POLYPHENYLENEPOLYMETHYLENE POLYISOCYANATE AND ITS USE FOR PRODUCING POLYURETHANE FOAMS

POLYPHENYLENEPOLYMETHYLENE POLYISOCYANATE AND ITS USE FOR PRODUCING POLYURETHANE FOAMS

The invention relates to polyphenylenepolymethylene polyisocyanates (B) comprising (B1) the 2-ring product of polyphenylenepolymethylene polyisocyanate (B2) the 3-ring product of polyphenylenepolymethylene polyisocyanate (B3) the 4-ring product of polyphenylenepolymethylene polyisocyanate (B4) the 5...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MURRAR IMBRIDT, REESE HANS JUERGEN, FRITZ RALF, CABRERA ANDRES, GUSCHEL BAERBEL, MAGG BIRGIT
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:The invention relates to polyphenylenepolymethylene polyisocyanates (B) comprising (B1) the 2-ring product of polyphenylenepolymethylene polyisocyanate (B2) the 3-ring product of polyphenylenepolymethylene polyisocyanate (B3) the 4-ring product of polyphenylenepolymethylene polyisocyanate (B4) the 5-ring product of polyphenylenepolymethylene polyisocyanate, wherein the constituents (B2), (B3) and (B4) are, at a content of (B1) up to 55% by weight, based on the weight of (B), present in a weight ratio of (B2) : (B3) : (B4) of 8 Œ 4 : 3.5 Œ 1.8 : 1.2 Œ 0.9 and the component (B) comprises at least 85% by weight, based on the weight of the component (B), of the constituents (B1), (B2), (B3) and (B4). ® KIPO & WIPO 2009