CN108047666A - 一种抗拉强度环保塑料色母粒高分子载体及其制造方法 - Google Patents
一种抗拉强度环保塑料色母粒高分子载体及其制造方法 Download PDFInfo
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Abstract
本发明属于塑料材料领域,具体公开一种抗拉强度环保塑料色母粒高分子载体及其制造方法。按重量百分比计,包括组成:聚乙烯醇树脂20‑30份、改性SiO2 5‑15份、抗粘连剂硬脂酸镁5‑10份、塑料载体20‑80份、淀粉5‑15份、颜料5‑25份、偶联剂0.1‑1.5份、增塑剂1‑7份、润滑剂0.2‑3份、抗氧剂0.5‑2.5份、分散剂0.1‑4份等。本发明提供的环保塑料色母粒一种不易粘连,抗拉强度、模量、热稳定性都较好不易粘连,环保无毒无污染。
Description
发明领域
本发明属于塑料材料领域,具体地说是涉及一种抗拉强度环保塑料色母粒高分子载体及其制造方法。
背景技术
色母粒是由高比例的颜料或添加剂与热塑性树脂,经良好分散而成的塑料着色剂,其所选用的树脂对着色剂具有良好润湿和分散作用,并且与被着色材料具有良好的相容性。色母粒着色是现今最普遍采用的塑料着色法。把分散于载体的着色剂,与本色母粒色树脂简单混和后用于制造塑料制品。
但目前聚乙烯醇薄膜抗拉强度、模量较低,耐热性较差。而且由于聚乙烯醇是亲水性材料,很容易粘连,对薄膜的生产和储存造成诸多不便。
发明内容
为解决上述技术问题,本发明提供一种抗拉强度环保塑料色母粒高分子载体及其制造方法。以解决全生物降解塑料降解率降低的问题。
为达到上述目的,本发明所采取的技术方案为:
一种抗拉强度环保塑料色母粒高分子载体,按重量百分比计,包括组成:聚乙烯醇树脂20-30份,改性SiO25-15份,抗粘连剂硬脂酸镁5-10份,塑料载体20-60份、淀粉5-15份、颜料5-25份、偶联剂0.1-1.5份、增塑剂1-7份、润滑剂0.2-3份、抗氧剂0.5-2.5份、分散剂0.1-4份。
优选地,在本发明的较佳实施例中,所述塑料载体为生物降解塑料载体,所述生物降解塑料载体为聚羟基脂肪酸酯、聚乙二酸/对苯二甲酸丁二酯、聚丁二酸丁二醇酯、聚乳酸、聚对苯二甲酸丙二醇酯中的任意一种。所述改性SiO2制备方法为:将70%的聚醚胺溶液中直接加入CTAB(所述CTAB与聚醚胺溶液的质量体积比为:1g:30ml,CTAB为溴化十六烷三甲基铵),CTAB对聚醚胺进行絮凝和改性反应得到改性聚醚胺溶液;将改性聚醚胺溶液与电静电喷雾的方式接枝与SiO2表面,所述改性聚醚胺溶液与SiO2的比例为1g:10ml。
优选地,在本发明的较佳实施例中,所述颜料为无机颜料和有机颜料中的任意一种;所述无机颜料选自镉红、镉黄、钛白粉、炭黑、氧化铁红、氧化铁黄中的一种,所述有机颜料选自酞菁红、酞菁蓝、酞菁绿、耐晒大红、大分子红、大分子黄、永固黄、永固紫、偶氮红中的一种。
优选地,在本发明的较佳实施例中,所述分散剂为聚乙烯蜡、季戊四醇硬脂酸酯和硬脂酸钙中的一种。
另外,本发明还提供了一种抗拉强度环保塑料色母粒高分子载体的制造方法,包括以下步骤:
(1)按配比称取各组分,将所述颜料、所述偶联剂、所述淀粉加入反应釜中,并于90-110℃下,以3000-5000r/min高速搅拌15-35min;
