Patent ID: 7074861
Filing Date: 2006-07-11
Classification: C08G

Abstract:
1. A modified resorcinol resin prepared by a process comprising reacting a phenolic compound with (1) an olefinically unsaturated compound selected from the group consisting of styrene, α-methyl styrene, p-methyl styrene, α-chloro styrene, divinyl benzene, vinyl naphthalene, indene, and vinyl toluene, and (2) formaldehyde and (3) with an alkyl aldehyde having at least 4 carbon atoms, wherein the molar ratio of the phenolic compound to the formaldehyde is from about 1:0.2 to about 1:0.4, the molar ratio of the phenolic compound to the alkyl aldehyde is from about 1:0.1 to about 1:0.45, and the molar ratio of the alkyl aldehyde to formaldehyde is from about 0.5:1 to about 2:1 and wherein the modified resorcinol resin has a softening point between 80° C. and 150° C.