C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) B32B 27/30 (2006.01) C08L 29/04 (2006.01)
Patent
CA 2589408
Water-soluble articles such as films, which can be made resistant to contact with small amounts of water, and methods of making the same are disclosed. The water-soluble article is formed from a water-soluble film-forming composition, such as polyvinyl alcohol, and includes a salt that is distributed more closely to at least one of the surfaces than throughout its thickness.
La présente invention concerne des articles solubles dans l'eau tels que des films qui peuvent être rendus résistants au contact avec de petites quantités d'eau, ainsi que des procédés de fabrication de ces articles. L'article hydrosoluble est formé à partir d'une composition filmogène hydrosoluble telle que de l'alcool polyvinylique et il comprend un sel présent davantage sur au moins une des surfaces que dans l'épaisseur de l'article.
Denome Frank W.
Friedrich Steven G.
Verrall Andrew P.
Finlayson & Singlehurst
Monosol Llc
LandOfFree
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