СПОСОБ ИЗГОТОВЛЕНИЯ ПОЛУПРОЗРАЧНОЙ ПЕЧАТНОЙ КРАСКИ

Изобретение относится к изготовлению красок, используемых для нанесения на линолеум. Способ включает взвешивание компонентов, перемешивание на диспергаторе раствора карбоксилированных акрилов, воды, этилового и изобутилового спиртов и дипропиленгликоля метилэфира. Затем в смесь загружают раствор 2-амино-2-метило-1-пропанола, смесь гидрофобных компонентов и парафинированных углеводородов, 2,4,7,9-тетраметил-5-децин-4,7-диола, пропиленгликоля, трибутоксиэтил фосфата, фтористого неионогенного ПАВ, нонилфенилполиэтиленокси этанола ПАВ и раствор воска и перемешивают на диспергаторе. Затем загружают поливинилхлорид, винилхлорид, сульфат золы и оксид кремния и перемешивают. Затем в смесь заливают воду, винилхлорид сополимер, полиуретан в органическом растворителе и перемешивают. Полученную смесь перетирают в шаровой мельнице. Обеспечивается расширение гаммы цветовой окраски поверхностей линолеума, повышение качества продукции, улучшение дизайна восприятия структур и модификаций рисунков. 1 табл ...

КОСМЕТИЧЕСКАЯ КОМПОЗИЦИЯ ДЛЯ ОБРАБОТКИ КЕРАТИНОВЫХ ВОЛОКОН, СПОСОБ ИХ ОКРАСКИ, УПАКОВКА НАБОРА ДЛЯ ИХ ОКРАСКИ, СПОСОБЫ ОБРАБОТКИ КЕРАТИНОВЫХ ВОЛОКОН

Изобретение касается косметической композиции для кератиновых волокон, содержащей в пригодной для кератиновых волокон среде: а) фермент типа оксидредуктазы с 2 электронами в присутствии донора для данного фермента, б) анионный амфифильный полимер, содержащий гидрофильное звено и звено в виде аллильного эфира с жирной цепочкой, а также к упаковке набора для окраски волос и способам окраски, перманентной обработки или обесцвечивания волос с использованием данной композиции. Изобретение обеспечивает однородную, хроматографическую окраску, не вызывая повреждений волос. 5 с. и 27 з.п.ф-лы.

КОМПОЗИЦИЯ ДЛЯ ОКРАСКИ КЕРАТИНОВЫХ ВОЛОКОН, СПОСОБ ИХ ОКРАСКИ, НАБОР ДЛЯ ОКРАСКИ КЕРАТИНОВЫХ ВОЛОКОН

Изобретение относится к композиции для окраски кератиновых волокон, в частности волос, включающей в соответствующем для кератиновых материалов носителе: (а) фермент типа лакказы; (б) анионное поверхностно-активное вещество, выбираемое из группы, состоящей из ацилизетионатов, ацилтауратов, сульфосукцинатов особой структуры, ацилсаркозинатов особой структуры, ацилглютаматов, полиоксиалкиленированных оксикарбоновых кислот и их солей, глюкамидалкилсульфатов, алкилгалактозидуронатов, анионных производных алкилполиглюкозидов, и их смесей; (в) фиксирующийся при окислении краситель; а также к способу окраски волос, при которых используют эту композицию и к набору ее ингредиентов. Изобретение обеспечивает однородное, интенсивное и хроматичное окрашивание, не вызывающее ни значительного разрушения, ни обесцвечивания кератиновых волокон, устойчиво к агрессивным воздействиям. 3 с. и 23 з.п. ф-лы, 1 табл.

СПОСОБ ПРОИЗВОДСТВА КОНЦЕНТРАТА КРАСКИ

Изобретение относится к способу производства концентрата краски, т.е. дисперсии органического пигмента в носителе краски, в частности носителе автомобильной краски или краски для наружных работ. Предлагается способ получения концентрата краски, включающий измельчение или кислотное пастирование неочищенного фталоцианина металла для уменьшения размера его частиц с образованием модифицированного неочищенного фталоцианина металла и перемешивание смеси модифицированного неочищенного фталоцианина металла вместе с носителем краски, включающим в составе один или несколько растворителей краски, с получением концентрата краски, содержащей фталоцианин металла в виде пигмента, диспергированного в носителе краски, при этом количество фталоцианина металла составляет от 20 до 80% от веса перемешанной смеси. Сочетание компонентов в определенном соотношении позволяет получать концентраты красок, содержащие пигментный фталоцианин металла, без длительного измельчения и без применения специальных диспергирующих ...

СТАБИЛЬНЫЕ И БИОДОСТУПНЫЕ КОМПОЗИЦИИ ИЗОМЕРОВ ЛИКОПЕНА ДЛЯ КОЖИ И ВОЛОС

Изобретение относится к способу получения стабильной композиции, обогащенной цис-ликопеном (Z-изомеры). Способ проводят путем продолжительного нагревания в растворителе материала, содержащего ликопен, где температура нагревания составляет от 50 до 150°С, а время нагревания составляет от 4 до 240 часов. Изобретение позволяет получить продукт с высокой биодоступностью и стабильной изомерной композицией. 3 з.п. ф-лы, 1 ил., 4 табл.

КОМПОЗИЦИЯ ДЛЯ ОКРАСКИ КЕРАТИНОВЫХ ВОЛОКОН, СОДЕРЖАЩАЯ ПРЯМОЙ КАТИОННЫЙ КРАСИТЕЛЬ И СУБСТАНТИВНЫЙ ПОЛИМЕР, СПОСОБ ОКРАСКИ (ВАРИАНТЫ), НАБОР ДЛЯ ОКРАСКИ КЕРАТИНОВЫХ ВОЛОКОН

Изобретение относится к области косметологии, касается композиции для окраски кератиновых волокон человека, таких как волосы, содержащей в подходящей для окраски среде по крайней мере один прямой катионный краситель формулы I, где A, D, R1, R2, R3, R13 и X имеют значения, указанные в формуле изобретения, и по крайней мере один катионный или амфотерный субстантивный полимер, а также относится к способу окраски кератиновых волокон, в частности кератиновых волокон человека, таких как волосы, и к набору для окраски с несколькими отделениями. Композиция способна приводить к менее селективной и очень стойкой к различным агрессиям, которым могут подвергаться волосы, окраске. 6 с. и 23 з.п.ф-лы.

СОСТАВ САЖЕВОЙ ПАСТЫ

Состав сажевой пасты на основе минерального масла, сажи, сополимера бутадиена и пипирилена, диспергирующих добавок, обличающийся тем, что, с целью повышения укрывистости состава и его красящей силы, он содержит сажу, имеющую степень срастания частиц в агрегате в пределах 0,03 - 0,09 и дополнительно 1,2-полибутадиеновый каучук в количестве 0,2 - 2,0 мас.ч.

КОМПОЗИЦИИ КРАСКИ

... 1. Кроющая композиция содержащая а) молекулярное производное индиго; и b) волокнистую или слоистую глину; причем указанная кроющая композиция используется для окрашивания поверхностей. 2. Кроющая композиция по п.1, в которой цвет/оттенок указанной композиции определяется концентрацией указанного красителя и величиной рН указанной композиции. 3. Кроющая композиция по п.1, в которой размер частиц указанной кроющей композиции лежит в интервале величин между 0,01 и 20 мкм. 4. Кроющая композиция по п.3, в которой размер частиц указанной кроющей композиции лежит в интервале величин между 0,1 и 2 мкм. 5. Кроющая композиция по п.1, в которой указанной волокнистой глиной является палигорскитовая глина, сепиолитовая глина или смесь палигорскитовой и сепиолитовой глин. 6. Кроющая композиция по п.1, в которой указанной слоистой глиной является каолинит, бентонит, нонтронит или морденитовая глина. 7. Кроющая композиция по п.1, в которой указанным молекулярным производным индиго является диброминдиго ...

КОНЦЕНТРАТ КРАСИТЕЛЯ ДЛЯ ОКРАШИВАНИЯ ТАЛЬКОНАПОЛНЕННЫХ ПОЛИОЛЕФИНОВ И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Изобретение представляет интерес для производителей изделий из тальконаполненного полиэтилена или полипропилена. Концентрат содержит алкилантрахиновый краситель и тальконаполненный полиолефин при следующем соотношении компонентов, мас. %: алкилантрахиноновый краситель 1 - 2, тальконаполненный полиэтилен или полипропилен 99 - 98. Концентрат красителя получают в течение 10 - 30 мин при постоянном перемешивании и температуре плавления красителя в смесителе типа "пьяная бочка" за счет нанесения красителя на поверхность предварительно прогретых в течение 5 - 10 мин и температуре плавления красителя гранул тальконаполненного полиолефина. Гранулы выгружают и охлаждают до комнатной температуры.

УЛУЧШЕННЫЕ ВОДОСОДЕРЖАЩИЕ КОМПОЗИЦИИ ДЛЯ ОТБЕЛИВАНИЯ И ПОДЦВЕЧИВАНИЯ ПРИ НАНЕСЕНИИ ПОКРЫТИЙ

... 1. Водосодержащая композиция для нанесения покрытия, предназначенная для оптического усиления яркости и подцвечивания основания, содержащая:(а) по меньшей мере один оптический усилитель яркости формулы (I)в которойзаряд аниона в молекуле усилителя яркости компенсируется зарядом катиона, образованного одним или несколькими идентичными или различными катионами, выбранными из группы, состоящей из водорода, катиона щелочного металла, щелочноземельного металла; аммония; аммония, моно-, ди-, три- или тетразамещенного линейным или разветвленным С-С-алкильным радикалом; аммония, моно-, ди-, три- или тетразамещенного линейным или разветвленным С-С-гидроксиалкильным радикалом; аммония, ди-, три- или тетразамещенного смесью линейного или разветвленного C-C-алкильного радикала и линейного или разветвленного С-С-гидроксиалкильного радикала или смесей упомянутых соединений,Rимогут быть одинаковыми или различными, и каждый из них представляет собой водород, линейный или разветвленный С-С-алкил, линейный ...

КОНЦЕНТРАТ ПЕЧАТНЫХ КРАСОК И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

... 1. Концентрат краски для офсетной печати в форме покрытых оболочкой неклейких и/или непокрытых оболочкой неклейких гранул. 2. Концентрат краски для офсетной печати по п.1, отличающийся тем, что покрытие состоит из порошкообразных твердых материалов, воска или жидких материалов. 3. Концентрат краски для офсетной печати по п.1, отличающийся тем, что жидким материалом является масло. 4. Концентрат краски для офсетной печати по п.1, отличающийся тем, что покрытием является твердая оболочка. 5. Способ получения концентрата краски для офсетной печати, отличающийся тем, что концентрат краски для офсетной печати размельчается и покрывается оболочкой. 6. Способ по п.5, отличающийся тем, что покрытие осуществляется непосредственным нанесением порошкообразного твердого материала на концентрат печатной краски. 7. Способ по п.5, отличающийся тем, что порошкообразные твердые материалы сначала соединяются с жидким носителем, который затем испаряется. 8. Способ по п.5, отличающийся тем, что оболочка является ...

