会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明授权
    • Graphite filled polyester compositions
    • 石墨填充聚酯组合物
    • US08877851B2
    • 2014-11-04
    • US13788198
    • 2013-03-07
    • Yuji Saga
    • Yuji Saga
    • B60C1/00B01F17/00C08L67/00H01L23/373H01L33/56
    • H01L23/3737C08K3/013C08K3/04C08L67/00C08L67/02C08L67/025H01L33/56H01L2924/0002H01L2924/00
    • Polyester compositions comprising: 3 to 40 weight percent, preferably 3 to 30 weight percent, of at least one polyester, preferably polybutylene terephthalate, polytrimethylene terephthalate, polyethylene terephthalate, poly(ethylene 2,6-naphthoate), and poly(1,4-cyclohexyldimethylene terephthalate); 25 to 50 weight percent non-fibrous graphite, preferably a platy or particulate graphite; 10 to 40 weight percent inorganic filler selected from the group consisting of wollastonite, glass fibers, aramid fibers, ceramic fibers, potassium titanate whiskers, or combinations of them; 3 to 10 weight percent copolyether ester elastomer; wherein: the amount of a+b+c+d is 100 weight percent of the composition; the amount of b+c is at least 50 weight percent of the composition; the weight ratio of copolyether ester elastomer to polyester is from 0.3 to 0.4; and the composition has at least a 0.2 percent elongation, a thermal conductivity of at least 3 WmK, and a tensile strength of at least 25 MPa. Articles prepared from these compositions.
    • 聚酯组合物包含:3-40重量%,优选3-30重量%的至少一种聚酯,优选聚对苯二甲酸丁二醇酯,聚对苯二甲酸丙二醇酯,聚对苯二甲酸乙二醇酯,聚(2,6-萘甲酸乙烯酯)和聚(1,4- 环己基二亚甲基对苯二甲酸酯); 25至50重量%的非纤维状石墨,优选板状或颗粒状石墨; 10-40重量%的选自硅灰石,玻璃纤维,芳族聚酰胺纤维,陶瓷纤维,钛酸钾晶须或它们的组合的无机填料; 3至10重量%的共聚醚酯弹性体; 其中:a + b + c + d的量为组合物的100重量% b + c的量为组合物的至少50重量% 共聚醚酯弹性体与聚酯的重量比为0.3〜0.4; 并且组合物具有至少0.2%的伸长率,至少3WmK的热导率和至少25MPa的拉伸强度。 从这些组合物制备的制品。