Internationale Octrooi Maatschappij 'Octropa' Bv

Dsm Resins B.v.

Waltherus J Sep

Dick A Pons

Wilhelmina Westerhof

Adam Huijsman

Johannes B Van Hout

Jacob J Prooi

The invention relates to a composition based on an aqueous dispersion of an addition polymer of one or more olefinically unsaturated monomers, emulsion stabilizers and/or emulsifiers and a silicon compound. The addition polymer comprises monomer units containing acid groups and the silicon compound used is an epoxysilane with the formula ##STR1## where R=epoxyalkyl (C.sub.1 -C.sub.4),

Composition based on an aqueous dispersion of an addition polymer

The invention provides novel curable unsaturated polyester compositions comprising an unsaturated polyester, a reactive copolymerizable monomer, a paraffin wax as an evaporation-reducing agent and as an adhesion promotor a compound, containing 10-30 carbon atoms, of the class consisting of alkylaromatic, alkenylaromatic, alkylolaromatic compounds or an alcohol.

Unsaturated polyester compositions and their use

The invention provides unsaturated polyester compositions which can be cured to form flexible objects, which compositions comprise terminal 1,2-alkene dicarboxylic acid in an amount of 1-25, preferably 3-15 mol-percent, calculated on the total amount of dicarboxylic acid, and 1-8, preferably 2.5-6 mol-percent of the dicarboxylic acids in the chain of the polyester consists of trans-1,2-alkene dicarboxylic acid.

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Doorn, Netherlands

Waltherus J Sep