CN107663326A - 一种薄壁电线电缆绝缘用聚乙烯色母粒及其制备方法 - Google Patents

一种薄壁电线电缆绝缘用聚乙烯色母粒及其制备方法 Download PDF

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CN107663326A
CN107663326A CN201710838300.0A CN201710838300A CN107663326A CN 107663326 A CN107663326 A CN 107663326A CN 201710838300 A CN201710838300 A CN 201710838300A CN 107663326 A CN107663326 A CN 107663326A
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张继中
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Suzhou Wujiang New Mstar Technology Ltd
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Abstract

本发明涉及电缆用色母粒着色技术领域,具体涉及一种薄壁电线电缆绝缘用聚乙烯色母粒及其制备方法,所述薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末55~70份、钛白粉5~12份、重质碳酸钙2~5份、聚乙烯蜡1~3份、颜料25~35份。

Description

一种薄壁电线电缆绝缘用聚乙烯色母粒及其制备方法
技术领域
本发明涉及电缆用色母粒着色技术领域,具体涉及一种薄壁电线电缆绝缘用聚乙烯色母粒及其制备方法。
背景技术
色母粒是由树脂和大量颜料或染料配制成高浓度颜色的混合物。色母又名色种,是一种把超常量的颜料或染料均匀载附于树脂之中而制得的聚集体,加工时用少量色母料和未着色树脂掺混,就可达到设计颜料浓度的着色树脂或制品。色母料广泛应用在广泛用于聚乙烯、聚丙烯、聚苯乙烯、ABS、尼龙、PC、PMMA、PET等树脂中,生产出了五颜六色的纤维、服装、日用塑料、电线及电缆、家用电器、农用薄膜、汽车配件、保健器械等制品。
目前电线电缆用PE(聚乙烯)色母粒制造过程中,采用的配方为粉状热塑性PE(聚乙烯)树脂为主要原料进行挤出,制造出色母粒,但这种配方做出来的色母粒,在生产薄壁电缆时,会影响电缆表面的绝缘层的颜色,使客户难以接受,导致客户退货,给企业带来较大的损失。
发明内容
针对现有技术中在生产薄壁电缆时,电缆表面的绝缘层的颜色差异性大的缺点,本发明的主要目的是提供一种薄壁电线电缆绝缘用薄壁电线电缆绝缘用聚乙烯色母粒及其制备方法。
本发明的发明人在生产中发现目前电线电缆用PE色母粒制造过程中,主要以热塑性聚乙烯树脂粉、重质碳酸钙、聚乙烯蜡、颜料,进行高速搅拌混合挤出,制造出色母粒,但这种配方做出来的色母粒,在生产薄壁电缆时,其电缆铜丝的颜色,会由里面往外透出来,在光照下,影响电缆表面的绝缘的颜色,使客户难以接受,导致客户退货,给企业带来较大的损失。
发明人在薄壁电线电缆绝缘用聚乙烯色母粒的配方中,混料时,加入一定量的钛白粉,钛白粉具有较强的遮盖能力,用这种配方做出来的绿色色母粒,在生产PE薄壁电线电缆时,可以完全遮盖掉铜丝的颜色,使电线电缆呈现色母粒的颜色,完全符合客户的需求,为企业很大程度地降低了因颜色导致的损失,提高的企业的利润率。
本发明提供了一种薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末55~70份、钛白粉5~12份、重质碳酸钙2~5份、聚乙烯蜡1~3份、颜料25~35份。
优选的,所述的薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末60~68份、钛白粉6~10份、重质碳酸钙3~4份、聚乙烯蜡1~2.5份、颜料28~32份。
优选的,所述颜料选自颜料黄001、颜料黄042、颜料蓝16、颜料绿50、颜料紫2、颜料红254、颜料黑2、颜料棕23、颜料橙16中的至少一种。
优选的,所述颜料为颜料绿50。
所述的薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,包括以下步骤:
(1)通过高速密炼机进行混料:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为420RPM~480RPM,温度设定为23℃~35℃,时间为620秒~910秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为390RPM~460RPM,温度设定为20℃~30℃,时间为530秒~890秒,最后加入钛白粉,所述螺杆转速为355RPM~410RPM,温度设定为22℃~32℃,时间为420秒~580秒,得到混合基料;
(2)混料:将基料挤出成型,得到聚乙烯型材;
(3)水冷;
(4)将冷却后的聚乙烯型材置于切粒机中切粒,得到薄壁电线电缆绝缘用聚乙烯色母粒。
优选的,在步骤(1)中,所述混料工艺为:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为440RPM~460RPM,温度设定为25℃~32℃,时间为750秒~810秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为420RPM~450RPM,温度设定为25℃~28℃,时间为600秒~750秒,最后加入钛白粉,所述螺杆转速为375RPM~390RPM,温度设定为25℃~30℃,时间为450秒~500秒,得到混合基料。
优选的,在步骤(2)中,所述挤出成型温度为175℃~180℃。
优选的,在步骤(3)中,所述水冷工艺为将聚乙烯型材置于20~50℃的流水中静置5~10s,其中水流速度为10L/min~50L/min。
优选的,在步骤(5)中,所述切粒机的转速为240~350r/min。
与现有技术相比,本发明具有以下技术效果:
本发明通过在生产PE薄壁电线电缆时加入钛白粉,可以完全遮盖掉铜丝的黄色颜色,为企业很大程度地降低了因颜色导致的损失,提高的企业的利润率,且不会影响PE薄膜的机械性能;
