Abstract: The invention relates to an aqueous dispersion of polymer, based on structured polymer particles, said particles comprising a core polymer phase, based on a polymer P1 with Tg1 ranging from 60 to 120° C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from ?60 to 40° C. and a third outer polymer phase (or shell) based on a polymer P3, with a Tg3 ranging from Tg2?5° C. to Tg2+5° C. and having an Mn not exceeding 150 000, with the weight contents of said polymers P1, P2 and P3 being, relative to the total weight of polymer (P1+P2+P3): P1 from 5% to 60%, P2 from 40% to 85%, P3 from 5% to 25% with the sum of said weight contents being 100%.

Abstract: The invention relates to aqueous coating compositions based on an aqueous polymer dispersion as binder, having high performance levels of resistance to stains and dirt without specialist functional monomers. Said aqueous polymer dispersion having an MFFT between 0 and 50° C. comprises polymer particles obtained by emulsion polymerization in at least two steps with at least two polymer phases P1 and P2, P1 representing from 75 to 90% by weight of P1+P2 having a Fox Tg1 from 0 to 40° C. and P2 having a Fox Tg2 from 0 to 40° C., said polymer P2 representing from 10 to 25% by weight of the sum of polymers P1 and P2 and having a calculated Hansch parameter <2.0 and at least one ethylenically unsaturated monomer bearing an acetoacetoxy and/or amine or ureido functional group, said acetoacetoxy and/or amine or ureido functional group being borne by the external surface of P2 phase.

Abstract: The invention relates to aqueous coating compositions based on an aqueous polymer dispersion as binder, having high performance levels of resistance to stains and dirt without specialist functional monomers. Said aqueous polymer dispersion having an MFFT between 0 and 50° C. comprises polymer particles obtained by emulsion polymerization in at least two steps with at least two polymer phases P1 and P2, P1 representing from 75 to 90% by weight of P1+P2 having a Fox Tg1 from 0 to 40° C. and P2 having a Fox Tg2 from 0 to 40° C., said polymer P2 representing from 10 to 25% by weight of the sum of polymers P1 and P2 and having a calculated Hansch parameter <2.0 and at least one ethylenically unsaturated monomer bearing an acetoacetoxy and/or amine or ureido functional group, said acetoacetoxy and/or amine or ureido functional group being borne by the external surface of P2 phase.

Abstract: The invention relates to a crosslinkable or non-crosslinkable aqueous dispersion of polymer, based on structured polymer particles, said particle comprising a core polymer phase, based on a polymer P1 with Tg1 ranging from 60 to 120° C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from ?60 to 40° C. and a third outer polymer phase (or shell) based on a polymer P3, with a Tg3 greater than Tg2 not exceeding 120° C. and having a measured Mn of from 1000 to 150 000, with the weight contents of said polymers P1, P2 and P3 being relative to the total weight of polymer (P1+P2+P3): P1 from 5% to 60%, P2 from 40% to 85%, P3 from 5% to 25% with the sum of said weight contents being 100%.

Abstract: The invention concerns a method comprising the steps of irreversibly capturing and trapping at least one organic volatile compound bearing a function among aldehyde, ketone, or amine, using an aqueous polymer dispersion of core/shell structure particles having an MFFT of 0 to 50° C., with 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. and with P1, comprising a monomer M1 with two polymerisable ethylenic unsaturations and an ethylenically unsaturated monomer M2 bearing a carboxylic acid/anhydride function and P2, representing 40% to 85% by weight of P1+P2 and comprising in its structure units from at least one monomer M3 bearing a polymerisable ethylenic unsaturation and, in addition, a ureido functional group or a functional group having a mobile hydrogen alpha to a ketonic carbonyl.

Abstract: The present invention relates to the use of a polymer from the polymerization of 2-octyl acrylate of renewable origin and optionally at least one other monomer, as a binding agent in or for the production of a coating composition.

Abstract: The invention relates to a crosslinkable or non-crosslinkable aqueous dispersion of polymer, based on structured polymer particles, said particle comprising a core polymer phase, based on a polymer P1 with Tg1 ranging from 60 to 120° C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from ?60 to 40° C. and a third outer polymer phase (or shell based on a polymer P3, with a Tg3 greater than Tg2 not exceeding 120° C. and having a measured Mn of from 1000 to 150 000, with the weight contents of said polymers P1, P2 and P3 being relative to the total weight of polymer (P1+P2+P3): P1 from 5% to 60%, P2 from 40% to 85%, P3 from 5% to 25% with the sum of said weight contents being 100%.

Abstract: The invention relates to an aqueous dispersion of polymer, based on structured polymer particles, said particles comprising a core polymer phase, based on a polymer P1 with Tg1 ranging from 60 to 120° C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from ?60 to 40° C. and a third outer polymer phase (or shell) based on a polymer P3, with a Tg3 ranging from Tg2?5° C. to Tg2+5° C. and having an Mn not exceeding 150 000, with the weight contents of said polymers P1, P2 and P3 being, relative to the total weight of polymer (P1+P2+P3): P1 from 5% to 60%, P2 from 40% to 85%, P3 from 5% to 25% with the sum of said weight contents being 100%.

Abstract: The present invention relates to the use of a polymer from the polymerization of 2-octyl acrylate of renewable origin and optionally at least one other monomer, as a binding agent in or for the production of a coating composition.

Abstract: The present invention relates to an aqueous polymer dispersion, which includes hard/soft Shell structured particles, with the polymer phase of the core P1 having a glass transition temperature Tg1 from 60 to 120° C., the polymer phase of the shell P2 having a glass transition temperature Tg2 from ?20 to 40° C., the minimum film-formation temperature MFFT being from 0 to 50° C., with the phase P1 representing from 1.5 to 60% by weight, with respect to the total weight of P1+P2, the phase P1 including at least one monomer M1 having at least two copolymerizable ethylenic unsaturations and at least one ethylenically unsaturated monomer M2 having at least one carboxylic acid and/or anhydride functional group, the phase P2 being from 40 to 85% by weight of the total weight of P1+P2 and with said phase P2 including: at least one monomer M3 selected from the monomers having, in addition to the polymerizable ethylenic unsaturation, at least one group selected from acetoacetoxy, diacetone, methylol or alkoxysilane.

Abstract: Grafting chlorinated polyolefins with unsaturated monomers (acrylic, styrene, vinyl) in the presence of AIBN used as a free radical-producing trigger yields resins that can be used as solutions, dilutable in water as required, in order to produce films that are hard, transparent, glossy, and adhesive and which are prized, in particular, in the manufacture of compositions used for pigmented or unpigmented coatings such as paints, inks, and adhesive primary coatings.