Folie auf der Grundlage von Cellulosederivaten

A RELEASE LINER COMPOSITION, A BASE MATERIAL AND A METHOD OF PRODUCING A BASE MATERIAL, AND A SURFACE TREATING AGENT FOR A BASE MATERIAL AND A USE OF A SURFACE TREATING AGENT

The present invention relates to a release liner composition in which the adhesion of silicone has been improved between a silicone coating and a surface treating layer and so silicone rub-off prevented. The improvement of adhesion is based on a polymeric surface treating agent structure comprising a moiety or moieties that are compatible with a substrate and/or a coating on the surface of the substrate, and a moiety or moieties that are reactive or at least compatible with the silicone coating. The present invention also relates to a base material and a method of producing a base material, and a surface treating agent for a base material and a use of a surface treating agent.

COATING COMPOSITION AND COATED PAPER AND COATED PAPERBOARD

A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1 % to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d50) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product.

Trennmittelzusammensetzung,Trägermaterial und Verfahren zur Herstellung eines Trägermaterials und ein Oberflächenbehandlungsmittel für ein Trägermaterial und Verwendung eines Oberflächenbehandlungsmittels

CARBOXYALKYLIERTE CELLULOSEESTERN

Bindemittelzusammensetzung bzw. Trägerzusammensetzung

COATING MATERIAL, PROCESS FOR THE PREPARATION OF COATINGS AND SUBSTRATES COATED THEREWITH

Abstract of the disclosure Coating material, process for the preparation of coatings and substrates coated therewith The invention relates to a coating material for the preparation of coatings, in particular multi-layer paint coatings composed of at least one base layer and, if appropriate, at least one transparent cover coat, the coating material containing film-forming resin (A), cellulose esters (B), solvents (C), metallic pigments (D) and, if appropriate, crosslinking agents (E) and also, if appropriate, further paint additives (F), wherein the cellulose ester (B) has an acetyl content of 2.0 to 30 % by weight, a butyryl content of 17 to 53 % by weight and an average molecular weight M? of at least 25,000, this cellulose ester (B) having been introduced into the coating material in the form of a pasty, thixotropic premix. The invention also relates to a process for the prepar-ation of a multi-layer coating and to the substrates thus coated. The coating materials according to the invention are distinguished, inter alia, by high solids contents at low viscosities, and afford coatings with fault-free metallic effects.

코팅용 조성물, 약물 함유 입자, 고형 제제 및 약물 함유 입자의 제조 방법

본 발명은 구강 내에서의 약물 용출을 억제함으로써 약물의 불쾌한 맛을 억제하고, 또한 구강 내를 통과한 후의 소화관에서는 약물의 용출성이 우수한 약물 함유 입자 및 그의 제조 방법, 및 상기 약물 함유 입자의 제조에 사용하는 코팅용 조성물, 나아가서는 상기 약물 함유 입자를 함유하는 고형 제제를 제공하는 것이다. 셀룰로오스계 장용성 기제 100질량부와, 수용성 셀룰로오스에테르 50질량부 이하를 적어도 포함하는 코팅용 조성물을 제공한다. 또한, 약물을 함유하는 핵 입자와, 상기 핵 입자를 이 코팅용 조성물에 의해 피복한 피복부를 적어도 갖는 약물 함유 입자를 제공한다. 또한, 상기 기재된 약물 함유 입자를 함유하는 고형 제제를 제공한다. 또한, 약물을 함유하는 핵 입자에 이 코팅용 조성물을 피복하는 공정을 적어도 포함하는 약물 함유 입자의 제조 방법을 제공한다.

Carboxyalkyl cellulose esters

This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range of organic solvents, compatibility with a variety of resins, and ease of dispersion in a water-borne formulation and are useful in coating compositions as binder resins and theology modifiers.

COATING MATERIAL, PROCESS FOR THE PREPARATION OF COATINGS AND SUBSTRATES COATED THEREWITH

Polysaccharide, neutralized and polysaccharide composition containing same

Polysaccharide. il a des groupes hydrophile fonctionnels et des groupes nitrate de la manière suivante: (CF DESSIN DANS BOPI) X et Y représentant le nombre de groupes hydroxyle fonctionnels et de groupes nitrate par motif répétitif du polysaccharide respectivement. Industrie du papier. Polysaccharide. it has functional hydrophilic groups and nitrate groups as follows: (CF DRAWING IN BOPI) X and Y representing the number of functional hydroxyl groups and nitrate groups per repeating unit of the polysaccharide respectively. Paper industry.

CROSSLINKABLE COATING SYSTEMS CONTAINING CARBOXYALKYLCELLULOSE ESTERS

An aminoplast crosslinker system is disclosed having improved cure speed as measured by mar resistance and block and print resistance test results. A carboxyalkyl cellulose ester, such as carboxymethyl cellulose acetate butyrate, is dissolved in a solvent, such as methanol or ethanol, and subsequently blended with an aminoplast crosslinker. This mixture may be used as such, or may be added to a mixture containing an alkyd resin or any other compatible polymer. The finished mixture can then be catalyzed with PTSA or any other catalyst material. In a coating, the system provides dramatically improved cure response and print and block resistance over a crosslinker containing an acrylic polyol or Styrene Allyl Alcohol, while at the same time providing improved flow and leveling.

CARBOXYALKYL CELLULOSE ESTERS

This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range of organic solvents, compatibility with a variety of resins, and ease of dispersion in a waterborne formulation and are useful in coating compositions as binder resins and rheology modifiers.

셀룰로오스 에테르의 에스테르를 제조하기 위한 효율적인 방법

The method of producing an esterified cellulose ether is such that a wet cellulosic ether having a water content of at least 10 percent based on the weight of the wet cellulose ether is reacted with an aliphatic monocarboxylic acid anhydride, a dicarboxylic acid anhydride, Can be produced effectively. Further improvements in efficiency and in the reduction of process steps can be achieved in a process for producing esterified cellulose ethers, the process comprising the steps of: a) reacting cellulose with an alkaline substance to produce alkali cellulose B) reacting the produced alkali cellulose with at least one etherifying agent and washing the produced cellulose ether to obtain a wet cellulosic ether having a water content of at least 10 weight percent, and c) Reacting the ether with an aliphatic monocarboxylic acid anhydride and / or a dicarboxylic acid anhydride and with a depolymerization agent.

USE OF CARBOXYALKYL CELLULOSE ESTERS, SUCH AS CARBOXYMETHYL CELLULOSE ACETATE BUTYRATE, TO FORM AQUEOUS DISPERSIONS OF HYDROPHOBIC MATERIALS IN WATER

The present invention relates to methods of dispersing hydrophobic materials into water, using carboxyalkyl cellulose esters such as carboxymethyl cellulose acetate butyrate (CMCAB), and to the resulting aqueous dispersions. The invention relates also to finished coating films made from such dispersions, which exhibit reduced water sensitivity without increasing the film dry time beyond that obtained from aqueous dispersions using conventional surfactants.

Process for producing dispersion of esterified cellulose ether

A process for producing an aqueous composition comprising a dispersed esterified cellulose ether comprises the steps of grinding, in the presence of an aqueous diluent an esterified cellulose ether comprising (i) groups of the formula —C(O)—R—COOA or (ii) a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOA, wherein R is a N divalent aliphatic or aromatic hydrocarbon group and A is hydrogen or a cation, blending a salt of a fatty acid with the esterified cellulose ether and choosing the amounts of aqueous diluent, esterified cellulose ether and salt of a fatty acid that the produced aqueous composition comprises at least 20 percent of the dispersed esterified cellulose ether and heating the aqueous composition to a temperature of from 37 to 80 C during or after the grinding step.

Esterified cellulose ethers of low acetone-insoluble content

Esterified cellulose ethers which have i) as ester groups aliphatic monovalent acyl groups or groups of the formula —C(O)—R—COOA or a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOA, wherein R is a divalent aliphatic or aromatic hydrocarbon group and A is hydrogen or a cation, and ii) a content of not more than 0.85 weight percent acetone-insoluble esterified cellulose ether particles, when the esterified cellulose ether is present in a mixture of 12.5 weight parts of esterified cellulose ether and 87.5 weight parts of acetone at 21° C., the weight percent acetone-insoluble esterified cellulose ether particles being based on the total weight of the esterified cellulose ether, wherein iii) not more than 14 percent of the acetone-insoluble esterified cellulose ether particles have a particle size of more than 90 micrometers.

A release liner composition, a base material and a method of producing a base material, and a surface treating agent for a base material and a use of a surface treating agent

The present invention relates to a release liner composition in which the adhesion of silicone has been improved between a silicone coating and a surface treating layer and so silicone rub-off prevented. The improvement of adhesion is based on a polymeric surface treating agent structure comprising a moiety or moieties that are compatible with a substrate and/or a coating on the surface of the substrate, and a moiety or moieties that are reactive or at least compatible with the silicone coating. The present invention also relates to a base material and a method of producing a base material, and a surface treating agent for a base material and a use of a surface treating agent.

PREPARATION METHOD OF ENTERIC AQUEOUS DISPERSED HYDROXYPROPYL METHYLCELLULOSE PHTHALATE NANOPARTICLE

The present invention relates to a process for preparing enteric water-dispersible hydroxypropyl methylcellulose phthalate nanoparticles, in particular, to a process for preparing enteric water-dispersible hydroxypropyl methylcellulose phthalate nanoparticles in a cost-effective and time-saving manner, in which hydroxypropyl methylcellulose phthalate nanoparticles are prepared without using an emulsifier, wherein the residual electrolyte content is adjusted through ion exchange step for a short period of time followed by the addition of a plasticizer, thereby the environment-friendly water-dispersible hydroxypropyl methylcellulose phthalate nanoparticles showing excellent film properties and enteric coating properties are prepared.

Binder and vehicle compositions comprising a neutralized polysaccharide derivative

Modified polymeric ethers

A fluoralkyl or fluorochloralkyl partial ether of a polymer containing hydroxyl groups, e.g. polyvinyl alcohol or cellulose, is modified by esterification, etherification or acetalization of hydroxyl groups still present. The partial etherification may be carried out with fluoro- or fluorochloro-ethanes or -ethenes, e.g. dichlorodifluorethylene, and specified modified products are nitrates, acetates, sec.-acetates and acetals, e.g. butyrals. Also included are mixed esters, mixed acetals, mixed ester-acetals or -ethers, and materials still containing free hydroxyl groups or in which some free hydroxyl groups have been regenerated by hydrolysis. The products are useful for making moulded articles, lacquers, impregnating compositions, foils and fibres and, in admixture with plasticizers such as camphor, dimethyl phthalate and triaryl esters of phosphoric acid, in making celluloid toys and photographic, e.g. safety and X-ray, films.