Способ получения пигмента

Способ получения синьки

Изобретение относится к бытовой химии, в частности к способам получения синьки для текстильных материалов. Изобретение способствует усилению эффекта подсинивания с 80 до 90 баллов и повышению его светостойкости с 60 до 80 баллов за счет того, что для получения синьки используют, мас.%: краситель кислотный фиолетовый С для чернил 1,0 - 2,1 краситель кислотный голубой О 0,45 - 0,95 соединение кальция в пересчете на окись кальция 1,4 - 2,2 соединение алюминия в пересчете на сульфат алюминия 5,0 - 8,5 оптический отбеливатель белофор КБ 0,2 - 1,0 статистический сополимер окиси этилена и окиси пропилена мол. м. 10000 (гидропол-200) 20 - 40 вода остальное. 1 табл.

Способ получения выпускной формы пигмента желтого 4К

Способ получения выпускной формы сернистых красителей

Способ получения вынускной формы прямых красителей

Способ получения содержащих серу соединений, бесцветно располагающихся на обрабатываемые волокна и другие субстраты

Установка для приготовления печатных красок для ткане-печатного производства

Препарат для крашения вискозы в массе

Способ получения концентрированного раствора азо-,метинового или азометинового катионного красителя

Синька

Способ получения поликапроамидных концентратов красителей

Изобретение относится к области технологии отделки и крашения текстильных материалов, в частности к способу получения поликапроамидных концентратов красителей для крашения поликапроамидных волокон в массе Способ позволяет повысить выход и качество целевого продукта (выход гранулята 100%-ного качества повьшен с 80-84 до 99-96%), повысить срок службы фильер с 3-5 до 10-30 сут, сократить длительность проведения процесса в 1,5 - 2,0 раза и расширить цветовую гамму за счет того, что линейный олигомер капролактама смешивают с капролактамом и красной окисью железа с размером частиц 2 - 5 мкм или смесью ее с периленовым или фталоцианиновым пигментами, или сажей при соотношении (1 - 19,7):1 соответственно при 80 - 90 С с последующей термообработкой смеси до получения полимера с относительной вязкостью 1,96-2,09 и гранулированием . 2 табл. с (Л со ел СЛ ...

Способ получения бентонитов

Пигментная суспензия

Способ получения пигментов в выпускной форме для крашения резины и пластмасс

Способ получения водонерастворимого зеленого красителя

Красящий состав

Способ печати синтетических и натуральных тканей

Красительные препараты для крашения различных материалов

Vermischbare organische Pigmente

Stabilisierung von Pyrrolopyrrolpigmenten

1,2,3,4-Tetrahydro-5-nitro-pyrimidin-Derivate.

Chiral nematische Polyester

The invention relates to liquid crystal chirally nematic polyesters with flexible chains, comprising isosorbide, isomannide, and/or isoidide units. The polyesters are not crystalline and form stable Grandjean textures which freeze on cooling below glass transition temperature. They are thus particularly suitable for use as surface coating materials.

Verwendung von Chinoxal-Derivaten als Pigmentfarbstoffe

Verfahren zur Herstellung von Pigmenten mit verbesserten coloristischen Eigenschaften

SUBSTITUIERTE PHTHALOCYANINE.

HOMOGENES HILFSMITTELGEMISCH ZUR HERSTELLUNG STAUBFREIER SCHNELLAUFLOESBARER FARBSTOFFPRAEPARATE

FARBSTOFFEINSTELLUNGEN, IHRE HERSTELLUNG UND VERWENDUNG

Konzentrierte wässrige Lösungen von 2-Phenylbenzthiazolazofarbstoffen.

PREPARATION OF PIGMENTARY FORM OF QUINACRIDONE PIGMENTS

PIGMENTHALTIGE STAMMLACK-ZUSAMMENSETZUNG

PYRIDON-DISPERSIONSFARBSTOFFE

VERFAHREN ZUR HERSTELLUNG VON FARBSTOFFGRANULATEN.

Verfahren zur Herstellung von Pigmentfarbstoffen der Isothiazolanthronreihe

Universalfarbmittelzubereitungen

BASEN ZUR KATIONISCHEN OXIDATION, DEREN ANWENDUNG ZUR OXIDATIVEN FÄRBUNG KERATINISCHER FASERN, FÄRBEMITTEL UND FÄRBUNGSVERFAHREN

VERFAHREN ZUR HERSTELLUNG VON KONZENTRIERTEN, FLUESSIGEN, SALZARMEN FAERBEPRAEPARATEN

FAERBESTABILE MODIFIKATIONEN EINES DISPERSIONSFARBSTOFFS

FAERBESTABILER MONOAZOFARBSTOFF, DESSEN HERSTELLUNG UND DESSEN VERWENDUNG

Polymorph von einem gelben Diarylidpigment

Pigmentzubereitungen, die Pigmentdispergiermittel enthält

Verwendung von kationischen Phenylazobenzol-Verbindungen zur Färbung von Keratinfasern, Zusammensetzungen unf Färbeverfahren

WASSERBASIERENDE PIGMENTPRÄPARATIONEN AUF OLIGOESTERBASIS, IHRE HERSTELLUNG UND VERWENDUNG

OXIDATIVE ZUSAMMENSETZUNG UND VERWENDUNG ZUM FÄRBEN, ZUR DAUERHAFTEN VERFORMUNG UND ZUM ENTFÄRBEN DER HAAREN

MONOAZOVERBINDUNG, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG

Nicht glänzendes Pigment

NICHT STAEUBENDE FORMSTABILE FARBSTOFFGRANULATE UND VERFAHREN ZU DEREN HERSTELLUNG

FAERBEZUBEREITUNGEN UND VERFAHREN ZUM FAERBEN VON TEXTILIEN UND AEHNLICHEN MATERIALIEN

Titanylphthalocyanin in Kristallform, Verfahren zu seiner Herstellung und elektrophotographisches Material

Im nahen Infrarot durchlaessige schwarze Azo-Pigmente

Verfahren zur Verhuetung des Staeubens pulverfoermiger organischer Farbstoffe bzw. ihrer Vorprodukte

HERSTELLUNG VON PIGMENTKONZENTRATEN

Verfahren zur Herstellung trockener Praeparate aus aromatischen Diazoverbindungen

FLUORESZIERENDE AUFHELLERPIGMENTZUSAMMENSETZUNGEN

VERFAHREN ZUR VERBESSERUNG DER PIGMENTFLUORESZENZ

KOMPOSITPIGMENT

Verfahren zur Umwandlung von rohen Polyhalogenkupferphthalocyaninen in eine Pigmentform

DISPERSIONSMITTEL

New crystal modification of a disazo condensation pigment

PHTHALOCYANINE PIGMENTS

... 1,213,960. Phthalocyanine pigment compositions. E.I. DU PONT DE NEMOURS & CO. 26 Sept., 1969 [1 Oct., 1968], No. 47499/69. Heading C4A. [Also in Division C3] A pigment composition comprises a #-phase phthalocyanine pigment and 0À1-50% by wt., based on the phthalocyanine, of the reaction product of phthalonitrile or a substituted phthalonitrile, an inorganic copper compound, and, per mol. of the phthalonitrile, 0À05-0À6 mol. of pyridine, quinoline, picoline or i-quinoline. The reaction product is prepared by mixing the finely-divided reactants, usually in the proportions 4 mols. phthalonitrile, 1 mol. copper compound e.g. cupric chloride, and 0À2-2À4 mols. nitrogen base, and optionally in the presence of an inert solvent, and heating to 180- 250‹ C. until a blue solid is formed; the product in powder, press-cake or sulphuric acid solution form is mixed with a powder, press-cake or slurry of the #-phase chlorine-free phthalocyanine which may be metal free, or the copper (preferred), iron ...

COLOURING PREPARATIONS

... 1363623 Colour-stable edible colouring material F HOFFMANN-LA ROCHE & CO AG 28 June 1973 [29 June 1972] 30821/73 Headings A2B and A2D A process for the manufacture of a colourstable carotene- or carotenoid-containing plant product comprises dispersing carotene- or carotenoid-containing product, isolated from plants, with a film-forming colloid and subsequently drying. The plant product may be isolated from higher plants such as carrots, tomatoes and maize. Alternatively, lower plants such as fungi, algae and vegetable microorganisms may be used as a source of said product. The film-forming colloid is preferably gelatine. The dispersed product may be spray-dried or spraygelled and dried.

DYESTUFFS

... 1346672 Agglomeration of powdered dyestuffs L J POINTING & SON Ltd 27 Nov 1972 [26 Aug 1971] 40017/71 Heading C4P Powdered dyestuffs especially food dyestuffs are agglomerated into coherent granules, pellets of flakes by feeding the powdered dye and spraying water into a cylindrical pan which is inclined and rotated about its longitudinal axis and has adjustable scrapers to prevent buildup of the dye in the pan. The pan is preferably inclined at 35 degrees to the vertical, the speed of rotation being 15 R.P.M. and feed rate optimally being 46 Kg/hr. Tartragine, Sunset Yellow FCT, Poncean 4R and Amoranth are examples of the dyes treated.

Manufacture of strong-dyeing ª‰-copper phthalocyanine

Polyvinyl chloride, a urea-formaldehyde moulding powder, and acetyl cellulose are coloured by kneading with a dispersible b -copper phthalocyanine, obtained by grinding crude copper phthalocyanine with a solvent-removable substratum and such a quantity of an organic liquid that the mixture remains in powder form during grinding (see Group IV (c)). The composition may also contain inorganic pigments, e.g. titanium white.ALSO:Dispersible b -copper phthalocyanine is obtained by grinding crude copper phthalocyanine with a solvent - removable substratum in presence of a non-ionogenic organic liquid (i.e. a liquid having a dissociation constant less than that of water) boiling below 200 DEG C. until a strongly colouring pigment is formed, the proportion of non-ionogenic organic liquid being at least 2 per cent (based on the weight of mixture) but such that the mixture remains in powder-form during grinding, the substratum being then removed by a solvent, and the pigment dried, if desired. Substrata ...

PRINTING INKS FOR TRANSFER PRINTING

... 1428073 Transfer printing inks BAYER AG 17 May 1974 [18 May 1973] 22020/74 Heading D1B Printing inks used in the preparation of temporary supports for transfer printing on textile material capable of being dyed with a basic dye contain (a) a carbinol base of a cationic dye which can be sublimed at 160‹- 240‹C being of general formula: in which A, B and D independantly represent an aryl or heterocyclic radical, or B denotes a hydrogen atom or B and/or M conjointly with A and E in combination with D respectively forms the remaining members of a heterocyclic ring system, E is a direct bond or a =N-alkyl group, L is a metaine group which is optionally substituted by an alkyl, cyano or alkoxycarbonyl group or represents a nitrogen atom, m is 0 or 1, M has the same meaning as L (b) an anhydrous neutral organic solvent, and (c) a neutral resin which is soluble in the solvent. The preferred solvents are unsubstituted hydrocarbons, chlorinated hydrocarbons, alcohols, ketones, ether or esters. Substrates ...

PRODUCTION OF EASILY DISPERSIBLE HIGH TINCTORIAL STRENGTH PERYLENE-3,4,9-10-TETRA-CARBOXYLIC ACID DIIMIDES

... 1460054 Preparing pigments BASF AG 2 April 1974 [3 April 1973] 14481/74 Heading C4P Perylene 3,4,9,10-tetracarboxylic acid diimide and its N,N1-di-C 1 -C 4 -alkyl derivatives are prepared in pigmentary form by grinding crude pigment optionally in presence of a grinding aid to provide a ground pigment comprising particle agglomerates whose primary particles have a mean size of not more than 0À05 micron, recrystallizing the ground material by treating at up to 160‹ C. in (a) an aliphatic or aromatic primary amine having 2 to 8 carbon atoms, (b) a saturated or unsaturated mono- or binuclear heterocyclic base containing basic nitrogen as a ring member, (c) a water-soluble aliphatic carbonamide (M.W. 45-160) or mixtures of (a), (b) and (c) or (d) 75-84% H 2 SO 4 and then separating the pigment from the treatment medium. The amount of (a), (b) or (c), or mixtures thereof, is preferably 0À5-5À0 times the weight of crude pigment and the amount of (d) is 1À5-10À0 times the weight of crude ...

