Abstract: A binder mixture for stoving lacquers comprising A) at least one alkyd resin; and B) at least one poly-N-acyl alkyleneimine prepared by cationic polymerization of a monomer mixture ofa) from 10 to 90% by weight of at least one monomer corresponding to formula (I): ##STR1## in which Z is a direct bond or the group CR.sup.5 R.sup.6, R.sup.1 to R.sup.4 can be the same or different and represent H or a C.sub.1-8 alkyl group, R.sup.5 and R.sup.6 can be the same or different and represent H or a C.sub.1-2 alkyl group, R.sup.7 is a hydroxyl-containing alkyl or alkylene group of a hydroxycarboxylic acid containing 2 to 32 carbon atoms,b) from 90 to 10% by weight of at least one monomer corresponding to formula (II): ##STR2## in which Z and R.sup.1 to R.sup.6 are as defined above and R.sup.8 is the radical of an aromatic monocarboxylic acid, andc) from 0 to 80% by weight of at least one monomer corresponding formula (III): ##STR3## in which Z and R.sup.1 to R.sup.6 are as defined above, and R.sup.

Abstract: An organopolysiloxane composition contains (A) a both end hydroxyl-blocked diorganopoly-siloxane, (B) a hydroxyl-free diorganopoly-siloxane having a degree of polymerization equal to or greater than that of (A), (C) an organo-hydrogenpolysiloxane having at least three hydrogen atoms in a molecule, (D) an organosilane containing at least two alkoxy groups and an amino group attached to a silicon atom through an alkylene group in a molecule and/or a partial hydrolyzate thereof, (E) a fatty acid metal salt, (F) polycarbonate powder having a mean particle size of up to 50 .mu.m, and optionally (G) an organo-silane containing at least two alkoxy groups and a mercapto group attached to a silicon atom through an alkylene group in a molecule and/or a partial hydrolyzate thereof. It is applied to a rubber substrate to form a wear resistance coating thereon.

Abstract: Thermoplastic polyblend compositions, well suited for the production of mechanically strong and chemical-resistant shaped articles having a wide variety of chemical engineering and other applications, e.g., for the production of electrical cable for high-frequency electrical transmissions, comprise (i) a fluoropolymer, (ii) an aromatic polyester and (iii) a copolymeric compatibilizing agent therefor, the compatibilizing copolymer (iii) comprising the copolymerizate of ethylene, a glycidyl acrylate, an acrylic comonomer and, optionally, a peroxy comonomer.

Abstract: Compositions(I), (II) and (III) comprising compounds having vinyl groups as side chains and epoxidized compositions(XI), (XII) and (XIII) thereof, which can be prepared by the various reaction combinations of (a) with (b) or (b)+(c), and or (d), where(a) is at least one compound having at least one vinyl group and one epoxy group in the molecule; (b) is at least one of a polybasic compound, an anhydride thereof, a polymer having carboxylic groups at terminals and a polymer having carboxylic groups as side chains; (c) is at least one organic compound having at least one active hydrogen atom; and (d) is at least one of an unsaturated monocarboxylic compound or an unsaturated monocarboxylic ester having a hydroxyl group.

Abstract: There are disclosed an adhesive obtained by dispersing a cured amino resin fine powder soluble in acid or oxidizing agent into an uncured heat-resistant resin matrix hardly soluble in acid or oxidizing agent when being subjected to a curing treatment as well as a printed circuit board using this adhesive and a method of producing the same. The adhesive has excellent properties such as resistance to chemicals, heat resistance, electric properties, hardness and adhesion property owing to the use of the amino resin fine powder. Therefore, the printed circuit board using such an adhesive is not influenced by service circumstance and is high in the connection reliability without forming short circuit between patterns. Furthermore, in the method of producing the printed circuit board, the adhesive is provided in form of a sheet-or a prepreg, whereby the printed circuit board can be produced easily and cheaply.

Abstract: Thermoplastic polyblend compositions, well suited for the production of mechanically strong and chemical-resistant shaped articles having a wide variety of chemical engineering and other applications, e.g., for the production of electrical cable for high-frequency electrical transmissions, comprise (i) a fluoropolymer, (ii) an aromatic polyester and (iii) a copolymeric compatibilizing agent therefor, the compatibilizing copolymer (iii) comprising the copolymerizate of ethylene, a glycidyl acrylate, an acrylic comonomer and, optionally, a peroxy comonomer.