USE OF CARBOXYALKYL CELLULOSE ESTERS, SUCH AS CARBOXYMETHYL CELLULOSE ACETATE BUTYRATE, TO FORM AQUEOUS DISPERSIONS OF HYDROPHOBIC MATERIALS IN WATER

METHOD OF PRODUCING MEDICAL INSTRUMENT

COATING COMPOSITION AND COATED PAPER AND COATED PAPERBOARD

A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d50) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product.

Carboxyalkyl cellulose esters

This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range of organic solvents, compatibility with a variety of resins, and ease of dispersion in a water-borne formulation and are useful in coating compositions as binder resins and theology modifiers.

CARBOXYALKYLIERTE CELLULOSEESTERN

A polysaccharide derivative, a neutralized ploysaccharide derivative and a composition comprising the neutralized polysaccharide derivative

The polysaccharide derivative has hydrophilic functional groups and nitrate groups per one repeating unit in the following range: 0.2 Подробнее

Moisture and oil barrier

Provided is the use of a film of a cellulose ester as a barrier against moisture and oil. The cellulose ester has free hydroxyl groups and ester substituents. The ester substituents are each individually selected from C1 to C6 alkyl ester groups (preferably butyrate). The free hydroxyl groups are present in an amount in the range 15 % to 40 mol%. The film is useful as a barrier layer for food packaging. Also provided is a composition comprising the cellulose ester and a further film-forming material, a packaging material comprising a film of the composition, and a method for manufacturing the packaging material.

Carboxyalkyl cellulose esters

THE POLYSACCHARIDE, POLYSACCHARIDE WHICH NEUTRALIZES AND COMPOSITION COMPRISING THE SAME.

PROCESS FOR PRODUCING DISPERSION OF ESTERIFIED CELLULOSE ETHER

um processo para produzir uma composição aquosa compreendendo um éter de celulose esterificado compreende as etapas de moagem, na presença de um diluente aquoso, um éter de celulose esterificado compreendendo (i) grupos da fórmula ?c(o) ? r ? cooa ou (ii) uma combinação de grupos acil monovalentes alifáticos e grupos da fórmula ?c(o) ? r ? cooa, em que r é um grupo alifático bivalente ou hidrocarboneto aromático e a é hidrogênio ou um cátion, misturar um sal de um ácido graxo com o éter de celulose esterificado e escolher as quantidades do diluente aquoso, éter de celulose esterificado e sal de um ácido graxo que a composição aquosa produzida compreende pelo menos 20 por cento do éter de celulose esterificado dispersado e aquecer a composição aquosa para uma temperatura de 37 a 80ºc durante ou após a etapa de moagem. A process for producing an aqueous composition comprising an esterified cellulose ether comprises the milling steps, in the presence of an aqueous diluent, an esterified cellulose ether comprising (i) groups of the formula? c (o)? r? or (ii) a combination of aliphatic monovalent acyl groups and groups of the formula? c (o)? r? where r is a bivalent aliphatic group or aromatic hydrocarbon and a is hydrogen or a cation, mix a salt of a fatty acid with esterified cellulose ether and choose the amounts of aqueous diluent, esterified cellulose ether and salt of a fatty acid that the aqueous composition produced comprises at least 20 percent of the dispersed esterified cellulose ether and heating the aqueous composition to a temperature of 37 to 80 ° C during or after the milling step.

MIXED ESTERS OF HYDROXYALKYL CELLULOSES

The invention relates to liquid crystalline or cholesteric mixed esters of a) hydroxyalkyl ethers of cellulose with b) saturated aliphatic or aromatic carboxylic acids and c) unsaturated mono- or dicarboxylic acids. The invention also relates to polymers obtained by radiation curing of the inventive mixed esters and to coating compounds, especially lacquers, containing the inventive mixed esters or pigments.

Efficient process for preparing an ester of a cellulose ether

A process for producing an esterified cellulose ether can be efficiently be produced by reacting a moist cellulose ether having a water content of at least 10 percent, based on the weight of the moist cellulose ether, with an aliphatic monocarboxylic acid anhydride, a dicarboxylic acid anhydride or a combination thereof. Further improvements in efficiency and reduction in process steps are achieved in a process for producing an esterified cellulose ether which comprises the steps of a) reacting cellulose with an alkaline material to produce alkali cellulose, b) reacting the produced alkali cellulose with one or more etherifying agents and washing the produced cellulose ether to obtain a moist cellulose ether having a water content of at least 10 weight percent, and c) reacting the moist cellulose ether with an aliphatic monocarboxylic acid anhydride and/or a dicarboxylic acid anhydride and with a depolymerizing agent.

A POLYSACCHARIDE DERIVATIVE,A NEUTRALIZED POLYSACCHARIDE DERIVATIVE,AND A COMPOSITION COMPRISING THE NEUTRALIZED POLYSACCHARIDE DERIVATIVE

PREPARATION METHOD OF ENTERIC AQUEOUS DISPERSED HYDROXYPROPYL METHYLCELLULOSE PHTHALATE NANOPARTICLE

COATING COMPOSITION AND COATED PAPER AND COATED PAPERBOARD

A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d50) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product.

SOLVENT-BORNE PRODUCTS CONTAININGS SHORT-CUT MICROFIBERS

Solvent-borne products enhanced with short-cut microfibers and processes for making such enhanced solvent-borne products are disclosed. The short-cut microfibers can function to impart enhanced physical properties (e.g., enhanced thixotropy) to the solvent-borne products. Solvent-borne products suitable for enhancement with short-cut microfibers include flowable products (e.g., coatings, sealants, caulks, mastics, and adhesives) that can be applied to a substrate and that adhere to the substrate when dried and/or cured.

A RELEASE LINER COMPOSITION, A BASE MATERIAL AND A METHOD OF PRODUCING A BASE MATERIAL, AND A SURFACE TREATING AGENT FOR A BASE MATERIAL AND A USE OF A SURFACE TREATING AGENT

Trennfolien-Basismaterialzusammensetzung

Trennmittel-Basismaterialzusammensetzung, umfassend ein Papiersubstrat und eine Oberflächenbehandlungsschicht, aufgetragen auf eine Oberfläche des Papiersubstrats, dadurch gekennzeichnet, dass die Oberflächenbehandlungsschicht ein Oberflächenbehandlungsmittel enthält, umfassend ein Polymer oder Oligomer mit Vinylgruppen, die an das Polymer oder Oligomer gebunden sind.

COATING MATERIAL, PROCESS FOR THE PREPARATION OF COATINGS AND SUBSTRATES COATED THEREWITH

UEBERZUGSMASSE, VERFAHREN ZUR HERSTELLUNG VON UEBERZUEGEN UND DAMIT BESCHICHTETE SUBSTRATE

Trennfolienzusammensetzung, Ausgangsmaterial und Verfahren zur Herstellung eines Ausgangsmaterials sowie Oberflächenbehandlungsmittel für ein Ausgangsmaterial und Verwendung eines Oberflächenbehandlungsmittels

Trennpapier-Basismaterialzusammensetzung, die ein Papiersubstrat und eine Oberflächenbehandlungsschicht, die auf eine Oberfläche des Papiersubstrats aufgebracht ist, enthält, dadurch gekennzeichnet, dass die Oberflächenbehandlungsschicht ein Oberflächenbehandlungsmittel enthält, welches ein Polymer oder Oligomer mit Vinylgruppen, die an das Polymer oder Oligomer gebunden sind, enthält.

Carboxyalkyl cellulose esters

Release liner composition, base material and method of producing base material, and surface treating agent for base material and use of surface treating agent

Mischester von Hydroxyalkylcellulosen

The invention relates to liquid crystalline or cholesteric mixed esters of a) hydroxyalkyl ethers of cellulose with b) saturated aliphatic or aromatic carboxylic acids and c) unsaturated mono- or dicarboxylic acids. The invention also relates to polymers obtained by radiation curing of the inventive mixed esters and to coating compounds, especially lacquers, containing the inventive mixed esters or pigments.

COATING COMPOSITION, DRUG-CONTAINING PARTICLE, SOLID PREPARATION AND METHOD FOR PREPARING DRUG-CONTAINING PARTICLE

SOLVENT-BORNE PRODUCTS CONTAINING SHORT-CUT MICROFIBERS

Use of carboxymethyl cellulose acetate butyrate as a precoat or size for cellulosic man-made fiber boards

A method for improving holdout on a coated, cellulosic substrate, such as a man-made fiber board. The process comprises the steps of applying an aqueous carboxymethyl cellulose acetate butyrate size composition to a man-made fiber substrate, forming a sized substrate. The sized substrate is then dried. Next, an aqueous coating composition is applied to form a coated, sized substrate. The coated, sized substrate is then dried. According to the invention, the aqueous carboxymethyl cellulose acetate butyrate size composition used in the process comprises carboxymethyl cellulose acetate butyrate, water, and an organic solvent. The invention also relates to a sized, man-made fiber substrate comprising a man-made fiber substrate and a carboxymethyl cellulose acetate butyrate size. The carboxymethyl cellulose acetate butyrate may be either an internal sizing agent, or an external sizing agent.

수용성 에스테르화된 셀룰로오스 에테르

... 1. i) R이 2가 탄화수소 기인, 식 - C(O) - R - COOH의 기 또는 지방족 1가 아실 기와 식 -C(O) - R - COOH의 기의 조합을 포함하고, ii) 최대 70,000 달톤의 중량 평균 분자량 Mw를 갖고, iii) 0.4 이하의 - C(O) - R - COOH 기의 중화도를 갖고, 그리고 iv) 2℃에서 적어도 2.0 중량 퍼센트의 물에서 용해도를 가지며, 장용성 캡슐을 제조하는데 유용한 에스테르화된 셀룰로오스 에테르.

Polysaccharidderivate, neutralisierte Polysaccharidderivate und Zusammensetzungen mit einem Gehalt an den neutralisierten Polysaccharidderivaten

MASSA DE REVESTIMENTO,PROCESSO PARA A PREPARACAO DE LAQUEAMENTOS DE VARIAS CAMADAS E SUBSTRATOS REVESTIDOS COM O MESMO

processo eficiente para preparar um éster de um éter de celulose

ESTERIFIED CELLULOSE ETHERS OF LOW ACETONE-INSOLUBLE CONTENT

Base for coating solid enteric pharmaceutical preparations

A coating base for solid enteric pharmaceutical preparations having a dissolution pH ranging from 3.5 to 4.5 essentially consisting of hydroxypropylmethyl cellulose trimellitate obtained by substituting water-soluble hydroxypropylmethyl cellulose having 1.1 to 1.6 methoxy group per glucose ring thereof with 0.2 to 1.0 trimellitate group per glucose ring, or obtained by substituting water-soluble hydroxypropylmethyl cellulose having 1.7 to 2.1 methoxy groups per glucose ring thereof with 0.2 to 0.5 trimellitate group per glucose ring. The coating base can be dissolved at the upper portion of the small intestine without delay and a solid enteric pharmaceutical preparation provided with a coating film of the base can completely release the drug included therein before the preparation passes through the small intestine. Therefore, the base can ensure a high pharmacological action of the drug.