(2)然后往所述反应釜中加入所述增塑剂、所述润滑剂、所述抗氧剂、所述分散剂和所述载体,高速混合5-15min,出料后得混合料;
(3)将所述混合料加入上述比例中的其它剩余原料,在双螺杆挤出机中熔融共混,挤出造粒、冷却、干燥,制得所述环保塑料色母粒。
优选地,在本发明的较佳实施例中,所述双螺杆挤出机进料至出料端共分为5个温区。
优选地,在本发明的较佳实施例中,所述双螺杆挤压机挤压的区段温度为:第一区为:90-105℃,第二区为:110-135℃,第三区为:150-170℃,第四区为:175-195℃,第五区为:195-245℃。
本发明的有益效果:本发明通过加入抗粘连剂、改性二氧化硅,获得了一种不易粘连,抗拉强度、模量、热稳定性都较好不易粘连,环保无毒无污染;拉伸强度、张力优于传统塑料载体;本发明提供的环保塑料色母粒具有生物降解性,加入全生物降解塑料中不会降低其降解率。本发明环保、无污染,在树脂中具有很强的分散性,不易变色且着色效果好。填料优选为碳酸钙,廉价易得,除有增量填充的作用外,还有改善制品加工性能和应用性能的功效。双螺杆挤压机的特殊工艺分区设置,出口端温度稍高,有利于色母颜料在制品中处于良好分散状态,还可以适当增加产品光亮度。
具体实施方式
下面结合具体实施例对本发明所述技术方案作进一步的说明。
实施例1:
本发明的实施例1提供了一种抗拉强度环保塑料色母粒高分子载体,按重量百分比计,包括组成:聚乙烯醇树脂20份,改性SiO25份,抗粘连剂硬脂酸镁5份,塑料载体20份、淀粉5份、颜料5份、偶联剂0.1份、增塑剂1份、润滑剂0.2份、抗氧剂0.5份、分散剂0.1份。
塑料载体为生物降解塑料载体,生物降解塑料载体为聚羟基脂肪酸酯。偶联剂为KH550、增塑剂为甲基纤维素、润滑剂为甘油、抗氧剂为山梨酸。
所述改性SiO2制备方法为:将70%的聚醚胺溶液中直接加入CTAB(所述CTAB与聚醚胺溶液的质量体积比为:1g:30ml,CTAB为溴化十六烷三甲基铵),CTAB对聚醚胺进行絮凝和改性反应得到改性聚醚胺溶液;将改性聚醚胺溶液与电静电喷雾的方式接枝与SiO2表面,所述改性聚醚胺溶液与SiO2的比例为1g:10ml。
颜料为无机颜料;无机颜料为钛白粉。
分散剂为硬脂酸钙。
另外,本实施例还提供了一种抗拉强度环保塑料色母粒高分子载体的制造方法,包括以下步骤:
(1)按配比称取各组分,将所述颜料、所述偶联剂、所述淀粉加入反应釜中,并于90-110℃下,以3000-5000r/min高速搅拌15-35min;
(2)然后往所述反应釜中加入所述增塑剂、所述润滑剂、所述抗氧剂、所述分散剂和所述载体,高速混合5-15min,出料后得混合料;
(3)将所述混合料加入上述比例中的其它剩余原料,在双螺杆挤出机中熔融共混,挤出造粒、冷却、干燥,制得所述环保塑料色母粒。
双螺杆挤出机进料至出料端共分为5个温区。
双螺杆挤压机挤压的区段温度为:第一区为:90℃,第二区为:135℃,第三区为:170℃,第四区为:195℃,第五区为:245℃。
实施例2:
本发明的实施例2提供了一种抗拉强度环保塑料色母粒高分子载体,按重量百分比计,包括组成:聚乙烯醇树脂25份,改性SiO210份,抗粘连剂硬脂酸镁8份,塑料载体40份、淀粉10份、颜料15份、偶联剂0.8份、增塑剂4份、润滑剂2份、抗氧剂1份、分散剂2份。
