CN111393769B - 一种抗结垢排水排污管材、管件及其制备方法 - Google Patents

一种抗结垢排水排污管材、管件及其制备方法 Download PDF

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CN111393769B
CN111393769B CN202010355777.5A CN202010355777A CN111393769B CN 111393769 B CN111393769 B CN 111393769B CN 202010355777 A CN202010355777 A CN 202010355777A CN 111393769 B CN111393769 B CN 111393769B
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CN111393769A (zh
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张双全
林云青
郝洪波
朱鹏飞
王贝贝
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Kangtai Plastic Technology Co ltd
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Abstract

本发明公属于塑料管技术领域，具体涉及一种抗结垢排水排污管材、管件及其制备方法，管材包括内层和外层，所述外层按重量份数计包括以下原料：PVC树脂100份；钙锌稳定剂3‑8份；纳米材料0.5‑20份；抗冲材料0.5‑15份；润滑剂0.1‑2.0份；钛白粉0.‑8份；ABS 1‑35份；所述内层按重量份数计包括以下原料：PVC树脂0‑100份；钙锌稳定剂3‑8份；光亮树脂1‑100份；自润滑材料0.5‑50份；纳米材料0.5‑20份；抗冲材料0.5‑15份；润滑剂0.1‑2.0份；抗菌材料0.1‑15份；ABS 1‑35份。在内层管中，加入光亮树脂，减少内层管的摩擦系数，减少结垢，再结合到自润滑树脂，防止结垢，同时加入抗菌材料，防止细菌生长结垢，并且在本发明中，还包含了工程塑料ABS，在阻止结垢的前提下，提高管材的耐磨性。