ESTERIFIED CELLULOSE ETHERS OF LOW ACETONE-INSOLUBLE CONTENT

셀룰로오스 에테르의 에스테르를 제조하기 위한 방법

... 에스테르화된 셀룰로오스 에테르를 생산하기 위한 방법으로서, 셀룰로오스 에테르를 지방족 모노카복실산 무수물 및/또는 디카복실산 무수물과 그리고 탈중합제와 반응시키는 단계를 포함하고, 상기 셀룰로오스 에테르는 20℃에서 수중 2 중량-% 용액으로 측정 시 적어도 500 mPaㆍs의 초기 점도를 가지고, 그리고 상기 셀룰로오스 에테르의, 상기 지방족 모노카복실산 무수물 및/또는 상기 디카복실산 무수물과의, 그리고 상기 탈중합제와의 반응은 하나의 반응 장치 안에서 동시에 또는 순서대로 수행되는, 방법.

Unterlagen fuer Sicherheitsphotofilme

Process for preparing an ester of a cellulose ether

ESTERIFIED CELLULOSE ETHERS COMPRISING PHTHALYL GROUPS

셀룰로오스 에테르의 에스테르를 제조하기 위한 효율적인 방법

... 에스테르화 셀룰로오스 에테르를 생산하는 방법은, 습식 셀룰로오스 에테르의 중량을 기준으로 한, 적어도 10 퍼센트의 물 함량을 갖는 습식 셀룰로오스 에테르는, 지방족 모노카복실산 무수물, 디카복실산 무수물 또는 이의 조합과 반응시킴에 의하여, 효과적으로 생산될 수 있다. 효율 및 공정 단계의 감소에 있어서의 추가 개선은 에스테르화 셀룰로오스 에테르를 생산하는 방법에서 달성될 수 있으며, 여기서 상기 방법은 하기 단계를 포함한다: a) 셀룰로오스와 알칼리성 물질을 반응시켜 알칼리 셀룰로오스를 생산하는 단계, b) 상기 생산된 알칼리 셀룰로오스와 하나 이상의 에테르화제를 반응시키고, 상기 생산된 셀룰로오스 에테르를 세정하여, 적어도 10 중량 퍼센트의 물 함량을 갖는 습식 셀룰로오스 에테르를 수득하는 단계, 및 c) 상기 습식 셀룰로오스 에테르를, 지방족 모노카복실산 무수물 및/또는 디카복실산 무수물과, 그리고 탈중합제와 반응시키는 단계.

연자성 재료 분말 및 그의 제조 방법, 및 자심 및 그의 제조 방법

... 연자성 재료 분말은, Fe계의 연자성 재료를 포함하는 코어와, 코어의 표면을 피복하는 절연막을 갖고, 절연막에는 무기 산화물과 수용성 고분자를 함유하는, 연자성 재료 입자를 포함한다. 자심은, 연자성 재료 입자와, 각 연자성 재료 입자를 결합하는 결합제를 포함하는 자심이며, 연자성 재료 입자는, Fe계의 연자성 재료를 포함하는 코어와, 코어의 표면을 피복하는 절연막을 갖고, 절연막에는 무기 산화물과 수용성 고분자를 함유한다.

Coating composition and coated paper and coated paperboard

A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d50) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product.

METHOD OF PRODUCING MEDICAL INSTRUMENT

A method of producing a medical instrument whereby a highly hydrophilic and lubricant coating layer having a high durability can be formed by a simple technique and thus highly hydrophilic and lubricant properties can be imparted to a surface of a medical instrument. An intraocular lens insertion instrument having been subjected to a surface treatment as described above is also provided. The method comprises the steps of: preparing a coating solution by mixing at least a water-insoluble polymer having carboxyl group and a polyfunctional reactive compound with an organic solvent; applying this solution on the surface of the medical instrument; conducting crosslinking; and performing a chemical reaction process whereby the coating layer is made hydrophilic. The intraocular lens insertion instrument is made hydrophilic by forming the coating layer as described above on an inner surface of an insertion tube portion, crosslinking and then performing the chemical reaction process.

WATER-SOLUBLE ESTERIFIED CELLULOSE ETHERS

... 1. An esterified cellulose ether which i) comprises groups of the formula - C(O) - R - COOH or a combination of aliphatic monovalent acyl groups and groups of the formula -C(O) - R - COOH, wherein R is a divalent hydrocarbon group, ii) has a weight average molecular weight Mw of up to 70,000 Dalton, iii) has a degree of neutralization of the groups - C(O) - R - COOH of not more than 0.4, and iv) has a solubility in water of at least 2.0 weight percent at 2 °C, is useful for preparing enteric capsules.

Cellulose ether acetate phthalates

A cellulose ether acetate phthalate is provided, wherein the degree of substitution of phthalyl groups is from 0.02 to 0.25, the degree of neutralization of phthalyl groups is not more than 0.5, the degree of substitution of acetyl groups is from 0.02 to 0.40, and the total degree of substitution of phthalyl and acetyl groups is not more than 0.50. The cellulose ether acetate phthalate has a solubility in water of at least 2.0 weight percent at 2° C.

Anti-Corrosion Coating for a Glass Substrate

A coated glass substrate is disclosed as well as a method of making the coated glass substrate. The coated glass substrate includes a glass substrate and a coating on a surface of the glass substrate wherein the coating includes a polycationic polymer and a polyoxazoline. The coating provides a glass substrate with improved anti-corrosion properties. 1. A coated glass substrate comprisinga glass substrate; anda coating on a surface of the glass substrate wherein the coating includes a polycationic polymer and a polyoxazoline.2. The coated glass substrate according to claim 1 , wherein the weight ratio of the polycationic polymer to the polyoxazoline is from 2.5 to 10.3. The coated glass substrate according to claim 1 , wherein the polycationic polymer is formed from a compound having the following general structure:{'br': None, 'sup': +', '6', '7', '8', '9', '−, '[XRRRR] [Y]'} X is N or P;', {'sup': 6', '7', '8', '9', '6', '7', '8', '9, 'sub': 1', '6', '1', '6', '1', '6, 'R, R, R, and Rindependently of one another can be H, a C-Calkyl, a C-Calkenyl, a C-Calkynyl wherein at least one of R, R, R, and Rincludes at least one unsaturated carbon bond; and'}, 'Y includes a counterion., 'wherein'}4. The coated glass substrate according to claim 1 , wherein the polycationic polymer includes a quaternary ammonium polymer.5. The coated glass substrate according to claim 1 , wherein the polycationic polymer includes a polyquaternium polymer.6. The coated glass substrate according to claim 1 , wherein the polycationic polymer comprises a halide salt.7. The coated glass substrate according to claim 1 , wherein the polycationic polymer includes poly(diallyl dimethylammonium) chloride.8. The coated glass substrate according to claim 1 , wherein the polycationic polymer includes a quaternized cellulose.9. The coated glass substrate according to claim 8 , wherein the quaternized cellulose includes a quaternized cellulose derivative.10. The coated glass substrate according to claim 1 ...

Hypromellose acetate succinate, method for producing the same and composition containing the same

A COATING MATERIAL

A coating material, a composite material, and an anti-fouling paint. The coating material comprises a polymer matrix and embedded particles of caustic partially calcined dolomite or caustic magnesite.

CARBOXYALKYL CELLULOSE ESTERS

This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range of organic solvents, compatibility with a variety of resins, and ease of dispersion in a waterborne formulation and are useful in coating compositions as binder resins and rheology modifiers.

HYPROMELLOSE ACETATE SUCCINATE, METHOD FOR PRODUCING THE SAME AND COMPOSITION CONTAINING THE SAME

Provided are hypromellose acetate succinate (HPMCAS) which exhibits high solubility and can suppress generation of undissolved materials when dissolved in a solvent; an HPMCAS-containing composition; and a method for producing the HPMCAS. More specifically, provided are HPMCAS having a ratio of 2-position MS to 3-position MS of 1.2 or less, wherein the 2-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 2-position carbon of each glucose unit of the HPMCAS has been directly replaced, and the 3-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 3-position carbon of each glucose unit of the HPMCAS has been directly replaced; a composition comprising the HPMCAS and a solvent; and the method for producing the HPMCAS. 1reacting pulp with an alkali to obtain alkali cellulose;reacting the alkali cellulose with a methyl etherifying agent and a hydroxypropyl etherifying agent to obtain hydroxypropyl methyl cellulose in such a manner that a reaction ratio of the hydroxypropyl etherifying agent is 40% or less at the time when a reaction ratio of the methyl etherifying agent is 30%, or the reaction ratio of the hydroxypropyl etherifying agent is 90% or less at the time when the reaction ratio of the methyl etherifying agent is 50%; andreacting the hydroxypropyl methyl cellulose with acetic anhydride and succinic anhydride to obtain the hypromellose acetate succinate having a ratio of 2-position MS to 3-position MS of 1.2 or less, wherein the 2-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 2-position carbon of each glucose unit of the hypromellose acetate succinate has been directly replaced, and the 3-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 3-position carbon of each glucose unit of the hypromellose acetate succinate has been ...

éteres de celulose esterificados solúveis em água

SOFT MAGNETIC MATERIAL POWDER AND MANUFACTURING METHOD THEREOF, AND MAGNETIC CORE AND MANUFACTURING METHOD THEREOF

A soft magnetic material powder includes soft magnetic material particles, the soft magnetic material particles each include a core formed from an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. A magnetic core includes soft magnetic material particles and a binder bonding the soft magnetic material particles to each other, the soft magnetic material particles each include a core containing an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. 1. A soft magnetic material powder comprising:soft magnetic material particles,wherein the soft magnetic material particles each include:a core containing an Fe-based soft magnetic material; andan insulating film covering the surface of the core, andthe insulating film contains an inorganic oxide and a water soluble polymer.2. The soft magnetic material powder according to claim 1 ,wherein the water soluble polymer is at least one selected from the group consisting of a poly(vinyl pyrrolidone), a poly(ethylene imine), a carboxymethyl cellulose, a gelatin, a poly (acrylic acid), a poly(ethylene glycol), and a poly(vinyl alcohol).3. The soft magnetic material powder according to claim 1 ,wherein the water soluble polymer is a poly(vinyl pyrrolidone) and is contained in a range of 0.01 to 1 percent by weight with respect to 100 percent by weight of the Fe-based soft magnetic material.4. The soft magnetic material powder according to claim 1 ,{'sub': 2', '2', '2', '3, 'wherein the inorganic oxide is at least one selected from the group consisting of TiO, SiO, AlO, and ZrO.'}5. The soft magnetic material powder according to claim 1 ,{'sub': '2', 'wherein the inorganic oxide is SiOand is contained in a range of 0.01 to 5 percent by weight with respect to 100 percent by weight of the Fe-based soft ...

