Abstract: A spin pack for spinning synthetic fibers from two or more liquid polymer streams includes a supply for at least two discrete polymer streams without mixing with another discrete stream to the spin pack; a spinneret having extrusion orifices; and flow distribution plate sets. The flow distribution plate sets include at least one patterned plate having edges which define a substantially regular two-dimensional geometric shape, a substantially planar upstream surface, a substantially planar downstream surface and at least one flow distribution pattern stenciled therein by cutting through. For each patterned plate, at least one boundary plate stacked sealingly adjacent thereto and having edges which define a substantially regular geometric shape, a substantially planar upstream surface and a substantially planar downstream surface.

Abstract: A stable aqueous detergent composition, comprising: (a) about 5.70% of detergent active matter selected from the group consisting of anionic, nonionic, cationic, amphoteric, and zwitterionic surfactants; (b) about 1-60% of one or more electrolytes; and (c) about 0.01-5% of at least one hydrophilic copolymer comprising hydrophilic monomer and oxyethylated monomer. In particular, the hydrophilic copolymer is of a structure represented by ##STR1## wherein the above-stated substituents are defined herein.

Abstract: Method for preparation of fluorochlorohydrocarbon-free (FCHC-free) low-density polyurethane soft-foam materials and soft-elastic polyurethane soft-foam materials as well as polyisocyanate mixtures modified with urethane groups, and based on diphenylmethane-diisocyanate, which are applicable thereto.

Abstract: Carriers for electrophotography, based on magnetic cores coated with different metal oxides, haveA) a first layer which essentially consists of electrically insulating metal oxide andB) a second layer which essentially consists of metal oxide controlling the electrostatic charging of the toner and which does not substantially decrease the electroresistance of the carriers, which resistance is provided by the layer (A).

Abstract: Polyester polymers having pendant carbamate groups are disclosed. The polymers are prepared by reacting a polyol having at least one pendant carbamate group with a polyacid to form a polyester having pendant carbamate groups.

Abstract: Essentially isocyanate-free, ketimine- and aldimine-free, one-component sealing, adhesive or coating materials which are self-curable under the action of atmospheric humidity containing a copolymer A composed of50-99.8% by weight of a C.sub.1 -C.sub.16 -alkyl (meth)acrylate or vinyl ester of carboxylic acids of 1 to 20 carbon atoms a),0.1-20% by weight of an unsaturated carboxylic anhydride b),0.1-10% by weight of an Si-containing compound c) capable of undergoing hydrolysis and0-40% by weight of a further, copolymerizable unsaturated compound d)or containing a mixture of copolymers comprising5-95% by weight, based on the mixture, of a copolymer B), composed of50-99.9% by weight of a C.sub.1 -C.sub.16 -alkyl (meth)acrylate or vinyl ester of carboxylic acids of 1 to 20 carbon atoms a),0-20% by weight of an unsaturated carboxylic anhydride b)0.

Abstract: 4,4'-disubstituted bis-2,6-diisopropylphenyl)carbodiimides of the formula (I) ##STR1## where R is 1-methyl-1-phenylethyl, phenoxy or tert-butyl, a process for their preparation, their use as stabilizers against hydrolytic degradation of polyaddition and polycondensation products containing ester groups, and the novel 4-(1-methyl-1-phenylethyl)-2,6-diisopropyl-, 4-phenoxy-2,6-diisopropyl- and 4-tert-butyl-2,6-diisopropylphenyl isocyanates which can be used for their preparation.

Abstract: Aqueous dye preparations contain from 12 to 30% by weight, based on the weight of the preparation and calculated as free acid, of a dye of the formula ##STR1## where L.sup.1 and L.sup.2 are each C.sub.1 -C.sub.4 -alkyl and Cat.sup..sym. is an alkali metal ion or an unsubstituted or substituted ammonium ion, and are used for coloring paper stocks.

