XYLYLENEDIAMINE COMPOSITION AND METHOD FOR PRODUCING POLYAMIDE RESIN Russian patent published in 2018 - IPC C08G69/26 

Abstract RU 2650891 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a xylylenediamine composition useful as a starting material for the preparation of a polyamide resin and to a process for producing a polyamide resin, which can be used for the production of packaging films, hollow containers, various molding materials, fibers, etc. Method for producing a polyamide resin is that a xylylenediamine composition containing xylylenediamine and bis-(methylbenzyl)amine and a dicarboxylic acid is introduced into the reaction system. Polycondensation reaction is then carried out. Content of bis-(methylbenzyl)amine is from 0.0005 to 0.1 parts by weight per 100 parts by weight of xylylenediamine.

EFFECT: invention makes it possible to obtain a polyamide resin that is less dyed, rapidly crystallizes and has excellent transparency.

11 cl, 4 tbl, 12 ex

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RU 2 650 891 C2

Authors

Totikhara Tatsuya

Sinokhara Katsumi

Nakamura Takasi

Yamada Khadzime

Mitadera Dzun

Dates

2018-04-18Published

2014-04-09Filed