RELEASE LINER BASE MATERIAL, METHOD FOR PRODUCING IT AND USE THEREOF

Usage of carboxymethyl cellulose acetate butyrate

Esterified cellulose ethers comprising phthalyl groups

An esterified cellulose ether is provided wherein the ester groups are phthalyl groups, the degree of substitution of phthalyl groups is from 0.02 to 0.18, the degree of neutralization of phthalyl groups is not more than 0.75, and the esterified cellulose ether has a solubility in water of at least 2.0 weight percent at 2° C.

연자성 재료 분말 및 그의 제조 방법, 및 자심 및 그의 제조 방법

... 연자성 재료 분말은, Fe계의 연자성 재료를 포함하는 코어와, 코어의 표면을 피복하는 절연막을 갖고, 절연막에는 무기 산화물과 수용성 고분자를 함유하는, 연자성 재료 입자를 포함한다. 자심은, 연자성 재료 입자와, 각 연자성 재료 입자를 결합하는 결합제를 포함하는 자심이며, 연자성 재료 입자는, Fe계의 연자성 재료를 포함하는 코어와, 코어의 표면을 피복하는 절연막을 갖고, 절연막에는 무기 산화물과 수용성 고분자를 함유한다.

Trennmittelzusammensetzung,Trägermaterial und Verfahren zur Herstellung eines Trägermaterials und ein Oberflächenbehandlungsmittel für ein Trägermaterial und Verwendung eines Oberflächenbehandlungsmittels

Oberflächenbehandlungsmittel, dadurch gekennzeichnet, dass es ein Gerüstpolymer umfasst, mit dem verbunden wurden Seiten- oder Endgruppen, ausgewählt aus Strukturen der allgemeinen Formel (I) R1R3R4O-, wobei R1 ein Aldehyd oder Keton der Formein Silanhydrid der Formoder eine ungesättigte Struktur der Form CR5 2=CR2 ist, in dem R2 und R5 H, eine C1...C20 Alkylkette, eine C1...C20 Alkenylkette, eine C1...C20 Fettsäurekette oder eine C1...C10 Fettsäureesterkette darstellen, R3 eine lineare oder verzweigte, substituierte oder nichtsubstituierte C1...C20 Alkyl- oder Alkenylkette oder eine -OSiR2 6O Gruppe darstellt, in der R6 eine Hydroxylgruppe, eine C1...C20 Alkyl- oder Alkoxykette darstellt, und R4 eine Carbonylgruppe (C=O) darstellt, (II) R1R3O-, wobei R1 ein Aldehyd oder Keton der Formein Silanhydrid der Formoder eine ungesättigte Struktur der Form CR5 2=CR2 ist, in dem R2 und R5 H, eine C1...C20 Alkylkette, eine C1...C20 Alkenylkette, eine C1...C20 Fettsäurekette oder eine C1...C10 Fettsäureesterkette ...

낮은 아세톤-불용성 함량의 에스테르화된 셀룰로오스 에테르

... 하기의 것을 가지는 에스테르화된 셀룰로오스 에테르: i) 에스테르기로서 지방족 1가 아실기 또는 화학식 -C(O)-R-COOA의 기 또는 지방족 1가 아실기와 화학식 -C(O)-R-COOA의 기의 조합(식 중, R은 2가 지방족 또는 방향족 탄화수소기이고, A는 수소 또는 양이온임), 및 ii) 에스테르화된 셀룰로오스 에테르가 21℃에서 12.5 중량부의 에스테르화된 셀룰로오스 에테르와 87.5 중량부의 아세톤의 혼합물에 존재하는 경우에서의 0.85 중량% 이하의 아세톤-불용성 에스테르화된 셀룰로오스 에테르 입자의 함량(상기 중량%의 아세톤-불용성 에스테르화된 셀룰로오스 에테르 입자는 에스테르화된 셀룰로오스 에테르의 총 중량을 기준으로 함), 여기서 iii) 아세톤 불용성 에스테르화된 셀룰로오스 에테르 입자의 14% 이하는 90 마이크로미터 초과의 입자 크기를 가짐.

셀룰로오스 에테르 아세테이트 석시네이트의 생산 방법

... 셀룰로오스 에테르 아세테이트 석시네이트를 생산하는 방법으로서, 상기 방법은 셀룰로오스 에테르를 아세트산 무수물, 석신산 무수물 및 해중합제와 반응시키는 단계를 포함하되, 상기 셀룰로오스 에테르는 20 에서 물 중 2 중량-% 용액으로서 측정시 적어도 50 mPaㆍs의 초기 점도를 가지며, 그리고 상기 셀룰로오스 에테르와 상기 아세트산 무수물, 석신산 무수물 및 해중합제와의 반응은 하나의 반응 장치에서 동시에 또는 순차적으로 수행된다.

Chinese honeylocust fruit finish paint

一种皂角面漆，包括皂角液10～30份，橄榄油10～30份，羧甲基纤维素硝酸酯20～30份，溶剂50～60份，Span80 5～8份，水100～120份。本发明采用皂角液或者橄榄油作为水性光油的主原料处理家具表面，并且根据皂角液和橄榄油的本色，可以实现客户定制家具颜色的要求，其中皂角液可以涂饰浅色家具，橄榄油涂饰深色家具。实现企业自主环保体系建设，同时应用新工艺，取代传统的油漆涂饰家具，填补了同行业创“绿色、环保”家具的空白。

Chinese honeylocust fruit extract surface coating

一种皂角提取物表面涂料，包括皂角液10～30份，橄榄油10～30份，羧甲基纤维素硝酸酯20～30份，溶剂50～60份，Span80 5～8份，水100～120份。本发明采用皂角液或者橄榄油作为水性光油的主原料处理家具表面，并且根据皂角液和橄榄油的本色，可以实现客户定制家具颜色的要求，其中皂角液可以涂饰浅色家具，橄榄油涂饰深色家具。实现企业自主环保体系建设，同时应用新工艺，取代传统的油漆涂饰家具，填补了同行业创“绿色、环保”家具的空白。

SOLVENT-BORNE PRODUCTS CONTAININGS SHORT-CUT MICROFIBERS

Solvent-borne products enhanced with short-cut microfibers and processes for making such enhanced solvent-borne products are disclosed. The short-cut microfibers can function to impart enhanced physical properties (e.g., enhanced thixotropy) to the solvent-borne products. Solvent-borne products suitable for enhancement with short-cut microfibers include flowable products (e.g., coatings, sealants, caulks, mastics, and adhesives) that can be applied to a substrate and that adhere to the substrate when dried and/or cured.

Coating composition and coated paper and coated paperboard

A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1 % to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d50) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product.

AQUEOUS PIGMENT DISPERSION AND AQUEOUS INK

The present invention provides an aqueous pigment dispersion including a pigment, an anionic group-containing organic polymer compound, and bio-nanofibers having an average diameter of 1 nm or more and 100 nm or less and an aspect ratio of 100 or more, and also provides an aqueous ink using the aqueous pigment dispersion. The bio-nanofibers are preferably cellulose nanofibers or chitosan nanofibers. The anionic group-containing organic polymer compound is preferably at least one selected from the group consisting of acrylic resins having anionic groups, polyurethane resins having anionic groups, and polysaccharide derivatives having anionic groups. 1. An aqueous pigment dispersion comprising a pigment , an anionic group-containing organic polymer compound , and bio-nanofibers having an average diameter of 1 nm or more and 100 nm or less and an aspect ratio of 100 or more.2. The aqueous pigment dispersion according to claim 1 , wherein the bio-nanofibers are cellulose nanofibers or chitosan nanofibers.3. The aqueous pigment dispersion according to claim 1 , wherein the anionic group-containing organic polymer compound is at least one selected from the group consisting of acrylic resins having anionic groups claim 1 , polyurethane resins having anionic groups claim 1 , and polysaccharide derivatives having anionic groups.4. The aqueous pigment dispersion according to claim 1 , wherein the content of the bio-nanofibers is a bio-nanofibers/pigment ratio of 1/100 to 1/8.5. An aqueous ink comprising the aqueous pigment dispersion according to . The present invention relates to an aqueous pigment dispersion or the like containing bio-nanofibers and a method for producing the same.In recent years, an aqueous ink composition (may be referred to as an “aqueous ink” hereinafter) has taken the place of an organic solvent-based ink in a wide range of fields because of its safety and little environmental load, and particularly an odorless aqueous ink has become essential as an ...

Coating material useful for preparation of paints, fillers, putty, adhesives, films, car lacquers, floodlight light distribution plate contains at least one binder from a free radical crosslinkable esterified polymeric cellulose ether

A coating material containing at least one binder from a free radical crosslinkable esterified polymeric cellulose ether or a mixture of two or more free radical crosslinkable esterified polymeric cellulose ethers, in which the anhydroglucose units of the polymeric cellulose are substituted by alkylene oxide units is new The coating material contains at least one binder from a free radical crosslinkable esterified polymeric cellulose ether or a mixture of two or more free radical crosslinkable esterified polymeric cellulose ethers, in which the anhydroglucose units of the polymeric cellulose are substituted by alkylene oxide units, at least 90% of all the available OH groups of the cellulose ether are esterified with one or more unsaturated carboxylic acid esters, and the material contains a maximum of 75 wt% binder.

Substrat auf Cellulosefaserbasis

Substrat auf Cellulosefaserbasis, von dem zumindest eine Oberfläche mit einer Oberflächenbehandlungsschicht beschichtet ist, umfassend zumindest ein wasserlösliches polymeres Rückgrat, dadurch gekennzeichnet, dass das wasserlösliche polymere Rückgrat Hydroxylfunktionen aufweist, von denen zumindest einige vorher mit zumindest einem organischen Molekül reagiert sind, das eine Vinylfunktion und eine Aldehydfunktion umfasst. A cellulosic fiber-based substrate having at least one surface coated with a surface treatment layer comprising at least one water-soluble polymeric backbone, characterized in that the water-soluble polymeric backbone has hydroxyl functions, at least some of which have been previously reacted with at least one organic molecule having a vinyl function and includes an aldehyde function.

Método para melhorar a retenção sobre um substrato celulósico revestido, substrato de fibras manufaturadas revestido, e, composição de placa encolada

USE OF CARBOXYMETHYL CELLULOSE ACETATE BUTYRATE

A method for improving holdout on a coated, cellulosic substrate, such as a man-made fiber board. The process comprises the steps of applying an aqueous carboxymethyl cellulose acetate butyrate size composition to a man-made fiber substrate, forming a sized substrate. The sized substrate is then dried. Next, an aqueous coating composition is applied to form a coated, sized substrate. The coated, size substrate is then dried. According to the invention, the aqueous carboxymethyl cellulose acetate butyrate size composition used in the process comprises carboxymethyl cellulose acetate butyrate, water, and an organic solvent. The invention also relates to a sized, man-made fiber substrate comprising a man-made fiber substrate and a carboxymethyl cellulose acetate butyrate size. The carboxymethyl cellulose acetate butyrate may be either an internal sizing agent, or an an external sizing agent.

