Use of selected polyvinyl acetate dispersions for the surface stabilization of sand and/or soil
AssigneeHenkel Kommanditgesellschaft auf Aktien
InventorsWolfgang Ritter, Stephan von Tapavicza, Heinz Muller, Hartmut Busching
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Abstract
A method for the surface stabilization of sand and/or soil is provided. The method is comprised of applying an aqueous polymer dispersion to the surface layer of soil. The aqueous polymer dispersion is comprised of triesters of glycerol with lower aliphatic monocarboxylic acids, citric acid triesters with lower aliphatic monohydric alcohols and/or epoxidized triglycerides of at least partly olefinically unsaturated fatty acids as biodegradable plasticizers in aqueous polyvinyl acetate dispersions.
Claims31
A method for the surface stabilization of soil comprising applying a biodegradable aqueous polymer dispersion to a surface layer of soil, said biodegradable aqueous polymer dispersion comprising a polyvinyl acetate polymer and a biodegradable plasticizer member selected from the group consisting of triesters of glycerol with lower aliphatic monocarboxylic acids, citric acid triesters with lower aliphatic monohydric alcohols, epoxidized triglycerides of at least partly olefinically unsaturated fatty acids, and mixtures of two or more of such members.
A method for the surface stabilization of soil comprising:
- applying a biodegradable aqueous polymer dispersion to a surface layer of soil, said biodegradable aqueous polymer dispersion comprising a polyvinyl acetate polymer at a polymer solids content of about 10 to about 65% by weight of said aqueous polymer dispersion and a biodegradable plasticizer member selected from the group consisting of triesters of glycerol with lower aliphatic monocarboxylic acids, citric acid triesters with lower aliphatic monohydric alcohols, epoxidized triglycerides of at least partly olefinically unsaturated fatty acids, and mixtures of two or more of such members, wherein the ratio by weight of solids of said polyvinyl acetate polymer to said biodegradable plasticizer member is from about 3.3:1 to about 50:1.
Dependencies are inferred from the claim text.