PT87571B - Processo para a preparacao de espumas polimericas rigidas derivadas de composicoes de poli-isocianato de polimetileno polifenilico - Google Patents

Processo para a preparacao de espumas polimericas rigidas derivadas de composicoes de poli-isocianato de polimetileno polifenilico Download PDF

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Publication number
PT87571B
PT87571B PT87571A PT8757188A PT87571B PT 87571 B PT87571 B PT 87571B PT 87571 A PT87571 A PT 87571A PT 8757188 A PT8757188 A PT 8757188A PT 87571 B PT87571 B PT 87571B
Authority
PT
Portugal
Prior art keywords
weight
process according
polyisocyanate
less
content
Prior art date
Application number
PT87571A
Other languages
English (en)
Portuguese (pt)
Other versions
PT87571A (pt
Inventor
Berend Eling
Q Dueber
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 PT87571A publication Critical patent/PT87571A/pt
Publication of PT87571B publication Critical patent/PT87571B/pt

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)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
PT87571A 1987-05-26 1988-05-25 Processo para a preparacao de espumas polimericas rigidas derivadas de composicoes de poli-isocianato de polimetileno polifenilico PT87571B (pt)

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
PT87571A PT87571A (pt) 1989-05-31
PT87571B true PT87571B (pt) 1992-12-31

Family

ID=10617928

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87571A PT87571B (pt) 1987-05-26 1988-05-25 Processo para a preparacao de espumas polimericas rigidas derivadas de composicoes de poli-isocianato de polimetileno polifenilico

Country Status (9)

Country Link
KR (1) KR970002520B1 (de)
AT (1) ATE94182T1 (de)
CA (1) CA1322816C (de)
DK (1) DK289088A (de)
FI (1) FI882485A7 (de)
GB (1) GB8712364D0 (de)
NO (1) NO882283L (de)
NZ (1) NZ224659A (de)
PT (1) PT87571B (de)

Also Published As

Publication number Publication date
CA1322816C (en) 1993-10-05
FI882485L (fi) 1988-11-27
NO882283L (no) 1988-11-28
PT87571A (pt) 1989-05-31
KR880014023A (ko) 1988-12-22
ATE94182T1 (de) 1993-09-15
FI882485A0 (fi) 1988-05-26
FI882485A7 (fi) 1988-11-27
GB8712364D0 (en) 1987-07-01
NO882283D0 (no) 1988-05-25
NZ224659A (en) 1990-08-28
HK1001692A1 (en) 1998-07-03
DK289088A (da) 1988-11-27
KR970002520B1 (ko) 1997-03-05
DK289088D0 (da) 1988-05-26

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19920630

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19931231