Method of preparation of the new nitrogenized heterocyclic compounds.

SIZING AGENT FOR PAPER

PROCEDURE FOR THE PRODUCTION OF GLUED PAPER AND MEANS FOR ITS EXECUTION

SIZING AGENT FOR PAPER

SIZING METHOD AND SIZING COMPOSITION FOR USE THEREIN

Method of making lignocellulosic board

Process for producing structurally resistant paper

Method for producing paper, paperboard and cardboard

PAPER SIZE COMPRISING CATIONIC STARCH AND LINEAR POLYMER HAVING BASIC NITROGEN ATOMS

The invention relates to a paper sizing agent comprising a stable aqueous dispersion of a reactive sizing agent, 5 to 100 % by weight, with regard to the reactive sizing agent, of an essentially linear nitrogen-containing polymer with at least 3 mmol/g of basic nitrogen atoms, and 1 to 50 % by weight of cationic starch with a degree of substitution of at least 0.05. The paper sizing agent exhibits a good sizing effect and has a constant viscosity.

Verfahren zur Herstellung von lederähnlichen Produkten.

Verfahren zur Verbesserung der Nassfestigkeit von mit Latex imprägniertem Papier

Verfahren zur Herstellung von synthetischen Papieren bzw. nichtgewebten Stoffen aus mindestens teilweise synthetischen Fasern

Verfahren zur Herstellung von synthetischen Papieren und nichtgewebten Stoffen aus synthetischen Fasern

4-Isocyanato-2,2,5,5-tetrakis(polyhalomethyl)-3-imidazoline (I). where Y1, Y2, Y3 and Y4 are the same or different and are H, Cl or F, are formed by reacting ox

... 4-Isocyanato-2,2,5,5-tetrakis(polyhalomethyl)-3-imidazoline (I). where Y1, Y2, Y3 and Y4 are the same or different and are H, Cl or F, are formed by reacting oxalyl chloride (II) with the corresponding 4-amino-3-imidazoline compounds or their tautomers (III). (1) for waterproofing paper, (2) for modifying polymers e.g. for prepn. of water and oil-repellent PVA films, and (3) as intermediates for the preparation of carboalkoxyiminoimidazolidine carbamyliminoimidazolidines and disubstituted ureas.

EMULSION OF RESINIC ACID ISOCYANATES AS SIZING AGENTS FOR PAPER.

Process for the preparation of an aqueous emulsion usable for sizing cellulosic matter such as papers and cardboards

A diallylamine of formula II, in which R and R' denote hydrogen or an alkyl radical, which can itself be substituted in the case of R', is polymerised. The polymer thus obtained is reacted with an epihalohydrin and an aqueous emulsion is prepared, containing the reaction product thus obtained and also containing a hydrophobic sizing agent endowed with reactivity for cellulose, for example a ketene dimer, an acid anhydride or an organic isocyanate. The aqueous emulsion thus obtained is employed for sizing paper and cardboard. The reaction product acts as a sizing accelerator. ...

A method for manufacturing products replacing leather

PROCESS FOR PRODUCING STRUCTURALLY RESISTANT PAPER

Heterocyclic compounds and methods of preparing the same

... 1,147,541. Substituted imidazolidines and imidazolines; cholesterol ester. E. I. DUPONT DE NEMOURS & CO. 7 March, 1966 [12 March, 1965; 3 June, 1965; 9 Feb., 1966], No. 9931/66. Headings C2C and C2U. [Also in Divisions A5, C3, C4 and C5] Novel imidazolidines and imidazolines of the respective formulµ wherein R represents hydrogen, hydrocarbyl or hydrocarbyl substituted with at least one of the following up to 6 fluorine, chlorine and bromine atoms; OH; NH 2 ; hydrocarbyloxy; hydrocarbylamino; or hydrocarbylamino or hydrocarbyloxy containing oxygen or nitrogen in the hydrocarbon chain and/or substituted by OH, NH 2 , COOH, COOM or F, C1 or Br (M is alkali metal or the equivalent of an alkaline earth metal), X represents any of the possibilities defined for R or RCO- or ROCO- (R having the above significance), Z, Z1, Z2 and Z3 represent hydrogen or fluorine and may be the same or different, with the proviso that R and X together contain no more than 30 carbon atoms ...

Improvements in or relating to sizing paper

A paper-maker's size, which in use is added to aqueous cellulosic paper-pulp, comprises activated clay, e.g. bentonite, and a sizing substance which reacts chemically with the hydroxyl groups of cellulose. The sizing substance may be a ketene dimer having the general formula [R , CH : C : O]2, wherein R may be an alkyl group having at least eight carbon atoms, a cycloalkyl group having at least six carbon atoms, an aryl, aralkyl or alkaryl group. Octyl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, eicosyl, docosyl, tetracosyl, phenyl, benzyl, beta-naphthyl and cyclohexyl ketene dimers are suitable and so are ketene dimers prepared from montanic, naphthenic, D 9, 10 decylenic, D 9, 10 dodecylenic, palmitoleic, oleic, ricinoleic, petroselenic, vaccenic, linoleic, linolenic, eleostearic, licanic, parinaric, tariric, gadoleic, arachidonic, cetoleic, erucic and selacholeic acids and from mixed fatty acids derived from coconut, babassu, palm kernel, palm olive, peanut and rape oils, beef ...

Method for reinforcing a board,sheet or foil

Manufacture of papers and non-woven fabrics

An embodiment of the parent Specification which discloses thoroughly mixing an adhesive and a lubricant together and forming fibres therefrom, adding these fibres to synthetic or glass fibres, forming a paper web, and heating the web so that lubricant and adhesive melt with the adhesive running along the lubricanted synthetic or glass fibres to the points where the fibres intersect, is modified by adding an alkyd resin to the mixture of an adhesive and lubricant. The types and examples of adhesive, lubricant, and synthetic fibres are similar to those described in the parent Specification. Regenerated cellulose fibres may be used. The composite fibres may contain an oil-soluble metal catalyst such as cobalt naphthenate.

LEIMUNGSMITTEL FUER PAPIER

WAESSRIGE GLUING COMPOSITION.

SIZING METHOD AND SIZING COMPOSITION FOR USE THEREIN

Abstract of the Disclosure Disclosed is a method for sizing paper wherein the sizing agent employed is a hydrophobic cellulose reactive sizing agent such as a ketene dimer sizing agent. There is employed in com-bination with the sizing is improved substantially. Disclosed also is a novel sizing composition comprised of the sizing agent and the accelerator, the accelerator being a poly(diallylamine)-epihalohydrin resin.

SIZING METHOD AND SIZING COMPOSITION FOR USE THEREIN

Heterocyclic compounds and methods of preparing the same

Process being used to prevent paper from drinking ink

PERFECTIONING IN PROCESS OF PRODUCTION OF GLUE PAPER AND COMPOSITION OF GLUE FOR USE IN THE SAME

A PROCESS FOR PROVIDING HYDROREPELLENT PROPERTIES TO A FIBROUS MATERIAL AND THEREBY OBTAINED HYDROPHOBIC MATERIALS

Process for treating a fibrous material, to make said material hydrophobic and/or water-repellent, comprising the operation of impregnating said material with a suspension comprising nanoparticles of a hydrophobic material and a cyanoacrylate in an organic solvent and causing the crosslinking of said cyanoacrylate; the process uses an amount of cyanoacrylate and a weight ratio with the nanoparticles such as to produce complete or partial coating of the fibrous material with a matrix of crossliiiked cyanoacrylate in which said nanoparticles are dispersed.

Method of applying a powder coating to a length of a lignocellulosic material

PCT No. PCT/GB97/01464 Sec. 371 Date Nov. 30, 1998 Sec. 102(e) Date Nov. 30, 1998 PCT Filed May 29, 1997 PCT Pub. No. WO97/45591 PCT Pub. Date Dec. 4, 1997A method of applying a powder coating to a length of a lignocellulosic material. The method comprises impregnating the length of lignocellulosic material with an impregnating composition (i) a dicarboxylic anhydride or a tricarboxylic anhydride dissolved in non-aqueous solvent; (ii) an isocyanate thermosetting resin dissolved in a non-aqueous solvent; or (iii) a combination of (i) or (ii). Any excess impregnating composition is then removed from the lignocellulosic material. Non-aqueous solvent is also removed and the impregnated lignocellulosic material is placed in either an electrostatic field or in a fluidized bed and a powder coating composition is applied thereto so that the powder coating composition adheres to the lignocellulosic material. The impregnated and coated lignocellulosic material is then subjected to elevated temperatures ...

Sizing agent and its use

A sizing agent which contains from 1 to 60 parts, by weight, of a fixing and sizing accelerating agent and from 0 to 80 parts, by weight, of conventional auxiliaries per 10 parts by weight of hydrophobic, cellulose-reactive sizing materials, the fixing and sizing accelerating agent being a polymer composed of linear or branched carbon chains, to which primary, secondary or tertiary amino and/or quaternary ammonium groups are bound directly or by side chains exhibits a thorough and rapid sizing effect, in particular in the better sizing of paper.

METHOD OF APPLYING A POWDER COATING TO A LENGTH OF A LIGNOCELLULOSIC MATERIAL

СПОСОБ ИЗГОТОВЛЕНИЯ ЛАМИНАТА

FIELD: technological processes. SUBSTANCE: invention relates to a method of producing impregnated material with a layer of cellulose, which is used for making laminates. Cellulose layer for impregnating the base is impregnated with melamine resin. Layer consisting of a liquid medium with a fraction of isocyanate groups is applied on the upper and/or lower side of the cellulose layer with the impregnated base. Amount of medium is 50–300 g/m 2 . EFFECT: providing a simpler and safer method of making laminates with a warmer, softer and less noise-inducing coating. 12 cl, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК D21H 17/08 D21H 17/51 D21H 19/24 D21H 19/26 D21H 19/62 D21H 27/26 (11) (13) 2 691 045 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК D21H 17/08 (2018.08); D21H 17/51 (2018.08); D21H 19/24 (2018.08); D21H 19/26 (2018.08); D21H 19/62 (2018.08); D21H 27/26 (2018.08) (21)(22) Заявка: 2016138723, 15.06.2015 15.06.2015 (73) Патентообладатель(и): ФЛОРИНГ ТЕКНОЛОДЖИЗ ЛТД. (MT) Дата регистрации: 07.06.2019 Приоритет(ы): (30) Конвенционный приоритет: 3925451 C1, 06.09.1990. WO 93/25384 A1, 23.12.1993. RU 2127666 C1, 20.03.1999. 24.06.2014 EP 14002167.6 (43) Дата публикации заявки: 24.07.2018 Бюл. № 21 (45) Опубликовано: 07.06.2019 Бюл. № 16 (86) Заявка PCT: EP 2015/001195 (15.06.2015) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 24.01.2017 (87) Публикация заявки PCT: 2 6 9 1 0 4 5 WO 2015/197164 (30.12.2015) R U 2 6 9 1 0 4 5 (56) Список документов, цитированных в отчете о поиске: WO 2009/158251 A1, 30.12.2009. DE R U (24) Дата начала отсчета срока действия патента: (72) Автор(ы): КАЛЬВА Норберт (DE) Адрес для переписки: 105082, Москва, Спартаковский пер., 2, стр. 1, секция 1, этаж 3, ЕВРОМАРКПАТ (54) СПОСОБ ИЗГОТОВЛЕНИЯ ЛАМИНАТА (57) Реферат: Изобретение относится к способу изготовления пропитанного материала со слоем целлюлозы, ...

