第一台塑料挤塑机从中心流道挤出管材的内层,一个第二台塑料挤塑机在内层的管壁外挤出中间层,一个第三台挤塑机在中间层的管壁外挤出外层,形成所述的复合塑料管。
采用上述方案形成的复合塑料管,三层管材料不同,中间层包覆在内层之外,外层包覆中间层,三层结构有各自的厚度,由于是同一热塑工艺条件下形成,所以各层嵌合紧密,连接牢固,符合使用要求,实现了本发明的目的。
附图说明
图1为复合塑料管主视图;
图2为复合塑料管挤塑机平面布置图;
图3为复合塑料管共挤塑模具剖示图。
具体实施方式
如图1所示为复合塑料管的管壁结构,所述管为多层,本实施例为三层,内管1为输水层,中间层2为加强层,最外层3为抗磨层,为复合管提供强度支持。本实施例的外层管3由低密度聚乙烯100重量份,EVA(乙烯-醋酸乙烯共聚物)10重量份,抗氧化剂0.3重量份组成,中间层2由高密度聚乙烯80重量份,纳米碳酸钙10重量份组成,内管1由高密度HDPE10096重量份,抗菌母粒5重量份,所述的抗菌母粒由高密度聚乙烯HDPE10093重量份,抗氧化剂3重量份组成,加入钠米级无机抗菌材料如钠米级载银锌沸石/载银磷酸锆或氧化锌中的一种或多种形成。其中抗菌母粒需先按比例将钠米材料,硅烷偶联剂同时加入高速升温混料机中进行表面活化处理,然后将活化后的钠米材料与POE或增容剂,高密度聚乙烯树脂,按比例加入到高速混料机中分散混合,再加入到造粒机中,通过口模制成钠米级分散的抗菌母粒完成备料过程。
如图2为组合塑料挤塑机,本实施例由于所生产的复合塑料管为三层,所以用三台塑料挤塑机组合生产管体,为一个第一塑料挤塑机4,一个第二塑料挤塑机5,一个第三塑料挤塑机6,及一台共用的塑料挤塑机共挤模具7,还有一台挤出管材标志色带线的挤塑机8,塑料挤塑机4所带的一个第一机头9沿注塑模具7的轴线安装,挤塑机5所带的一个第二机头10,挤塑机6所带的一个第三机头11均垂直于注塑共挤模具7的轴线,分布在模具7的两侧。
如图3所示为生产复合塑料管所用的共挤塑模,所述模具为多台塑料挤塑机共用模具。在剖示图中,由第一塑料挤塑机4所带的机头9挤出的熔融塑料从中心流道12挤出管材的内层1,在流道中设置有滤网13,第二塑料挤塑机5所带的机头10垂直于模具轴线安装,其流道14在已形成的内层1上挤出中间层2,使塑料熔料均匀地包覆在内层1上,第三塑料挤塑机6所带的机头11在稍后位置垂直于模具轴线位置安装,通过流道15输出熔融塑料,挤出外层3,使其均匀地包覆在中间层2的外面,形成管道的最外层,由于均是在热融状态下内层、中间层、外层依次形成,故各层之间结合紧密,冷却后收缩一致,故形成的管材能达到技术方案所要求的条件,形成合格的管材。
为保证中间层2和外层3材料的实密性,以提高管材的承压能力,在三层塑料分挤共成型的模具中,设置了环形储料槽16,17,并在流道上均设有阻尼环装置18,19,即在流道上一小段向内凸进,以减少流道的截面积,阻挡熔体的流动,使熔体从环形储料槽沿圆锥面挤出时,料流均匀,提高熔体压力,消除合流线,达到熔体均质的目的,以保证熔体融料流的混合均匀性。
所述的管材各层的厚度,由管径及管子的耐压要求决定,不作统一的规定。在制作管材时,各层间的厚度,可以通过控制各自挤出的融体压力和挤出机的挤出量,以及口模间隙尺寸,控制流量来保证管壁厚度。
在制作时,模具内设置的金属芯棒20形成管内层,随着加工的进行,形成不同层壁,上一层管材的外表面作为本层料流的芯棒一同向前推进,同样第二层管材作为第三层料流的芯棒一同向前推进,内壁管道的金属芯棒,一直伸到机头前端部。复合管材挤出模头后,通过真空箱定径,冷却后,经牵引切割而成制品。
Claims (6)