塑料载体为生物降解塑料载体,生物降解塑料载体为聚羟基脂肪酸酯。偶联剂为KH550、增塑剂为甲基纤维素、润滑剂为甘油、抗氧剂为山梨酸。
所述改性SiO2制备方法为:将70%的聚醚胺溶液中直接加入CTAB(所述CTAB与聚醚胺溶液的质量体积比为:1g:30ml,CTAB为溴化十六烷三甲基铵),CTAB对聚醚胺进行絮凝和改性反应得到改性聚醚胺溶液;将改性聚醚胺溶液与电静电喷雾的方式接枝与SiO2表面,所述改性聚醚胺溶液与SiO2的比例为1g:10ml。
颜料为无机颜料;无机颜料为钛白粉。
分散剂为聚乙烯蜡。
另外,本实施例还提供了一种抗拉强度环保塑料色母粒高分子载体的制造方法,包括以下步骤:
(1)按配比称取各组分,将所述颜料、所述偶联剂、所述淀粉加入反应釜中,并于90-110℃下,以3000-5000r/min高速搅拌15-35min;
(2)然后往所述反应釜中加入所述增塑剂、所述润滑剂、所述抗氧剂、所述分散剂和所述载体,高速混合5-15min,出料后得混合料;
(3)将所述混合料加入上述比例中的其它剩余原料,在双螺杆挤出机中熔融共混,挤出造粒、冷却、干燥,制得所述环保塑料色母粒。
双螺杆挤出机进料至出料端共分为5个温区。
双螺杆挤压机挤压的区段温度为:第一区为:105℃,第二区为:135℃,第三区为:170℃,第四区为:195℃,第五区为:245℃。
实施例3:
本发明的实施例3提供了一种抗拉强度环保塑料色母粒高分子载体,按重量百分比计,包括组成:聚乙烯醇树脂30份,改性SiO215份,抗粘连剂硬脂酸镁10份,塑料载体60份、淀粉15份、颜料25份、偶联剂1.5份、增塑剂7份、润滑剂3份、抗氧剂2.5份、分散剂4份。
塑料载体为生物降解塑料载体,生物降解塑料载体为聚羟基脂肪酸酯。偶联剂为KH550、增塑剂为甲基纤维素、润滑剂为甘油、抗氧剂为山梨酸。
所述改性SiO2制备方法为:将70%的聚醚胺溶液中直接加入CTAB(所述CTAB与聚醚胺溶液的质量体积比为:1g:30ml,CTAB为溴化十六烷三甲基铵),CTAB对聚醚胺进行絮凝和改性反应得到改性聚醚胺溶液;将改性聚醚胺溶液与电静电喷雾的方式接枝与SiO2表面,所述改性聚醚胺溶液与SiO2的比例为1g:10ml。
颜料为无机颜料;无机颜料为钛白粉。
分散剂为硬脂酸钙。
另外,本实施例还提供了一种抗拉强度环保塑料色母粒高分子载体的制造方法,包括以下步骤:
(1)按配比称取各组分,将所述颜料、所述偶联剂、所述淀粉加入反应釜中,并于90-110℃下,以3000-5000r/min高速搅拌15-35min;
(2)然后往所述反应釜中加入所述增塑剂、所述润滑剂、所述抗氧剂、所述分散剂和所述载体,高速混合5-15min,出料后得混合料;
(3)将所述混合料加入上述比例中的其它剩余原料,在双螺杆挤出机中熔融共混,挤出造粒、冷却、干燥,制得所述环保塑料色母粒。
双螺杆挤出机进料至出料端共分为5个温区。
双螺杆挤压机挤压的区段温度为:第一区为:100℃,第二区为:125℃,第三区为:160℃,第四区为:185℃,第五区为:220℃。
以下实施例中的原料购买渠道和生产厂家分别为:
颜料、偶联剂、淀粉渠道盖得化工网,广州市诚壹明化工有限公司;
增塑剂、润滑剂渠道聪慧网,江苏晶瑞特环保新材料有限公司;
抗氧剂、分散剂和载体渠道阿里巴巴,安阳国昌铁合金有限责任公司;
其它原料渠道丁香通,上海江莱生物科技有限公司.
