CN106633344A - 一种抗静电功能母料及其生产工艺、聚乙烯管材生产工艺 - Google Patents

一种抗静电功能母料及其生产工艺、聚乙烯管材生产工艺 Download PDF

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CN106633344A
CN106633344A CN201611080397.5A CN201611080397A CN106633344A CN 106633344 A CN106633344 A CN 106633344A CN 201611080397 A CN201611080397 A CN 201611080397A CN 106633344 A CN106633344 A CN 106633344A
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倪奉龙
闫立军
刘智博
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Shandong Donghong Pipe Industry Co Ltd
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Abstract

本发明涉及一种抗静电功能母料，包括下述重量百分比的组分：超导电炭黑：15‑30%，润滑剂：0.1‑10%，偶联剂：0.5‑5%，分散剂：3‑11%，线性低密度聚乙烯(LLDPE)：30‑80%。本发明的有益效果在于：1、通过此工艺生产的抗静电功能母料，其在煤矿用聚乙烯管材中的添加量可降至18%‑25%，从而大幅提升了矿用管材的冲击强度，冲击强度可提高24%，同时大幅降低了产品成本，此工艺的采用，特别为使用色素炭黑生产抗静电功能母料的生产提供了加工方案。2、通过此工艺生产的抗静电功能母料，再与75%高密度聚乙烯DGDB2480均匀混合后生产煤矿用聚乙烯管材，管材表面电阻可达2.5*105Ω，断裂伸长率为520%，均达到标准要求，且管材外观光滑、亮度高。

Description

一种抗静电功能母料及其生产工艺、聚乙烯管材生产工艺
技术领域
本发明涉及聚烯烃改性及聚乙烯管材技术领域，尤其涉及一种抗静电功能母料及其生产工艺、聚乙烯管材生产工艺。
背景技术
目前，一般塑料产品生产过程中，需添加功能母料，以使产品拥有各种功能。对于矿用PE管材加工，市场多采用HDPE添加抗静电母料、阻燃母料或添加抗静电阻燃母料方式生产，目前厂家多采用高速混合机、双螺杆挤出机生产抗静电母料或抗静电阻燃母料。此种工艺生产时，双螺杆挤出机需要对螺杆元件进行排列组合，螺杆组合的剪切力低时，炭黑不易分散，易造成制品缺陷，螺杆组合的剪切力高时，炭黑结构易受到破坏，从而造成导电性下降；而通过设计配方调整时，添加分散剂或增加炭黑含量，除增加产品成本外，还大大影响矿用管材的冲击性能。特别是此种工艺的使用，不利于开发使用廉价的色素炭黑用于抗静电母料和抗静电阻燃母料的生产。
因此如何高效利用导电炭黑，以最少的添加量达到最好的导电和分散效果，如何解决色素炭黑应用于抗静电功能母料中的分散和导电问题，是亟待解决的问题。
发明内容
本发明所要解决的技术问题是：为了满足日益增长的矿用塑料产品所需原料达到抗静电效果的要求，同时提高矿用塑料产品的质量、降低产品成本和高效利用资源，本发明提供一种抗静电功能母料及其生产工艺、聚乙烯管材生产工艺，可确保炭黑在抗静电功能母料中的良好分散性，提升抗静电功能母料的产品质量，且成本低廉。
本发明为解决上述提出的问题所采用的技术方案是：
一种抗静电功能母料，包括下述重量百分比的组分 ：
超导电炭黑：15-30%，润滑剂：0.1-10%，偶联剂：0.5-5%，分散剂：3-11%，线性低密度聚乙烯(LLDPE)：30-80%。
优选的，所述润滑剂为10#工业白油。
所述偶联剂为硅烷偶联剂，硅烷偶联剂为KH560。
所述分散剂为聚乙烯蜡PE-wax。
所述线性低密度聚乙烯(LLDPE)采用LLDPE7144。
本发明还提供一种抗静电功能母料的生产工艺，包括以下步骤:
1）以重量百分比计，依次向高速混合机中加入15-30%超导电炭黑、0.5-5%偶联剂和0.1-10%润滑剂，高速搅拌8-10分钟，高速混合机加热温度为40-105℃，放料冷却；
2）将步骤1）所得冷却料、40%线性低密度聚乙烯(LLDPE)和3-11%分散剂加入到密炼机内进行密炼，密炼至120-130℃时，再加剩余20-33%线性低密度聚乙烯(LLDPE)，密炼至170-180℃时放料；
3）将步骤2）所得的料块经橡塑单螺杆挤出机挤出造粒，挤出温度设置160-190℃。
本发明还提供一种聚乙烯管材的生产工艺，包括以下步骤:
1）以重量百分比计，依次向高速混合机中加入15-30%超导电炭黑、0.5-5%偶联剂和0.1-10%润滑剂，高速搅拌8-10分钟，高速混合机加热温度为40-105℃，放料冷却；
2）将步骤1）所得冷却料、40%线性低密度聚乙烯(LLDPE)和5%分散剂加入到密炼机内进行密炼，密炼至120-130℃时，再加剩余20-33%线性低密度聚乙烯(LLDPE)，密炼至170-180℃时放料；
3）将步骤2）所得的料块经橡塑单螺杆挤出机挤出造粒，挤出温度设置160-190℃，获得抗静电功能母料；
4）将步骤3）所得的抗静电功能母料再与高密度聚乙烯DGDB2480均匀混合后生产煤矿用聚乙烯管材，管材表面电阻可达2.5*105Ω，断裂伸长率为520%，均达到标准要求，且管材外观光滑、亮度高。
所述抗静电功能母料与高密度聚乙烯DGDB2480的质量比为25%:75%。
本发明的有益效果在于：1、通过此工艺生产的抗静电功能母料，其在煤矿用聚乙烯管材中的添加量可降至18%-25%，从而大幅提升了矿用管材的冲击强度，冲击强度可提高24%，同时大幅降低了产品成本，此工艺的采用，特别为使用色素炭黑生产抗静电功能母料的生产提供了加工方案。2、通过此工艺生产的抗静电功能母料，再与75%高密度聚乙烯DGDB2480均匀混合后生产煤矿用聚乙烯管材，管材表面电阻可达2.5*105Ω，断裂伸长率为520%，均达到标准要求，且管材外观光滑、亮度高。
具体实施方式
下面结合实施例进一步说明。
实施例1，本具体实施方式所述的一种抗静电功能母料的生产工艺，包括以下步骤:
1）以重量百分比计，依次向高速混合机中加入20%超导电炭黑、1%偶联剂和1%润滑剂，高速搅拌8-10分钟，高速混合机加热温度为40-105℃，放料冷却；
2）将步骤1）所得冷却料、40%线性低密度聚乙烯(LLDPE)和5%分散剂加入到密炼机内进行密炼，密炼至120-130℃时，再加剩余33%线性低密度聚乙烯(LLDPE)，密炼至170-180℃时放料；
3）将步骤2）所得的料块经橡塑单螺杆挤出机挤出造粒，挤出温度设置160-190℃。
本发明的具体实施例不构成对本发明的限制，凡是采用本发明的相似结构及变化，均在本发明的保护范围内。

