Thermoplastic resins having excellent thermal resistance and mol

Details Thermoplastic resins having excellent thermal resistance and mol Thermoplastic resins having excellent thermal resistance and mol

1989-06-26

1990-12-25

Short, Patricia

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

Synthetic resins

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

525 35, 525167, 525177, C08G 8100

Patent

active

049804189

ABSTRACT:
Disclosed are thermoplastic resins comprising block copolymers composed of polyester segments and vinyl polymer segments and having excellent thermal resistance and moldability, as well as several processes for preparing same. Among these thermoplastic resins, block copolymers formed of amorphous aromatic polyester segments and polystyrene resin segments are also useful as optical resins.

REFERENCES:
patent: 3291859 (1966-12-01), Tobolsky
patent: 3752802 (1973-08-01), Stephen
patent: 3792118 (1974-02-01), Kishikawa
patent: 4804711 (1989-02-01), Ishihara
Sorenson, W. R., et al., Preparative Methods of Polymer Chemistry, Interscience Publishers NY, pp. 90-92, 137-138, (1968).

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