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    • 8. 发明公开
    • UTILISATION DE REVETEMENTS A BASE DE DISPERSIONS AQUEUSES DE POLYMERE A STRUCTURE COEUR/ECORCE POUR LE CAPTAGE DE COMPOSES ORGANIQUES VOLATILS COMME LES ALDEHYDES
    • 利用改造基础DE DISPERSIONS AQUEUSES DE POLYMERE结构COEUR / ECORCE POUR LE CAPTAGE DE COMPOSES ORGANIQUES VOLATILS COMME LES ALDEHYDES
    • EP3237093A1
    • 2017-11-01
    • EP15817469.8
    • 2015-12-03
    • Arkema France
    • BOONE, AlainROIDOT, ChantalBEURDELEY, PatriciaFOURNIER, Frédéric
    • B01D53/02C08F2/24
    • B01D53/02B01D2253/202B01D2257/708C08F2/24C08F265/06Y02A50/235
    • The invention concerns the use of an aqueous polymer dispersion having core/shell structure particles with an FFT ranging from 0 to 50°C, the polymer phase P1 being a hard core with a Tg1 of 60 to 120°C and the polymer phase P2 being a soft shell with a Tg2 of -20 to 40°C, in which P1 comprises a monomer M1 with two polymerisable ethylenic unsaturations and an ethylenically unsaturated monomer M2 carrying a carboxylic acid/anhydride functional group, and P2, representing 40 to 85% by weight of P1 + P2, comprises, in the structure of same, units from at least one monomer M3 carrying a polymerisable ethylenic unsaturation and also a ureido functional group or a functional group having a mobile alpha-hydrogen of a ketonic carbonyl, said use being for the irreversible capturing and trapping of a volatile organic compound carrying an aldehyde, ketone or amine functional group. More particularly, said use concerns the polymer from said dispersion in the form of a film or coating.
    • 本发明涉及具有0至50℃的FFT的具有核/壳结构颗粒的聚合物水分散体的用途,聚合物相P1是Tg1为60至120℃的硬核,并且聚合物相P2为 Tg为-20至40℃的软壳,其中P1包含具有两个可聚合的烯属不饱和度的单体M1和具有羧酸/酸酐官能团的烯属不饱和单体M2,P2包含40-85%的 重量的P1 + P2在其结构中包含来自至少一种携带可聚合烯属不饱和基团的单体M3以及脲基官能团或具有酮羰基的可移动α-氢的官能团的单元,所述用途为 用于不可逆地捕获和捕获携带醛,酮或胺官能团的挥发性有机化合物。 更具体地说,所述用途涉及来自所述分散体的聚合物形式的膜或涂层。