Abstract: Cyclohexenone oxime ethers of the general formula I ##STR1## where R.sup.1 is alkyl,A is unsubstituted or substituted C.sub.3 -, C.sub.5 - or C.sub.6 -alkylene or C.sub.3 -, C.sub.5 - or C.sub.6 -alkenylene,X is NO.sub.2, CN, halogen, alkyl, alkoxy, phenoxy, alkylthio, haloalkyl, haloalkoxy, carboxyl, alkoxycarbonyl, unsubstituted or substituted benzyloxycarbonyl and/or unsubstituted or substituted phenyl,n is 0-3 or 1-5 where X is halogen,R.sup.

Abstract: An expandable styrene polymer comprisinga) from 0 to 90% by weight of a styrene polymer or styrene copolymer other than b) contains at least 50% by weight of copolymerized styrene,b) from 10 to 100% by weight of a styrene/methacrylamide copolymer comprising from 0.5 to 50% by weight of at least one copolymerized N-substituted methacrylamide of the formula I ##STR1## where R.sup.1 and R.sup.2 are identical or different and are hydrogen, C.sub.1 - to C.sub.15 -alkyl, C.sub.6 - to C.sub.16 -cycloalkyl or C.sub.6 - to C.sub.20 -aryl, it being possible, if R.sup.1 and R.sup.2 contain at least 2 carbon atoms, for at least 2 carbon atoms to be linked via hetero atoms, andc) from 1 to 15% by weight, based on the sum of a) and b), of an aliphatic C.sub.3 - to C.sub.9 -hydrocarbon and/or carbon dioxide as blowing agent.

Abstract: There is now provided a solvent cement having a total of less than 80 weight percent of solvents and a thermoplastic polyurethane elastomer as at least one of the resins dissolved in the solvent. The solvent mixture contains at least a 5- or 6-membered water miscible lactone or lactam such as N-methyl-2-pyrrolidone (NMP) in an amount of 21 weight percent or less based on the weight of all the ingredients. The reduced solvent concentration assists in lowering VOC emissions while preserving the hydrostatic burst strength mechanical property required by ASTM D 2564-88.

Abstract: Nickel-plated shaped parts are produced by galvanic precipitation of nickel from aqueous-acid baths which contain as essential constituents one or several nickel salts, one or several inorganic acids and one or several brighteners. As brighteners are used thiourea salts having general formula (I), in which R.sup.1 to R.sup.4 stand for hydrogen, C.sub.1 to C.sub.18 -alkyl, which may be substituted by carboxyl groups, C.sub.1 to C.sub.4 -alkoxycarbonyl groups or cyano groups, C.sub.2 to C.sub.12 -alkenyl, C.sub.2 to C.sub.12 -alkinyl, C.sub.5 to C.sub.8 -cycloalkyl, C.sub.7 to C.sub.12 -phenylalkyl or phenyl, which may be substituted by one or two C.sub.1 to C.sub.4 -alkyl residues, C.sub.1 to C.sub.4 -alkoxy residues, halogen atoms, hydroxyl groups, phenyl groups, phenyl residues or C.sub.1 to C.sub.4 alkoxycarbonyl groups; Y sands for a chemical bond or for linear or branched alkylene, alkenylene or alkinylene having each up to 20 C.

Abstract: A process for the preparation of polyoxyalkylene glycols or polyoxyalkylene glycol copolymers from polyoxyalkylene glycol formates or the formates of polyoxyalkylene glycol copolymers comprises reacting the formates of polyoxyalkylene glycols or of polyoxyalkylene glycol copolymers in the liquid phase in the presence of a heterogeneous catalyst which contains, as catalytically active component, rhenium and/or at least one element from sub-group VIII of the Periodic Table of the Elements.

Abstract: A process for the production of metal coated melamine-formaldehyde fibers is disclosed. Prior to coating, the fibers are first activated. Activation consists of applying a metal layer to the fibers by reducing a water soluble cobalt, copper or nickel salt with either: 1) a less noble metal or metal salt or 2) a hydride compound and a complexing agent. The desired metal coating is then applied to the pretreated fibers by reducing a water soluble salt of the metal with a reducing agent in the presence of a complexing agent.

Abstract: A process for preparing melt spun polymeric fiber made from polymerized amide monomers includes the steps of pigmenting the polymer, incorporating within the polymer sufficient SO.sub.3 H groups or salts thereof to give the polymer a sulphur content of between about 10 and about 160 equivalents per 10.sup.6 grams polymer and thereafter chemically blocking with a chemical blocking agent a portion of amino end groups present in the sulphonated polymer.

Abstract: A process for working up residues which contain dihydroxy compounds and are obtained in the preparation of polyesters by reacting dicarboxylic acids or their esters or ester-forming derivatives with dihydroxy compounds,a) in a first stage a diester of a dicarboxylic acid with an alkanol being subjected to transesterification with a molar excess of a dihydroxy compound,b) the vapors which are obtained in the reaction according to a) and contain predominantly the alkanol formed in the transesterification, excess dihydroxy compounds and oligomeric and polymeric reaction products being transferred to a column in which the alkanol is separated off via the top and the other products are separated off as a bottom product, andc) the bottom product being then subjected to a further treatment to recover the dihydroxy compound,wherein a liquid residue containing dihydroxy compounds is added in stage b) of the process, and the bottom product is discharged in substantially liquid form from the column and then subjected to

Abstract: A process of use of hydrogenation catalyst, obtainable by carrying out essentially the following steps:(a) treatment of a platinum metal salt with finely divided sulfur followed by(b) reduction of the platinum metal salt to metallic platinum metal.

