CN109575503A - 一种微发泡阻燃abs镭雕材料及其制备方法 - Google Patents

一种微发泡阻燃abs镭雕材料及其制备方法 Download PDF

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CN109575503A
CN109575503A CN201811456281.6A CN201811456281A CN109575503A CN 109575503 A CN109575503 A CN 109575503A CN 201811456281 A CN201811456281 A CN 201811456281A CN 109575503 A CN109575503 A CN 109575503A
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laser engraving
fretting map
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胡勤
皮正亮
葛嘉宝
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Guangdong Vlin Plastics Engineering Ltd By Share Ltd
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Abstract

本发明公开了一种微发泡阻燃ABS镭雕材料及其制备方法，其技术方案要点是包括以下重量组分：ABS树脂65％～75％，分散剂0～0.5％，复配增韧剂5％～15％，环保溴系阻燃剂12％～16％，复配阻燃协效剂2.5％～3.5％，抗滴落剂0～0.5％，微发泡剂0～2％，镭雕粉0～0.6％，抗氧剂0.3％～0.6％，润滑剂0.3％～1.5％。本发明的一种微发泡阻燃ABS镭雕材料其制备方法，产品具有较低的密度、优异的阻燃性、优异的韧性、优异的镭雕性、650℃灼热丝不起火、优异的尺寸稳定性，并且加工工艺简单，可用于轻量化的阻燃产品、表面镭雕刻字或图形产品等领域，且制备工艺简单。

