CN108102246A - 高耐候性塑料色母粒 - Google Patents
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Abstract
本发明公开了一种高耐候性塑料色母粒,所述高耐候性塑料色母粒由下述重量份的原料制备而成:载体树脂20‑40份、碳酸钙10‑20份、聚乙烯蜡5‑10份、乙酰柠檬酸三丁酯1‑3份、颜料40‑60份、分散剂0.1‑1份、耐老化剂1‑5份。本发明提供的高耐候性塑料色母粒,施工工艺简单稳定,具有优异的力学性能、阻燃性和抗菌性,同时耐老化,耐高温,使用寿命长。
Description
技术领域
本发明涉及一种高分子材料技术领域,尤其涉及一种高耐候性塑料色母粒。
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。即:颜料+载体+添加剂=色母粒。
色母粒是通过特殊的方法,把颜料高浓度均匀地分散于特定树脂中而形成的一种高效着色剂,故又称为颜料浓缩物。色母粒进入中国已有40多年的历史,品种从无到有,产量和质量与发展之初相比有了大幅度的提高,在薄膜、塑料制品、化纤、电缆、建筑材料等塑料产品领域也广泛采用色母粒着色。
在现有的色母粒制造过程中,需要应用到比较多的钛的化合物,而钛是一个非常重要的战略资源,在制作过程中,由于钛具有极其高的硬度,会对机器产生极大的磨损,而且制造出来的色母粒,在等量的情况下要实现分散性、着色力、遮盖力、耐候性、耐酸性、耐热性和耐寒性的性能,需要花费非常大的成本。
发明内容
针对现有技术中存在的上述不足,本发明所要解决的技术问题是提供一种高耐候性塑料色母粒。
本发明目的是通过如下技术方案实现的:
一种高耐候性塑料色母粒,由下述重量份的原料制备而成:载体树脂20-40份、碳酸钙10-20份、聚乙烯蜡5-10份、乙酰柠檬酸三丁酯1-3份、颜料40-60份、分散剂0.1-1份、耐老化剂1-5份。
优选地,所述的分散剂为花生酸钙、硬脂酸锌、肉豆蔻酸锌中一种或多种的混合物。
更优选地,所述的分散剂由花生酸钙、硬脂酸锌、肉豆蔻酸锌混合而成,所述花生酸钙、硬脂酸锌、肉豆蔻酸锌的质量比为(1-3):(1-3):(1-3)。
优选地,所述的耐老化剂为2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉中一种或多种的混合物。
更优选地,所述的耐老化剂由2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉混合而成,所述2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉的质量比为(1-3):(1-3):(1-3)。
优选地,所述的载体树脂为聚烯烃树脂、ABS树脂、PVC树脂、聚氨酯树脂中的一种或多种。
所述的颜料选用镉红、塑料红B、永固红、钛黄、永固黄、酞青兰、酞青绿、苯并咪唑硐棕中的任一种或二种以上的复合物。
本发明提供的高耐候性塑料色母粒,施工工艺简单稳定,具有优异的力学性能、阻燃性和抗菌性,同时耐老化,耐高温,使用寿命长。
具体实施方式
实施例中各原料介绍:
PVC树脂,即聚氯乙烯树脂,采用广西浙创化工有限公司提供的型号为SG5的聚氯乙烯树脂。
碳酸钙,CAS号:471-34-1,采用上海缘钛化工产品有限公司提供的型号为SP200的纳米级碳酸钙,粒度1800目。
聚乙烯蜡,采用宜兴市首诚塑料制品厂型号为CH110的聚乙烯蜡。
乙酰柠檬酸三丁酯,CAS号:77-90-7。
花生酸钙,CAS号:22302-43-8。
硬脂酸锌,CAS号:557-05-1。
肉豆蔻酸锌,CAS号:16260-27-8。
2,6-二叔丁基对甲酚,CAS号:128-37-0。
特丁基对苯二酚,CAS号:1948-33-0。
乙氧基喹啉,CAS号:91-53-2。
酞青绿,CAS号:1328-53-6,采用九江市七彩颜料化工有限公司提供的5319酞青绿G。
实施例1
高耐候性塑料色母粒原料(重量份):PVC树脂30份、碳酸钙15份、聚乙烯蜡8份、乙酰柠檬酸三丁酯1.5份、酞青绿50份、分散剂0.6份、耐老化剂3份。
所述的分散剂由花生酸钙、硬脂酸锌、肉豆蔻酸锌按质量比为1:1:1搅拌混合均匀得到。
所述的耐老化剂由2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉按质量比为1:1:1搅拌混合均匀得到。
高耐候性塑料色母粒的制备:
(1)按照重量配比称取各组分;
(2)将PVC树脂、碳酸钙、聚乙烯蜡、乙酰柠檬酸三丁酯、酞青绿、分散剂、耐老化剂加入到高速混合机中进行混合,混合转速86转/分钟,搅拌时间14分钟,得到混合物料;
(3)将混合后的物料置于双螺杆挤出机中进行挤出,即得。其中温度控制参数为,供料段161℃,压缩段174℃,机头温度194℃,口模温度191℃。得到实施例1的高耐候性塑料色母粒。
实施例2
