Method for producing a thermoplastic coating and articles...

B - Operations – Transporting – 05 – D

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B05D 1/26 (2006.01) B05D 1/30 (2006.01) B05D 5/10 (2006.01) B32B 7/12 (2006.01) B32B 27/08 (2006.01) C09J 5/06 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2310605

This invention relates to a non-contact coating method for producing a substantially continuous coating and articles constructed therefrom. This invention further relates to a non-contact slot coating method for producing a variety of coatings and laminations. This invention particularly relates to a method of coating a non-porous substrate including film, foil and paper with a molten thermoplastic composition which reduces streaking caused by particles such as impurities, fillers and superabsorbent polymers. This invention further relates to thermoplastic compositions useful in the present non- contact coating method.

L'invention se rapporte à un procédé de revêtement sans contact permettant de fabriquer un revêtement sensiblement continu et à des articles comportant un tel revêtement. Cette invention se rapporte également à un procédé de revêtement par fente, sans contact, qui permet de fabriquer une variété de revêtements et d'articles stratifiés. L'invention se rapporte particulièrement à un procédé de revêtement d'un substrat non poreux du type film, feuille métallique et papier avec une composition thermoplastique fondue, qui réduit le risque de formation de rayures provoquées par des particules telles que des impuretés, des charges et des polymères superabsorbants. Cette invention se rapporte à des compositions thermoplastiques utilisées par le procédé de revêtement sans contact décrit ci-dessus.

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