Improved Water-Soluble Azo Dyestuffs and their Preparation

... 1,170,310. Colouring matter, sugar preparations. ALLIED C H E M I C A L CORP. 1 Dec., 1967 fl Dec., 1966], No. 54875/67. Heading A2B. [Also in Division C4] Drv water-soluble azo dyestuffs, e.g. 1-p-sulpho-phenzlazo-2-naphthol-6-sulphuric acid, in crystal form and having an average length (i.e. the arithmetic mean value of the length of the crystals measured along their longest axis.) greater than 40 microns e.g. 40 to 120 microns, are crushed, sieved through a 200 U.S. Standard mesh sieve (aperture 74 microns) and blended with granulated sugar.

SOLID PREPARATION AND THEIR APPLICATION TO THE DYEING AND OPTICAL BRIGHTENING OF TEXTILE MATERIALS BY THE EXTRACTION PROCESS

... 1415526 Solid preparations for textile dyeing and brightening CIBA-GEIGY AG 28 Sept 1972 [30 Sept 1971] 44879/72 Headings D1B and DIP Solid preparations used in textile finishing comprise (a) 9 to 75% by weight of an active substance, i.e. dyestuffs, and optical brighteners, (b) 90 to 15% by weight of an inert carrier substance which is insoluble in both aqueous and organic liquors, (c) 0 to 10% by weight of an adhesive. Inert carriers include kieselguhr powder, calcium carbonate powder, wood sawdust, asbestos, and plastics, preferred adhesives being mineral oils, oleic acid, gum arabic, carboxymethylcellulose, glycerin, ethylene glycol and sorbitan fatty acid esters. The preparations are obtained by homogenously mixing together the ingredients as above and optionally drying the product. The products are used to dye or brighten polyester polyamide, polyacrylonitrile and modified polypropylene by the extraction process. Mono-azo-, dis-azo and anthraquinone disperse dyes may be employed, ...

Anthrapyridone compound or salt thereof, magenta ink composition containing the anthrapyridone compound, and colored article

Manufacture of pigment compositions

... 1,149,898. Pigment-resin compositions; modified rosins. IMPERIAL CHEMICAL INDUSTRIES Ltd. 18 Aug., 1966 [17 Sept., 1965(2)], Nos. 39721/65 and 39722/65. Headings C3P and C3R. [Also in Division C4] Compositions for pigmenting organic media are prepared by salt-milling a pigment with at least 5% by weight, based on the pigment weight, of a solid resinous substance soluble in the medium to at least 5% by weight, and dissolving out the salt. Preferably the composition comprises at least 60% by weight pigment. The pigment and resin are salt-milled with e.g. NaCl Na 2 CO 3 , Na 2 SO 4 or CaCl 2 to a pigment size <2 Á, optionally in the presence of an organic liquid. During or after dissolution of the salt the resin may be softened and re-hardened. The resin may be a modified rosin or a polymer of a vinyl alkyl benzene. Examples 1, 7 and 8 relate to compositions comprising an ester of wood rosin together with lin-quinacridone (Example 1) or copper phthalocyanine (Examples 7, 8). Example 9 discloses ...

Dyeing composition for fibrous materials

A composition for dyeing fibrous material, such as textile fibres or hair, comprises a dye system and a liquid dispersing vehicle therefor, and includes N-acetyl ethanolamine, generally in an amount of 1 to 25% of the total weight of the dye composition, to promote dyeing of said fibrous material. Particularly useful compositions comprise oxidative or basic dyes or heavy metal salts with a sulphur containing reducing compound, eg a complex of bismuth, citrate and triethanolamine and sulphur.

Colouring composition for colouring polyvinylchloride

Coloring composition for colouring polyvinylchloride comprising at least 40% by weight of coloring pigment and at most 60% by weight of glycerolmonostearate. The composition may be added directly to extruder for extruding polyvinylchloride, the amount of glycerolmonostearate in the moulded article as obtained being restricted to at most 5%.

Improvements in and relating to the Preparation of Colouring Bodies for use in Food, Pharmaceutical and other Preparations.

... 112,886. Boake, Roberts, & Co., A., and Rendle, T. May 17, 1917. Materials for making beverages .-A colouring preparation in solid or powder form for foods, pharmaceutical and other preparations is made by dissolving a dye or other colouring body in a crystalline salt, such as sodium thiosulphate, which has been liquified by heating. The salt is then allowed to cool and set. Any other salt which melts in its water of crystallization may be used, e.g. sodium carbonate, sodium sulphate, sodium phosphate, magnesium sulphate, or alum.

METHOD FOR STABILIZING ORGANIC MATERIALS INCLUDING DYE IMAGES TO LIGHT

ORGANIC COMPOUNDS

Process for the preparation of pigmentary copper phthalocyanine

Converting crude copper phthalocyanine (CPC) to pigmentary copper phthalocyanine (CPC) by two-stage milling with 5-400% by weight of alum and 0.6-3.7 cc of organic liquid per 100 grams of CPC in the first stage and 1.2-9.8 cc of organic liquid per 100 grams of CPC in the second stage with the total organic liquid being 4-13 cc per 100 grams CPC.

PROCESS FOR THE PREPARATION OF PIGMENTARY COPPER PHTHALOCYANINE

Conversion of crude flavanthrone to a transparent pigmentary state

Crude flavanthrone is converted into a transparent, easily dispersible pigmentary form giving greenish colorations by converting it into the leuco compound and oxidizing the leuco compound in aqueous suspension by means of an oxidizing agent such as molecular oxygen or hydrogen peroxide whilst exposing it to shearing forces, e.g. by milling in the presence of a grinding medium. A pigmentary form of flavanthrone is precipitated directly or upon acidification and is recovered. The oxidation can be carried out in the presence of a surfactant.

Water-insoluble monoazo-dyestuffs and processes for preparing them

The invention comprises water-insoluble monoazo dyes of formula wherein the group R-NH-SO2 is in meta or para position to the azo group, R is a hydrogen atom, an alkyl, cycloalkyl, hydroxyalkyl, alkenyl or acetyl radical or an aryl radical which may be substituted by non-ionic groups and the benzene nuclei B and C may be substituted by alkyl or alkoxy groups or halogen atoms. The dyes are prepared by coupling a diazotized 3- or 4-sulphonamido-aniline in substance or on the fibre (see Divisions D1-D2) with a 5-(21:31-hydroxynaphthoylamino)-benzimidazolon preferably in the presence of a surface active agent. The physical characteristics of the dye may be improved by heating an aqueous paste of the dye or by treating the paste or dry dye with a solvent such as pyridine dimethylformamide, N-methylacetamide and o-dichlorobenzene. The dyes may be used to colour rubber, natural and synthetic resins, particularly polyvinyl chloride in red and brown shades. Many examples are ...

ORGANIC COMPOUNDS

DIS-AZO COMPOUND

Solvent stable phthalocyanine pigments

The invention consists in a finely divided, tinctorially strong, halogen free, sulphuric acid stable, crystalline phthalocyanine pigment, the particles of which are uncoated and on contact with a "crystallizing solvent" (i.e. one which induces crystal growth in ordinary forms of phthalocyanine pigments and selected from aromatic hydrocarbons, esters, ethers and alcohols which are liquid at air temperature) will show an average pigment particle size of less than 2 microns. Such pigments are obtainable by transforming an acid pasted phthalocyanine pigment into a coarsely crystalline form, subjecting the latter to grinding in the presence of a grinding aid (i.e. an inert material of which the particles are harder than those of the pigment and which may subsequently be removed by leaching with water, as in the case of salt or soluble carbohydrates, or by acid leaching, as in the case of calcium carbonate, or which is capable of acting as a pigment extender and therefore need not be removed ...

Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

An electrophotographic photosensitive member is provided in which both a long-term potential variation and a short-term potential variation are suppressed, a method for producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member are also provided. An intermediate layer of the electrophotographic photosensitive member is formed by applying a coating liquid for the intermediate layer, which contains an organic resin and a rutile-type acidic titania sol containing tin, and drying the applied coating liquid.

Methods for forming dyed microspheres and populations of dyed microspheres

Various methods for forming dyed microspheres are provided. One method includes activating a chemical structure coupled to a dye using heat or light to form a reaction intermediate in the presence of a microsphere. The reaction intermediate covalently attaches to a polymer of the microsphere thereby coupling the dye to the polymer and forming the dyed microsphere. Additional methods are provided for forming a dyed microsphere coupled to a molecule. These methods include dyeing the microspheres as described above in addition to synthesizing the molecule on an outer surface of the dyed microspheres. A population of dyed microspheres is also provided. Each of the dyed microspheres of the population includes a dye attached to a polymer of each of the dyed microspheres by a chemical structure. A coefficient of variation in dye characteristics of the population of dyed microspheres attributable to the dye is less than about 10%.

Color developing colorless primer

The intense purple dye normally found in purple primers for use in the adhesive bonding of plastics is replaced with a leuco dye capable developing a visually intense color when activated through contact with the particular plastic being bonded or a complementary solvent cement.

Bis(enylaryl)arylamine charge transport layer containing photoconductors

A photoconductor containing an optional supporting substrate layer, a photogenerating layer, a bis(enylaryl)arylamine containing charge transport layer, and a top overcoat layer, which includes charge transport compounds and melamine resins.

Non-aqueous pigment dispersions using dispersion synergists

Non-aqueous pigment dispersions exhibit improved dispersion quality and/or stability for a specific selection of naphthol AS pigments and azo pigments by using specific quinacridone dispersion synergists. The non-aqueous pigment dispersions can be advantageously used in inkjet inks inkjet printing methods.

Preparing and dispersing surface-modified colour pigments

A method of preparing a pigment includes, in order, the steps of: a) providing a pigment containing a nucleophile group under basic conditions; b) reacting the pigment with a compound according to Formula (I): wherein, X is a halogen atom or a tosylate group, and R1 and R2 independently represent an alkyl group; and c) hydrolyzing the R1-O bond and/or the R2-O bond. The obtained pigments can be used in non-aqueous pigment dispersions.

2,5-di(methoxyanilino) terephthalic acid polymorphs and quinacridones realized therefrom2,5-di(methoxyanilino) terephthalic acid polymorphs and quinacridones realized therefrom

2,5-di(p-methoxyanilino)terephthalic acid crystal types I and II are made by controlling the pH during the recovery of the oxidized product of the condensation of dimethylsuccinyl succinate with p-methoxyaniline. The resulting 2,5-di(p-methoxyanilino)-terephthalic acid can be converted into 2,9-dimethoxyquinacridone or a solid solution thereof having controlled characteristics.

Pigment particle, ink, ink cartridge, and ink jet recording method

Provided is a pigment particle suitable for an ink capable of recording an image that is excellent in color developability and lightfastness, and has a yellow hue. The pigment particle is a pigment particle having a structure represented by the following formula (1), in which a maximum absorption wavelength of an absorption spectrum in a wavelength region of 200 nm or more and 800 nm or less is present in a range of 340 nm or more and 360 nm or less.

