GB921802A - Production of formaldehyde polymers - Google Patents

Production of formaldehyde polymers

Info

Publication number
GB921802A
GB921802A GB24732/61A GB2473261A GB921802A GB 921802 A GB921802 A GB 921802A GB 24732/61 A GB24732/61 A GB 24732/61A GB 2473261 A GB2473261 A GB 2473261A GB 921802 A GB921802 A GB 921802A
Authority
GB
United Kingdom
Prior art keywords
formaldehyde
solvent
hydrazinium
dimethyl
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
GB24732/61A
Other languages
English (en)
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB921802A publication Critical patent/GB921802A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06Catalysts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08Polymerisation of formaldehyde
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/10Polymerisation of cyclic oligomers of formaldehyde
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/18Copolymerisation of aldehydes or ketones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/18Copolymerisation of aldehydes or ketones
    • C08G2/22Copolymerisation of aldehydes or ketones with epoxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/28Post-polymerisation treatments

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB24732/61A 1960-10-21 1961-07-07 Production of formaldehyde polymers Expired GB921802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63983A US3140271A (en) 1960-10-21 1960-10-21 Production of formaldehyde polymers

Publications (1)

Publication Number Publication Date
GB921802A true GB921802A (en) 1963-03-27

Family

ID=22052761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24732/61A Expired GB921802A (en) 1960-10-21 1961-07-07 Production of formaldehyde polymers

Country Status (5)

Country Link
US (1) US3140271A ( )
BE (1) BE606474A ( )
DE (1) DE1158711B ( )
GB (1) GB921802A ( )
NL (1) NL268020A ( )

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475610A (en) * 1945-12-19 1949-07-12 Du Pont Trioxepane and its polymers
DE1037705B (de) * 1952-08-30 1958-08-28 Du Pont Verfahren zur Polymerisation von Formaldehyd
US2841570A (en) * 1953-06-30 1958-07-01 Du Pont Polymerization of formaldehyde
US3017389A (en) * 1955-03-18 1962-01-16 Du Pont Process of controlling the molecular weight of linear formaldehyde polymers
GB793673A (en) * 1955-07-13 1958-04-23 Du Pont Improvements in or relating to the preparation of high molecular weight addition polymers of formaldehyde

Also Published As

Publication number Publication date
DE1158711B (de) 1963-12-05
US3140271A (en) 1964-07-07
BE606474A ( )
NL268020A ( )

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