An unsaturated polyester resin composition

C - Chemistry – Metallurgy – 08 – F

Patent

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C08F 283/01 (2006.01) C08J 7/04 (2006.01) C09D 167/06 (2006.01)

Patent

CA 2296021

An unsaturated polyester resin composition is disclosed, comprising an unsaturated polyester and a monomeric solvent reactive with said polyester, characterised in that the monomeric solvent comprises styrene and hydroxy alkyl acrylate or methacrylate, wherein alkyl is C1 to C4 and wherein the amounts of styrene, hydroxy alkyl (meth)acrylate and unsaturated polyester in said composition comply with the equation (I) in parts by weight. The composition is particularly useful for coating or bonding foamed articles, particularly foamed polystyrene.

Composition de résine de polyester insaturé contenant un polyester insaturé et un solvant monomère réagissant avec ledit polyester, caractérisée par le fait que le solvant monomère est composé de styrène et d'hydroxyalkyle acrylate ou méthacrylate, alkyle étant C¿1? à C¿4?, les quantités de styrène, hydroxyalkyle acrylate ou méthacrylate et de polyester insaturé dans ladite composition correspondant à l'équation (I) en parties en poids. Cette composition est particulièrement utile pour revêtir ou agglomérer des articles en mousse, en particulier, de la mousse de polystyrène.

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