Abstract: Process for the preparation of coatings on wires or fiber-like materials, in which hydroxyl-containing polymers having a number-average molecular weight of 250 to 1,000, a hydroxyl number of 130 to 750 and an acid number of 0 to 150 are mixed in the liquid state with polyisocyanates having a number-average molecular weight of 200 to 2,000 in the liquid state immediately before application, so that 0.5 to 1.5 isocyanate groups are present for each hydroxyl and carboxyl group, and are fed to a wire or fiber-like material which is in a continuous forward movement in an amount which corresponds to that immediately consumed, and a device suitable for the process and comprising capillary tubes through which the mixture is fed to the wire or fiber-like material.

Abstract: Process for multilayer-lacquering of a substrate in which the outermost layer is prepared by use of a lacquer containing one or several cationic binding agents. It is possible to apply top coat and clear lacquer films based on cationic binding agents.

Abstract: A process for producing a gravel-impact-resistant multicoat lacquer finish by cathodic electrodeposition of a primer on an electrically conductive substrate, subsequent application of a primer surfacer coat of an aqueous paste filler that contains one or several water-dilutable binders that are curable at temperatures up to 180.degree. C., with subsequent application of one or several base coats and finishing coats. To produce the primer surfacer coat, an aqueous paste filler is used that contains 0.1-20 wt % polyamide powder, polyacrylonitrile powder or mixtures thereof with particle diameters in the range 0.1-100 .mu.m, wherein the high-solid value of the aqueous paste filler is not less than 75 wt %.

Abstract: In order to assure a safe gas discharge from the cavity formed in the tire-vulcanizing mold during the forming of the tire blanks, the profiled segment (1) be divided along at least one separating line (2) into at least two partial segments (3 to 8), that the separating line (2) extends substantially radially in relationship to the tire mold, and that the separating line (2) cuts the areas of the tire-vulcanizing mold to be vented. Manufacture of the segments is done such that the profiled segment (1) is first manufactured in one piece and is thereafter divided into the partial segments by means of a cutting operation, such as a wire cutting spark-erosion cutting operation, leaving behind a narrow cutting line (FIG. 1).

Abstract: Aqueous coating compound containing a polyurethane resin-based binder ofI) from 60 to 100% by weight of a mixture ofA) from 5-95% by weight of one or more self-emulsifying polyurethane resins in aqueous dispersion having a number average molar mass (Mn) of from 30000 to 300000 and containing carboxyl groups corresponding to an acid number of from 5 to 50, obtainable from a water dispersible polyurethane prepolymer having more than one free isocyanate group per molecule, by chain lengthening with water andB) from 95 to 5% by weight of one or more acrylated polyesters and/or acrylated polyurethanes having an acid number of from 5 to 50 in aqueous dispersion andII) from 0 to 40% by weight of one or more formaldehyde condensation resins and/or blocked polyisocyanates,the percentages by weight being based in each case on the resin solids content. The coating compounds are suitable in particular as basic lacquers for multi-coat lacquering. Coatings with good weather resistance are produced from them.

Abstract: A binder, neutralizable with bases, for producing siccativated aqueous coating agents, based on a polydiene resin partially crosslinked with bis(2-oxazoline), with an acid number of 50 to 100, that is obtainable by anhydrous reaction ofA. 40 to 80 wt % of one or several polydiene oils with a weight-average molecular weight of 300 to 5000,B. 5 to 25 wt % of one or several .alpha.,.beta.-ethylenically unsaturated carboxylic acids,C. 1 to 10 wt % of one or several bis(2-oxazoline)s andD. 0 to 20 wt % of one or several physically curing resins and/or ethylenically unsaturated monomers,transfer into an aqueous medium and reaction withE. 1 to 40 wt % of one or several ethylenically unsaturated monomers in presence of an oil-soluble, free-radical-forming polymerization initiator and optionally a polymerization regulator,wherein each of the above percentages by weight relates to the sum of components A, B, C, D, and E. A process for production of the binder and its use in aqueous coating agents.

Abstract: A tire-vulcanizing mold including a profiled segment. In order to assure a safe gas discharge from the cavity formed in the tire-vulcanizing mold during the forming of the tire blanks, the invention provides that the profiled segment be divided along at least one interface into at least two partial profiled segments, that the interface extends substantially parallel to a plane of rotation in relationship to the tire mold, and that the interface cuts the areas of the tire-vulcanizing mold to be vented. Manufacture of the segments is done much that the profiled segment is first manufactured in one piece and is thereafter divided into the partial profiled segments by a cutting operation leaving behind a narrow cutting line.

