CN104292829A - 一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料 - Google Patents

一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料 Download PDF

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CN104292829A
CN104292829A CN201410605130.8A CN201410605130A CN104292829A CN 104292829 A CN104292829 A CN 104292829A CN 201410605130 A CN201410605130 A CN 201410605130A CN 104292829 A CN104292829 A CN 104292829A
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polyamide resin
alloy material
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ethylene
resin alloy
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孙伟
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SHANGHAI ZICHEN INDUSTRIAL Co Ltd
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Abstract

本发明属于高分子合金领域，具体地说是一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料，按照重量份数计算，由下列组分组成：聚酰胺树脂20-80份、弹性体1-8份、玻璃纤维8-22份、聚烯烃1-8份、接枝体5-30份、纳米母粒2-8份、主抗氧剂0.2-0.5份、辅助抗氧剂0.1-0.5份；本发明通过配合使用聚酰胺树脂、弹性体、玻璃纤维、聚烯烃、接枝体、纳米母粒、主抗氧剂、辅助抗氧剂，同时合理优化上述各组分的用量比例，在保持聚酰胺树脂材料的机械性能、耐热性能等优异性质的基础上，对其流动性、耐溶剂性以及在耐断裂性也进行了改善，使其能够很好的满足咖啡机内衬壳体的注塑、后续加工处理以及使用要求。

