Abstract: The invention relates to a moulding compound based on thermosetting resin material and optionally fibers, fillers, curing catalysts and further usual additives, and is characterized in that the moulding compound comprises a mixture of at least two thermosetting resins of which a first resin is in a partly cured state, and of which a second resin is not, or less than the first resin in a partly cured state.

Abstract: The invention relates to a process for the preparation of a phenol by oxidative decarboxylation of a corresponding arylcarboxylic acid in the presence of a Cu-containing catalyst, the phenol being obtained through a hydrolysis step. The characteristic part of the process is oxidation of a Cu(I)-containing catalyst and reduction and hydrolysis in the absence of oxygen. The process can be carried out under liquid phase or gas phase conditions in a one-step or multi-step process and nucleation agents can be added for crystallization during catalyst oxidation. In a preferred embodiment, at least 0.04 wt.% copper remains present as Cu(I) after oxidation.

Abstract: A composition which is cured upon exposure to ultraviolet light in the absence of solvent is disclosed. The liquid composition is prepared by combining a liquid maleate polyester and at least one of a vinyl compound and an allyl functional compound. A photoinitiator is then added to the polymerizable liquid composition. A substrate is impregnated with the polymerizable liquid composition and exposed to actinic energy of a sufficient dosage for a sufficient amount of time to polymerize the composition to a sufficient degree to impart useful properties to the substrate. The composition can be used as a binder for fiberglass insulation, in the manufacture of transparent or semi-transparent paper and to manufacture paper for use in photocopy machines.

Abstract: Resin composition, that can be used for manufacturing a prepreg, comprising a liquid epoxy resin, a monomer reactive with the epoxy resin and a hardening catalyst for the epoxy resin, an unsaturated polyester, a monomer reactive with the unsaturated polyester and a hardening catalyst for the unsaturated polyester, whereby the catalyst for the unsaturated polyester is a first catalyst that has a working range below 40.degree. C. and the catalyst for the epoxy resin is a second catalyst that has a working range above 40.degree. C.

Abstract: The use of molding compositions based on unsaturated polyester resins containing specific reactive groups and of sheet metals with a specially selected coating results in sheet metal/duroplast composite elements having excellent adhesion.

Abstract: Process for the enantioselective conversion of an enantiomer mixture of 2R.sub.1,2R.sub.2 -1,3-dioxolane-4-methanol including the following steps: combining the enantioselective enzyme, PQQ-dependent alcohol dehydrogenase with an enantiomer mixture of 2R.sub.1, 2R.sub.2 -1,3-dioxolane-4-methanol of the formula: ##STR1## where R.sub.1 and R.sub.2 independently are selected from the group consisting of hydrogen, an optionally branched alkyl group, an aryl, and R.sub.1 and R.sub.2 with the carbon atom to which they are attached being an optionally substituted carbocyclic ring, the combination of ingredients producing 2R.sub.1,2R.sub.2 -3-dioxolane-4-methanol enriched in the S-enantiomer i.e. S-2R.sub.1,2R.sub.2 -1,3-dioxolane-4-methanol.

Abstract: The stiffness and the tensile strength of a rope containing polymeric filaments manufactured according to the gel spinning process are substantially increased by stretching it. The stretching is preferably carried out at elevated temperature but below the melting point of the filaments.

Abstract: The present invention relates to a powder coating based on a carboxyl-functional polyester and an epoxy-functional cross-linking agent. The cross-linking agent is the reaction product of an isocyanate-containing compound and a hydroxyglycidyl ester. The present invention also relates to the reaction product of a hydroxylglycidyl ester and an isocyanate-containing compound based on an active hydrogen-containing compound and a polyisocyanate. The present invention also relates to hydroxyglycidyl esters with a molecular weight between 132 and 500 and reaction products thereof.

Abstract: The invention relates to a triboelectrically processable powder coating based on a polyester-containing binding agent and a nitrogen-containing additive. The nitrogen-containing additive is a sterically hindered tertiary amine or aminoalcohol.

Abstract: The invention relates to mixtures of amidated fatty acids or derivatives thereof of the general formula ##STR1## wherein R' is absent or an alkyl group with 2-4 C-atoms, the average value of n is 0,5 to 3 and R represents a fatty acid radical with 14-24 C-atoms obtained from oils produced from the plant species `Brassica` with an eruca acid content lower than 5%.These products are good thickeners for surfactants and/or detergents. No nitrose compounds of (di)alkanolamines, which could present a health hazard, are formed in the thickeners according to the invention.

