Liquid de-inking compositions based on polyalkoxylated...

C - Chemistry – Metallurgy – 09 – D

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C09D 9/04 (2006.01) B01F 17/00 (2006.01) D21C 5/02 (2006.01)

Patent

CA 2330779

The invention concerns a liquid de-inking composition comprising at least a surfactant of polyalkoxylated terpenic origin of formula: Z-X-W-[CH(R?5¿)-CH(R?6¿)-O]¿q?-A wherein: Z is a bicycloheptenyl or bicycloheptyl radical, preferably substituted by methyl radicals; X is preferably a -CH¿2?-CH¿2?-O- or -O-CH¿2?-CH¿2?-O- radical; W is a polysequence, preferably polyoxypropylene and polyoxyethylene sequence; [CH(R?5¿)-CH(R?6¿)-O]¿q? is a sequence different from a polyoxyethylene, preferably polyoxypropylene sequence; A is a hydrogen atom, a hydrocarbon or functional group. Said composition can be used for de-inking paper.

La présente invention a pour objet une composition liquide de désencrage comprenant au moins un tensioactif d'origine terpénique polyalcoxylé de formule: Z-X-W-[CH(R5)-CH(R6)-O]q-A dans laquelle: Z est un radical bicycloheptényle ou bicycloheptyle, de préférence substitué par des radicaux méthyles; X est de préférence un radical -CH2-CH2-O- ou -O-CH2-CH2-O-; W est une polyséquence, de préférence polyoxypropylénée et polyoxyéthylénée; [CH(R5)- CH(R6)-O]q est une séquence différente d'une séquence polyoxyéthylénée, de préférence polyoxypropylénée; A est un atome d'hydrogène, un groupe hydrocarboné ou fonctionnel. La présente composition peut être utilisée pour le désencrage du papier.

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