Novel quinacridone pigment composition, and method for producing quinacridone microparticles

A quinacridone pigment composition contains quinacridone microparticles which have durability and spectral characteristics equivalent to those required for a magenta color of a dye. The quinacridone pigment composition contains at least one type of quinacridone microparticles, wherein a difference between the maximum transmittance (Tmax1) and the minimum transmittance (Tmin) is 80% or more in a transmission spectrum at 350 nm to 800 nm and the difference between the maximum and minimum transmittance is 30% or more in a transmission spectrum at 350 nm to 580 nm, or the difference between the maximum transmittance (Tmax1) and the minimum transmittance (Tmin) is 80% or more in a transmission spectrum at 350 nm to 800 nm and the wavelength (λmax) at which the transmittance in a transmission spectrum at 350 nm to 500 nm becomes maximum is less than 430 nm. A method is provided for producing the quinacridone microparticles.

Liquid Dye Formulations in Non-petroleum Based Solvent Systems

An environment friendly writing instrument that includes a hollow body, an ink reservoir at the first end of the hollow body to hold ink, and a felt tip which extends from the reservoir to the second end of the hollow body, and a dye formulation comprising (I) a vegetable oil ester in an amount of between about 5 and 80 percent by weight of the dye formulation, (ii) a liquid solvent dye present in the dye formulation in an amount sufficient to impart a predetermined color to the dye formulation and (iii) sulfur in an amount of less than about 10 ppm, and wherein the ink is formed from the dye formulation. 1. An environment friendly writing instrument comprising:an ink pen comprising (I) a hollow body;(ii) an ink reservoir at the first end of the hollow body to hold ink; and(iii) a felt tip which extends from the reservoir to the second end of the hollow body; anda dye formulation comprising (I) a vegetable oil ester in an amount of between about 5 and 80 percent by weight of the dye formulation, (ii) a liquid solvent dye present in said dye formulation in an amount sufficient to impart a predetermined color to the dye formulation and (iii) sulfur in an amount of less than about 10 ppm;wherein said ink is formed from said dye formulation.2. A writing instrument according to claim 1 , wherein said vegetable oil ester is a methyl or ethyl ester.3. A writing instrument according to claim 1 , wherein said liquid solvent dye is selected from the group consisting of CI Solvent Red claim 1 , CI Solvent Red 2 claim 1 , CI Solvent Red 4 claim 1 , CI Solvent Red 68 claim 1 , CI Solvent Red 161 claim 1 , CI Solvent Red 164 claim 1 , CI Solvent Red 175 claim 1 , CI Solvent Red 208 claim 1 , CI Solvent Red 165 claim 1 , CI Solvent Blue claim 1 , CI Solvent Blue 4 claim 1 , CI Solvent Blue 79 claim 1 , CI Solvent Blue 98 claim 1 , CI Solvent Blue 99 claim 1 , CI Solvent Blue 129 claim 1 , CI Solvent Orange 98 claim 1 , CI Solvent Yellow claim 1 , CI Solvent Yellow 3 claim 1 , CI ...

SPRAY-DRIED DYE COMPOSITIONS, PROCESS FOR THE PRODUCTION AND USE THEREOF

The invention relates to spray-dried, washfast dye compositions, preferably in the form of pigment powders, having a bleeding rate of ≦0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses. 1. Spray-dried dye compositions consisting of water-soluble functional dyes incorporated in an organosilane-based silicon dioxide matrix with bleeding rates of ≦0.5%.2. The spray-dried dye compositions according to claim 1 , produced by the following steps:a) producing a silicon dioxide sol by weak acid hydrolysis of alkoxysi-lanes (organosilanes) in an aqueous organic solvent mixture at a pH of 5 to 6.5;b) adding a water-soluble dye;{'sub': 'x', 'c) spray-drying the dyed sol to cause condensation of the SiOsol particles and encapsulation of the dye molecules;'}d) optionally subsequent temperature treatment for several hours at temperatures above 50° C. over a time period of at least 2 hours.3. The dye compositions according to claim 1 , wherein the incorporated dyes are stable to pH and/or ascorbic acid.4. The dye compositions according to claim 1 , wherein the particle size thereof is 0.01 to 100 m.5. A process for the production of spray-dried dye compositions consisting of water-soluble functional dyes incorporated in an organosilane-based silicon dioxide matrix with bleeding rates of ≦0.5% claim 1 , comprising the steps ofa) producing a silicon dioxide sol by weak acid hydrolysis of alkoxysi-lanes (organosilanes) in an aqueous organic solvent mixture at a pH of 5 to 6.5;b) adding a water-soluble dye;c) gelling by spray-drying the dyed sol.6. The process according to ...

Method for preparation of aqueous nano-pigment dispersion

Embodiments of the invention disclose a method for preparing an aqueous nano-pigment dispersion. The method comprises mixing 2.5 wt %˜40 wt % styrene with polymerization inhibitors removed by evaporation, 2.5 wt %˜20 wt % acrylate monomer, 0.25 wt %˜5 wt % crosslinking monomer, 0.05 wt %˜0.5 wt % emulsification adjuvant, and 0.05 wt %˜0.5 wt % oil soluble initiator, adding 0.25 wt %˜2.5 wt % organic pigments to be dispersed to form an oil phase solution after dissolution; dissolving 0.05 wt %˜2 wt % emulsifier and 0.05 wt %˜2 wt % buffer in 40 wt % wt˜90 wt % deionized water to form an aqueous solution; mixing the oil phase solution and the aqueous phase solution, and then homogenizing them into fine emulsion; transferring the fine emulsion into a reactor; heating to increase the temperature to initiate the polymerization; after reacting, adding an alkaline soluble monomer; after continuing the reaction, cooling the temperature to the room temperature; adjusting pH to weak alkaline; and filtering to obtain the aqueous nano-pigment dispersion.

MATERIALS FOR DISSOLUTION-CONTROLLED RELEASE

A controlled release substance containing organosilica sol-gels is provided. The organosilica sol-gels may be further functionalized with amino groups to control the rate of release of encapsulated molecules. The controlled release substance may be utilized as a controlled release fabric care substance, including at least one active fabric care substance in a host matrix comprising an organosilica gel. The fabric care substance may be at least one of a protein, enzyme, fragrance, anti-static agent, fabric softener, dye, or detergent, and may be in bead form, particle form or powder form. 1. A controlled release fabric care substance comprising at least one active fabric care substance in a host matrix comprising an organosilica gel.2. The controlled release fabric care substance according to claim 1 , wherein the fabric care substance is at least one of a protein claim 1 , enzyme claim 1 , fragrance claim 1 , anti-static agent claim 1 , fabric softener claim 1 , dye claim 1 , or detergent.3. The controlled release fabric care substance according to wherein the substance is in bead form.4. The controlled release fabric care substance according to wherein the substance is in particle form.5. The controlled release fabric care substance according to wherein the substance is in powder form.6. The controlled release fabric care substance according to wherein the substance is in tablet form.7. The controlled release fabric care substance according to wherein the organosilica gel is functionalized with amino groups.8. A controlled release personal care product comprising at least one active personal care substance in a host matrix comprising an organosilica gel.9. The controlled release fabric care substance according to claim 8 , wherein the personal care substance is at least one of a protein claim 8 , enzyme claim 8 , fragrance claim 8 , emollient claim 8 , moisturizer claim 8 , tanning agent claim 8 , uv protectant claim 8 , or conditioner.10. The controlled release ...

Method of producing gallium phthalocyanine crystal and method of producing electrophotographic photosensitive member using the method of producing gallium phthalocyanine crystal

Provided is a method of producing an electrophotographic photosensitive member having improved sensitivity and capable of outputting an image having less image defects due to a ghost phenomenon not only under a normal-temperature, normal-humidity environment but also under a low-temperature, low-humidity environment as a particularly severe condition. The method of producing a gallium phthalocyanine crystal includes subjecting a gallium phthalocyanine and a specific amine compound, which are added to a solvent, to a milling treatment to perform crystal transformation of the gallium phthalocyanine. In addition, the gallium phthalocyanine crystal is used in the photosensitive layer of the electrophotographic photosensitive member.

Method for producing gardenia blue pigment

Provided is a method for producing a gardenia blue pigment resistant to discoloration which may occur in colored sugar-coated food or pharmaceutical products. The method for producing such a gardenia blue pigment comprises performing membrane separation using a membrane (for example, an ultrafiltration membrane) with a molecular weight cut-off of 3000 Da or larger for removal of low-molecular compounds from a solution resulting from β-glucosidase treatment of an iridoid glycoside (for example, geniposide etc.) in the presence of a protein hydrolysate (for example, a casein protein hydrolysate), the iridoid glycoside being obtainable by extraction from fruits of Gardenia jasminoides (Rubiaceae). Also provided is a sugar-coated food or pharmaceutical product (for example, a sugar-coated tablet, a sugar-coated chewing gum, etc.) having a sugar-coating layer colored with the gardenia blue pigment obtainable by the above-described method.

Pigment dispersion and colorant formulation

A pigment dispersion for use in preparing liquid colorant formulations is based on a blend of fatty acids for use in a point of sale apparatus for charging a pre-pressurized package containing an initial paint formulation having a neutral or clear color to arrive at a matched or selected final color and sold directly to the end user.

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

An electrophotographic photoreceptor includes a conductive support, and an undercoat layer, a charge generation layer, and a charge transport layer that are provided in this order on the conductive support, wherein the undercoat layer includes at least metallic oxide particles, a reactive acceptor substance including an anthraquinone structure expressed by the following Formula 1, and a binder resin, the charge generation layer includes hydroxygallium phthalocyanine as a charge generation material, and a reflectance of incident light having a wavelength of 780 nm on a surface of the charge generation layer when the charge transport layer is removed is 17% or greater: wherein the anthraquinone structure expressed by Formula 1 is bonded to another structure at a position of *, and thus forms the reactive acceptor substance, and in Formula 1, n1 represents an integer of 1 to 7.

P-terphenyl compound mixture and electrophotographic photoreceptors made by using the same

An object of the invention is to provide a method of making a p-terphenyl compound mixture which includes two symmetric p-terphenyl compounds respectively represented by formula (1) and formula (2) and an asymmetric p-terphenyl compound represented by formula (3)

COLORANTS FOR METALORGANIC COMPOUNDS AND THEIR APPLICATION IN ELECTRONIC DISPLAY TECHNOLOGY

Colored metalorganic fluids for electrowetting, electrofluidic, and electrophoretic devices are disclosed. The colored fluid can include a polar or nonpolar solvent including silicon and/or germanium and a modified, oligomeric, or polymeric dye. The dye includes a chromophore attached to a low molecular weight group with molecular weight 10 to 800 or an oligomeric or polymeric chain, which includes silicon and/or germanium. The dye has a molecular weight from 100 to 100,000, solubility in the solvent of at least 5% wt at 25° C., and a dynamic viscosity from 0.5 cPs to 2,000 cPs at 25° C. If the solvent is polar, the fluid has a conductivity from about 0.01 pS/cm to 3000 pS/cm, a surface tension of 15 dynes/cm to 90 dynes/cm at 25° C., and a total content of monatomic ions with radii smaller than 2.0 A and polyatomic ions with radii smaller than 1.45 A less than 500 ppm. 1. A colored metalorganic fluid comprising:at least one polar or non-polar solvent including silicon and/or germanium and at least one modified, oligomeric, or polymeric dye in the solvent, the dye having at least one chromophore attached to a low molecular weight group with molecular weight 10 to 800 or an oligomeric or polymeric chain, which includes silicon and/or germanium, the dye further having a total molecular weight from 100 to 100,000, solubility in the solvent of at least 5% by wt at 25° C., and a dynamic viscosity from 0.1 cPs to 2,000 cPs at 25° C., and{'sup': '−3', 'wherein, if the solvent is the polar solvent, the colored metalorganic fluid has a conductivity from about 0.01 μS/cm to 3000 μS/cm, a surface tension of 15 dynes/cm to 90 dynes/cm at 25° C., and a total content of monatomic ions with radii smaller than 2.0 Å and polyatomic ions with radii smaller than 1.45 Å less than 500 ppm, and, if the solvent is the non-polar solvent, the colored metalorganic fluid has a conductivity less than 5×10μS/cm and a surface tension of 10 dynes/cm to 40 dynes/cm at 25° C.'}2. The colored ...

