Thermoplastic polymer composition

Details Thermoplastic polymer composition Thermoplastic polymer composition

1994-04-21

1995-08-29

Short, Patricia A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 64, 525 92B, 525 92C, 525 92F, C08L 5300, C08L 7700

Patent

active

054460921

ABSTRACT:
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.

REFERENCES:
patent: 5216074 (1993-06-01), Imai

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