BE813605A - Procede de preparation de polyethers purs - Google Patents

Procede de preparation de polyethers purs

Info

Publication number
BE813605A
BE813605A BE143104A BE143104A BE813605A BE 813605 A BE813605 A BE 813605A BE 143104 A BE143104 A BE 143104A BE 143104 A BE143104 A BE 143104A BE 813605 A BE813605 A BE 813605A
Authority
BE
Belgium
Prior art keywords
preparation process
pure polyethers
polyethers preparation
pure
preparation
Prior art date
Application number
BE143104A
Other languages
English (en)
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 BE813605A publication Critical patent/BE813605A/fr

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE143104A 1973-04-11 1974-04-11 Procede de preparation de polyethers purs BE813605A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732318107 DE2318107A1 (de) 1973-04-11 1973-04-11 Verfahren zur herstellung von reinen polyalkylenaethern

Publications (1)

Publication Number Publication Date
BE813605A true BE813605A (fr) 1974-10-11

Family

ID=5877657

Family Applications (1)

Application Number Title Priority Date Filing Date
BE143104A BE813605A (fr) 1973-04-11 1974-04-11 Procede de preparation de polyethers purs

Country Status (4)

Country Link
BE (1) BE813605A (fr)
CA (1) CA1024166A (fr)
DE (1) DE2318107A1 (fr)
FR (1) FR2225468A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584414A (en) * 1984-12-21 1986-04-22 E. I. Du Pont De Nemours And Company Process for preparing improved poly(tetramethylene ether) glycol by alcoholysis

Also Published As

Publication number Publication date
FR2225468A1 (en) 1974-11-08
DE2318107A1 (de) 1974-11-07
FR2225468B3 (fr) 1977-02-18
CA1024166A (fr) 1978-01-10

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