Abstract: A pyrophosphate-free mixture with fire retardancy, including a mixture of non-polymer organic components, wherein at least a first compound of the mixture acts as a hydrogen-bridge donor and at least a second compound of the mixture acts as a hydrogen-bridge acceptor. The disclosure also relates to a method for preparing the fire-retardant mixture and to the use thereof as a fire retardant in extinguishing forest fires.

Abstract: An aqueous amino resin blend comprises aliphatic linear, branched or cyclic amines A containing at least one primary, secondary or tertiary amino group, at least one hydroxyl group and 2 to 20 carbon atoms, and amino resins B, and is used as an impregnating resin in the production of finished foils and edgings.

Abstract: The present invention relates to aqueous polyurethane dispersions wherein the polyurethanes contain terminal hydrazide groups and correspond to the formula wherein the terminal, modified hydrazide groups are present in an amount of 1 to 25% by weight [calculated as C(O)—NH—NH—C(O), MW 84], based on the weight of the polyurethanes, and wherein X represents OR′ or NHR′, R represents the residue obtained by removing the isocyanate groups from an NCO prepolymer, R′ represents a group which is inert to Isocyanate groups under the conditions used to form the polyurethane of in formula I, R″ represents a divalent, linear or branched aliphatic group containing 2 to 10 carbon atoms, provided that there are at least two carbons between the oxygen atoms, wherein the aliphatic group may optionally be substituted by heteroatoms to form ether or ester groups, m is 0 or 1 and n is 2 to 4.

Abstract: The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or an NCO prepolymer, X represents OR′ or NHR′ and R′ represents a group which is inert to isocyanate groups under the conditions used to form the compound of formula I, R″ represents a divalent, linear or branched aliphatic group containing 2 to 10 carbon atoms, provided that there are at least two carbons between the oxygen atoms wherein the aliphatic group may optionally be substituted by heteroatoms to form ether or ester groups, and n is 2 to 6.

Abstract: The present invention provides a curable coating composition that includes at least three components. The coating composition includes a component (a) having at least one carbamate group or urea group and having a lactone or hydroxy carboxylic acid moiety. The second component (b) of the coating composition is the reaction product of a polyol having at least one branch point, i.e., carbon bonded to at least three other carbons, with a lactone or hydroxy carboxylic acid. The third component of the coating composition is a curing agent that is reactive with the first two components. Preparation of coated articles using the compositions of the invention is also disclosed.

Abstract: A crosslinking agent comprising one or more carbamate groups or groups convertible to carbamate and two or more polyfunctional amino moieties having the formula wherein L is selected from the group consisting of alkyl or aryl, cycloalkyl and alkylaryl having a carbon chain length between 1 and 6 carbon atoms and N is a polyfunctional amino moiety. L may also have additional bridging groups such as esters, ethers, ureas, or urethanes groups. Also included is a method of making the crosslinker, a coating composition containing the crosslinker and a method for coating a substrate with the composition.

Abstract: The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I ##STR1## wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or an NCO prepolymer,X represents OR' or NHR' andR' represents a group which is inert to isocyanate groups under the conditions used to form the compound of formula I andn has a value of 2 to 6.The present invention also relates to one-component, thermoset coating compositions containing the compounds of formula I and a cross-linking component that is reactive with these compounds. Finally, the present invention relates coatings, sealants and adhesives prepared from these thermoset compositions.

Abstract: The present invention relates to a sulfonated water-soluble melamine-formaldehyde resin, to a method of manufacturing the resin, and to insulation products prepared using the resin. The resin is particularly useful for making thermal insulation having low moisture adsorption, high tensile strength and low formaldehyde emissions.

Abstract: A method of scavenging formaldehyde in formaldehyde-based resins using a low mole ratio melamine-urea-formaldehyde resin composition. In addition, a formaldehyde-based resin containing a storage-stable low mole ratio melamine-urea-formaldehyde resin composition as a formaldehyde scavenger.

Abstract: A low mole ratio melamine-urea-formaldehyde resin useful as a binder for making a variety of products, and a method for making the resin. The melamine-urea-formaldehyde resin thus produced is stable and has low formaldehyde emissions (release).

