LOESUNGSMITTELGEMISCH FUER MIKROKAPSELN

Druckempfindliches Aufzeichnungsmaterial

PRESSURE-SENSITIVE RECORD MATERIAL

... 1434495 Pressure-sensitive recording systems MONSANTO CO 29 Aug 1974 [30 Aug 1973] 37750/74 Heading D2B In pressure-sensitive recording systems in which colour is formed by reaction between a substantially colourless chromogenic compound and a colour developer, the reaction is effected in the presence of one or more solvents having the formula wherein Ar is a phenyl, naphthyl, or biphenyl radical, each of R1, R3 and R4 represents a hydrogen atom or a C1-4 alkyl radical, n is 0 or an integer of from 1 to 4, and R2 represents an alkyl radical and when n is greater than 1, the alkyl radicals may be the same or different, the total carbon atom content of (R2)n being not greater than 6. The solvent(s) may be used in combination with a diluent e.g. animal, vegetable, or mineral oil, aromatic naphtha, C1-12 alkyl benzene, benzyl biphenyl, or C1-6 alkyl aryl indane. The chromogenic compound may be dissolved in the solvent and the solution encapsulated. The recording systems may be one- or two-sheet ...

SOLVENTS FOR CHROMOGENIC MATERIALS

... 1398199 Pressure-sensitive compositions MONSANTO CO 9 Feb 1973 [11 Feb 1972] 6438/73 Heading C4A [Also in Division D2] In the development of colour from a colourless chromogenic compound by reaction with a sensitizing agent, the reaction is carried out in the presence of a liquid comprising a solvent which is a terphenyl, partially hydrogenated terphenyl, (C 1-4 alkyl)-substituted terphenyl, or mixture thereof having at least 65% aromaticity. Aromaticity of 65-85% is preferred. The solvent may be liquid or solid at room temperature and if solid must be used with a diluent. The diluent may be a mineral or vegetable oil, an aromatic naphtha, C 1-12 alkyl benzene, benzyl biphenyl, or C 1-6 alkylaryl indane, in an amount up to 3 times that of the terphenyl. Preferably the chromogen is in solution in the liquid, e.g. in microcapsular form. Numerous known chromogens are listed. The sensitizing agent is a known solid acidic material such as an acid clay or an organic polymer.

SEC-BUTYLBIPHENYL COMPOSITION AND PROCESS FOR PREPARING THE SAME

CHROMOGENE LOESUNGEN AND PRESSURE-SENSITIVE ONE OF INDICATION RECORDING SYSTEMS.

PRESSURE-SENSITIVE RECORDING MATERIAL.

LOESUNGEN OF FARBBILDNERN, YOUR PRODUCTION AND USE.

COMPOSITION, YOUR APPLICATION AS ELECTRICAL INSULATOR AND PROCEDURE FOR THEIR PRODUCTION.

PRESSURE-SENSITIVE RECORDING MATERIALS

SOLVENT, INK AND COATED PAPER FOR CARBONLESS COPYING SYSTEM

SOLVENT, INK AND COATED PAPER FOR CARBONLESS COPYING SYSTEM

SOLVENT MIXTURE FOR DYE PRECURSOR FOR MICROCAPSULES ON PRESSURE SENSITIVE PAPER

PRESSURE SENSITIVE RECORDING PAPER

SOLVENT MIXTURE FOR DYE PRECURSOR FOR MICROCAPSULES ON PRESSURE SENSITIVE PAPER

PRESSURE SENSITIVE RECORDING MATERIAL

Microcapsule-containing inks for letterpress or offset printing

PRESSURE-SENSITIVE COPYING PAPER WITH NOVEL COLOR FORMER SOLVENT

PROCESS FOR PRODUCING A SHEET OF COLOR-DEVELOPER FOR PRESSURE-SENSITIVE RECORDING PAPER

Disclosed herein is a process for producing a sheet of a color-developer for a pressure-sensitive recording paper, which process comprises the steps of dissolving an organic color-developer in an organic solvent, dispersing the formed solution into water, thereby forming minute liquid droplets with a diameter of 0.01 to 2 .mu.m, removing the solvent in the liquid droplets by heating while taking care not to cause any coalescence of the droplets and also any unstabilization of the emulsion, thereby forming a slurry comprising the minute granules of the color-developer and applying the slurry on a supporting sheet.

SOLVENT FOR CHROMOGENIC DYE-PRECURSOR MATERIAL FOR PRESSURE-SENSITIVE RECORDING PAPER SHEET AND PRESSURE-SENSITIVE RECORDING PAPER SHEET PREPARED BY USING THE SOLVENT

Disclosed herein are a solvent for a chromogenic dyeprecursor material for a pressure-sensitive recording paper sheet, comprising (1) 30 to 80% by weight of p-monoisopropylbiphenyl or a biphenyl mixture of not less than 80% by weight of p-monoisopropylbiphenyl, not more than 20% by weight of m-monoisopropylbiphenyl and not more than 10% by weight of diisopropylbiphenyl, and (2) 70 to 20% by weight of diisopropylnaphthalene or a naphthalene mixture of not less than 97% by weight of diisopropylnaphthalene, not more than 1% by weight of monoisopropylnaphthalene and not more than 2% by weight of triisopropylnaphthalene, and a pressure-sensitive recording paper sheet prepared by using the solvent.

SOLVENT FOR THE DYE OF PRESSURE-SENSITIVE RECORDING PAPER

A solvent for the dye of pressure-sensitive recording paper which solvent has no offensive odor and both the color developing rate and developed color density are excellent. The solvent is is characterized in that it comprises a fraction mainly containing triaryldialkanes having boiling points above 350.degree.C but not higher than 450.degree.C that is prepared by disproportionating diarylalkane or a hydrocarbon mixture comprising the same at temperatures in the range of 20 to 500.degree.C in the presence of a disproportionation catalyst, said diarylalkane having boiling points in the range of 260 to 320.degree.C.

PRESSURE SENSITIVE COPY MATERIAL

The present invention provides a pressure sensitive copy material using an electron accepting developer and an electron donating coupler which develops a color by contacting with the developer, the pressure sensitive copy material being characterized by employing phenyl-sec-butyl-phenyl-methane as a solvent for the electron donating coupler.

COMPOSITION, ITS APPLICATION AS A DIELECTRIC MATERIAL AND PROCESS FOR ITS PRODUCTION

Composition comprenant au moins une huile isolante électrique (A) dans une proportion prédéterminée suffisante pour usage comme isolant électrique, et au moins un aldéhyde (B) dans une proportion prédéterminée suffisante pour améliorer les propriétés diélectriques de l'huile. L'aldéhyde est choisi parmi le méthoxy-3 hydroxy-4 benzaldéhyde, le méthoxy-4 hydroxy-3 benzaldéhyde et l'éthoxy-3 hydroxy-4 benzaldéhyde, ou un mélange de deux quelconques d'entre eux.

PRESSURE-SENSITIVE RECORDING SHEET

DYE SOLVENTS FOR PRESSURE-SENSITIVE RECORD MATERIAL

SOLVENT COMPOSITIONS FOR USE IN PRESSURE-SENSITIVE COPYING PAPER

... 39 Solvent Compositions For Use In Pressure Sensitive Copying Papers A solvent composition for use in pressure-sensitive copying papers comprises a mixture of vegetable oil and a mono- or difunctional ester of a fatty acid or other acid composed of a non aromatic saturated or unsaturated straight or branched hydrocarbon chain and a single terminal carboxyl group.

Encre pour impression chromogène noire

Dispositifs de copie piezosensibles

Mischung zur Verwendung in Aufzeichnungssystemen

PROCEDURE FOR THE PRODUCTION OF CONCENTRATED SOLUTIONS OF FARBBILDERN.

LIQUID MARKING COMPOSITION.

SOLVENT FOR CHROMOGENES COLORING MATERIAL FORERUNNER MATERIAL FOR A PRESSURE-SENSITIVE GRAPH PAPER SHEET AND THE SAME CONTAINING PRESSURE-SENSITIVE GRAPH PAPER SHEET.

