Patent ID: 11878441

Abstract:
The present inversion provides a low corrosion external release agent for ligno-cellulose composite panels comprising two or more anionic surfactants selected from the following groups where at least one of the anionic surfactants is selected from a) or b):an ethoxylated phosphate ester or a salt thereof having the formulawherein,R, R1 and R2 are independently selected from the group consisting of H, and C6-C30 alkyl having an average of 1-20 moles of ethoxylation,with the proviso that at least one of R, R1 and R2 is H and the other one or two of R, R1 and R2 is C6-C30 alkyl haying an average of 1-20 moles of ethoxylation, andb) a phosphate ester or a salt thereof haying the formula.wherein,R3, R4 and R5 are independently selected from the group consisting of H, and C6-C18 alkyl Chain,with the proviso that at least one of R3, R4 and R5 is H and the other one or two of R3, R4 and R5 is C6-C18 alkyl chain, andc) an organic sulfur containing anionic surfactant or a salt thereof.