NO882283L - PROCEDURE FOR THE MANUFACTURE OF Rigid PLASTIC FOAM. - Google Patents

PROCEDURE FOR THE MANUFACTURE OF Rigid PLASTIC FOAM.

Info

Publication number
NO882283L
NO882283L NO882283A NO882283A NO882283L NO 882283 L NO882283 L NO 882283L NO 882283 A NO882283 A NO 882283A NO 882283 A NO882283 A NO 882283A NO 882283 L NO882283 L NO 882283L
Authority
NO
Norway
Prior art keywords
contg
pref
polyisocyanate
procedure
manufacture
Prior art date
Application number
NO882283A
Other languages
Norwegian (no)
Other versions
NO882283D0 (en
Inventor
O Dueber
B Eling
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Publication of NO882283D0 publication Critical patent/NO882283D0/en
Publication of NO882283L publication Critical patent/NO882283L/en

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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • 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
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal compounds
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

A method is claimed for prepn. of rigid foams comprising reacting under foam forming conditions: a) a polymethylene polyphenyl polyisocyanate compsn. (I) contg. not more than 20 (pref. less than 15)wt. % diisocyanates and not more than 20 (pref. less than 10)wt. % polyisocyanates contg. more than 5 NCO gps. per mol.; with b) a polyfunctional active H cpd. Pref. the reaction is carried out wtih greater than a stoichiometric amount of (I) in the presence of a trimerisation catalyst. Also claimed is a polyisocyanate compsn. contg. 0-20 wt. % diisocyanate, 40-80 wt. % triisocyanate, 5-25 wt. % tetra/pentaisocyanate and not more than 20 wt. % polyisocyanate, and wherein the NCO value is 32-33.3 wt. %.
NO882283A 1987-05-26 1988-05-25 PROCEDURE FOR THE MANUFACTURE OF Rigid PLASTIC FOAM. NO882283L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878712364A GB8712364D0 (en) 1987-05-26 1987-05-26 Rigid foams

Publications (2)

Publication Number Publication Date
NO882283D0 NO882283D0 (en) 1988-05-25
NO882283L true NO882283L (en) 1988-11-28

Family

ID=10617928

Family Applications (1)

Application Number Title Priority Date Filing Date
NO882283A NO882283L (en) 1987-05-26 1988-05-25 PROCEDURE FOR THE MANUFACTURE OF Rigid PLASTIC FOAM.

Country Status (10)

Country Link
KR (1) KR970002520B1 (en)
AT (1) ATE94182T1 (en)
CA (1) CA1322816C (en)
DK (1) DK289088A (en)
FI (1) FI882485A (en)
GB (1) GB8712364D0 (en)
HK (1) HK1001692A1 (en)
NO (1) NO882283L (en)
NZ (1) NZ224659A (en)
PT (1) PT87571B (en)

Also Published As

Publication number Publication date
PT87571B (en) 1992-12-31
NO882283D0 (en) 1988-05-25
GB8712364D0 (en) 1987-07-01
KR970002520B1 (en) 1997-03-05
DK289088A (en) 1988-11-27
DK289088D0 (en) 1988-05-26
HK1001692A1 (en) 1998-07-03
PT87571A (en) 1989-05-31
FI882485A0 (en) 1988-05-26
KR880014023A (en) 1988-12-22
FI882485A (en) 1988-11-27
CA1322816C (en) 1993-10-05
ATE94182T1 (en) 1993-09-15
NZ224659A (en) 1990-08-28

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