JP2584955B

A process of the preparation of the modified polyisocyanurate foams provided by a reaction of a polyisocyanate with a polyol composition mixture comprising a polyol, water, a trimerization catalyst, a carbodiimide catalyst, and an aromatic compound used as a chain extender. An amount of the aromatic...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIDA NOBORU, NAKAMURA SATOSHI, MORIMOTO KYOTAKE, MATSUMOTO MORIHIRO
Format: Patent
Sprache:eng
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Zusammenfassung:A process of the preparation of the modified polyisocyanurate foams provided by a reaction of a polyisocyanate with a polyol composition mixture comprising a polyol, water, a trimerization catalyst, a carbodiimide catalyst, and an aromatic compound used as a chain extender. An amount of the aromatic compound used in the preparation is 0.5 to 10.0 % by weight with respect to a total weight of the polyisocyanate and the polyol mixture.