Description

一种微发泡阻燃ABS镭雕材料及其制备方法
【技术领域】
本发明属于高分子材料技术领域，具体涉及一种微发泡阻燃ABS镭雕材料及其制备方法。
【背景技术】
市场上通用阻燃ABS材料的比重较大，很难满足阻燃产品的轻量化需求。丙烯腈-丁二烯-苯乙烯共聚物(简称ABS)具有很好的韧性、良好的耐化学药品性、高的光泽度、优异的尺寸稳定性、良好的加工流动性、优异的着色性、优异的电镀性等，但其耐候性差。市场常用的低密度阻燃材料主要是阻燃PP材料，市场上低密度阻燃ABS材料很少，但其韧性较差，尺寸稳定性低，在耐高温、表面光泽方面没有优势，且不能满足对韧性或尺寸精度要求高的产品的需求，难以作为镭雕基材进行加工。
【发明内容】
本发明的一种微发泡阻燃ABS镭雕材料，具有较低的密度、优异的阻燃性、优异的韧性、优异的镭雕性、650℃灼热丝不起火、优异的尺寸稳定性，并且加工工艺简单，可用于轻量化的阻燃产品、表面镭雕刻字或图形产品等领域。
本发明还提供一种微发泡阻燃ABS镭雕材料的制备方法。
本发明技术方案如下：
一种微发泡阻燃ABS镭雕材料，包括以下重量组分：
优选的，所述的ABS树脂(丙烯腈-丁二烯-苯乙烯共聚物树脂)为宁波甬兴，HI-121H，熔融指数23g/10min。
优选的，所述的分散剂为白矿油、硅油或聚乙烯蜡粉中一种或两种混合。优选分散剂为德国瓦克，AK-1000，粘度(25℃,CS)1000±50‰。
优选的，所述的复配增韧剂为乙烯-醋酸乙烯共聚物、氯化聚乙烯以重量百分比2:3～5:8复配制得。优选为泰国石化，SV1055；潍坊亚星，CPE-2135，氯含量35±1％，熔融指数40g/10min，氯化聚乙烯具有优异的耐臭氧性、耐候性，色稳定性、耐化学药品性、耐油性和难燃性等特性，耐屈挠性和耐磨耗性等机械性能也很好。其单真独配合寸的用途有耐化学药品胶辊、电线、模型制品及其他工业制品等。
优先的，所述的环保溴系阻燃剂为四溴双酚A、溴代三嗪中一种。四溴双酚A优选为山东天一，Z-58，溴含量58％，熔点180℃；溴代三嗪优选山东旭锐，SR-103，溴含量67％，熔点230℃。
优先的，所述的复配阻燃协效剂为三氧化二锑、硅系化合物按重量百分比为7:3～5:5复配。优选复配阻燃协效剂为湖南闪星，三氧化二锑，有效物质含量99.5％；广州青晏，SF-200。
优先的，所述的抗滴落剂为聚四氟乙烯，所述的微发泡剂为白色粉末微发泡剂。优选抗滴落剂为森赛逖康，SN3300B7，有效物质含量99.9％，优选微发泡剂为安徽汇利，W3835，发泡温度150～180℃，发气量150～160mL/g。
优先的，所述的镭雕粉为白雕黑镭雕粉或黑雕白镭雕粉中一种。
优先黑雕白镭雕粉为佛山和琦润，HZ-889A；白雕黑镭雕粉为佛山和琦润，HZ-890。
优先的，所述的抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(1010)或β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯(1076)与三(2,4-二叔丁基苯基)亚磷酸酯(168)按重量百分比为1:2复配，所述的润滑剂为硬脂酸、硬脂酸钙、乙撑双硬脂酸酯、特殊改性乙撑双硬脂酸酯和季戊四醇硬脂酸酯中一种或两种，优选为可赛成功，EBS，熔点140℃左右。
一种微发泡阻燃ABS镭雕材料的制备方法，包括以下步骤：
1)、先将称好的丙烯腈-丁二烯-苯乙烯共聚物树脂、分散剂加入到高速混合机中，混合1～2min，再将称好的复配增韧剂、抗滴落剂、微发泡剂、镭雕粉、抗氧剂和润滑剂加到上述混合均匀的物料中，混合1～2min，然后将称好的环保溴系阻燃剂、复配阻燃协效剂加到上述混合均匀物料中，混合1～2min；
2)、最后将混合均匀的物料加到双螺杆挤出机中，所述的双螺杆挤出机的加工温度为170～200℃，螺杆转速为350～450rpm/min，喂料螺杆转速12～20rpm/min，经双螺杆挤出机熔融挤出后并经水冷、风干、切粒和包装。
本发明相对于现有技术，有以下优点：
本发明的一种微发泡阻燃ABS镭雕材料，采用中等韧性ABS树脂作为ABS基材，四溴双酚A或溴代三嗪作为阻燃剂，三氧化二锑与硅系化合物复配比例为2:1～1:1，乙烯-醋酸乙烯共聚物与氯化聚乙烯复配作为增韧剂，ABS专用镭雕助剂，ABS专用微发泡剂，再加其它助剂，所制备的微发泡阻燃ABS镭雕材料，具有很低的密度、优异的阻燃性、优异的韧性、优异的镭雕性、优异的加工流动性、高光泽、优异的尺寸稳定性、较低的成本、650℃灼热丝不起火、优异的着色性等特点，产品具有较低的密度、优异的阻燃性、优异的韧性、优异的镭雕性、优异的加工流动性、较低的成本等，并且通过650℃灼热丝30秒全程不起火测试；
本发明的一种微发泡阻燃ABS镭雕材料的制备方法，工艺简便，反应温和，适合大批量连续生产。
【具体实施方式】
下面对本发明技术作具体说明：
结合具体实施例1～4说明本发明的具体技术方案：
实施例1：
将称量好的丙烯腈-丁二烯-苯乙烯共聚物树脂(HI-121H)、分散剂加到高速混合机中，混合1～2min，再将称好的乙烯-醋酸乙烯共聚物、抗氧剂(1010/168＝1:2)和润滑剂加到上述混合均匀的物料中，混合1～2min，然后将称好的氯化聚乙烯、四溴双酚A(Z-58)和三氧化二锑加到上述混合均匀的物料中，混合1～2min，最后将混合均匀的物料加到双螺杆挤出机料斗中熔融挤出，双螺杆挤出机各段温度为：1区温度80℃、2区温度190℃、3区温度185℃、4区温度175℃、5区温度170℃、6区温度180℃、7区温度170℃、8区温度180℃、9区温度185℃、模头温度195℃。双螺杆挤出机转速400rpm/min，喂料螺杆转速16rpm/min。对比例1所生产的产品记作A1或A2。
实施例2：
将称量好的丙烯腈-丁二烯-苯乙烯共聚物树脂(HI-121H)、分散剂加到高速混合机中，混合1～2min，再将称好的乙烯-醋酸乙烯共聚物、抗氧剂(1076/168＝1:2)和润滑剂加到上述混合均匀的物料中，混合1～2min，然后将称好的氯化聚乙烯(CPE-2135)、溴代三嗪(SR-103)和三氧化二锑加到上述混合均匀的物料中，混合1～2min，最后将混合均匀的物料加到双螺杆挤出机料斗中熔融挤出，双螺杆挤出机各段温度为：1区温度80℃、2区温度190℃、3区温度185℃、4区温度175℃、5区温度170℃、6区温度180℃、7区温度170℃、8区温度180℃、9区温度185℃、模头温度195℃。双螺杆挤出机转速400rpm/min，喂料螺杆转速16rpm/min。对比例2所生产的产品记作A3或A4。
对比例1：
先按表1将称好的丙烯腈-丁二烯-苯乙烯共聚物树脂(HI-121H)、分散剂加到高速混合机中，混合1～2min，再将称好的乙烯-醋酸乙烯共聚物、抗滴落剂、抗氧剂(1010/168＝1:2)和润滑剂(EBS)加到上述混合均匀的物料中，混合1～2min，然后将称好的氯化聚乙烯(CPE-2135)、四溴双酚A(Z-58)、三氧化二锑、硅系化合物(SF-200)和微发泡剂(W3835)加到上述混合均匀的物料中，混合1～2min，最后将混合均匀的物料加到双螺杆挤出机料斗中熔融挤出，双螺杆挤出机各段温度为：1区温度80℃、2区温度190℃、3区温度185℃、4区温度175℃、5区温度170℃、6区温度180℃、7区温度170℃、8区温度180℃、9区温度185℃、模头温度195℃。双螺杆挤出机转速400rpm/min，喂料螺杆转速16rpm/min。对比例1所生产的产品记作B1-2。
对比例2：
按设计称量好的丙烯腈-丁二烯-苯乙烯共聚物树脂(HI-121H)、分散剂加到高速混合机中，混合1～2min，再将称好的乙烯-醋酸乙烯共聚物(SV1055)、抗滴落剂、黑雕白镭雕粉/白雕黑镭雕粉、抗氧剂(1076/168＝1:2)和润滑剂(EBS)加到上述混合均匀的物料中，混合1～2min，然后将称好的氯化聚乙烯(CPE-2135)、溴代三嗪(SR-103)、三氧化二锑、硅系化合物(SF-200)和微发泡剂(W3835)加到上述混合均匀的物料中，混合1～2min，最后将混合均匀的物料加到双螺杆挤出机料斗中熔融挤出，双螺杆挤出机各段温度为：1区温度80℃、2区温度190℃、3区温度185℃、4区温度175℃、5区温度170℃、6区温度180℃、7区温度170℃、8区温度180℃、9区温度185℃、模头温度195℃。双螺杆挤出机转速400rpm/min，喂料螺杆转速16rpm/min。对比例2所生产的产品记作B3-4。
表1：实施例1～4各组分含量
表2：对比例1～4各组分含量
将实施例1～4所生产的产品进行性能测试，测试结果如下
表3：产品A1～A4的性能测试结果
表4：产品B1～B4的性能测试结果
由上表可知，加四溴双酚A的阻燃ABS材料的缺口冲击强度、热变形温度比加溴代三嗪的差，但其加工流动性要比加溴代三嗪的好很多，加硅系阻燃协效剂、微发泡剂的阻燃ABS材料的密度比没加的明显小很多，能满足轻量化阻燃产品的需求，加镭雕助剂的阻燃ABS材料的镭雕性能比没加镭雕粉的好很多，能满足表面镭雕刻字或图形的阻燃产品的需求。
本发明优选中等韧性ABS树脂作为ABS基材，四溴双酚A或溴代三嗪作为阻燃剂，三氧化二锑与硅系化合物复配比例为2:1～1:1，乙烯-醋酸乙烯共聚物与氯化聚乙烯复配作为增韧剂，ABS专用镭雕助剂，ABS专用微发泡剂，再加其它助剂，所制备的微发泡阻燃ABS镭雕材料具有很低的密度、优异的阻燃性、优异的韧性、优异的镭雕性、优异的加工流动性、高光泽、优异的尺寸稳定性、较低的成本、650℃灼热丝不起火、优异的着色性等，并且加工工艺简单，可用于轻量化的阻燃产品、表面镭雕刻字或图形产品等领域。