Abstract: Thermoplastic molding materials containA) from 5 to 95% by weight of a partly aromatic, semicrystalline copolyamide composed essentially ofa.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acida.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acida.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine anda.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms,the molar percentages of components a.sub.1) to a.sub.4) together being 100%, andB) from 5 to 95% by weight of a polyphenylene etherC) from 0 to 30% by weight of an elastomeric polymer,D) from 0 to 45% by weight of a fibrous or particulate filler or of a mixture thereof,E) from 0 to 20% by weight of a flameproofing agent andF) from 0 to 30% by weight of conventional additives and processing assistants,the percentages A) to F) summing to 100%.

Abstract: A process for the preparation of expandable thermoplastic polymers by post-impregnation with a blowing agent in aqueous suspension in the presence of a mixture of magnesium pyrophosphate and a sulfonate group-containing extender as suspension stabilizer, in a reactor comprisesa) preparing the magnesium pyrophosphate in the same reactor at below 50.degree. C. by adding a solid magnesium salt in an amount corresponding to an at least 3% stoichiometric excess, based on pyrophosphate, to an aqueous solution of the pyrophosphate,b) heating the suspension medium to from 70.degree. to 140.degree. C. andc) adding the blowing agent in this temperature range.

Abstract: The disclosure is directed to fiber blends of melamine resin fibers and aramid fibers.

Abstract: Pyrido-fused 4-oxo-4H-benzopyrans I ##STR1## (m=0, 1 or 2; R.sup.1, R.sup.6 and R.sup.7 have the meanings stated in the description) and the salts of I, and herbicides which contain 2-(4-hetaryloxy)- and 2-(4-aryloxy)-phenoxyacetic acid derivatives or cyclohexenone derivatives as herbicidal active ingredients and pyrido-fused 4-oxo-4H-benzopyrans I' as antidotes.

Abstract: A composition for reclaiming paint and volatile organic paint carrier from industrial paint spray booths without increasing VOCs has been developed. The improvement over the existing booths recirculating hydrophilic based fluids, is the inclusion of a water based solution containing about 10 to about 45 per cent by weight of one or more N-alkyl pyrrolidones, about 15 to 40 percent by weight of one or more alkyl glycol mono alkyl ethers, a surfactant present in the amount of about 0.1 to 2.0 percent by weight, and the balance water.

Abstract: 2-Aroylcyclohexanediones I ##STR1## (A is C.sub.1 -C.sub.6 -alkylene; R.sup.1 is substituted phenyl or hetaryl which may furthermore carry a fused ring; R.sup.2 -R.sup.5 are each hydrogen or C.sub.1 -C.sub.4 -alkyl; R.sup.6 is H, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxycarbonyl and R.sup.7 is C.sub.1 -C.sub.4 -alkyl,with the proviso that R.sup.1 is not mono- or dihalophenyl)and the agriculturally useful salts thereof and the esters of I with C.sub.1 -C.sub.10 -carboxylic acids or inorganic acids.The 2-aroylcyclohexanediones I are suitable as herbicides and plant growth regulators.

Abstract: Disclosed is a fiber-forming polymer blend, comprising:a) a polyamide;b) a miscible amorphous polymer; andc) an immiscible amorphous polymer.

Abstract: A process for preparing 1-(het)aryl-3-hydroxypyrazoles of the formula I ##STR1## where R is an unsubst. or subst. aromatic or heteroaromatic radical,n is 0, 1 or 2 andR' is a group which is stable under the reaction conditions, from propiolic acid esters of the formula IIR'--C.tbd.C--CO.sub.2 R.sup.1 IIwhere R.sup.1 is an alkyl, cycloalkyl or aryl group, and (het)arylhydrazines of the formula IIIR--NH--NH.sub.2 IIIin a solvent in the presence of a base, which comprises first mixing II and III with one another in a solvent and then treating this mixture with the base at from 0.degree. C. to 60.degree. C. is described.

Abstract: A process for dyeing and printing textile materials consisting of cellulose fibers or containing cellulose fibers in a blend with other fibers in an aqueous medium at above pH 12 with vattable dyes in the presence of cyclic compounds which contain at least one instance of the structural unit ##STR1## in the ring of the molecule as reducing agents and finishing the dyeing in a conventional manner.

Abstract: A plate-type distillation/condensation apparatus and a method of using same to separate at least two volatility-differing liquid or vapor components from a mixed fluid stream thereof are disclosed, wherein the apparatus contains at least one flow plate having formed on a common facial surface thereof at least one distillation/condensation chamber containing an inlet port for the mixed fluid stream; a primary flow channel in fluid communication with the inlet port; one heat exchange conduits, wherein (i) a first heat exchange conduit for a first cooling fluid is disposed in a first heat exchange contact with the primary flow channel sufficient to condense at least a portion of a first vapor component into a first condensate phase, or (ii) a first heat exchange conduit for a heating fluid is disposed in a second heat exchange contact with the primary flow channel sufficient to boil at least a portion of a first liquid component into a first vapor phase, and a second heat exchange conduit for a second cooling fl

Abstract: An environmentally appropriate protective covering for articles, in particular rectangular parallelepipedal bodies, comprises a container receiving the article or rectangular parallelepipedal body, if appropriate is of a rectangular parallelepipedal form and is closed by means of an at least three-part, partly separable closure strip. For opening, the central part is separated from the side parts, which remain on the container. The presence or absence of the central part consequently represents an indication of originality. The closure strip can also be used advantageously in the case of a protective covering unit, comprising a plurality of stacked containers, for connecting and forming a pack. The invention can be used advantageously in any application where a single closure strip can be used to economize on outer packaging materials.