Mill base composition and uv curable ink composition comprising same

A mill base composition includes a compound comprising a divinyl ester of a dicarboxylic acid, a dispersing agent, and a pigment. The divinyl ester of the carboxylic acid includes from 2 to about 8 carbon atoms. The mill base composition is subjected to milling with milling beads to produce a milled mill base composition that functions as a pigment concentrate that may be added to an ink vehicle to form an ink composition suitable for use in inkjet ink devices. The milled mill base composition is particularly suited for UV curable ink compositions. A UV curable ink composition includes the pigment concentrate, one or more UV curable monomers, and one or more UV initiators.

Silica nanoparticle for diagnostic imaging, method for producing the same, and biosubstance labeling agent

A silica nanoparticle for diagnostic imaging that may be capable of use for X-ray CT, fluorescent imaging, or the like, and have high emission intensity. A method for producing such a silica nanoparticle for diagnostic imaging is provided. Also, a biosubstance labeling agent using the silica nanoparticle for diagnostic imaging is provided. The silica nanoparticle for diagnostic imaging encapsulates an organic fluorescent dye and a metal complex, wherein a ligand of the metal complex form a covalent bond with constituent molecules of the silica nanoparticle.

METHOD FOR DISSOLVING A PHTHALOCYANINE COMPOUND IN WATER WITH USE OF G-QUADRUPLEX

The present invention provides a method for obtaining an aqueous solution where divalent metal cations, a phthalocyanine compound modified with an anionic functional group, and G-quadruplex are dissolved, the method comprising step of: 1. A method for obtaining an aqueous solution where divalent metal cations , a phthalocyanine compound modified with an anionic functional group , and G-quadruplex are dissolved , the method comprising step of:(a) mixing the divalent metal cations, the phthalocyanine compound modified with the anionic functional group, and the G-quadruplex into water so as to dissolve the phthalocyanine compound in the water.2. The method according to claim 1 , whereinin the step (a), the divalent metal cations, the phthalocyanine compound modified with an anionic functional group, and the G-quadruplex are mixed at the same time.3. The method according to claim 1 , whereinthe anionic functional group is at least one selected from the group consisting of a carboxyl group, a metal salt of the carboxyl group, a sulfo group, and a metal salt of the sulfo group.4. The method according to claim 1 , whereinthe phthalocyanine compound contains copper, zinc, cobalt, or nickel as a coordination metal.5. The method according to claim 1 , whereinthe phthalocyanine compound contains no coordination metal.6. The method according to claim 1 , whereinthe divalent metal cation is at least one selected from the group consisting of magnesium ion, nickel ion, cobalt ion (II), copper ion, zinc ion, and iron ion (II).7. The method according to claim 1 , whereinthe G-quadruplex is formed of four DNAs each consisting of 5′−GGGTTAGGGTTAGGGTTAGGG-3′ (SEQ ID:01), 5′-TGGGGT-3′ (SEQ ID:02), or 5′−GGGTTTGGG-3′ (SEQ ID:03).8. A method for obtaining an aqueous solution where divalent metal cations claim 1 , a phthalocyanine compound modified with an anionic functional group claim 1 , and G-quadruplex are dissolved claim 1 , the method comprising step of:(b) mixing the G-quadruplex ...

Copper Containing Infrared Reflective Pigment Compositions

Pigment compositions are described that advantageously increase total solar reflectance. Also described are methods of making pigment compositions. The pigment compositions can contain copper oxide; copper antimony oxides, copper bismuth oxides, or combinations thereof; and alkaline earth metal oxides, early-transition metal oxides, post-transition metal oxides, metalloid (semi-metal) oxides, rare-earth metal oxides, or combinations thereof. 1. A colored pigment composition , comprising:copper oxides at about 50 wt % or more and about 98 wt % or less of the pigment composition;copper antimony oxides, copper bismuth oxides, or combinations thereof at about 0.2 wt % or more and about 20 wt % or less of the pigment composition; andalkaline earth metal oxides, early-transition metal oxides, post-transition metal oxides, metalloid oxides, rare-earth metal oxides, or combinations thereof at about 0.2 wt % or more and about 20 wt % or less of the pigment composition.2. The pigment composition of claim 1 , wherein the pigment composition exhibits a total solar reflectance of about 15% or more.3. The pigment composition of claim 1 , wherein the pigment composition exhibits an average reflection of about 20% or less for light having a wavelength between 380 nm and 780 nm claim 1 , and the pigment composition exhibits an average reflection of about 20% or more for light having a wavelength between 780 nm and 2 claim 1 ,500 nm.4. The pigment composition of claim 1 , wherein the pigment composition exhibits an average reflection of about 30% or more for light having a wavelength between 1 claim 1 ,300 and 1 claim 1 ,600 nm.5. The pigment composition of claim 1 , wherein the pigment composition is in a powder form having an average particle size of about 0.2 μm or more and about 15 μm or less.6. The pigment composition of claim 1 , wherein the early-transition metal oxides claim 1 , the post-transition metal oxides claim 1 , the metalloid oxides claim 1 , the alkaline earth metal ...

Pigment dispersion and method for preparing same

A pigment dispersion and a method for preparing the same are provided. The pigment dispersion comprises the following components in the following mass percentage: 10%˜20% pigment, 1.5%˜12% dispersant, 0.75%˜7.5% binder resin, 58.5%˜87.3% solvent and 0.45%˜2% nonionic surfactant, based on the total mass of the pigment dispersion. The pigment dispersion is improved in stability, and is applicable to a colored filter.

CELLULOSE-BASED ORGANIC PIGMENTS

A pigment comprising dyed crystalline cellulose particles comprising a crystalline cellulose core having a surface charge, optionally one or more polyelectrolyte layers with alternating charges adsorbed on top of each other on the crystalline cellulose core, the polyelectrolyte layer closest to the core having a charge opposite the surface charge of the core, and at least one organic dye having a charge is provided. 2. The pigment of claim 1 , wherein the charge of the organic dye is opposite the surface charge of the crystalline cellulose core and the organic dye is directly adsorbed on the surface of the crystalline cellulose core without intervening polyelectrolyte layers.3. (canceled)4. (canceled)5. The pigment of claim 1 , wherein the charge of the organic dye is opposite the surface charge of the crystalline cellulose core and the organic dye is adsorbed on an even number of polyelectrolyte layers with alternating charges adsorbed on top of each other on the crystalline cellulose core claim 1 , the polyelectrolyte layer closest to the core having a charge opposite the surface charge of the core.6. (canceled)7. (canceled)8. (canceled)9. The pigment of claim 1 , wherein the charge of the organic dye is the same as the surface charge of the crystalline cellulose core and the organic dye is adsorbed on an odd number of polyelectrolyte layers with alternating charges adsorbed on top of each other on the crystalline cellulose core claim 1 , the polyelectrolyte layer closest to the core having a charge opposite the surface charge of the core.10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. The pigment of claim 1 , wherein the crystalline cellulose is positively-charged microcrystalline cellulose that is microcrystalline cellulose modified with glycidyltrimethylammonium chloride functional groups claim 1 , or with adsorbed cationic amylopectin.15. (canceled)16. The pigment of claim 1 , wherein the crystalline cellulose is negatively-charged microcrystalline ...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS

The invention provides an image forming apparatus and an electrophotographic photoreceptor, comprising: a conductive support; and at least a charge generation layer and a charge transport layer on the conductive support, wherein said charge generation layer contains a hydroxygallium phthalocyanine synthesized using a halogen solvent, said charge transport layer contains a polyester resin having a specific structural unit, and said charge transport layer is formed using a non-halogen solvent. 17-: (canceled)9. The method for producing an electrophotographic photoreceptor according to claim 8 , wherein the non-halogen aromatic hydrocarbon is toluene or xylene.10. The method for producing an electrophotographic photoreceptor according to claim 8 , wherein the halogen solvent is α-chloronaphthalene.11. The method for producing an electrophotographic photoreceptor according to claim 8 , wherein the gallium phthalocyanine is a II-type chlorogallium phthalocyanine claim 8 , a hydroxygallium phthalocyanine having a strongest peak at 28.1° claim 8 , a hydroxygallium phthalocyanine having no peak at 26.2° and having a clear peak at 28.1° claim 8 , wherein the half-value width W of 25.9° is 0.1°≦W≦0.4° claim 8 , or a G-type μ-oxo-gallium phthalocyanine dimer.12. The method for producing an electrophotographic photoreceptor according to claim 8 , wherein the gallium phthalocyanine is a V-type hydroxygallium phthalocyanine.13. The method for producing an electrophotographic photoreceptor according to claim 8 , wherein the conductive support comprises a surface on which an electrically conductive material is deposited or coated.14. The method for producing an electrophotographic photoreceptor according to claim 13 , wherein electrically conductive material comprises aluminum claim 13 , nickel or indium tin oxide (ITO).15. The method for producing an electrophotographic photoreceptor according to claim 8 , wherein the first coating solution further comprises at least one binder ...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer contains at least a charge generating material, a hole transport material, and a binder resin. The hole transport material is a compound represented by the following general formula (1). The binder resin is a resin represented by the following general formula (2). In general formula (1), Rand Reach independently represent an alkyl group, an aryl group, an aralkyl group, or an alkoxy group; and Rand Reach independently represent an alkyl group, or an alkoxy group. In general formula (2), R, R, and Reach independently represent a hydrogen atom, or a Calkyl group, at least one of R, R, and Rrepresenting a Calkyl group; p+q=1.00, and 0.35≦p<1,00; and n represents 2 or 3. 2. The electrophotographic photosensitive member according to claim 1 , wherein{'sub': 1', '3', '2', '4, 'in general formula (1), Rand Reach independently represent an alkyl group having a carbon number of at least 1 and no greater than 6, or an alkoxy group having a carbon number of at least 1 and no greater than 6, and Rand Reach independently represent an alkyl group having a carbon number of at least 1 and no greater than 6, and'}{'sub': 23', '25', '23', '25', '24, 'in general formula (2), Rand Reach independently represent a hydrogen atom, or an alkyl group having a carbon number of at least I and no greater than 4, at least one of Rand Rrepresenting an alkyl group having a carbon number of at least 1 and no greater than 4, Rrepresents a hydrogen atom, p+q=1.00, 040≦p≦0.60, and n represents 2 or 3.'}3. The electrophotographic photosensitive member according to claim 1 , wherein{'sub': 23', '24', '25, 'in general formula (2), Rrepresents a hydrogen atom, or an alkyl group having a carbon number of at least 1 and no greater than 4, Rrepresents a hydrogen atom, Rrepresents an alkyl group having a carbon number of at least 1 and no greater than 4, p+q=1.00, 0.40≦p≦0.60, and ...

