Thermoplastic polymer composition

Details Thermoplastic polymer composition Thermoplastic polymer composition

C - Chemistry, Metallurgy

08

L

C08L 53/00 (2006.01) C08L 51/00 (2006.01) C08L 67/02 (2006.01) C08L 75/04 (2006.01) C08L 77/00 (2006.01)

Patent

CA 2121522

A thermoplastic polymer composition comprises: a thermoplastic polymer (a) having polarity on the main chain of the molecule thereof, and a modified block copolymer (b) of a block copolymer comprising: at least one polybutadiene block (B) having a degree of vinylization of not more than 30%, and at least one polymer block (D) comprising units from isoprene and butadiene in a ratio by weight of isoprene/butadiene of 30/70 to 100/0 and having a degree of vinylization of not more than 30%, said polybutadiene block (B) and said polymer block (D) each has a degree of unsaturation of not more than 30%, to said block copolymer a molecular unit containing a carboxyl acid group or derivatives thereof having added, the ratio by weight between said component (a) and said component (b) , (a) / (b) , being in a range of 2/98 to 98/2.

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