Hydrocarbon solvent and pressure-sensitive copying material made with the same

本发明提供一种烃类溶剂以及用其制成的压敏复写材料。该溶剂的特征在于由苯乙烯及枯烯在酸催化剂存在下反应制得的1-苯基-1-(对异丙苯基)乙烷的含量在85重量%以上，而苯乙烯二聚物的含量合计在5重量%以下的馏分构成，借此制得的烃类溶剂价格低廉，而且染料溶解的性能和发色速度等极好，在臭味方面也没问题。

Process for producing a solvent for use in microcapsule for pressure-sensitive copying paper

SOLUTIONS OF STABLE CHROMOGENES STRONGLY CONCENTREES, THEIR METHOD OF PREPARATION AND THEIR USE IN PREPARATIONS FOR MATTERS Of RECORDING SENSITIVE TO the PRESSURE

PAPER TO DUPLICATE PIEZOSENSIBLE, INCLUDING/UNDERSTANDING A ALKYLPHENOL OR A MERCAPTAN

SOLVENTS HAS LOW ODOR CONTAINING XYLENE BENZYL FOR DYES, FOR SYSTEMS OF COPY SENSITIVE TO THE PRESSURE

METHOD OF PREPARATION OF MICROCAPSULES

DISPOSITIFS OU SYSTEMES D'ENREGISTREMENT SENSIBLES A LA PRESSION, RENFERMANT DES ESTERS ARYLIQUES D'ACIDE BENZOIQUE SUBSTITUE OU NON SUBSTITUE COMME SOLVANTS DE COMPOSANTS CHROMOGENES

Solvants de matières colorantes pour des dispositifs de copie. Ces solvants utiles pour dissoudre des matières colorantes comprennent des esters aryliques d'acide benzoïque ou d'acide benzoïque substitué ayant la structure : ...

Reproduction Systèmés pressure-sensitive

RECORDING PAPER SENSITIVE TO THE PRESSURE AND ITS USE

SOLVANT POUR COLORANTS APPLIQUES AUX PAPIERS AUTOCOPIANTS

L'INVENTION CONCERNE UN SOLVANT POUR COLORANTS A APPLIQUER AUX PAPIERS AUTOCOPIANTS, CARACTERISE PAR LE FAIT QU'IL COMPREND UN MELANGE DES HYDROCARBURES SUIVANTS: (CF DESSIN DANS BOPI) ...

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

Dye solvents for pressure-sensitive copying systems

Solvents useful to dissolve dyes employed in pressure-sensitive copying systems comprise aryl esters of benzoic or substituted benzoic acid having the structure: wherein R1 is hydrogen, methyl or ethyl; R2 is hydrogen or C1 to C9 alkyl; R3 is hydrogen, methyl or ethyl; and n is zero or 1.

Dye solvents for pressure-sensitive copying systems

Solvent compositions useful to dissolve dyes employed in pressure-sensitive copying systems comprise: ...

Recording sheet having a chlorinated alpha-olefin solvent

A recording sheet is provided having a support with a layer of microcapsules on the surface thereof. The microcapsules contain a substantially colorless electron donating color former and a chlorinated alpha-olefin as a solvent for the color former.

IR-readable pressure-sensitive recording material and microcapsules

The CB-layer of the IR-readable pressure-sensitive recording material contains microcapsules which contain a solution of a nigrosine dye in C8-C14 alkanols which are liquid at room temperature. Strongly-coloured and clear copy characters which are IR-readable are produced on normal paper, on coating base paper or on coated paper.

MICROOCAPSULES

PARTIAL PRESSURE SENSITIVE PAPER

PURPOSE: To obtain a partial pressure sensitive paper having high quality similar to that of a total pressure sensitive paper obtained through an aqueous suspension method, by partially coating a paper with an ink in which microcapsules containing a solution of an electron-donative colorless dye therein, a heat-fusible substance and a high boiling point solvent are uniformly dispersed. CONSTITUTION: A high boilding point solvent is incorporated into a heat-fusible solid substance, in a pressure sensitive paper obtained by applying an encapsulated electron-donative colorless dye solution and the heat-soluble substance to a surface of a paper. The solvent has an average boiling point of 250W350°C and having a ratio of the number of carbon atoms in aromatic rings to the total number of carbon atoms of not less than 25%, e.g., methylnaphthalene, and is preferably used in such a ratio that the weight ratio of the amount of the solvent to the amount of the heat-fusible substance is 0.125W2.5.

Mikrokapseldispersion

The microcapsules of a dispersion for producing pressure-sensitive printing papers contain as solvent 10 to 30 % by weight of a liquid paraffin oil at room temperature, 25 to 60 % by weight of a liquid vegetable oil at room temperature or 15 to 60 % by weight of a mixture of 5 to 30 % by weight of a liquid paraffin oil at room temperature and 10 to 55 % by weight of a liquid vegetable oil at room temperature, the balance consisting of a solid or semi-solid vegetable oil at room temperature. The solvent contained in the core of the capsules is liquid at room temperature and the capsule wall is made of polycarbamide.

MARKING LIQUID COMPOSITION

PRESSURE-SENSITIVE MARK-RECORDING SYSTEMS AND SOLUTIONS FOR USE IN SUCH SYSTEMS

SOLVENT

SOLVENT FOR CHROMOGENIC DYE-PRECURSOR MATERIAL AND PRESSURE-SENSITIVE RECORDING SYSTEM PREPARED USING THE SOLVENT

Recording material

A recording material prepared by using a solvent mixture which has excellent dissolving property for dye-precursors and which gives high color developing rate and high developed color density. The recording material comprises a sheet material having thereon a layer of microcapsules containing an electron donating dye-precursor and a solvent mixture for said dye-precursor, and is characterized in that said solvent mixture consists essentially of 5 to 50 wt % of 1-methyl-3-phenylindane and 95 to 50 wt % of at least one kind of diarylalkanes.

MICROCAPSULES FOR CARBONLESS COPING PAPER

... 1359512 Pressure-sensitive record sheets KUREHA KAGAKU KOGYO KK 9 July 1971 [11 July 1970 2 Sept 1970 (2) 20 April 1971 (7)] 32424/71 Heading D2B [Also in Division C5] Copying paper is coated with a layer of microcapsules containing a dye composition comprising 100 p.b.w. of one or more alkyl naphthalenes of formula: wherein each R is C 1 -C 4 alkyl, n is 1-4, and the total number of alkyl C atoms is 4-6, 0-100 p.b.w. mineral oil, and 0.5-15 p.b.w. of a dye which is coloured under acid conditions. Suitable dyes are methyl or crystal violet, malachite green, rhodamine B, o-hydroxybenzalacetrophenone, or a derivative of Michler's hydrol, indole pyromellitate, or fluorane. The microcapsules may also contain inorganic or organic acidic materials such as bentonite, kaolin or other acid clays, zinc oxide, talc, silica, a zeolite, or an acidic polymer. Alternatively or in addition the acid developer may be coated on a further sheet of paper. In Examples coated sheets are prepared by conventional ...

PRESSURE-SENSITIVE RECORD MATERIALS

... 1516383 Pressure-sensitive record materials CHAMPION PAPER CO Ltd 26 Aug 1975 [26 Aug 1974] 35271/75 Heading C4A [Also in Division D2] Pressure -sensitive record material comprises a substrate bearing isolated droplets of an oily solution of a colourless, chromogenic dye-precursor material in an oil, the oil being a halogen-free solvent for the dye-precursor material and consisting essentially of a mixture of (a) 25-40% by weight of a monoalkylnaphthalene having 1 to 3 carbon atoms in the alkyl group, and (b) the remainder of the mixture being one or more dialkylnaphthalenes in which each alkyl group has 2 to 4 carbon atoms, with not more than 10% by weight of trialkylnaphthalenes but excluding a mixture of mono-, di- and tri-isopropyl-naphthalenes in the weight proportions of 35:60:5, the droplets being isolated by solid resinous capsule walls formed by the reaction between a dispersion in an aqueous solution of a water-soluble, organic, polymeric film-forming emulsifying agent possessing ...

SOLVENT, SOLUTIONS AND PRESSURE-SENSITIVE ONES OF INDICATION RECORDING SYSTEMS.

