CN103881349A - 一种高耐候着色聚碳酸酯-丙烯腈-丁二烯-苯乙烯树脂共混材料及其制备方法 - Google Patents

一种高耐候着色聚碳酸酯-丙烯腈-丁二烯-苯乙烯树脂共混材料及其制备方法 Download PDF

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CN103881349A
CN103881349A CN201310743587.0A CN201310743587A CN103881349A CN 103881349 A CN103881349 A CN 103881349A CN 201310743587 A CN201310743587 A CN 201310743587A CN 103881349 A CN103881349 A CN 103881349A
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acrylonitrile
butadiene
styrene resin
proof
polycarbonate
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王帅
纪效均
蔡莹
张祥福
周文
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Shanghai Pret Composites Co Ltd
Zhejiang Pret New Materials Co Ltd
Chongqing Pret New Materials Co Ltd
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Shanghai Pret Composites Co Ltd
Zhejiang Pret New Materials Co Ltd
Chongqing Pret New Materials Co Ltd
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    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29B9/00—Making granules
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Abstract

本发明公开了一种高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料及其制备方法，按以下重量份计的原料配制而成：聚碳酸酯树脂40-60重量份；丙烯腈-丁二烯-苯乙烯接枝共聚物35-55重量份；丙烯腈-丁二烯-苯乙烯接枝马来酸酐相容剂0-5重量份；光吸收剂0.1-2重量份；抗氧剂0.2-0.7重量份，着色剂0.1-1重量份。采用上述技术方案的一种高耐候着色聚碳酸酯（PC)／丙烯腈-丁二烯-苯乙烯树脂（ABS）共混材料，PC/ABS材料在制备成不同颜色时，在使用优化耐候助剂组合的条件下，实验得到通过调整色粉配比例来大幅度提高材料耐候性能的数据，可用于汽车内外饰件，家电等。