VERFAHREN ZUR PAPIERVEREDLUNG UNTER VERWENDUNG VON POLYISOCYANATEN MIT ANIONISCHEN GRUPPEN

Chlorfreie multifunktionelle Harze für die Papierveredlung

CATIONIC RESIN EMULSIONS AND THEIR USE IN PAPERMAKING

... 1,205,713. Cationic resin dispersions. AMERICAN CYANAMID CO. 31 Jan., 1968 [27 Feb., 1967], No. 5052/68. Headings C3B, C3R and C3U. An aqueous cationic emulsion comprises (I) a water soluble cationic resin, (II) a hydrophobic isocyanate of the type used in paper making, e.g. octadecyl isocyanate and (III) a hydrophobic organic acyl compound of acidic character having m.p. <90‹ C. which is a latent inactivating agent for I. I may be an epoxy resin obtained by reaction of a polyamine with epichlorohydrin, a cationic melamine- or ureaformaldehyde resin or a cationic starch. III may be an aliphatic acid containing at least 12 carbon atoms e.g. stearic acid or its anhydride or acid chloride or a dimer of hexadecyl ketone. The emulsions are useful in paper sizing.

PROCEDURE FOR THE PRODUCTION OF GLUED PAPER AND MEANS FOR ITS EXECUTION

PAPER SIZING AGENT

Method for producing paper, paperboard and cardboard

PROCESS FOR SIZING PAPER AND SIZING COMPOSITION

Chemical process and product

Paper finishing process using polyisocyanates with anionic groups

A sizing composition and a method of sizing

A PROCESS FOR PROVIDING HYDROREPELLENT PROPERTIES TO A FIBROUS MATERIAL AND THEREBY OBTAINED HYDROPHOBIC MATERIALS

Process for treating a fibrous material, to make said material hydrophobic and/or water-repellent, comprising the operation of impregnating said material with a suspension comprising nanoparticles of a hydrophobic material and a cyanoacrylate in an organic solvent and causing the crosslinking of said cyanoacrylate; the process uses an amount of cyanoacrylate and a weight ratio with the nanoparticles such as to produce complete or partial coating of the fibrous material with a matrix of crossliiiked cyanoacrylate in which said nanoparticles are dispersed.

SELF-EMULSIFIABLE ISOCYANATE AND COUPLING AGENT COMPOSITIONSFOR ENHANCING THE STRENGTH AND SIZING PROPERTIES OF CELLULOSIC FIBER AND METHOD OF MAKING AND USING THEREFOR

The invention relates to a composition for enhancing the strength or sizing properties of a cellulosic fiber, comprising a) a self-emulsifying isocyanate and b) a coupling agent. The invention also relates to a kit of the composition, a process for enhancing the strength or sizing of a cellulosic fiber, products made from the process, and modified cellulosic fiber. The coupling agent and self-emulsifiable isocyanante can be added at a number of points in the paper making process. In one embodiment, the coupling agent and self-emulsifiable isocyanate are independently added to the cellulosic fiber at any point between the exit of the machine chest (5) and the screens (11) just prior to the headbox. In one embodiment, the coupling agent and self-emulsifiable isocyanate are added to the cellulosic fiber before or after the screens (11). In one embodiment, the coupling agent and self-emulsifiable isocyanate are added to the cellulosic fiber at the stuff or headbox (6). In a prefered embodiment, the self-emulsifiable isocyanate and coupling agent are added at the fan pump (8). Even more preferably, the self-emulsifiable isocyanate is added just prior to the fan pump (8) and the coupling agent just after the fan pump (8). The coupling agent and self-emulsifiable isocyanate can be added at the same point, either in separate lines or as a premixed composition, or at different points in the process.

Improvement of the resistance of paper by treatment with isocyanates polyfonctionnels

Process for the porous matter allowance

Improvements with the papers treated with latex

PROCESS FOR PRODUCING PAPER WITH A DRY-STRENGTH AND WET-STRENGTH FINISH

A process is disclosed for producing paper with a dry-strength and wet-strength finish by adding to the paper pulp combinations of hydrophilically modified polyisocyanates and polymers containing vinyl amine units, then by dewatering the paper pulp to form sheets of paper, or by treating the paper surface with hydrophilically modified polyisocyanates and polymers containing vinyl amine units. Also disclosed is the use of said combinations of polyisocyanates and polymers as dry-strengthening and wet-strengthening agents of hygienic and kraft papers.

Process for producing structurally resistant paper

Process for the production of structurally strong papers (or paper-like materials) which have a terminable strength by treatment of paper in the pulp or of finished paper in the surface with 0.0001 to 50% by weight, preferably 0.01-25% by weight (based on the pulp), of a mixture of isocyanates which contain on average at least two isocyanate groups and of which at least 20% by weight (preferably at least 50%) are those in which the NCO groups are bonded via an organic radical which contains at least one ester and/or amide group in the main chain.

METHOD FOR PRODUCING PAPER, PAPERBOARD AND CARDBOARD

Verfahren zur Verstärkung einer Platte, eines Blatts oder einer Folie

Reinforcing a board, sheet or foil

A board, sheet or foil of fibrous material is reinforced by the following steps: (a) providing the board, the sheet or the foil of fibrous material; (b) providing a curable liquid; (c) impregnating with said liquid at least a zone (eg. perforated section) of the board, the sheet or the foil for reinforcing; and (d) causing this liquid to cure.

Treating materials with polyisocyanates

Fibrous materials, e.g. cotton, viscose rayon, cuprammonium rayon, cellulose acetate, nylon, polyester fibres, wool, paper and leather derived from cow hide, pig skin, goat skin or horse hide, are waterproofed, softened and rendered wrinkle resistant and tear resistant, by applying thereto a compound having the formula:- in which y is 0 or 1, x is 2, 3 or 4 and R is the hydrocarbon radical of a polymeric fat acid obtained by polymerizing a fat acid which is a naturally occurring or synthetic monobasic aliphatic or cycloaliphatic carboxylic acid having a hydrocarbon radical of 8-24 carbon atoms and may be saturated, ethylenically unsaturated or acetylenically unsaturated acid, e.g. a mixture of oleic and linoleic acids. The fibrous material may be in the form of a woven or nonwoven fabric. The compound may be applied to the fibrous material in undiluted form, as a solution in an organic solvent, e.g. benzene, toluene, hexane or heptane, or in the form of an aqueous ...

SIZING AGENT AND ITS USE.

PROCEDURE FOR THE PRODUCTION OF PAPER, PASTEBOARD AND CARDBOARD

VERFAHREN ZUR HERSTELLUNG GELEIMTEN PAPIERS UND MITTEL ZU SEINER DURCHFUEHRUNG

Use of polyisocyanate resins in filter layers

Method of preparing a sheet of a lignocellulosic material for the manufacture of a finished product and method of manufacture of a finished product

PAPER TREATMENT COMPOSITIONS CONTAINING FLUOROCHEMICAL CARBOXYLIC ACID AND EPOXIDIC CATIONIC RESIN

RESINIC ISOCYANATE EMULSIONS Of ACIDS AS AGENTS Of FINISHING FOR PAPER

Treated cellulosic feedstock and switchgear using it

Process for sizing cellulose fibre containing material

Method of making paper and non-woven materials

СПОСОБ ПРИДАНИЯ ВОЛОКНИСТОМУ МАТЕРИАЛУ ВОДООТТАЛКИВАЮЩИХ СВОЙСТВ И ГИДРОФОБНЫЕ МАТЕРИАЛЫ, ПОЛУЧЕННЫЕ ТАКИМ ОБРАЗОМ

FIELD: nanotechnology. SUBSTANCE: invention relates to endow fibrous material hydrophobic and/or water-repellent properties. Comprises soaking of fibrous material suspension containing nano particles of hydrophobic material and cyanoacrylate in organic solvent, removing solvent, cross-linking of said cyanoacrylate. EFFECT: such amount cyanoacrylate and such its weight ratio to nano particles for complete or partial coating of fibrous material matrix cross-linked cyanoacrylate, in which dispersed said nano particles. 12 cl, 7 dwg, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК D06M 13/348 D06M 15/263 D06M 15/31 D21H 17/08 (13) 2 587 092 C2 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013134001/05, 22.12.2011 (24) Дата начала отсчета срока действия патента: 22.12.2011 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): ЧИНГОЛАНИ Роберто (IT), АТАНАЗЬОУ Атаназиа (IT), БАЙЕР Илькер (IT) 22.12.2010 IT TO2010A001040 (43) Дата публикации заявки: 27.01.2015 Бюл. № 3 R U (73) Патентообладатель(и): ФОНДАЦИОНЕ ИСТИТУТО ИТАЛИАНО ДИ ТЕКНОЛОДЖИА (IT) (45) Опубликовано: 10.06.2016 Бюл. № 16 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 22.07.2013 (86) Заявка PCT: 2 5 8 7 0 9 2 (56) Список документов, цитированных в отчете о поиске: WO 2010059833 A1, 27.05.2010. WO 2009158046 A1, 30.12.2009. GB 2469181A, 06.10.2010. RU 2501900 C1, 20.12.2013.. 2 5 8 7 0 9 2 R U (87) Публикация заявки PCT: C 2 C 2 IB 2011/055904 (22.12.2011) WO 2012/085879 (28.06.2012) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) СПОСОБ ПРИДАНИЯ ВОЛОКНИСТОМУ МАТЕРИАЛУ ВОДООТТАЛКИВАЮЩИХ СВОЙСТВ И ГИДРОФОБНЫЕ МАТЕРИАЛЫ, ПОЛУЧЕННЫЕ ТАКИМ ОБРАЗОМ (57) Реферат: Изобретение касается способа придания указанного цианоакрилата. Используют такое волокнистому материалу гидрофобных и/или количество цианоакрилата и такое его весовое водоотталкивающих свойств. Включает ...

