Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1978-12-18
1980-09-02
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...
260 37PC, 260 40R, 260 4575B, 260 4585T, 525 89, 525 92, 525 98, C08L 6702, C08L 5302, C08L 6900
Patent
active
042207355
ABSTRACT:
Modified thermoplastic polyester compositions are provided which comprise (a) a poly(1,4-butylene terephthalate) resin in combination with a poly(ethylene terephthalate) resin and/or a polyester copolymer and (b) a modifier therefor comprising a combination of a selectively hydrogenated monoalkenyl arene-diene block copolymer resin and an aromatic polycarbonate. The compositions can include (c) reinforcing glass fibers and/or (d) a flame retardant. Modifier (b) provides enhanced resistance to impact fracture, increased strength and improved resistance to heat distortion in articles molded from the compositions.
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Dieck Ronald L.
Wambach Allen D.
General Electric Company
Pertilla Theodore E.
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