Abstract: Disclosed as a particular isocyanate prepolymer composition particularly suitable for use in polyurethane compositions having particular applicability for producing microcellular molded polyurethane articles particularly suitable for use as sealing devices. In particular, the isocyanate prepolymer composition is the result of reacting an isocyanate blend (a) having(i) 0 to 10 pbw 2,4'-diphenylmethane diisocyanate;(ii) 30 to 80 pbw 4,4'-diphenylmethane diisocyanate;(iii) 1 to 10 pbw of a mixture of uretoniminewith from 10 to 70 parts by weight of a polyol (b) having a number average molecular weight of between 1000 and 10,000, and a hydroxyl number of between 10 to 75. The resulting isocyanate prepolymer (I) has a free NCO of less than 20 and a viscosity of from 200 to 1000 cPs.

Abstract: The present invention provides a method of increasing debinding rates in Powder Injection Molding of metal and ceramic parts by use of a catalytic binding system.

Abstract: A fungicidal mixture containinga) the oxime ether carboxamide of the formula I ##STR1## and b) an azole derivative II selected from the group of compounds II.1 to II.161-[(2RS,4RS;2RS,4SR)-4-bromo-2-(2,4-dichlorophenyl)tetrahydrofuryl]-1H-1,2, 4-triazole (II.1)2-(4-chlorophenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol (II.2)(.+-.)-4-chloro-4-[4-methyl-2-(1H-1,2,4-triazol-1-yl-methyl)-1,3-dioxolan-2 -yl]phenyl 4-chlorophenyl ether (II.3)(E)-(R,S)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pent -1-en-3-ol (II.4)(Z)-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(4-fluorophenyl)-3-(2-chlorophenyl)ox irane (II.5)4-(4-chlorophenyl)-2-phenyl-2-(1H-1,2,4-triazolylmethyl)butyronitrile (II.6)3-(2,4-dichlorophenyl)-6-fluoro-2-(1H-1,2,4-triazol-1-yl)quinazolin-4(3H)-o ne (II.7)bis(4-fluorophenyl)(methyl)(1H-1,2,4-triazol-1-yl-methyl)silane (II.8)(R,S)-2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazol-1-yl)hexan-2-ol (II.

Abstract: A process for preparing compounds of the formula I ##STR1## where: Y inter alia is ##STR2## where R.sup.3 is hydrogen or a C.sub.1 -C.sub.10 - hydrocarbon radical. R.sup.1 and R.sup.2, inter alia, are each, independently of one another, hydrogen, a C.sub.1 -C.sub.20 -hydrocarbon radical which optionally carries inert substituents or heteroaryl, wherein a compound of the formula II ##STR3## where Z is ##STR4## is reacted in the presence of catalytic amounts of a carbonic ester and of a nitrogenous base at from 100.degree. to 250.degree. C. under a pressure of from 0.01 to 100 bar.

Abstract: Disclosed as a particular isocyanate prepolymer composition particularly suitable for use in polyurethane compositions having particular applicability for producing microcellular molded polyurethane articles particularly suitable for use as sealing devices. In particular, the isocyanate prepolymer composition is the result of reacting an isocyanate blend (a) having(i) 0 to 10 pbw 2,4'-diphenylmethane diisocyanate;(ii) 30 to 80 pbw 4,4'-diphenylmethane diisocyanate;(iii) 1 to 10 pbw of a mixture of uretonimine with from 10 to 70 parts by weight of a polyol (b) having a number average molecular weight of between 1000 and 10,000, and a hydroxyl number of between 10 to 75. The resulting isocyanate prepolymer (I) has a free NCO of less than 20 and a viscosity of from 200 to 1000 cPs.

Abstract: A composite element which comprisesA) at least one top layer of polyvinyl chloride or a polyvinyl chloride-containing polymer mixture, andB) a preferably semirigid or rigid polyurethane foam, the top layer (A) or the polyurethane foam (B) or the two constituents (A) and (B) containing units of an .alpha.,.beta.-olefinically unsaturated polyester having a molecular weight factor per double bond of from 150 to 3000,a process for the production of composite elements of this type, and liquid, urethane-containing polyisocyanate mixtures based on diphenylmethane diisocyanates and higher homologs thereof and .alpha.,.beta.-olefinically unsaturated polyesters for the preparation of the polyurethane foam (B) are described.