Description

一种高耐候着色聚碳酸酯-丙烯腈-丁二烯-苯乙烯树脂共混材料及其制备方法
技术领域
本发明涉及一种高耐候着色聚碳酸酯-丙烯腈-丁二烯-苯乙烯树脂共混材料，被直接着色为最终需求的产品颜色，具有优异的耐候性，针对不同颜色可以使用不同的色粉配比来改善材料整体耐候性能。 
背景技术
PC-ABS合金材料兼具PC和ABS的优良性能，一方面它的耐热性，抗冲击性能优于ABS材料，另一方面它的熔体粘度比PC低，加工性能比PC材料好。PC-ABS材料广泛地应用在各个领域，如各种汽车内外部件、家电、办公产品等。然而，由于ABS结构中存在不饱和双键，使PC-ABS合金制品耐候性能较差，无法满足汽车内饰的对PC-ABS合金材料的要求，因此需要对PC-ABS材料进行耐候改性。 
目前，大家都在努力提高PC-ABS合金材料的耐候性能，主要研究高效耐候助剂的配方组合，而忽略了产品往往被着色成各种各样的颜色，所以我们在研发出高效耐候助剂配方的同时，需要将颜色一并考虑，研究相同耐候助剂对不同颜色的耐候作用，进一步研发出针对不同颜色的高效耐候的色粉和助剂的组合配方。 
发明内容
本发明的目的是提供一种高耐候着色聚碳酸酯(PC)/丙烯腈-丁二烯-苯乙烯树脂(ABS)共混材料，PC-ABS材料在制备成不同颜色时，在使用优化耐候助剂组合的条件下，实验得到通过调整色粉配比例来大幅度提高材料耐候性能的数据。 
为实现上述发明目的，本发明通过以下技术方案来实现： 
一种高耐候着色聚碳酸酯-丙烯腈-丁二烯-苯乙烯树脂共混材料，按以下重量份计的原料配制而成：聚碳酸酯树脂40-60重量份；丙烯腈-丁二烯-苯乙烯接枝共聚物35-55重量份；丙烯腈-丁二烯-苯乙烯接枝马来酸酐相容剂0-5重量份；光吸收剂0.1-2重量份；抗氧剂0.2-0.7重量份，着色剂0.1-1重量份。 
所述聚碳酸酯为分子量24000-27000的双酚A型树脂。 
所述丙烯腈-丁二烯-苯乙烯接枝共聚物为连续本体法合成的树脂。 
所述的光吸收剂为苯并***类中的一种和邻羟基二苯甲酮类光吸收剂中的混合。 
所述的抗氧剂为受阻酚类和磷酸酯类抗氧剂中的一种或几种混合。 
所述的着色剂为有机色粉和无机色粉的混合。 
上述高耐候着色聚碳酸酯-丙烯腈-丁二烯-苯乙烯树脂共混材料的制备方法，其步骤为： 
1)按上述配比称量原料； 
2)把经过干燥的原料混合后用双螺杆加料器连续均匀加入螺杆直径35mm，长径比L-D＝36的双螺杆挤出机主机筒中，主机筒分段控制温度，从加料口至机头出口依次为180℃、210℃、240℃、250℃、250℃、255℃、245℃，双螺杆转速为300转/分钟，挤出料条经过水槽冷却后切粒得到产品。 
采用上述技术方案的一种高耐候着色聚碳酸酯(PC)/丙烯腈-丁二烯-苯乙烯树脂(ABS)共混材料，PC-ABS材料在制备成不同颜色时，在使用优化耐候助剂组合的条件下，实验得到通过调整色粉配比例来大幅度提高材料耐候性能的数据，可用于汽车内外饰件，家电等。 
具体实施方式
下面通过具体实施例对本发明作进一步的说明，但所述实施例仅用于说明本发明而不是限制本发明。 
本发明所用原料： 
PC：分子量24000-27000的双酚A型树脂。 
ABS：连续本体法合成树脂，中石化上海高桥分公司。 
ABS-g-MAH：马来酸酐接枝的丙烯腈-丁二烯-苯乙烯共聚物，自制； 
抗氧剂1010：受阻酚类抗氧剂，DOUBLE BOND CHEMICAL IND.有限公司生产； 
抗氧剂168：磷酸酯类抗氧剂，瑞士Ciba公司生产； 
UV-326：苯并***类光吸收剂，瑞士Ciba公司生产； 
UV-531：邻羟基二苯甲酮类光吸收剂，天津利安隆公司生产； 
色粉1：钛白粉R101； 
色粉2：颜料黄138，有机色粉； 
色粉3：铁黄，362R； 
色粉4：氧化铁红，5520； 
色粉5：炭黑，BP800； 
色粉6：颜料黄151，有机色粉； 
色粉7：254号红，有机色粉； 
色粉8：透明绿5B，有机色粉。 
产品性能测试方法： 
氙灯加速老化：按PV1303方法，5个周期，测量色差ΔE值。 
实施例1-4 
把经过干燥的PC树脂、ABS、ABS-g-MAH树脂、助剂和色粉按表1中组成比例混合后用双螺杆加料器连续均匀加入双螺杆挤出机(螺杆直径35mm，长径比L-D＝36)主机筒中，主机筒分段控制温度(从加料口至机头出口)为180℃、210℃、240℃、250℃、250℃、255℃、245℃，双螺杆转速为300转/分钟，挤出料条经过水槽冷却后切粒得到产品。将上述产品在鼓风烘箱中于85℃干燥4小时后用塑料注射成型机注塑成标准样条，注塑温度250℃。注塑好的样条立即放入玻璃干燥器中在室温放置至少24小时后进行性能测试。测试结果见表1。 
表1PC-ABS组合物的组成和性能 
组成 实施例1 实施例2 实施例3 实施例4
PC 45 45 45 45
ABS 47.315 47.342 47.369 47.423
ABS-g-MAH 5 5 5 5
抗氧剂1010 0.15 0.15 0.15 0.15
抗氧剂168 0.3 0.3 0.3 0.3
UV-770 1 1 1 1
UV-5411 0.2 0.2 0.2 0.2
色粉1 0.9 0.9 0.9 0.9
色粉2   0.003 0.006 0.012
色粉3 0.12 0.09 0.06  
色粉4 0.01 0.01 0.01 0.01
色粉5 0.005 0.005 0.005 0.005
性能        
氙灯老化性能△E 4.4 2.3 1.7 4.4
目测颜色 米色 米色 米色 米色1
有机色粉2和无机色粉3都为黄色色粉，为色粉配方中可互相替换的同色相色粉。从表1的测试结果可看出，在色粉中添加有机色粉，而不改变耐候助剂，可以改善材料的耐候性能。随着有机色粉添加比例的增加，耐候性能明显提高，当有机色粉替代同色相的无机色粉的比例达到100％时，耐候性能与全使用无机色粉效果基本相同，但此时材料的整体颜色已经不是原来的米色，而变成了米色1，所以为了保证颜色色相准确，只能使用有机色粉部分替代同色相的无机色粉。 
实施例5-8 
采用同实施例1-4的加工工艺，制备目测颜色不同的PC-ABS材料， 
选用同前述实验相同的优化的抗老化剂配方，按表2的组成比例制备 
了PC-ABS树脂组合物，性能测试如表2所示。 
表2PC-ABS组合物的组成和性能 
组成 实施例5 实施例6 比较例7 实施例8
PC 45 45 45 45
ABS 47.661 47.854 47.625 47.725
ABS-g-MAH 5 5 5 5
抗氧剂1010 0.15 0.15 0.15 0.15
抗氧剂168 0.3 0.3 0.3 0.3
UV-326 1 1 1 1
UV-531 0.2 0.2 0.2 0.2
色粉1 0.600 0.05 0.600 0.1
色粉2 0.004 0.025    
色粉3 0.025 0.145 0.065 0.29
色粉4 0.020 0.013 0.020 0.025
色粉5 0.040 0.11 0.040 0.21
色粉6   0.03    
色粉7   0.073    
色粉8   0.05    
性能        
氙灯老化性能△E 1.9 1.3 4.1 3.4
目测颜色 灰色 黑色 灰色 黑色
从上述实施例的测试结果可看出，不同的颜色，在不改变材料颜色的条件下，使用相同的耐候助剂，有机色粉部分替代同色相的无机 色粉可以有效地改善材料的耐候性能。 
一种高耐候着色聚碳酸酯(PC)/丙烯腈-丁二烯-苯乙烯树脂(ABS)共混材料，PC-ABS材料在制备成不同颜色时，在使用优化耐候助剂组合的条件下，实验得到通过调整色粉配比例来大幅度提高材料耐候性能的数据，可用于汽车内外饰件，家电等。 