SINGLE-LAYER TYPE ELECTROPHOTOGRAPHIC PHOTORECEPTOR FOR POSITIVE CHARGING, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE, AND IMAGE FORMING APPARATUS

The present invention relates to a single-layer type electrophotographic photoreceptor for positive charging, comprising: a conductive support; and a photosensitive layer disposed on the conductive support and comprising a binder resin, a charge generation material, a hole transport material and a specific electron transport material within the same layer, wherein the photosensitive layer contains a specific aromatic compound. 2. The single-layer type electrophotographic photoreceptor for positive charging according to claim 1 ,wherein the content of the aromatic compound represented by Formula (7) in the photosensitive layer is 1 part by mass to 50 parts by mass with respect to 100 parts by mass of the binder resin.3. The single-layer type electrophotographic photoreceptor for positive charging according to claim 1 ,wherein the charge generation material is a phthalocyanine pigment.4. The single-layer type electrophotographic photoreceptor for positive charging according to claim 1 ,wherein the binder resin is a polycarbonate resin.6. An electrophotographic photoreceptor cartridge claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the single-layer type electrophotographic photoreceptor for positive charging according to ; and'}at least one selected from the group consisting of a charging device for charging the electrophotographic photoreceptor, an exposure device for exposing the charged electrophotographic photoreceptor so as to form an electrostatic latent image thereon, and a developing device for developing the electrostatic latent image formed on the electrophotographic photoreceptor.7. An image forming apparatus comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the single-layer type electrophotographic photoreceptor for positive charging according to ;'}a charging device for charging the electrophotographic photoreceptor;an exposure device for exposing the charged electrophotographic photoreceptor to light so as to form an ...

Photoelectric conversion device, process cartridge, and image forming apparatus

Provided is a photoelectric conversion device including: a support; a charge-transporting layer including an organic charge-transporting material or a sensitizing dye electrode layer including an organic sensitizing dye, where the charge-transporting layer or the sensitizing dye electrode layer is disposed on the support; and a ceramic film disposed on the charge-transporting layer or the sensitizing dye electrode layer.

SEMICONDUCTOR NANOPARTICLES AND METHOD OF PRODUCING SEMICONDUCTOR NANOPARTICLES

A semiconductor nanoparticle includes a core and a shell covering a surface of the core. The shell has a larger bandgap energy than the core and is in heterojunction with the core. The semiconductor nanoparticle emits light when irradiated with light. The core is made of a semiconductor that contains M, M, and Z. Mis at least one element selected from the group consisting of Ag, Cu, and Au. Mis at least one element selected from the group consisting of Al, Ga, In and Tl. Z is at least one element selected from the group consisting of S, Se, and Te. The shell is made of a semiconductor that consists essentially of a Group 13 element and a Group 16 element. 1. A semiconductor nanoparticle comprising:a core comprising a semiconductor being adapted to emit photoluminescence upon being irradiated with light; anda shell covering a surface of the core and having a bandgap energy larger than a bandgap energy of the core, the shell being in heterojunction with the core,{'sup': 1', '2', '1, 'claim-text': [{'sup': '2', 'Mis at least one element selected from the group consisting of Al, Ga, In, and Tl, and comprises at least In,'}, 'and Z is at least one element selected from the group consisting of S, Se, and Te, and comprises at least S,, 'wherein the semiconductor contains M, M, and Z, wherein Mis at least one element selected from the group consisting of Ag, Cu, and Au, and comprises at least Ag,'}wherein the shell comprises a semiconductor containing a Group 13 element and a Group 16 element, andwherein a photoluminescence lifetime of the semiconductor nanoparticles is 200 ns or less.2. The semiconductor nanoparticle according to claim 1 , wherein the shell contains In as the Group 13 element.3. The semiconductor nanoparticle according to claim 2 , wherein the shell contains S as the Group 16 element.4. The semiconductor nanoparticle according to claim 1 , wherein the shell contains Ga as the Group 13 element.5. The semiconductor nanoparticle according to claim 4 , wherein ...

Coacervation process to encapsulate organic pigments that show improved weather fastness

In a first aspect, the present invention relates to an encapsulated organic pigment comprising of an organic pigment as core material and a material capable of forming microcapsules as shell material, wherein the particle size of the encapsulated pigment (core-shell-product) is in the range from 50 nm to 500 μm and the particle size distribution D 90 is <100 μm.

Leucoindigo salt solution with very low content of aniline and method of making same

Stable aqueous leucoindigo solution comprising an aromatic amine in the form of aniline or aniline and N-methylaniline, wherein said leucoindigo is in the form of an alkali metal salt; wherein the concentration of the aromatic amine is below 40 ppm determined according to ISO 14362-1:2017(E); and wherein the concentration of the leucoindigo salt is in a concentration range of from 10 to 45% by weight based on the total weight of the solution, and wherein the stability of the solution is measured at a temperature of 23° C.; or wherein the concentration of the leucoindigo salt is in a concentration range of from 45 to 65% by weight based on the total weight of the solution, and wherein the stability of the solution is measured at a temperature of 60° C.

DYED FIBERS AND METHODS OF DYEING USING N,N'-DIACETYL INDIGO

Described herein are methods of dyeing fibers, and dyed fibers and textiles made using the methods. The methods involve contacting a fiber with a dye liquor at a dye liquor temperature of about 30° C. to 115° C. to form a dyed fiber, wherein the dye liquor components include at least N,N′-diacetyl indigo and a salt solution having ionic strength of about 0.03 M (moles/liter) to 1 M and pH of about 3 to 8 at 20° C. The contacting is generally carried out for a contact period of about 10 seconds to 30 minutes, for example by immersing the fiber in the heated dye liquor. By using the disclosed methods, N,N′-diacetyl indigo is substantially uniformly distributed on the dyed fiber to provide intense, vibrant colors affixed thereto. Dyed textiles display substantially uniform color. 1. A method of dyeing a fiber , the method comprising: contacting the fiber with a dye liquor at a dye liquor temperature of about 30° C. to 115° C. to form a dyed fiber , the dye liquor comprising N ,N′-diacetyl indigo and a salt solution having ionic strength of about 0.03 M (moles/liter) to 1 M and pH of about 3 to 8 at 20° C.2. The method of wherein the contacting is carried out for a contact period of about 10 seconds to 30 minutes.3. The method of wherein the contact period is the amount of time sufficient to exhaust substantially all of the N claim 2 ,N′-diacetyl indigo from the dye liquor4. The method of wherein the temperature of the dye liquor is adjusted to about 30° C. to 115° C. before the contacting.5. The method of wherein the salt solution comprises about 1 wt % to 10 wt % salt.6. The method of wherein the N claim 1 ,N′-diacetyl indigo is present in the dye liquor at a weight ratio of 1 part N claim 1 ,N′-diacetyl indigo to about 2 to 1000 parts salt solution.7. The method of further wherein the dye liquor is formed by combining water claim 1 , salt claim 1 , and N claim 1 ,N′-diacetyl indigo in any order.8. The method of wherein the salt solution comprises two or more salts.9. ...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMATION DEVICE

An electrophotographic photoreceptor comprising at least a photosensitive layer on a conductive substrate, wherein the photosensitive layer is a laminate having a charge transport layer and a charge generation layer, the charge transport layer contains four or more types of compounds each having a maximum absorption wavelength falling within a wavelength range of from 300 nm to 600 nm in a tetrahydrofuran solution at 25° C., and maximum absorption wavelengths falling within the wavelength range of at least four types of the compounds of said four or more types of the compounds are separated from each other by 10 nm or more. 1. An electrophotographic photoreceptor comprising at least a photosensitive layer on a conductive substrate , wherein:the photosensitive layer is a laminate having a charge transport layer and a charge generation layer,the charge transport layer contains four or more types of compounds each having a maximum absorption wavelength falling within a wavelength range of from 300 nm to 600 nm in a 0.001 mass % tetrahydrofuran solution at 25° C., andmaximum absorption wavelengths falling within the wavelength range of at least four types of the compounds of said four or more types of the compounds are separated from each other by 10 nm or more.2. The electrophotographic photoreceptor according to claim 1 , wherein the wavelength range is from 300 nm to 500 nm.3. The electrophotographic photoreceptor according to claim 1 , wherein the maximum absorption wavelengths falling within said wavelength range of at least four types of the compounds of said four or more types of the compounds are separated from each other by 20 nm or more.4. The electrophotographic photoreceptor according to claim 1 , wherein said four or more types of the compounds contain at least a compound of which the maximum absorption wavelength falls within a wavelength range of from 300 to 350 nm and a compound of which the maximum absorption wavelength falls within a wavelength range ...

Leucodye (such as leucoindigo) as dispersing aid

An electrolytic dye reduction method comprises preparing a catholyte by dispersing a dye in a leucodye comprising electrolyte. In a preferred method the leucodye like leucoindigo is the sole dispersing aid.

Near infrared absorbing dye-based composite particles exhibiting photothermal effect, method for manufacturing the same, and use thereof

The present invention relates to near-infrared-absorbing dye-based composite particles which exhibit a photothermal effect and/or photoacoustic signal upon photoirradiation, a preparation method thereof, and a use thereof. The near-infrared-absorbing composite particles comprise: a water-insoluble salt of a near-infrared-absorbing dye, which comprises anions of the near-infrared-absorbing dye and metal cations capable of forming a precipitation product with the anions of the near-infrared-absorbing dye; and particles of a polymeric surfactant, in which a water-insoluble salt of the near-infrared-absorbing dye is supported in the hydrophobic part of the polymeric surfactant.

METHOD FOR PREPARING A COLOUR-STABLE PREPARATION OF A MAGNESIUM CHLOROPHYLLIN ALKALI METAL SALT OR ALKALI EARTH METAL SALT FROM NATURAL SOURCES OF CHLOROPHYLL

The present invention provides a method for preparing a colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt from natural sources of chlorophyll. The invention further provides a colour-stable and substantially pure pigment composition comprising a vibrant green magnesium chlorophyllin in the form of an alkali metal or alkali earth metal salt, e.g. those prepared by the methods of the invention, and the use of the salts and compositions of the invention as colouring agents, in particular as food colouring agents, and as medicaments and disinfectants. 1. A method for preparing a colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt , said method comprising either:(a)(i) providing a liquid composition comprising a plant, cyanobacterial and/or algal extract containing a water-insoluble magnesium chlorophyll, wherein said extract has been prepared by treating plant, cyanobacterial and/or algal matter containing a water-insoluble magnesium chlorophyll with an organic solvent in which said chlorophyll is substantially soluble and chlorophyllin is substantially insoluble, wherein said composition has a oleoresin solids content of about 1% w/w to about 50% w/w and does not comprise an organic solvent in which chlorophyllin is substantially soluble; or(a)(ii) providing a liquid composition comprising a plant, cyanobacterial and/or algal extract containing a water-soluble magnesium chlorophyll, wherein said extract has been prepared by treating plant, cyanobacterial and/or algal matter containing a water-soluble magnesium chlorophyll with a substantially aqueous liquid in which said chlorophyll is substantially soluble, wherein said composition does not comprise an organic solvent in which chlorophyllin is substantially soluble; or(a)(iii) providing a liquid composition comprising the liquid component of plant, cyanobacterial and/or algal matter containing a water-insoluble magnesium ...

