Abstract:
Method for impregnating lignocellulosic material with effect agents, comprises impregnating the lignocellulosic material with a fluid formation, which contains at least one effect agent in a dissolved or dispersed form; impregnating the material with a hardenable aqueous composition, which contains at least one cross-linkable compound; and treating the material obtained at an elevated temperature. Method for impregnating lignocellulosic material with effect agents, comprises impregnating the lignocellulosic material with a fluid formation, which contains at least one effect agent in a dissolved or dispersed form; impregnating the material with a hardenable aqueous composition, which contains at least one cross-linkable compound such as low-molecular weight compounds (V), having at least two N-bonded groups of formula (CH2OR) and/or one 1,2-bishydroxyethane-1,2-diyl group, bridging two nitrogen atoms, precondensates the compound (V), and reaction products or mixtures of the compound (V) with at least one alcohol such as 1-6C alkanols, 2-6C polyols and oligoalkylene glycols; and treating the material obtained at an elevated temperature. R : H or 1-4C alkyl. Independent claims are also included for: (1) a lignocellulosematerial, is obtained by the process; and (2) an aqueous composition comprising dissolved or dispersed form of effect agent and hardenable compound.
Abstract:
The invention relates to the production of glyceric acid compounds of general formula (I): R R C(OH)-CR (OH)-COOX, wherein R , R independently represent hydrogen, C1-12-alkyl, C6-12-aryl, C7-13-alkaryl or C7-13-aralkyl and X represents hydrogen, alkali, alkaline earth/2 or NH4, by saponification of glyceric acid compounds of formula (II), wherein Y represents NH2 or OR with R C1-12-alkyl or C7-13-aralkyl with ring-opening addition of water to the epoxy ring. Preferably, Y represents NH2 and the glyceric acid used, corresponding to general formula (II) is produced by reacting acrylnitrile of general formula (III): R R C=CR CN with hydrogen peroxide.
Abstract:
The invention relates to a method for producing wood-based materials comprising at least one flat thin veneer layer glued with a support or other veneer layers consisting i) in impregnating a veneer with an aqueous hardenable composition which a) comprises at least one type of cross-linkable urea compound selected from urea compounds H containing at least one N-bonded group of formula CH 2 OR, wherein R is hydrogen or C 1 -C 4 -alkyl, and/or a 1,2-bishydroxyethane-1,2-diyl group containing two urea nitrogen atoms, urea compound H precondensates and reaction products or mixtures of the urea compound H with at least one type of alcohol selected from C 1 C 6 -alkanols, C 2 -C 6 -polyols and oligo ethylene glycols and b) at least one type of catalyst K producing urea compound cross-linking, ii) in gluing the impregnated veneer with an adhesive composition and iii) in transforming the glued veneer into a wood-based material at a high temperature, along with hardening a cross-linkable urea compound, wherein the veneer impregnated prior to gluing at a stage ii) comprises a substantially uncross-linked cross-linkable urea compound.
Abstract:
Copolymers of (A1) 70 to 100 mol % of at least two different monoethylenically unsaturated carboxylic acid monomers and (A2) 0 to 30 mol % of one or more nonionic monomers, which have been reacted with (B) 5 to 30 mol %, based on the amidatable functional groups present in the copolymer of the monomers (A1) and if desired (A2), of an amino-C 1 -C 2 -alkanesulfonic acid and/or a salt thereof, and the preparation of the copolymers and their use in detergents, cleaners and rinse aids.
Abstract:
Method for impregnating lignocellulosic material with effect agents, comprises impregnating the lignocellulosic material with a fluid formation, which contains at least one effect agent in a dissolved or dispersed form; impregnating the material with a hardenable aqueous composition, which contains at least one cross-linkable compound; and treating the material obtained at an elevated temperature. Method for impregnating lignocellulosic material with effect agents, comprises impregnating the lignocellulosic material with a fluid formation, which contains at least one effect agent in a dissolved or dispersed form; impregnating the material with a hardenable aqueous composition, which contains at least one cross-linkable compound such as low-molecular weight compounds (V), having at least two N-bonded groups of formula (CH 2OR) and/or one 1,2-bishydroxyethane-1,2-diyl group, bridging two nitrogen atoms, precondensates the compound (V), and reaction products or mixtures of the compound (V) with at least one alcohol such as 1-6C alkanols, 2-6C polyols and oligoalkylene glycols; and treating the material obtained at an elevated temperature. R : H or 1-4C alkyl. Independent claims are also included for: (1) a lignocellulosematerial, is obtained by the process; and (2) an aqueous composition comprising dissolved or dispersed form of effect agent and hardenable compound.
