Resin compositions for wrinkle pattern paints

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 33/06 (2006.01) C08K 13/02 (2006.01) C09D 5/28 (2006.01) C09D 7/12 (2006.01) C09D 133/06 (2006.01)

Patent

CA 2716408

A resin composition which contains (A) hydroxyl group containing acrylic resin which has a hydroxyl group value of from 5 to 200 mgKOH/g and a number average molecular weight of from 500 to 20,000, (B) hexakisalkoxymethylated melamine resin, (C) de-watering agent, (D) blocked sulfonic acid compound which has been blocked with a tertiary amine compound of boiling point from 50 to 3000C m which the mol ratio with respect to the sulfonic acid is from 0 2 to 0 9, (E) silicate compound and (F) at least one type of material selected from among (a) organic resin particle of average particle diameter not more than 40 µm, (b) inorganic glass particles of average particle diameter not more than 100 &mgr,-m and (c) inorganic fibers of average length not more than 300 &mgr,-m, m which the mass ratio of the (A) component and the (B) component as solid fractions is from 60/40 to 90/10, and per 100 parts by mass as total solid fraction of the (A) component and the (B) component there are from 0 1 to 10 parts by mass as solid fraction of the (C) component, from 0 1 to 5 parts by mass as solid fraction of the (D) component, from 0 5 to 10 parts by mass as solid fraction of the (E) component band from 1 to 30 parts by mass as solid fraction of the (F) component.

Linvention concerne une composition de résine qui contient (A) une résine acrylique contenant un groupe hydroxyle qui a un indice hydroxyle de 5 à 200 mgKOH/g et un poids moléculaire moyen en nombre de 500 à 20 000, (B) une résine mélamine hexakisalcoxyméthylée, (C) un agent dassèchement, (D) un composé dacide sulfonique bloqué qui a été bloqué avec un composé damine tertiaire dun point débullition de 50 à 300 °C, son rapport molaire avec lacide sulfonique étant de 0,2 à 0,9, (E) un composé de silicate et (F) au moins un type de matériau choisi parmi (a) des particules de résine organiques dun diamètre de particule moyen inférieur ou égal à 40 µm, (b) des particules de verre inorganiques dun diamètre de particule moyen inférieur ou égal à 100 &mgr,-m et (c) des fibres inorganiques dune longueur moyenne inférieure ou égale à 300 &mgr,-m, le rapport molaire entre le composant (A) et le composant (B) sous la forme de fractions solides étant de 60/40 à 90/10, et de 0,1 à 10 parties en masse du composant (C) sous la forme dune fraction solide, de 0,1 à 5 parties en masse du composant (D) sous la forme dune fraction solide, de 0,5 à 10 parties en masse du composant (E) sous la forme dune fraction solide et de 1 à 30 parties en masse du composant (F) sous la forme dune fraction solide étant présentes pour 100 parties en masse du composant (A) et du composant (B) sous la forme dune fraction solide totale.

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