Polyarylate containing blends

Details Polyarylate containing blends Polyarylate containing blends

1980-06-30

1981-08-25

Seccuro, Carman J.

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

Synthetic resins

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

525132, 525151, 525152, 525397, 525438, 525439, 525440, 525444, C08L 6700, C08L 6702, C08L 6708

Patent

active

042860750

ABSTRACT:
Described herein are molding compositions comprising a blend of (a) a polyarylate derived from a dihydric phenol and a mixture of isophthalic acid and terephthalic acid, of which more than about 65 mole percent is terephthalic acid, (b) a polyarylate derived from a dihydric phenol and a mixture of terephthalic acid and isophthalic acid, of which more than about 70 mole percent is isophthalic acid, and (c) at least one thermoplastic polymer compatible therewith. An article molded from these compositions has a good balance of mechanical properties and improved environmental stress crack resistance.

REFERENCES:
patent: 3728416 (1973-04-01), Akin
patent: 3792115 (1974-02-01), Kishikawa et al.
patent: 3792118 (1974-02-01), Kishikawa et al.

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