Abstract: The present invention provides a low viscosity curable resin composition and coating composition containing the same which has a decreased solvent content. The coating composition provides a cured film having not only excellent acid resistance but also good weather resistance and mar resistance without an adverse effect to the environment. The curable resin composition comprises (a) a hydroxyl and carboxyl group containing silicone polymer, (b) a carboxyl and carboxylate group containing polymer, and (c) a hydroxyl and epoxy group containing polymer.

Abstract: Polyacetal resin compositions capable of providing a molded article having exceptionally reduced surface gloss characteristics but which maintain the inherent mechanical properties and moldability of polyacetal resin include (A) 100 parts by weight of a polyacetal base resin and, incorporated therein, (B) between 1 to 50 parts by weight of a polyalkylene terephthalate copolymer having a melt flow temperature of 210.degree. C. or below, and (C) between 0.1 to 10 parts by weight of an isocyanate or isothiocyanate compound, or a derivative thereof.

Abstract: There are disclosed an adhesive obtained by dispersing a cured amino resin fine powder soluble in acid or oxidizing agent into an uncured heat-resistant resin matrix hardly soluble in acid or oxidizing agent when being subjected to a curing treatment as well as a printed circuit board using this adhesive and a method of producing the same. The adhesive has excellent properties such as resistance to chemicals, heat resistance, electric properties, hardness and adhesion property owing to the use of the amino resin fine powder. Therefore, the printed circuit board using such an adhesive is not influenced by service circumstance and is high in the connection reliability without forming short circuit between patterns. Furthermore, in the method of producing the printed circuit board, the adhesive is provided in form of a sheet or a prepreg, whereby the printed circuit board can be produced easily and cheaply.

Abstract: Balanced pH, thermo-irreversible polyoxyalkylene polymer and ionic polysaccharide gels are ideal materials for use as an ablatable mask or coating over the cornea of the eye of a mammal during excimer laser keratectomy. The depth and smoothness of the ablated corneal surface can be controlled by molding the desired surface curvature into the mask surface using a contact lens as a mold which is pressed onto the gel surface coating the cornea.

Abstract: A binding agent for molding compositions and molded bodies produced by reacting a low molecular weight lignin from the Organosolv process with phenol in a weight ratio of 1:20 to 3:1 at 100.degree. to 180.degree. C., adjusting the pH to an acidic value and condensing the mixture with 0.2 to 0.9 moles of formaldehyde per mole of phenol at 60.degree. to 120.degree. C. to form the binding agent useful for producing curable molding compositions, high-temperature molding compositions, refractory products, textile fleeces and friction coatings as well as carbon materials.

Abstract: A binding agent for molded bodies and molding compositions produced by prereacting a mixture of 5 to 60% by weight of lignin or a lignin fraction produced by the Organosolv process and 40 to 95% by weight of a phenol novolac resin and subjecting the latter to high shear forces in a kneader or extruder and optionally mixing the same with a curing agent useful in molding compositions and high temperature-stable molded products such as refractory products, friction coatings, textile fleeces and carbon or graphite materials.

Abstract: A thermoplastic molding material based onA) from 2 to 97.5% w/w of a homopolymer or copolymer of polyoxymethyleneB) from 2 to 97.5% w/w of a polyamideC) from 0.5 to 25% w/w of a polycondensate of 2,2-di(4-hydroxyphenyl)propane and epichlorohydrinD) from 0 to 60% w/w of an impact modifier, andE) from 0 to 60% w/w of fibrous or particulate fillers or mixtures thereof.

Abstract: The present invention provides a composite material comprised of a matrix polymer and a reinforcing polymer, called a rigid rod polymer, which is well dispersed in the matrix polymer. This material displays enhanced mechanical properties. The matrix polymer is preferably cured resin, preferably epoxy resin. The rigid rod polymer may be made from polyazomethines, polyimides or polycarbodimides, or mixtures thereof. Preferably, the reinforcing polymer is a polyazomethine. The invention also relates to a method for making the composite material. The composite material is preferably made by first dissolving the rigid rod polymer precursors in the matrix polymer precursors, then polymerizing the rigid rod polymer precursors in-situ and then polymerizing the matrix polymer precursors, in-situ. Alternatively, the rigid rod polymer precursors may be polymerized in-situ simultaneously with the polymerization of the matrix polymer precursors.

Abstract: Comb-shaped polymers, comprised of hydrophilic backbones and dye-containi hydrophobic side chains are synthesized for use in multilayered, noncentrosymmetric, thin films by means of Langmuir-Blodgett processing techniques. The second harmonic signal generation exhibited by these films increases quadratically with the number of layers of polymeric dye in the film.

