Abstract: The instant invention is directed to a process for the production of dispersions of aminoplast condensates in organic polyhydroxyl compounds by the oligo-condensation or polycondensation of substances capable of aminoplast formation, in said organic polyhydroxyl compounds, the improvement wherein said dispersions are reacted at from about -5.degree. C. to about 180.degree. C. with an amine compound selected from the group consisting of:(a) organic aliphatic or cycloaliphatic mono or polyamines containing at least one primary or secondary amine group, and which are gaseous or liquid at room temperature, and(b) organic alkyl hydrazines containing at least one primary or secondary amine group and which are gaseous or liquid at room temperature.

Abstract: A thermosetting composition particularly suitable as a high solids coating composition for automotive applications. Exclusive of pigments, solvents and ether non-reactive components, the composition consists essentially of: (A) an oligomeric hydroxy functional phosphate ester having a number average molecular weight of between about 500 and about 5000 and being prepared by reaction of a polyepoxide and an acid phosphate ester; (B) up to 50 weight percent of a hydroxy functional compound; and (C) between about 15 and about 50 weight percent of an amine aldehyde crosslinking agent.

Abstract: Water-hardening binding agent such as concrete, mortar, cement and the like are modified with a solid additive in the form of aggregates consisting of fine particle having a grain size of from 0.1 to 10 mm, preferably in pelletized or pressed grain form. These additives have an adjustable rate of dissolution and permit controlling the speed and manner of hardening of said water-hardening binding agent.

Abstract: Aminoplast resin pigments for paper making comprise large surface area (>5m.sup.2 /g) particles, preferably of size below 200 .mu.m, made from an aminoplast resin made by condensing formaldehyde with urea and/or melamine in the presence of 0.2 to 15 moles, per 100 moles of formaldehyde, or sulphite, phosphate, phosphite or borate radicals. The resin may be converted to the particulate form by gelling the resin in extended form by dilution with an aqueous acid, followed by drying, curing, and comminution of the gelled resin. To effect gelation in extended form the resin is preferably diluted to a resin solids content of less than 25% by weight by the addition of sufficient acid to cause gelation within 20 minutes.

Abstract: Disclosed is a release sheet having on at least one of its outer surfaces a dried and cured coating composition comprising a release agent, a cross-linkable thermoplastic resin, and a water dispersible organic compound containing polyoxyethylene, polyoxypropylene, or a block copolymer of polyoxyethylene and polyoxypropylene.

Abstract: Disclosed is a water-insoluble addition copolymer of an ethylenically unsaturated unsubstituted amide and at least one other ethylenically unsaturated monomer comprising sufficient amide groups mono-functionally bonded to a polyaldehyde to render the copolymer thermosettable. The copolymer is adapted for use as or for formulation in a binder. Such a binder is readily made from a copolymer latex and is useful in processes for the preparation of products such as nonwoven fabrics and bonded papers.

Abstract: The high solids coating composition contains at least 50% by weight of a binder of film-forming constituents in which the constituents are of(A) an acrylic polymer that has a number average molecular weight of about 500-4,500, a hydroxyl content of at least 2% by weight, a glass transition temperature of about -20.degree. C. to +20.degree. C. and optionally contains a chain transfer agent, and is ofan alkyl methacrylate,a hydroxy alkyl acrylate ora hydroxy alkyl methacrylate,and optionally, an alkylacrylate or styrene(B) an alkylated melamine formaldehyde cross-linking agent;the composition is particularly useful as an exterior finish for automobiles, trucks, airplanes and can be used as an appliance finish and for coil coatings.

Abstract: A latent curing agent for aminoplast resins produced by reacting diethanolamine with glycidol in a molar ratio of 1:(1 to 1.2) at 0.degree. to 90.degree. C. and then reacting the product with 0.5 to 1 mole of sulfur dioxide per mole of diethanolamine at 0.degree. to 90.degree. C.

Abstract: The present invention relates to certain new azulmic acids stabilized by reaction with aminoplast-forming agents and carbonyl compounds or condensation products thereof, to a process for their preparation and to their use for various purposes.