本发明的制备方法简单、稳定、高效,提高了生产效率,解决了原有的PE(聚乙烯)色母粒在生产薄壁PE电线电缆时,出现的颜色色差问题,实现了节约、方便、实用、节能等效果。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例1
一种薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末65份、钛白粉8份、重质碳酸钙4份、聚乙烯蜡2份、颜料30份。
所述薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,包括以下步骤:
(1)通过高速密炼机进行混料:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为480RPM,温度设定为23℃,时间为910秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为390RPM,温度设定为30℃,时间为530秒,最后加入钛白粉,所述螺杆转速为410RPM,温度设定为22℃,时间为580秒,得到混合基料;
(2)混料:将基料挤出成型,挤出成型温度为180℃,得到聚乙烯型材;
(3)将聚乙烯型材置于50℃的流水中静置5s,其中水流速度为50L/min;
(4)将冷却后的聚乙烯型材置于切粒机中切粒,所述切粒机的转速为240r/min,得到薄壁电线电缆绝缘用聚乙烯色母粒。
实施例2
一种薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末68份、钛白粉6份、重质碳酸钙4份、聚乙烯蜡1份、颜料32份。
所述薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,包括以下步骤:
(1)通过高速密炼机进行混料:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为420RPM,温度设定为35℃,时间为620秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为460RPM,温度设定为20℃,时间为890秒,最后加入钛白粉12%,所述螺杆转速为355RPM,温度设定为32℃,时间为420秒,得到混合基料;
(2)混料:将基料挤出成型,挤出成型温度为180℃,得到聚乙烯型材;
(3)将聚乙烯型材置于20℃的流水中静置10s,其中水流速度为10L/min;
(4)将冷却后的聚乙烯型材置于切粒机中切粒,所述切粒机的转速为350r/min,得到薄壁电线电缆绝缘用聚乙烯色母粒。
实施例3
一种薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末60份、钛白粉10份、重质碳酸钙3份、聚乙烯蜡25份、颜料28份。
所述薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,包括以下步骤:
(1)通过高速密炼机进行混料:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为450RPM,温度设定为28℃,时间为780秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为435RPM,温度设定为26℃,时间为660秒,最后加入钛白粉,所述螺杆转速为380RPM,温度设定为28℃,时间为480秒,得到混合基料;
(2)混料:将基料挤出成型,挤出成型温度为175℃,得到聚乙烯型材;
(3)将聚乙烯型材置于50℃的流水中静置5s,其中水流速度为50L/min;
(4)将冷却后的聚乙烯型材置于切粒机中切粒,所述切粒机的转速为240r/min,得到薄壁电线电缆绝缘用聚乙烯色母粒。
实施例4
一种薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末70份、钛白粉5份、重质碳酸钙5份、聚乙烯蜡1份、颜料35份。
所述薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,包括以下步骤:
(1)通过高速密炼机进行混料先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为460RPM,温度设定为25℃,时间为810秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为420RPM,温度设定为28℃,时间为600秒,最后加入钛白粉,所述螺杆转速为390RPM,温度设定为25℃,时间为500秒,得到混合基料;
(2)混料:将基料挤出成型,挤出成型温度为179℃,得到聚乙烯型材;
(3)将聚乙烯型材置于42℃的流水中静置6s,其中水流速度为15L/min;
(4)将冷却后的聚乙烯型材置于切粒机中切粒,所述切粒机的转速为330r/min,得到薄壁电线电缆绝缘用聚乙烯色母粒。
实施例5
一种薄壁电线电缆绝缘用聚乙烯色母粒,由以下重量份的原料制成:热塑性聚乙烯树脂粉末55份、钛白粉12份、重质碳酸钙2份、聚乙烯蜡3份、颜料25份。
所述薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,包括以下步骤:
(1)通过高速密炼机进行混料:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为440RPM,温度设定为32℃,时间为750秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为450RPM,温度设定为25℃,时间为750秒,最后加入钛白粉,所述螺杆转速为375RPM,温度设定为30℃,时间为450秒,得到混合基料;
(2)混料:将基料挤出成型,挤出成型温度为177℃,得到聚乙烯型材;
(3)将聚乙烯型材置于35℃的流水中静置8s,其中水流速度为20L/min;
(4)将冷却后的聚乙烯型材置于切粒机中切粒,所述切粒机的转速为280r/min,得到薄壁电线电缆绝缘用聚乙烯色母粒。
上述描述仅是对本发明部分实施例的描述,并非对本发明范围的任何限定,本行业的普通技术人员可根据本发明对上述实施例做出改进或修改,但均属于本发明保护范围。

