CA1105187A - Procede de polymerisation de la formaldehyde - Google Patents

Procede de polymerisation de la formaldehyde

Info

Publication number
CA1105187A
CA1105187A CA263,536A CA263536A CA1105187A CA 1105187 A CA1105187 A CA 1105187A CA 263536 A CA263536 A CA 263536A CA 1105187 A CA1105187 A CA 1105187A
Authority
CA
Canada
Prior art keywords
polymer
polyoxymethylene
formaldehyde
parts
catalyst
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
CA263,536A
Other languages
English (en)
Inventor
Pierino Radici
Paolo Colombo
Gaudenzio Bianchi
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.)
Societa Italiana Resine SpA SIR
Original Assignee
Societa Italiana Resine SpA SIR
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 Societa Italiana Resine SpA SIR filed Critical Societa Italiana Resine SpA SIR
Application granted granted Critical
Publication of CA1105187A publication Critical patent/CA1105187A/fr
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
    • C08G2/08—Polymerisation of formaldehyde
    • 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

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)
  • Polyesters Or Polycarbonates (AREA)
CA263,536A 1975-10-30 1976-10-15 Procede de polymerisation de la formaldehyde Expired CA1105187A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT28814-A/75 1975-10-30
IT2881475A IT1043748B (it) 1975-10-30 1975-10-30 Procedimente per la polimerizzazione della formaldeide

Publications (1)

Publication Number Publication Date
CA1105187A true CA1105187A (fr) 1981-07-14

Family

ID=11224240

Family Applications (1)

Application Number Title Priority Date Filing Date
CA263,536A Expired CA1105187A (fr) 1975-10-30 1976-10-15 Procede de polymerisation de la formaldehyde

Country Status (5)

Country Link
CA (1) CA1105187A (fr)
DE (1) DE2649800C2 (fr)
GB (1) GB1522879A (fr)
IT (1) IT1043748B (fr)
NL (1) NL7612012A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4015555A1 (fr) 2020-12-18 2022-06-22 Covestro Deutschland AG Procédé de fabrication d'un monol ou d'un polyol comprenant un bloc de polyoxyméthylène
CN114133537B (zh) * 2021-12-10 2023-09-12 开滦（集团）有限责任公司 一种聚甲醛-聚己内酯共聚物及其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1006689B (it) * 1973-12-28 1976-10-20 Sir Soc Italiana Resine Spa Procedimento per la polimerizza zione della formaldeide

Also Published As

Publication number Publication date
IT1043748B (it) 1980-02-29
GB1522879A (en) 1978-08-31
DE2649800A1 (de) 1977-05-18
NL7612012A (nl) 1977-05-03
DE2649800C2 (de) 1985-08-14

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Legal Events

Date Code Title Description
MKEX Expiry