FR2225464A1 - Polyformals of aliphatic diols prepn. - eliminating acid catalyst residues, as polyurethane prepolymers inters - Google Patents

Polyformals of aliphatic diols prepn. - eliminating acid catalyst residues, as polyurethane prepolymers inters

Info

Publication number
FR2225464A1
FR2225464A1 FR7413079A FR7413079A FR2225464A1 FR 2225464 A1 FR2225464 A1 FR 2225464A1 FR 7413079 A FR7413079 A FR 7413079A FR 7413079 A FR7413079 A FR 7413079A FR 2225464 A1 FR2225464 A1 FR 2225464A1
Authority
FR
France
Prior art keywords
acid catalyst
polyformals
inters
prepn
aliphatic diols
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.)
Granted
Application number
FR7413079A
Other languages
English (en)
French (fr)
Other versions
FR2225464B3 (es
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 FR2225464A1 publication Critical patent/FR2225464A1/fr
Application granted granted Critical
Publication of FR2225464B3 publication Critical patent/FR2225464B3/fr
Granted 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
FR7413079A 1973-04-16 1974-04-12 Polyformals of aliphatic diols prepn. - eliminating acid catalyst residues, as polyurethane prepolymers inters Granted FR2225464A1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2225464A1 true FR2225464A1 (en) 1974-11-08
FR2225464B3 FR2225464B3 (es) 1977-02-18

Family

ID=23381903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413079A Granted FR2225464A1 (en) 1973-04-16 1974-04-12 Polyformals of aliphatic diols prepn. - eliminating acid catalyst residues, as polyurethane prepolymers inters

Country Status (8)

Country Link
JP (1) JPS5012185A (es)
AR (1) AR201763A1 (es)
BE (1) BE813791A (es)
BR (1) BR7402969D0 (es)
DE (2) DE2416220A1 (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
DE2416220A1 (de) 1974-10-31
BR7402969D0 (pt) 1974-12-03
DE2433020A1 (de) 1975-01-02
JPS5012185A (es) 1975-02-07
AR201763A1 (es) 1975-04-15
BE813791A (fr) 1974-10-16
FR2225464B3 (es) 1977-02-18
NL7404810A (es) 1974-10-18
IT1005962B (it) 1976-09-30

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Legal Events

Date Code Title Description
ST Notification of lapse