Abstract: Copolymers which are self-curable with atmospheric humidity and are based on acrylic, methacrylic and/or vinyl esters which have been prepared using silicon-containing regulators, and mixtures of such polymers with crosslinkers, are suitable as adhesive, sealing and coating compositions which are self-curable with atmospheric humidity.

Abstract: An electrostatic toner contains a polymeric binder and as charge stabilizer a 1:2 chromium, iron, cobalt or zirconium complex of azo dyes of the formula D--N.dbd.N--K, where D is derived from a diazo component D--NH.sub.2 selected from the group consisting of 2-amino-4-nitrophenol, 2-amino-5-nitrophenol, 2-amino-phenol-4-sulfonamide, anthranilic acid and picramic acid and K is derived from a coupling component K--H selected from the group consisting of .beta.-naphthol, acetoacetanilide and 1-phenyl-3-methylpyrazol-5-one.

Abstract: Water-insoluble condensation products, obtained by the condensation of a mixture containing as essential components(A) from 80 to 99.9 mol %, based on the sum of (A), (B) and (C), of a mixture consisting essentially of(a) from 30 to 99 mol % of melamine and(b) from 1 to 70 mol % of a substituted melamine of the formula I ##STR1## where X, X' and X" are each selected from the group consisting of --NH.sub.2, --NHR and --NRR', and X, X' and X" are not all --NH.sub.2 at one and the same time, and R and R' are each selected from the group consisting of hydroxy-C.sub.2 -C.sub.10 -alkyl, hydroxy-C.sub.2 -C.sub.4 -alkyl-(oxa-C.sub.2 -C.sub.4 -alkyl).sub.n, where n is from 1 to 5, and amino-C.sub.2 -C.sub.12 -alkyl, or mixtures of melamines I,(B) from 0.

Abstract: Disclosed as a particular isocyanate prepolymer composition particularly suitable for use in polyurethane compositions having particular applicability for producing microcellular molded polyurethane articles particularly suitable for use as sealing devices. In particular, the isocyanate prepolymer composition is the result of reacting an isocyanate blend (a) having(i) 0 to 10 pbw 2,4'-diphenylmethane diisocyanate;(ii) 40 to 90 pbw 4,4'-diphenylmethane diisocyanate;(iii) 1 to 10 pbw 3-ring oligomers of polymethylene polyphenyl polyisocyanate;(iv) 1 to 20 pbw of n-ring oligomers of polymethylene polyphenyl polyisocyanate (n being greater than 3); and(v) 1 to 10 pbw of a mixture of uretonimine with from 5 to 50 parts by weight of a propoxylated propylene glycol (b) having a number average molecular weight of between 2000 and 6000, and a hydroxyl number of between 10 to 75. The resulting isocyanate prepolymer (I) has a free NCO of from 20 to 30 and a viscosity of from 50 to 500 cPs.

Abstract: (6S)-6,8-Dihydroxyoctanoic esters I ##STR1## (R.sup.1 =alkyl, cycloalkyl, aralkyl or aryl), are prepared by reducing a (3S)-3-hydroxyoctanedioic diester II ##STR2## (R.sup.2 =an R.sup.1 radical group) with a complex hydride and are mainly used as intermediates for synthesizing compounds of the type of liponic acid.

Abstract: The invention relates to a process for preparing .beta.-alaninediacetic acid (Ia) or its alkali metal or ammonium salts (Ib) which comprises reacting iminodiacetic acid with acrylonitrile or C.sub.1 -C.sub.4 -alkyl acrylates in weakly acid to weakly basic aqueous medium and subsequently hydrolyzing the nitrile or ester moiety to the acid or a salt.The products prepared according to the invention can be used, in particular, to form complexes.