29-08-2019 дата публикации
Номер: WO2019164371A1
Принадлежит:
The present invention relates to a gasket for a secondary battery comprising a base resin and a rust preventive, wherein the base resin comprises polybutylene terephthalate and the rust preventive comprises a rust preventing material and a polymer resin, the base resin and the polymer resin being different from each other, and the rust preventing material comprising at least one of the compounds of the following formulas 1-1 and 1-2. [formula 1-1] A1-R1 [formula 1-2] A1-R2-A2, wherein R1 is any one selected from the group consisting of a linear alkyl group of 8 to 20 carbon atoms, a branched alkyl goup of 8 to 20 carbon atoms, an alkenyl group of 8 to 20 carbon atoms, an akynyl group of 8 to 20 carbon atoms, and an aryl group of 8 to 18 carbon atoms, R2 is any one selected from the group consisting of a linear alkylene group of 8 to 20 carbon atoms, a branched alkylene group of 8 to 20 carbon atoms, an alkenylene group of 8 to 20 carbon atoms, an alkynylenyl group of 8 to 20 carbon atoms ...
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