Abstract: A four-component composition is disclosed comprising 100 parts of a non-aminoplast hydroxyl-bearing polymer; about 5-100 parts of a (poly)glycol monoether having an atmospheric boiling point of about 300.degree. C. or greater; an aminoplast or phenolic resin capable of curing the hydroxyl-bearing polymer and a strong acid catalyst for the reaction between the first and third components. Optionally, a pigment may be added to the composition.

Abstract: A melamine-formaldehyde resin useful for making coated wood-based materials and laminates and having a prolonged pot life comprises (a) melamine-formaldehyde precondensation product wherein the molar ratio of melamine:formaldehyde is 1:1.4 to 1:2.6 and (b) 0.1 to 1.0% by weight based on total solids, of an amine of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each identical or different alkyl having 1 to 4 carbon atoms and R.sup.3 is 2-hydroxyethyl, 2-(2-hydroxyethoxy)-ethyl, 3-hydroxy-1-propyl, 3-hydroxy-2-propyl, 2,3-dihydroxypropyl or--CH.sub.2 CH.sub.2 --NR.sup.1 R.sup.2,wherein said amine may be present entirely or partially in the form of its reaction product with the melamine-formaldehyde pre-condensation product.

Abstract: Compounds having a melting point above 40.degree. C. which compounds contain uretone imine groups and which are substantially free from volatile isocyanate blocking agents which are split off under stoving conditions are excellent crosslinking agents for pulverulent coating compositions based on hydroxyl groups-containing polymers.

Abstract: The invention relates to sulphonated, aromatic reaction products as agents for tanning hides and leather. They are obtained by reacting a sulphonation product, which is previously formed from a diphenyl ether, a phenol and a sulphonating agent, with formaldehyde, with a reaction mixture of an aminoplast-forming agent and formaldehyde or with an aminoplast precondensate.

Abstract: A highly fluid, solventless, resinous, impregnating and coating composition, suitable as a high voltage insulation for electrical members, is made from an admixture containing: 100 parts of an epoxy resin, about 25 to 200 parts of an acid anhydride reactive with the epoxy resin, and about 0.002 to 1.00 part of a selected metal carbonyl, acting as a latent accelerator.

Abstract: A method for preparing a carbamide-furan resin comprises reacting a urea-formaldehyde resin unlimitedly soluble in water with urea at a temperature within the range of from 50.degree. to 85.degree. C. and modifying the resulting urea-formaldehyde resin with furyl alcohol at a ratio therebetween expressed in parts by weight equal to 100:20-200 respectively at a temperature within the range of from 50.degree. to 85.degree. C., pH of from 7.2 to 8.9 simultaneously with dehydration of the product being modified under vacuum.

Abstract: s-Triazine derivatives which contain, as substituents in the 2-, 4- and 6-position, at least one polyalkylpiperidine radical and at least one N-methylolamino group or an ether thereof, are effective stabilisers for plastics, in particular against light degradation. By virtue of their N-methylol group, they are able to enter into a chemical bond with many plastics and this renders them stable to migration and elution.

Abstract: A coating composition is provided in which the film-forming material consists of (a) 30-85% by volume of disperse phase particles of size 0.01-20 microns, of which not less than 50% are polymer microparticles, stably dispersed in (b) 70-15% by volume of a liquid continuous phase which is capable of curing by a condensation polymerization reaction, the total volume of components (a) and (b) being 100% and the disperse phase being capable of taking part in the curing reaction. The composition can have a very high solids content and makes possible the production of thick films free from surface shrinkage.

Abstract: A primer composition consisting essentially of 75 to 99 percent alkoxymethyltriazine and 1 to 25 percent 3-glycidoxypropyltrimethoxysilane, 2-(3,4-epoxycyclohexyl)-ethyltrimethoxy silane, 3-mercaptopropyltrimethoxysilane, 2-mercaptoethyltrimethoxysilane or a partial hydrolyzate of the silanes is employed to improve wet and dry adhesion of thermoplastics to solid substrates.

