Abstract: Radiation-curable binders which are obtained by reactingA) an amine/formaldehyde condensate having a molar ratio of formaldehyde to amino groups of from 1:1 to 2:1 withB) one or more esters, having a free hydroxyl group, of acrylic acid or of methacrylic acid with polyalcohols which contain from two to four alcoholic hydroxyl groups, from 0.1 to 0.3 hydroxyl equivalent of component B) being used per methylol equivalent of component A),in the presence of a strong acid are suitable for use in coating materials.

Abstract: An aqueous resin solution for the impregnation of paper webs contains 2-40 parts by weight of a polyurea composed of urea and of a polyamine per 100 parts by weight of a melamine/formaldehyde precondensate. The impregnated paper webs are suitable for coating woodbase materials, especially chipboard.

Abstract: Urea-aldehyde polycondensates usable as surface coating binders are obtainable by step-wise reaction of(a) urea and/or urea derivatives with acidic CH aldehydes in a molar ratio of urea:aldehyde of 1:2 in the presence of acids and at from 60.degree. to 120.degree. C. with(b) a mixture of 3 moles of formaldehyde per mole or urea and 3 moles of an acidic CH aldehyde per mole of urea at from 60.degree. to 120.degree. C. with subsequent removal of the water of reaction and treatment of the reaction mixture with an alkali metal alcoholate at from 80.degree. to 100.degree. C.

Abstract: Condensates based on substituted ureas, their reaction products with di- and/or polyisocyanates, derivatives of di- and/or polycarboxylic acids or p-substituted phenols and/or their methylol derivatives, their preparation and their use. These condensates each contain two or more cyclic urea units and can be prepared either by reacting primary di- or polyamines with ureas and reacting the product with predominantly CH-acidic aldehydes or by reacting primary amines with isocyanates and reacting the product with predominantly CH-acidic aldehydes in the presence of an acidic catalyst. The said condensates and their reaction products are useful for the preparation of heat-curable coating materials and of binders for cathodic electrocoating.

Abstract: A process for the preparation of stable aqueous aldehyde resin dispersions and for the production of surface coating binders.For this purpose, a melt or highly concentrated solution of a polycondensate of urea and a CH-acidic aldehyde, with or without formaldehyde, is dispersed in water in the presence of an organic protective colloid and, if required, an emulsifier.These aqueous resin dispersions can be used, in combination with other film formers, as surface coating binders.

Abstract: The heat-curable coating agent according to the invention contains a combination of a binder, which possesses basic nitrogen groups and is rendered water-dilutable by protonation with an acid, and a crosslinking agent and, if required, pigments, fillers, corrosion inhibitors, surface coating assistants and catalysts, and the binder used is a reaction product of a dicarboxylic acid or of a dicarboxylate or of a (meth)acrylate oligomer or polymer with an adduct of a di- or triglycidyl ether and a polyamine, the polyamine containing 2 or more amine nitrogen atoms per molecule and one or more alkylene chains of 3 or more carbon atoms between the amino groups, and has an NH amine number of from 50 to 150 mg of KOH/g and is combined with aminoplasts and/or phenoplasts as crosslinking agents.The novel coating agent is useful as a binder for the cathodic electrocoating of metal articles.

Abstract: A process for the preparation of a stable aqeuous ketone resin or ketone/aldehyde resin dispersions and a process for the production of surface coating binders. For this purpose, a melt or a highly concentrated solution of the ketone resin or ketone/aldehyde resin is dispersed in water in the presence of an organic protective colloid. These aqueous resin dispersions can be used, in combination with other film formers, as surface coating binders.

Abstract: A process for the preparation of curable etherified aminoplast resins based on urea/aldehyde polycondensates, and the preparation of surface coating resins.Urea is first reacted with an .alpha.,.alpha.-dialkylaldehyde, as much as 50 mol % of which may be replaced by formaldehyde, in a molar ratio urea/aldehyde of about 1:2, at from 50.degree. to 120.degree. C., in the presence of an acid and in the presence or absence of an alcohol or of other organic solvents, and the 2-oxohexahydropyrimidine derivative obtained in this cyclocondensation is then condensed with formaldehyde in the presence of one or more alcohols and an acid.These aminoplast resins are useful as both acid-curable resins and as resins for baking finishes.

Abstract: A process is disclosed for insolubilizing casein coatings for leather utilizing alkoxy alkyl ureas. The coatings are cured in the presence of an acid catalyst. The casein coatings of the invention avoid the disadvantageous use of aldehydes such as formaldehyde and glutaraldehyde to cure the casein and reduce its water sensitivity and unexpectedly show improved wet abrasion resistance.

Abstract: A process for the preparation of a textile finish, the finish thus obtained and its use for the easycare finishing of textiles containing, or consisting of, cellulose. The finish comprises an aqueous solution, of from 30 to 70 percent strength by weight, of a mixture of the conventionally methyloloated(=hydroxymethylated) carbamates I and II ##STR1## where R is hydrogen or alkyl of 1 to 4 carbon atoms, in the weight ratio I:II of from 1:1 to 1:20. The finish is prepared by reacting a glycol or an alkylglycol of the formula IIIR--(OCH.sub.2 --CH.sub.2).sub.9-100 --OH IIIwhere R has the above meanings, and isobutanol with urea at above 100.degree. C., so as to eliminate ammonia and produce carbamates, and methylolation with formaldehyde. In a first stage, the glycol or alkylglycol of the formula III is reacted to the extent of at least 50% with urea, in the absence of a catalyst, at from 130 to 160.degree. C.

