| 摘要 |
<p>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(R6)-O]¿q-A wherein: Z is a bicycloheptenyl or bicycloheptyl radical, preferably substituted by methyl radicals; X is preferably a -CH2-CH2-O- or -O-CH2-CH2-O- radical; W is a polysequence, preferably polyoxypropylene and polyoxyethylene sequence; [CH(R?5)-CH(R6)-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.</p> |
