C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 77/00 (2006.01) C08L 23/08 (2006.01) C08L 77/02 (2006.01) C08L 77/06 (2006.01) C09D 5/03 (2006.01) C09D 177/00 (2006.01)
Patent
CA 2209272
The invention relates to a composition comprising (i) at least one polyamide and at least one copolymer (A) of ethylene with at least a comonomer selected among unsaturated carboxylic acids, the esters of unsaturated carboxylic acids or the vinyl esters of saturated carboxylic acids and (ii) being provided in pulverulent form. Said compositions are then deposited on metal substrates and, by melting, a coating which is very resistant to corrosion is obtained.
L'invention concerne une composition comprenant (i) au moins un polyamide et au moins un copolymère (A) de l'éthylène avec au moins un comonomère choisi parmi les acides carboxyliques insaturés, les esters d'acides carboxyliques insaturés ou les esters vinyliques d'acides carboxyliques saturés et (ii) se présentant sous forme de poudre. Ces compositions sont ensuite déposées sur des substrats métalliques, puis par fusion on obtient un revêtement très résistant à la corrosion.
Julien Olivier
Sage Jean-Marc
Tedoldi Arnaud
Werth Michael
Atofina
Elf Atochem S.a.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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