首页> 外国专利> ANTI TERMITE CABLE SHEATHING COMPRISING AN ALIPHATIC POLYAMIDE X.Y WITH X+Y18, AN UV ABSORBER AND/OR UV STABILIZER, AND AN ANTIOXIDANT

ANTI TERMITE CABLE SHEATHING COMPRISING AN ALIPHATIC POLYAMIDE X.Y WITH X+Y18, AN UV ABSORBER AND/OR UV STABILIZER, AND AN ANTIOXIDANT

机译:包含X + Y> 18的脂族聚酰胺X.Y,UV吸收剂和/或UV稳定剂和抗氧化剂的抗白蚁电缆护套

摘要

The present invention relates to the use of a composition comprising: a) at least one aliphatic polyamide having at least two units corresponding to the following general formula: X.Y in which: X.Y represents a unit obtained by polycondensation of: - a diamine containing X carbon atoms and, - a dicarboxylic acid containing Y carbon atoms, and such that the sum of X+Y is strictly superior to 18, b) at least one UV absorber and eventually at least one UV stabilizer, c) at least one antioxidant, with preferably a weight ratio of antioxidant over light stabilizer being less than or equal to 0.7,to manufacture a mono or multilayer cable sheathing resistant to termite damage. The present invention also relates to a cable sheathing made of a composition according to the invention, a process to manufacture a cable sheathing according to the invention,and the use of a cable sheathing according to the invention in an electric or optical fiber cable.
机译:本发明涉及一种组合物的用途,所述组合物包含:a)具有对应于以下通式的至少两个单元的至少一种脂族聚酰胺:XY其中:XY表示通过以下缩聚得到的单元:-含X碳的二胺原子和-含Y碳原子的二元羧酸,使得X + Y的总和严格优于18,b)至少一种紫外线吸收剂并最终至少一种紫外线稳定剂,c)至少一种抗氧化剂,优选抗氧化剂与光稳定剂的重量比小于或等于0.7,以制造抗白蚁损害的单层或多层电缆护套。本发明还涉及由根据本发明的组合物制成的电缆护套,制造根据本发明的电缆护套的方法,以及根据本发明的电缆护套在电缆或光缆中的用途。

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