Pressure-sensitive recording material

MICRO CAPS FUR THE PRODUCTION OF DURCHSCHREIBEMATERIAL

MICRO CAPS FUR THE PRODUCTION OF DURCHSCHREIBEMATERIAL

SEC-BUTYLBIPHENYL COMPOSITION AND PROCESS

RECORD MATERIAL INCORPORATING MICROCAPSULATED VEGETABLE OILS

A novel pressure sensitive record material suitable for use for high temperature reprographic equipment is disclosed comprising a sheet support carrying isolated droplets of an oil solution of chromogenic material, said isolated droplets being confined within respective pressure rupturable barriers, and, on the opposite surface of the same sheet or on a different sheet support, a coating of a acidic developer material effective to develop the color of the chromogenic material in solution on contact, wherein, the pressure rupturable barrier comprises microcapsules having a wall material formed from polymerization of melamine and formaldehyde, methylol melamine methylated methylol melamine, urea and formaldehyde, dimethylol urea or methylated dimethylol urea, with a copolymer of acrylic acid and alkyl acrylate; the oil solution comprises a blend of (i) a vegetable oil having a degree of unsaturation greater than 30% such as canola oil, soybean oil, corn oil, sunflower oil, or cottonseed oil with (ii) alkyl esters of fatty acids derived from transesterification of the same or different vegetable oils such as a canola oil, soybean oil, corn oil, sunflower oil, or methyl ester of oleic acid, and (iii) straight chain saturated paraffinic aliphatic hydrocarbons of from 10 to 13 carbons. The disclosed pressure sensitive record material is suitable for use in high temperature reprographic environments.

PRESSURE-SENSITIVE RECORD MATERIAL AND DYE SOLVENTS THEREFOR

SINGLE COATING RECORD SYSTEM--SOLVENT LOSS PRODUCES COLOR

SOLVENTS, SOLUTIONS, AND PRESSURE-SENSITIVE MARK-RECORDING SYSTEMS

... 43-21-4593A SOLVENTS, SOLUTIONS, AND PRESSURE-SENSITIVE MARK-RECORDING SYSTEMS A pressure-sensitive mark-recording system comprising (a) sheet material, (b) mark-forming components supported by the sheet material and arranged in juxtaposition comprising a chromogen material and an acid clay sensitizing agent for the chromogenic material which produces a colour from the chromogenic material when brought into contact with the chromogenic material in the presence of a solvent for the chromogenic material with the solvent supported by the sheet material but separated from its sensitizing agent by a physical barrier which is rupturable on the application of the marking instrument to the sheet material, the invention characterized in that the liquid solvent is a solvent comprised of a blend of aromatic hydrocarbon components in which at least one-half the carbon atoms are benzenoid or a mixture of such hydrocarbons, and a diester component.

CHROMOGEN SOLUTIONS AND PRESSURE-SENSITIVE MARK-RECORDING SYSTEMS

CHROMOGEN SOLUTIONS AND PRESSURE-SENSITIVE MARK-RECORDING SYSTEMS ABSTRACT Pressure-sensitive mark-recording systems of chromogens comprised of diphenylmethane derivatives in solution with selected diester solvents is disclosed as well as pressure-sensitive mark-recording systems comprised of (a) sheet material, (b) mark-forming components supported by the sheet material and arranged in juxtaposition but in unreactive condition, a chromo-gen, and an acid clay sensitizer for the chromogen, and (c) the solvent supported by the sheet material but separated from the sensitizing agent by a physical barrier which is rupturable on the application of a marking instrument to the sheet material.

PRESSURE-SENSITIVE COPYING SYSTEMS

SOLVENT COMPOSITION FOR DYES FOR USE IN PRESSURE-SENSITIVE COPYING PAPER

MICROCAPSULES CONTAINING AS SOLVENT a TERPENIC DRIFT OR Of ABIETIC ACID AND SENSITIZED PAPERS TO the PRESSURE COVERED WITH THESE MICROCAPSULES

RECORDING PAPER SENSITIVE TO THE PRESSURE AND ITS USE

SOLVENTS FOR CHROMOGENIC MATERIALS

PRESSURE-SENSITIVE RECORD MATERIAL

MICROCAPSULES FOR CARBONLESS COPING PAPER

PRECURSORY SOLVENT FOR MATTER OF DYE CHROMOGENE FOR a Sheet of paper Of RECORDING SENSITIVE TO the PRESSURE AND Sheet of paper Of RECORDING SENSITIVE TO PRESSURE PREPAREE WITH SOLVENT

ON DECRIT UN SOLVANT POUR UNE MATIERE PRECURSEUR DE COLORANT CHROMOGENE POUR UNE FEUILLE DE PAPIER D'ENREGISTREMENT SENSIBLE A LA PRESSION, CONSTITUE PAR 1, 30 A 80 EN POIDS DE P-MONO-ISOPROPYLBIPHENYLE OU D'UN MELANGE DE COMPOSES BIPHENYLIQUES COMPRENANT AU MOINS 80 EN POIDS DE P-MONO-ISOPROPYLBIPHEPHENYLE PAS PLUS DE 20 EN POIDS DE M-MONO-ISOPROPYLBIPHENYLE ET PAS PLUS DE 10 EN POIDS DE DIISOPROPYLBIPHENYL ET 2, 70 A 20 EN POIDS DE DIISOPROPYLNAPHTALENE OU D'UN MELANGE DE COMPOSES NAPHTALENIQUES COMPRENANT AU MOINS 97 EN POIDS DE DIISOPROPYLNAPHTALENE, PAS PLUS DE 1 EN POIDS DE MONO-ISOPROPYLNAPHTALENE ET PAS PLUS DE 2 EN POIDS DE TRIISOPROPYLNAPHTALENE. ON DECRIT EGALEMENT UNE FEUILLE DE PAPIER D'ENREGISTREMENT SENSIBLE A LA PRESSION PREPAREE AVEC CE SOLVANT. A SOLVENT FOR A CHROMOGENOUS COLORANT PRECURSOR MATERIAL FOR A SHEET OF PRESSURE SENSITIVE RECORDING PAPER, CONSTITUTED BY 1.30 TO 80 BY WEIGHT OF P-MONO-ISOPROPYLBIPHENYL OR A MIXTURE OF BIPHENYL MEDIUM COMPOUNDS 80 BY WEIGHT OF P-MONO-ISOPROPYLBIPHEPHENYL NOT MORE THAN 20 BY WEIGHT OF M-MONO-ISOPROPYLBIPHENYL AND NOT MORE THAN 10 BY WEIGHT OF DIISOPROPYLBIPHENYL AND 2, 70 TO 20 BY WEIGHT OF DIISOPROPYLNAPHENTALENE COMPONENT OF M-MONO-ISOPROPYLBIPHENYL LESS 97 BY WEIGHT OF DIISOPROPYLNAPHTHALENE, NOT MORE THAN 1 BY WEIGHT OF MONO-ISOPROPYLNAPHTHALENE AND NOT MORE THAN 2 BY WEIGHT OF TRIISOPROPYLNAPHTHALENE. A SHEET OF PRESSURE SENSITIVE RECORDING PAPER PREPARED WITH THIS SOLVENT IS ALSO DESCRIBED.

PAPIER ENREGISTREUR SENSIBLE A LA PRESSION ET SON UTILISATION

UN PAPIER ENREGISTREUR SENSIBLE A LA PRESSION PRESENTANT D'EXCELLENTES PROPRIETES MEME DANS DES CONDITIONS D'ENVIRONNEMENT SEVERES, TELLES QU'UNE TEMPERATURE ELEVEE ET UNE FORTE HUMIDITE OU UNE BASSE TEMPERATURE COMPREND UNE FEUILLE REVETUE DE MICROCAPSULES CONTENANT UNE SOLUTION D'UN AGENT CHROMOGENE DANS UN SOLVANT COMPRENANT ESSENTIELLEMENT DE L'ISOPROPYLPHENYL-1 PHENYL-2 ETHANE. LA FIGURE UNIQUE MONTRE LES VARIATIONS DE LA DENSITE DE COULEUR EN FONCTION DU TEMPS S APRES DEVELOPPEMENT DE LA COULEUR DE CE PAPIER.

