Polybutylene terephthalate composition

Details Polybutylene terephthalate composition Polybutylene terephthalate composition

C - Chemistry, Metallurgy

08

L

400/4112

C08L 67/02 (2006.01) C08K 5/54 (2006.01) C08L 51/04 (2006.01) H01B 3/42 (2006.01)

Patent

CA 1257429

ABSTRACT OF THE DISCLOSURE A polybutylene terephthalate composition comprises polybutylene terephthalate, polyacrylate and a silane coupling agent and is improved in impact resistance and elongation. Preferably, the composition contains 75 to 99.8 wt.% of the polybutylene terephthalate, 0.1 to 20 wt.% of the polyacrylate and 0.1 to 5 wt.% of the silane coupling agent. The polyacrylate may have a core-shell structure including a rubber-like inner core portion and a thermoplastic rigid outer shell portion. The silane coupling agent may have the formula: Y-R-SiX3 (wherein X is hydrolyzable group such as chlorine, alkoxy, etc., Y is an organic functional part such as glycidyl, vinyl, methacryloxy, epoxycyclohexyl, amino and mercapto and R is a chemical bond or a lower alkylene).

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