Arkema France

Cray Valley Sa

Jean-Yves Loze

Isabelle Betremieux

Alain Boone

Jean-Charles Durand

Quentin P Pineau

Reinhard Linemann

Ornella Zovi

Jordi Albalat Perez

Carme Font I Panades

Emilie-A Delattre

Masako Akagi

Olivier Nouguerede

Olivia Allorant

A copolyamide-based powder intended for forming a coating on a surface, having an inherent viscosity of greater than or equal to 0.8 (g/100 g), in which the copolyamide has a melting point of less than or equal to 160° C. Also, the use of such a powder for coating a surface, the coating having an inherent viscosity of greater than or equal to 0.8 (g/100 g), and also a process for coating a surface using such a powder.

Low-melting copolyamide powders

The present invention relates to a self-adhesive powder composition comprising:

Self-adhesive composition for coating metal surfaces

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&#xb0; C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from &#x2212;60 to 40&#xb0; C. and a third outer polymer phase (or shell) based on a polymer P3, with a Tg3 ranging from Tg2&#x2212;5&#xb0; C. to Tg2+5&#xb0; 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%.

Aqueous dispersion of polymer made from multistructured particles for aqueous wall coatings resistant to dirt and wet abrasion

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&#xb0; C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from &#x2212;60 to 40&#xb0; C. and a third outer polymer phase (or shell) based on a polymer P3, with a Tg3 greater than Tg2 not exceeding 120&#xb0; 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%.

Aqueous dispersion of polymer made from multistructured particles for aqueous coatings having improved blocking and fingerprint resistance and hardness

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.

Use of 2-octyl acrylate polymer as a binding agent in a coating composition

The invention concerns an aqueous specific silica-based nanocomposite polymer dispersion, a method for preparing same, a coating composition, in particular protective, containing said dispersion, for applications requiring high anti-corrosive, anti-abrasive and chemical resistance performances. It concerns an aqueous nanocomposite polymer dispersion obtainable by an emulsion polymerization process of at least one monomer composition in the presence of at least one aqueous silica nanoparticle dispersion, said monomer composition being added at least in one step into the reactor already containing the aqueous silica nanoparticle dispersion, said aqueous silica nanoparticle dispersion having an anionic character and being stable in a pH range between 2 to 10, and said emulsion polymerization being performed in the presence of at least one organic initiator free of any ionic group and in the absence of any monomer or cationic dispersant.

Growing community of inventors

Saint-Victor-de-Chretienville, France

Jean-Yves Loze