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US 11,124,642 B1Granted
Ethylene-vinyl alcohol copolymer composition with improved oxygen barrier properties
AssigneeChang Chun Petrochemical Co., Ltd.
InventorsShih Yuan Su, Chih Chieh Liang, Wen Hsin Lin
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Abstract
Provided is an ethylene-vinyl alcohol copolymer composition having improved oxygen barrier properties, wherein the ethylene-vinyl alcohol copolymer composition comprises an ethylene-vinyl alcohol copolymer; and a manganese content of about 0.01 ppm to 0.49 ppm.
Claims15
An ethylene-vinyl alcohol copolymer composition comprising:
- an ethylene-vinyl alcohol copolymer;
- and
- a manganese content of about 0.01 ppm to 0.49 ppm.
An ethylene-vinyl alcohol copolymer composition comprising:
- (a) an ethylene-vinyl alcohol copolymer having an ethylene content of about 24 mole % to about 48 mole %, and a degree of saponification of 99.5 mole % or more;
- (b) a manganese content of about 0.01 ppm to 0.49 ppm;
- (c) a boron content of about 50 ppm to 300 ppm;
- and
- (d) an alkali metal content of about 50 ppm to 400 ppm.
2 more elements
Dependencies are inferred from the claim text.