Poly(etherimide-carbonate) block copolymers and polymer blends c

Details Poly(etherimide-carbonate) block copolymers and polymer blends c Poly(etherimide-carbonate) block copolymers and polymer blends c

1985-10-04

1987-04-14

Pertilla, Theodore E.

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

Synthetic resins

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

525 67, 525146, 525148, 525394, 525420, 525425, 525430, 525433, C08L 5300

Patent

active

046579770

ABSTRACT:
Novel block copolymers containing polyetherimide and polycarbonate segments are prepared from hydroxy terminated polyetherimide oligomers, a dihydric phenol and phosgene or a phosgene precursor. The segmented block copolymers exhibit improved toughness and are useful as engineering thermoplastics, alone, or in combination with other resins.

REFERENCES:
patent: 3030335 (1962-08-01), Goldberg
patent: 3847867 (1974-11-01), Heath et al.
patent: 4217437 (1980-08-01), Schreckenberg et al.
patent: 4252922 (1981-02-01), Adelmann et al.
patent: 4286075 (1981-08-01), Robeson et al.
patent: 4436839 (1984-03-01), Behnke et al.

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