Verfahren zur Herstellung strukturfester Papiere

A process is disclosed for producing structurally resistant paper (or paper-like materials) with a terminable resistance. Paper pulp is treated in the mass or the surface of finished paper is treated with 0.0001 to 50 % by weight, preferably 0.01 to 25 % by weight (in relation to the paper mass) of a mixture of isocyanates that in average have at least 2 isocyanate groups of which at least 20 % by weight (preferably at least 50 %) have NCO groups bound by an organic residue that contains at least one ester and/or amide group in the main chain.

Einsatz von Polyisocyanatharzen in Filterschichten

Es wird ein nassfest ausgerüsteter Filter, insbesondere ein Tiefenfilter mit hoher Quellfähigkeit, beschrieben, der eine Cellulosefasern enthaltende, offenporige Hohlräume aufweisende Filtermatrix umfasst, wobei die Cellulosefasern an ihrer Oberfläche chemisch gebundenes Polyisocyanat aufweisen. In einer bevorzugten Ausführungsform enthält die Filtermatrix in ihren Hohlräumen fein verteilte Mikropartikel. Es wird auch ein Verfahren zur Herstellung solcher Filter sowie deren Verwendung in der Nahrungs-, Getränkemittel- und pharmazeutischen Industrie beschrieben.

Neutral size

A neutral size for paper having less than 10% content of loading material comprises an aqueous dispersion of a hydrophobic cellulose-reactive sizing agent having a particle size of from 1 to 100 mu m. The sizing agent may be an alkyl ketene dimer, a dicarboxyl acid anhydride, carbamoyl chloride or an organic isocyanate.

Treated cellulosic material and electrical apparatus embodying the same

Paper has uniformly distributed through it 1-cyanoacetamide, to reduce loss of strength with time at high temperatures in contact with a fluid dielectric impregnant. The stabilizing compound may be applied to paper at a size press between first and second drier sections of a paper-making machine. Synthetic resins, e.g. phenolic, epoxy, acrylic or dialyl phthalate resins may also be incorporated in the beating of the pulp or later from organic solution. The present stabilizing compound may be used alone or in combination with those of Specifications 938,479 and 1,082,614 or U.S.A. Specification 3,102,159.

Process for producing structurally resistant paper

Method of preparing exfoliated vermiculite for the manufacture of a finished product

METHOD OF APPLYING A POWDER COATING TO A LENGTH OF A LIGNOCELLULOSIC MATERIAL

A method of applying a powder coating to a length of lignocellulosic material such as for example a sheet of paper includes the steps of: (a) impregnating the length of lignocellulosic material with an impregnating composition comprising either: (i) a dicarboxylic anhydride or a tricarboxylic anhydride dissolved in a suitable non-aqueous solvent; or (ii) an isocyanate thermosetting resin dissolved in a suitable non-aqueous solvent; or (ii) a combination of a dicarboxylic anhydride or a tricarboxylic anhydride and an isocyanate thermosetting resin dissolved in a suitable non-aqueous solvent; (b) if necessary removing from the impregnated length of lignocellulosic material any excess of the impregnating composition; (c) removing the nonaqueous solvent or solvents; (d) placing the impregnated length of lignocellulosic material in an electrostatic field or in a fluidized bed and applying a powder coating composition thereto so that the powder coating composition adheres thereto; and (e) then ...

PROCESS FOR SIZING CELLULOSE FIBRE CONTAINING MATERIAL

METHOD FOR FORMING A HYDROPHOBIC LAYER

L'invention concerne un procédé de formation d'une couche hydrophobe filmogène sur un support, comprenant : former une suspension aqueuse de nanofibres de cellulose, NFC; former, dans l'eau avec un solvant non miscible dans l'eau et ayant une température d' évaporation inférieure à celle de l'eau, une nanoémulsion cationique d'une substance formant des liaisons covalentes avec la cellulose; mélanger la suspension et la nanoémulsion de manière à réaliser un mélange résultant d'une adsorption de ladite substance par les NFC; coucher ledit mélange sur un support; et procéder à un recuit propre à greffer ladite substance sur les NFC.

PROCESS FOR IMPARTING WET STRENGTH TO PAPER

Process for imparting wet strength to paper The novel AOX-free process for imparting wet strength to paper with water dispersible polyisocyanates is distinguished by a good wet-strength effect, even under mild drying conditions, and does not affect the activity of optical brighteners used at the same time.

Process for the proofing of cellulosic feedstocks and fibrous, and leather, and produced resulting

PROCESS AND COMPOSITION FOR THE PRODUCTION OF GLOSSY CELLULOSE MATERIALS SUCH AS PAPERS AND PAPERBOARDS PASTE

Composição de gomagem e método de engomação

A PROCESS FOR PROVIDING HYDROREPELLENT PROPERTIES TO A FIBROUS MATERIAL AND THEREBY OBTAINED HYDROPHOBIC MATERIALS

METHOD FOR PRODUCING PAPER, PAPERBOARD AND CARDBOARD

The invention relates to a method for producing paper, paperboard and cardboard by dehydrating paper material containing interfering substances in the presence of fixing agents. Reaction products are used as fixing agents. Said products are obtained by reacting polymers, containing amino and/or ammonium groups, from the group of: polymers containing vinyl amino units, polyalkylene polyamines, polyamidoamines, polyamidoamines grafted with ethylene imine and optionally cross-linked, polydiallydldimethylammoniumchlorides; polymers containing dialkylaminoalkylacrylamide-units or dialkylaminoalkylmethacrylamide units and polyallylamines and dicyandiamide-formaldehyde-condensates, with reactive sizing agents for paper with a polymer/reactive sizing agent weight ratio of 15,000 : 1 to 1 : 1. The invention also relates to reaction products thus obtained and to their use as fixing agents for water soluble and water insoluble interfering substances in the production of paper, paperboard and cardboard from paper materials containing interfering substances.

USE OF POLYISOCYANATE RESINS IN FILTER LAYERS

The invention relates to a wet-strength filter, especially a depth filter with a high swelling capacity. Said filter comprises an open-pored filter matrix containing cellulose fibers and having cavities, said cellulose fibers having chemically bonded polyisocyanate on the surface. According to a preferred form of embodiment, the filter matrix contains finely dispersed microparticles in its cavities. The invention also relates to a method for producing a filter of this type and to the use thereof in the food, beverages and pharmaceutical industries.

БУМАГА СО СТАБИЛЬНЫМ РАЗМЕРОМ И СПОСОБ ЕЕ ПРОМЫШЛЕННОГО ПОЛУЧЕНИЯ

FIELD: textile, paper. SUBSTANCE: paper of stable size includes base-paper, impregnated with an impregnating mixture on at least one front side, which consists of at least one alcohol sugar with common formula HOCH 2 [CH(OH)] n CH 2 OH, where n = 2, 3, 4 or 5; of urea and at least one substance isolated from polyalkyleneglycol and glycerol. EFFECT: invention allows for the production of paper which has a low stretch ration in wet condition, and also proposes substances and mixtures to give modifying properties to the paper or to improve the paper size stability. 20 cl, 1 tbl, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК D21H 27/14 D21H 17/06 D21H 17/08 D21H 27/20 D21H 17/53 (11) (13) 2 630 093 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2015103388, 26.06.2013 (24) Дата начала отсчета срока действия патента: 26.06.2013 (72) Автор(ы): УЛЛЬМАНН Бернд (DE), АРНОЛЬД Хольгер (DE) (73) Патентообладатель(и): АЛЬСТРОМ КОРПОРЕЙШН (FI) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: WO 2005095712 A1, 13.10.2005. KR Приоритет(ы): (30) Конвенционный приоритет: R U 05.09.2017 20020055742 A, 25.03.2010. EP 0098971 A2, 25.01.1984. WO 9735687 A1, 02.10.1997. 03.07.2012 EP 12004946.5 (45) Опубликовано: 05.09.2017 Бюл. № 25 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 03.02.2015 (86) Заявка PCT: FI 2013/050701 (26.06.2013) (87) Публикация заявки PCT: 2 6 3 0 0 9 3 (43) Дата публикации заявки: 20.08.2016 Бюл. № 23 2 6 3 0 0 9 3 R U Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) БУМАГА СО СТАБИЛЬНЫМ РАЗМЕРОМ И СПОСОБ ЕЕ ПРОМЫШЛЕННОГО ПОЛУЧЕНИЯ (57) Реферат: Изобретение относится к целлюлознов которой n = 2, 3, 4 или 5; мочевину и по меньшей бумажной промышленности и касается бумаги мере одно вещество, выбранное из со стабильным размером и способа ее ...

СПОСОБ ПРОКЛЕИВАНИЯ БУМАГИ И КОМПОЗИЦИЯ ДЛЯ ПРОКЛЕИВАНИЯ

Способ касается проклеивания бумаги с использованием водной композиции для проклеивания и может быть использован в целлюлозно-бумажной промышленности. Способ включает получение водной суспензии из целлюлозного волокна и обезвоживание бумажного полотна. К целлюлозной суспензии добавляют водную композицию, включающую агрегаты проклеивающего вещества. Композицию получают смешением в любом порядке перед добавлением в водную суспензию водного раствора, содержащего по меньшей мере один коагулянт, и водной дисперсии, содержащей проклеивающее вещество. При этом дзета-потенциал композиции составляет менее 20 мВ. 2 н. и 24 з.п. ф-лы, 5 табл.