Abstract: A resinous product comprising a curable urea-formaldehyde resin modified by a nitroalkanol and having particular utility for treating textiles and non-woven cellulose products to provide permanent press and wrinkle-resistant characteristics.

Abstract: Copolymers of acetal carboxylates are provided which have the following empirical formula ##STR1## where Y is one or more comonomers randomly distributed in the copolymer; the product of n and q averages at least 4; p is at least 1; and M is selected from the group consisting of alkali metal, ammonium, alkyl groups having 1 to about 4 carbon atoms, and alkanol ammonium groups having 1 to about 4 carbon atoms in the alkyl chain. Such copolymers are useful as detergent builders to replace sodium tripolyphosphate (STP) in detergent formulations. The copolymers are stable under laundry use conditions, but depolymerize in acid media, making the fragments more readily biodegradable in waste streams.

Abstract: The present invention provides fibres of urea formaldehyde, melamine formaldehyde, phenol formaldehyde, and mixtures thereof, modified by inorganic oxyacid radicals derived from inorganic oxyacids of sulphur, salts of such inorganic oxyacids, phosphate radicals, phosphite radicals, borate radicals and mixtures thereof.

Abstract: An acetal resin composition comprising an admixture of 100 parts by weight of an acetal resin and 0.01 to 15 parts by weight of a petroleum resin, said petroleum resin being prepared by polymerizing a cracked petroleum fraction boiling between -15.degree. C. and 200.degree. C. and containing unsaturated hydrocarbons, and having a molecular weight in the range of 400 to 2500 and a second order transition temperature in the range of 35.degree. to 90.degree. C.

Abstract: Aliphatic or cycloaliphatic polycarbonate-triols having a molecular weight of not more than 3,000, which contain hydrophobic segments and are liquid at room temperature are obtained by transesterifying an aryl carbonate with a primary aliphatic triol and a mixture of two diols, HOAOH and HOBOH, at least one of the radicals A or B being a hydrophobic radical, the proportion of the primary aliphatic triol is such that there is statistically one molecule of the said triol per polymer chain in the product, and the ratio of the diols being such that the polycarbonate-triol obtained is equivalent to a mixture of a% by weight of a polycarbonate derived from the triol and the diol HOAOH alone, and of b% by weight of a polycarbonate derived from the triol and the diol HOBOH alone, the percentages a and b corresponding to the following two conditions:30%.ltoreq.a%.ltoreq.70%a%+b%=100%.Modified aminoplast resins can be obtained by reacting such polycarbonate-triols with etherified melamine-formaldehyde condensates.

Abstract: The novel condensation product of 1,3-phenylenediamine and glutardialdehyde has high activity to fix or insolubilize proteins, including enzymes.

Abstract: Microscopic opacifying particles formed of a formaldehyde condensation product are chemically modified to impart anionic-, cationic- or hydroxy-functional groups thereto in order to provide improved dye receptivity, dispersibility and compatibility properties.

Abstract: Amino resins, e.g., urea-formaldehyde and melamine-formaldehyde thermosetting resin systems, are cured with thermally-decomposable adducts of aromatic sulfonic acids and oxa-azacyclopentanes. The resin products cured with these adducts provide surface coatings having superior water resistance properties. The cured compositions can include other conventional ingredients capable of co-reacting with the amino resins, such as polyols, polyacids, alkyd resins, polyester resins, epoxies, acrylics and the like, to provide compositions curable to products having a wide range of properties.

Abstract: Disclosed is a water-insoluble addition copolymer of an ethylenically unsaturated unsubstituted amide and at least one other ethylenically unsaturated monomer comprising sufficient amide groups mono-functionally bonded to a polyaldehyde to render the copolymer thermosettable. The copolymer is adapted for use as or for formulation in a binder. Such a binder is readily made from a copolymer latex and is useful in processes for the preparation of products such as nonwoven fabrics and bonded papers.