Abstract: A urea-formaldehyde resin useful as a binder for making a variety of products, and of a method for making the resin. The resin is prepared by reacting formaldehyde, urea, triethanolamine, and optionally ammonia in a two-step process, first under alkaline conditions and then under acidic conditions. The urea-formaldehyde resin thus produced has good resistance to hydrolysis, cures quickly without smoking, and is characterized by low formaldehyde release.

Abstract: A method of producing a cured coating is described comprising the steps of:(A) applying a coating composition on a substrate, wherein the coating composition is a curable coating composition comprising:(1) a polymer comprising functional groups that are reactive with methylol and/or methylalkoxy substituents on the amino nitrogens of an aminoplast curing agent, and(2) an aminoplast curing agent that includes, as substituents on the amino nitrogens:(a) a plurality of methylol and/or methylalkoxy substituents, and(b) one or more substituents that are either nonreactive with the functional groups on the polymer or are reactive with the functional groups at a higher temperature than the temperature at which the methylol and/or methylalkoxy substituents are reactive with the functional groups, and(B) curing the coating at a cure temperature sufficient to react the functional groups on the polymer with the methylol and/or methylalkoxy substituents, but below the temperature for reaction, if any, between the functio

Abstract: Novel thermosetting resin compositions are disclosed which comprise a 2,7-dioxo-1,6-dioxaspiro[4.4]nona-3,8-diene compound and at least one other reactive, polymerizable monomer which has at least two functional group substituents which contain active hydrogen atoms or multiple bonds between adjacent atoms. The thermosetting resins, upon application of heat, give crosslinked, cured products having good properties.

Abstract: A process for the manufacture of a solid urea-formaldehyde resin comprises steps (a) to (d). Step (a), the initial reaction step is carried out under specified conditions with an F:U ratio of at least 2.5 to 1. The F:U ratio is lowered by addition of urea in step (c) and water is evaporated without precipitation of the resin in step (d).

Abstract: A process for modifying a poly(alkylene carbonate) polyahl, which comprises reacting the poly(alkylene carbonate) polyahl, with at least one modifier having at least one active hydrogen moiety or cyclic anhydride, optionally in the presence of a catalyst under transesterification conditions to form a modified poly(alkylene carbonate) polyahl wherein the modifier is chemically bonded to the backbone of the poly(alkylene carbonate) polyahl.

Abstract: A new class of epoxy curing agents has been discovered that utilizes the monomer of (a) urea-formaldehyde, (b) phenol modified urea-formaldehyde, or (c) thiourea-formaldehyde as the center of a polyamine molecule. The ether monomers are reacted with conventional aliphatic, cycloaliphatic, and aromatic polyamines to split off alcohol and water-yielding urea-formaldehyde etc., polyamine epoxy curing agents.

Abstract: A composition of matter useful as a high solids coating is disclosed. The composition contains at least one fatty polyol derived by ring-opening an epoxidized fatty alcohol or ester, and at least one methylolamino curing agent. The coatings from these compositions have increased flexibility as compared to coatings prepared from comparable polyols.

Abstract: A thermosettable coating composition comprises a hydroxy group-containing polyurethane, polyurea or polyurethane/polyurea polymer, an amino cross-linker and optionally, a catalyst and/or solvent. The polymer is obtained by self condensation of an hydroxyalkyl carbamate compound or condensation of such compound with a polyol and/or a polyamine. An applied coating of the composition is cured by heating to an elevated temperature, e.g., from about 200.degree. to about 400.degree. F. (about 93.degree. to 204.degree. C.).

Abstract: A new class of epoxy curing agents has been discovered that utilizes the monomer of (a) urea-formaldehyde, (b) phenol modified urea-formaldehyde, or (c) thiourea-formaldehyde as the center of a polyamine molecule. The ether monomers are reacted with conventional aliphatic, cycloaliphatic, and aromatic polyamines to split off alcohol and water-yielding urea-formaldehyde etc., polyamine epoxy curing agents.

Abstract: A composition of matter useful as a high solids coating is disclosed. The composition comprises at least one bishydroxymethyl tricyclo compound and at least one amino crosslinking agent.

Abstract: A composition of matter useful as a high solids coating is disclosed. The composition contains at least one cycloaliphatic diol and at least one methylolamino curing agent.