Abstract: Rubber compositions are disclosed for integral attachment of polymeric and metallic materials. Improved bondability is attributed to the use of a selected base rubber blended with a selected class of inorganic or organic fillers, silane compounds and vulcanizing agents such that the finished composition is provided with a specified range of Mooney viscosities. Also disclosed is a method of hose-metal fitting connection by the application of the composition. Gas- and oil-impermeability characteristics are greatly enhanced.

Abstract: A polyoxymethylene multi-copolymer obtainable by copolymerizing(a) trioxane,(b) at least one cyclic ether or formal compound chosen from the group of ethylene oxide, 1,3-dioxolane, 1,3-dioxepane, 1,3,5-trioxepane and 1,3,6-trioxocane, and(c) at least one compound chosen from the group of glycidyl phenyl ether, styrene oxide and glycidyl naphthyl ether,and characterized in that the number average molecular weight of said polyoxymethylene multi-copolymer is from 10,000 to 100,000, that the melting point (Tm) and crystallization temperature (Tc) there of are in a relationship ofTm-Tc<15 (.degree.C.)and that the size of the spherulites is 10 .mu.m or less, or a resin composition comprised of this polyoxymethylene multi-copolymer and a polyoxymethylene resin, is distinguished in crystallinity, mechanical strength and surface appearance and is particularly suited for faster cycle molding.

Abstract: An antistatic polymeric composition consisting of at least one antistatic additive of an ethylene oxide copolymer in the range of from about 3% to about 30% by weight and being a solid, nonionic material and having a dilution solution viscosity of greater than 0.25 g/ml and preferably having an average molecular weight greater than 20,000; and a polymeric material in the range from about 70% to about 97% by weight. The ethylene oxide copolymer comprises ethylene oxide in the range of from about 5% to about 95% by weight and at least 1 comonomer selected the group consisting of cyclic ethers, cyclic acetals, and cyclic esters, in the range of from about 95% to about 5% by weight. The polymeric material can be any thermoplastic, thermoplastic elastomer, or elastomer including ABS, ASA, polyamides, PBT, PET, PETG, PMMA, PUR, PVC, CPVC, PC, POM, POP, SMA, and SAN.

Abstract: A process for producing oxymethylene copolymers and terpolymers is disclosed which involves the non-linear addition of gaseous formaldehyde to a cyclic ether having at least two adjacent carbon atoms (1) and, in the case of a terpolymer, to a mixture of at least one (1) and one monoethylenically unsaturated aliphatic diol formal having at least four carbon atoms in its main chain (2), or to a mixture of (1) with a (2), in the presence of a polymerization initiator at a rate controlled so as to conform to a rate determined by kinetic equations that describe the rate of decomposition of trioxane to formaldehyde during conventional copolymerization of trioxane with a cyclic ether. The process and kinetic equations of the invention are applicable to batch reactions, single stream continuous reactions and dual stream continuous reactions.

Abstract: There are provided new elastomeric copolymers of about 15 to 45 mol %, preferably about 25 to 35 mol % trioxane, about 55 to 85 mol %, preferably about 65 to 75 mol % of 1,3-dioxolane, said mol percents based on the total of trioxane and 1,3-dioxolane, and about 0.005 to 0.15 wt. %, preferably about 0.05 to 0.12 wt. % of 1,4-butanediol diglycidyl ether or butadiene diepoxide as a bifunctional monomer, based on the total weight of copolymer. The elastomeric copolymers may be prepared by mixing said monomers in a substantially dry state and under an inert atmosphere with a cationic polymerization catalyst, e.g., p-nitrobenzenediazonium tetrafluoroborate. The elastomeric copolymers have a strong interaction with moldable, crystalline acetal polymers comprising at least 85 mol % of polymerized oxymethylene units and may be used as a blending agent with such crystalline acetal polymers or as a bonding agent to improve the adhesiveness of the crystalline acetal polymer to other materials.

Abstract: Ionically conductive macromolecular material constituted by a salt in solution in a polymer, the said salt comprising an anion present in the form of a polyether chain one end of which carries an anionic function and which can be applied to the obtention of electrochemical accumulators.

Abstract: There are provided new elastomeric copolymers of about 15 to 45 mol %, preferably about 25 to 35 mol % trioxane, about 55 to 85 mol %, preferably about 65 to 75 mol % of 1,3-dioxolane, said mol percents based on the total of trioxane and 1,3-dioxolane, and about 0.005 to 0.15 wt. %, preferably about 0.05 to 0.12 wt. % of 1,4-butanediol diglycidyl ether or butadiene diepoxide as a bifunctional monomer, based on the total weight of copolymer. The elastomeric copolymers may be prepared by mixing said monomers in a substantially dry state and under an inert atmosphere with a cationic polymerization catalyst, e.g, p-nitrobenzenediazonium tetrafluoroborate. The elastomeric copolymers have a strong interaction with moldable, crystalline acetal polymers comprising at least 85 mol % of polymerized oxymethylene units and may be used as a blending agent with such crystalline acetal polymers or as a bonding agent to improve the adhesiveness of the crystalline acetal polymer to other materials.