Abstract: The invention relates to a composition based on an aqueous dispersion of an addition polymer of one or more olefinically unsaturated monomers, emulsion stabilizers and/or emulsifiers and a silicon compound.The addition polymer comprises monomer units containing acid groups and the silicon compound used is an epoxysilane with the formula ##STR1## where R=epoxyalkyl (C.sub.1 -C.sub.4),R.sup.1 =alkyl (C.sub.1 -C.sub.4) or phenyl,R.sup.2 =alkoxy (C.sub.1 -C.sub.4), alkyl (C.sub.1 -C.sub.4) or phenyl,R.sup.3 and R.sup.4 =alkoxy (C.sub.1 -C.sub.4) or OHThe compositon can be applied in adhesives and coatings.

Abstract: Thermosetting compositions consist of a homogeneous mixture of an ethylenically unsaturated compound, a bismaleimide compound or a bismaleimide containing composition and an acid compound, with optionally further copolymerizable compounds and usual additives. The thermosetting composition are useful as a coating resin, a laminating resin or for the manufacture of shaped articles.

Abstract: The invention relates to a sheet moulding compound (SMC) comprising a basic layer consisting of thermosetting material, fillers, fibres and customary additives, one side of which is provided with two layers, an intermediate layer and a top layer, the intermediate layer of which lies against the basic layer, the intermediate layer comprising at least fibre reinforcement and thermosetting material in a partly cured state and the top layer comprising the same or a different thermosetting material, which is in a cured state to a smaller extent than the first layer. The invention relates also to a sheet-shaped product that can be applied as an upper layer for a moulding compound like a SMC, BMC and DMC, that consists of the above described intermediate layer and top layer.

Abstract: The invention relates to crystalline unsaturated polyester, consisting of segments derived from a mainly hydroxy-terminated, unsaturated polyester, bound through urethane bonds to units derived from a (poly)isocyanate and further, if desired, in an amount that is at most relatively small, units, bound via urethane bonds, that are derived from a diol containing between 2 and 12 carbon atoms and/or from a diamine containing between 2 and 12 carbon atoms and/or from an alkanolamine containing between 2 and 12 carbon atoms.

Abstract: The invention relates to compositions containing 80-30 weight % of bismaleimide-compounds, 5-60 weight % maleimide-amide compounds and 1-10 weight % maleic anhydride derivative.The invention further relates to the preparation of such compositions and to homogeneous curable compositions comprising bismaleimide/maleimide-amide/maleic anhydride compositions according to the invention. The obtained copolymers show good chemical resistance and a high HDT (heat distorsion temperature).

Abstract: The invention relates to a composition comprising(A) 64-4 parts by wt. of a bismaleimide compound, or an isomaleimide isomer thereof, a maleimide-amide compound or an isomaleimide isomer thereof and maleic anhydride compound,(B) 7-77 parts by wt. of one or more ethylenically unsaturated compounds containing 5-50 C-atoms and is characterized in that the composition further comprises(C) 3-60 parts by wt. of one or more compounds from the group of hydroxy-alkylacrylates or amino-alkylacrylates,(D) 1-20 parts by wt. of one or more terminally functional polymers as flexibilizer, with the proviso that the sum, of parts of compounds A, B, C and D amounts to 100.

Abstract: Alkylpyrimidines are dealkylated to the corresponding pyrimidines by contacting with an oxidation catalyst containing one or more oxides of at least one of the elements of the group consisting of Bi, Mo and V in the presence of water and oxygen in the gas phase at a temperature of 300.degree.-450.degree. C.

Abstract: A process for preparing a nylon-6 block copolymer in which a solution comprising an acyllactam, epsilon-caprolactam and magnesium chloride is brought into reactive admixture with a solution of magnesium dilactam in epsilon-caprolactam. The acyllactam magnesium chloride solution is prepared by reaction of an acid halide functional material and magnesium dilactam.

Abstract: Disclosed are lactam polymerization initiators comprising at least two lactam terminal groups of the formula: ##STR1## wherein Q is a lactam residue containing a C.sub.3 to C.sub.11 alkylene group and is bonded to a carbonyl through the nitrogen atom of the lactam; A is an aliphatic or aromatic hydrocarbyl or hydrocarbyl ether group; m is 0 or 1; when m is 0, n is 0 or 1 and p is 1; when m is 1, n is in the range of 1 to 3 and p=n; and an elastomeric backbone derived from a telechelic polyamine containing at least two primary or secondary amine groups. Also disclosed are a process for forming the same; nylon block copolymers produced therefrom; and a process for the polymerization thereof.

Abstract: The present invention relates to resin compositions comprising a mixture of at least two resins, one resin consisting of the reaction product of an epoxidized fatty acid ester of a polyvalent alcohol with a carboxylic acid, and another resin consisting of a carboxylic acid-modified ester of a polyvalent alcohol.