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

NEW ORGANIC SOLVENT FOR USEFUL MICROCAPSULES IN PARTICULAR FOR THE REALIZATION OF PAPER DUPLICATING SENSITIVE TO THE PRESSURE AND SENSITIZED PAPER HAS LAPRESSION COVERED SUCH MICROCAPSULES

SOLVANTS POUR COLORANTS DE MATERIAUX D'ENREGISTREMENT SENSIBLESA LA PRESSION

Carbonless paper solvent comprising diisopropylmethylnaphthalene and products utilizing same

A carbonless paper solvent is provided comprising diisopropylmethylnaphthalene, generally in an amount of from 20% to 100% of the total weight of the solvent. The solvent is combined with a chromogenic substance and is encapsuled into microcapsules. The microcapsules are applied to a sheet of material and a color developing substance is then applied to another sheet to form a carbonless marking system. When the microcapsules are ruptured, the solubilized chromogenic substance contacts and reacts with the developer to form an image. In a method of the invention, a by-product fraction consisting of components with a boiling point range of 200° to 400° C. are contacted with propylene under conditions sufficient to form an alkylation product comprising diisopropylmethylnaphthalene.

MATERIAL COMPOSITION FOR PRESSURE MEASUREMENT, MATERIAL FOR PRESSURE MEASUREMENT, AND MATERIAL SET FOR PRESSURE MEASUREMENT

Provided are a material for pressure measurement, including a color forming layer that contains microcapsules A encapsulating an electron-donating colorless dye precursor and microcapsules B not encapsulating an electron-donating colorless dye precursor, in which a volume standard median diameter D50A of the microcapsules A and a volume standard median diameter D50B of the microcapsules B satisfy Equation 1; a material composition for pressure measurement; and a material set for pressure measurement: 1. A material for pressure measurement , comprising:a support;a color forming layer that contains a first layer and microcapsules A encapsulating an electron-donating colorless dye precursor; andan easy-adhesion layer between the support and the color forming layer, {'br': None, 'i': D', 'A<, '10 μm<5040 μm\u2003\u2003Equation 2'}, 'wherein the first layer is constituted of components of a composition including the microcapsules A except for the microcapsules A when applying the composition including the microcapsules A onto the support, wherein a volume standard median diameter D50A of the microcapsules A satisfy Equation 22. The material for pressure measurement according to claim 1 , wherein the first layer is a layer that comprises a polymer binder.3. The material for pressure measurement according to claim 1 , wherein the median diameter D50A satisfies Equation 2-3:{'br': None, 'i': D', 'A<, '25 μm<5035 μm\u2003\u2003Equation 2-3'}4. The material for pressure measurement according to claim 1 , wherein a content of the microcapsules A is 50% by mass to 80% by mass with respect to a total solid content of the color forming layer.5. The material for pressure measurement according to claim 1 , wherein the easy-adhesion layer comprises a urethane polymer or a block isocyanate.6. The material for pressure measurement according to claim 1 , wherein the volume standard median diameter D50X of all particles contained in the color forming layer satisfies Equation 4:{'br': ...

Material composition for pressure measurement, material for pressure measurement, and material set for pressure measurement

Provided are a material for pressure measurement, including a color forming layer that contains microcapsules A encapsulating an electron-donating colorless dye precursor and microcapsules B not encapsulating an electron-donating colorless dye precursor, in which a volume standard median diameter D50A of the microcapsules A and a volume standard median diameter D50B of the microcapsules B satisfy Equation 1; a material composition for pressure measurement; and a material set for pressure measurement: D 50 A<D 50 B   Equation 1.

Pressure Sensitive Recording Material

Pressure sensitive recording material

Patent JPS6150797B2

Pressure sensitive copying paper

Solvent compositions for use in pressure-sensitive copying paper

A solvent composition for use in pressure-sensitive copying papers comprises a mixture of vegetable oil and a mono- or di-functional ester of a fatty acid or other acid composed of a non-aromatic saturated or unsaturated straight or branched hydrocarbon chain and a single terminal carboxyl group.

Copying material

(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。

PARTIALLY PRESSURE SENSITIVE RECORDING PAPER

NOVEL COMPOSITION, ITS APPLICATION AS AN ELECTRICAL INSULATOR AND ITS MANUFACTURING METHOD

L'invention concerne une composition comprenant au moins une huile isolante électrique A et au moins un produit B ayant au moins 6 atomes de carbone et portant une fonction aldéhyde. La demanderesse a ainsi fortement augmenté les propriétés diélectriques du benzyltoluène et ses oligomères A en y incorporant de l'éthoxy-3 hydroxy-4 benzaldéhyde. The invention relates to a composition comprising at least one electrical insulating oil A and at least one product B having at least 6 carbon atoms and carrying an aldehyde function. The Applicant has thus greatly increased the dielectric properties of benzyltoluene and its A oligomers by incorporating 3-hydroxy-4-benzaldehyde therein.

Patent FR2111473A5

Pressure sensitive papers - contng alkyl naphthalenes as solvents for colour formers in microcapsules

Pressure sensitive recording material comprises a support sheet coated coated with microcapsules contg. a colour former and an alkylnaphthalene melting below 0 degrees C of formula:- where R1 is alkyl and R2 is H or alkyl. Total C atoms in R1 and R2 is 1-12. Improved colours and copying results compared with chlorodiphenyl.

PREPARATION OF ALKYLNAPHTHALEN MIXTURES

Patent FR2226283A1

Patent FR2373590B1

Chromogenic composition for use in pressure-sensitive record material

ABSTRACT CHROMOGENIC COMPOSITION FOR USE IN PRESSURE SENSITIVE RECORD MATERIAL A chromogenic composition for use in pressure-sensitive record material comprises chromogenic material in an ester vehicle. The ester may be mono-, di- or tri-functional and is of a non-aromatic mono-carboxylic acid having a straight or branched hydrocarbon chain with at least three carbon atoms in the chain. Suitable esters include fatty acid esters such as cocoates, isostearates, myristates, and palmitates and wax esters such as alkyl-branched esters of an aliphatic carboxylic acid and an aliphatic alcohol.

PARTIALLY PRESSURE SENSITIVE RECORDING PAPER

PAPIER D'ENREGISTREMENT PARTIELLEMENT SENSIBLE A LA PRESSION COMPRENANT UNE FEUILLE DE PAPIER SUR UNE SURFACE DE LAQUELLE LA DISPERSION DES MICRO-CAPSULES CONTENANT UNE SOLUTION D'UN COLORANT DONNEUR D'ELECTRONS EN TANT QUE MATIERE CENTRALE DANS UNE SUBSTANCE SOLIDE THERMO-FUSIBLE A ETE APPLIQUEE PARTIELLEMENT, CARACTERISE PAR LE FAIT QUE LA SUBSTANCE SOLIDE THERMO-FUSIBLE CONTIENT UN SOLVANT ORGANIQUE AYANT UN POINT D'EBULLITION MOYEN VARIANT ENTRE 250 ET 350C ET UN RAPPORT NOMBRE D'ATOMES DE CARBONES DE NOYAU AROMATIQUE NOMBRE D'ATOMES DE CARBONE TOTAL NON INFERIEUR A 25, QUE LE RAPPORT PONDERAL SOLVANT ORGANIQUESUBSTANCE SOLIDE THERMO-FUSIBLE SE TROUVE ETRE ENTRE 0,125 ET 2,5 ET QUE LE RAPPORT PONDERAL SUBSTANCE SOLIDE THERMO-FUSIBLEMICROCAPSULES SE TROUVE ETRE ENTRE 0,5 ET 1,5. PARTIALLY PRESSURE-SENSITIVE RECORDING PAPER COMPRISING A SHEET OF PAPER ON A SURFACE OF WHICH THE DISPERSION OF MICRO-CAPSULES CONTAINING AN ELECTRON-DONOR DYE SOLUTION AS A CENTRAL MATERIAL IN A SOLID THERMO-FUSABLE SUBSTANCE APPLIED PARTIALLY, CHARACTERIZED BY THE FACT THAT THE SOLID THERMO-FUSABLE SUBSTANCE CONTAINS AN ORGANIC SOLVENT HAVING AN AVERAGE BOILING POINT VARIING BETWEEN 250 AND 350C AND A NUMBER OF ATOMS OF CARBONES OF AROMATIC CORE NUMBER OF NON-CARBON ATOMS LESS THAN 25, THAT THE PONDERAL SOLVENT ORGANIC SUBSTANCE THERMO-FUSIBLE RATIO IS FOUND BETWEEN 0.125 AND 2.5 AND THAT THE PONDERAL SOLID THERMO-FUSIBLEMICROCAPSULES SUBSTANCE RATIO IS FOUND BETWEEN 0.5 AND 1.5.