Description

一种抗结垢排水排污管材、管件及其制备方法
技术领域
本发明属于塑料管技术领域，具体涉及一种抗结垢排水排污管材、管件及其制备方法。
背景技术
目前，PVC排水管材管件是中国塑胶管道最大需求量的一种管材之一，由于价格便宜，安装方便，维修方便，阻燃性能好，使用寿命长，生态环保，主要使用在民建工程，一家一户排水排污用管道。PVC管材虽然比球墨铸铁管、水泥管抗结垢性能好，但长期使用也容易结垢，在结垢后，一方面是管材排水容易出现水舌，出现噪声变大；另一方面结垢后管材细菌较多，气味较大，容易疾病传布，如冠状病毒等，影响环境；并且PVC管材应用于高层时，排水耐磨性能较差，管材使用寿命缩短。
专利CN103589067B公开了一种具有阻垢作用的复合塑料及其制备方法，其以聚丙烯酸、羟基乙叉二膦酸等作为阻垢剂，阻垢剂占塑料母料的质量百分比为1％-35％，其制备出的具有阻垢作用的复合塑料，但在该专利中，其配方中的原料和制备工艺不适用于制备管材。
发明内容
本发明的目的在于：解决上述现有技术中的不足，提供一种抗结垢排水排污管材，该管材具有优异的抗结垢性、耐磨性。
为了实现上述目的，本发明采用的技术方案为：一种抗结垢排水排污管材，包括内层和外层，
所述外层按重量份数计包括以下原料：
PVC树脂100份；钙锌稳定剂3-8份；纳米材料0.5-20份；抗冲材料0.5-15份；润滑剂0.1-2.0份；钛白粉0.-8份；ABS 1-35份；
所述内层按重量份数计包括以下原料：
PVC树脂0-100份；钙锌稳定剂3-8份；光亮树脂1-100份；自润滑材料0.5-50份；纳米材料0.5-20份；抗冲材料0.5-15份；润滑剂0.1-2.0份；抗菌材料0.1-15份；ABS 1-35份。
进一步的，所述光亮树脂为聚甲基丙烯酸甲酯(PMMA)、丙烯腈-苯乙烯-丙烯腈(ASA)共聚物中一种或两种共混物。
进一步的，所述自润滑材料为聚四氟乙烯粉料、硅酮粉料中一种或两种共混物。
进一步的，所述抗冲材料为氯化聚乙烯、ACA、MBS、丁腈橡胶中一种或两种以上的混合物。
进一步的，所述润滑剂为硬脂酸、氧化聚乙烯蜡、聚乙烯蜡中一种或两种以上的混合物。
进一步的，所述纳米材料为：碳酸钙、钛白粉、二氧化硅、云母、蒙脱土、石英砂中一种或两种以上混合物。
进一步的，所述抗菌材料为银系抗菌剂、氧化锌、氧化铜、磷酸二氢铵、碳酸锂、香草醛、乙基香草醛及其衍生物、酰基苯胺及其衍生物、咪唑及其衍生物、季铵盐化合物、苯酚及其衍生物一种或两种以上混合物。
具
本发明的另一目的在于，提供一种制备上述管材的方法，通过挤出成型以及参数温度的控制，使得制备的管材具有优异的力学性能。
该制备方法包括以下步骤：
S1：将各原料在110℃下搅拌均匀，并冷却至30℃；
S2：将外层原料投入至外层挤出机料斗中，并设定外层挤出机螺杆温度为1区195℃，2区185℃，3区170℃，4区165℃，合流芯170℃，模具1区185℃，2区180℃，3区180℃，口模195℃，主机螺杆转速15转/分钟，牵引机速度0.5米/分钟；
S3：将内层原料投入到内层挤出机料斗中，并设定内层挤出机螺杆温度为1区165℃，2区185℃，3区200℃，合流芯190℃，模具3区195℃，主机螺杆转速12转/分钟。
S4：所述外层和所述内层在模具3区处复合，得到所述管材。
本发明的另一目的在于，提供一种抗结垢排水排污管件，按重量份数计，包括以下原料：
PVC树脂0-100份；钙锌稳定剂3-8份；光亮树脂1-100份；自润滑材料0.5-50份；纳米材料0.5-20份；抗冲材料0.5-15份；润滑剂0.1-2.0份；抗菌材料0.1-25份；ABS 1-35份。
一种制备上述管件的方法，包括以下步骤：
S1：将各原料在100℃下混合均匀，并冷却至28℃；
S2：将混合后的原料加入到注塑机料斗中，并设定注塑机机筒温度1区175℃，2区195，3区195℃，4区195℃，喷嘴温度205℃，注塑压力10MPa，冷却时间75秒，注塑成型得到所述管件。
本发明的有益效果是：
在本发明中的管材，包括内层管和外层管，在内层管中，加入光亮树脂，减少内层管的摩擦系数，减少结垢，再结合到自润滑树脂，光亮树脂和自润滑树脂共同作用，减少内层表面的摩擦系数，防止结垢，加入抗菌机材料，减少内层管微生物产生，进一步的起到防止结垢的作用，并且在本发明中，还包含了工程塑料ABS，在阻止结垢的前提下，提高管材的耐磨性。将管材的内层设置为抗结垢层，降低管材的生产成本，同时，该管材的外层方便在常温下粘接连接。
在本发明中的管件，同样的加入光亮树脂和自润滑材料，减少管件内壁的摩擦系数，提高抗结垢性，该管件配合本发明的管材使用，可从整体上提高管道的抗结垢性，同时可有效的避免管材连接处结垢。
具体实施方式
实施例1：
以下述配方，分别将外层原料和内层原料加入到搅拌机中，在110℃下，搅拌10分钟，随后将原料冷却至30℃；
外层原料：PVC树脂100份；钙锌稳定剂4.0份；纳米二氧化硅5.0份；氯化聚乙烯2.0份；聚乙烯蜡0.6份；钛白粉2.0份；
内层原料：PVC树脂10份；稳定剂3.0份；聚甲基丙烯酸甲酯(PMMA)90份；聚四氟乙烯粉料15份；纳米碳酸钙15份；抗冲材料0.5-15份；硬脂酸0.6份；氧化锌5份；氧化铜5份；磷酸二氢铵3.0份ABS 15份；
将上述混合后的外层原料加入到外层挤出机的料斗中，挤出成型，其中，外层管材挤出机螺杆温度设定为1区195℃，2区185℃，3区170℃，4区165℃，合流芯170℃，模具1区185℃，2区180℃，3区180℃(复合处)，口模195℃，主机螺杆转速15转/分钟，牵引机速度0.5米/分钟，水箱真空度0.35MPa；
同样的，将内层原料加入到内层挤出机的料斗中，在模具3区处挤出与外层管复合，得到管材，其中，内层挤出机中，挤出机螺杆温度设定为1区165℃，2区185℃，3区200℃，合流芯190℃，模具3区195℃(复合处)，主机螺杆转速12转/分钟。
