Abstract: Straight chain alkylsulphonic acid ethanol- and isopropanol amides are used as biodegradable non-ionogenic emulsifiers for producing an emulsion.

Abstract: Ethers of 1,2-disubstituted tartaric acid esters proved to be excellent initiators for thermally initiatable radical polymerization reactions. They show a high reactivity even in low concentrations and yield thoroughly hardened products.

Abstract: This invention relates to new ammonium salts of .alpha.-ketocarboxylic acids, to their use for the production of amines in situ by photochemical decomposition and to photochemically hardenable coating compositions containing these ammonium salts.

Abstract: The present invention is directed to cross-linkable, thermoplastically processable, segmented, high molecular weight polycarbonate elastomers, to the process for their preparation and to their use in their cross-linked form.

Abstract: Substituted tartaric acids and tartaric acid derivatives have proved to be highly reactive initiators for starting radical polymerization resp. hardening reactions of unsaturated compounds and mixtures of compounds, particularly unsaturated polyester resins.

Abstract: The invention is directed to a process for the preparation of polycarbonates of Mw 20,000 to 180,000 by transesterification of diphenols and carbonic acid dialkyl esters in the presence of organo-tin-IV compounds and a monophenol.

Abstract: Polyesters having a hydroxyl number of from 50 to 400 and containing 20 to 90% by weight of co-condensed .beta.-hydroxybutyric acid units have proved to yield transparent, glossy, elastic and hard coatings.

Abstract: Compounds added to initiate photopolymerization of monomers to produce polymeric coatings include compounds of the formula ##STR1## wherein Ar is phenyl or naphthyl,R is hydrogen, alkyl with 1-4 carbon atoms, alkoxy with 1-4 carbon atoms, halogen, dialkylamino with 1-4 carbon atoms in each alkyl group, carboxyl, or alkoxycarbonyl with 1-4 carbon atoms in the alkoxy group,X is alkyl having 3 to 6 carbon atoms or alkyl having 6 to 72 carbon atoms interrupted by at least one member selected from the group consisting of ##STR2## and the precursor of X being a polyol having 3 to 6 hydroxyls and having a hydroxyl number of from 100 to 1850,R.sub.1 is hydrogen or methyl,n is a number with a value from about 2 to about 5, andn+m is a number with a value from about 3 to about 6.

Abstract: A process for preparing a dialkyl carbonate by contacting a glycol carbonate with an alcohol at an elevated temperature in the presence of a thallium compound.

Abstract: Ester-modified polyamides containing of from 50 to 80% by weight of --HN--(CH.sub.2).sub.5 --CO units are obtained by reaction of .gamma.-caprolactam and mixtures of dicarboxylic acids, primary diamines and polyalkylene glycols and are suitable inter alia as hot melt adhesives and for the elastification of thermoplastic materials.

Abstract: This invention relates to new ammonium salts of .alpha.-ketocarboxylic acids, to their use for the production of amines in situ by photochemical decomposition and to photochemically hardenable coating compositions containing these ammonium salts.

Abstract: Compounds added to initiate photopolymerization of monomers to produce polymeric coatings include compounds of the formula ##STR1## wherein Ar is phenyl or naphthyl,R is hydrogen, alkyl with 1-4 carbon atoms, alkoxy with 1-4 carbon atoms, halogen, dialkylamino with 1-4 carbon atoms in each alkyl group, carboxyl, or alkoxycarbonyl with 1-4 carbon atoms in the alkoxy group,X is alkylene having 3 to 6 carbon atoms or alkylene having 6 to 72 carbon atoms interrupted by at least one member selected from the group consisting of ##STR2## and the precursor of X being a polyol having 3 to 6 hydroxyls and having a hydroxyl number of from 100 to 1850,R.sub.1 is hydrogen or methyl,n is a number with a value from about 2 to about 5, andn+m is a number with a value from about 3 to about 6.

Abstract: An air-cross-linkable lacquer binder comprising a copolymer of copolymerized units of from 10 to 40% by weight of glycidyl acrylate, glycidyl methacrylate or a mixture thereof, and 70 to 10% by weight of at least one other vinyl monomer which has been reacted with (based in each case on the quantity of lacquer binder) of from 0.01 to 30% by weight of at least one wood preservative having at least one glycidyl-reactive hydrogen atom and from 20 to 60% by weight of at least one air-drying natural or isomerized fatty acid and from 0 to 10% by weight of a dicarboxylic acid anhydride, said lacquer binder having an average molecular weight M.sub.n of from 1500 to 15,000 and an acid number of from 3 to 15. One special advantage of the lacquer binder according to the invention is that the wood preservatives are chemically fixed to the polymer molecule so that their release is retarded and the protective action is prolonged.

Abstract: Copolyamides with improved properties are obtained by polycondensing aliphatic and/or aromatic dicarboxylic acids with an amine mixture of diaminodicyclohexyl methanes and optionally homologous polycyclohexyl polyamines and one or more aliphatic diamines, said copolyamide being useful for the production of shaped articles such as films, sheets and injection moldings.

Abstract: Air-drying unsaturated coating compositions are obtained by reacting at least 60% of the epoxide groups of a polyepoxid with more than one epoxid group per molecule(a) with 0.01 to 0.5 NH-equivalents, based on one epoxide group of ammonia, an aliphatic or cycloaliphatic primary or secondary amine and subsequently(b) with 0.99 to 0.5 carboxyl equivalents, based on one epoxide group of acrylic or methacrylic acid.The reaction products may be mixed with solvents and/or copolymerizable monomers and are preferably hardened in the presence of known photoinitiators with the aid of energy radiation.Their particular advantages are their stability in the dark and that they also harden very quickly in the presence of atmospheric oxygen.Preferred substrates are paper and cardboards.

Abstract: A process for the production of aromatic carbonic acid esters by transesterifying a mixture of dimethylcarbonamate/methanol and a methanol-immiscible azeotrope former for methanol with phenols in the presence of transesterification catalysts.

Abstract: A process for the copolymerization of ethylene at pressures of from 200 to 3500 atms and temperatures of from 130.degree. to 300.degree. C., wherein silyl ethers are used as initiators.

Abstract: Compounds having a melting point above 40.degree. C. which compounds contain uretone imine groups and which are substantially free from volatile isocyanate blocking agents which are split off under stoving conditions are excellent crosslinking agents for pulverulent coating compositions based on hydroxyl groups-containing polymers.

Abstract: The present invention relates to polycondensates of the formula 10, their use for absorbing metal ions of the transition elements of the periodic system and their use for the preparation of polymers containing metals of formula 11 which have e.g. improved resistance to heat and to chemicals compared to the corresponding polycondensates of formula 10.

Abstract: Object of the invention are UV absorbents for numerous polymers which are distinguished by their comparative lack of self-color, high light absorption and good compatibility with the polymers as well as with other additives.