发明授权
US07217783B2 Oxytetramethylene glycol copolymer and process for producing the same 有权
氧四亚甲基二醇共聚物及其制备方法

Oxytetramethylene glycol copolymer and process for producing the same
摘要:
An oxytetramethylene glycol copolymer obtained by copolymerizing tetrahydrofuran and neopentyl glycol which has a specific number average molecular weight Mn, a specific molecular weight distribution Mw/Mn, a specific neopentyl glycol copolymerization whole ratio Nw and a specific neopentyl glycol copolymerization partial ratio Nh; a method for producing the same; and a method for purifying an oxytetramethylene glycol copolymer using fresh tetrahydrofuran.
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