Pressure-sensitive record material employing alkyl naphthalene dye-precursor solvent

ABSTRACT OF THE DISCLOSURE A solvent composition for use in carbonless copy systems consisting essentially of a combination of a mono-alkyl naphthalene, wherein said alkyl group contains from 1 to 3 carbon atom per molecule and a di-alkyl naphthalene, wherein each of said alkyl groups in said di-alkyl naphthalene contains from 2 to 4 carbon atoms per molecule. The solvent is used in the production of microcapsules wherein an iso-cyanate cross-linking agent is dissolved in the solvent.

HIGHLY CONCENTRATED STABLE CHROMOGENIC SOLUTIONS, PROCESS FOR THEIR PREPARATION AND THEIR USE IN PREPARATIONS FOR PRESSURE-SENSITIVE RECORDING MATERIALS

SOLUTIONS DE CHROMOGENES STABLES FORTEMENT CONCENTREES; LEUR PROCEDE DE PREPARATION ET LEUR UTILISATION DANS DES PREPARATIONS POUR MATIERES D'ENREGISTREMENT SENSIBLES A LA PRESSION. CE PROCEDE POUR LA PREPARATION DE SOLUTIONS CONCENTREES DE CHROMOGENES STABLES, COMME LES BIS-INDOLYPHTALIDES ET EN PARTICULIER LES COMPOSES DE CARBAZOLYLMETHANE, EST CARACTERISE PAR LE FAIT QU'UNE FOIS LA PREPARATION DU CHROMOGENE TERMINEE, LE SOLVANT UTILISE EST ELIMINE DU MELANGE REACTIONNEL ET LE RESIDU EST DISSOUS DANS UN SOLVANT HYDROPHOBE POUR AVOIR UNE FORMULATION LIQUIDE AYANT UNE CONCENTRATION MINIMUM DE 10 EN POIDS. UTILISATION DE CETTE FORMULATION LIQUIDE POUR LA PREPARATION D'UNE MATIERE POUR ENREGISTREMENT SENSIBLE A LA PRESSION. HIGHLY CONCENTRATED STABLE CHROMOGEN SOLUTIONS; THEIR PREPARATION PROCESS AND THEIR USE IN PREPARATIONS FOR PRESSURE SENSITIVE RECORDING MATERIALS. THIS PROCESS FOR THE PREPARATION OF CONCENTRATED SOLUTIONS OF STABLE CHROMOGENES, SUCH AS BIS-INDOLYPHTHALIDES AND IN PARTICULAR CARBAZOLYLMETHANE COMPOUNDS, IS CHARACTERIZED BY THE FACT THAT ONCE THE PREPARATION OF THE CHROMOGEN IS COMPLETED, THE SOLVENT IS USED AND REMOVED FROM THE MIXTURE. RESIDUE IS DISSOLVED IN A HYDROPHOBIC SOLVENT TO HAVE A LIQUID FORMULATION WITH A MINIMUM CONCENTRATION OF 10 BY WEIGHT. USE OF THIS LIQUID FORMULATION FOR THE PREPARATION OF A PRESSURE SENSITIVE RECORDING MATERIAL.

SOLVENT FOR CHROMOGENEOUS DYE PRECURSOR FOR SELF-COPYING SHEET AND SELF-COPYING SHEET PREPARED USING THE SOLVENT

PROCESS FOR THE PREPARATION OF MICROCAPSULES

LA PRESENTE INVENTION EST RELATIVE A UN PROCEDE DE PREPARATION DE MICROCAPSULES. IL SE CARACTERISE EN CE QU'ON DISPERSE ET EMULSIFIE UN SOLVANT ORGANIQUE HYDROPHOBE CONTENANT UN COMPOSE REPRESENTE PAR LA FORMULE II CI-APRES: (CF DESSIN DANS BOPI) DANS UN MILIEU AQUEUX CONTENANT UN ACIDE SULFINIQUE DE FORMULE I:R-SOHLEQUEL MILIEU AQUEUX SERT DE MILIEU AQUEUX POUR LA PREPARATION DES MICROCAPSULES, AFIN DE FAIRE REAGIR LES COMPOSES DE FORMULES I ET II ET OBTENIR UN DERIVE DE DIARYLMETHANE REPRESENTE PAR LA FORMULE III CI-APRES: (CF DESSIN DANS BOPI) TOUT EN ENCAPSULANT DES GOUTTELETTES HUILEUSES DE LA SOLUTION RESULTANTE DU DERIVE DE DIARYLMETHANE DANS LE SOLVANT ORGANIQUE HYDROPHOBE, R, R, R, R, L ET M SONT DEFINIS DANS LE BREVET. APPLICATION A LA REPRODUCTION EN COULEUR. THE PRESENT INVENTION RELATES TO A PROCESS FOR PREPARING MICROCAPSULES. IT IS CHARACTERIZED IN THAT A HYDROPHOBIC ORGANIC SOLVENT CONTAINING A COMPOUND REPRESENTED BY FORMULA II BELOW: (CF DRAWING IN BOPI) IN AN AQUEOUS MEDIUM CONTAINING A SULFINIC ACID OF FORMULA I: R-SOHLEUX AQUE MEDIUM SERVES AS AQUEOUS MEDIUM FOR THE PREPARATION OF MICROCAPSULES, IN ORDER TO REACT THE COMPOUNDS OF FORMULAS I AND II AND OBTAIN A DERIVATIVE OF DIARYLMETHANE REPRESENTED BY FORMULA III BELOW: (CF DRAWING IN BOPI) WHILE ENCAPSULATING DROPS FROM THE OIL RESULTING SOLUTION OF THE DERIVATIVE OF DIARYLMETHANE IN THE HYDROPHOBIC ORGANIC SOLVENT, R, R, R, R, L AND M ARE DEFINED IN THE PATENT. APPLICATION TO COLOR REPRODUCTION.

Patent FR2448556B1

SOLVENT FOR DYE PRECURSOR MATERIAL FOR PRINT-SENSITIVE RECORDING PAPER.

HYDROCARBON SOLVENT AND A PRESSURE-SENSITIVE COPIER MATERIAL MADE FROM THIS

Colorless ink to give black print

Solvent composition for dyes for use in pressure-sensitive copying paper

Microcapsules having capsule walls formed of aliphatic diisocyanate and diamine

In microcapsules of the type used for pressure-sensitive, carbonless copy papers, having walls formed from aliphatic diisocyanate and diamine and containing a solvent mixture with a dye precursor dissolved therein, the solvent mixture containing a component which easily dissolves the dye precursor and the capsule wall material and a component which only poorly dissolves the dye precursor and the capsule wall, the improvement comprising the poorly disolving solvent component is an alkylbenzene having from 8 up to 14 C-atoms in the alkyl moiety; and the easily dissolving solvent component is selected from the group consisting of diisopropyl naphthaline, a hydrogenated terphenyl, an alkylated diphenyl, a diphenyl alkane, a chloroparaffin and a mixture thereof, the ratio of easily to poorly dissolving components ranging from 15:85 to 75:25 vol %, and being adjusted within this range so that a solution of the wall-forming aliphatic diisocyanate is just at the turbidity point in the mixture of easily dissolving and poorly dissolving components.

Recording material

A recording material which is produced through the reaction of two kinds of color formers, namely a metallosilane compound and a polyhydroxyphenol. According to the invention, clearly printed, typed or handwritten letters or figures are easily formed on a substrate, with an excellent fastness against light, heat, water, and chemicals, and with an excellent color tone.