Abstract: A process for printing textile materials consisting of cellulosic fibers, or of blends of cellulosic fibers and synthetic fibers, using a print paste which contains a synthetic thickener and a disperse dye, with or without conventional assistants, and, per 1,000 parts by weight of print paste, from 40 to 250 parts by weight of an N-methylol compound or N-methylol-ether compound of urea, of a urea derivative or of a carbamic acid ester, the print being fixed at an elevated temperature. The resulting prints have exceptionally good washfastness.

Abstract: Process for finishing textiles of natural or regenerated cellulose, which have been pretreated with liquid ammonia, wherein the finishing agent used is an N-monomethylol compound or N-monoalkoxymethyl compound of 4-hydroxy- or 4-alkoxy-5,5-dimethylpropyleneurea. The process couples a high degree of finishing effect (in respect of improvement of the shrink resistance and wrinkle resistance) with only a very slight effect on the hand and especially on the tensile strength.

Abstract: Process for the production of formaldehyde-free finishing agents for textiles containing or consisting of cellulose which is based on the reaction of urea or symmetrically disubstituted urea with glyoxal in the presence of buffer salts and alcohols at a pH of below 7, buffered mixtures of 4,5-hydroxyethyleneureas or N,N'-disubstituted 4,5-dihydroxyethyleneureas partially etherified in 4- and 5-positions being formed.

Abstract: Co-condensates are prepared by condensing from 0.8 to 2.0 moles of butyraldehyde with 1 mole of a phenol at from 80.degree. to 220.degree. C. with the addition, before, during or after the condensation, of from 5 to 50% by weight, based on the mixture of phenol and butyraldehyde, of one or more thermoplastics containing functional groups, which reacts with phenol, butyraldehyde or the phenol-butyraldehyde resin under the condensation conditions. The co-condensates are used as hot-melt adhesives and as binders for nonwovens.

Abstract: Novel hexahydropyrimid-4-yl ethers and a process for the preparation of hexahydropyrimid-4-yl ethers by reacting hexahydropyrimidines with alcohols at above 110.degree. C.The hexahydropyrimid-4-yl ethers obtainable by the process of the invention are valuable starting materials for the preparation of dyes, pesticides and assistants for use in textile chemistry, surface-coating resin chemistry and the timber industry.

Abstract: A process for the preparation of soft and hard resins, and their use in surface-coating binders are disclosed. According to the invention, soft and hard resins are prepared from a urea, formaldehyde and a CH-acidic aldehyde by reacting a urea of the general formula (I) or (II) ##STR1## where R.sup.1 and R.sup.2 are hydrogen or identical or different alkyl, A is alkylene and X is oxygen or sulfur, with formaldehyde and a CH-acidic aldehyde of the general formula (III) ##STR2## where R.sup.3 and R.sup.4 are identical or different alkyl, aryl or alkylaryl wherein the urea, formaldehyde and CH-acidic aldehyde are employed in a mole ratio of from 1:2:2 to 1:4:4, at from 60.degree. to 150.degree. C., in the presence of an acid and in the presence or absence of a solvent and/or diluent, and then treating the product with a base in an anhydrousmedium.

Abstract: An improved process for dyeing or printing water-swellable cellulosic fibers and mixtures of said cellulosic fibers with synthetic fibers by contacting the fibers throughout with a dye liquor or print paste which contains, as essential ingredients, water in an amount sufficient to swell the cellulosic fibers, a water-insoluble disperse dye and a water-soluble solvent which maintains swelling of the cellulose if water is removed and which is a solvent for the disperse dye, and heating the contacted fibers to effect fixation of the dye, the improvement comprising using as water-soluble solvent a mixture of(a) polyethylene oxide, a block copolymer of ethylene oxide and propylene oxide or an ether, ester or carbamate derivative thereof and(b) a polyoxyethylated amine.

Abstract: A process for the preparation of soft and hard resins, and their use in surface-coating binders.According to the invention, soft and hard resins are prepared from a urea and a CH-acidic aldehyde by reacting a urea of the general formula (I) ##STR1## where X is oxygen or sulfur and R.sup.1 and R.sup.2 are hydrogen or identical or different alkyl, aryl or aralkyl, or may be an alkyleneurea radical, with at least 2 moles of a CH-acidic aldehyde of the general formula (II) ##STR2## where R.sup.3 is hydrogen and R.sup.4 is alkyl, aryl or aralkyl, or R.sup.3 and R.sup.4 are identical or different alkyl, aryl or aralkyl, in the presence of a strong acid, to give a condensation product, and then treating the latter with a base in an anhydrous medium.These soft and hard resins are used, in combination with other film-forming agents, as surface-coating binders.

Abstract: A process for the preparation of a textile finish, the textile finish thus obtained and its use for the easy-care finishing of textiles containing, or consisting of, cellulose. The textile finish comprises an aqueous solution, of from 30 to 70 percent strength by weight, of a mixture of the conventionally formaldehyde-methylolated carbamates I and II ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 4 carbon atoms and R.sup.2 and R.sup.3 are hydrogen, or one is hydrogen and the other is methyl, in the weight ratio I:II of from 12:1 to 1:20.The textile finish is prepared by reacting a glycol or an alkylglycol of the formulae III and IV ##STR2## where R.sup.1, R.sup.2 and R.sup.3 have the above meanings, with urea at above 100.degree. C., so as to eliminate ammonia and give carbamates, and subsequent conventional methylolation with formaldehyde, wherein, in a first stage, the glycol or alkylglycol of the formula III is reacted to the extent of at least 50% with urea, in the absence of a catalyst, at from 130.

Abstract: Carbamates are manufactured by reaction of alcohols with urea in the presence of ion exchangers containing nickel.The products are starting materials for the manufacture of textile finishing agents, dyes and plant protection agents.