Description

一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料
技术领域
本发明属于高分子合金领域，具体地说是一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料。 
背景技术
聚酰胺树脂具有很多优异的性能，比如机械性能、耐热性能、尺寸稳定性、自阻燃性能等等，其合金被广泛用于电子电器、汽车零部件、电动器具等领域。近年来，聚酰胺合金材料越来越多的用于电动器具领域，但是由于其脆性以及流动性上的缺陷，特别是在高速运作条件下，由于受外力摩擦、溶剂等影响，容易产生应力开裂，使得聚酰胺材料在很多运用受到了很大的限制。 
发明内容
本发明的目的就是要解决上述的不足而提供一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料，不仅能够保持聚酰胺树脂材料的机械性能、耐热性能，而且对其流动性、耐溶剂性以及在耐断裂性也进行了改善。 
为实现上述目的设计一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料，按照重量份数计算，由下列组分组成： 
所述聚酰胺树脂是2,6-二甲基苯酚的聚合物和2,6-二甲基苯酚和2,3,6-三甲基苯酚的共聚物，其特性粘度为0.2-0.6dl/g。 
所述弹性体是聚丁二烯、氯丁橡胶、异戊橡胶、反式聚异戊二烯、丁苯橡胶、氢化丁苯橡胶、氢化丁晴橡胶、乙丙橡胶、乙烯共聚物中的一种或者几种的混合物。 
所述玻璃纤维为聚酰胺树脂专用无碱玻璃纤维。 
所述聚烯烃是聚乙烯、聚丙烯、聚1-丁烯、聚4-甲基-1-戊烯、乙烯-丙烯共聚物、乙烯-丁烯共聚物中的一种或者几种的混合物。 
所述接枝体是以聚酰胺树脂、乙烯-丁烯共聚物中的一种或两种以上的混合物为基材，其接枝物为顺丁烯二酸酐、苯甲酸酐、邻苯二甲酸酐、乙酸酐、丙酸酐、柠檬酸中的一种或者两种以上的混合物。 
所述纳米母料按照重量百分比计算，由下列组分组成： 
其中，所述手性有机无机杂化介孔材料是以C-Si键为主链、具有介孔结构材料；所述润滑剂为石蜡类、脂肪酸及其酯类、脂肪酸酰胺、有机硅化合物中的至少一种；所述环氧树脂为双酚A型环氧树脂、酚醛型环氧树脂中的至少一 种；所述无机填充物为介孔二氧化硅、介孔二氧化钛、纳米蒙脱土、超细滑石粉中的至少一种。 
所述纳米母粒是以聚酰胺树脂、尼龙树脂、乙烯-丁烯共聚物中的至少一种为基材；载入以C-Si键为主链、具有介孔结构的手性有机无机杂化介孔材料，同时载入润滑剂、环氧树脂以及无机填充物；利用双螺杆，温度控制在200～280℃条件下熔融挤出，双螺杆转速为260～300RPM，真空度为0.5～0.8MPa。 
所述主抗氧剂为3,5-二叔丁基-4-羟基苯基丙酸十八醇酯、β-(3,5-二叔丁基-4-羟基苯基)丙酸十八醇酯中的一种或者两种的混合物。 
所述辅助抗氧剂为双(2,4-二叔丁基)季戊四醇二亚磷酸酯、三(2,4-二叔丁基苯基)亚磷酸酯中的一种或者两种的混合物。 
本发明同现有技术相比，通过配合使用聚酰胺树脂、弹性体、玻璃纤维、聚烯烃、接枝体、纳米母粒、主抗氧剂、辅助抗氧剂，同时合理优化上述各组分的用量比例，在保持聚酰胺树脂材料的机械性能、耐热性能等优异性质的基础上，对其流动性、耐溶剂性以及在耐断裂性也进行了改善，使其能够很好的满足咖啡机内衬壳体的注塑、后续加工处理以及使用要求。 
具体实施方式
下面结合具体实施例对本发明作以下进一步说明： 
对比例1 
35聚酰胺树脂(PA66)从第一失重式加料器口加入，25.7份尼龙树脂从第二失重加料器口加入，8份弹性体、1份聚烯烃、0.2份主抗氧剂和0.1份辅抗氧剂经过高混后从第三失重加料器口加入，30份玻璃纤维从侧向喂料口加入，然后经过双螺杆挤出机塑化、熔融、挤出、拉条、冷却、切粒。粒料在鼓风机干 燥烘箱110℃干燥2h，然后注塑成型制备测试样条或制品。 
实施例1 
20份聚酰胺树脂(PA66)和5份接枝体从第一失重式加料器口加入，8份弹性体、1份聚烯烃、3份纳米母料、0.2份主抗氧剂和0.1份辅抗氧剂经过高混后从第二失重加料器口加入，22份玻璃纤维从侧向喂料口加入，然后经过双螺杆挤出机塑化、熔融、挤出、拉条、冷却、切粒。粒料在鼓风机干燥烘箱110℃干燥2h，然后注塑成型制备测试样条或制品。 
实施例2 
50份聚酰胺树脂(PA66)和6份接枝体从第一失重式加料器口加入，8份弹性体、1份聚烯烃、2份纳米母料、0.2份主抗氧剂和0.1份辅抗氧剂经过高混后从第二失重加料器口加入，16份玻璃纤维从侧向喂料口加入，然后经过双螺杆挤出机塑化、熔融、挤出、拉条、冷却、切粒。粒料在鼓风机干燥烘箱110℃干燥2h，然后注塑成型制备测试样条或制品。 
实施例3 