Abstract: An improved method of stabilizing a polyoxymethylene copolymer, which comprises(1) heat-melting a crude copolymer of trioxane and a cyclic ether and/or a cyclic acetal to form a first stabilized copolymer having a decomposition ratio (D.sub.220.sup.60), determined when it is heated at 220.degree. C. for 60 minutes in vacuum, of up to 2% by weight, and then(2) bringing the first stabilized copolymer into contact with steam containing 0.01 to 5% by weight of a basic compound at a temperature of at least 100.degree. C. but not exceeding the melting point of the copolymer to form a second stabilized copolymer.

Abstract: Polyethers with are suitable as oil demulsifiers are obtainable by reacting(A) a polyalkylene oxide obtained from ethylene oxide and propylene oxide and containing in total from 5 to 200 alkylene oxide units with(B) an alkylolation product of a low molecular weight aldehyde and a bis-(4-hydroxyphenyl)-methane of the general formula II ##STR1## wherein R.sup.1 and R.sup.2 may be identical or different and are each hydrogen, low molecular weight alkyl, phenyl, carboxyl or low molecular weight alkoxycarbonyl, the molar reaction ratio of the compound of the formula II to the alkylolating aldehyde being from 1:1 to 1:4, at from 100.degree. to 180.degree. C. in the presence of an acidic catalyst with removal of the water of reaction, the weight ratio of A to B being from 5:1 to 1:3.

Abstract: Incorporation of 0.6-5.0 weight percent of certain ethylene oxide/propylene oxide copolymers into polyacetal molding compositions results in improved hydrolytic stability of such compositions.

Abstract: A process for producing an oxymethylene copolymer, comprising the steps of polymerizing trioxane and cyclic ether in the presence of a boron trifluoride catalyst, adding a hindered amine compound to the polymer obtained by said polymerization, and stabilizing instable chain ends of the polymer. The oxymethylene copolymer thus obtained provides excellent heat resistance and superior mechanical properties.

Abstract: A pharmaceutically or veterinarily acceptable amphipathic, non-cross linked linear, branched or graft block copolymer, which has a minimum weight average molecular-weight of 1000, in which the hydrophobic component is biodegradable or hydrolytically unstable under normal physiological conditions, and the hydrophilic component may or may not be biodegradable or hydrolytically unstable under such conditions, and which copolymer is self-dispersible in water; together with mixtures of such a copolymer and a drug, which may be water-soluble of water-insoluble, which mixtures are self-dispersible in water; and processes for the manufacture of such copolymers and such mixtures.

Abstract: Thermoplastic and thermoset materials containing an effective amount of an antistatic agent for improving antistatic properties thereof, the antistatic agent is selected from homopolymers and copolymers of an epihalohydrin.

Abstract: A curable composition comprising (A) a phenol resin and (B) 1 to 200 parts by weight of, per 100 parts by weight of the phenol resin, a polyether having at least one silicon-containing reactive group, which provides a cured product having improved properties such as flexibility, impact resistance, toughness, peeling strength and tensile strength.

Abstract: A low viscosity, stable graft polymer dispersion is prepared by polymerizing in the presence of a free radical initiator, from about 25 to about 75 weight percent based on the total weight of the dispersion, an ethylenically unsaturated monomer or mixture of monomers, in a polyol mixture comprising (1) from about 25 to about 99 weight percent of a polyol containing from 2 to 8 hydroxyl groups and having an equivalent weight from 30 to about 200, (2) from about 1 to about 75 weight percent of a macromer containing induced unsaturation, said macromer comprising the reaction product of a polyether polyol having an equivalent weight from 100 to 10,000 with a compound having both ethylenic unsaturation and a group selected from the group consisting of a hydroxyl, carboxyl, anhydride, isocyanate and epoxy or mixtures thereof. These graft polymer dispersions are useful for preparing polyurethane products.

Abstract: A solid urea-formaldehyde resin is provided, having a degree of condensation of 25% to 45%.A process for making the resin is also described and includes several steps. Urea and formaldehyde is first reacted with a molar ratio of U:F of 1:2.5 or more then concentrated. Further urea is added to reduce the ratio to the range 1:1.1 to 1:2 and further concentration is achieved without precipitation of solid resin by the use of a stabilization agent.

