Abstract: A method of producing an article with a color-plus-clear composite coating is described. The method comprises the steps of applying a colored coating composition to a substrate, and applying a clear coating composition over the colored coating composition, wherein the clear coating composition is a curable coating composition comprising:(a) a first component comprising a polymer backbone having appended thereto at least one carbamate functional group, and(b) a second component comprising a compound having a plurality of functional groups that are reactive with said carbamate group.

Abstract: A process for preparing stable dry powders which are insoluble in hot water and which contain fat-soluble vitamins and/or carotenoids, which comprises the following steps:a) preparing an aqueous dispersion containing essentially these fat-soluble active substances, film-forming colloids and reducing sugars,b) converting this dispersion into dry vitamin and/or carotenoid products in powder form andc) thermally curing the powder at from 60.degree. to 180.degree. C.,wherein gelatin in combination with one or more organic amino compounds which are free or bonded in the manner of a salt and which contain a basic primary amino group and, in addition, either another amino group, a hydroxyl group, an alkoxy group or a carboxyl group, and/or in combination with sufficient basic alkali metal or alkaline earth metal compound for the dispersion to have a pH of from 7.5 to 10, is used as film-forming colloid, and the dry powders obtainable via this process are described.

Abstract: Methacrolein is removed from a gaseous mixture by absorption by means of an aqueous solution which contains from 60 to 90% by weight of methacrylic acid.

Abstract: The invention relates to a method of priming or one-coat painting of plastics using water-borne paints which comprises employing a water-borne paint which contains an at least partially protonated product of the reaction of(A) a butadiene- and acrylonitrile-based copolymer containing primary and/or secondary amino groups, or a mixture of such copolymers, and(B) an organic compound which has a number average molecular weight of from 140 to 10,000 and contains, on statistical average, at least 1.5 epoxide groups per molecule, or a mixture of such organic compounds.

Abstract: Oxadimethacrylics useful for preparing pollers have the general formula ICH.sub.2 .dbd.C(A)CH.sub.2 --O--CH.sub.2 C(B).dbd.CH.sub.2 Iwhere A and B are selected from the group consisting of --COOR.sup.1, --COR.sup.1, --CONR.sup.2 R.sup.3 and --CN with the proviso that A.noteq.B, and R.sup.1, R.sup.2 and R.sup.3 are each defined as follows:R.sup.1 is hydrogen, C.sub.1 -C.sub.18 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.8 -cycloalkyl-C.sub.1 -C.sub.5 -alkyl, wherein the cycloalkyl rings may be C.sub.1 -C.sub.4 -alkyl- or C.sub.1 -C.sub.4 -alkoxy-monosubstituted, -disubstituted or -trisubstituted, hydroxy-C.sub.1 -C.sub.5 -alkyl, amino-C.sub.1 -C.sub.5 -alkyl, N-C.sub.1 -C.sub.4 -alkylamino-C.sub.1 -C.sub.5 -alkyl, N,N-di-(C.sub.1 -C.sub.4 -alkyl)amino-C.sub.1 -C.sub.5 -alkyl, C.sub.6 -C.sub.18 -aryl, C.sub.6 -C.sub.18 -aryl-C.sub.1 -C.sub.4 -alkyl, wherein the aryl groups may carry up to three of the following groups: halogen, C.sub.1 -C.sub.22 -alkyl, C.sub.1 -C.sub.4 -alkoxy, carboxyl, C.sub.1 -C.

Abstract: Recording materials which contain one or more optionally polymer-enrobed dye precursors, one or more optionally polymer-enrobed developers and one or more polymer-enrobed sensitizers are described.

Abstract: A curable molding material based on a dispersion of a finely divided ethylene polymer in an unsaturated polyester resin is prepared by a process in which a melt of the ethylene polymer is uniformly distributed in a melt of an unsaturated polyester in an extruder or stirred kettle.

Abstract: The sulfonamides have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.13 -lkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.8 -alkanoyl or substituted or unsubstituted benzoyl, andR.sup.2 and R.sup.3 are each independently of one another substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted piperidinyt, or R.sup.2 may also be hydrogen.

Abstract: E-Oxime ethers of phenylglyoxylic esters of the formula I ##STR1## X, Y=halogen, alkyl, alkoxy, CF.sub.3, C(.dbd.NOR)R (R=alkyl or alkenyl) are prepared by reacting oximes of the formula II ##STR2## with a methylating agent in an organic diluent, and E-oximes of phenylglyoxylic esters of the formula II are prepared by isomerizing the E/Z-oximes.

Abstract: Copolymers obtainable by(I) copolymerizing a monomer mixture comprising(A) 1 to 98% by weight of a monomer of the formula I ##STR1## where: R.sup.1 to R.sup.6 are hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy, it being possible in the alkyl or alkoxy radicals having more than one carbon atom for an oxygen atom to be inserted in each case between two carbon atoms, C.sub.5 -C.sub.8 -cycloalkyl, unsubstituted or substituted C.sub.6 -C.sub.10 -aryl, C.sub.6-C.sub.10 -aryl-C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.10 -aryloxy, cyano, halogen, --CO--O--R.sup.7, --O--CO--R.sup.7 or --CO--NR.sup.7 R.sup.8, whereR.sup.7 and R.sup.8 are hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, unsubstituted or substituted C.sub.6 -C.sub.10 -aryl or C.sub.6 -C.sub.10 -aryl-C.sub.1 -C.sub.10 -alkyl;p is 0, 1 or 2;Z is --CH.sub.2 --, oxygen or sulfur;Y is oxygen or --N--R.sup.9, whereR.sup.9 is hydrogen, C.sub.1 -C.sub.22 -alkyl, C.sub.5 -C.sub.12 -cycloalkyl, unsubstituted or substituted C.sub.

