GB1166796A - Oxymethylene Polymers - Google Patents

Oxymethylene Polymers

Info

Publication number
GB1166796A
GB1166796A GB08265/68A GB1826568A GB1166796A GB 1166796 A GB1166796 A GB 1166796A GB 08265/68 A GB08265/68 A GB 08265/68A GB 1826568 A GB1826568 A GB 1826568A GB 1166796 A GB1166796 A GB 1166796A
Authority
GB
United Kingdom
Prior art keywords
ring
trioxan
oxygen
dioxan
transfer agent
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
GB08265/68A
Other languages
English (en)
Inventor
Leonardo Fiore
Giorgio Nissim
Elio Crespi
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
Montecatini Edison 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, Montecatini Edison SpA filed Critical Montedison SpA
Publication of GB1166796A publication Critical patent/GB1166796A/en
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
    • 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)
GB08265/68A 1967-04-19 1968-04-18 Oxymethylene Polymers Expired GB1166796A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1166796A true GB1166796A (en) 1969-10-08

Family

ID=11146329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08265/68A Expired GB1166796A (en) 1967-04-19 1968-04-18 Oxymethylene Polymers

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)

Families Citing this family (2)

* 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
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
FR1569924A (enExample) 1969-06-06
DE1770216A1 (de) 1971-10-14
NL6805561A (enExample) 1968-10-21

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GB1166796A (en) Oxymethylene Polymers
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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee