ES395070A1 - Procedimiento para la polimerizacion de tetrahidrofurano. - Google Patents

Procedimiento para la polimerizacion de tetrahidrofurano.

Info

Publication number
ES395070A1
ES395070A1 ES395070A ES395070A ES395070A1 ES 395070 A1 ES395070 A1 ES 395070A1 ES 395070 A ES395070 A ES 395070A ES 395070 A ES395070 A ES 395070A ES 395070 A1 ES395070 A1 ES 395070A1
Authority
ES
Spain
Prior art keywords
tetrahydrofuran
weight
polymerization
percent
sulfuric acid
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES395070A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Kao Soap Co Ltd
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 Kao Corp, Kao Soap Co Ltd filed Critical Kao Corp
Publication of ES395070A1 publication Critical patent/ES395070A1/es
Expired legal-status Critical Current

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
    • C08G65/04—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Catalysts (AREA)
ES395070A 1970-09-16 1971-09-14 Procedimiento para la polimerizacion de tetrahidrofurano. Expired ES395070A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45081008A JPS4928918B1 (es) 1970-09-16 1970-09-16

Publications (1)

Publication Number Publication Date
ES395070A1 true ES395070A1 (es) 1973-12-16

Family

ID=13734469

Family Applications (1)

Application Number Title Priority Date Filing Date
ES395070A Expired ES395070A1 (es) 1970-09-16 1971-09-14 Procedimiento para la polimerizacion de tetrahidrofurano.

Country Status (8)

Country Link
US (1) US3720719A (es)
JP (1) JPS4928918B1 (es)
CA (1) CA934896A (es)
DE (1) DE2146230A1 (es)
ES (1) ES395070A1 (es)
FR (1) FR2107679A5 (es)
GB (1) GB1326527A (es)
NL (1) NL157031B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445961C2 (de) * 1974-09-26 1983-12-01 Basf Ag, 6700 Ludwigshafen Verfahren zur Polymerisation von Tetrahydrofuran
JPS538108U (es) * 1976-07-06 1978-01-24
US5001277A (en) * 1989-02-14 1991-03-19 Arco Chemical Technology, Inc. Polymerization of tetrahydrofuran with fuming sulphuric acid and a complex anion cocatalyst

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE766208C (de) * 1939-08-18 1953-06-29 Ig Farbenindustrie Ag Verfahren zur Darstellung von Polymerisationsprodukten des Tetrahydrofurans
US2856370A (en) * 1953-09-09 1958-10-14 Du Pont Process for polymerizing cyclic ethers with phosphorous pentafluoride
US2751419A (en) * 1954-09-13 1956-06-19 Du Pont Process for purification of polytetramethyleneether
US3254056A (en) * 1960-05-23 1966-05-31 Goodyear Tire & Rubber Polyurethane elastomers from a polyether bis-chloroformate and a diamine
US3359332A (en) * 1963-07-25 1967-12-19 Monsanto Co Preparation of polyoxytetra-methylene glycol
US3454652A (en) * 1966-09-22 1969-07-08 Ouaker Oats Co The Process for production of tetrahydrofuran polymers

Also Published As

Publication number Publication date
FR2107679A5 (es) 1972-05-05
GB1326527A (en) 1973-08-15
DE2146230A1 (de) 1972-03-23
CA934896A (en) 1973-10-02
NL7112708A (es) 1972-03-20
NL157031B (nl) 1978-06-15
JPS4928918B1 (es) 1974-07-30
US3720719A (en) 1973-03-13

Similar Documents

Publication Publication Date Title
DE1008916B (de) Verfahren zur Herstellung von hochmolekularen Polyaethylenen
JPS5386794A (en) Continuous polymerization
ES395070A1 (es) Procedimiento para la polimerizacion de tetrahidrofurano.
BG31076A3 (en) Composition of polymerisation
ES376997A1 (es) Procedimiento para la polimerizacion de tetrahidrofurano.
GB1151476A (en) An Agent for Increasing the Stability of Beer
GB1444670A (en) Process for the production of polycarboxylates with biodegra dability
GB1196676A (en) Method of Retarding Polymerization in the Process for the Production of Methacrylic Acid Esters
ES408706A1 (es) Procedimiento para la polimerizacion de tetrahidrofurano.
ES377617A1 (es) Procedimiento para la polimerizacion de tetrahidrofurano.
ES291110A1 (es) Procedimiento para preparar copolímeros de peso molecular elevado
ES394018A1 (es) Procedimiento para la polimerizacion de masa o en solucion de monomeros etilenicamente insaturados.
GB909051A (en) A method for the emulsion-polymerisation of vinyl acetate alone and in a mixed polymerisation together with esters of unsaturated mono- and dicarboxylic acids
ES437571A1 (es) Procedimiento para la fabricacion y aplicacion de condensa- dos de formal-dehido de 4,4-tio-bis (dialquilfenol).
GB1219782A (en) Improvements in or relating to polymers
GB752007A (en) Improvements in or modification of the process for the catalytic polymerisation of acrylonitrile
GB1469086A (en) Process for preparing bicyclic y-lactones
ES423290A1 (es) Procedimiento para la caracterizacion de cuerpos configura-dos mediante agentes de marcacion.
GB723454A (en) Improvements in or relating to the manufacture of hydroquinone
GB1256152A (en) Process for producing oxalic acid
GB1267020A (es)
GB929260A (en) Polymerization of formaldehyde
GB1425309A (en) Process for the preparation of 5-nitro-1,4-naphthoquinone
JPS51138376A (en) A-d converter checking system
ES397983A1 (es) Un procedimiento para polimerizar cicloolefinas convirtien-dolas en polialquenameros.