Trennfolienzusammensetzung, Ausgangsmaterial und Verfahren zur Herstellung eines Ausgangsmaterials sowie Oberflächenbehandlungsmittel für ein Ausgangsmaterial und Verwendung eines Oberflächenbehandlungsmittels

Zellulosefaser-basiertes Substrat, von dem mindestens eine Oberfläche mit einer Oberflächenbehandlungsschicht, die mindestens ein wasserlösliches Polymerrückgrat enthält, beschichtet ist, dadurch gekennzeichnet, dass das wasserlösliche Polymerrückgrat Hydroxylfunktionen aufweist, von denen mindestens einige zuvor mit mindestens einem organischen Molekül, das eine Vinylfunktion und eine Aldehydfunktion enthält, umgesetzt worden sind.

Preparation method of enteric aqueous dispersed hydroxypropyl methylcellulose phthalate nanoparticle

METHOD OF PRODUCING MEDICAL INSTRUMENT

The problems to be solved by this invention to provide a method of producing a medical instrument whereby a highly hydrophilic and lubricant coating layer having a high durability can be formed by a simple technique and thus highly hydrophilic and lubricant properties can be imparted to the surface of a medical instrument, and to provide an instrument for inserting an intraocular lens having been subjected to the surface treatment as described above. These problems can be solved by preparing a coating solution by mixing at least a water-insoluble polymer having carboxyl group and a polyfunctional reactive compound with an organic solvent, applying this solution on the surface of a medical instrument, conducting crosslinking and then performing a chemical reaction treatment whereby the coating layer is made hydrophilic. An instrument for inserting an intraocular lens is made hydrophilic by forming the coating layer as described above on the inner surface of an insertion tube, crosslinking ...

Compositions comprising neutralized polysaccharide derivatives

The present invention provides: (1) a polysaccharide derivative having hydrophilic functional groups and nitrate groups per one repeating unit in the following range: 0.2≦X≦1.5, 0.4≦Y≦2.2, X+Y<3; wherein X and Y represent the number of hydrophilic functional groups and nitrate groups, respectively; (2) the neutralized polysaccharide derivative; (3) the composition used as a binder containing the neutralized polysaccharide and water; and (4) the composition used as a vehicle containing the neutralized polysaccharide, a resin, an organic solvent and water. The vehicle composition has excellent properties such as drying characteristic, pigment dispersibility, compatibility with water soluble resins and thixotropic property, and it can form a clear continuous film having excellent heat resistance and blocking resistance.

Method of producing medical instrument

A method of producing a medical instrument whereby a highly hydrophilic and lubricant coating layer having a high durability can be formed by a simple technique and thus highly hydrophilic and lubricant properties can be imparted to a surface of a medical instrument. An intraocular lens insertion instrument having been subjected to a surface treatment as described above is also provided. The method includes preparing a coating solution by mixing at least a water-insoluble polymer having carboxyl group and a polyfunctional reactive compound with an organic solvent; applying this solution on the surface of the medical instrument; conducting crosslinking; and performing a chemical reaction process. The coating layer is made hydrophilic. The intraocular lens insertion instrument is made hydrophilic by forming the coating layer as described above on an inner surface of an insertion tube portion, crosslinking and then performing the chemical reaction process.

Base for coating solid enteric pharmaceutical preparations

A coating base for solid enteric pharmaceutical preparations having a dissolution pH ranging from 3.5 to 4.5 essentially consisting of hydroxypropylmethyl cellulose trimellitate obtained by substituting water-soluble hydroxypropylmethyl cellulose having 1.1 to 1.6 methoxy group per glucose ring thereof with 0.2 to 1.0 trimellitate group per glucose ring, or obtained by substituting water-soluble hydroxypropylmethyl cellulose having 1.7 to 2.1 methoxy groups per glucose ring thereof with 0.2 to 0.5 trimellitate group per glucose ring. The coating base can be dissolved at the upper portion of the small intestine without delay and a solid enteric pharmaceutical preparation provided with a coating film of the base can completely release the drug included therein before the preparation passes through the small intestine. Therefore, the base can ensure a high pharmacological action of the drug.

PROCESS FOR PRODUCING ENTERIC AQUEOUS DISPERSED HYDROXYPROPYL METHYLCELLULOSE PHTHALATE NANOPARTICLES, NOT USING EMULSIFIER AND SHORTENING TIME OF ION EXCHANGE PROCESS

PURPOSE: A process is provided to produce enteric aqueous dispersed hydroxypropyl methylcellulose phthalate nanoparticles excellent in a film property and an enteric coating property, which dose not use a high-priced emulsifier, shortens time of an ion exchange process, and uses a plasticizer after the ion exchange process. CONSTITUTION: The process comprises the steps of: injecting a neutralizing agent into hydroxypropyl methylcellulose phthalate to prepare nanoparticles having the residual electrolyte content of 10.0-12.0mS; ion-exchanging the nanoparticles to have the residual electrolyte content of 7.0-9.0mS; adding the plasticizer to the ion-exchanged nanoparticles to soften. The neutralizing agent is ammonia water. And the plasticizer is selected from polyvinyl alcohol, polyethylene glycol, glycerine, propylene glycol, diethyl phthalate, triacetin, cetyl alcohol, triethyl citrate, and a hydrophilic plasticizer. © KIPO 2005 ...

COATING COMPOSITION AND COATED PAPER AND COATED PAPERBOARD

A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d50) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product. 118-. (canceled)19. A coating composition comprising:kaolin having a shape factor less than about 70; and{'sub': '50', 'calcium carbonate having a dof at least about 2.4 microns;'}wherein less than 70% by weight and greater than 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter less than 2 μm.20. The composition of claim 19 , further comprising a thickener.21. The composition of claim 20 , wherein the thickener is present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition.2223-. (canceled)24. The composition of claim 20 , wherein the thickener is selected from the group consisting of alkali-soluble emulsion polyacrylate thickeners claim 20 , hydrophobically-modified alkali-soluble emulsion polyacrylate thickeners claim 20 , and CMC (carboxymethyl cellulose) thickeners.25. The composition of claim 19 , wherein less than about 30% by weight of the kaolin has an equivalent spherical diameter (esd) less than about 0.25 μm.2630-. (canceled)31. The composition of claim 19 , wherein the calcium carbonate has a dof at least about 2.6 μm ...

SOLVENT-BORNE PRODUCTS CONTAINING SHORT-CUT MICROFIBERS

Solvent-borne products enhanced with short-cut microfibers and processes for making such enhanced solvent-borne products are disclosed. The short-cut microfibers can function to impart enhanced physical properties (e.g., enhanced thixotropy) to the solvent-borne products. Solvent-borne products suitable for enhancement with short-cut microfibers include flowable products (e.g., coatings, sealants, caulks, mastics, and adhesives) that can be applied to a substrate and that adhere to the substrate when dried and/or cured. 1. A solvent-borne product suitable for application to a substrate and capable of adhering to said substrate when said solvent-borne product is dried and/or cured thereon , said solvent-borne product comprising:a non-aqueous solvent;a base polymer;a solvent soluble fiber-forming polymer dissolved in said non-aqueous solvent; anda plurality of short-cut microfibers having a length of not more than 25 millimeters, an effective diameter of not more than 25 microns, and a longitudinal aspect ratio of at least 50:1.2. The solvent-borne product according to claim 1 , wherein said solvent-borne product is selected from the group consisting of a coating claim 1 , a sealant claim 1 , a caulk claim 1 , a mastic claim 1 , and an adhesive.3. The solvent-borne product according to claim 1 , wherein said solvent soluble fiber-forming polymer in its undissolved state exhibits a glass transition temperature of at least 40° C. and a melt viscosity of not more than 12 claim 1 ,000 poise measured at 240° C. at a strain rate of 1 radians per second.4. The solvent-borne product according to claim 1 , wherein said non-aqueous solvent has a Hildebrand solubility parameter of at least 10 and not more than 30 MPa claim 1 , wherein said fiber forming solvent soluble component has a Hildebrand solubility parameter within 10 MPaof the Hildebrand solubility parameter of said non-aqueous solvent.5. The solvent-borne product according to claim 1 , wherein said non-aqueous solvent ...

SOFT MAGNETIC MATERIAL POWDER AND MANUFACTURING METHOD THEREOF, AND MAGNETIC CORE AND MANUFACTURING METHOD THEREOF

A soft magnetic material powder includes soft magnetic material particles, the soft magnetic material particles each include a core formed from an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. A magnetic core includes soft magnetic material particles and a binder bonding the soft magnetic material particles to each other, the soft magnetic material particles each include a core containing an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. 1dispersing an Fe-based soft magnetic material in a solvent; andadding a metal alkoxide, a water soluble polymer, and water to the solvent followed by stirring to form insulating films each containing a metal oxide, which is a hydrolysate of the metal alkoxide, and the water soluble polymer on surfaces of soft magnetic material particles which form the Fe-based soft magnetic material powder, so that an insulating treatment is performed on the soft magnetic material particles.. A method for manufacturing a soft magnetic material powder, the method comprising: This application is Continuation of U.S. patent application Ser. No. 16/861,037 filed Apr. 28, 2020, which is a Divisional of U.S. patent application Ser. No. 15/434,488 filed Feb. 16, 2017, which claims benefit of priority to Japanese Patent Application 2014-209308 filed Oct. 10, 2014, and to International Patent Application No. PCT/JP2015/075945 filed Sep. 14, 2015, the entire content of which is incorporated herein by reference.The present disclosure relates to a soft magnetic material powder used for a magnetic core and a manufacturing method thereof. In addition, the present disclosure also relates to a magnetic core using this soft magnetic material powder and a manufacturing method of the magnetic core.In recent years, in ...

Coating Composition, Drug-Containing Particle, Solid Preparation and Method for Preparing Drug-Containing Particle

Provided are a drug-containing particle capable of suppressing dissolution of a drug in the oral cavity to suppress an unpleasant taste thereof and having excellent dissolution of the drug in the digestive tract after passing through the oral cavity; a method for preparing the drug-containing particle; a coating composition used for preparing the drug-containing particle; and a solid preparation having the drug-containing particle. More specifically, provided are a coating composition having 100 parts by weight of a cellulose-based enteric base and 50 parts by weight or less of a water-soluble cellulose ether; a drug-containing particle having a drug-containing core and a coat portion obtained by coating the core with the coating composition; a solid preparation having the drug-containing particle; and a method for preparing a drug-containing particle having a step of coating the drug-containing core with the coating composition.

