Polyester/polycarbonate blends having improved clarity and impac

Details Polyester/polycarbonate blends having improved clarity and impac Polyester/polycarbonate blends having improved clarity and impac

1991-05-30

1993-03-16

Short, Patricia A.

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

Synthetic resins

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

525466, C08L 6702, C08L 6900

Patent

active

051945231

ABSTRACT:
Disclosed are clear thermoplastic molding compositions comprising an aromatic polycarbonate, a polyester of terephthalic acid and 1,4-cyclohexanedimethanol, and the copolymeric transesterification product of the polycarbonate and polyester.

REFERENCES:
patent: 4188314 (1980-02-01), Fox et al.
patent: 4391954 (1983-07-01), Scott
patent: 4559388 (1985-12-01), Liu et al.
patent: 4786692 (1988-11-01), Allen et al.
Research Disclosure 22921, "Compatible Polyester/Polycarbonate Blends", May 1983.
R. N. Mohn, D. R. Paul, J. W. Barlow, and C. A. Cruz, "Polyester-Polycarbonate Blends. III. Polyesters Based on 1,4-Cyclohexanedimethanol/Terephthalic Acid/Isophthalic Acid," Journal of Applied Polymer Science, vol. 23, 1979, pp. 575-587.
E. V. Gouinlock, R. A. Wolfe, and J. C. Rosenfeld, "Copolyester Sequence Distribution by 60, 100, and 220 MHz PMR", Journal of Applied Polymer Science, vol. 20, 1976, pp. 949-958.
J. Devaux, P. Godard, and J. P. Mercier, "Bisphenol-A Polycarbonate-Poly(butylene Terephthalate) Transesterification. II Structure Analysis of the Reaction Products by IR and .sup.1 H and .sup.13 CNMR," Journal of Polymer Science: Polymer Physics Edition, vol. 20, 1982, 1881-1894.
Elastomerics, May 1977, "Antioxidants in Compounding", C. R. Parks and R. B. Spacht.

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