Abstract: A process for preparing ultrapure polymers (or solutions thereof) which contain at least 20% by weight of N-vinylpyrrolidone as copolymerized units and have a Fikentscher K value of from 10 to 45 by customary free-radical polymerization in solution and subsequent purification of the solution with or without drying comprises purifying the solutions of the polymers by separating off the low molecular weight impurities by means of ultrafiltration at from 20.degree. to 100.degree. C. and from 1 to 80 bar.

Abstract: Pure 1-amino-2-phenoxy-4-hydroxyanthraquinone is prepared by reacting 1-amino-2-halo-4-hydroxyanthraquinone with phenol in aqueous suspension at pH 9-13 and 130.degree.-160.degree. C., adjusting the reaction mixture pH to 9.5-11.5 after the reaction has ended, separating the reaction product from the liquid phase, and ,washing it with alkaline hypochlorite solution.

Abstract: The reactive dyes have the formula ##STR1## where n is 0 or 1,R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.4 is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or a radical of the formula ##STR2## L is a bridge member, A is substituted or unsubstituted C.sub.2 -C.sub.8 -alkylene,Y is vinyl or a radical of the formula --CH.sub.2 --CH.sub.2 --Q, where Q is a group which is detachable under alkaline reaction conditions, andD is phenyl or naphthyl, which may each be substituted.

Abstract: Tert-amyl compounds of the general formula I ##STR1## and novel processes for preparing 2-tert-amylbutadiene by dehydrating 3,4,4-trimethylhex-1-en-3-ol at from 100.degree. to 350.degree. C. and from 0.01 to 50 bar on acidic catalysts, its preparation by partially hydrogenating 3,4,4-trimethyl-hex-1-yn-03-ol at from 0.degree. to 50.degree. C. and from 0.01 to 50 bar and its preparation by reacting tert-amyl methyl ketone (3,3-dimethylpentan-2-one) with acetylene in the presence of basic catalysts at from 0.degree. to 60.degree. C. and from 0.01 to 50 bar, and also the preparation of 2-tert-amylanthraquinone by reacting 2-tert-amylbutadiene with 1,4-naphthoquinone at from 20.degree. to 200.degree. C. and from 0.01 to 50 bar to give 2-tert-amyl-1,4,4a,9a-tetrahydroanthraquinone and then oxidizing the latter in the presence of a strong base at from 0.degree. to 50.degree. C. are described.

Abstract: A process for preparing .beta.-naphthyl benzyl ether comprises reacting .beta.-naphthol essentially in the absence of water with an alkali metal carbonate or an alkaline earth metal carbonate and benzyl chloride in an inert water-miscible solvent at from 0.degree. to 200.degree. C.

Abstract: A coolant or antifreeze composition has one or more glycols or glycol ethers in combination with water, one or more additives, and an effective amount of 1-hydroxyoctylidene-1,1-diphosphonic acid or 1-hydroxydodecylidene-1,1-diphosphonic acid as a corrosion inhibitor.

Abstract: Water-thinnable coating compositions useful in electrocoating compriseA. a mixture ofA.sub.1. 50-95% by weight of one or more oligomeric or polymeric polyaddition or polycondensation compounds which have on average a molecular weight of from 200 to 20,000 and contain per molecule at least two hydroxyl groups and at least two primary and/or secondary amino groups, andA.sub.2. 5-50% by weight of a crosslinker that is reactive toward component A.sub.1, andB. a mixture ofB.sub.1. 90-99.9% by weight of one or more radical-polymerizable compounds which have an average molecular weight of from 100 to 10,000 and contain per molecule at least two olefinic double bonds, andB.sub.2. 0.1-10% by weight of a free radical initiator having a decomposition temperature within the range 50-150.degree. C.,the ratio of mixture A to mixture B being from 10:1 to 1:10 and mixture A being substantially chemically inert toward mixture B.

Abstract: Pigment formulations containing(a) at least one finely divided pigment,(b) at least one copolymer obtainable by free radical polymerization of(.alpha..sub.1) C.sub.8 -C.sub.40 -monoolefins or(.alpha..sub.2) C.sub.8 -C.sub.40 -alkyl vinyl ethers or(.alpha..sub.3) a mixture of C.sub.8 -C.sub.40 -alkyl vinyl ethers and up to 50 mol % of C.sub.8 -C.sub.40 -monoolefins with(.beta.) monoethylenically unsaturated C.sub.4 -C.sub.12 -dicarboxylic acids or C.sub.4 -C.sub.12 -dicarboxylic anhydridesand having a molecular weight of from 500 to 20,000 g/mol, some or all of whose carboxyl or anhydride groups may be reacted with ammnonia, amines, alcohols, amino- or hydroxycarboxylic acids or alkali metal or alkaline earth metal hydroxides, and(c) if required, further assistants conventionally used in pigment formulationsare used for the preparation of pastes, printing inks and coatings.

Abstract: A simple process for achieving very active passivation of metal pigments against hydroxyl-containing compounds comprises treating the metal pigments with passivators in the gas phase.

Abstract: An aqueous polymer dispersion with a solids volume concentration of at least 50% by volume is obtainable by polymerizing monomers by the method of free radical aqueous emulsion polymerization with the addition of at least one fine and at least one coarse aqueous starting polymer dispersion.