СПОСОБ ПРОКЛЕИВАНИЯ БУМАГИ И КОМПОЗИЦИЯ ДЛЯ ПРОКЛЕИВАНИЯ

... 1. Способ проклеивания бумаги, включающий получение водной суспензии, включающей целлюлозные волокна, обезвоживание указанной водной суспензии с образованием бумажного полотна, причем указанный способ включает добавление к целлюлозной суспензии водной композиции, включающей агрегаты, включающие проклеивающее вещество, при этом композицию получают смешением в любом порядке перед добавлением в водную суспензию (i) водного раствора, включающего по меньшей мере один коагулянт, и (ii) водной дисперсии, включающей проклеивающее вещество, причем дзета-потенциал композиции составляет менее 20 мВ. 2. Способ по п.1, в котором дзета-потенциал композиции составляет менее 18 мВ. 3. Способ по п.2, в котором дзета-потенциал композиции составляет менее 15 мВ. 4. Способ по любому из пп.1-3, в котором средневзвешенный диаметр агрегатов составляет по меньшей мере примерно 5 мкм. 5. Способ п.4, в котором средневзвешенный диаметр агрегатов составляет от примерно 22 до 250 мкм. 6. Способ по любому из пп.1-3, ...

Verfahren zum Veredeln von Fasermaterial

WIEDERAUFSCHLIESSBARE CELLULOSEHALTIGE MATERIALIEN

Verfahren zum Hydrophobieren von Textilgut, Papier, Cellulosehydratfolien, Leder und Pelzwerk

Verfahren zur Nassverfestigung von Papier

Treatment of paper with latex composition

A composition comprises a rubber latex and a water-stable adduct of an organic isocyanate in which the isocyanate group or groups are masked but which can be thermally decomposed to regenerate the isocyanate. The rubbers exemplified are natural rubber, butyl rubber, carboxylic modified styrene (butadiene rubber, nitrile rubber, chloroprene copolymer and SBR. The masking agent for the isocyanate may be phenol, bisphenol or trimethylol propane. Other ingredients are zinc oxide, the sodium salt of ethylene diamine tetraacetic acid and a phenolic antioxident.ALSO:Cellulosic paper is given improved physical properties by impregnating the paper with a composition comprising a rubber latex and a water-stable adduct of an isocyanate in which the isocyanate group or groups are masked but can be thermally decomposed to regenerate the isocyanate, substantially drying the paper at a temperature below the decomposition temperature of the adduct, and heating the paper to at least the said decomposition ...

Self-emulsifiable isocyanate and coupling agent compositions for enhancing the strength and sizing properties of cellulosic fiber and method of making and usingtherefor

Paper finishing process using polyisocyanates with anionic g roups

Process for sizing paper and sizing composition

PAPER TREATMENT WITH EPOXY RESIN PLUS CARBOXYL CONTAINING FLUORO-COMPOUND

AQUEOUS SIZING COMPOSITIONS

AQUEOUS SIZING COMPOSITIONS Described are sizing compositions in the form of aqueous dispersions comprising a hydrophobic cellulose-reactive sizing agent such as a ketene dimer, fortified rosin and a watersoluble, nitrogen-containing cationic dispersing agent. The compositions are highly efficient internal or surface sizing agents for paper and maximize the advantages of each sizing component while minimizing the disadvantages.

PROCESS FOR SIZING CELLULOSE FIBRE CONTAINING MATERIAL

LAMINATE PRODUCTION METHOD

A method for producing an impregnated article comprising a cellulose layer (4) which is impregnated with a melamine resin in order for a core impregnation to be formed is characterized in that a layer (2) of a liquid medium having a moiety of isocyanate groups is applied to the top face (O) and/or the bottom face (U) of the core-impregnated cellulose layer (4).

A PROCESS FOR PROVIDING HYDROREPELLENT PROPERTIES TO A FIBROUS MATERIAL AND THEREBY OBTAINED HYDROPHOBIC MATERIALS

Process for treating a fibrous material, to make said material hydrophobic and/or water-repellent, comprising the operation of impregnating said material with a suspension comprising nanoparticles of a hydrophobic material and a cyanoacrylate in an organic solvent and causing the crosslinking of said cyanoacrylate; the process uses an amount of cyanoacrylate and a weight ratio with the nanoparticles such as to produce complete or partial coating of the fibrous material with a matrix of crossliiiked cyanoacrylate in which said nanoparticles are dispersed.

CHLORINE-FREE MULTIFUNCTIONAL RESINS FOR PAPER FINISHING

ABSTRACT BAYER AKTIENGESELLSCHAFT 5090 Leverkusen, Bayerwerk Konzernverwaltung RP Patente Konzern WX/wa/c199 Chlorine-free multifunctional resins for paper finishing The invention relates to a new process for the prepara-tion of cellulose-containing material provided with a dry-strength and wet-strength finish and/or sized, characterised in that the cellulose-containing material is treated with a water-dispersible polyisocyanate mixture (I), which contains tertiary amino and/or ammon-ium groups, optionally polyether units and optionally hydrophobic groups.

ACETYLATED WOOD FIBRE

An acetylated wood fibre suitable for the fabrication of wood products wherein the wood fibre has a moisture content from about 5% to about 8.5% w/w. 1. An acetylated wood fibre suitable for the fabrication of wood products wherein the acetylated wood fibre has a moisture content from about 5% to about 8.5% w/w.2. The acetylated wood fibre of wherein the wood fibre has a moisture content from about 5% to about 8% w/w.3. The acetylated wood fibre of wherein the wood fibre has a moisture content from about 5.5% to about 7.5% w/w.4. The acetylated wood fibre of wherein the wood fibre has a moisture content of about 6.5% to about 6.8% w/w.59-. (canceled)10. A wood product formed from an acetylated wood fibre suitable for the fabrication of wood products wherein the acetylated wood fibre has a moisture content from about 5% to about 8.5% w/w.11. A wood product according to wherein the wood product is a fibreboard.12. A wood product according to wherein the fibreboard is MDF.13. A wood product according to wherein the wood product is formed by the acetylated wood fibre and MDI resin. This invention relates to the field of wood processing. More specifically, it relates to acetylated wood fibre and a method of processing acetylated wood materials for use in manufacturing of products from the acetylated wood material including wood board manufacture such as wood fibreboard manufacturing.Boards constructed from wood such as wood fibreboards, for example medium density fibreboard (MDF) comprising wood fibres bound together with binder resin are superior in strength and are easily processed due to their homogeneity. Such wooden products including fibreboards can be used to obtain a variety of formed shapes. The shapes can be planar or flat in profile. Curved shapes are also easily formed. They are widely used as materials for furniture and for a variety of construction purposes.In resin fibreboards such as MDI (methylene diphenyl diisocyanate) resin type fibreboards such as MDF ...

COMPOSITION AND USE OF HYDROGENATED ALKYL KETENE DIMERS

Latent dispersants were made by the hydrogenation of an alkyl ketene dimer, alkenyl ketene dimer, or ketene multimer. Adding the latent dispersant to paper or paperboard increased its resistance to water and water vapor while maintaining recyclability and repulpability. Additionally, provided is a method for increasing the repulpability of a wax coated paper or paperboard. Dispersants made by the hydrolysis of the alkyl ketene dimer, alkenyl ketene dimer, and ketene multimer are also described. 2. The composition according to claim 1 , wherein n is an integer from 0 to 3; and can be 0.3. The composition according to claim 1 , wherein R and Rare from about 10 to about 22 carbons in length; can be from about 10 to about 20 carbons in length; and may be from about 12 to about 18 carbons in length.4. The composition according to claim 1 , wherein the composition further comprises at least one additional wax.5. The composition according to claim 4 , wherein the at least one additional wax has a melting point of from about 30° C. to about 200° C.; and can have a melting point of from about 40° C. to about 85° C. claim 4 ,6. The composition according to claim 4 , wherein the at least one additional wax is a paraffin wax or microcrystalline wax.7. The composition of claim 1 , wherein the composition optionally comprises a thermoplastic polymeric material claim 1 , hydrocarbon resins claim 1 , polyethylene acetate claim 1 , polyethylene claim 1 , or any combination thereof.9. The method according to claim 8 , wherein the paper or paperboard is formed and the composition of a) is applied to the surface of the formed paper or paperboard.10. The method according to claim 8 , wherein the composition further comprises at least one additional wax.11. The method according to claim 8 , wherein the composition optionally comprises a thermoplastic polymeric material claim 8 , hydrocarbon resins claim 8 , polyethylene acetate claim 8 , polyethylene claim 8 , or any combination thereof. ...

LAMINATE PRODUCTION METHOD

A method for producing an impregnated article comprising a cellulose layer which is impregnated with a melamine resin in order for a core impregnation to be formed is characterized in that a layer of a liquid medium having a moiety of isocyanate groups is applied to the top face and/or the bottom face of the core-impregnated cellulose layer. 1. A process for the production of an impregnate with a cellulose ply impregnated with a melamine resin to form a core-impregnation system , comprising a layer made of a liquid medium having a proportion of isocyanate groups applied to at least one of an upper side and underside of a core-impregnated cellulose ply.2. The process as claimed in claim 1 , wherein the liquid medium is applied in the form of dispersion with from 50% to 60% solids content claim 1 , the remainder being water claim 1 , and is then dried to give a layer.3. The process as claimed in claim 1 , wherein the liquid medium is applied in the form of heated hotmelt with 100% solids content and during the subsequent cooling spontaneously forms a layer.4. The process as claimed claim 1 , wherein the liquid medium comprises wear-inhibiting particles claim 1 , in particular corundum particles.5. The process as claimed in claim 1 , wherein a quantity of the liquid medium is from 50 g/mto 300 g/m.6. The process as claimed claim 1 , wherein at least one protective covering layer is applied to the layer on the upper side.7. The process as claimed in claim 6 , wherein the protective covering layer comprises nanoparticles to improve resistance to microscratching claim 6 , and/or agents having antistatic effect and/or agents having antibacterial effect provided.8. The process as claimed in claim 1 , wherein the melamine resin takes the form of mixture of melamine resin and urea resin.9. An impregnate produced as claimed in for use in production of a laminate.10. An impregnate for laminate production with a cellulose ply impregnated with a melamine resin to form a core- ...

