BE674542A - - Google Patents

Info

Publication number
BE674542A
BE674542A BE674542DA BE674542A BE 674542 A BE674542 A BE 674542A BE 674542D A BE674542D A BE 674542DA BE 674542 A BE674542 A BE 674542A
Authority
BE
Belgium
Application number
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
Application filed filed Critical
Publication of BE674542A publication Critical patent/BE674542A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18—Polyhydroxylic acyclic alcohols
    • C07C31/20—Dihydroxylic alcohols
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/24—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
    • C07C69/12—Acetic acid esters
    • C07C69/16—Acetic acid esters of dihydroxylic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyethers (AREA)
BE674542D 1964-12-30 1965-12-30 BE674542A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF44840A DE1226560B (de) 1964-12-30 1964-12-30 Verfahren zur Herstellung von Butylenglykoldiacetaten

Publications (1)

Publication Number Publication Date
BE674542A true BE674542A (de) 1966-06-30

Family

ID=7100216

Family Applications (1)

Application Number Title Priority Date Filing Date
BE674542D BE674542A (de) 1964-12-30 1965-12-30

Country Status (6)

Country Link
US (1) US3433829A (de)
BE (1) BE674542A (de)
CH (1) CH454110A (de)
DE (1) DE1226560B (de)
GB (1) GB1128340A (de)
NL (1) NL6516827A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163115A (en) * 1976-03-31 1979-07-31 E. I. Du Pont De Nemours And Company Preparation of esters of poly-(tetramethylene ether) glycol
US4243799A (en) * 1978-01-14 1981-01-06 Basf Aktiengesellschaft Polymerization of tetrahydrofuran
US4189566A (en) * 1978-01-14 1980-02-19 Basf Aktiengesellschaft Polymerization of tetrahydrofuran
DE3042960A1 (de) * 1980-11-14 1982-07-08 Basf Ag, 6700 Ludwigshafen Verfahren zur depolymerisation von polytetramethylenglykolether
US5208385A (en) * 1992-02-19 1993-05-04 Arco Chemical Technology, L.P. Preparation of tetrahydrofuran polymers having a narrow molecular weight distribution using an amorphous silica-alumina catalyst
US5210283A (en) * 1992-05-18 1993-05-11 Arco Chemical Technology, L.P. Synthesis of tetrahydrofuran polymers using calcined silica-alumina or beaching earth catalysts
US6069226A (en) * 1992-09-04 2000-05-30 Basf Aktiengesellschaft Process for the preparation of polytetramethylene ether glycol diester using an aluminosilicate type catalyst
WO1998031724A1 (en) * 1997-01-17 1998-07-23 Shinwha Petrochemical Co., Ltd. Process for production of polytetramethylene-ether-glycol-diester using halloysite catalyst
CN1102158C (zh) * 1997-09-05 2003-02-26 巴斯福股份公司 制备聚四氢呋喃的改进方法
DE19755415A1 (de) 1997-12-12 1999-06-17 Basf Ag Katalysator und Verfahren zur Herstellung von Polytetrahydrofuran
DE19801462A1 (de) 1998-01-16 1999-07-22 Basf Ag Katalysator und Verfahren zur Herstellung von Polytetrahydrofuran
DE10242286A1 (de) 2002-09-12 2004-03-18 Basf Ag Verfahren zur Herstellung von Mono- und Diestern des Polytetrahydrofurans und der Tetrahydrofuran-Copolymere
DE10261484A1 (de) 2002-12-23 2004-07-01 Basf Ag Verfahren zur Polymerisation cyclischer Ether
DE10330721A1 (de) 2003-07-08 2005-01-27 Basf Ag Verfahren zur Gewinnung von Oligomeren des Polytetrahydrofurans oder der Tetrahydrofuran-Copolymere
DE102006009150B4 (de) 2006-02-24 2018-07-19 Basf Se Verfahren zur Herstellung von Polytetrahydrofuran oder Tetrahydrofuran-Copolymeren
DE102006027233A1 (de) 2006-06-09 2007-12-13 Basf Ag Verfahren zur Herstellung von Polytetrahydrofuran oder Tetrahydrofuran-Copolymeren
KR101457227B1 (ko) 2007-01-19 2014-10-31 바스프 에스이 폴리테트라히드로푸란 또는 공중합체의 연속상 제조 동안 미리정의된 평균 분자량 Ｍｎ을 변경하는 방법
JP2010538136A (ja) 2007-09-06 2010-12-09 ビーエーエスエフ ソシエタス・ヨーロピア ポリテトラヒドロフランのモノエステル及び／又はジエステルを含有する混合物の解重合のための方法
WO2010060957A1 (de) * 2008-11-27 2010-06-03 Basf Se Vorrichtung zur destillativen auftrennung
CN112679725B (zh) * 2020-12-28 2023-05-26 江苏美思德化学股份有限公司 一种低分子聚醚乙酰化的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1710424A (en) * 1925-12-18 1929-04-23 Ig Farbenindustrie Ag Production of polyalkylene glycol esters
US2576268A (en) * 1947-05-24 1951-11-27 Celanese Corp Cellulose ester plasticized with a 1-4 butandiol diester
US2499725A (en) * 1948-02-06 1950-03-07 Du Pont Process for making esters of monocarboxylic acids
US2525145A (en) * 1948-10-29 1950-10-10 Universal Oil Prod Co Supported phosphoric acid-boric acid catalyst and its manufacture
US2778855A (en) * 1953-06-01 1957-01-22 Shell Dev Production of hydroxy ethers
US2993913A (en) * 1959-01-07 1961-07-25 Quaker Oats Co Preparation of 2, 2-bis (hydroxymethyl) tetrahydrofuran
GB905854A (en) * 1960-05-14 1962-09-12 Distillers Co Yeast Ltd Production of t-butyl acetate

Also Published As

Publication number Publication date
US3433829A (en) 1969-03-18
DE1226560B (de) 1966-10-13
GB1128340A (en) 1968-09-25
CH454110A (de) 1968-04-15
NL6516827A (de) 1966-07-01

Similar Documents

Publication Publication Date Title
BE656340A (de)
BE642741A (de)
BE642654A (de)
BE659920A (de)
BE658548A (de)
NL6516827A (de)
BE657906A (de)
BE657658A (de)
BE654382A (de)
BE653458A (de)
BE651111A (de)
BE646740A (de)
BE643043A (de)
BE642974A (de)
BE642797A (de)
BE642770A (de)
BE642735A (de)
BE642652A (de)
BE642589A (de)
BE642588A (de)
BE642530A (de)
BE642508A (de)
BE642470A (de)
BE642458A (de)
BE642437A (de)