Claims (9)

1.一种薄壁电线电缆绝缘用聚乙烯色母粒,其特征在于,由以下重量份的原料制成:热塑性聚乙烯树脂粉末55~70份、钛白粉5~12份、重质碳酸钙2~5份、聚乙烯蜡1~3份、颜料25~35份。
2.根据权利要求1所述的薄壁电线电缆绝缘用聚乙烯色母粒,其特征在于,由以下重量份的原料制成:热塑性聚乙烯树脂粉末60~68份、钛白粉6~10份、重质碳酸钙3~4份、聚乙烯蜡1~2.5份、颜料28~32份。
3.根据权利要求1或2所述的薄壁电线电缆绝缘用聚乙烯色母粒,其特征在于,所述颜料选自颜料黄001、颜料黄042、颜料蓝16、颜料绿50、颜料紫2、颜料红254、颜料黑2、颜料棕23、颜料橙16中的至少一种。
4.根据权利要求3所述的薄壁电线电缆绝缘用聚乙烯色母粒,其特征在于,所述颜料为颜料绿50。
5.根据权利要求1~4中任意一项所述的薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,其特征在于,包括以下步骤:
(1)通过高速密炼机进行混料:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为420RPM~480RPM,温度设定为23℃~35℃,时间为620秒~910秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为390RPM~460RPM,温度设定为20℃~30℃,时间为530秒~890秒,最后加入钛白粉,所述螺杆转速为355RPM~410RPM,温度设定为22℃~32℃,时间为420秒~580秒,得到混合基料;
(2)混料:将基料挤出成型,得到聚乙烯型材;
(3)水冷;
(4)将冷却后的聚乙烯型材置于切粒机中切粒,得到薄壁电线电缆绝缘用聚乙烯色母粒。
6.根据权利要求5所述的薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,其特征在于,在步骤(1)中,所述混料工艺为:先加粉状聚乙烯树脂和聚乙烯蜡,高速预混,所述螺杆转速为440RPM~460RPM,温度设定为25℃~32℃,时间为750秒~810秒;然后加入重质碳酸钙和颜料,高速预混,所述螺杆转速为420RPM~450RPM,温度设定为25℃~28℃,时间为600秒~750秒,最后加入钛白粉,所述螺杆转速为375RPM~390RPM,温度设定为25℃~30℃,时间为450秒~500秒,得到混合基料。
7.根据权利要求5所述的薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,其特征在于,在步骤(2)中,所述挤出成型温度为175℃~180℃。
8.根据权利要求5所述的薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,其特征在于,在步骤(3)中,所述水冷工艺为将聚乙烯型材置于20~50℃的流水中静置5~10s,其中水流速度为10L/min~50L/min。
9.根据权利要求5所述的薄壁电线电缆绝缘用聚乙烯色母粒的制备方法,其特征在于,在步骤(5)中,所述切粒机的转速为240~350r/min。
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