PROCESS FOR PRODUCING DISPERSION OF ESTERIFIED CULLULOSE ETHER

A process for producing an aqueous composition comprising a dispersed esterified cellulose ether comprises the steps of grinding, in the presence of an aqueous diluent an esterified cellulose ether comprising (i) groups of the formula —C(O)—R—COOA or (ii) a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOA, wherein R is a N divalent aliphatic or aromatic hydrocarbon group and A is hydrogen or a cation, blending a salt of a fatty acid with the esterified cellulose ether and choosing the amounts of aqueous diluent, esterified cellulose ether and salt of a fatty acid that the produced aqueous composition comprises at least 20 percent of the dispersed esterified cellulose ether and heating the aqueous composition to a temperature of from 37 to 80 C during or after the grinding step. 1. A process for producing an aqueous composition comprising a dispersed esterified cellulose ether comprising the steps ofgrinding, in the presence of an aqueous diluent, at least one esterified cellulose ether comprising (i) groups of the formula —C(O)—R—COOA or (ii) a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOA, wherein R is a divalent aliphatic or aromatic hydrocarbon group and A is hydrogen or a cation,blending at least one salt of a fatty acid and optionally one or more adjuvants with the esterified cellulose ether before, during or after the grinding of the esterified cellulose ether and choosing the amounts of aqueous diluent, esterified cellulose ether, salt of a fatty acid, and optionally one or more adjuvants that the produced aqueous composition comprises at least 25 percent of the dispersed esterified cellulose ether, based on the total weight of the aqueous composition, andheating the aqueous composition to a temperature of from 37 to 80° C. during or after the grinding step.2. The process of wherein additionally an anionic surfactant comprising a sulfate or sulfonate group is blended with the ...

Esterified cellulose ethers of low acetone-insoluble content

Esterified cellulose ethers which have i) as ester groups aliphatic monovalent acyl groups or groups of the formula —C(O)—R—COOA or a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOA, wherein R is a divalent aliphatic or aromatic hydrocarbon group and A is hydrogen or a cation, and ii) a content of not more than 0.85 weight percent acetone-insoluble esterified cellulose ether particles, when the esterified cellulose ether is present in a mixture of 12.5 weight parts of esterified cellulose ether and 87.5 weight parts of acetone at 21° C., the weight percent acetone-insoluble esterified cellulose ether particles being based on the total weight of the esterified cellulose ether, wherein iii) not more than 14 percent of the acetone-insoluble esterified cellulose ether particles have a particle size of more than 90 micrometers.

HYPROMELLOSE ACETATE SUCCINATE, METHOD FOR PRODUCING THE SAME AND COMPOSITION CONTAINING THE SAME

Provided are hypromellose acetate succinate (HPMCAS) which exhibits high solubility and can suppress generation of undissolved materials when dissolved in a solvent; an HPMCAS-containing composition; and a method for producing the HPMCAS. More specifically, provided are HPMCAS having a ratio of 2-position MS to 3-position MS of 1.2 or less, wherein the 2-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 2-position carbon of each glucose unit of the HPMCAS has been directly replaced, and the 3-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 3-position carbon of each glucose unit of the HPMCAS has been directly replaced; a composition comprising the HPMCAS and a solvent; and the method for producing the HPMCAS. 1. Hypromellose acetate succinate having a ratio of 2-position MS to 3-position MS of 1.2 or less , wherein the 2-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 2-position carbon of each glucose unit of the hypromellose acetate succinate has been directly replaced , and the 3-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 3-position carbon of each glucose unit of the hypromellose acetate succinate has been directly replaced.2. The hypromellose acetate succinate according to claim 1 , wherein a 10% by weight solution of the hypromellose acetate succinate in an aqueous alkali solution has a transmittance of 70% or more.3. The hypromellose acetate succinate according to claim 2 , wherein the aqueous alkali solution is aqueous ammonia.4. A composition comprising the hypromellose acetate succinate according to and a solvent.5. The composition according to claim 4 , wherein the composition is adapted for use as a coating composition.6. The composition according to claim 4 , wherein the solvent is aqueous ammonia.7. A method ...

SOFT MAGNETIC MATERIAL POWDER AND MANUFACTURING METHOD THEREOF, AND MAGNETIC CORE AND MANUFACTURING METHOD THEREOF

A soft magnetic material powder includes soft magnetic material particles, the soft magnetic material particles each include a core formed from an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. A magnetic core includes soft magnetic material particles and a binder bonding the soft magnetic material particles to each other, the soft magnetic material particles each include a core containing an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. 1dispersing an Fe-based soft magnetic material in a solvent; andadding a metal alkoxide, a water soluble polymer, and water to the solvent followed by stirring to form insulating films each containing a metal oxide, which is a hydrolysate of the metal alkoxide, and the water soluble polymer on surfaces of soft magnetic material particles which form the Fe-based soft magnetic material powder, so that an insulating treatment is performed on the soft magnetic material particles.. A method for manufacturing a soft magnetic material powder, the method comprising: This application is Divisional of U.S. patent application Ser. No. 15/434,488 filed Feb. 16, 2017, which claims benefit of priority to Japanese Patent Application 2014-209308 filed Oct. 10, 2014, and to International Patent Application No. PCT/JP2015/075945 filed Sep. 14, 2015, the entire content of which is incorporated herein by reference.The present disclosure relates to a soft magnetic material powder used for a magnetic core and a manufacturing method thereof. In addition, the present disclosure also relates to a magnetic core using this soft magnetic material powder and a manufacturing method of the magnetic core.In recent years, in concomitance with the reduction in size of electric apparatuses and electronic apparatuses, ...

COATING COMPOSITION AND COATED PAPER AND COATED PAPERBOARD

A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product. 1. A coating composition comprising:kaolin having a shape factor less than about 70; andcalcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an esd less than 2 microns.2. The composition of claim 2 , further comprising a thickener.3. The composition of claim 2 , wherein the thickener is present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition.45-. (canceled)6. The composition of claim 2 , wherein the thickener is selected from the group consisting of alkali-soluble emulsion polyacrylate thickeners claim 2 , hydrophobically-modified alkali-soluble emulsion polyacrylate thickeners claim 2 , and CMC (carboxymethyl celluloses) thickeners.7. The composition of claim 1 , wherein less than about 30% by weight of the kaolin has an esd less than about 0.25 micron.810-. (canceled)11. The composition of claim 1 , wherein less than about 80% by weight of the kaolin has an esd less than about 1 micron.12. (canceled)13. The composition of claim 1 , wherein less than about 80% by weight and greater ...

Method of preparing nitrogen-doped graphene and method of producing composite heat dispatching plate thereof

The present invention relates to a method of preparing nitrogen-doped graphene, comprising: mixing at least one solid-state nitrogen containing precursor with a graphene to form a mixture, and sintering the mixture under a reducing atmosphere to obtain the nitrogen-doped graphene. The present invention further provides a method of producing a composite heat dispatching plate coated with nitrogen-doped graphene film, comprising: mixing a nitrogen-doped graphene obtained aforementioned with a polymer bonding agent to form a mixture slurry, coating the mixture slurry onto at least one surface of a metal substrate to form a composite material, drying the composite material, and obtaining the composite heat dispatching plate with a film of nitrogen-doped graphene. Structural defects of graphene lattices are reduced during doping process so that crystallinity and thermal conductivity are improved. Methods of the present invention may be conducted under normal pressure using commercially available solid-state nitrogen sources without adding polluting solvents to provide a safe, stable and cost effective preparation of composite heat dispatching material.

The water-soluble esterified cellulose ether

1. i) R이 2가 탄화수소 기인, 식 - C(O) - R - COOH의 기 또는 지방족 1가 아실 기와 식 -C(O) - R - COOH의 기의 조합을 포함하고, ii) 최대 70,000 달톤의 중량 평균 분자량 M w 를 갖고, iii) 0.4 이하의 - C(O) - R - COOH 기의 중화도를 갖고, 그리고 iv) 2℃에서 적어도 2.0 중량 퍼센트의 물에서 용해도를 가지며, 장용성 캡슐을 제조하는데 유용한 에스테르화된 셀룰로오스 에테르.

Usage of carboxymethyl cellulose acetate butyrate

一种用于改善在涂层纤维素基材(例如人造纤维板)上的固着性的方法。所述方法包括以下步骤：将含水的羧甲基纤维素乙酸酯丁酸酯胶料组合物施用到人造纤维基材上，形成施胶的基材。然后干燥施胶的基材。接下来，施用含水的涂料组合物，形成涂层的施胶基材。然后干燥涂层的施胶基材。根据本发明，用于所述方法的含水羧甲基纤维素乙酸酯丁酸酯胶料组合物含有羧甲基纤维素乙酸酯丁酸酯、水和有机溶剂。本发明也涉及一种施胶的人造纤维基材，其含有人造纤维基材和羧甲基纤维素乙酸酯丁酸酯胶料。所述羧甲基纤维素乙酸酯丁酸酯可以是内施胶剂或者外施胶剂。

HPMCAS and its production method and the composition containing it

提供一种乙酸琥珀酸羟丙甲纤维素(HPMCAS)，其显示高的溶解度并且当溶解在溶剂中时能够抑制未溶解材料的生成；提供一种含有HPMCAS的组合物；以及提供用于生产该HPMCAS的方法。更具体地，提供一种HPMCAS，其具有2位MS与3位MS的1.2或更小的比率，其中2位MS意指已将在HPMCAS的每个葡萄糖单元的2位碳上的羟基基团的氢原子直接代替的羟丙基基团的摩尔取代度，并且3位MS意指已将在HPMCAS的每个葡萄糖单元的3位碳上的羟基基团的氢原子直接代替的羟丙基基团的摩尔取代度；提供一种包含该HPMCAS以及溶剂的组合物；以及用于生产该HPMCAS的方法。

Efficient process for preparing an ester of a cellulose ether

A process for producing an esterified cellulose ether can be efficiently be produced by reacting a moist cellulose ether having a water content of at least 10 percent, based on the weight of the moist cellulose ether, with an aliphatic monocarboxylic acid anhydride, a dicarboxylic acid anhydride or a combination thereof. Further improvements in efficiency and reduction in process steps are achieved in a process for producing an esterified cellulose ether which comprises the steps of a) reacting cellulose with an alkaline material to produce alkali cellulose, b) reacting the produced alkali cellulose with one or more etherifying agents and washing the produced cellulose ether to obtain a moist cellulose ether having a water content of at least 10 weight percent, and c) reacting the moist cellulose ether with an aliphatic monocarboxylic acid anhydride and/or a dicarboxylic acid anhydride and with a depolymerizing agent.