Claims (7)

1.一种高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料，其特征在于：按以下重量份计的原料配制而成：聚碳酸酯树脂40-60重量份；丙烯腈-丁二烯-苯乙烯接枝共聚物35-55重量份；丙烯腈-丁二烯-苯乙烯接枝马来酸酐相容剂0-5重量份；光吸收剂0.1-2重量份；抗氧剂0.2-0.7重量份，着色剂0.1-1重量份。
2.根据权利要求1所述的一种高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料，其特征在于：所述聚碳酸酯为分子量24000-27000的双酚A型树脂。
3.根据权利要求1所述的一种高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料，其特征在于：所述丙烯腈-丁二烯-苯乙烯接枝共聚物为连续本体法合成的树脂。
4.根据权利要求1所述的一种高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料，其特征在于：所述的光吸收剂为苯并***类和邻羟基二苯甲酮类光吸收剂中的一种。
5.根据权利要求1所述的一种高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料，其特征在于：所述的抗氧剂为受阻酚类和磷酸酯类抗氧剂的混合。
6.根据权利要求1所述的一种高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料，其特征在于：所述的着色剂为所述的着色剂为有机色粉和无机色粉的混合。
7.权利要求1所述高耐候着色聚碳酸酯/丙烯腈-丁二烯-苯乙烯树脂共混材料的制备方法，其特征在于：包括以下步骤：
1）按配比称量原料；
2）把经过干燥的原料混合后用双螺杆加料器连续均匀加入螺杆直径35mm，长径比L/D＝36的双螺杆挤出机主机筒中，主机筒分段控制温度，从加料口至机头出口依次为180℃、210℃、240℃、250℃、250℃、255℃、245℃，双螺杆转速为300转／分钟，挤出料条经过水槽冷却后切粒得到产品。
CN201310743587.0A 2013-12-28 2013-12-28 一种高耐候着色聚碳酸酯-丙烯腈-丁二烯-苯乙烯树脂共混材料及其制备方法 Pending CN103881349A (zh)

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