与实施例1基本相同,区别仅在于:所述的分散剂由硬脂酸锌、肉豆蔻酸锌按质量比为1:1搅拌混合均匀得到。得到实施例2的高耐候性塑料色母粒。
实施例3
与实施例1基本相同,区别仅在于:所述的分散剂由花生酸钙、肉豆蔻酸锌按质量比为1:1搅拌混合均匀得到。得到实施例3的高耐候性塑料色母粒。
实施例4
与实施例1基本相同,区别仅在于:所述的分散剂由花生酸钙、硬脂酸锌按质量比为1:1搅拌混合均匀得到。得到实施例4的高耐候性塑料色母粒。
实施例5
与实施例1基本相同,区别仅在于:所述的耐老化剂由特丁基对苯二酚、乙氧基喹啉按质量比为1:1搅拌混合均匀得到。得到实施例5的高耐候性塑料色母粒。
实施例6
与实施例1基本相同,区别仅在于:所述的耐老化剂由2,6-二叔丁基对甲酚、乙氧基喹啉按质量比为1:1搅拌混合均匀得到。得到实施例6的高耐候性塑料色母粒。
实施例7
与实施例1基本相同,区别仅在于:所述的耐老化剂由2,6-二叔丁基对甲酚、特丁基对苯二酚按质量比为1:1搅拌混合均匀得到。得到实施例7的高耐候性塑料色母粒。
测试例1
对实施例1-7制备得到的高耐候性塑料色母粒的抗菌性能进行测试。
抗菌测试标准:QB/T2591-2003抗菌塑料抗菌性能试验方法和抗菌效果。
检测用菌:大肠杆菌ATCC8099;金黄色葡萄球菌ATCC6538。
具体测试结果见表1。
表1:高耐候性塑料色母粒的抗菌性能测试表
比较实施例1与实施例2-4,实施例1(花生酸钙、硬脂酸锌、肉豆蔻酸锌复配)抗菌性能明显优于实施例2-4(花生酸钙、硬脂酸锌、肉豆蔻酸锌中任意二者复配)。
比较实施例1与实施例5-7,实施例1(2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉复配)抗菌性能明显优于实施例5-7(2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉中任意二者复配)。
测试例2
将实施例1-7制备得到的高耐候性塑料色母粒与聚氯乙烯树脂按照质量比2∶8共混均匀,按照GB/T 17037.3-2003注塑成聚氯乙烯树脂样条。
对实施例1-7制备得到的聚氯乙烯树脂样条的热稳定性进行测试,具体测试结果见表2。
表2:聚氯乙烯树脂样条的热稳定性测试数据表
比较实施例1与实施例2-4,实施例1(花生酸钙、硬脂酸锌、肉豆蔻酸锌复配)热稳定性明显优于实施例2-4(花生酸钙、硬脂酸锌、肉豆蔻酸锌中任意二者复配)。比较实施例1与实施例5-7,实施例1(2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉复配)热稳定性明显优于实施例5-7(2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉中任意二者复配)。
Claims (7)
1.一种高耐候性塑料色母粒,其特征在于,由下述重量份的原料制备而成:载体树脂20-40份、碳酸钙10-20份、聚乙烯蜡5-10份、乙酰柠檬酸三丁酯1-3份、颜料40-60份、分散剂0.1-1份、耐老化剂1-5份。
2.如权利要求1所述的高耐候性塑料色母粒,所述的分散剂由花生酸钙、硬脂酸锌、肉豆蔻酸锌中的一种或多种的混合物。
3.如权利要求2所述的高耐候性塑料色母粒,其特征在于,所述的分散剂由花生酸钙、硬脂酸锌、肉豆蔻酸锌混合而成,所述花生酸钙、硬脂酸锌、肉豆蔻酸锌的质量比为(1-3):(1-3):(1-3)。
4.如权利要求1-3任一项所述的高耐候性塑料色母粒,其特征在于,所述的耐老化剂由2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉中的一种或多种的混合物。
5.如权利要求4所述的高耐候性塑料色母粒,其特征在于,所述的耐老化剂由2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉混合而成,所述2,6-二叔丁基对甲酚、特丁基对苯二酚、乙氧基喹啉的质量比为(1-3):(1-3):(1-3)。
6.如权利要求1所述的高耐候性塑料色母粒,其特征在于,所述的载体树脂为聚烯烃树脂、ABS树脂、PVC树脂、丙烯酸树脂、聚氨酯树脂中的一种或多种。
7.如权利要求1所述的高耐候性塑料色母粒,其特征在于,所述的颜料选用镉红、塑料红B、永固红、钛黄、永固黄、酞青兰、酞青绿、苯并咪唑硐棕中的任一种或二种以上的复合物。
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CN109824995A (zh) * | 2018-12-20 | 2019-05-31 | 合肥旭弘塑胶制品有限公司 | 一种pvc抗老化色母粒 |
CN110938265A (zh) * | 2019-11-15 | 2020-03-31 | 广东天雄新材料科技股份有限公司 | 一种高流动性pvc专用色母料及其制备方法 |
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