Claims (3)

1.一种抗静电功能母料，其特征在于：包括下述重量百分比的组分 ：
超导电炭黑：15-30%，润滑剂：0.1-10%，偶联剂：0.5-5%，分散剂：3-11%，线性低密度聚乙烯(LLDPE)：30-80%。
2.一种抗静电功能母料的生产工艺，其特征在于：包括以下步骤:
1）以重量百分比计，依次向高速混合机中加入15-30%超导电炭黑、0.5-5%偶联剂和0.1-10%润滑剂，高速搅拌8-10分钟，高速混合机加热温度为40-105℃，放料冷却；
2）将步骤1）所得冷却料、40%线性低密度聚乙烯(LLDPE)和5%分散剂加入到密炼机内进行密炼，密炼至120-130℃时，再加剩余20-33%线性低密度聚乙烯(LLDPE)，密炼至170-180℃时放料；
3）将步骤2）所得的料块经橡塑单螺杆挤出机挤出造粒，挤出温度设置160-190℃。
3.一种聚乙烯管材的生产工艺，其特征在于：包括以下步骤:
1）以重量百分比计，依次向高速混合机中加入15-30%超导电炭黑、0.5-5%偶联剂和0.1-10%润滑剂，高速搅拌8-10分钟，高速混合机加热温度为40-105℃，放料冷却；
2）将步骤1）所得冷却料、40%线性低密度聚乙烯(LLDPE)和3-11%分散剂加入到密炼机内进行密炼，密炼至120-130℃时，再加剩余20-33%线性低密度聚乙烯(LLDPE)，密炼至170-180℃时放料；
3）将步骤2）所得的料块经橡塑单螺杆挤出机挤出造粒，挤出温度设置160-190℃，获得抗静电功能母料；
4）将步骤3）所得的抗静电功能母料再与高密度聚乙烯DGDB2480均匀混合后生产煤矿用聚乙烯管材。
CN201611080397.5A 2016-11-30 2016-11-30 一种抗静电功能母料及其生产工艺、聚乙烯管材生产工艺 Pending CN106633344A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109401041A (zh) * 2018-11-26 2019-03-01 台州学院 一种抗静电聚乙烯管材专用物料的制备方法
CN109593256A (zh) * 2018-11-02 2019-04-09 湖北科普达光电材料有限公司 一种抗紫外半导电聚乙烯护套料及其应用
CN110607019A (zh) * 2019-09-05 2019-12-24 佛山市南海皆联科技有限公司 一种长效防静电色母粒及其制备方法和应用方法

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CN1616531A (zh) * 2003-11-14 2005-05-18 中国石化齐鲁股份有限公司 抗静电阻燃聚乙烯组合物
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