80份聚酰胺树脂(PA66)和8份接枝体从第一失重式加料器口加入，5份弹性体、8份聚烯烃、8份纳米母料、0.5份主抗氧剂和0.3份辅抗氧剂经过高混后从第二失重加料器口加入，12份玻璃纤维从侧向喂料口加入，然后经过双螺杆挤出机塑化、熔融、挤出、拉条、冷却、切粒。粒料在鼓风机干燥烘箱110℃干燥2h，然后注塑成型制备测试样条或制品。 
实施例4 
65份聚酰胺树脂(PA66)和30份接枝体从第一失重式加料器口加入，1份弹性体、5份聚烯烃、6份纳米母料、0.3份主抗氧剂和0.5份辅抗氧剂经过高混后从第二失重加料器口加入，8份玻璃纤维从侧向喂料口加入，然后经过双螺杆 挤出机塑化、熔融、挤出、拉条、冷却、切粒。粒料在鼓风机干燥烘箱110℃干燥2h，然后注塑成型制备测试样条或制品。 
本发明中，聚酰胺树脂是2,6-二甲基苯酚的聚合物和2,6-二甲基苯酚和2,3,6-三甲基苯酚的共聚物，其特性粘度为0.2-0.6dl/g。弹性体是聚丁二烯、氯丁橡胶、异戊橡胶、反式聚异戊二烯、丁苯橡胶、氢化丁苯橡胶、氢化丁晴橡胶、乙丙橡胶、乙烯共聚物中的一种或者几种的混合物。玻璃纤维为聚酰胺树脂专用无碱玻璃纤维。聚烯烃是聚乙烯、聚丙烯、聚1-丁烯、聚4-甲基-1-戊烯、乙烯-丙烯共聚物、乙烯-丁烯共聚物中的一种或者几种的混合物。接枝体是以聚酰胺树脂、乙烯-丁烯共聚物中的一种或两种以上的混合物为基材，其接枝物为顺丁烯二酸酐、苯甲酸酐、邻苯二甲酸酐、乙酸酐、丙酸酐、柠檬酸中的一种或者两种以上的混合物。主抗氧剂为3,5-二叔丁基-4-羟基苯基丙酸十八醇酯、β-(3,5-二叔丁基-4-羟基苯基)丙酸十八醇酯中的一种或者两种的混合物。辅助抗氧剂为双(2,4-二叔丁基)季戊四醇二亚磷酸酯、三(2,4-二叔丁基苯基)亚磷酸酯中的一种或者两种的混合物。 
本发明中，纳米母料按照重量百分比计算，由下列组分组成：(1)聚酰胺树脂、尼龙树脂、乙烯-丁烯共聚物中的至少一种45％，手性有机无机杂化介孔材料18％，润滑剂12％，环氧树脂15％，无机填充物10％；(2)聚酰胺树脂、尼龙树脂、乙烯-丁烯共聚物中的至少一种60％，手性有机无机杂化介孔材料15％，润滑剂5％，环氧树脂12％，无机填充物8％；(3)聚酰胺树脂、尼龙树脂、乙烯-丁烯共聚物中的至少一种60％，手性有机无机杂化介孔材料3％，润滑剂12％，环氧树脂15％，无机填充物10％；(4)聚酰胺树脂、尼龙树脂、乙烯-丁烯共聚物中的至少一种60％，手性有机无机杂化介孔材料18％，润滑剂12％，环氧树脂1％，无机填充物9％；(5)聚酰胺树脂、尼龙树脂、乙烯-丁烯共聚物中的至少一种 54％，手性有机无机杂化介孔材料18％，润滑剂10％，环氧树脂15％，无机填充物3％。 
其中，手性有机无机杂化介孔材料是以C-Si键为主链、具有介孔结构材料；润滑剂为石蜡类、脂肪酸及其酯类、脂肪酸酰胺、有机硅化合物中的至少一种；环氧树脂为双酚A型环氧树脂、酚醛型环氧树脂中的至少一种；无机填充物为介孔二氧化硅、介孔二氧化钛、纳米蒙脱土、超细滑石粉中的至少一种。 
该纳米母粒是以聚酰胺树脂、乙烯-丁烯共聚物中的至少一种为基材；载入以C-Si键为主链、具有介孔结构的手性有机无机杂化介孔材料，石蜡类、脂肪酸及其酯类、脂肪酸酰胺、有机硅化合物中的至少一种，双酚A型环氧树脂、酚醛型环氧树脂中的至少一种，同时载入无机填充物，如介孔二氧化硅、介孔二氧化钛、纳米蒙脱土、超细滑石粉中的至少一种共同形成；其制备工艺如下：利用双螺杆，温度控制在200～280℃条件下熔融挤出，双螺杆转速为260～300RPM，真空度为0.5～0.8MPa。 
如下表1所示，为对比例1、实施例1～4的原料重量份数配比： 
组分 对比例1 实施例1 实施例2 实施例3 实施例4
聚酰胺树脂 35 20 50 80 65
接枝体 0 5 6 8 30
玻璃纤维 30 22 16 12 8
弹性体 8 8 8 5 1
聚烯烃 1 1 1 8 5
纳米母粒 0 3 2 8 6
主抗氧剂 0.2 0.2 0.2 0.5 0.3
辅助抗氧剂 0.1 0.1 0.1 0.3 0.5
表1 
如下表2所示，为对比例1、实施例1～4中组合物性能测试结果： 
表2 
本发明通过以下方法测试和评价实施例与对比例中组合物的性能： 
(1)拉伸强度 
所述的拉伸强度按ASTM D-638测试。 
(2)弯曲强度 
所述的弯曲强度按ASTM D-790测试。 
(3)弯曲模量 
所述的弯曲强度按ASTM D-790测试。 
(4)Izod缺口冲击 
所述的Izod缺口冲击按ASTM D-256测试。 
(5)热变形温度 
所述的热变形温度击按ASTM D-648测试。 
(6)流动性 
对一定厚度的阿基米德螺旋线型腔板进行所生产聚酰胺树脂(PA66)合金材料的注塑试验。注塑壁厚为2mm，宽度为5mm，注塑温度为240～260℃，注塑压力为90～110MPa，冷却时间为10s，保压压力为60～90MPa，保压时间为5～10s。 
本发明中各原料的生产厂家为： 
。