PRESSURE SENSITIVE COPYING PAPER; (

TRYCKKAENSLIGT UPPTECKNINGSSYSTEM OMFATTANDE ETT KROMOGENT MATERIAL ETT MED DETTA REAKTIVT MATERIAL OCH ETT TERFENYLLOESNINGSMEDEL

PRESSURE SENSITIVE RECORDING MATERIAL USING ALKYLNAPHTHALINE SOLVENTS FOR DYE PRECURSORS

SOLVENT COMPOSITIONS FOR USE IN PRESSURE SENSITIVE COPIER PAPER.

SE PRESENTA UN COMPUESTO SOLVENTE PARA SU USO EN PAPELES COPIATIVOS SENSIBLES A LA PRESION QUE COMPRENDE UNA MEZCLA DE UN ACEITE VEGETAL Y UN ESTER MONO O DIFUNCIONAL DE UN ACIDO GRASO U OTRO ACIDO COMPUESTO DE UNA CADENA DE HIDROCARBONO NO AROMATICO, SATURADA O INSATURADA, RECTA O RAMIFICADA Y UN GRUPO CARBOXIL TERMINAL SIMPLE.

Pressure-sensitive recording

Improvements in the preparation of a pressure sensitive recording paper, characterized in that a color former, capable of forming a distinguishable color, is dissolved when reacted with a color developer in a solvent selected from the group consisting of a alkylated biphenyl, having 1 to 4 alkyl groups and an alkylated terphenyl, having 1 to 6 alkyl groups, said alkyl groups having 1 to 12 carbon atoms, microencapsulating the solution and then coating the microcapsules on a support. (Machine-translation by Google Translate, not legally binding)

PRESSURE-SENSITIVE RECORD MATERIAL AND SOLVENT AND MICROSCAPSULE FOR USE IN IT

Recording material

Copying material

(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。

TRYCKKAENSLIGT UPPTECKNINGSSYSTEM OMFATTANDE ETT KROMOGENT MNINGSMEDEL ATERIAL ETT MED DETTA REACTIVE MATERIAL OCH ETT TERFENYLLOES

New organic solvent for microcapsules useful notably for pressure-sensitive copy paper and pressure-sensitive copy coated with such microcapsules

Microcapsule useful for pressure sensitive copying paper contains an organic soln. of a hydrophobic chromogen. The microcapsule is characterised in that the solvent is a mixt. obtd. by transesterification of a vegetable oil. Also claimed is the pressure sensitive paper coated on one side with the microcapsule.

Business document having security features

A security coating for business documents printed using noncontact as well as impact printing devices is provided which enhances the adhesion of toner particles and/or ink to a document substrate. Other security features may be also be added to the coating to provide a dual-function coating which also provides visible evidence of tampering, either by the application of solvents, mechanical abrasion, heat, or when pressure is applied.

Highly concentrated stable solutions of dyes

Hochkonzentrierte, stabile Lösungen von Farbbildnern der allgemeinen Formel <IMAGE> worin X Hydroxy, Alkoxy, Alkenyloxy, Aralkoxy, Cycloalkoxy, Aryloxy, Acyloxy, Alkylamino, Dialkylamino, Acylamino, Aralkylamino oder Arylamino und R Alkyl, Alkenyl oder Aralkyl bedeuten, den Ringen A, B, C und D weitere isocyclische oder heterocyclische Ringe anelliert werden können, und die cyclischen und acyclischen Reste sowie die Ringe A, B, C und D weitere in der Farbstoffchemie übliche, nichtionische Substituenten tragen können, oder deren Mischungen in wasserunlöslichen organischen Lösungsmitteln aus der Gruppe der gegebenenfalls chlorierten Kohlenwassertsoffe, der pflanzlichen Öle oder Phthalsäureester werden zur Herstellung von druckempfindlichen Aufzeichnungsmaterialien verwendet. Highly concentrated, stable solutions of color formers of the general formula <IMAGE> in which X is hydroxy, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy, alkylamino, dialkylamino, acylamino, aralkylamino or arylamino and R is alkyl, alkenyl or aralkyl, the rings A, B, C and D further isocyclic or heterocyclic rings can be fused, and the cyclic and acyclic radicals and the rings A, B, C and D can carry further nonionic substituents customary in dye chemistry, or their mixtures in water-insoluble organic solvents from the A group of optionally chlorinated hydrocarbons, vegetable oils or phthalic acid esters are used to produce pressure-sensitive recording materials.

Dye solvents for pressure-sensitive copying systems

TITLE: DYE SOLVENTS FOR PRESSURE-SENSITIVE COPYING SYSTEMS INVENTOR: JOHN F. HERBER ABSTRACT OF THE DISCLOSURE Solvent compositions useful to dissolve dyes employed in pressure-sensitive copying systems comprise: (A) about 45 to 75 weight percent of one or more compounds having the general formula

Pressure-sensitive recording material

A pressure-sensitive recording material is disclosed, having microcapsules containing a triphenylmethane leuco-dye dissolved in a solvent composed at least 80% of plant, animal or paraffin oils, the microcapsule walls being formed of a wall material which is water-soluble or water-dispersible before the formation of the microcapsules. Preferably, the color former is of the formula <IMAGE>

Patent FR2257432A1

Method of developing colour

1368707 Pressure-sensitive recording systems MONSANTO CO 11 Aug 1972 [12 Aug 1971] 37600/72 Heading D2B In pressure-sensitive recording systems wherein color is formed by reaction between a substantially colourless chromogenic compound and a colour developing compound, the reaction is effected in the presence of a solvent comprising an alkyl-substituted aromatic hydrocarbon having the formula: wherein R is a linear C 2-11 alkyl radical and R' is H or a linear C 1-6 alkyl radical, provided that the total number of C atoms in R and R' is from 2-11, and Ar is a phenyl, biphenylyl or naphthyl radical optionally substituted by a methyl radical. The pressure sensitive recording system may be a single or two sheet system. The solvent may be used with one or more other solvents or diluents. Numerous conventional chromogenic compounds and sensitising agents which may be used are listed. The chromogenic compounds may be dissolved in the solvent and encapsulated.

Patent JPS5334527B1

Material composition for pressure measurement, material for pressure measurement, and material set for pressure measurement

本发明为一种压力测定用材料、压力测定用材料组合物及压力测定用材料组，该压力测定用材料具有发色剂层，该发色剂层含有内含电子给予性无色染料前体的微胶囊A及未内含电子给予性无色染料前体的微胶囊B，且所述微胶囊A的体积标准的中值粒径D50A和所述微胶囊B的体积标准的中值粒径D50B满足下述式1：D50A＜D50B 式1。

Composition for pressure measuring material, material for pressure measurement and pressure measurement material set

本發明提供一種壓力測定用材料、壓力測定用材料組成物及壓力測定用材料組，該壓力測定用材料具有發色劑層，該發色劑層含有內含電子給予性無色染料前驅物之微膠囊A及未內含電子給予性無色染料前驅物之微膠囊B，且前述微膠囊A的體積標準的中值徑D50A和前述微膠囊B的體積標準的中值徑D50B滿足下述式1，D50A＜D50B 式1。

Prepn. of aromatic hydrocarbon resins - using unsuitable fractions for resin formation and catalyst of aluminium chloride, hydrogen chloride and alkylated-benzene or -naphthalene

Fractions of aromatic cpds. comprising less polymerisable parts are used which are unsuitable for the prepn.of resins and are polymerised using, as catalyst, a complex of aluminium chloride, HCl and an alkylated benzene or naphthalene. Broadens the range of hydrocarbon resins which can be used and obtains mixts. with reduced bromine number. Pref., the catalyst is separately prepd. by the reaction of AlCl3 with HCl and an alkylated benzene or naphthalene, or is prepd. in situ by adding solid AlCl3 to the fraction to be polymersied and by introducing HCl into the reaction mixt. The resin distillate of a previous polymerisation reaction of an aromatic oil fraction with AlCl3, BF3 or BF3 adducts as catalyst is introduced as the fraction of aromatic cpds. USE/ADVANTAGE - The resins are used as heat carrier oils, modifiers for hardenable polymers, e.g. epoxy resins, polyurethane resins, phenol resins or polyesters, as components of corrosion protection coatings, as components in sealing compounds or briquet builders or adhesives or in repair compsns., as resins in impregnating oils or in the colour printing industry, as binding agents in the fire proofing industry and as solvents or colourants in recording materials e.g. carbon paper (are claimed)

Mark-recording systems

The invention relates to mark-recording systems, for example carbonless copying paper, in which a colourless chromogen is brought into contact with a chromogen-sensitizing agent in the presence of a liquid solvent for the chromogen, thereby producing a visible mark. In a system of the invention, the chromogen is a derivative of diphenylmethanol or diphenylmethylamine, the sensitizing agent is an acid clay, and the solvent comprises an aliphatic benzyl phthalate.