FINE CELLULOSE FIBER SHEET

The present invention provides a fine cellulose fiber sheet, of which various properties and functions such as paper making ability, solvent resistance, adhesion, functionalization agent immobilization, surface zeta potential, hydrophilicity, hydrophobicity, and air permeation resistance are finely controlled, through a process having low environmental impact. A fine cellulose fiber sheet according to the present invention fulfills all of the following requirements (1) to (3): (1) comprises fine cellulose fibers having an average fiber diameter of 2 nm or greater and 1000 nm or less; (2) the weight ratio of the fine cellulose fibers is 50 wt % or greater and 99 wt % or less; and (3) the block polyisocyanate aggregate content as a weight ratio is 1 to 100 wt % of the weight of the fine cellulose fibers. 1. A fine cellulose fiber sheet that fulfills all of the following requirements (1) to (3):(1) it comprises fine cellulose fibers having an average fiber diameter of 2 nm to 1000 nm and a blocked polyisocyanate aggregate;(2) the weight ratio of the fine cellulose fibers is 50% by weight to 99% by weight; and,(3) the weight ratio of a blocked polyisocyanate aggregate to the fine cellulose fibers is 1% by weight to 100% by weight.2. The fine cellulose fiber sheet according to claim 1 , wherein a cationic group is introduced into the blocked polyisocyanate aggregate.3. The fine cellulose fiber sheet according to or claim 1 , wherein all or a portion of the blocked polyisocyanate aggregate is chemically bound to the fine cellulose fibers to form a crosslinked structure.4. A fine cellulose fiber sheet that fulfills all of the following requirements (1) to (4):(1) it comprises fine cellulose fibers having an average fiber diameter of 2 nm to 1000 nm and a blocked polyisocyanate aggregate;(2) the weight ratio of the fine cellulose fibers is 50% by weight to 99% by weight;(3) a blocked polyisocyanate is uniformly distributed in the sheet in the planar direction and thickness ...

FINE CELLULOSE FIBER SHEET

The present invention provides a fine cellulose fiber sheet, of which various properties and functions such as paper making ability, solvent resistance, adhesion, functionalization agent immobilization, surface zeta potential, hydrophilicity, hydrophobicity, and air permeation resistance are finely controlled, through a process having low environmental impact. A fine cellulose fiber sheet according to the present invention fulfills all of the following requirements (1) to (3): (1) comprises fine cellulose fibers having an average fiber diameter of 2 nm or greater and 1000 nm or less; (2) the weight ratio of the fine cellulose fibers is 50 wt % or greater and 99 wt % or less; and (3) the block polyisocyanate aggregate content as a weight ratio is 1 to 100 wt % of the weight of the fine cellulose fibers. 128-. (canceled)29. A fine cellulose fiber sheet for a total heat exchanger sheet , wherein the fine cellulose fiber sheet fulfills all of the following requirements (1) to (3):(1) it comprises fine cellulose fibers having an average fiber diameter of 2 nm to 1000 nm and a blocked polyisosyanate aggregate;(2) the weight ratio of the fine cellulose fibers is 50% by weight to 99% by weight; and,(3) the weight ratio of a blocked polyisocyanate aggregate to the fine cellulose fibers is 1% by weight to 100% by weight.30. The fine cellulose fiber sheet for a total heat exchanger sheet according to claim 29 , wherein a cationic group is introduced into the blocked polyisocyanate aggregate.31. The fine cellulose fiber sheet for a total heat exchanger sheet according to claim 29 , wherein all or a portion of the blocked polyisocyanate aggregate is chemically bound to the fine cellulose fibers to form a crosslinked structure.32. A fine cellulose fiber sheet for a total heat exchanger sheet claim 29 , wherein the fine cellulose fiber sheet fulfills all of the following requirements (1) to (4):(1) it comprises fine cellulose fibers having an average fiber diameter of 2 nm to 1000 ...

Polyisocyanate addition compounds containing cyanamide groups and their use

PROCEDURE FOR THE TREATMENT OF FIBROUS MATERIALS TO OBTAIN WATER-REPELLENT PROPERTIES, HYDROPHOBIC FIBROUS MATERIALS AND ITEMS THAT INCLUDE THEM OBTAINED

Method of applying liquid sizing of alkyl ketene dimer in ethanol to cellulose fibers entrained in a gas stream

Cellulose fibers are entrained in a gaseous medium and sized while entrained with a sizing material. The sizing material may comprise a nonaqueous solution of alkyl ketene dimer or other sizing material. Also, immersions of fibers in such a nonaqueous sizing solution is another approach for sizing fibers.

FIBER OF MODIFIED WOOD TREATED WITH ACETIC ACID ANHYDRIDE

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 141 093 A (51) МПК C08H 8/00 (2010.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015141093, 20.02.2014 (71) Заявитель(и): МЕДИТ ЮРОП ЛИМИТЕД (IE) Приоритет(ы): (30) Конвенционный приоритет: 26.02.2013 GB 1303348.5 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 28.09.2015 R U (43) Дата публикации заявки: 03.04.2017 Бюл. № 10 (72) Автор(ы): БИРДМОР Пат (IE), ПРЕНДЕРГАСТ Том (IE) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2014/131684 (04.09.2014) R U (54) ВОЛОКНО МОДИФИЦИРОВАННОЙ ДРЕВЕСИНЫ, ОБРАБОТАННОЙ АНГИДРИДОМ УКСУСНОЙ КИСЛОТЫ (57) Формула изобретения 1. Волокно модифицированной древесины, обработанной ангидридом уксусной кислоты, пригодное для изготовления древесных продуктов, которое имеет влагосодержание от приблизительно 5 мас.% до приблизительно 8,5 мас.%. 2. Волокно по п. 1, которое имеет влагосодержание от приблизительно 5 мас.% до приблизительно 8 мас.%. 3. Волокно по п. 1, которое имеет влагосодержание от приблизительно 5,5 мас.% до приблизительно 7,5 мас.%. 4. Волокно по п. 1, которое имеет влагосодержание от приблизительно 6,5 мас.% до приблизительно 6,8 мас.%. 5. Способ формирования древесного волокна, включающий разрушение ацетилированной древесины для получения волокна из ацетилированной древесины, имеющего влагосодержание от приблизительно 5 мас.% до приблизительно 8,5 мас.% после его измельчения для формирования древесного волокна. 6. Способ по п. 5, в котором древесное волокно формируют путем разрушения частей древесины, таких как щепа. 7. Способ по п. 5 или 6, в котором древесное волокно имеет влагосодержание от приблизительно 5 мас.% до приблизительно 8 мас.% после его измельчения для формирования древесного волокна. 8. Способ по п. 5 или 6, в котором древесное волокно имеет влагосодержание от Стр.: 1 A 2 0 1 5 1 4 1 0 9 3 A Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и ...

Pretreatment of filler with cationic ketene dimer

본 발명은 무기 안료 및 셀룰로즈-반응성 사이즈제를 포함하는 종이 또는 종이판용 충진제, 충진제를 제지기중의 셀룰로즈 섬유 분산액에 가하기 전에 물에 분산시킨 무기 안료를 셀룰로즈-반응성 사이즈제의 분산액으로 처리하는 충진제의 제조 방법, 및 충진제의 첨가량에 관계없이 사이징제를 받아들이는 셀룰로즈 섬유 및 충진제 혼합물의 능력을 유지시키기 위해 종이 및 종이판 제조 방법에 상기 처리된 충진제를 사용하는 것에 관한 것이다. The present invention relates to fillers for paper or paper plates containing inorganic pigments and cellulose-reactive sizing agents, fillers for treating inorganic pigments dispersed in water with dispersions of cellulose-reactive sizing agents before adding the fillers to the cellulose fiber dispersions in papermaking. And to the use of the treated fillers in paper and paperboard manufacturing methods to maintain the ability of the cellulose fiber and filler mixtures to accept sizing agents regardless of the amount of filler added.

METHOD FOR PRODUCING LAMINATE

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2016 138 723 A (51) МПК D21H 27/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2016138723, 15.06.2015 (71) Заявитель(и): ФЛОРИНГ ТЕКНОЛОДЖИЗ ЛТД. (MT) Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): КАЛЬВА Норберт (DE) 24.06.2014 EP 14002167.6 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 24.01.2017 R U (43) Дата публикации заявки: 24.07.2018 Бюл. № 21 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2015/197164 (30.12.2015) R U (54) СПОСОБ ИЗГОТОВЛЕНИЯ ЛАМИНАТА (57) Формула изобретения 1. Способ изготовления пропитанного материала со слоем (4) целлюлозы, причем слой (4) целлюлозы для выполнения пропитки основы пропитан меламиновой смолой, отличающийся тем, что на верхнюю сторону (О) и/или на нижнюю сторону (U) слоя (4) целлюлозы с пропитанной основой наносят слой (2), состоящий из жидкой среды с долей изоцианатных групп. 2. Способ по п. 1, отличающийся тем, что жидкую среду наносят в виде дисперсии с долей твердого вещества от 50 до 60% и с остатком в виде воды и затем сушат до образования слоя. 3. Способ по п. 1, отличающийся тем, что жидкую среду наносят в виде нагретого термоклея с долей твердого вещества, составляющей 100%, и при последующем охлаждении самопроизвольно образуется слой. 4. Способ по одному из пп. 1-3, отличающийся тем, что в среде содержатся снижающие износ частицы (6), прежде всего частицы корунда. 5. Способ по одному из предшествующих пунктов, отличающийся тем, что количество среды составляет 50-300 г/м2. 6. Способ по одному из предшествующих пунктов, отличающийся тем, что на слой (2) с верхней стороны (О) наносят по меньшей мере один покровный слой (1). 7. Способ по п. 6, отличающийся тем, что для повышения стойкости к микроцарапинам покровный слой (1) имеет наночастицы (7) и/или предусмотрены Стр.: 1 A 2 0 1 6 1 3 8 7 2 3 A Адрес для переписки: 105082, Москва, Спартаковский пер., 2, стр. 1, секция 1, этаж 3, ...

