NL7511378A - Werkwijze voor de polymerisatie van tetrahydro- furan. - Google Patents

Werkwijze voor de polymerisatie van tetrahydro- furan.

Info

Publication number
NL7511378A
NL7511378A NL7511378A NL7511378A NL7511378A NL 7511378 A NL7511378 A NL 7511378A NL 7511378 A NL7511378 A NL 7511378A NL 7511378 A NL7511378 A NL 7511378A NL 7511378 A NL7511378 A NL 7511378A
Authority
NL
Netherlands
Prior art keywords
tetrahydrofuran
polymerization
Prior art date
Application number
NL7511378A
Other languages
English (en)
Original Assignee
Basf Ag
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 by Basf Ag filed Critical Basf Ag
Publication of NL7511378A publication Critical patent/NL7511378A/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/16—Cyclic ethers having four or more ring atoms
    • C08G65/20—Tetrahydrofuran
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/324—Polymers modified by chemical after-treatment with inorganic compounds containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
    • C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
    • C08G65/3322—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof acyclic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Polyethers (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NL7511378A 1974-09-26 1975-09-26 Werkwijze voor de polymerisatie van tetrahydro- furan. NL7511378A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2445961A DE2445961C2 (de) 1974-09-26 1974-09-26 Verfahren zur Polymerisation von Tetrahydrofuran

Publications (1)

Publication Number Publication Date
NL7511378A true NL7511378A (nl) 1976-03-30

Family

ID=5926790

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7511378A NL7511378A (nl) 1974-09-26 1975-09-26 Werkwijze voor de polymerisatie van tetrahydro- furan.

Country Status (8)

Country Link
US (1) US4259531A (nl)
BE (1) BE833294A (nl)
CA (1) CA1054636A (nl)
DE (1) DE2445961C2 (nl)
FR (1) FR2286156A1 (nl)
GB (1) GB1512528A (nl)
IT (1) IT1047100B (nl)
NL (1) NL7511378A (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2357591A1 (fr) * 1976-03-31 1978-02-03 Du Pont Preparation de poly(tetramethylene ether glycol et d'esters de celui-ci
FR2361433A1 (fr) * 1976-03-31 1978-03-10 Du Pont Preparation de poly(tetramethylene ether) glycol a partir d'esters de celui-ci

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189566A (en) * 1978-01-14 1980-02-19 Basf Aktiengesellschaft Polymerization of tetrahydrofuran
US4243799A (en) 1978-01-14 1981-01-06 Basf Aktiengesellschaft Polymerization of tetrahydrofuran
DE3004328A1 (de) * 1980-02-06 1981-08-13 Bayer Ag, 5090 Leverkusen Polytetrahydrofurane mit acrylat- oder methacrylatendgruppen
US4393199A (en) 1981-05-12 1983-07-12 S R I International Cationic polymerization
US4510333A (en) * 1984-06-05 1985-04-09 E. I. Du Pont De Nemours And Company Method for preparing poly(tetramethylene ether) glycol having narrow molecular weight distribution
US5149862A (en) * 1991-02-26 1992-09-22 E. I. Du Pont De Nemours And Company Preparation of polytetramethylene ether glycol using an acidic zirconia catalyst
DE4108046A1 (de) * 1991-03-13 1992-09-17 Basf Ag Verfahren zur herstellung von polyoxyalkylenglykol-monoestern von monocarbonsaeuren
US5130470A (en) * 1991-03-27 1992-07-14 E. I. Du Pont De Nemours And Company Polymerization of tetrahydrofuran using a fluorinated acidic catalyst and maleic acid/maleic anhydride mixture as molecular weight control agent
DE4325023A1 (de) * 1993-07-26 1995-02-02 Basf Ag Verfahren zur Herstellung von Polytetrahydrofuran oder Tetrahydrofuran-Alkylenoxid-Copolymeren
DE19755415A1 (de) * 1997-12-12 1999-06-17 Basf Ag Katalysator und Verfahren zur Herstellung von Polytetrahydrofuran
JP3659042B2 (ja) * 1999-01-14 2005-06-15 三菱化学株式会社 ポリアルキレンエーテルグリコールの製造方法
KR100709018B1 (ko) * 2000-02-17 2007-04-18 다이셀 화학 공업 주식회사 무수초산, 조제 무수초산의 정제법 및 무수초산을 이용한폴리옥시테트라메틸렌글리콜의 제조법
US6821193B2 (en) * 2002-03-27 2004-11-23 Roger Kaye Material positioning and shaping system apparatus
MX2023001770A (es) 2020-08-12 2023-02-23 Basf Se Agente espumante para la flotacion de menas.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR898269A (fr) * 1939-08-18 1945-04-18 Ig Farbenindustrie Ag Procédé d'obtention de produits de polymérisation du tétrahydrofurane
US2499725A (en) * 1948-02-06 1950-03-07 Du Pont Process for making esters of monocarboxylic acids
US2691038A (en) * 1953-04-09 1954-10-05 Du Pont Polymers of tetrahydrofuran
BE733916A (nl) * 1969-05-30 1969-12-01
JPS4928918B1 (nl) * 1970-09-16 1974-07-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2357591A1 (fr) * 1976-03-31 1978-02-03 Du Pont Preparation de poly(tetramethylene ether glycol et d'esters de celui-ci
FR2361433A1 (fr) * 1976-03-31 1978-03-10 Du Pont Preparation de poly(tetramethylene ether) glycol a partir d'esters de celui-ci

Also Published As

Publication number Publication date
DE2445961C2 (de) 1983-12-01
DE2445961A1 (de) 1976-04-08
FR2286156B1 (nl) 1978-09-22
CA1054636A (en) 1979-05-15
BE833294A (fr) 1976-03-11
IT1047100B (it) 1980-09-10
US4259531A (en) 1981-03-31
FR2286156A1 (fr) 1976-04-23
GB1512528A (en) 1978-06-01

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