Abstract: A process for shaping a metal substrate lacquered by a cathodic electro dip process and then baked, involving heating the lacquered and baked substrate to a temperature between a lower limit of from about 30.degree. C., suitably 20.degree. C., below the glass transition temperature of the lacquer and an upper limit of just below the decomposition temperature thereof, and then shaping the coated and baked substrate in the thus heated state. Shaping of the lacquered, baked substrate is suitably carried out by rolling, pressing, crimping, or dimpling.

Abstract: A copolymer containing a hydroxy and a carboxyl moiety and is dilutable with water after neutralization with an organic base, which copolymer is from an alkyl ester and/or hydroxyalkyl ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid in which the alkyl moiety is interrupted by one or more oxygen atoms and the alkyl moiety of the hydroxyalkyl ester can contain one or more hydroxyl groups, an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, and an optionally copolymerizable vinyl monomer, and has an acid number of from about 20 to about 50, and an OH number of from about 40 to about 90, and contains incorporated by polymerization from about 0.5 to about 5% wt. based on the monomers used for its preparation of one or more perfluoroalkyl ethyl ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid containing a C.sub.6-18 alkyl moiety.

Abstract: The invention relates to an aqueous coating agent which contains an organic synthetic resin binding agent which can be made dilutable with water by protonization with acids, containing crosslinking agents and a synthetic resin component containing organic amino groups and hydroxyl groups, and, in some cases, crosslinking catalysts and, if desired, pigments, fillers, corrosion inhibitors or anticorrosives, conventional lacquer adjuvants, and, in some cases, organic solvents in an amount up to 10% of the total weight of the coating agent.

Abstract: Base lacquers suitable for use in multi-layer lacquerings containing a layer of base lacquer and a layer of clear lacquer on top of this, contain a nacreous pigment based on mica flakes coated with metal oxides, wherein the nacreous pigments have a particle size substantially in the range between 5 and 25 .mu.m. The resultant lacquerings have advantageous properties.

Abstract: Lacquer for coatings protecting against stone chipping, containing pigments, fillers, binders consisting of a mixture of film forming, hydroxyl-containing polyesters and aliphatic and/or cycloaliphatic polyisocyanates which are blocked with acetoacetic acid alkyl esters and have an average functionality of at least 2.5, organic solvents and conventional lacquer additives, which lacquer contains certain polyesters having an average hydroxyl functionality of from 2.5 to 6 and a hydroxyl content of from 2 to 6% by weight and containing from 15 to 50% by weight (aliphatic content) of aliphatic groups which have at least 4 to 20 carbon atoms in an unbranched chain, the proportion by weight of this aliphatic group content in the polyester to the benzene ring content in the polyester, calculated as the sum of the weight of carbon atoms of the benzene rings and of the hydrogen atoms attached to these carbon atoms (aromatic content) is from 1 to 2.5, and a process for its preparation and its use.

Abstract: The invention relates to a cathodically depositable aqueous electro-dip lacquer coating composition containing as synthetic resin binder(A) from 50 to 99% by weight, based on the total quantity of synthetic resin binder, of one or more amino-1,2-epoxy resins, the amino-1,2-epoxy resin or--where several amino-1,2-epoxy resins are present--the mixture of amino-1,2-epoxy resins(a) having an average molecular weight (Mn) of from 700 to 10,000,(b) containing per 1000 molecular weight units from 0.2 to 3.6 lateral or terminal ethylenic double bonds corresponding to a hydrogenation iodine number of from 5 to 90,(c) containing primary and/or secondary alcoholic hydroxyl groups corresponding to a hydroxyl number of from 30 to 450 and(d) having an amine number of from 30 to 150,(B) from 1 to 50% by weight of a substantially non-acid polyester of a polycarboxylic acid containing at least two terminal or lateral, saturated and/or unsaturated .beta.

Abstract: The invention relates to a heat-curable coating composition, comprising:(A) a prepolymer with ketoxime-blocked NCO groups, which are linked to the prepolymer via cycloaliphatic and/or aliphatic groups,(B) a diamine cross linker,(C) organic solvents in an amount of 0 to 50 weight percent, based on the total weight of the coating composition,(D) optionally pigments, fillers, blowing agents and other known additives.The equivalence ratio of blocked NCO groups of component (A) to NH.sub.2 groups of component (B) lies between 1.3:1 and 0.75:1. The invention also relates to processes for its application and its use. The composition has a long shelf life and is advantageously used as an impact resistive coating on metal substrates such as automobile parts.

Abstract: The invention comprises a hollow body, suitable for receiving diffusible substances and made of plastics material coated with varnish resins, the external surface of which has a roughness, measured in profile according to DIN 4768, Part I, of Rz=from 2 to 150 .mu.m and R.sub.max =from 5 to 250 .mu.m on which a coating, positively linked with that surface to provide a seal against diffusion of liquids and gases present in the body, consisting of a chemically crosslinked polyurethane resin is located in a layer thickness of from 10 to 800 .mu.m.