CN104672829A - Pc用多功能填充母粒 - Google Patents
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Abstract
本发明公开了一种PC用多功能填充母粒,其组分按质量百分数配比为:PC树脂15%~30%、纳米碳酸钙20%~40%、磺酸盐阻燃剂2%~5%、抗静电剂10%~20%、光稳定剂15%~30%、抗氧剂2%~5%、偶联剂1%~3%、分散剂2%~4%。本发明的有益效果是,与现有技术相比,本发明制得的PC用多功能填充母粒应用于PC生产时,可以同时起到阻燃、增强、抗静电、耐老化等多功能改性作用,而且改性效果好,具有无卤阻燃安全、环保,同时加工适应性强,综合力学性能好,成本低,经济效益显著。
Description
技术领域
本发明涉及一种母粒,具体地说是一种PC用多功能填充母粒。
背景技术
聚碳酸酯(PC)作为综合性能优异、用途极为广泛的重要工程塑料品种,广泛用于汽车、电子电气、建筑材料、机械零件、办公自动化设备、包装业、运动器械、医疗、保健、光盘和家庭用品等领域。但是PC的耐疲劳强度较低、对缺口敏感,易产生应力开裂,耐溶剂性差,容易产生静电,阻燃性能不高(氧指数为21%~24%),和其它高分子材料一样也存在易老化现象。因此,对PC改性以达到改善其性能和降低成本是非常必要的。通常,对PC改性采用直接添加各类助剂,如阻燃剂、抗静电剂、光稳定剂、氧化剂、增强剂等,虽然可以起到一定的改性效果,但这些助剂大多为粉体,而且有些添加量很少,直接添加势必造成粉尘污染严重,而且工艺繁多、不易操作,也不利于均匀分散等,有些甚至因为现场环境、人员操作等条件导致产品质量下降和达不到使用要求等。
发明内容
鉴于现有技术的不足,本发明提供一种浓度高、分散性好、性能稳定和兼有阻燃、增强、抗静电、耐老化等多功能改性的PC用多功能填充母粒。
本发明解决其技术问题所采用的技术方案是:PC用多功能填充母粒,其组分按质量百分数配比为:PC树脂15%~30%、纳米碳酸钙20%~40%、磺酸盐阻燃剂2%~5%、抗静电剂10%~20%、光稳定剂15%~30%、抗氧剂2%~5%、偶联剂1%~3%、分散剂2%~4%。
所述的PC树脂为双酚A型芳香族聚碳酸酯。
所述的磺酸盐阻燃剂为全氟丁基磺酸钾(PPFBS)。
所述的抗静电剂为磺酸盐类阴离子表面活性剂与非离子表面活性剂相复配的抗静电剂HKD-912。
所述的光稳定剂为质量比1:1的受阻胺光稳定剂HS-944和HS-622的复配物。
所述的抗氧剂为受阻酚类抗氧剂1076和亚磷酸酯类抗氧剂168中的一种或两者混合物。
所述的偶联剂为钛酸酯偶联剂或铝钛复合偶联剂。
所述的分散剂为EVA蜡、PETS、TAS-2A中的一种。
上述的PC用多功能填充母粒的制备方法,包括以下步骤:
(1)、将PC树脂在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,纳米碳酸钙在80℃~120℃下干燥30~45分钟,待用;
(2)、按重量配比称取干燥的纳米碳酸钙和偶联剂,加入筒料温度在100℃~120℃的高速混合机中,在转速在1500~3000转/分钟下高速搅拌10~60分钟,得到表面改性纳米碳酸钙,然后冷却至低于40℃出料,待用;
(3)、按重量配比称取干燥的PC树脂加入高速混合机中,同时加入步骤(2)得到的表面改性纳米碳酸钙,搅拌3~5分钟,然后加入按重量配比称取其它各组分,混合5~30分钟,使充分混合均匀后出料;
(4)、将步骤(3)的混合料加入双螺杆挤出机中,在260℃~290℃下经熔融混炼挤出、冷却造粒,并干燥后包装,即得本发明的PC用多功能填充母粒。
本发明的有益效果是,与现有技术相比,本发明制得的PC用多功能填充母粒应用于PC生产时,可以同时起到阻燃、增强、抗静电、耐老化等多功能改性作用,而且改性效果好,具有无卤阻燃安全、环保,同时加工适应性强,综合力学性能好,成本低,经济效益显著。
具体实施方式
下面结合具体实施例来进一步说明本发明的技术方案。
实施例1:
一种PC用多功能填充母粒,其组分按质量百分数配比为:PC树脂25%、纳米碳酸钙30%、全氟丁基磺酸钾(PPFBS)2%、磺酸盐类阴离子表面活性剂与非离子表面活性剂相复配的抗静电剂HKD-912 15%、质量比1:1的受阻胺光稳定剂HS-944和HS-622的复配物20%、受阻酚类抗氧剂1076 3%、钛酸酯偶联剂2%、EVA蜡3%。其中,所述的PC树脂为双酚A型芳香族聚碳酸酯。
制备方法:(1)、将PC树脂在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,纳米碳酸钙在80℃~120℃下干燥30~45分钟,待用;(2)、按重量配比称取干燥的纳米碳酸钙和钛酸酯偶联剂,加入筒料温度在100℃~120℃的高速混合机中,在转速在1500~3000转/分钟下高速搅拌10~60分钟,得到表面改性纳米碳酸钙,然后冷却至低于40℃出料,待用;(3)、按重量配比称取干燥的PC树脂加入高速混合机中,同时加入步骤(2)得到的表面改性纳米碳酸钙,搅拌3~5分钟,然后加入按重量配比称取其它各组分,混合5~30分钟,使充分混合均匀后出料;(4)、将步骤(3)的混合料加入双螺杆挤出机中,在260℃~290℃下经熔融混炼挤出、冷却造粒,并干燥后包装,即得本发明的PC用多功能填充母粒。