Claims (10)

1.一种微发泡阻燃ABS镭雕材料，其特征在于包括以下重量组分：
2.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的丙烯腈-丁二烯-苯乙烯共聚物树脂的熔融指数20～50g/10min。
3.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的分散剂为白矿油、硅油或聚乙烯蜡粉中一种或两种混合。
4.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的复配增韧剂为乙烯-醋酸乙烯共聚物、氯化聚乙烯以重量百分比2:3～5:8复配制得。
5.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的环保溴系阻燃剂为四溴双酚A、溴代三嗪中一种。
6.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的复配阻燃协效剂为三氧化二锑、硅系化合物按重量百分比为7:3～5:5复配。
7.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的抗滴落剂为聚四氟乙烯，所述的微发泡剂为白色粉末微发泡剂。
8.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的镭雕粉为白雕黑镭雕粉或黑雕白镭雕粉中一种。
9.根据权利要求1所述的一种微发泡阻燃ABS镭雕材料，其特征在于：所述的抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(1010)或β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯(1076)与三(2,4-二叔丁基苯基)亚磷酸酯(168)按重量百分比为1:2复配，所述的润滑剂为硬脂酸、硬脂酸钙、乙撑双硬脂酸酯、特殊改性乙撑双硬脂酸酯和季戊四醇硬脂酸酯中一种或两种。
10.一种微发泡阻燃ABS镭雕材料的制备方法，其特征在于包括以下步骤：
1)、先将称好的丙烯腈-丁二烯-苯乙烯共聚物树脂、分散剂加入到高速混合机中，混合1～2min，再将称好的复配增韧剂、抗滴落剂、微发泡剂、镭雕粉、抗氧剂和润滑剂加到上述混合均匀的物料中，混合1～2min，然后将称好的环保溴系阻燃剂、复配阻燃协效剂加到上述混合均匀物料中，混合1～2min；
2)、最后将混合均匀的物料加到双螺杆挤出机中，所述的双螺杆挤出机的加工温度为170～200℃，螺杆转速为350～450rpm/min，喂料螺杆转速12～20rpm/min，经双螺杆挤出机熔融挤出后并经水冷、风干、切粒和包装。
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