Resin composition and method for producing the same

Details Resin composition and method for producing the same Resin composition and method for producing the same

2005-07-26

2005-07-26

Cheung, William K. (Department: 1713)

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...

C524S557000, C524S612000, C524S779000, C524S787000

Reexamination Certificate

active

06921790

ABSTRACT:
The present invention is directed to a resin composition superior in barrier properties and also superior in flexibility, secondary processability and interlayer adhesiveness. The present invention is also directed to an environmentally friendly method for producing a resin composition, the method releasing no carboxylic acid such as acetic acid to the peripheral environment. The invention provides an EVOH resin composition (F) which has a content of an alkali metal salt (A), in terms of the alkali metal, of 0.1 to 20 μmol/g and a content of a carboxyl acid or its salt (C), in terms of carboxylate radical, of 2 μmol/g or less and which has an ethylene content of 5 to 60 mol % and a saponification degree of from 80 to 99 mol %. In addition, the invention provides a resin composition comprising the EVOH resin composition (F) and an EVOH having an ethylene content of 5 to 60 mol % and a degree of saponification of 99.2 to 100 mol %.

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U.S. Appl. No. 10/895,832, filed Jul. 22, 2004, Shindome et al.
U.S. Appl. No. 10/895,819, filed Jul. 22, 2004, Nakano et al.

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