[go: up one dir, main page]

HK1004607B - 纯化多元醇的方法 - Google Patents

纯化多元醇的方法 Download PDF

Info

Publication number
HK1004607B
HK1004607B HK98103796.3A HK98103796A HK1004607B HK 1004607 B HK1004607 B HK 1004607B HK 98103796 A HK98103796 A HK 98103796A HK 1004607 B HK1004607 B HK 1004607B
Authority
HK
Hong Kong
Prior art keywords
polyol
extracting compound
process according
monool
polyoxyalkylene
Prior art date
Application number
HK98103796.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
HK1004607A1 (zh
Inventor
Margriet Gaston Goegebeur Patrick
Original Assignee
帝国化学工业公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB939325468A external-priority patent/GB9325468D0/en
Application filed by 帝国化学工业公司 filed Critical 帝国化学工业公司
Publication of HK1004607A1 publication Critical patent/HK1004607A1/zh
Publication of HK1004607B publication Critical patent/HK1004607B/zh

Links

HK98103796.3A 1993-12-13 1994-11-17 纯化多元醇的方法 HK1004607B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9325468 1993-12-13
GB939325468A GB9325468D0 (en) 1993-12-13 1993-12-13 Process for purifying polyols
PCT/EP1994/003808 WO1995016724A1 (en) 1993-12-13 1994-11-17 Process for purifying polyols

Publications (2)

Publication Number Publication Date
HK1004607A1 HK1004607A1 (zh) 1998-11-27
HK1004607B true HK1004607B (zh) 1998-11-27

Family

ID=

Similar Documents

Publication Publication Date Title
US5777177A (en) Preparation of double metal cyanide-catalyzed polyols by continuous addition of starter
CN1171922C (zh) 储存稳定的聚亚氧烷基多羟基化合物
US4764567A (en) Process for the preparation of polyoxyalkylene block polyethers having enhanced properties
EP0734407B1 (en) Process for purifying polyols
WO1998017708A1 (en) Process for the fractionation of polyoxyalkylene block copolymers
US5416241A (en) Method for purifying polyether polyols made with double metal cyanide catalysts
CA2183400A1 (en) Low-odor, higher molecular weight polyether polyols, a process for producing them, and their use for the production of polymers, cosmetics and pharmaceutical products synthesized from polyether polyols
EP0045544B1 (en) Process for the manufacture of polyether polyols and their use for preparing polyurethanes
HK1004607B (zh) 纯化多元醇的方法
KR100265869B1 (ko) 폴리올 중의 불포화도를 감소시키는 방법
DE602004003918T2 (de) Verfahren zur herstellung von polyetherpolyolen
MXPA94008230A (es) Procedimiento para la purificacion de polioles.
JP2005509707A (ja) 有機化合物のアルコキシル化方法
CN121241087A (zh) 用于制备聚亚烷基二醇的方法
MXPA00009957A (en) Method for producing long-chain polyetherpolyols without reprocessing
JPH0388826A (ja) ポリエーテル類の製法
CA2211106A1 (en) Polyglycol finishing process
HK1051699B (zh) 粘度稳定的异氰酸酯封端的预聚物