Production of alkylnaphthaline mixture

Patent DE3715649C2

Process for the stabilisation chlorinated paraffins

Chlorinated paraffins containing aliphatic or cycloaliphatic amines as stabiliser are highly suitable as solvents for colour formers in chemically reacting copy papers.

Microcapsule-containing printing inks for letterpress or offset printing

The present invention relates to printing inks for letterpress or offset printing which contain microcapsules which contain color formers, and alkali metal salts of rosin as binders and glycols or glycol ethers as solvents.

Solvent, ink and coated paper for carbonless copying system

A diisopropylnaphthalene mixture containing 50% or more of 2,7-isomer is substantially odorless, has a low viscosity and exhibits a high dissolving power particularly for an electron-donating color former including a black color former. By coating of micro-capsules of an ink comprising the solvent and a color former on a substrate, a carbonless copying paper which is odorless and excellent in color developing speed including that at lower temperatures, can be obtained.

Patent FR2148237B1

Patent JPS4841816A

Pressure sensitive recording material

Solvent for chromogenic dye-precursor material for pressure-sensitive recording paper

Method for preparing microcapsules

Mikrokapseln, die eine Lösung eines Farbstoffbildners enthalten, wobei der Farbstoffbildner als Lösung in einem organischen Lösungsmittel eingekapselt ist in Kapseln aus dem Polyadditionsprodukt eines Diisocyanats der Formel I <IMAGE> und einem Diamin, wobei als Lösungsmittel für den Farbbildner ein Gemisch aus Alkylnaphthalin und Isoparaffin mit 10 - 20 C-Atomen benutzt wird, und die Mikrokapseln nach ihrer Bildung mindestens 2 Stunden bei 60 - 70°C getempert werden. Microcapsules which contain a solution of a dye former, the dye former being encapsulated as a solution in an organic solvent, in capsules comprising the polyaddition product of a diisocyanate of the formula I <IMAGE> and a diamine, a mixture of alkylnaphthalene and isoparaffin being used as the solvent for the color former 10 - 20 C atoms is used, and the microcapsules are annealed at 60 - 70 ° C for at least 2 hours after their formation.

DYE SOLVENT FOR PRESSURE SENSITIVE WRITING MATERIALS

SOLVENT FOR CHROMOGENEOUS DYE PRECURSOR MATERIAL FOR A PRESSURE SENSITIVE RECORDING SHEET AND PRESSURE SENSITIVE RECORDING SHEET PREPARED WITH THE SOLVENT

Patent FR2242251A1

Solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet and pressure-sensitive recording paper sheet prepared by using the solvent

Disclosed herein are a substantially odorless solvent for a chromogenic dye-precursor material for a pressure-sensitive recording paper sheet, which comprises from 0 to 20% by weight of m-isopropylbiphenyl, from 40 to 75% by weight of p-isopropylbiphenyl and from 5 to 40% by weight of diisopropyldiphenyl, and a pressure-sensitive recording paper sheet comprising a colour-development sheet coated with microcapsules containing a dye solution which is composed of the chromogenic dye-precursor material and the substantially odorless solvent, and a colour-developer sheet.

TRYCKKAENSLIGT KOPIERINGSSYSTEM

SOLVENT FOR CHROMOGENEOUS DYE PRECURSOR MATERIAL FOR A PRESSURE SENSITIVE RECORDING SHEET AND PRESSURE SENSITIVE RECORDING SHEET PREPARED WITH THIS SOLVENT

No-carbon pressure sensitive copying paper

(57)【要約】 【課題】不快臭が無く、環境に対し適合性のある溶剤を 用いて、発色性能、画像保存性に優れたノーカーボン感 圧複写紙を提供する。 【解決手段】発色剤内包マイクロカプセルを含有する塗 層を設けたノーカーボン感圧複写紙において、マイクロ カプセル中の溶剤として中鎖脂肪酸トリグリセリド（Ｍ ＣＴ）を用い、発色剤としてインドリルアザフタリド化 合物或いはトリフルオロメチルアニリノ基を有するフル オラン化合物を用いる。また、これらの発色剤に異種発 色剤を混合使用する。更には、溶剤として中鎖脂肪酸ト リグリセリドと特定の脂肪酸エステル溶剤を併用し、顕 色剤として無機顕色剤を、より好ましくは半合成固体酸 を用いる。

Patent JPS5752238B2

Pressure-sensitive copying material

Chromogenic composition for use in pressure-sensitive record material

A chromogenic composition for use in pressure-sensitive record material comprises chromogenic material in an ester vehicle. The ester may be mono-, di- or tri-functional and is of a non-aromatic mono-carboxylic acid having a straight or branched hydrocarbon chain with at least three carbon atoms in the chain. Suitable esters include fatty acid esters such as cocoates, isostearates, myristates, and palmitates and wax esters such as alkyl-branched esters of an aliphatic carboxylic acid and an aliphatic alcohol.

PRESSURE SENSITIVE RECORD PAPER

Patent FR2128458B1

Highly concentrated stable solutions of color-forming agent: for pressure-sensitive recording materials

Highly concentrated stable solutions of color-forming agents of the general formula ##STR1## wherein x denotes hydroxyl, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy, alkylamino, dialkylamino, acylamino, aralkylamino or arylamino and R denotes alkyl, alkenyl or aralkyl, further isocyclic or heterocyclic rings can be fused onto the rings A, B, C and D and the cyclic and acyclic radicals and the rings A, B, C and D can carry further non-ionic substituents which are customary in dyestuff chemistry, or mixtures thereof, in water-insoluble organic solvents from the group comprising optionally chlorinated hydrocarbons, vegetable oils and phthalic acid esters are used for the preparation of pressure-sensitive recording materials.

Pressure sensitive registration material.

SOLVENT FOR DYES APPLIED TO SELF-EMPLOYING PAPERS

L'INVENTION CONCERNE UN SOLVANT POUR COLORANTS A APPLIQUER AUX PAPIERS AUTOCOPIANTS, CARACTERISE PAR LE FAIT QU'IL COMPREND UN MELANGE DES HYDROCARBURES SUIVANTS: (CF DESSIN DANS BOPI) THE INVENTION CONCERNS A SOLVENT FOR COLORANTS TO BE APPLIED TO SELF-COPYING PAPERS, CHARACTERIZED BY THE FACT THAT IT INCLUDES A MIXTURE OF THE FOLLOWING HYDROCARBONS: (CF DRAWING IN BOPI)

TRYCKKAENSLIGT KOPIERINGSSYSTEM

Solvent, ink and coated paper for carbonless copying system

A diisopropylnaphthalene mixture containing 50 % or more of 2,7-isomer is substantially odorless, has a low viscosity and exhibits a high dissolving power particularly for an electron-donating color former including a black color former. By coating of micro-capsules of an ink comprising the solvent and a color former on a substrate, a carbonless copying paper which is odorless and excellent in color developing speed including that at lower temperatures, can be obtained.