1.一种复合塑料管,其特征在于:所述所述管由多层构成,最外层管为抗磨层,由低密度聚乙烯100重量份,EVA(乙烯醋酸乙烯共聚物)3-10重量份,抗氧化剂0.5-2重量份组成,中间层为增强层,由高密度聚乙烯HDPE10080-85重量份,纳米碳酸钙5-15重量份组成,内层为清洁型输水层,由高密度聚乙烯HDPE10096-100重量份,抗菌母粒4-6重量份,抗氧剂2-4重量份组成,所述抗菌母粒由高度聚乙烯HDPE10070-75重量份,加入含银离子的纳米无机抗菌剂20-25重量份,硅烷偶联剂1-3重量份混合,POE或增容剂3-5重量份,干燥制成抗菌母粒。
2.一种由权利要求1的技术方案提供的复合塑料管制作方法,其特征在于:由多个塑料挤塑机组合,共用一付注塑模具,从模具的不同位置布置各个塑料挤塑机的机头,一个第一台塑料挤塑机(4)从中心流道挤出管材的内层,一个第二台塑料挤塑机(5)在内层的管壁外挤出中间层,一个第三台挤塑机(6)在中间层的管壁外挤出外层,形成所述的复合塑料管。
3.根据权利要求2所述的复合塑料管制作方法,其特征在于:塑料挤塑机(4)所带的一个第一机头(9)沿注塑模具(7)的轴线安装,挤塑机(5)所带的一个第二机头(10),挤塑机(6)所带的一个第三机头(11)均垂直于注塑模具7的轴线,分布在模具(7)的两侧。
4.根据权利要求3所述的复合塑料管制作方法,其特征在于:由第一塑料挤塑机(4)所带的机头(9)挤出的熔融塑料从中心流道(12)挤出管材的内层(1),在流道中设置有滤网(13),第二塑料挤塑机(5)所带的机头(10)垂直于模具轴线安装,其流道(14)在已形成的内层(1)上挤出中间层(2),使塑料熔料均匀地包覆在内层(1)上,第三塑料挤塑机(6)所带的机头(11)在稍后位置垂直于模具轴线位置安装,通过流道(15)输出熔融塑料,挤出外层(3),使其均匀地包覆在中间层(2)的外面,形成管道的最外层。
5.根据权利要求4所述的复合塑料管制作方法,其特征在于:在三层塑料分挤共成型的模具中,设置了环形储料槽(16、17),并在流道上均设有阻尼环装置(18、19),即在流道上一小段向内凸进,以减少流道的截面积。
6.根据权利要求2所述的复合塑料管制作方法,其特征在于:模具内设置的金属芯棒(20)形成管内层,随着加工的进行,形成不同层壁,上一层管材的外表面作为本层料流的芯棒一同向前推进,同样第二层管材作为第三层料流的芯棒一同向前推进,内壁管道的金属芯棒,一直伸到机头前端部。
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106653200A (zh) * | 2017-02-09 | 2017-05-10 | 广东电网有限责任公司云浮供电局 | 一种防霉涂层电缆及制备方法 |
CN107351342A (zh) * | 2017-07-10 | 2017-11-17 | 日丰企业集团有限公司 | 基于中间层为玻纤沿周向取向的无规共聚聚丙烯三层复合管 |
GB2554868A (en) * | 2016-10-05 | 2018-04-18 | Titan Healthcare Anti Bacterial Products Ltd | Antimicrobial masterbatch composition |
CN108544732A (zh) * | 2018-04-10 | 2018-09-18 | 大连三垒科技有限公司 | 带有增强涂层的双壁波纹管及其制造模具 |
CN109206710A (zh) * | 2018-08-27 | 2019-01-15 | 四川省海维塑胶有限公司 | 一种埋地燃气用pe管材的生产工艺 |
CN109291394A (zh) * | 2018-11-20 | 2019-02-01 | 常州金纬管道设备制造有限公司 | Pe管材三层共挤螺旋模具及其进料分配方法 |
CN113847482A (zh) * | 2021-05-14 | 2021-12-28 | 顾地科技股份有限公司 | 一种缠绕结构壁管及其制作方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2299708Y (zh) * | 1997-04-24 | 1998-12-09 | 张更臣 | 一种塑料膜成型模具 |
