Cellular plastic material based on phenolic resin
AssigneeKingspan Industrial Insulation Limited
InventorsMark Stanley Harris, Vincent Coppock, Norman Ryder, Graham Morgan Edgerley
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Abstract
A resin mixture for forming a stable closed cell foam contains a phenolic resole, a chain extending agent, and as curing agents, a base, and an ester and/or an aliphatic carbonate. The chain extending agent is especially an epoxy resin and/or a phenolic novalak resin.
Claims35
A resin mixture for forming a cellular plastic foam, the resin mixture comprising a phenolic resole, an epoxy resin, a phenolic novalak resin, and as curing agents, a base, and an ester and/or an aliphatic carbonate.
A resin mixture for forming a stable closed cell foam, the resin mixture comprising a phenolic resole, an epoxy resin, a phenolic novalak resin, and as curing agents, a base, and an ester and/or an aliphatic carbonate.
Dependencies are inferred from the claim text.