由本实施例制备得到的管材，管材规格dn110x3.2mm，外层厚度2.7mm，内层厚度0.5mm。
实施例2：
以下述配方，分别将外层原料和内层原料加入到搅拌机中，在100℃下，搅拌8分钟，随后将原料冷却至28℃；
外层原料：PVC树脂100份；钙锌稳定剂4.0份；纳米碳酸钙5.0份；抗冲改性剂ACR2.0份；氧化聚乙烯蜡0.6份；钛白粉2.0份；
内层原料：钙锌稳定剂3.0份；聚甲基丙烯酸甲酯(PMMA)50份；丙烯腈-苯乙烯-丙烯腈(ASA)共聚物50份；硅酮粉料15份；纳米碳酸钙15份；氯化聚乙烯0.5-15份；硬脂酸0.6份；银离子10份；ABS 13份
将上述混合后的外层原料加入到外层挤出机的料斗中，挤出成型，其中，外层管材挤出机螺杆温度设定为1区195℃，2区185℃，3区170℃，4区165℃，合流芯170℃，模具1区185℃，2区180℃，3区180℃(复合处)，口模195℃，主机螺杆转速15转/分钟，牵引机速度0.5米/分钟，水箱真空度0.35MPa；
同样的，将内层原料加入到内层挤出机的料斗中，在模具3区处挤出与外层管复合，得到管材，其中，内层挤出机中，挤出机螺杆温度设定为1区165℃，2区185℃，3区200℃，合流芯190℃，模具3区195℃(复合处)，主机螺杆转速12转/分钟。
由本实施例制备得到的管材，管材规格dn75x2.3mm，外层厚度2.0mm，内层厚度0.3mm。
实施例3：
以下述配方，分别将外层原料和内层原料加入到搅拌机中，在100℃下，搅拌8分钟，随后将原料冷却至28℃；
外层原料：PVC树脂100份；钙锌稳定剂4.0份；纳米云母5.0份；抗冲改性剂ACR 2.0份；聚乙烯蜡0.6份；硬脂酸0.3份；钛白粉2份；
内层原料：PVC树脂1.0份；稳定剂3.0份；聚甲基丙烯酸甲酯(PMMA)90份；聚四氟乙烯粉料15份；纳米碳酸钙15份；MBS 1.5份；硬脂酸0.6份；碳酸锂15份；ABS 10份；
将上述混合后的外层原料加入到外层挤出机的料斗中，挤出成型，其中，外层管材挤出机螺杆温度设定为1区195℃，2区185℃，3区170℃，4区165℃，合流芯170℃，模具1区185℃，2区180℃，3区180℃(复合处)，口模195℃，主机螺杆转速15转/分钟，牵引机速度0.5米/分钟，水箱真空度0.35MPa；
同样的，将内层原料加入到内层挤出机的料斗中，在模具3区处挤出与外层管复合，得到管材，其中，内层挤出机中，挤出机螺杆温度设定为1区165℃，2区185℃，3区200℃，合流芯190℃，模具3区195℃(复合处)，主机螺杆转速12转/分钟。
由本实施例制备得到的管材，管材规格dn160x4.0mm，外层厚度3.5mm，内层厚度0.5mm。
实施例4：
按照以下配方，将所有料搅拌机中，搅拌时间8分钟，料搅拌到100℃，混合物料冷却温度28℃。
管件原料：钙锌稳定剂4.5份；聚甲基丙烯酸甲酯(PMMA)50份；丙烯腈-苯乙烯-丙烯腈(ASA)50份；聚四氟乙烯粉料15份；纳米碳酸钙10份；氯化聚乙烯15份；氧化聚乙烯蜡0.5份；8碳酸锂15份；ABS8份；
将搅拌好冷却好的混合物投入注塑机料斗中，注塑机工艺参数设定为机筒温度1区175℃，2区195，3区195℃，4区195℃，喷嘴温度205℃，注塑压力10MPa,，冷却时间75秒，得到注塑成型管件。
实施例5：
按照以下配方，将所有料搅拌机中，搅拌时间8分钟，料搅拌到100℃，混合物料冷却温度28℃。
管件原料：钙锌稳定剂4.5份；聚甲基丙烯酸甲酯(PMMA)50份；丙烯腈-苯乙烯-丙烯腈(ASA)50份；硅酮粉料15份；纳米钛白粉10份；氯化聚乙烯15份；氧化聚乙烯蜡0.5份；氧化锌3.0份；氧化铜3.0份；磷酸二氢铵3.0份；ABS 12份；
将搅拌好冷却好的混合物投入注塑机料斗中，注塑机工艺参数设定为机筒温度1区175℃，2区195，3区195℃，4区195℃，喷嘴温度205℃，注塑压力10MPa,，冷却时间75秒，得到注塑成型管件。
实施例6：
按照以下配方，将所有料搅拌机中，搅拌时间8分钟，料搅拌到100℃，混合物料冷却温度28℃。
管件原料：PVC树脂10份；钙锌稳定剂4.5份；聚甲基丙烯酸甲酯(PMMA)50份；丙烯腈-苯乙烯-丙烯腈(ASA)40份；聚四氟乙烯粉料15份；纳米碳酸钙10份；MBS 15份；氧化聚乙烯蜡0.5份；银离子10份；ABS 10份；
将搅拌好冷却好的混合物投入注塑机料斗中，注塑机工艺参数设定为机筒温度1区175℃，2区195，3区195℃，4区195℃，喷嘴温度205℃，注塑压力10MPa,，冷却时间75秒，得到注塑成型管件。
实验例：
测定上述实施例1-3制备的管材的摩擦阻力系数、拉伸强度、管材外层微卡软化点以及管材扁平实验；将上述实施例1-3的管材放置在45℃的污水中，浸泡100天后，观察管材内壁的结垢情况；将上述实施例1-3的管材以内流速5米/秒的流速，通入含沙量为20％的水，连续通入7天后，观察管材内壁的磨损情况；其结果如下表所示：
表1 实施例1-3的管材性能
Figure BDA0002473395280000071
Figure BDA0002473395280000081
从上表中可以得出，本发明实施例1-3制备的管材，其摩擦阻力系数远小于传统PVC管材的摩擦阻力系数，说明由本发明的配方及制备方法得到的管材，其内壁的摩擦阻力系数小，在使用过程中不易结垢，同时，从管材内壁结垢情况来看，实施例1-3的管材在浸泡污水中100天后，管材内壁轻微结垢，采用水冲刷后，内壁的结垢均掉落，而对于传统PVC管材，管材内壁明显结构，不能用水冲刷掉，说明在实际的使用过程中，实施例1-3的管材较传统PVC管材的抗结垢性能好。由于在本发明中，内层管材的配方中加入了光亮树脂和自润滑材料，减少管材内壁的摩擦阻力系数，进而提高管材的抗结垢性。并且，加入了工程塑料ABS，提高内层管材的耐磨性能，在使用过程中，管材内壁不易磨损，能长时间保持光滑，进而延长管材内壁的抗结垢性能。

