Polyamide resins with good toughness properties

Details Polyamide resins with good toughness properties Polyamide resins with good toughness properties

C - Chemistry, Metallurgy

08

G

400/2016

C08G 69/44 (2006.01) C08G 18/34 (2006.01) C08G 18/42 (2006.01)

Patent

CA 1318422

ABSTRACT Disclosed is a novel class of linear segmented non-elastomeric thermoplastic polyesteramides. The polymers are easily obtained by reacting a carboxylic acid-terminated prepolymer (derived by reacting at least a two molar proportion of a dicarboxylic acid with a polymeric diol of molecular weight 400 to 6000) with a dicarboxylic acid and a diisocyancate. The polymers so obtained have nylon-like prop- erties, particularly nylon 11 or 12, but are distinguished from these nylons by superior high temperature properties. At the same time, they have excellent toughness and low water absorption characteristics. 36,632-F

608587

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