Process for producing esterified cellulose ether dispersions

一种生产包含分散的酯化纤维素醚的水性组合物的方法包含以下步骤：在水性稀释剂存在下，研磨酯化纤维素醚，其包含(i)式‑C(O)‑R‑COOA的基团或(ii)脂肪族单价酰基和式‑C(O)‑R‑COOA的基团的组合，其中R是二价脂肪族或芳香族烃基并且A是氢或阳离子，将脂肪酸盐与酯化纤维素醚掺合，并选择水性稀释剂、酯化纤维素醚和脂肪酸盐的量，使得所产生的水性组合物包含至少20％的分散的酯化纤维素醚，以及在研磨步骤期间或之后将水性组合物加热至37至80℃的温度。

Composition containing the neutralized polysaccharide derivative

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Coating composition and coated paper and coated paperboard

Hypromellose acetate succinate, method for producing the same, and composition containing the same

Process for producing dispersion of esterified cellulose ether

Aqueous pigment dispersion and aqueous ink

The present invention provides an aqueous pigment dispersion including a pigment, an anionic group-containing organic polymer compound, and bio-nanofibers having an average diameter of 1 nm or more and 100 nm or less and an aspect ratio of 100 or more, and also provides an aqueous ink using the aqueous pigment dispersion. The bio-nanofibers are preferably cellulose nanofibers or chitosan nanofibers. The anionic group-containing organic polymer compound is preferably at least one selected from the group consisting of acrylic resins having anionic groups, polyurethane resins having anionic groups, and polysaccharide derivatives having anionic groups.

Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof

軟磁性材料粉末は、Ｆｅ系の軟磁性材料からなるコアと、コアの表面を被覆する絶縁膜と、を有し、絶縁膜には無機酸化物と水溶性高分子とを含有する、軟磁性材料粒子を含む。磁心は、軟磁性材料粒子と、各軟磁性材料粒子を結合する結合剤と、を含む磁心であって、軟磁性材料粒子は、Ｆｅ系の軟磁性材料を含むコアと、コアの表面を被覆する絶縁膜と、を有し、絶縁膜には無機酸化物と水溶性高分子とを含有する。 The soft magnetic material powder has a core made of an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water-soluble polymer. Contains material particles. The magnetic core is a magnetic core including soft magnetic material particles and a binder that binds each soft magnetic material particle. The soft magnetic material particles cover a core including an Fe-based soft magnetic material and a surface of the core. The insulating film contains an inorganic oxide and a water-soluble polymer.

A release liner composition, a base material and a method of producing a base material, and a surface treating agent for a base material and a use of a surface treating agent

Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof

A soft magnetic material powder includes soft magnetic material particles, the soft magnetic material particles each include a core formed from an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. A magnetic core includes soft magnetic material particles and a binder bonding the soft magnetic material particles to each other, the soft magnetic material particles each include a core containing an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer.

Process for producing a cellulose ether acetate succinate

셀룰로오스 에테르 아세테이트 석시네이트를 생산하는 방법으로서, 상기 방법은 셀룰로오스 에테르를 아세트산 무수물, 석신산 무수물 및 해중합제와 반응시키는 단계를 포함하되, 상기 셀룰로오스 에테르는 20 에서 물 중 2 중량-% 용액으로서 측정시 적어도 50 mPaㆍs의 초기 점도를 가지며, 그리고 상기 셀룰로오스 에테르와 상기 아세트산 무수물, 석신산 무수물 및 해중합제와의 반응은 하나의 반응 장치에서 동시에 또는 순차적으로 수행된다. A process for producing cellulose ether acetate succinate comprising the step of reacting cellulose ether with acetic anhydride, succinic anhydride and depolymerization agent, wherein said cellulose ether has a weight average molecular weight Has an initial viscosity of at least 50 mPa.s, and the reaction of the cellulose ether with the acetic anhydride, succinic anhydride and depolymerization agent is carried out simultaneously or sequentially in one reactor.

Flexible wearable dry electrode and preparation method thereof

本发明提供了一种柔性可穿戴干电极及其制备方法。一种柔性可穿戴干电极，包括依次贴合的基础布料、转印胶质层和纳米导电层；转印胶质层的配方：按重量百分比计，弹性树脂50％～90％，固化剂5％～15％，填充剂5％～35％；纳米导电层的配方：按重量份计，导电纳米材料0.1～20份，分散剂0.1～30份，粘接剂0.01～5份。其制备方法为：分别制备导电涂布液和转印胶质，然后将两者依次转印在柔性离型膜上，最后再压合在基础布料上，再固化，撕除离型膜即得。本发明具有高导电性、良好的柔韧性、高环境耐受性、长时间稳定性、耐水洗及耐搓揉等特性，并可根据服装需要进行任意剪裁，通用性强。

Process for producing dispersion of esterified cellulose ether

A process for producing an aqueous composition comprising a dispersed esterified cellulose ether comprises the steps of grinding, in the presence of an aqueous diluent an esterified cellulose ether comprising (i) groups of the formula -C(O) - R - COOA or (ii) a combination of aliphatic monovalent acyl groups and groups of the formula -C(O) - R - COOA, wherein R is a divalent aliphatic or aromatic hydrocarbon group and A is hydrogen or a cation, blending a salt of a fatty acid with the esterified cellulose ether and choosing the amounts of aqueous diluent, esterified cellulose ether and salt of a fatty acid that the produced aqueous composition comprises at least 20 percent of the dispersed esterified cellulose ether and heating the aqueous composition to a temperature of from 37 to 80 C during or after the grinding step.

Soluble ester cellulose ether

一种酯化纤维素醚适用于制备肠溶性胶囊，所述酯化纤维素醚i)包含式‑C(O)‑R‑COOH的基团或脂肪族单价酰基和所述式‑C(O)‑R‑COOH的基团的组合，其中R是二价烃基，ii)重均分子量M w 为最多70,000道尔顿，iii)所述基团‑C(O)‑R‑COOH的中和度不大于0.4，和iv)在2℃下在水中的溶解度为至少2.0重量％。

Coating composition, drug-containing particle, solid preparation and method for preparing drug-containing particle

Provided are a drug-containing particle capable of suppressing dissolution of a drug in the oral cavity to suppress an unpleasant taste thereof and having excellent dissolution of the drug in the digestive tract after passing through the oral cavity; a method for preparing the drug-containing particle; a coating composition used for preparing the drug-containing particle; and a solid preparation having the drug-containing particle. More specifically, provided are a coating composition having 100 parts by weight of a cellulose-based enteric base and 50 parts by weight or less of a water-soluble cellulose ether; a drug-containing particle having a drug-containing core and a coat portion obtained by coating the core with the coating composition; a solid preparation having the drug-containing particle; and a method for preparing a drug-containing particle having a step of coating the drug-containing core with the coating composition.

Coating composition and coated paper and coated paperboard

수분 및 오일 장벽

명칭: 수분 및 오일 장벽 수분 및 오일에 대한 장벽으로서 셀룰로스 에스테르 필름을 사용하는 것이 제공된다. 셀룰로스 에스테르는 유리 히드록실기와 에스테르 치환기를 가지고 있다. 에스테르 치환기는 C1 내지 C6 알킬 에스테르기로부터 각각 개별적으로 선택된다. 유리 히드록실기는 15% 내지 40 mol% 범위의 양으로 존재한다. 이 필름은 식품 포장용 장벽층으로서 유용하다. 또한, 셀룰로스 에스테르 및 추가 필름 형성 물질을 포함하는 조성물, 상기 조성물의 필름을 포함하는 포장재, 및 포장재의 제조 방법이 제공된다.

Method of producing medical instrument

アセトン不溶性含有量の低いエステル化セルロースエーテル

【課題】ヒドロキシプロピルメチルセルロースアセテートサクシネート等のエステル化セルロースエーテルのアセトン溶液を噴霧乾燥する際に生成する不溶性粒子を減少させることが可能な、エステル化セルロースエーテルの新規製造方法の提供。【解決手段】エステル化セルロースエーテルの製造方法であって、１）セルロースエーテルを脂肪族カルボン酸の存在下、脂肪族モノカルボン酸無水物又はジカルボン酸無水物、或いはこれらの組み合わせでエステル化し、エステル化セルロースエーテルと前記脂肪族カルボン酸とを含む反応生成物混合物を生成する工程；２）前記工程で得られた反応生成物混合物を任意に希釈する工程；３）前記任意に希釈した反応生成物混合物を濾過する工程；及び４）前記エステル化セルロースエーテルを前記濾過した反応生成物混合物から、前記濾過した反応生成物混合物を水と接触させることによって沈殿させる工程、を含む方法。【選択図】図１

Päällystekoostumus ja päällystetty paperi ja päällystetty kartonki

Moisture and oil barrier

Provided is the use of a film of a cellulose ester as a barrier against moisture and oil. The cellulose ester has free hydroxyl groups and ester substituents. The ester substituents are each individually selected from C1 to C6 alkyl ester groups. The free hydroxyl groups are present in an amount in the range 15 % to 40 mol%. The film is useful as a barrier layer for food packaging. Also provided is a composition comprising the cellulose ester and a further film-forming material, a packaging material comprising a film of the composition, and a method for manufacturing the packaging material.

Moisture and oil barrier

Moisture and oil barrier

Provided is the use of a film of a cellulose ester as a barrier against moisture and oil. The cellulose ester has free hydroxyl groups and ester substituents. The ester substituents are each individually selected from C1 to C6 alkyl ester groups. The free hydroxyl groups are present in an amount in the range 15 % to 40 mol%. The film is useful as a barrier layer for food packaging. Also provided is a composition comprising the cellulose ester and a further film-forming material, a packaging material comprising a film of the composition, and a method for manufacturing the packaging material.

Composição, uso da composição, e, uso de um filme de éster de celulose

composição, uso da composição, e, uso de um filme de éster de celulose. é provido o uso de um filme de um éster de celulose como barreira contra umidade e óleo. o éster de celulose possui grupos hidroxila livres e substituintes éster. os substituintes éster são, cada um, selecionados individualmente a partir de grupos éster alquílicos cl a c6. os grupos hidroxila livres estão presentes em uma quantidade na faixa de 15% a 40% em mol. o filme é útil como camada de barreira para embalagens de alimentos. também é provida uma composição que compreende o éster de celulose e um material formador de filme adicional, um material de embalagem que compreende um filme da composição e um método para fabricar o material de embalagem.

水分和油阻挡层

提供了纤维素酯膜作为针对水分和油的阻挡层的用途。纤维素酯具有游离羟基和酯取代基。酯取代基各自单独地选自C1至C6烷基酯基团。游离羟基以15％至40mol％范围内的量存在。膜可用作食品包装的阻挡层。还提供了包含纤维素酯和另外的成膜材料的组合物、包含该组合物的膜的包装材料、以及用于制造该包装材料的方法。

Esteres de carboxialquilcelulosa.

