CA1045741A - Process for the polymerization of formaldehyde - Google Patents

Process for the polymerization of formaldehyde

Info

Publication number
CA1045741A
CA1045741A CA216,756A CA216756A CA1045741A CA 1045741 A CA1045741 A CA 1045741A CA 216756 A CA216756 A CA 216756A CA 1045741 A CA1045741 A CA 1045741A
Authority
CA
Canada
Prior art keywords
polyoxymethylene
copolymer
parts
block
formaldehyde
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
CA216,756A
Other languages
English (en)
French (fr)
Inventor
Pierino Radici
Roberto Croce
Paolo Colombo
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 CA1045741A publication Critical patent/CA1045741A/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
    • C08G2/08—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)
  • Polyamides (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA216,756A 1973-12-28 1974-12-24 Process for the polymerization of formaldehyde Expired CA1045741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3234973A IT1006690B (it) 1973-12-28 1973-12-28 Procedimento per la preparazione e la stabilizzazione dei poliossi metileni

Publications (1)

Publication Number Publication Date
CA1045741A true CA1045741A (en) 1979-01-02

Family

ID=11235279

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,756A Expired CA1045741A (en) 1973-12-28 1974-12-24 Process for the polymerization of formaldehyde

Country Status (6)

Country Link
JP (1) JPS5313476B2 (it)
CA (1) CA1045741A (it)
DE (1) DE2460465C2 (it)
FR (1) FR2256187B1 (it)
GB (1) GB1488171A (it)
IT (1) IT1006690B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1014528B (it) * 1973-12-28 1977-04-30 Sir Soc Italiana Resine Spa Copolimeri a blocchi
JPS5966431U (ja) * 1982-10-25 1984-05-04 山本　英之 歯ブラシ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE558693A (it) * 1952-08-30
NL128011C (it) * 1961-03-29
BE627526A (it) * 1962-01-27
GB1001921A (en) * 1963-07-15 1965-08-18 It Resine Soc Process for polymerising saturated aldehydes
GB1165236A (en) * 1967-06-27 1969-09-24 Charbonnages Ste Chimique Method for Stabilising Polyoxymethylene
JPS4811217B1 (it) * 1970-05-28 1973-04-11

Also Published As

Publication number Publication date
IT1006690B (it) 1976-10-20
DE2460465C2 (de) 1984-08-09
FR2256187A1 (it) 1975-07-25
JPS5098595A (it) 1975-08-05
FR2256187B1 (it) 1979-06-01
JPS5313476B2 (it) 1978-05-10
DE2460465A1 (de) 1975-07-10
GB1488171A (en) 1977-10-05

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