Method of applying powder coating to length of lignocellulosic material

本发明涉及一种将粉末涂料涂敷到木质纤维素材料段例如纸页上的方法，它包括以下步骤：(a)用一种浸渍组合物浸渍木质纤维素段，所述的组合物包括：(i)一种溶于适宜的非水溶剂中的二羧酸酐或三羧酸酐；或(ii)一种溶于适宜的非水溶剂中的异氰酸酯热固性树脂；或(iii)一种溶于适宜的非水溶剂中的二羧酸酐或三羧酸酐或异氰酸酯热固性树脂的混合物；(b)如果需要的话，从浸渍的木质纤维素材料段中去掉多余的浸渍组合物；(c)去掉非水溶剂；(d)将浸渍的木质纤维素材料段放置在静电场或流化床中，并向其涂敷粉末涂料组合物，以便将粉末涂料粘附到木质纤维素材料段上；(e)然后使木质纤维素材料段经受高温，以便使木质纤维素材料段中的树脂聚合和/或交联，并使粉末涂料组合物固化，以形成粉末涂层。

Patent RU2016138723A3

`”ВУ“” 2016138723°” АЗ Дата публикации: 06.11.2018 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение «Федеральный институт промышленной собственности» ж 9 (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2016138723/05(061691) 15.06.2015 РСТ/ЕР2015/001195 15.06.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14002167.6 24.06.2014 ЕР Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СПОСОБ ИЗГОТОВЛЕНИЯ ЛАМИНАТА Заявитель: ФЛОРИНГ ТЕКНОЛОДЖИЗ ЛТД., МТ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) О21Н 17/08 (2006.01) О21Н 19/24 (2006.01) О21Н 19/62 (2006.01) О21Н 17/51 (2006.01) О21Н 19/26 (2006.01) О21Н 27/26 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) О21Н 17/00, 17/03, 177/07, 177/08, 17/20, 17/33, 17/46, 17/47, 17/49, 17/51, 19/00, 19/10, 19/12, 19/14, 19/24, 19/26, 19/44, 19/62, 21/00, 21/14, 21/16, 27/00, 277/18, 27/22, 27/26, 27/30, 27/36, ВЗ2В 27/00, 27/06-277/10, 27/12, 29/00, В44С 5/00, 5/04 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, ...

Chlorine-free polyfunctional resin for paper finishing

Paper material for sanitary and medical uses

БУМАЖНЫЙ МАТЕРИАЛ САНИТАРНОГИГИЕНИЧЕСКОГО И МЕДИЦИНСКОГО НАЗНАЧЕНИЯ , состо щий из волокнистой основы , пропитанной синтетическим латекс ом на основе этилакрилата и поверхностно-активным веществом - алкилбензолсульфонатом натри , отличающийс  тем, что, с целью повышени  стабильности абсорбционных свойств материала после его стерилизации , в качестве синтетического латекса он содержит латекс сополимера этилакрилата, диметакрилового эфира этиленгликол  и мётилолметакриламида с соотношением мономеров соответственно PAPER MATERIAL OF SANITARY AND HYGENIC AND MEDICAL PURPOSE, consisting of a fibrous base impregnated with synthetic latex based on ethyl acrylate and surface-active substance, sodium alkyl benzene sulphonate, characterized in order to improve the stability of the absorbent materials of the material of the material of the absorbent material of the material of the material of the absorbent materials of the material of the material of the absorbing materials of the material of the material of the material of the materials of absorbent materials of the material of the material of the material of the material of the material, contains a latex of a copolymer of ethyl acrylate, ethylene glycol dimethacrylic ether and methylol methacrylamide with a ratio of monomers, respectively

A sizing composition and a method of sizing

A sizing composition and a method of sizing a cellulosic fiber material are disclosed. The sizing composition comprises an aqueous dispersion of a rosin material and a polyaluminium compound, and is characterised in that the polyaluminium compound is a polyaluminium phosphate sulphate compound. The polyaluminium phosphate sulphate compound should comprise at least 5 % by weight, calculated as aluminium on the amount of rosin material in the composition. It is preferred that the sizing composition also comprises a synthetic sizing agent in addition to the rosin material. The dispersion preferably also includes a dispersing agent and has a dry content of at least 1 % by weight. The sizing composition is used for the sizing of cellulosic fibre materials, such as paper, board or paper board by adding 0.01-5 % by weight, calculated as dry sizing agent on dry cellulose fibers, of the sizing composition to the cellulosic fibre material, preferably to a cellulose stock for internal sizing of the cellulosic fibre material.

Sizing agents for cellulosic fibrous webs and process for their manufacture

Method for producing paper, paperboard and cardboard

The invention relates to a method for producing paper, paperboard and cardboard by dehydrating paper material containing interfering substances in the presence of fixing agents. Reaction products are used as fixing agents. Said products are obtained by reacting polymers, containing amino and/or ammonium groups, from the group of of: polymers containing vinyl amino units, polyalkylene polyamines, polyamidoamines, polyamidoamines grafted with ethylene imine and optionally cross-linked, polydiallydldimethylammoniumchlorides: polymers containing dialkylaminoalkylacrylamide-units or dialkylaminoalkylmethacrylamide units and polyallylamines and dicyandiamide-formaldehyde-condensates, with reactive sizing agents for paper with a polymer/reactive sizing agent weight ratio of 15,000 : 1 to 1 : 1. The invention also relates to reaction products thus obtained and to their use as fixing agents for water soluble and water insoluble interfering substances in the production of paper, paperboard and cardboard from paper materials containing interfering substances.

Patent FR2343857B1

Patent FR2335643B1

Surface sizing composition and method

A method for treating paper which comprises applying to the surface of the paper an aqueous medium containing a sizing composition consisting essentially of 75 to 99.9 wt % polyvinyl alcohol which is at least 95 mole % hydrolyzed and 0.1 to 25 wt % ketene dimer represented by the formula: ##STR1## wherein R and R 1 are the same or different hydrocarbyl groups having 8-30 carbon atoms.

Paper sizing agent

本发明涉及一种包含反应性施胶剂的稳定水分散体，基于反应性施胶剂5-100重量％具有至少3mmol/g碱性氮原子的基本线性含氮聚合物，和1-50重量％取代度至少0.05的阳离子淀粉的纸施胶剂。该纸施胶剂具有好的施胶效果和稳定的粘度。

PAPER BONDING COMPOSITIONS AND METHODS

MULTIFUNCTIONAL RESINS WITHOUT CHLORINE FOR FINISHING PAPER.

LA INVENCION SE REFIERE A UN NUEVO PROCEDIMIENTO PARA LA PRODUCCION DE MATERIAL CONTENIENDO CELULOSA, ENCOLADO, RESISTENTE EN ESTADO SECO Y EN ESTADO HUMEDO, SE CARACTERIZA PORQUE EL MATERIAL QUE CONTIENE CELULOSA SE TRATA CON UNA MEZCLA DE POLIISOCIANATO DISPERSABLE EN AGUA QUE CONTIENE GRUPOS AMINO TERCIARIOS Y/O GRUPOS AMONIO, EN CASO DADO UNIDADES POLIETER Y EN CASO DADO GRUPOS HIDROFOBOS THE INVENTION REFERS TO A NEW PROCEDURE FOR THE PRODUCTION OF MATERIAL CONTAINING CELLULOSE, GLUING, RESISTANT IN A DRY STATE AND IN A WET STATE, IT IS CHARACTERIZED BECAUSE THE MATERIAL CONTAINING CELLULOSE, IS TREATABLE, AND AVAILABLE POLIISOCIANATE AND / OR AMMONIUM GROUPS, IN CASE GIVEN POLYETER UNITS AND IN CASE GIVEN HYDROPHOBIC GROUPS

acetylated wood fiber, process for forming wood fiber, and, wood product

1 / 1 resumo “fibra de madeira acetilada, processo para formar fibra de madeira, e, produto de madeira” a presente invenã§ã£o refere-se a uma fibra de madeira acetilada adequada para a fabricaã§ã£o de produtos de madeira nos quais a fibra de madeira tem um teor de umidade de cerca de 5% a cerca de 8,5% em p/p. 1 / 1 abstract “acetylated wood fiber, process for forming wood fiber, and wood product†the present invention relates to an acetylated wood fiber suitable for manufacturing of wood products in which the wood fiber has a moisture content of about 5% to about 8.5% w/w.

Acetylated wood fibre

An acetylated wood fibre suitable for the fabrication of wood products wherein the wood fibre has a moisture content from about 5% to about 8.5% w/w.

SAETT ATT HYDROFOBERA CELLULOSAFIBERHALTIGA MATERIAL

Process for the production of dry and wet strength paper

A process is disclosed for producing paper with a dry-strength and wet-strength finish by adding to the paper pulp combinations of hydrophilically modified polyisocyanates and polymers containing vinyl amine units, then by dewatering the paper pulp to form sheets of paper, or by treating the paper surface with hydrophilically modified polyisocyanates and polymers containing vinyl amine units. Also disclosed is the use of said combinations of polyisocyanates and polymers as dry-strengthening and wet-strengthening agents of hygienic and kraft papers.

Surface sizing composition and method

A method for treating paper which comprises applying to the surface of the paper an aqueous medium containing a sizing composition consisting essentially of 75 to 99.9 wt% polyvinyl alcohol which is at least 95 mole% hydrolyzed and 0.1 to 25 wt% ketene dimer represented by the formula: wherein R and R¹ are the same or different hydrocarbyl groups having 8-30 carbon atoms.

Method for forming a hydrophobic layer

STABLE PAPER AND METHOD FOR ITS INDUSTRIAL PRODUCTION

1. Бумага со стабильным размером, включающая бумагу-основу, пропитанную, по меньшей мере, с одной лицевой стороны пропитывающей смесью, включающей в свой состав- по меньшей мере, один сахарный спирт общей формулы HOCH[CH(OH)]CHOH, в которой n=2, 3, 4 или 5, предпочтительно, 3 или 4,- мочевину и- по меньшей мере, одно вещество, выбранное из полиалкиленгликоля и глицерина.2. Бумага по п. 1, в котором бумагу-основу пропитывают с применением твердых веществ в количестве, по меньшей мере, 10 масс. % по отношению к сухой массе бумаги-основы, предпочтительно, 15-40 масс. %.3. Бумага по любому одному из пп. 1 или 2, в котором бумагу пропитывают по пропитываемой стороне(ам) еще также иa) латексом, илиb) веществом, обеспечивающее прочность в сухом состоянии.4. Бумага по п. 3, в котором латекс выбирают из группы, состоящей из полиакрилнитрилов, полиакрилатов, поливинилацетатов, стирол-ацетат-сополимеров, стирол-акрилат-сополимеров, стирол-бутадиен-сополимеров, полиэтилентерефталатов и полиуретанов, и смесей двух или нескольких этих веществ.5. Бумага по п. 3, в котором вещество, обеспечивающее прочность в сухом состоянии, представляет собой полимерa) полученный с использованием одного или нескольких мономеров акриловой кислоты и акриламида, или представляет собойb) сополимер из трех мономеров, включающий в свой состав гидрокси-группы, полученный с использованием мономеров акриловой кислоты, акриламида и (гидроксиэтил)метакрилата, или представляет собойc) смесь полимеров в соответствии с (a), смесь полимеров в соответствии с (b) или смесь полимеров в соответствии с (a) и полимеров в соответствии с (b).6. Бумага по любому одному из пп. 4 или 5, также пропитанная, по меньшей мере, по пропитываемой лицевой сторонеa) увлажняющим веществом, РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК D21H 27/14 (13) 2015 103 388 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015103388, 26.06.2013 (71) Заявитель(и): АЛЬСТРОМ КОРПОРЕЙШН (FI) ...

