Ethylene vinyl alcohol copolymers containing platelet-type mica

Details Ethylene vinyl alcohol copolymers containing platelet-type mica Ethylene vinyl alcohol copolymers containing platelet-type mica

1987-07-30

1989-04-04

Lilling, Herbert J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524441, 524449, 524503, C08K 334, C08K 308, C08K 310

Patent

active

048187828

ABSTRACT:
A barrier resin composition is disclosed which contains 50 to 95 weight percent ethylene/vinyl alcohol copolymer having a melt flow of 0.1 to 100 g/10 minutes as measured at 210.degree. C. and 50 to 5 weight percent mica having a particle size of less than 74 microns and an aspect ratio of from 10 to 150. The composition can be prepared by melt blending a mixture of the ethylene/vinyl alcohol copolymer and the mica. Alternatively, the composition can be prepared by forming a dispersion of this mica in a solution of the ethylene/vinyl alcohol copolymer followed by precipitating the ethylene/vinyl alcohol copolymer.

REFERENCES:
patent: 4528235 (1985-07-01), Sacks et al.
patent: 4560715 (1985-12-01), Veeda et al.
patent: 4618528 (1986-10-01), Sacks et al.
Derwent Abs. 76-89722X/48 (J51117751), 10-1976, Kuraray.
Derwent Abs. 84-078112/13 (J59029123), 2-1984, Asahi.

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