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一种用于LED灯座的PBT导热、耐热材料及其制备方法
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一种用于LED灯座的PBT导热、耐热材料,其特征在于:所述材料由树脂基体、增强体系、导热体系、润滑体系、抗氧体系组成;树脂基体为聚对苯二甲酸丁二醇酯(PBT);增强体系为玻璃纤维;润滑体系为TAF润滑剂、硬脂酸钙;抗氧体系为抗氧剂1010;还含有乙烯#丙烯酸甲酯#甲基丙烯酸缩水甘...
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2022-05-18
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PBT为结晶型热塑性聚酯。具有高耐热性、韧性、耐疲劳性,自润滑、低摩擦系数,耐候性、吸水率低,仅为0.1%,在潮湿环境中仍保持各种物性(包括电性能),电绝缘性,但体积电阻、介电损耗大。耐热水、碱类、酸类、油类、但易受卤化烃侵蚀,耐水解性差,低温下可迅速结晶,成型性良好。。
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一种苊式多苯基环戊二烯酮共聚烯丙醚酚醛发泡树脂制备方法
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一种2-(4-氟苯基)噻吩的分离提纯方法
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UPDATE `cms_kjcg` SET `name` = '一种用于LED灯座的PBT导热、耐热材料及其制备方法' , `sour` = '朝阳龙城科技网' , `read` = 155 , `show` = '/upload/kjcg_62d105e9e39e9.png' , `type` = 10 , `mode` = 3 , `give` = 1 , `info` = '一种用于LED灯座的PBT导热、耐热材料,其特征在于:所述材料由树脂基体、增强体系、导热体系、润滑体系、抗氧体系组成;树脂基体为聚对苯二甲酸丁二醇酯(PBT);增强体系为玻璃纤维;润滑体系为TAF润滑剂、硬脂酸钙;抗氧体系为抗氧剂1010;还含有乙烯#丙烯酸甲酯#甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA);该材料由下列重量份配比制成:一种用于LED灯座的PBT导热、耐热材料制备方法,其特征在于,所述方法包括每一次挤出造粒实验前,将#PBT#材料在#100℃下鼓风干燥#5#小时,该干燥是把材料平铺到干燥专用的托盘里面,材料厚度在#2cm#左右或以下,平铺基本均匀;E-MA-GMA在55℃真空干燥12小时以上;玻璃纤维在马弗炉中加热脱蜡,用质量分数1%的硅烷偶联剂加入水、乙醇混合液中浸渍2小时,然后清洗,放入80摄氏度烘箱烘干#3小时;将PP-R、E-MA-GMA、TAF润滑剂、AlN粉末、抗氧剂1010、硬脂酸钙按一定配比加入高速混合机混合10分钟,放入80℃烘箱烘干1小时,加入挤出机挤出,挤出同时,将玻璃纤维从排气孔加入,挤出,切粒即可。' , `html` = 'PBT为结晶型热塑性聚酯。具有高耐热性、韧性、耐疲劳性,自润滑、低摩擦系数,耐候性、吸水率低,仅为0.1%,在潮湿环境中仍保持各种物性(包括电性能),电绝缘性,但体积电阻、介电损耗大。耐热水、碱类、酸类、油类、但易受卤化烃侵蚀,耐水解性差,低温下可迅速结晶,成型性良好。。' , `status` = 2 , `short` = 1652856416 , `addtime` = 1652856416 , `node_id` = 898 , `user_id` = NULL WHERE `id` = 237 [ RunTime:0.000413s ]
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