DE1770216A1 - Verfahren zur Herstellung von Oxymethylenhomopolymerisaten und -mischpolymerisaten und diese - Google Patents

Verfahren zur Herstellung von Oxymethylenhomopolymerisaten und -mischpolymerisaten und diese

Info

Publication number
DE1770216A1
DE1770216A1 DE19681770216 DE1770216A DE1770216A1 DE 1770216 A1 DE1770216 A1 DE 1770216A1 DE 19681770216 DE19681770216 DE 19681770216 DE 1770216 A DE1770216 A DE 1770216A DE 1770216 A1 DE1770216 A1 DE 1770216A1
Authority
DE
Germany
Prior art keywords
trioxane
molecular weight
atoms
chain transfer
oxygen
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.)
Pending
Application number
DE19681770216
Other languages
German (de)
English (en)
Inventor
Elio Crespi
Leonardo Fiore
Giorgio Nissim
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of DE1770216A1 publication Critical patent/DE1770216A1/de
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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06—Catalysts
    • 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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/04—Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
    • 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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/10—Polymerisation of cyclic oligomers of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
DE19681770216 1967-04-19 1968-04-16 Verfahren zur Herstellung von Oxymethylenhomopolymerisaten und -mischpolymerisaten und diese Pending DE1770216A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1510967 1967-04-19

Publications (1)

Publication Number Publication Date
DE1770216A1 true DE1770216A1 (de) 1971-10-14

Family

ID=11146329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681770216 Pending DE1770216A1 (de) 1967-04-19 1968-04-16 Verfahren zur Herstellung von Oxymethylenhomopolymerisaten und -mischpolymerisaten und diese

Country Status (6)

Country Link
US (1) US3557058A (enExample)
BE (1) BE713841A (enExample)
DE (1) DE1770216A1 (enExample)
FR (1) FR1569924A (enExample)
GB (1) GB1166796A (enExample)
NL (1) NL6805561A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708123A3 (de) * 1994-10-10 1997-10-08 Hoechst Ag Polyacetalformmasse mit niedriger Schmelzviskosität

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959227A (en) * 1973-05-02 1976-05-25 American Cyanamid Company Polyformals having low methylol end-group content and polyurethanes produced therefrom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708123A3 (de) * 1994-10-10 1997-10-08 Hoechst Ag Polyacetalformmasse mit niedriger Schmelzviskosität

Also Published As

Publication number Publication date
US3557058A (en) 1971-01-19
BE713841A (enExample) 1968-10-18
GB1166796A (en) 1969-10-08
FR1569924A (enExample) 1969-06-06
NL6805561A (enExample) 1968-10-21

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