NOVEL PROCESS FOR THE PREPARATION OF INDIGOTINDISULFONATE SODIUM (INDIGO CARMINE)

This invention relates to an improved method for the preparation of highly or substantially pure Indigotindisulfonate sodium (1). It further relates to the novel crystalline form I of Indigotindisulfonate sodium (1) and the process for its preparation. 2. The Indigotindisulfonate sodium salt according to having purity greater than 99.0% by HPLC and wherein one or more of the following:i) Less than 0.15% of impurity Aii) Less than 0.15% of impurity B andiii) Less than 0.15% of impurity Civ) Combination of Lead and Arsenic is less than 2 ppm.4. The process as claimed in claim 3 , wherein the base used in step i) is selected from the group consisting of sodium hydroxide claim 3 , sodium carbonate claim 3 , sodium bicarbonate or the like.5. The process as claimed in claim 3 , wherein the pH in step ii) is maintained above 13 by using sodium hydroxide.6. The process as claimed in claim 3 , wherein the protic or aprotic solvent is selected from the group consisting of water claim 3 , methanol claim 3 , ethanol claim 3 , isopropyl alcohol claim 3 , n-butanol claim 3 , acetonitrile claim 3 , tetrahydrofuran claim 3 , acetone claim 3 , ethyl acetate claim 3 , dichloromethane or mixtures thereof.7. A process for the purification of Indigotindisulfonate sodium salt comprising:a. suspending crude Indigotindisulfonate sodium in protic or aprotic solventb. heating the suspension to 60-65° C.c. cooling the suspension to 20-25° C.d. filtering the suspension and washing with methanol at 20-25° C. to isolate pure crystalline Indigotindisulfonate sodium.8. The process as claimed in claim 7 , wherein the protic or aprotic solvent is selected from the group consisting of water claim 7 , methanol claim 7 , ethanol claim 7 , isopropyl alcohol claim 7 , n-butanol claim 7 , acetonitrile claim 7 , tetrahydrofuran claim 7 , acetone claim 7 , ethyl acetate claim 7 , dichloromethane or mixtures thereof. This application is a National Stage application of International Patent Application No. PCT ...

Methods for obtaining natural colourants from plant based materials

The present invention relates to methods for obtaining natural colorants from materials of plant origin. The method comprises a mixing step, a co-pigmentation step, an enzymatic hydrolysis step and various filtration steps carried out under specific conditions.

SOLUTION COMPRISING A DYE

Solution comprising about 1 to about 25 wt % of a dye that loses its colour during radical cure and about 75 to about 99 wt % of a solvent mixture, said solvent mixture comprising cyclopentanone and dimethylsulphoxide in a weight ratio of about 60:40 to about 95:5. 3. Solution according to wherein Y is —NO.4. Solution according to wherein Rhas the structure —CH—C≡N.5. Solution according to wherein Rhas the structure —CH.6. Solution according to wherein Rhas the structure —CH—O—C(═O)—O—CH.7. Solution according to wherein Rhas the structure —CH—O—C(═O)—CH.9. Solution according to wherein Y is —NO.10. Solution according to wherein either Ror Rhas the structure —CH—C≡N.11. Solution according to wherein Rhas the structure —CH.12. Solution according to wherein Rhas a structure chosen from —CH—OH claim 8 , —CH—O—C(═O)—O—CH claim 8 , ——CH—O—C(═O)—CH claim 8 , and —CH—C(═O)—O—CH1.13. Peroxide formulation comprising:one or more organic peroxides and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'about 0.05 to about −2.0 wt % of the solution according to ,'}wherein the active oxygen content of the formulation is from about 2 to about −15 wt %.14. Peroxide formulation according to wherein the organic peroxide is chosen from ketone peroxides claim 13 , organic hydroperoxides claim 13 , peroxyesters claim 13 , and combinations thereof.15. Process for curing a radically curable resin comprising the step of adding a peroxide formulation according to to the resin.16. Solution according to wherein Ris ethyl or has the structure{'br': None, 'sub': 2', '2, 'CH—CH—C≡N; or'}{'br': None, 'sub': 2', '4', '2', '5, '—CH—O—C(═O)—O—CH; or'}{'br': None, 'sub': 2', '4', '3, '—CH—O—C(═O)—CH.'}17. Solution according to wherein either Ror Rhas the structure —CH—CH—C≡N.18. Solution according to wherein Ris ethyl.19. Peroxide formulation according to wherein the organic peroxide is chosen from acetylacetone peroxide claim 13 , tert-butyl peroxybenzoate claim 13 , methyl ethyl ketone peroxide claim ...

Storage-stable dye solutions

The present invention relates to storage-stable dye salts, solutions and compositions thereof a process for their preparation and their use for dyeing and/or printing substrates.

METHOD FOR PREPARING A COLORANT FOR USE IN A HOT MELT INK

A method for preparing a colorant for use in an ink composition including a substantially non-aqueous carrier composition includes providing a chromophore precursor including one or multiple functional groups which may be subjected to a chemical reaction to form a salt with a preselected counter ion; providing a salt including the preselected counter ion; and providing an organic solvent that is not miscible with water and wherein the reaction product of the chromophore precursor and the salt including the preselected counter ion is soluble; preparing a chromophore precursor solution in water by dissolving a quantity of the chromophore precursor in water adding a quantity of the organic solvent while stirring; adding the salt including the preselected counter ion while stirring to form a resalted chromophore; separating the resalted chromophore from the reaction mixture. The addition of the salt including the preselected counter ion is performed until a molar excess of counter ion has been added with respect to the molar amount of functional groups comprised in the chromophore precursor; A colorant is obtainable and an ink composition includes such a colorant. 1. A method for preparing a colorant for use in an ink composition comprising a substantially non-aqueous carrier composition , the method comprising the steps of:a. providing a chromophore precursor comprising one or multiple functional groups which may be subjected to a chemical reaction to form a salt with a preselected counter ion; a salt comprising the preselected counter ion; and an organic solvent that is not miscible with water and wherein the reaction product of the chromophore precursor and the salt comprising the preselected counter ion is soluble;b. preparing a chromophore precursor solution in water by dissolving a quantity of the chromophore precursor in water;c. adding a quantity of the organic solvent while stirring;d. adding the salt comprising the preselected counter ion while stirring to ...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND APPARATUS OF FORMING ELECTROPHOTOGRAPHIC IMAGE

Provided is an electrophotographic photoreceptor including a conductive support, a photosensitive layer, and a surface protective layer disposed in sequence. The surface protective layer includes a cured product of a composition containing a polymerizable compound, a charge transporting material, and at least two polymerization initiators. The polymerization initiators include an acyl phosphine oxide and an O-acyl oxime. 1. An electrophotographic photoreceptor comprising a conductive support , a photosensitive layer , and a surface protective layer disposed in sequence , whereinthe surface protective layer comprises a cured product of a composition containing a polymerizable compound, a charge transporting material, and at least two polymerization initiators; andthe polymerization initiators comprise an acyl phosphine oxide and an O-acyl oxime.3. The electrophotographic photoreceptor according to claim 1 , wherein claim 1 , when amounts of the acyl phosphine oxide and the O-acyl oxime are respectively expressed as A and B claim 1 , a ratio A:B is within a range of 3:7 to 8:2.4. The electrophotographic photoreceptor according to claim 1 , wherein the charge transporting material exhibits a maximum absorption wavelength of 405±50 nm in an absorption spectrum.5. The electrophotographic photoreceptor according to claim 1 , wherein the surface protective layer contains metal oxide particles.6. The electrophotographic photoreceptor according to claim 5 , wherein the metal oxide particles have a reactive organic group.7. A method of producing an electrophotographic photoreceptor comprising a conductive support claim 5 , a photosensitive layer claim 5 , and a surface protective layer disposed in sequence claim 5 , the method comprising forming the surface protective layer by curing a composition containing a polymerizable compound claim 5 , a charge transporting material claim 5 , and at least two polymerization initiators claim 5 , wherein the polymerization initiators ...

MANUFACTURING METHOD FOR FINE ORGANIC PIGMENT

The present invention relates to [1] a process for producing a fine organic pigment, including step 1 of kneading a mixture prepared by compounding a raw material organic pigment, a water-soluble inorganic salt and a water-soluble organic solvent; and step 2 of subjecting the kneaded mixture obtained in the step 1 to cleaning treatment with an aqueous solvent and then to filtration treatment, in which before or after kneading the mixture in the step 1 and before subjecting the kneaded mixture to filtration treatment in the step 2, a sulfonic acid salt dispersant is compounded in an amount of not less than 0.8 part by mass and not more than 8.0 parts by mass on the basis of 100 parts by mass of the raw material organic pigment; [2] a process for producing a dispersion, including step 3 of subjecting a pigment mixture containing the fine organic pigment obtained by the production process according to the above [1], an organic solvent and water to dispersion treatment; and [3] a process for producing an ink, including step 4 of mixing the dispersion obtained by the production process according to the above [2] with at least one medium selected from the group consisting of water and an organic solvent. 1. A process for producing a fine organic pigment , comprising:Step 1: kneading a mixture prepared by compounding a raw material organic pigment, a water-soluble inorganic salt and a water-soluble organic solvent; andStep 2: subjecting the kneaded mixture obtained in the step 1 to cleaning treatment with an aqueous solvent and then to filtration treatment,in which before or after kneading the mixture in the step 1 and before subjecting the kneaded mixture to filtration treatment in the step 2, a sulfonic acid salt dispersant is compounded in an amount of not less than 0.8 part by mass and not more than 8.0 parts by mass on the basis of 100 parts by mass of the raw material organic pigment.2. The process for producing a fine organic pigment according to claim 1 , wherein ...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR FOR POSITIVE CHARGING, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE, AND IMAGE FORMING APPARATUS

The present invention relates to an electrophotographic photoreceptor for positive charging, the photoreceptor comprising: a conductive support; and a single-layer type photosensitive layer disposed on the conductive support, the single-layer type photosensitive layer containing a binder resin, a compound (1) having hole transporting ability, and a compound (2) having electron-transporting ability, wherein the level Ah of a compound having a highest energy level of HOMO in the compound (1), the level BI of a compound having a lowest energy level of LUMO in the compound (2), and an energy level Ch of HOMO of another compound C which has a molecular weight of 500 or less and is contained in the photosensitive layer satisfy specific equations. 1. An electrophotographic photoreceptor for positive charging , the photoreceptor comprising:a conductive support; anda single-layer type photosensitive layer disposed on the conductive support, the single-layer type photosensitive layer at least containing a binder resin, a compound having hole transporting ability, and a compound having electron-transporting ability,wherein the binder resin contains a polyarylate resin, and designating a compound having hole transporting ability with a highest energy level of HOMO in the compound having hole transporting ability as a compound A, and setting the energy level of HOMO of the compound A to Ah,', 'designating a compound having electron-transporting ability with a lowest energy level of LUMO in the compound having electron-transporting ability as a compound B, and setting the energy level of LUMO of the compound B to Bl, and', 'designating a compound which has a molecular weight of 500 less and is contained other than the compound A and the compound B in the single-layer type photosensitive layer as a compound C, and setting an energy level of HOMO of the compound C to Ch,, 'when in density function calculation B3LYP/6-31G (d, p),'} [{'br': None, 'i': 'Ch≤−', '4.69 (eV)\u2003\u2003( ...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS

