Process for preparation of modified polyethylene terphthalate with improved barrier, mechanical and thermal properties and products thereof
申请人:ESTER INDUSTRIES LIMITED
公开号:US10174162B2
公开(公告)日:2019-01-08
The present invention relates to a copolyester having intrinsic viscosity greater than 0.50 dL/gm, comprises: terephthalate polyester composition; and a modified transparent polybutylene naphthalate, wherein the modified polybutylene naphthalate comprises naphthalene dicarboxylic acid, 1,4-butane diol, and isophthalic acid or monoethylene glycol or diethylene glycol or cyclohexane dimethanol or polyethylene naphthalate, nucleating agent, and a modified nanoclay.
本发明涉及一种本征粘度大于 0.50 dL/gm,包括:对苯二甲酸酯聚酯组合物;和改性透明聚萘二甲酸丁二醇酯,其中改性聚萘二甲酸丁二醇酯包括萘二羧酸、1,4-丁二醇和间苯二甲酸或单乙二醇或二甘醇或环己烷二甲醇或聚萘二甲酸乙二醇酯、成核剂和改性纳米粘土。