| abstract |
The invention provides thermoplastic polymer composition and use the products formed of this thermoplastic polymer composition, the flexibility of described thermoplastic polymer composition, mechanical characteristic, molding processibility and especially excellent heat resistance, even and if do not implement prime treatment etc. and can be adhered to pottery, metal or synthetic resins under low temperature (such as less than 190 DEG C) yet.Particularly, thermoplastic polymer composition is provided, wherein, relative to thermoplastic elastomer (A) 100 mass parts as segmented copolymer or its hydride, polypropylene-based resin (C) 5 ~ 100 mass parts containing polyvinyl acetal resin (B) 1 ~ 100 mass parts, polar functionalities, described segmented copolymer have containing aromatic ethenyl compound unit polymer blocks, with containing 1,2-key amount and 3,4-key amount add up to the isoprene unit of more than 40 % by mole, the polymer blocks of butadiene unit or isoprene/butadiene unit. |