Hot melt adhesive compositions based on polyesters

Details Hot melt adhesive compositions based on polyesters Hot melt adhesive compositions based on polyesters

C - Chemistry, Metallurgy

09

J

400/1606, 400/30

C09J 167/02 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1317045

Abstract of the Disclosure __ Hot melt adhesive compositions comprising: (a) 40-90% by weight of a copolyester having a melting temperature lower than 150°C, obtained from an aromatic dicarboxylic acid, an aliphatic dicar- boxlike acid, and a glycol; (b) 5-55% by weight of an elastomer based on n thermo- plastic segmented copolyester having a melting temperature of at least 100°C, and containing recurring units deriving from polyetherglycol; and (c) 5-55% by weight of a natural or synthetic thermo- plastic resin having a Brookfield viscosity, at 180°C, lower than 25,000 cps.

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