DE2416220A1 - Verfahren zur herstellung von polyformalen - Google Patents

Verfahren zur herstellung von polyformalen

Info

Publication number
DE2416220A1
DE2416220A1 DE19742416220 DE2416220A DE2416220A1 DE 2416220 A1 DE2416220 A1 DE 2416220A1 DE 19742416220 DE19742416220 DE 19742416220 DE 2416220 A DE2416220 A DE 2416220A DE 2416220 A1 DE2416220 A1 DE 2416220A1
Authority
DE
Germany
Prior art keywords
prepolymer
polyformal
obtainable
reacting
amount
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
DE19742416220
Other languages
German (de)
English (en)
Inventor
Samuel Kaizerman
Ajaib Singh
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of DE2416220A1 publication Critical patent/DE2416220A1/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
    • C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/56—Polyacetals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
DE19742416220 1973-04-16 1974-04-03 Verfahren zur herstellung von polyformalen Pending DE2416220A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35168073A 1973-04-16 1973-04-16

Publications (1)

Publication Number Publication Date
DE2416220A1 true DE2416220A1 (de) 1974-10-31

Family

ID=23381903

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19742433020 Pending DE2433020A1 (de) 1973-04-16 1974-04-03 Isocyanat-endgruppen aufweisendes polyurethan-vorpolymerisat
DE19742416220 Pending DE2416220A1 (de) 1973-04-16 1974-04-03 Verfahren zur herstellung von polyformalen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19742433020 Pending DE2433020A1 (de) 1973-04-16 1974-04-03 Isocyanat-endgruppen aufweisendes polyurethan-vorpolymerisat

Country Status (8)

Country Link
JP (1) JPS5012185A (es)
AR (1) AR201763A1 (es)
BE (1) BE813791A (es)
BR (1) BR7402969D0 (es)
DE (2) DE2433020A1 (es)
FR (1) FR2225464A1 (es)
IT (1) IT1005962B (es)
NL (1) NL7404810A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0749260B2 (ja) * 1989-02-09 1995-05-31 周吾 不破 車輌修正用架台
JPH0717607Y2 (ja) * 1989-10-06 1995-04-26 周吾 不破 自動車固定用レールと固定子
DE4104199A1 (de) * 1991-02-12 1992-08-13 Basf Ag Verfahren zur herstellung von polyurethan-elastomeren und hierfuer geeignete mischungen aus polyoxybutylen-polyoxyalkylen-glykolen und glycidylverbindungen

Also Published As

Publication number Publication date
FR2225464B3 (es) 1977-02-18
IT1005962B (it) 1976-09-30
DE2433020A1 (de) 1975-01-02
AR201763A1 (es) 1975-04-15
BR7402969D0 (pt) 1974-12-03
JPS5012185A (es) 1975-02-07
NL7404810A (es) 1974-10-18
FR2225464A1 (en) 1974-11-08
BE813791A (fr) 1974-10-16

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