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公开(公告)号:US07078440B2
公开(公告)日:2006-07-18
申请号:US10432822
申请日:2001-11-22
申请人: Kenichi Ishihara , Kazumasa Mizuno , Minoru Nakashima , Kazuhiro Sato , Masanori Miyamoto , Taizo Mori
发明人: Kenichi Ishihara , Kazumasa Mizuno , Minoru Nakashima , Kazuhiro Sato , Masanori Miyamoto , Taizo Mori
CPC分类号: C07C69/82 , C07C67/03 , C07C67/56 , Y02P20/582
摘要: A dimethyl terephthalate composition includes 0.001 to 200 ppm of methyl 4-(1,3-dioxolan-2-yl)benzoate and 0 to 1 ppm of dimethyl hydroxyterephthalate contained in dimethyl terephthalate, and exhibits improved properties as a material for producing polyester.
摘要翻译: 对苯二甲酸二甲酯组合物包含0.001〜200ppm的4-(1,3-二氧戊环-2-基)苯甲酸甲酯和0〜1ppm的对苯二甲酸二甲酯中所含的羟基对苯二甲酸二甲酯,表现出改善的作为聚酯生产材料的性能。