Polymer dispersion with a cross-linking resin, a method for...

C - Chemistry – Metallurgy – 08 – L

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Details

C08L 31/04 (2006.01) C08F 2/22 (2006.01) C08F 283/00 (2006.01) C08L 61/10 (2006.01) C09D 131/04 (2006.01) C09J 131/04 (2006.01) C08L 61/06 (2006.01)

Patent

CA 2396175

The invention relates to a polymer dispersion which contains water, at least one polymer that has been produced by emulsion polymerisation, at least one protective colloid, at least one water-soluble acidic metallic salt and at least one cross-linking resin that is based on phenol-formaldehyde condensation products, hydroxymethyl-substituted imidazolidinones, such as 1,3- dimethylol-4,5-dihydroxy-imidazolidinone (4,5-dihydroxy-N,N'- dimethylolethylene urea), hydroxymethyl-substituted pyrimidinones, or hydroxymethyl-substituted triazinones or their auto-condensation products, or mixed condensates from two or more of the aforementioned compounds, or a mixture or two or more of the aforementioned compounds.

La présente invention concerne une dispersion de polymère qui contient de l'eau, au moins un polymère produit par polymérisation en émulsion, au moins un colloïde protecteur, au moins un sel métallique acide hydrosoluble et au moins une résine réticulante à base de produits de condensation de phénol-formaldéhyde, d'imidazolidinones substituées par hydroxyméthyle, telles que la 1,3-diméthylol-4,5-dihydroxyimidazolidinone (4,5-dihydroxy-N,N'-diméthyloléthylurée), de pyrimidinones substitués par hydroxyméthyle ou de triazinones substituées par hydroxyméthyle ou leurs produits d'autocondensation, ou bien des condensats mixtes obtenus à partir d'au moins deux composés susmentionnés, ou bien un mélange constitué d'au moins deux des composés susmentionnés.

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