国家/地区
IPC部 C（2）
IPC大类 C07（2）
IPC小类 C07C（2）
IPC C08G063/183（2）
发明人
公开年
申请年 2021（2）
专利权人

Esterification of purified terephthalic acid and 1,4-butanediol useful for producing polybutylene adipate terephthalate, comprises adding terephthalic acid, 1,4-butanediol and polymerization degree catalyst into a reaction kettle, introducing nitrogen, and reacting.

LIU G, LIU S, XU W, GUO T, HAN Y, ZHOU B, ZHENG L, LIU Y, HAO D, WANG X, CAO F, WANG C, WANG M, LI Z, LI J, ZHAO N, SHI C, SHI R

Recycling synthetic polymers by combining polymers with a solid depolymerizing catalyst in a vessel, mechanically shearing the combined polymers and solid depolymerizing catalyst to produce monomers from polymers, and collecting monomers.

SIEVERS C, TRICKER A W, NAIR S, JONES C, BOUKOUVALA F