Solvent for chromogenic dye-precursor material

NOVEL ORGANIC SOLVENT FOR MICROCAPSULES USEFUL IN PARTICULAR FOR PRODUCING PRESSURE SENSITIVE SELF-COPYING PAPER AND LAPRESSION SENSITIVE PAPER COATED WITH SUCH MICROCAPSULES

L'invention concerne une microcapsule utile notamment pour papier autocopiant sensible à la pression, contenant une solution organique d'un agent chromogène hydrophobe caractérisée en ce que le solvant comprend un mélange obtenu par transestérification d'une huile végétale.De préférence, le solvant comprend en pourcentage en poids :- mélange obtenu par transestérification d'une huile végétale 30 à 100%- huile minérale 0 à 70%.L'invention concerne également les papiers sensibles à la pression revêtus sur une face d'une couche desdites microcapsules. The invention relates to a microcapsule which is useful in particular for carbonless pressure-sensitive paper, containing an organic solution of a hydrophobic chromogenic agent, characterized in that the solvent comprises a mixture obtained by transesterification of a vegetable oil. Preferably, the solvent comprises in percentage by weight: - mixture obtained by transesterification of a vegetable oil 30 to 100% - mineral oil 0 to 70%. The invention also relates to pressure-sensitive papers coated on one side with a layer of said microcapsules.

Pressure-sensitive recording material containing natural oils and/or their derivatives

The novel feature in a pressure-sensitive recording material contg. micro-encapsulated, solvent-dissolved 3.1-benzoxazine colour donors of formula (I) is that the solvent is (or contains) one or more natural oils and/or fatty acid-based esters of natural oils. In (I), A = X<2>-pC6H4- or a gp. of formula (II); B = a gp. of formula (II) or (R<6>)(R<7>)N-pC6H4-; X<1> = H, halogen, NO2, CN, 1-4C alkyl, OR<8> or NR<9>R<10>; X<2> = H, halogen, 1-4C alkyl or -OR<8>; R<1>-R<3> = H, halogen, 1-4C alkyl or -OR<8>; R<4>-R<10> = 1-8C alkyl, cyclohexyl, benzyl or phenyl, with -NR<6>R<7> and -NR<9>R<10> opt. also being pyrrolidino, piperidino or morpholino; with the proviso that the following combinations of values does not occur: A = X<2>-pC6H4-; B = (R<6>)(R<7>)N-pC6H4-; X<1> = dimethylamino; X<2> = MeO; R<3> = H; R<6> and R<7> = Et; and one of R<1> and R<2> = Me and the other = H.

Pressure-sensitive record material

A chromogenic composition for use in pressure-sensitive record material comprises chromogenic material in a vegetable oil vehicle. The vehicle is made up of at least a major proportion of relatively high melting vegetable oil which is solid or semi-solid at ambient temperatures of around 20-25°C, and is substantially free of esters of an acid derivable from an animal or vegetable oil. The high melting vegetable oil can be coconut oil, palm oil, palm kernel oil and/or a hardened vegetable oil such as hardened soya bean oil or hardened coconut oil.

SOLVENT FOR CHROMOGENEOUS DYE PRECURSOR FOR SELF-COPYING SHEET AND SELF-COPYING SHEET PREPARED USING THE SOLVENT

L'INVENTION A TRAIT A UN SOLVANT SENSIBLEMENT INODORE POUR PRECURSEUR DE COLORANT CHROMOGENE POUR FEUILLE DE PAPIER AUTOCOPIANT, QUI COMPREND DE 0 A 20 EN POIDS DE M-ISOPROPYLBIPHENYLE, DE 40 A 75 EN POIDS DE P-ISOPROPYLBIPHENYLE ET DE 5 A 40 EN POIDS DE DIISOPROPYLBIPHENYLE, AINSI QU'A UNE FEUILLE DE PAPIER AUTOCOPIANT COMPRENANT UNE FEUILLE DE DEVELOPPEMENT EN COULEUR REVETUE DE MICROCAPSULES CONTENANT UNE SOLUTION DE COLORANT, COMPOSEE DU PRECURSEUR DE COLORANT CHROMOGENE ET DU SOLVANT SENSIBLEMENT INODORE, ET UNE FEUILLE DE REVELATEUR DE COULEUR. THE INVENTION RELATES TO A SENSITIVELY ODORLESS SOLVENT FOR CHROMOGENIC DYE PRECURERER FOR SELF-COPYING PAPER SHEET, WHICH INCLUDES 0 TO 20 BY WEIGHT OF M-ISOPROPYLBIPHENYL, 40 TO 75 BY WEIGHT OF P-ISOPROPYLBIPHENYL AND 5 40 ENYL. WEIGHT OF DIISOPROPYLBIPHENYL, AS WELL AS A SHEET OF SELF-COPYING PAPER INCLUDING A COLOR DEVELOPMENT SHEET COATED WITH MICROCAPSULES CONTAINING A COLOR SOLUTION, COMPOSED OF CHROMOGENOUS DYE PRECURER AND SELF-COATING SOLVENT.

Pressure-sensitive copying material

An excellent pressure-sensitive copying material which has an excellent color forming rate, odors little, and undergoing neither offset nor blotting, said copying material comprising an electron-accepting developer and a solution of an electron-donating color former which forms color upon contact with the developer, wherein the solvent of the solution comprises a mixture of 20 to 80 wt % of sec-butyldiphenylmethane, 5 to 50 wt % of sec-butyldiphenylethane (1, 1) and 5 to 50 wt % of sec-butyldiphenylethane(1, 2).

Solvent, ink and coated paper for carbonless copying system.

A diisopropylnaphthalene mixture containing 50 % or more of 2,7-isomer is substantially odorless, has a low viscosity and exhibits a high dissolving power particularly for an electron-donating color former including a black color former. By coating of micro-capsules of an ink comprising the solvent and a color former on a substrate, a carbonless copying paper which is odorless and excellent in color developing speed including that at lower temperatures, can be obtained.

Carbonless paper printable in electrophotographic copiers

A carbonless paper construction for imaging via electrophotographic copiers comprising microcapsules encapsulating solvents of dialkyl esters of aliphatic dibasic organic acids, polyglycol ethers and alkyl esters of monobasic aromatic acids.

Pressure-sensitive recording material which comprises natural oils and/or derivatives thereof

Particularly advantageous and environmentally compatible recording material comprises, in microencapsulated form, at least one 3,1-benzoxazine color donor dissolved in a solvent, and is characterized in that the solvent consists of one or more natural oils and/or one or more esters of fatty acids on which natural oils are based, or comprises such oils and/or esters.

Pressure-sensitive record materials

MICROCAPSULES CONTAINING AS A SOLVENT A TERPENIC DERIVATIVE OR ABIETIC ACID AND PRESSURE-SENSITIVE PAPERS COATED WITH SUCH MICROCAPSULES

L'invention concerne la fabrication de nouvelles microcapsules, notamment pour papier autocopiant sensible à la pression, contenant une solution organique d'un agent chromogène caractérisée en ce que le solvant comprend un dérivé terpénique ou un dérivé d'acide abiétique, seul ou en mélange avec d'autres solvants classiques pour cette application. De préférence, le solvant comprend en pourcentage en poids: . 10 à 100% de dérivés terpéniques et/ou de dérivés d'acide abiétique, . 0 à 70% d'huile végétale ou ester d'acide gras, . 0 à 70% d'huile minérale. L'invention concerne également les papiers sensibles à la pression revêtus sur une face d'une couche desdites microcapsules. The invention relates to the manufacture of novel microcapsules, in particular for carbonless pressure-sensitive paper, containing an organic solution of a chromogenic agent, characterized in that the solvent comprises a terpene derivative or an abietic acid derivative, alone or as a mixture. with other conventional solvents for this application. Preferably, the solvent comprises, in percentage by weight:. 10 to 100% of terpene derivatives and / or abietic acid derivatives,. 0 to 70% vegetable oil or fatty acid ester,. 0 to 70% mineral oil. The invention also relates to pressure sensitive papers coated on one side with a layer of said microcapsules.

PRESSURE REGISTRY MATERIAL

A pressure-sensitive recording material is disclosed, having microcapsules containing a triphenylmethane leuco-dye dissolved in a solvent composed at least 80% of plant, animal or paraffin oils, the microcapsule walls being formed of a wall material which is water-soluble or water-dispersible before the formation of the microcapsules. Preferably, the color former is of the formula <IMAGE>

Pressure-sensitive copying material

Solvent compositions for use in pressure-sensitive copying paper

A solvent composition for use in pressure-sensitive copying papers comprises a mixture of vegetable oil and a mono- or di-functional ester of a fatty acid or other acid composed of a non-aromatic saturated or unsaturated straight or branched hydrocarbon chain and a single terminal carboxyl group.