实施例2:
一种PC用多功能填充母粒,其组分按质量百分数配比为:PC树脂20%、纳米碳酸钙40%、全氟丁基磺酸钾(PPFBS)5%、磺酸盐类阴离子表面活性剂与非离子表面活性剂相复配的抗静电剂HKD-912 10%、质量比1:1的受阻胺光稳定剂HS-944和HS-622的复配物15%、受阻酚类抗氧剂1076和亚磷酸酯类抗氧剂168质量比1:2的混合物4%、铝钛复合偶联剂3%、TAS-2A 3%。其中,所述的PC树脂为双酚A型芳香族聚碳酸酯。
制备方法:(1)、将PC树脂在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,纳米碳酸钙在80℃~120℃下干燥30~45分钟,待用;(2)、按重量配比称取干燥的纳米碳酸钙和铝钛复合偶联剂,加入筒料温度在100℃~120℃的高速混合机中,在转速在1500~3000转/分钟下高速搅拌10~60分钟,得到表面改性纳米碳酸钙,然后冷却至低于40℃出料,待用;(3)、按重量配比称取干燥的PC树脂加入高速混合机中,同时加入步骤(2)得到的表面改性纳米碳酸钙,搅拌3~5分钟,然后加入按重量配比称取其它各组分,混合5~30分钟,使充分混合均匀后出料;(4)、将步骤(3)的混合料加入双螺杆挤出机中,在260℃~290℃下经熔融混炼挤出、冷却造粒,并干燥后包装,即得本发明的PC用多功能填充母粒。
Claims (8)
1.一种PC用多功能填充母粒,其特征在于,其组分按质量百分数配比为:PC树脂15%~30%、纳米碳酸钙20%~40%、磺酸盐阻燃剂2%~5%、抗静电剂10%~20%、光稳定剂15%~30%、抗氧剂2%~5%、偶联剂1%~3%、分散剂2%~4%。
2.根据权利要求1所述的PC用多功能填充母粒,其特征在于,所述的磺酸盐阻燃剂为全氟丁基磺酸钾(PPFBS)。
3.根据权利要求1所述的PC用多功能填充母粒,其特征在于,所述的抗静电剂为磺酸盐类阴离子表面活性剂与非离子表面活性剂相复配的抗静电剂HKD-912。
4.根据权利要求1所述的PC用多功能填充母粒,其特征在于,所述的光稳定剂为质量比1:1的受阻胺光稳定剂HS-944和HS-622的复配物。
5.根据权利要求1所述的PC用多功能填充母粒,其特征在于,所述的抗氧剂为受阻酚类抗氧剂1076和亚磷酸酯类抗氧剂168中的一种或两者混合物。
6.根据权利要求1所述的PC用多功能填充母粒,其特征在于,所述的偶联剂为钛酸酯偶联剂或铝钛复合偶联剂。
7.根据权利要求1所述的PC用多功能填充母粒,其特征在于,所述的分散剂为EVA蜡、PETS、TAS-2A中的一种。
8.根据权利要求1所述的PC用多功能填充母粒的制备方法,其特征在于,包括以下步骤:
(1)、将PC树脂在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,纳米碳酸钙在80℃~120℃下干燥30~45分钟,待用;
(2)、按重量配比称取干燥的纳米碳酸钙和偶联剂,加入筒料温度在100℃~120℃的高速混合机中,在转速在1500~3000转/分钟下高速搅拌10~60分钟,得到表面改性纳米碳酸钙,然后冷却至低于40℃出料,待用;
(3)、按重量配比称取干燥的PC树脂加入高速混合机中,同时加入步骤(2)得到的表面改性纳米碳酸钙,搅拌3~5分钟,然后加入按重量配比称取其它各组分,混合5~30分钟,使充分混合均匀后出料;
(4)、将步骤(3)的混合料加入双螺杆挤出机中,在260℃~290℃下经熔融混炼挤出、冷却造粒,并干燥后包装,即得本发明的PC用多功能填充母粒。
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CN109774001A (zh) * | 2018-11-27 | 2019-05-21 | 江西势通钙业有限公司 | 一种高温水合设备及一种透明薄膜专用高填充量纳米碳酸钙母粒的制备方法 |
CN112876760A (zh) * | 2021-01-15 | 2021-06-01 | 宿迁联盛科技股份有限公司 | 一种具有延长光老化性能的光稳定剂控制释放型高分子复合材料 |
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Cited By (2)
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CN109774001A (zh) * | 2018-11-27 | 2019-05-21 | 江西势通钙业有限公司 | 一种高温水合设备及一种透明薄膜专用高填充量纳米碳酸钙母粒的制备方法 |
CN112876760A (zh) * | 2021-01-15 | 2021-06-01 | 宿迁联盛科技股份有限公司 | 一种具有延长光老化性能的光稳定剂控制释放型高分子复合材料 |
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