Abstract: Aqueous solutions of amide polymers, such as polyacrylamide when treated with small amounts of a water-soluble polyaldehyde and a hypohalite salt at an alkaline pH, react to form firm gels within a short time at ambient temperature. Such gels, which are stable under alkaline as well as acidic conditions, are usefully employed to plug porous subterranean formations, for grouting of leaking soil pipes or wells, and to otherwise render porous structures impermeable to the passage of liquids such as water.

Abstract: Process for the manufacture of resinous products which comprises(a) reacting in a first step, at least one natural resinic acid with 7.5 to 12% by weight, referred to the weight of the natural resinic acids, of a polymeric formaldehyde at a superatmospheric pressure and at a temperature of from 100.degree. to 200.degree. C.,(b) in a second stage, increasing the temperature to at least 200.degree. C., but by at least 20.degree. C., and continuing the reaction at atmospheric pressure to yield a partial esterified product having an acid number of 115 to 135,(c) reacting the reaction product obtained from (b) at a temperature of at least 200.degree. C. with an amount of an alkaline-reacting calcium compound sufficient to yield a partial calcium salt having a calcium content of from 3.

Abstract: Ultraviolet resistant transparent coatings are provided formed of (A) a melamine nucleus compound, (B) a benzophenone and preferably (C) a polyol. The compositions are effective in protecting polycarbonate resins and other UV degradable materials.

Abstract: A melamine-aldehyde-phosphate condensation product which is useful as a fire-retardant, especially for plastics materials, and which is made by reacting melamine and at least one aldehyde, or a condensate of melamine and at least one aldehyde, with at least one oxyacid of phosphorus or precursor therefor or ester thereof until the condensation product is essentially non-acidic, the proportions of melamine and aldehyde being chosen such that the molar ratio of units derived from melamine: units derived from aldehyde in the condensation product is in the range 1:1.5 to 1:4.5, and the proportions of melamine and oxyacid of phosphorus or precursor therefor or ester thereof being chosen such that the molar ratio of units derived from melamine:phosphorus in the condensation product is in the range 1:0.4 to 1:1.7.

Abstract: The present invention relates to novel, substantially insoluble and infusible plastics which are cross-linked by way of triazine rings and, optionally, by way of tri-substituted bis-oxymethylene urea groups or urethane groups.

Abstract: Condensation products of .epsilon.-caprolactam, formaldehyde and formamide, especially N-(formylaminomethyl)-.epsilon.-caprolactam and N-(N'-formyl-N'-hydroxymethyl-aminomethyl)-.epsilon.-caprolactam, are prepared by reacting formamide and formaldehyde in the presence of a base and in the presence or absence of .epsilon.-caprolactam at temperatures of 70.degree. to 90.degree. C. for 4 to 15 hours, then acidifying the reaction batch and, if no .epsilon.-caprolactam is present, adding .epsilon.-caprolactam, and distilling off water at 100.degree. to 135.degree. C.The condensation products are valuable modifiers for use in the manufacture of aminoplast resins employed for impregnating paper and fabrics which are used for the manufacture of coated wood-based materials and laminates.

Abstract: Process and catalyst for curing resins (e.g. furans) comprising concentrated aqueous solutions of perchloric acid (about 45-72%) and the cured resins obtained using said catalyst. Improved catalyst combinations for curing resins in a process employing same and the cured resin produced thereby comprising concentrated perchloric acid, a small amount of phosphoric acid and/or a small amount of boric acid.

Abstract: Nongelled, amine functional polymers dispersible in water with the aid of a solubilizing acid are provided by copolymerizing (A) an ethylenically unsaturated hydroxy functional amine adduct free of epoxy groups and containing from about 1.4 to about 2.0 ethylenically unsaturated amine groups per molecule, formed from a polyepoxide having a 1,2-epoxy equivalency of from 1.4 to about 2.0 and at least a stoichiometric amount of a secondary amine with two unsaturated groups; and (B) copolymerizable monoethylenically unsaturated monomers, a portion of which is amine-functional. The water solutions are particularly useful to enable corrosion resistant coatings to be electrodeposited at the cathode.