Abstract: The wet fastness properties of direct or reactive dyeings on cellulosic substrates are improved by aftertreatment with a precondensate or mixture of(A) the product of reacting a polyalkylenepolyamine in free base or salt form with an epihalohydrin or a precursor thereofand (B) and N-methylol derivative of a urea, melamine, guanamine, triazinone, urone, carbamate or acid amidein the presence of(C) a catalyst for the cross-linking of N-methylol compounds of the type (B) above,followed by a heat-curing step.

Abstract: The fastness properties of basic dyeings on cellulosic substrates are improved by treating the substrate with a fixing agent comprising a precondensate or mixture of(A) the reaction product of an amine with cyanamide, dicyandiamide, guanidine or biguanidine, or,(B) a quaternary polyalkylene polyamine with(C) formaldehyde and/or,(D) an N-methylol compound optionally together with(E) a catalyst, e.g. MgCl.sub.2.The fixing agents are normally applied as an aftertreatment, with a subsequent heat-curing step.

Abstract: A composition adapted to treating textiles and non-woven cellulosic products comprising a mixture of a cross-linking agent and a nitroalkanol. A method of reducing the residual formaldehyde content of the wrinkle-resistant fabric and a wrinkle-resistant fabric per se comprising the use of the claimed composition.

Abstract: A composition comprising a mixture of a curable ureaaldehyde resin or other crosslinking agent and a nitroalkanol and having particular utility for treating textiles and non-woven cellulose products to provide permanent press and wrinkle-resistant characteristics.

Abstract: A process for the production of an air-drying, modified amino-resin, which process comprises co-polycondensing one or more dialkyl ether compounds, which are dialkyl ether of the dimethylol derivatives of compounds containing two primary amido groups or similar groups, with at least one compound containing an auto-oxidative group, or polycondensing the said one or more dialkyl ether compounds and reacting the compound containing an auto-oxidative group with the condensate; the alcohol released being removed from the mixture. The auto-oxidative groups are typically supplied by allyl ethers and the dialkyl ether compound is e.g. bismethoxymethylene urea. The modified resins rapidly form hard films when exposed to atmospheric oxygen in the presence of drying agents.

Abstract: An improved process for the preparation of alkoxylated formaldehyde-amino compound resins. By using a sequential procedure, and an alkanol of up to 8 carbon atoms it is possible to remove both the water in the aqueous formaldehyde used and the water from the alkoxylation reaction azeotropically. The products of this invention afford resins of better quality, especially in terms of color and clarity, than the products derived from alcoholic formaldehyde solutions.

Abstract: Improved resins are obtained by substituting urea for part of the melamine in known cationic water-soluble resins obtained by interaction of melamine, an aliphatic hydroxymonoamine such as triethanolamine, and formaldehyde. The new resins, which have molar ratios melamine:urea:hydroxyamine:formaldehyde in the range 1:0.25-8:0.1-2.5:4-30, have a faster curing rate and better stability in the liquid state for a given content of formaldehyde.

Abstract: A curable powder resin composition comprising an aminoplast and a polyester or polyacrylic resin. The aminoplast is a condensate of a methylolurea or methylolaminotriazine with an aliphatic alcohol and a reactive compound containing at least one reactive group selected from the group consisting of hydroxyl and amide.

Abstract: A process for preparing a free-flowing curable powder resin composition with a sintering temperature above 40.degree. C., comprising the steps of condensing a methylolurea or methylolaminotriazine with an aliphatic alcohol and a reactive compound containing hydroxyl or amide groups; blending the condensate with a polyester or polyacrylate; and grinding the blend to a powder of average particle size in the range of 20 to 150 microns.

Abstract: A process for preparing a free-flowing curable powder resin composition with a sintering temperature above 40.degree. C., comprising the steps of condensing a methylolurea or methylolaminotriazine with an aliphatic alcohol and a reactive compound containing hydroxyl or amide groups; blending the condensate with a polyester or polyacrylate; and grinding the blend to a powder of average particle size in the range of 20 to 150 microns.

Abstract: A curable powder resin composition comprising an aminoplast and a polyester or polyacrylic resin. The aminoplast is a condensate of a methylolurea of methylolaminotriazine with an aliphatic alcohol and a reactive compound containing at least one reactive group selected from the group consisting of hydroxyl and amide.