Abstract: Coating compositions and processes for coating wood and wood materials are described. The compositions comprise a first component comprising at least one reactive thinner and at least one unsaturated polyester, and a second component comprising a curing catalyst. The unsaturated polyester of the first component is the reaction product of: (a) a mixture of at least one saturated aliphatic dicarboxylic acid with 6 to 10 carbon atoms and at least one ethylenically unsaturated aliphatic dicarboxylic acid selected from maleic acid, fumaric acid, itaconic acid, citraconic acid, and mixtures thereof; (b) a diol component consisting of at least one of 1,4-dimethylolcyclohexane and substituted dimethylolcyclohexanes, with up to 50 mol % monomeric or oligomeric glycol, based on total moles of the diol component; and (c) up to 10 mol % of a polyol, based on total moles of polyester reactants. The compositions and processes of the invention result in coatings with improved hardness and aged cold crack resistance.

Abstract: The present invention is directed to a beam-curable coating composition for coating glass surfaces, particularly, optical glass fibers. The resultant coatings show slight or no loss of adhesion after exposure to moisture. The coating composition includes ethylenically unsaturated polyurethane, ethylenically unsaturated monomer, photoinitiator and a silane compound. The silane compound is an azidosilane and is added to improve adhesion of the coating agents exposed to moisture. Optionally, aminoalkoxysilanes may also be included.

Abstract: The present invention relates to acid-curing aqueous coating compositions, in particular for the coating of veneer films and continuous edges, containing an amino resin and a hydroxyl-containing polyester.

Abstract: The present invention relates to acid-curing aqueous coating compositions, in particular for the coating of finish sheeting and continuous edging, which contain aminoplast resin and hydroxyl-containing polyesters, wherein the polyester is prepared froma) 33 to 55 mol % of a dicarboxylic acid component obtained froma.sub.1) 50 to 100 mol % of olefinically unsaturated aliphatic dicarboxylic acidsa.sub.2) 0 to 50 mol % of saturated aliphatic dicarboxylic acidsa.sub.3) 0 to 50 mol % of saturated aliphatic dicarboxylic acids andb) 67 to 45 mol % of a polyol component obtained fromb.sub.1) 20 to 90 mol % of at least one monomeric and/or oligomeric glycol having 2 to 4 carbon atoms per glycol segment and number average molecular weights smaller than 200b.sub.2) 5 to 30 mol % of at least one polymeric glycol having 2 to 4 carbon atoms per glycol segment and a number average molecular weight between 300 and 1000 andb.sub.

Abstract: The present invention relates to a liquid, radiation-curable coating composition for the coating of glass surfaces which comprisesA) 56 to 89% by weight of at least one diethylenically unsaturated polyurethane optionally containing urea groups,B) 3 to 30% by weight of at least one ethylenically unsaturated monomer,C) 0.5 to 8% by weight of at least one photoinitiator andD) 0.05 to 6% by weight of an alkoxysilane,the sum total of the components A to D being 100% by weight in each case.The coating composition uses1.) one or more ethylenically unsaturated monomers containing carboxyl groups, optionally together with other ethylenically unsaturated monomers as the component B and2.) an alkoxysilane containing epoxide groups as the component D.These coating compositions are employed for the coating of glass surfaces, in particular of optical glass fibers, and are distinguished by good adhesion even under humid conditions.