Abstract:
The method involves impregnating wood, wood material or a material for manufacturing a wood material with a hardenable aqueous composition, which contains at least one cross-linkable compound, selected from low-molecular weight compounds V, having at least two N-bonded groups of formula CH 2OH, where R = hydrogen or C1-C4 alkyl, or one 1,2-bishydroxyethan-1,2-diyl group, bridging two nitrogen atoms. The method then involves precondensates of the compound V and reaction products or mixtures of the compound V with at least one alcohol, selected from C1-C6 alkanols, C2-C6 polyols and oligoalkylene glycols. Then method involves treating the obtained material at an elevated temperature and, optionally, transforming said material into a wood material and treating at least one surface of the wood or wood material to be treated with a surface treatment agent and, optionally, drying the treated surface in a manner known per se. An independent claim is also included for the surface treatment.
Abstract:
The present invention relates to a process for the production of wood-base materials which have at least one thin veneer layer adhesively bonded over the surface to a substrate or to further veneer layers, which process comprises the following steps: i. impregnation of a veneer with an aqueous curable composition which comprises a) at least one curable urea compound selected from urea compounds H which have at least one N-bonded group of the formula CH2OR, where R is hydrogen or C1-C4-alkyl, and/or a 1,2-bishydroxyethane-1,2-diyl group bridging the two nitrogen atoms of the urea, precondensates of the urea compound H, and reaction products or mixtures of the urea compound H with at least one alcohol which is selected from C1-C6-alkanols, C2-C6-polyols and oligoethylene glycols, and b) at least one catalyst K effecting crosslinking of the urea compound; ii) gluing of the impregnated veneer and/or the substrate with a glue composition and iii) processing of the glued veneer to give a wood-base material at elevated temperature with curing of the crosslinkable urea compound, the impregnated veneer comprising the crosslinkable urea compound in substantially uncrosslinked form before the gluing in step ii).
Abstract:
Composición de explosivo, que comprende en una emulsión de agua-en-aceite, a modo de emulsionante, un aducto de Mannich, constituido por a) Un compuesto hidrocarbilsubstituido, hidroxiaromático de la fórmula general I **(Fórmula)** en la que R1 significa un grupo hidrocarbilo, elegido entre un resto alquilo con 6 a 400 átomos de carbono, alquenilo con 6 a 400 átomos de carbono, alquil-arilo con 6 a 400 átomos de carbono o alquenil-arilo con 6 a 400 átomos de carbono, de cadena lineal o de cadena ramificada; Ar significa un anillo aromático, mono o polinuclear, en caso dado substituido; n significa un número entero 1, 2 ó 3 y x significa un número entero desde 1 hasta 5; b) formaldehído, un oligómero o polímero del mismo; y c) un compuesto nitrogenado, de la fórmula general II **(Fórmula)** donde R2 y R3 significan, independientemente entre sí, H, un resto alquilo con 1 a 18 átomos de carbono, alquenilo con 2 a 18 átomos de carbono, cicloalquilo con 4 a 18 átomos de carbono, alquil-arilo con1 a 18 átomos de carbono, alquenilarilo con 2 a 18 átomos de carbono, hidroxi-alquilo con 1 a 18 átomos de carbono, poli(oxialquilo) o polialquilenimino; o junto con el átomo de nitrógeno, con el que están enlazados, significan un anillo heterocíclico.
Abstract:
La invencion se refiere a sales de acetonitrilo de N-alquilamonio revestidas, granulares de la formula general (I) R2R3NR1-CR4R5-CN+Y-: en donde R1 significa un grupo alquilo C1 a C24 que puede estar interrumpido por atomos de oxigeno no adyacentes o puede llevar adicionalmente grupos hidroxilo, un grupo cicloalquilo C4-C24, un grupo alcarilo C7-C24 o un agrupamiento de formula -CR4R5-CN; R2 y R3 tienen, cada uno, independientemente entre ellos, el significado de R1 o bien conjuntamente representan, en el atomo de hidrogeno al cual estan unidos, un anillo saturado de 4 a 9 miembros con por lo menos un atomo de carbono y por lo menos otro heteroatomo del grupo siguiente: oxigeno, azufre y nitrogeno; R4 y R5 significan, cada uno, independientemente entre ellos, hidrogeno, un grupo alquilo C1-C24 que puede estar interrumpido por atomos de oxigeno no adyacentes o puede llevar adicionalmente grupos hidroxilo, un grupo cicloalquilo C4-C24 o un grupo alquilo C7-C24; e Y representa un anion sulfato o hidrogen sulfato en la cantidad estequiometrica apropiada; revestidos con un material seleccionado dentro del grupo siguiente: sustancias organicas, inorganicas, hidrofilicas e hidrofobicas.