Claims (6)

1.一种抗结垢排水排污管材，其特征在于，包括内层和外层，
所述外层按重量份数计包括以下原料：
PVC树脂100份；钙锌稳定剂3-8份；纳米材料0.5-20份；抗冲材料 0.5-15份；润滑剂0.1-2.0份；钛白粉0.-8份； ABS 1-35份；
所述内层按重量份数计包括以下原料：
PVC树脂0-10份；钙锌稳定剂3-8份；光亮树脂90-100份；自润滑材料0.5-50份；纳米材料0.5-20份；抗冲材料0.5-15份；润滑剂0.1-2.0份；抗菌材料0.1-15份； ABS 1-35份；所述光亮树脂为聚甲基丙烯酸甲酯、丙烯腈-苯乙烯-丙烯腈共聚物中一种或两种共混物；
所述自润滑材料为聚四氟乙烯粉料、硅酮粉料中一种或两种共混物。
2.根据权利要求1所述的抗结垢排水排污管材，其特征在于，所述抗冲材料为氯化聚乙烯、ACR、MBS、丁腈橡胶中一种或两种以上的混合物。
3.根据权利要求1所述的抗结垢排水排污管材，其特征在于，所述润滑剂为硬脂酸、氧化聚乙烯蜡、聚乙烯蜡中一种或两种以上的混合物。
4.根据权利要求1所述的抗结垢排水排污管材，其特征在于，所述纳米材料为：碳酸钙、钛白粉、二氧化硅、云母、蒙脱土、石英砂中一种或两种以上混合物。
5.根据权利要求1所述的抗结垢排水排污管材，其特征在于，所述抗菌材料为含银系抗菌剂、氧化锌、氧化铜、磷酸二氢铵、碳酸锂、香草醛、乙基香草醛及其衍生物、酰基苯胺及其衍生物、咪唑及其衍生物、季铵盐化合物、苯酚及其衍生物中一种或两种以上混合物。
6.一种如权利要求1-5任一所述的抗结垢排水排污管材的制备方法，其特征在于，包括以下步骤：
S1：将各原料在110℃下搅拌均匀，并冷却至30℃；
S2：将外层原料投入至外层挤出机料斗中，并设定外层挤出机螺杆温度为1区195℃，2区185℃，3区 170℃，4区165℃，合流芯170℃，模具1区185℃，2区180℃，3区180℃，口模195℃，主机螺杆转速15转/分钟，牵引机速度0.5米/分钟；
S3：将内层原料投入到内层挤出机料斗中，并设定内层挤出机螺杆温度为1区 165℃，2区185℃，3区 200℃，合流芯190℃，模具3区195℃，主机螺杆转速12转/分钟;
S4：所述外层和所述内层在模具3区处复合，得到所述管材。
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