Process for wet strengthening paper

Laminated paperboard products and method of making same

KETENDIMER PAPER LIQUID MODIFIED WITH NON-REACTIVE HYDROPHOBES.

A bonding composition and a method of bonding

Polyisocyanate addition compounds containing cyanamide groups and their use

POLYISOCYANATE ADDITION COMPOUNDS CONTAINING CYANAMIDE GROUPS AND THEIR USE ABSTRACT OF THE DISCLOSURE The invention relates to reaction products prepared from (a) organic polyisocyanates, (b) 0.005 to 0.9 equivalents of a C6-24 alcohol per equivalent of NCO or latent NCO present in component (a), (c) 0.1 to 0.995 mol of cyanamide per equivalent of NCO or latent NCO present in component (a), and (d) ammonia or a volatile amine as neutralizing agent for the cyanamide groups of component (c), with the proviso that the reaction products are free from polyester and polyether groups and from halogen atoms.

Method for producing laminate

Ein Verfahren zur Herstellung eines Imprägnats mit einer Zelluloselage (4), die zur Ausbildung einer Kernimprägnierung mit einem Melaminharz imprägniert ist, zeichnet sich dadurch aus, dass auf die Oberseite (O) und/oder die Unterseite (U) der kernimprägnierten Zelluloselage (4) eine Schicht (2) aus einem flüssigen Medium mit einem Anteil an Isocyanatgruppen aufgebracht wird. A process for producing an impregnate having a cellulose layer (4) which is impregnated with a melamine resin to form a core impregnation is characterized in that the upper side (O) and / or the lower side (U) of the core-impregnated cellulose layer (4) a layer (2) of a liquid medium with a proportion of isocyanate groups is applied.

PROCESS FOR FORMING A HYDROPHOBIC LAYER

L'invention concerne un procédé de formation d'une couche hydrophobe filmogène sur un support, comprenant : former une suspension aqueuse de nanofibres de cellulose, NFC ; former, dans l'eau avec un solvant non miscible dans l'eau et ayant une température d'évaporation inférieure à celle de l'eau, une nanoémulsion cationique d'une substance formant des liaisons covalentes avec la cellulose ; mélanger la suspension et la nanoémulsion de manière à réaliser un mélange résultant d'une adsorption de ladite substance par les NFC ; coucher ledit mélange sur un support ; et procéder à un recuit propre à greffer ladite substance sur les NFC. The invention relates to a method for forming a hydrophobic film-forming layer on a support, comprising: forming an aqueous suspension of cellulose nanofibers, NFC; forming, in water with a water immiscible solvent and having a lower evaporation temperature than water, a cationic nanoemulsion of a substance forming covalent bonds with the cellulose; mixing the suspension and the nanoemulsion so as to produce a mixture resulting from an adsorption of said substance by the NFC; placing said mixture on a support; and performing a clean annealing grafting said substance on the NFC.

Process for producing structurally resistant paper

A process is disclosed for producing structurally resistant paper (or paperlike materials) with a terminable resistance. Paper pulp is treated in the mass or the surface of finished paper is treated with 0.0001 to 50 % by weight, preferably 0.01 to 25 % by weight (in relation to the paper mass) of a mixture of isocyanates that in average have at least 2 isocyanate groups of which at least 20 % by weight (preferably at least 50 %) have NCO groups bound by an organic residue that contains at least one ester and/or amide group in the main chain.

Improvements in or relating to stable ketene dimer-emulsifier mixtures and their preparation

A non-ionic emulsifier, for ketene dimers (see Group III) is made by reacting ethylene oxide with a hexitol in a mole ratio of from 30 to 75 moles of ethylene oxide per mole of the hexitol to form a polyoxyethylene ether of the hexitol, reacting the polyoxyethylene ether of the hexitol with a 12 to 20 carbon atom fatty acid in a ratio from 0.5 to 0.85 moles of fatty acid per hydroxyl equivalent of the polyoxyethylene ether to form an ester, treating the ester with either an acylating, alkylating or etherifying agent, to reduce the hydroxyl number below about 10. The reaction of the polyoxyethylene ether with the fatty acid may be carried out in the presence of a small proportion of a catalyst, preferably in an atmosphere of carbon dioxide. The reduction of the hydroxyl group may be accomplished preferably by acylation but numerous other methods are described. (1) Acylation with anhydrides or acid chlorides of lower fatty acids such as acetic acid and propionic acid. (2) Ketenes such as ketene and methyl ketene may be used. (3) Carbamate esters may be formed with isocyanates. (4) Etherification with dimethyl sulphate and alkali or alkyl iodide and a sodium derivative of the hydroxyl material. (5) Condensation with olefine (isobutylene) in presence of acid catalyst. (6) Cyanoethylation with acrylonitrile and a tertiary amine. Specifically exemplified are the preparation of (1) acetylated polyoxyethylene sorbitol esters, of oleic acid with an acid number 0.66, 3.04 and 1.4, saponification numbers 126, 128 and 137, and hydroxyl numbers 4, 2 and 4 respectively; (2) acetylated polyoxyethylene sorbitol ester of stearic acid with acid number 1.6, saponification number 130 and hydroxyl number 2; (3) acetylated polyoxyethylene sorbitol esters from refined tall oil acids with acid numbers 23.8 and 14, saponification numbers 118 and 132 and hydroxyl numbers 4 and 5 respectively. Ketene dimers mentioned are those prepared from montanic acid, naphthenic acid, D 9,10-decylenic ...

Method for forming wood fibre

FIELD: chemistry. SUBSTANCE: modified wood fibre treated with acetic anhydride, suitable for the manufacture of wood products, which has a moisture content of about 5 to about 8.5 wt. %. EFFECT: present invention does not include wood fibre where fibre from a non-acetylated source is mixed in with the acetylated wood fibre. 9 cl, 3 dwg, 2 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C08H 8/00 B27N 1/00 B27N 3/04 C08L 97/02 (11) (13) 2 716 776 C2 (2010.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08H 8/00 (2013.01); B27N 1/00 (2013.01); B27N 3/04 (2013.01); C08L 97/02 (2013.01) (21)(22) Заявка: 2015141093, 20.02.2014 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ТРИКОЙЯ ТЕКНОЛОДЖИЗ ЛИМИТЕД (GB) Дата регистрации: 16.03.2020 26.02.2013 GB 1303348.5 (43) Дата публикации заявки: 03.04.2017 Бюл. № 10 (45) Опубликовано: 16.03.2020 Бюл. № 8 (56) Список документов, цитированных в отчете о поиске: B. MOHEBBY et al. "Moisture Repellent Effect of Acetylation on Poplar Fibers", J. Agric. Sci. Technol., 2008, 10, 157-163. RU 2471619 C2, 10.01.2013. SU 374170 A1, 20.03.1973. US 5431868 A1, 11.07.1995. (85) Дата начала рассмотрения заявки PCT на национальной фазе: 28.09.2015 2 7 1 6 7 7 6 Приоритет(ы): (30) Конвенционный приоритет: R U 20.02.2014 (72) Автор(ы): БИРДМОР Пат (IE), ПРЕНДЕРГАСТ Том (IE) EP 2014/053307 (20.02.2014) C 2 C 2 (86) Заявка PCT: (87) Публикация заявки PCT: Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) СПОСОБ ФОРМИРОВАНИЯ ДРЕВЕСНОГО ВОЛОКНА (57) Реферат: Волокно модифицированной древесины, продуктов, которое имеет влагосодержание от обработанной ангидридом уксусной кислоты, приблизительно 5 до приблизительно 8,5 мас.%. пригодное для изготовления древесных 2 н. и 7 з.п. ф-лы, 3 ил., 2 табл. R U 2 7 1 6 7 7 6 WO 2014/131684 (04.09.2014) Стр.: 1 RUSSIAN FEDERATION (19) RU (11 ...

PRODUCING PAPER, CARTON AND CARDS

Production of paper, board and cardboard.

METHOD FOR POWDER COATING A LIGNOCELLULOSE-CONTAINING RAIL

Method of preparing exfoliated vermiculite for the manufacture of a finished product

A method of manufacturing a finished product from exfoliated vermiculite particles includes the steps of impregnating the exfoliated vermiculite particles with an impregnating composition consisting of a mineral oil and a liquid thermosetting resin, optionally with a catalyst therefor. Thereafter, the exfoliated vermiculite particles are compressed with heating to allow the mineral oil to infuse the exfoliated vermiculite particles and to polymerise the thermosetting resin to form the finished product.