本发明制得的环保塑料色母粒为可降解塑料。一种好的降解材料应该同时具备耐用性和可降解性。对实施例1-3制得的环保塑料色母粒进行基本性能评价。具体对比结果如下表:
Claims (9)
1.一种抗拉强度环保塑料色母粒高分子载体,其特征在于,按重量百分比计,包括组成:聚乙烯醇树脂20-30份,改性SiO25-15份,抗粘连剂硬脂酸镁5-10份,塑料载体20-60份、淀粉5-15份、颜料5-25份、偶联剂0.1-1.5份、增塑剂1-7份、润滑剂0.2-3份、抗氧剂0.5-2.5份、分散剂0.1-4份。
2.根据权利要求1所述的环保塑料色母粒,其特征在于:所述塑料载体为生物降解塑料载体,所述生物降解塑料载体为聚羟基脂肪酸酯、聚乙二酸/对苯二甲酸丁二酯、聚丁二酸丁二醇酯、聚乳酸、聚对苯二甲酸丙二醇酯中的任意一种。
3.根据权利要求1所述的环保塑料色母粒,其特征在于:
所述改性SiO2制备方法为:将70%的聚醚胺溶液中直接加入CTAB,所述CTAB与聚醚胺溶液的质量体积比为:1g:30ml,CTAB为溴化十六烷三甲基铵,CTAB对聚醚胺进行絮凝和改性反应得到改性聚醚胺溶液;将改性聚醚胺溶液与电静电喷雾的方式接枝与SiO2表面,所述改性聚醚胺溶液与SiO2的比例为1g:10ml。
4.根据权利要求1所述的环保塑料色母粒,其特征在于:所述颜料为无机颜料和有机颜料中的任意一种。
5.根据权利要求4所述的环保塑料色母粒,其特征在于:所述无机颜料选自镉红、镉黄、钛白粉、炭黑、氧化铁红、氧化铁黄中的任意一种,所述有机颜料选自酞菁红、酞菁蓝、酞菁绿、耐晒大红、大分子红、大分子黄、永固黄、永固紫、偶氮红中的任意一种。
6.根据权利要求1所述的环保塑料色母粒,其特征在于:所述分散剂为聚乙烯蜡、季戊四醇硬脂酸酯和硬脂酸钙中的一种。
7.一种如权利要求1-6任一项所述的环保塑料色母粒的制造方法,其特征在于,包括以下步骤:
(1)按配比称取各组分,将所述颜料、所述偶联剂、所述淀粉加入反应釜中,并于90-110℃下,以3000-5000r/min高速搅拌15-35min;
(2)然后往所述反应釜中加入所述增塑剂、所述润滑剂、所述抗氧剂、所述分散剂和所述载体,高速混合5-15min,出料后得混合料;
(3)将所述混合料加入上述比例中的其它剩余原料,在双螺杆挤出机中熔融共混,挤出造粒、冷却、干燥,制得所述环保塑料色母粒。
8.根据权利要求7所述的环保塑料色母粒的制造方法,其特征在于:所述双螺杆挤出机进料至出料端共分为5个温区。
9.根据权利要求7所述的环保塑料色母粒的制造方法,其特征在于,所述双螺杆挤压机挤压的区段温度为:第一区为:90-105℃,第二区为:110-135℃,第三区为:150-170℃,第四区为:175-195℃,第五区为:195-245℃。
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