Abstract: Pharmaceutical compositions comprising a pharmacologically active polypeptide and a pharmacologically or veterinarily acceptable amphipathic, non-cross-linked linear, branched or graft block copolymer, which has a minimum weight average molecular weight of 5,000, in which the hydrophobic component is biodegradable and the hydrophilic component may or may not be biodegradable, the composition being capable of absorbing water to form a hydrogel when placed in an aqueous, physiological-type environment; copolymers suitable for use in said compositions; and method for the manufacture of such copolymers.

Abstract: This invention relates to flame-proved polyamide moulding compositions containing a combination of from 10 to 18%, by weight melamine and from 1 to 7% by weight of a thermoplastic polyacetal, in each case based on the moulding composition.

Abstract: Curable compositions with improved humidity resistance are composed of an active hydrogen-containing resin which is essentially free of glycidyl groups, a curing agent present externally and/or internally as a part of the active hydrogen-containing resin, and a catalytic amount of a sulfonic acid having a molecular weight of less than 500 and represented by the following structural formula: ##STR1## wherein: Z is a radical independently selected from C.sub.1 to C.sub.20 alkyl, C.sub.3 to C.sub.20 cycloalkyl, C.sub.6 to C.sub.18 aryl, halogen, alkoxy, and aryloxy;R is independently selected from hydrogen, C.sub.1 to C.sub.20 alkyl, C.sub.3 to C.sub.20 cycloalkyl and C.sub.6 to C.sub.18 aryl;y is an integer from 0 to 4; w is an integer from 0 to 2;x is an integer from 1 to 3, with the proviso that when w is 0, y is an integer from 1 to 4 and x is an integer from 2 to 3 and when y is 0, w is an integer from 1 to 2 and x is an integer from 1 to 2.

Abstract: A novel association complex in disclosed, formed by the interaction between a hexamethylenetetramine quaternary salt of a halogenated allyl halide and a water-soluble homopolymer of ethylene oxide. The composition is neutral in pH, fluoresces at a characteristic wavelength of 355 nanometers, has unusual moisture retention characteristics, and possesses the unique ability to inhibit viral replication. The composition is preferably used in aqueous solution, and finds utility as a protective moisturizing agent for the skin, as a healing agent for skin injuries, as a germicidal lubricant, and as a medication for topical application to lesions due to viral infections.

Abstract: A process for producing a polyacetal copolymer, which comprises copolymerizing formaldehyde and a compound selected from the group consisting of alkylene oxides, poly(alkylene oxides), cyclic formals and poly (cyclic formals) in the presence of a Lewis acid and an anionic polymerization catalyst with the exception of metal chelate compounds.

Abstract: A polyoxymethylene molding composition comprising an admixture which contains a small amount of poly(ethylene glycol) and a small amount of a dispersion of polyamide in a carrier resin.

Abstract: The invention relates to epoxy compounds which can be polymerized to give polyethers and which are formed from polyalkyl-1-oxadiazaspirodecanes of the formula ##STR1## in which X is a group ##STR2## and an epihalogenohydrin by linking the nitrogen atom of the 5-membered ring to the 2,3-epoxypropyl radical. Polyethers which have degrees of polymerization of up to approx. 50 and which exhibit a very low volatility and are suitable as light stabilizers for organic polymers can be obtained by heating the epoxides.

Abstract: A finished resin comprising a highly condensed phenol formaldehyde resole resin which has green groups formed by a low condensation phenol formaldehyde resin, the finished resin being modified by addition of a weak acid and a non-cellulosic protective colloid to improve reactivity and flow properties thereof.

Abstract: A rubber composition capable of giving a vulcanizate having superior adhesiveness, comprising 100 parts by weight of an unsaturated epoxide-copolymerized epichlorohydrin-type rubber, 0.1 to 5 parts by weight of a di- or tri-mercapto-s-triazine, 1 to 20 parts by weight of a phenolic resin, and 5 to 50 parts by weight of finely divided silicic acid or its salt.

Abstract: A resin composition is disclosed comprising, as essential ingredients, (I) a urethanized epoxy resin or a urethanized epoxy resin acrylate or methacrylate, (II) a ketone resin and (III) a cross-linkable or polymerizable compound containing at least two ethylenically unsaturated groups.

Abstract: A method of providing a cured low unsaturated elastomer polymer of improved crack growth resistance under high flex conditions. Specifically, oxypropylene rubbers are compounded with small amounts of hexamethylene tetramine and polyhydroxyl aromatic compounds having less than 500 molecular weight.