Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1985-01-28
1986-04-22
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...
525230, 525192, 525931, C08L 2724, C08L 3312
Patent
active
045843490
ABSTRACT:
A composition of matter comprising a blend of CPVC having a chlorine content of between about 60% and 66% by weight and a polymethylmethacrylate content of between about 0% and 80% by weight of the blend. The composition of matter displays substantially single, homogeneous phase behavior with the CPVC and polymethylmethacrylate being substantially or completely miscible. Blending of CPVC and polymethylmethacrylate provides a resulting blended polymeric material having enhanced temperature and durability properties. Melt processability of CPVC polymeric material may be enhanced by the inclusion of polymethylmethacrylate to form the blends.
REFERENCES:
patent: 3660538 (1972-05-01), Matsumiya
L. P. McMaster, "Aspects of Polymer-Polymer Thermodynamics" 6 Macromolecules, p. 760 (1973).
E. A. Joseph, et al, 23 Polymer p. 112, (1982).
O. Olabisi, et al, Multiphase Polymers, p. 560 (1978).
J. R. Fried, et al, 50 J. Appl Phys. p. 6052 (1979).
P. R. Couchman, 11 Macromolecules p. 1156 (1978).
D. J. Walsh, et al, 21 Polymer p. 1330 (1980).
D. J. Walsh, et al, 25 Polymer p. 499 (1984).
Ban Woodrow W.
Lindsay James R.
Seccuro Carman J.
The B. F. Goodrich Company
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