CN2407922Y (zh) * | 2000-01-31 | 2000-11-29 | 马镇鑫 | 一种塑料多层共挤机头装置 |
CN102107511A (zh) * | 2010-12-21 | 2011-06-29 | 河南康泰塑业科技有限公司 | 一种耐温、抗震和抗菌的复合聚乙烯给水管材的生产方法 |
CN203622900U (zh) * | 2013-12-30 | 2014-06-04 | 广东联塑机器制造有限公司 | 一种塑料管材单独调层的多层共挤模具 |
-
2015
- 2015-07-13 CN CN201510404670.4A patent/CN105037881A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2299708Y (zh) * | 1997-04-24 | 1998-12-09 | 张更臣 | 一种塑料膜成型模具 |
CN2407922Y (zh) * | 2000-01-31 | 2000-11-29 | 马镇鑫 | 一种塑料多层共挤机头装置 |
CN102107511A (zh) * | 2010-12-21 | 2011-06-29 | 河南康泰塑业科技有限公司 | 一种耐温、抗震和抗菌的复合聚乙烯给水管材的生产方法 |
CN203622900U (zh) * | 2013-12-30 | 2014-06-04 | 广东联塑机器制造有限公司 | 一种塑料管材单独调层的多层共挤模具 |
Non-Patent Citations (1)
Title |
---|
王家庆: "《塑料门窗异型材挤塑模设计》", 28 February 2010 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2554868A (en) * | 2016-10-05 | 2018-04-18 | Titan Healthcare Anti Bacterial Products Ltd | Antimicrobial masterbatch composition |
CN106653200A (zh) * | 2017-02-09 | 2017-05-10 | 广东电网有限责任公司云浮供电局 | 一种防霉涂层电缆及制备方法 |
CN107351342A (zh) * | 2017-07-10 | 2017-11-17 | 日丰企业集团有限公司 | 基于中间层为玻纤沿周向取向的无规共聚聚丙烯三层复合管 |
CN108544732A (zh) * | 2018-04-10 | 2018-09-18 | 大连三垒科技有限公司 | 带有增强涂层的双壁波纹管及其制造模具 |
CN108544732B (zh) * | 2018-04-10 | 2020-10-30 | 大连三垒科技有限公司 | 带有增强涂层的双壁波纹管及其制造模具 |
CN109206710A (zh) * | 2018-08-27 | 2019-01-15 | 四川省海维塑胶有限公司 | 一种埋地燃气用pe管材的生产工艺 |
CN109291394A (zh) * | 2018-11-20 | 2019-02-01 | 常州金纬管道设备制造有限公司 | Pe管材三层共挤螺旋模具及其进料分配方法 |
CN113847482A (zh) * | 2021-05-14 | 2021-12-28 | 顾地科技股份有限公司 | 一种缠绕结构壁管及其制作方法 |
CN114633501A (zh) * | 2022-03-14 | 2022-06-17 | 安徽源锂高新材料有限公司 | 一种双壁波纹管强度增强工艺 |
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