LA INVENCION PROPORCIONA CIERTOS ESTERES DE CARBOXIMETIL CELULOSA (CMC), DE ACIDOS SUPERIORES (P.EJ. PROPIONATO DE ACETATO DE CMC, PROPIONATO DE CMC, BUTIRATO DE ACETATO DE CMC, Y BUTIRATO DE CMC). DICHOS NUEVOS DERIVADOS DE ETER DE ESTERES DE CELULOSA PRESENTAN SOLUBILIDAD EN UN AMPLIO RANGO DE DISOLVENTES ORGANICOS, COMPATIBILIDAD CON DISTINTAS RESINAS, Y FACILIDAD DE DISPERSION EN UNA FORMULACION ACUOSA, Y SON UTILES EN COMPOSICIONES DE REVESTIMIENTO, COMO RESINAS AGLUTINANTES Y MODIFICADORES DE LA REOLOGIA.

의료 기구의 제조 방법

높은 내구성을 갖는 높은 친수성 및 윤활성 코팅층이 간단한 기술에 의해 형성될 수 있고, 따라서 높은 친수성 및 윤활성 특성이 의료 기구의 표면에 제공될 수 있는 의료 기구의 제조 방법이 개시된다. 전술된 바와 같은 표면 처리가 실시되어 있는 안내 렌즈의 삽입 기구가 또한 제공된다. 이 방법은 적어도 카르복실기를 갖는 수불용성 폴리머 및 다기능성 반응 화합물을 유기 용제와 혼합함으로써 코팅 용액을 준비하는 단계, 이 용액을 의료 기구의 표면 상에 도포하는 단계, 가교 결합을 수행하는 단계, 및 코팅층이 친수성화되는 화학 반응 프로세스를 수행하는 단계를 포함한다. 안내 렌즈의 삽입 기구는 삽입 튜브부의 내부면 상에 전술된 바와 같은 코팅층을 형성하고, 가교 결합하고, 이어서 화학 반응 프로세스를 수행함으로써 친수성화된다.

医療機器の製造方法

本発明の課題は、親水性や潤滑性に優れしかも耐久性の高いコーティング層を簡単な手法で形成することにより、医療機器表面に優れた親水性及び潤滑性を付与し得る医療機器の製造方法を提供すること。また、かかる表面処理が施された眼内レンズの挿入器具を提供することにある。かかる課題を解決するために、少なくとも、カルボキシル基を有する水不溶性ポリマーと多官能反応性化合物とを、有機溶剤に混合して得られたコーティング溶液を、医療機器の表面に塗布し、架橋せしめた後、かかるコーティング層を親水化せしめる化学反応処理を行うようにした。また、眼内レンズの挿入器具において、挿入筒部内部の表面に前記コーティング層を形成し、架橋後に化学反応処理を行うことにより親水化せしめるようにした。

一种皂角提取物表面涂料及其制备方法

一种皂角提取物表面涂料，包括皂角液10～30份，橄榄油10～30份，羧甲基纤维素硝酸酯20～30份，溶剂50～60份，Span80 5～8份，水100～120份。本发明采用皂角液或者橄榄油作为水性光油的主原料处理家具表面，并且根据皂角液和橄榄油的本色，可以实现客户定制家具颜色的要求，其中皂角液可以涂饰浅色家具，橄榄油涂饰深色家具。实现企业自主环保体系建设，同时应用新工艺，取代传统的油漆涂饰家具，填补了同行业创“绿色、环保”家具的空白。

Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof

A soft magnetic material powder includes soft magnetic material particles, the soft magnetic material particles each include a core formed from an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. A magnetic core includes soft magnetic material particles and a binder bonding the soft magnetic material particles to each other, the soft magnetic material particles each include a core containing an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer.

涂布组合物、含药物颗粒、固体制剂和用于制备含药物颗粒的方法

本发明提供一种含药物的颗粒，可抑制药物在口腔中的溶解来抑制其令人不快味道并且通过口腔后在消化道中具有优异的药物溶解度；一种用于制备该含药物颗粒的方法；一种用于制备该含药物颗粒的涂布组合物；和一种包含该含药物颗粒的固体制剂。更具体地说，提供一种涂布组合物，其包含100重量份的纤维素基肠溶基底和50重量份或更少的水溶性纤维素醚；一种含药物颗粒，其包含含药物芯和通过用该涂布组合物涂布该芯而获得的涂层部分；一种固体制剂，其包含该含药物颗粒；和一种用于制备含药物颗粒的方法，其包含用该涂布组合物涂布该含药物芯的步骤。

코팅용 조성물, 약물 함유 입자, 고형 제제 및 약물 함유 입자의 제조 방법

본 발명은 구강 내에서의 약물 용출을 억제함으로써 약물의 불쾌한 맛을 억제하고, 또한 구강 내를 통과한 후의 소화관에서는 약물의 용출성이 우수한 약물 함유 입자 및 그의 제조 방법, 및 상기 약물 함유 입자의 제조에 사용하는 코팅용 조성물, 나아가서는 상기 약물 함유 입자를 함유하는 고형 제제를 제공하는 것이다. 셀룰로오스계 장용성 기제 100질량부와, 수용성 셀룰로오스에테르 50질량부 이하를 적어도 포함하는 코팅용 조성물을 제공한다. 또한, 약물을 함유하는 핵 입자와, 상기 핵 입자를 이 코팅용 조성물에 의해 피복한 피복부를 적어도 갖는 약물 함유 입자를 제공한다. 또한, 상기 기재된 약물 함유 입자를 함유하는 고형 제제를 제공한다. 또한, 약물을 함유하는 핵 입자에 이 코팅용 조성물을 피복하는 공정을 적어도 포함하는 약물 함유 입자의 제조 방법을 제공한다.

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ABSTRACT OF THE DISCLOSURE Provided are a drug-co ntaining particle capable of suppressing dissolution of a drug in the oral cavity to suppress an unpleasant taste thereof and having excellent dissolution of the drug in the digestive tract after passing through the oral cavity; a method for preparing the drug-containing particle; a coating composition used for preparing the drug-containing particle; and a solid preparation comprising the drug-containing particle. More specifically, provided are a coating composition comprising 100 parts by weight of a cellulose-based enteric base and 50 parts by weight or less of a water-soluble cellulose ether; a drug-containing particle comprising a drug-containing core and a coat portion obtained by coating the core with the coating composition; a solid preparation comprising the drug-containing particle; and a method for preparing a drug-containing particle comprising a step of coating the drug-containing core with the coating composition.

Dichlorodifluoroethyl ether of cellulose esters and lower alkyl acetals

水分和油阻挡层

提供了纤维素酯膜作为针对水分和油的阻挡层的用途。纤维素酯具有游离羟基和酯取代基。酯取代基各自单独地选自C1至C6烷基酯基团。游离羟基以15％至40mol％范围内的量存在。膜可用作食品包装的阻挡层。还提供了包含纤维素酯和另外的成膜材料的组合物、包含该组合物的膜的包装材料、以及用于制造该包装材料的方法。

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Moisture and oil barrier

Provided is the use of a film of a cellulose ester as a barrier against moisture and oil. The cellulose ester has free hydroxyl groups and ester substituents. The ester substituents are each individually selected from C1 to C6 alkyl ester groups. The free hydroxyl groups are present in an amount in the range 15% to 40 mol %. The film is useful as a barrier layer for food packaging. Also provided is a composition comprising the cellulose ester and a further film-forming material, a packaging material comprising a film of the composition, and a method for manufacturing the packaging material.

Irrokemateriaalikoostumus, pohjamateriaali ja menetelmä pohjamateriaalin valmistamiseksi, pintakäsittelyaine pohjamateriaalia varten sekä pintakäsittelyaineen käyttö

Nyt esillä oleva keksintö koskee irrokemateriaalikoostumusta, jossa on parannettu silikonin tarttumista silikonipäällysteen ja pintakäsittelykerroksen välillä ja näin on estetty silikonin hankautumista pois. Tarttumisen parantuminen perustuu polymeeriseen pintakäsittelyaineen rakenteeseen, joka käsittää osan tai osia, jotka ovat yhteensopivia alustan ja/tai alustan pinnalla olevan päällysteen kanssa, ja osan tai osia, jotka ovat reaktiivisia tai ainakin yhteensopivia silikonipäällysteen kanssa. Nyt esillä oleva keksintö koskee myös pohjamateriaalia ja menetelmää pohjamateriaalin valmistamiseksi, sekä pintakäsittelyainetta pohjamateriaalia varten ja pintakäsittelyaineen käyttöä. (Fig.3)

一种防止轻质墙板开裂的弹性涂料

本发明提供了一种防止轻质墙板开裂的弹性涂料。该技术方案将丙烯酸乙酯、膨润土、钛白粉、羧甲基纤维素醋酸丁酸酯、聚甲基苯基硅氧烷、十二烷基硫酸钠、壬基酚聚氧乙烯醚、过氧化二异丙苯、单宁酸、稻壳粉、聚乙烯醇缩丁醛以22～26:7～9:8～10:6～10:3～5:1～2:1～2:3～5:1～2:6～8:3～5的比例复配。本发明以壬基酚聚氧乙烯醚和过氧化二异丙苯形成网状交联结构，内部嵌合稻壳粉和膨润土起到骨架作用，其中膨润土的晶体结构使大分子聚合物的单体嵌入其中，进一步增强了涂料的弹性固着力和致密性。此外，本发明采用羧甲基纤维素醋酸丁酸酯和聚甲基苯基硅氧烷，使涂料在墙体表面以浸润状态成膜，增进了涂料对墙体的作用。本发明可有效防止轻质墙板开裂，具有良好的使用效果。

邻苯二甲酸乙酸纤维素醚

提供邻苯二甲酸乙酸纤维素醚，其中，邻苯二甲酰基取代度为0.02至0.25，邻苯二甲酰基中和度不大于0.5，乙酰基取代度为0.02至0.40，并且邻苯二甲酰基和乙酰基的总取代度不大于0.50。所述邻苯二甲酸乙酸纤维素醚在2℃下在水中的溶解度为至少2.0重量％。

Hypromellose acetate succinate, method for producing the same and composition containing the same

Provided are hypromellose acetate succinate (HPMCAS) which exhibits high solubility and can suppress generation of undissolved materials when dissolved in a solvent; an HPMCAS-containing composition; and a method for producing the HPMCAS. More specifically, provided are HPMCAS having a ratio of 2-position MS to 3-position MS of 1.2 or less, wherein the 2-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 2-position carbon of each glucose unit of the HPMCAS has been directly replaced, and the 3-position MS means a molar substitution of hydroxypropyl group by which a hydrogen atom of a hydroxyl group on 3-position carbon of each glucose unit of the HPMCAS has been directly replaced; a composition comprising the HPMCAS and a solvent; and the method for producing the HPMCAS.

包含邻苯二甲酰基的酯化纤维素醚

提供一种酯化纤维素醚，其中酯基为邻苯二甲酰基，邻苯二甲酰基取代度为0.02到0.18，邻苯二甲酰基的中和度不大于0.75，并且所述酯化纤维素醚在2℃下在水中的溶解度为至少2.0重量％。