Patent ID: 11898020
Assignee: KINGSPAN HOLDINGS (IRL) LIMITED
Field: Other special machines (Mechanical engineering)
Classification: CPC C | IPC C

Claim 0:
1. A phenolic foam formed by foaming and curing a phenolic resin foamable composition that comprises a phenolic resin, a surfactant, an acid catalyst, a blowing agent comprising a hydrocarbon having 6 carbon atoms or less, and an alkoxy alcohol either (a) having the formula:, wherein n is 0 to 4, and wherein R is a C1 to C6 aliphatic chain, R1 is H or alkyl, or (b) being selected from the group consisting of:
propylene glycol monomethyl ether, propylene glycol monoethyl ether,
propylene glycol monopropyl ether, propylene glycol monobutyl ether,
propylene glycol monopentyl ether, propylene glycol monohexyl ether,
dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether,
dipropylene glycol monopropyl ether, dipropylene glycol monobutyl ether,
dipropylene glycol monopentyl ether, dipropylene glycol monohexyl ether
tripropylene glycol monomethyl ether, tripropylene glycol monoethyl ether,
tripropylene glycol monopropyl ether, tripropylene glycol monobutyl ether,
tripropylene glycol monopentyl ether and tripropylene glycol monohexyl ether;
wherein the foam has a closed cell content of 85% or more as determined according to ASTM D6226, and a density of from 10 kg/m3 or more and 100 kg/m3 or less as measured according to BS EN 1602:2013.