Claims (10)

1.一种用于加工咖啡机内衬壳体的聚酰胺树脂合金材料，其特征在于，按照重量份数计算，由下列组分组成：
2.如权利要求1所述的聚酰胺树脂合金材料，其特征在于：所述聚酰胺树脂是2,6-二甲基苯酚的聚合物和2,6-二甲基苯酚和2,3,6-三甲基苯酚的共聚物，其特性粘度为0.2-0.6dl/g。
3.如权利要求1所述的聚酰胺树脂合金材料，其特征在于：所述弹性体是聚丁二烯、氯丁橡胶、异戊橡胶、反式聚异戊二烯、丁苯橡胶、氢化丁苯橡胶、氢化丁晴橡胶、乙丙橡胶、乙烯共聚物中的一种或者几种的混合物。
4.如权利要求1所述的聚酰胺树脂合金材料，其特征在于：所述玻璃纤维为聚酰胺树脂专用无碱玻璃纤维。
5.如权利要求1所述的聚酰胺树脂合金材料，其特征在于：所述聚烯烃是聚乙烯、聚丙烯、聚1-丁烯、聚4-甲基-1-戊烯、乙烯-丙烯共聚物、乙烯-丁烯共聚物中的一种或者几种的混合物。
6.如权利要求1所述的聚酰胺树脂合金材料，其特征在于：所述接枝体是以聚酰胺树脂、乙烯-丁烯共聚物中的一种或两种以上的混合物为基材，其接枝物为顺丁烯二酸酐、苯甲酸酐、邻苯二甲酸酐、乙酸酐、丙酸酐、柠檬酸中的一种或者两种以上的混合物。
7.如权利要求1所述的聚酰胺树脂合金材料，其特征在于，所述纳米母料按照重量百分比计算，由下列组分组成：
其中，所述手性有机无机杂化介孔材料是以C-Si键为主链、具有介孔结构材料；所述润滑剂为石蜡类、脂肪酸及其酯类、脂肪酸酰胺、有机硅化合物中的至少一种；所述环氧树脂为双酚A型环氧树脂、酚醛型环氧树脂中的至少一种；所述无机填充物为介孔二氧化硅、介孔二氧化钛、纳米蒙脱土、超细滑石粉中的至少一种。
8.如权利要求7所述的聚酰胺树脂合金材料，其特征在于：所述纳米母粒是以聚酰胺树脂、尼龙树脂、乙烯-丁烯共聚物中的至少一种为基材；载入以C-Si键为主链、具有介孔结构的手性有机无机杂化介孔材料，同时载入润滑剂、环氧树脂以及无机填充物；利用双螺杆，温度控制在200～280℃条件下熔融挤出，双螺杆转速为260～300RPM，真空度为0.5～0.8MPa。
9.如权利要求1所述的聚酰胺树脂合金材料，其特征在于：所述主抗氧剂为3,5-二叔丁基-4-羟基苯基丙酸十八醇酯、β-(3,5-二叔丁基-4-羟基苯基)丙酸十八醇酯中的一种或者两种的混合物。
10.如权利要求1所述的聚酰胺树脂合金材料，其特征在于：所述辅助抗氧剂为双(2,4-二叔丁基)季戊四醇二亚磷酸酯、三(2,4-二叔丁基苯基)亚磷酸酯中的一种或者两种的混合物。
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