JPS4928918B1 - - Google Patents

Info

Publication number
JPS4928918B1
JPS4928918B1 JP45081008A JP8100870A JPS4928918B1 JP S4928918 B1 JPS4928918 B1 JP S4928918B1 JP 45081008 A JP45081008 A JP 45081008A JP 8100870 A JP8100870 A JP 8100870A JP S4928918 B1 JPS4928918 B1 JP S4928918B1
Authority
JP
Japan
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.)
Pending
Application number
JP45081008A
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
Priority to JP45081008A priority Critical patent/JPS4928918B1/ja
Priority to US00180175A priority patent/US3720719A/en
Priority to ES395070A priority patent/ES395070A1/es
Priority to CA122945A priority patent/CA934896A/en
Priority to NL7112708.A priority patent/NL157031B/xx
Priority to FR7133181A priority patent/FR2107679A5/fr
Priority to GB4298271A priority patent/GB1326527A/en
Priority to DE19712146230 priority patent/DE2146230A1/de
Publication of JPS4928918B1 publication Critical patent/JPS4928918B1/ja
Pending 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)
JP45081008A 1970-09-16 1970-09-16 Pending JPS4928918B1 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP45081008A JPS4928918B1 (ja) 1970-09-16 1970-09-16
US00180175A US3720719A (en) 1970-09-16 1971-09-13 Process for polymerization of tetrahydrofuran
ES395070A ES395070A1 (es) 1970-09-16 1971-09-14 Procedimiento para la polimerizacion de tetrahidrofurano.
CA122945A CA934896A (en) 1970-09-16 1971-09-15 Process for polymerization of tetrahydrofuran
NL7112708.A NL157031B (nl) 1970-09-16 1971-09-15 Werkwijze voor het polymeriseren van tetrahydrofuran, alsmede gevormd voortbrengsel, bestaande uit of bekleed met aldus verkregen tetrahydrofuran.
FR7133181A FR2107679A5 (ja) 1970-09-16 1971-09-15
GB4298271A GB1326527A (en) 1970-09-16 1971-09-15 Process for polymerisation of tetrahydrofuran
DE19712146230 DE2146230A1 (de) 1970-09-16 1971-09-16 Verfahren zur Polymerisation von Tetrahydrofuran

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS4928918B1 true JPS4928918B1 (ja) 1974-07-30

Family

ID=13734469

Family Applications (1)

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

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538108U (ja) * 1976-07-06 1978-01-24

Families Citing this family (2)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538108U (ja) * 1976-07-06 1978-01-24

Also Published As

Publication number Publication date
DE2146230A1 (de) 1972-03-23
FR2107679A5 (ja) 1972-05-05
GB1326527A (en) 1973-08-15
CA934896A (en) 1973-10-02
ES395070A1 (es) 1973-12-16
NL7112708A (ja) 1972-03-20
US3720719A (en) 1973-03-13
NL157031B (nl) 1978-06-15

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