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US 2006/0121224 A1Published application
Article having high barrier property
OwnerMyung Kim, Minki Kim +4inventors
InventorsMyung Kim, Minki Kim, Sehyun Kim, Youngtock Oh, Jaeyong Shin, Youngchul Yang
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Abstract
An article having a barrier property is provided. The article includes a nanocomposite having a barrier property dispersed in a specific form in a polyolefin resin and has a fluorine-coated inner wall to have superior mechanical strength and form a strong barrier to oxygen, organic solvent, and moisture.
Claims17
An article having a barrier property and a fluorine-coated inner wall, prepared from a dry-blended composition comprising:
- 40 to 96 parts by weight of a polyolefin resin;
- 0.5 to 60 parts by weight of a nanocomposite having a barrier property, comprising an intercalated clay and at least one resin having a barrier property selected from the group consisting of an ethylene-vinyl alcohol (EVOH) copolymer, a polyamide, an ionomer and a polyvinyl alcohol (PVA);
- and
- 1 to 30 parts by weight of a compatibilizer.
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A method of manufacturing the article having a barrier property and a fluorine coated inner wall, comprising:
- preparing a nanocomposite composition having a barrier property by dry-blending 40 to 96 parts by weight of a polyolefin resin, 0.5 to 60 parts by weight of a nanocomposite having a barrier property, comprising an intercalated clay and at least one resin having a barrier property selected from the group consisting of an ethylene-vinyl alcohol (EVOH) copolymer, a polyamide, an ionomer and a polyvinyl alcohol (PVA), and 1 to 30 parts by weight of a compatibilizer;
- molding the composition to form an article;
- and
- coating an inner wall of the molded article with fluorine.
1 more element
Dependencies are inferred from the claim text.