C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/08 (2006.01) B29C 41/14 (2006.01) B29C 41/22 (2006.01) C08J 7/04 (2006.01) C08L 43/04 (2006.01) C09D 143/04 (2006.01)
Patent
CA 2212861
There are provided powder-free polymer coated rubber articles, particularly rubber gloves, coated with a non-tacky acrylic based emulsion copolymer formed by polymerization of at least one low surface energy monomer, at least one alkyl acrylate and at least one hard monomer. The copolymers are preferably formed by sequential polymerization. This provides improved properties versus the conventional manner for manufacturing rubber gloves involving dipping a mold in the shape of the article to be formed into a coagulant slurry containing calcium nitrate and calcium carbonate.
Articles de caoutchouc revêtus de polymères exempts de poudre, tels qu'en particulier des gants de caoutchouc revêtus d'une émulsion non gluante d'un copolymère à base acrylique formée par polymérisation, d'au moins un monomère à faible énergie superficielle, d'au moins un alkylacrylate et d'au moins d'un monomère dur. On obtient ainsi des performances améliorées par rapport au procédé traditionnel de fabrication des gants de caoutchouc consistant à tremper un moule ayant la forme de l'article dans un bain coagulant contenant du nitrate et du carbonate de calcium.
Avery Dennison Corporation
Fetherstonhaugh & Co.
LandOfFree
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