A process for providing hydrorepellent properties to a fibrous material and thereby obtained hydrophobic materials

유기 용매에 나노입자의 소수성 재료 및 시아노아크릴레이트를 포함하는 현탁액으로 섬유 재료를 함침시키는 공정 및 상기 시아노아크릴레이트의 교차 결합을 유발시키는 공정을 포함하며, 상기 현탁액에서 상기 시아노아크릴레이트의 농도 및 상기 나노입자에 비례한 이의 중량비는 상기 나노입자가 분산된, 교차 결합된 시아노아크릴레이트의 매트릭스로 상기 섬유 재료의 완전한 또는 부분적인 코팅을 생산하기에 충분한 소수성 및/또는 발수성 재료를 만들기 위한 섬유 재료의 처리방법. A step of impregnating a fibrous material with a suspension comprising a hydrophobic material of nanoparticles and a cyanoacrylate in an organic solvent and a step of causing cross-linking of the cyanoacrylate, wherein the amount of the cyanoacrylate Concentration and the weight ratio thereof relative to the nanoparticles is such that the nanoparticles are dispersed in a matrix of cross-linked cyanoacrylates, making the hydrophobic and / or water repellent material sufficient to produce a complete or partial coating of the fiber material / RTI &gt;

Method of making lignocellulosic board

一种从选自木素纤维素颗粒或纤维、软板、片状的板前体的木素纤维素材料制造成品的方法,它包括以下步骤:用浸渍组合物浸渍木素纤维素材料,所说的浸渍组合物包含:矿物油和液体热固性树脂及,任选地,液体热固性树脂的催化剂。此后木素纤维素材料在加热下被压缩以使矿物油注入到木素纤维素材料中和聚合热固性树脂而形成成品。

Method of making lignocellulosic board

A method of manufacturing a finished product from a lignocellulosic material selected from the group consisting of lignocellulosic particles or fibers, soft boards, and board precursors in sheet form includes the steps of impregnating the lignocellulosic material with an impregnating composition consisting of a mineral oil and a liquid thermosetting resin, optionally with a catalyst therefor. Thereafter, the lignocellulosic material is compressed with heating to allow the mineral oil to infuse the lignocellulosic material and to polymerize the thermosetting resin to form the finished product.

Water dispersion for sizing cellulose fibre

Fiberboards, uses and methods of preparation thereof

There is provided a fiberboard, such as a MDF fiberboard or a HDF fiberboard, comprising wood fibers, a binder, and a sludge such as a pulp and a paper sludge. The sludge can be, for example, chosen from a primary pulp and paper sludge, a secondary pulp and paper sludge, a de-inking sludge, and mixtures thereof. It was found that by incorporating such a sludge in fiberboards and thus partially replacing wood fibers by sludge, it is possible to produce a fiberboard, at lower costs, which demonstrated characteristics and properties similar to a standard fiberboard. Processes and compositions used for preparing such fiberboards are also disclosed.

Process for the manufacture of paper, paperboard and carton

(57)【要約】 固定剤として、アミノ基および／またはアンモニウム基を有し、ビニルアミン単位を有する重合体、ポリアルキレンポリアミン、ポリアミドアミン、エチレンイミンをグラフトし、場合により架橋しているポリアミドアミン、ポリジアリルジメチルアンモニウムクロリド、ジアルキルアミノアルキルアクリルアミド単位またはジアルキルアミノメタクリルアミド単位を有するポリマー、ポリアリルアミンおよびジシアンジアミド−ホルムアルデヒド−縮合体の群から成るポリマーと、紙のための反応性サイズ剤との、ポリマーの反応性サイズ剤に対する質量比１５０００：１〜１：５における反応により得られる反応生成物を用いる、固定剤の存在下における有害物質を含む紙料の脱水による紙、板紙およびカートンの製造方法、およびこのようにして得られた反応生成物の、有害物質を含む紙料からの紙、板紙およびカートンの製造における水溶性および非水溶性の有害物質のための固定剤としての使用。

Aqueous sizing compositions

Described are sizing compositions in the form of aqueous dispersions comprising a hydrophobic cellulose-reactive sizing agent such as a ketene dimer, fortified rosin and a water-soluble, nitrogen-containing cationic dispersing agent. The compositions are highly efficient internal or surface sizing agents for paper and maximize the advantages of each sizing component while minimizing the disadvantages.

Patent FR2235991A1

Modification of the properties of fibrous materials

ADHESIVES FOR PAPER BASED ON DIMERO ALCHYLKETENE, MODIFIED WITH NON-REACTIVE HYDROPHOBIC COMPOUNDS

Acetylated wood fibre

An acetylated wood fibre suitable for the fabrication of wood products wherein the wood fibre has a moisture content from about 5% to about 8.5% w/w.

Process for re-consolidating damaged paper

Method for layered product manufacture

本发明涉及一种用于制造具有纤维素层(4)的浸渍物的方法，所述纤维素层由三聚氰胺树脂浸渍以用于构成芯浸渍结构，其特征在于，在所述被芯浸渍的纤维素层(4)的上侧(O)和/或下侧(U)上施加由具有异氰酸酯基成分的液态介质组成的垫层(2)。

A sizing composition and a method of sizing

A sizing composition and a method of sizing a cellulosic fiber material are disclosed. The sizing composition comprises an aqueous dispersion of a rosin material and a polyaluminium compound, and is characterised in that the polyaluminium compound is a polyaluminium phosphate sulphate compound. The polyaluminium phosphate sulphate compound should comprise at least 5 % by weight, calculated as aluminium on the amount of rosin material in the composition. It is preferred that the sizing composition also comprises a synthetic sizing agent in addition to the rosin material. The dispersion preferably also includes a dispersing agent and has a dry content of at least 1 % by weight. The sizing composition is used for the sizing of cellulosic fibre materials, such as paper, board or paper board by adding 0.01-5 % by weight, calculated as dry sizing agent on dry cellulose fibers, of the sizing composition to the cellulosic fibre material, preferably to a cellulose stock for internal sizing of the cellulosic fibre material.

FINISHING MIXTURE

PROCESS FOR TREATING CELLULOSIC PRODUCTS AND PRODUCTS THUS OBTAINED

SOM PAPPERSLIMNINGSAEMNE ANVAENDBAR STABIL FAST SAMMANSAETTNING SOM INNEHAOLLER KETENDIMER.

Method for imparting water-repellent properties to fibrous materials and resulting hydrophobic materials

PAPPERSLIMNINGSKOMPOSITION.

Patent JPS4955904A

FLUORINE ALDOKETENDIMERER OCH DERAS ANVAENDNING SOM COMBINERADE OLJE OCH VATTEN RESISTENTA LIM FOER CELLULOSA MATERIAL

Process for the manufacture of nonwoven fabrics from synthetic fibers

Ketene dimer paper sizing agents modified by nonreactive hydrophobes

A method for improving the sizing of paper internally wherein a ketene dimer is used as sizing agent, characterized by blending said ketene dimer before it is added to the paper stock, said ketene dimer being melted or in hot aqueous dispersion, with a hydrophobe compound, melted or in hot aqueous dispersion respectively, the melting point of said hydrophobe compound being higher than the melting point of the ketene dimer and the ketene dimer being blended with said hydrophobe compound in a ratio of from about 1 to 99 parts by weight of ketene dimer to about 100 parts of hydrophobe compound.

Patent FR2193119B1

Process for producing structurally resistant paper

A process is disclosed for producing structurally resistant paper (or paper-like materials) with a terminable resistance. Paper pulp is treated in the mass or the surface of finished paper is treated with 0.0001 to 50 % by weight, preferably 0.01 to 25 % by weight (in relation to the paper mass) of a mixture of isocyanates that in average have at least 2 isocyanate groups of which at least 20 % by weight (preferably at least 50 %) have NCO groups bound by an organic residue that contains at least one ester and/or amide group in the main chain.

Patent FR2280696B1

A process for providing hydrorepellent properties to a fibrous material and thereby obtained hydrophobic materials

Process for treating a fibrous material, to make said material hydrophobic and/or water-repellent, comprising the operation of impregnating said material with a suspension comprising nanoparticles of a hydrophobic material and a cyanoacrylate in an organic solvent and causing the crosslinking of said cyanoacrylate; the process uses an amount of cyanoacrylate and a weight ratio with the nanoparticles such as to produce complete or partial coating of the fibrous material with a matrix of crossliiiked cyanoacrylate in which said nanoparticles are dispersed.

Process for sizing paper products

Paper size comprising cationic starch and linear polymer having basic nitrogen atoms

The invention relates to a paper sizing agent comprising a stable aqueous dispersion of a reactive sizing agent, 5 to 100 % by weight, with regard to the reactive sizing agent, of an essentially linear nitrogen-containing polymer with at least 3 mmol/g of basic nitrogen atoms, and 1 to 50 % by weight of cationic starch with a degree of substitution of at least 0.05. The paper sizing agent exhibits a good sizing effect and has a constant viscosity.

Finishing method of paper using polyisocyanate having anionic group

(57)【要約】 紙の仕上げに、アニオン性および／またはアニオン性となり得る基を持つ水−分散性ポリイソシアネートならびにカチオン性および／またはカチオン性となり得る化合物を使用することにより、高い歩留まりを導くだけでなく、乾燥および湿潤強度およびサイズも向上するようになる。

Aqueous size composition

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Particulate solid composition and its production

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

PROCESS FOR PREPARING SIZING AGENT AND PROCESS FOR PREPARING PAPER AND THE LIKE TREATED WITH THE SIZING AGENT.

Sizing method and sizing composition for use therein

Disclosed is a method for sizing paper wherein the sizing agent employed is a hydrophobic cellulose reactive sizing agent such as a ketene dimer sizing agent. There is employed in combination with the sizing agent a novel sizing accelerator whereby off-the-machine sizing is improved substantially. Disclosed also is a novel sizing composition comprised of the sizing agent and the accelerator, the accelerator being a poly(diallylamine)epihalohydrin resin.

Method of applying a powder coating to a length of a lignocellulosic material

A method of applying a powder coating to a length of lignocellulosic material such as for example a sheet of paper includes the steps of: (a) impregnating the length of lignocellulosic material with an impregnating composition comprising either: (i) a dicarboxylic anhydride or a tricarboxylic anhydride dissolved in a suitable non-aqueous solvent; or (ii) an isocyanate thermosetting resin dissolved in a suitable non-aqueous solvent; or (ii) a combination of a dicarboxylic anhydride or a tricarboxylic anhydride and an isocyanate thermosetting resin dissolved in a suitable non-aqueous solvent; (b) if necessary removing from the impregnated length of lignocellulosic material any excess of the impregnating composition; (c) removing the non-aqueous solvent or solvents; (d) placing the impregnated length of lignocellulosic material in an electrostatic field or in a fluidized bed and applying a powder coating composition thereto so that the powder coating composition adheres thereto; and (e) then subjecting the length of lignocellulosic material to elevated temperatures to polymerise and/or cross-link the resin or resins in the length of lignocellulosic material and to cure the powder coating composition to form the powder coating.

Process for finishing paper using polyisocyanates having anionic groups

Sized paper and method of making same