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    • 15. 发明授权
    • Liquid crystalline polyester compositions containing carbon black
    • 含有炭黑的液晶聚酯组合物
    • US6121369A
    • 2000-09-19
    • US52639
    • 1998-03-31
    • Gary Michael StackTheodore Roosevelt Walker, Jr.
    • Gary Michael StackTheodore Roosevelt Walker, Jr.
    • C08L67/00C08G63/60C08K3/04H05K1/03C08K3/00
    • C08G63/605C08K3/04H05K1/0373
    • Disclosed are liquid crystalline polyester molding compositions which are capable of being molded into an article having a thickness of less than 1.5 mm and a flammability classification of 94V-O as determined by the UL-94 20 mm Vertical Burning Test (ASTM D 3801) which are comprised of (i) certain all-aromatic, liquid crystal polyester consisting essentially of terephthalic acid residues, 2,6-naphthalenedicarboxylic acid residues, hydroquinone residues, and p-hydroxybenzoic acid residues; and (ii) about 0.1 to 10 weight percent, based on the total weight of the liquid crystalline polyester molding composition, carbon black. These liquid crystalline polyester molding compositions also may contain glass fiber. The disclosed molding compositions are particularly useful for manufacturing circuit boards and electrical connectors for use in various electronic devices.
    • 本发明公开了一种液晶聚酯模塑组合物,其能够被模制成具有小于1.5mm的厚度的物品,并且通过UL-94 20mm垂直燃烧试验(ASTM D 3801)测定的94V-O的可燃性等级,其中 包括(i)基本上由对苯二甲酸残基,2,6-萘二甲酸残基,氢醌残基和对羟基苯甲酸残基组成的某些全芳族液晶聚酯; 和(ii)基于液晶聚酯模塑组合物的总重量为约0.1至10重量%的炭黑。 这些液晶聚酯成型组合物也可以含有玻璃纤维。 所公开的模塑组合物特别适用于制造用于各种电子装置的电路板和电连接器。