Impact resistant blends of polar thermoplastic polymers and...

Details Impact resistant blends of polar thermoplastic polymers and... Impact resistant blends of polar thermoplastic polymers and...

C - Chemistry, Metallurgy

08

L

400/3002

C08L 53/00 (2006.01) C08F 287/00 (2006.01) C08L 51/00 (2006.01) C08L 77/00 (2006.01) C08L 101/02 (2006.01) C08L 101/08 (2006.01)

Patent

CA 1326720

A B S T R A C T IMPACT RESISTANT BLENDS OF POLAR THERMOPLASTIC POLYMERS AND MODIFIED BLOCK COPOLYMERS A multiphase thermoplastic composition is provided by incorporating at least one polar thermoplastic polymer with at least one functionalized, selectively hydrogenated alkenyl arene/conjugated diene block copolymer to which has been grafted an effective amount of carboxyl functional groups primarily in the alkenyl arene blocks thereof. The carboxyl functional groups may be in the form of carboxylic acids, their salts and esters, and combinations thereof. The rubbery compositions of the present invention possess improved tensile strength, high temperature mechanical properties and oil resistance.

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