An electrophotographic photosensitive member () includes a conductive substrate () and a photosensitive layer () disposed directly or indirectly on the conductive substrate (). The photosensitive layer () has a charge generating layer () and a charge transport layer () disposed in order from the conductive substrate (). The charge generating layer () contains a charge generating material. The charge transport layer () contains a charge transport material, a binder resin, and a pigment that absorbs light having an irradiation wavelength. The binder resin includes a polyarylate resin including a repeating unit represented by general formula (1): 2. The electrophotographic photosensitive member according to claim 1 , whereinin general formula (1), v and w each represent 3.3. The electrophotographic photosensitive member according to claim 1 , whereinin general formula (1),r/(r+t) is at least 0.30 and no greater than 0.70,s/(s+u) is at least 0.30 and no greater than 0.70, andX and Y are different from one another.4. The electrophotographic photosensitive member according to claim 3 , whereinin general formula (1), X and Y each represent, independently of one another, the divalent group represented by chemical formula (1-1), chemical formula (1-2), or chemical formula (1-4).5. The electrophotographic photosensitive member according to claim 4 , whereinin general formula (1),X is the divalent group represented by chemical formula (1-4), andY is the divalent group represented by chemical formula (1-1) or chemical formula (1-2).7. The electrophotographic photosensitive member according to claim 1 , whereinthe pigment is the naphthalocyanine compound represented by genera formula (2), andin general formula (2),{'sup': 1', '2', '3', '4', '5', '6, 'R, R, R, R, R, and Reach represent, independently of one another, a hydrogen atom, an alkyl group optionally having a substituent and having a carbon number of at least 1 and no greater than 6, or an alkoxy group optionally having a ...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

An image forming apparatus includes an image bearing member and a charging roller that charges a circumferential surface of the image bearing member to a positive polarity. The image bearing member includes a conductive substrate and a photosensitive layer of a single layer, and satisfies formula (1) shown below. The photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. 2. The image forming apparatus according to claim 1 , whereinthe volume resistivity of the surface layer at a temperature of 32.5° C. and a relative humidity of 80% is no greater than 17.8 logΩ·cm.3. The image forming apparatus according to claim 2 , whereinthe volume resistivity of the surface layer at a temperature of 32.5° C. and a relative humidity of 80% is no greater than 16.0 logΩ·cm.4. The image forming apparatus according to claim 1 , whereinthe charging roller has an electric resistance at a temperature of 32.5° C. and a relative humidity of 80% of at least 4.0 logΩ and no greater than 7.0 logΩ.5. The image forming apparatus according to claim 4 , whereinthe electric resistance of the charging roller at a temperature of 32.5° C. and a relative humidity of 80% is at least 4.5 logΩ and no greater than 6.5 logΩ.6. The image forming apparatus according to claim 1 , whereinthe surface layer has a film thickness of at least 10 μm and no greater than 20 μm.7. The image forming apparatus according to claim 1 , whereinthe charging roller applies only a direct current voltage to the circumferential surface of the image bearing member.8. The image forming apparatus according to claim 1 , whereinthe surface layer contains a conductive filler, andthe conductive filler includes tin oxide particles, phosphorous-doped tin oxide particles, or titanium oxide particles.9. The image forming apparatus according to claim 1 , whereinthe surface layer contains a second binder resin, andthe second binder resin includes a polyamide ...

BENZIDINE DERIVATIVE, METHOD FOR PRODUCING BENZIDINE DERIVATIVE, AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

A benzidine derivative is represented by general formula (1). In the general formula (1), R, R, R, R, R, R, R, R, R, and Reach represent, independently of one another, a hydrogen atom, a halogen atom, an optionally substituted alkyl group having a carbon number of at least 1 and no greater than 6, an optionally substituted alkoxy group having a carbon number of at least 1 and no greater than 6, or an optionally substituted aryl group having a carbon number of at least 6 and no greater than 14. n represents an integer of at least 0 and no greater than 2. 2. The benzidine derivative according to claim 1 , wherein{'sub': 6', '7', '8', '9', '10, 'in the general formula (1), R, R, R, R, and Reach represent a hydrogen atom.'}3. The benzidine derivative according to claim 1 , whereinin the general formula (1), n represents 1 or 2.4. The benzidine derivative according to claim 1 , whereinin the general formula (1),{'sub': 1', '2', '3', '4', '5, 'R, R, R, R, and Reach represent, independently of one another, a hydrogen atom, an alkyl group having a carbon number of at least 1 and no greater than 6 and optionally having an aryl group having a carbon number of at least 6 and no greater than 14, or an aryl group having a carbon number of at least 6 and no greater than 14,'}{'sub': 6', '7', '8', '9', '10, 'R, R, R, R, and Reach represent, independently of one another, a hydrogen atom or an alkoxy group having a carbon number of at least 1 and no greater than 6, and'}n represents 0 or 1.7. An electrophotographic photosensitive member comprising a conductive substrate and a photosensitive layer claim 1 , wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the photosensitive layer contains at least a charge generating material and the benzidine derivative according to as a hole transport material.'}8. The electrophotographic photosensitive member according to claim 7 , comprising claim 7 , as the photosensitive layer:a charge generating layer containing the charge generating ...

DIAMINE COMPOUND AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

A diamine compound is represented by general formula (1). In the general formula (1), R, R, R, R, R, R, R, R, R, and Reach represent, independently of one another, a hydrogen atom, a halogen atom, an optionally substituted alkyl group having a carbon number of at least 1 and no greater than 6, an optionally substituted alkoxy group having a carbon number of at least 1 and no greater than 6, or an optionally substituted aryl group having a carbon number of at least 6 and no greater than 14. m represents an integer of at least 1 and no greater than 3. n represents an integer of at least 0 and no greater than 2. 2. The diamine compound according to claim 1 , whereinin the general formula (1),{'sub': 1', '2', '3', '4', '5', '6', '7', '8', '9', '10, 'R, R, R, R, R, R, R, R, R, and Reach represent, independently of one another, a hydrogen atom, an alkyl group having a carbon number of at least 1 and no greater than 6, or an aryl group having a carbon number of at least 6 and no greater than 14.'}3. The diamine compound according to claim 1 , whereinin the general formula (1), m represents 2 or 3.4. The diamine compound according to claim 1 , whereinin the general formula (1), m represents 3.5. The diamine compound according to claim 1 , whereinin the general formula (1), n represents 1 or 2.7. An electrophotographic photosensitive member comprising a conductive substrate and a photosensitive layer claim 1 , wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the photosensitive layer contains at least a charge generating material and the diamine compound according to as a hole transport material.'}8. The electrophotographic photosensitive member according to claim 7 , comprising claim 7 , as the photosensitive layer:a charge generating layer containing the charge generating material and a charge transport layer containing the hole transport material; ora single-layer type photosensitive layer containing the charge generating material and the hole transport material, ...

TRIPHENYLAMINE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

A triphenylamine derivative is represented by general formula (1). In the general formula (1): R, R, R, R, R, R, R, R, R, and Reach represent, independently of one another, a hydrogen atom, an optionally substituted alkyl group having a carbon number of at least 1 and no greater than 6, an optionally substituted alkoxy group having a carbon number of at least 1 and no greater than 6, an optionally substituted alkenyl group having a carbon number of at least 2 and no greater than 6, or an optionally substituted aryl group having a carbon number of at least 6 and no greater than 14; m represents an integer of at least 1 and no greater than 3; and n represents an integer of at least 0 and no greater than 2. 3. The triphenylamine derivative according to claim 2 , wherein [{'sub': 1', '2', '3', '4', '5, 'R, R, R, R, and Reach represent a hydrogen atom,'}, {'sub': 11', '12', '13', '14', '15, 'R, R, R, R, and Reach represent, independently of one another, an hydrogen atom or an alkyl group having a carbon number of at least 1 and no greater than 6,'}, {'sub': 16', '17', '18', '19', '20, 'R, R, R, R, and Reach represent, independently of one another, a hydrogen atom or an alkyl group having a carbon number of at least 1 and no greater than 6,'}, 'm represents an integer of at least 1 and no greater than 3,', 'n represents 0 or 1, and', 'q represents 0 or 1., 'in the general formulas (1-1) and (1-2),'}4. The triphenylamine derivative according to claim 2 , that is represented by the general formula (1-2).5. The triphenylamine derivative according to claim 2 , whereinin the general formula (1-2), m represents 1 or 2 and q represents 1.6. The triphenylamine derivative according to claim 2 , whereinin the general formula (1-2), m represents 2 and q represents 1.7. The triphenylamine derivative according to claim 2 , whereinin the general formula (1-2), m represents 3 and n represents 1.9. An electrophotographic photosensitive member comprising a conductive substrate and a ...

TRICYCLIC OCTACATIONIC CYCLOPHANE AND ITS USE IN COMPLEXATION WITH PERLENE DIIMIDE DYES

Disclosed herein is a tricyclic octacationic cyclophane and complexes comprising the tricyclic octacationic cyclophane and a perylene diimide dye complexed therein and methods of using and making the cyclophane and complexes. 1. A tricyclic octacationic cyclophane or a salt thereof , the cyclophane comprising a roof , a floor , and four pillars , wherein each of the roof and the floor are composed of a biphenyl unit having four pyridinium units extending therefrom and wherein each of the four pyridinium units of the roof are linked to another pyridinium unit of the floor by one of the four pillars.3. A receptor-substrate complex claim 1 , the complex comprising the tricyclic octacationic cyclophane according to and a perylene diimide dye complexed therein.6. The complex of claim 5 , wherein R is —CHCHNMeor —CHCH[OCHCH]OMe.7. A salt comprising the cyclophane of and a counter anion.8. The salt of claim 7 , wherein the counter anion is CFCO claim 7 , PF claim 7 , or Cl.9. A crystalline composition comprising the complex of .10. The crystalline composition of claim 9 , wherein the crystalline composition has a triclinic claim 9 , space group P-1 (no. 2) crystal parameter and wherein the crystalline composition has unit cell parameters: a=11.0±0.1 claim 9 , b=15.9±0.1 claim 9 , c=19.3±0.1 Å claim 9 , α=99.2±0.1° claim 9 , β=99.1±0.1° claim 9 , and γ=104.4±0.1°.11. The crystalline composition of claim 9 , wherein the crystalline composition has a tetragonal claim 9 , space group P422 crystal parameter and wherein the crystalline composition has unit cell parameters: a=40.1±0.1 claim 9 , and c=10.8±0.1.12. A method for fluorescence spectroscopy claim 3 , comprising providing the complex of claim 3 , irradiating the complex with an irradiation source claim 3 , and detecting an emission signal from the complex.13. The method of further comprising providing a dye and detecting an emission signal from the dye.14. The method of claim 13 , wherein the complex and the dye are ...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

An electrophotographic photosensitive member includes a photosensitive layer containing a charge generating material, a charge transport material, and a binder resin. The photosensitive layer is a multi-layer type photosensitive layer or a single-layer type photosensitive layer. The multi-layer type photosensitive layer includes a charge generating layer that contains the charge generating material and a charge transport layer that contains the charge transport material and the binder resin, and in which the charge transport layer is located on the charge generating layer. The single-layer type photosensitive layer contains the charge generating material, the charge transport material, and the binder resin. The charge transport material is an enamine derivative represented by general formula (1). In general formula (1), R, R, l, m, and n are each as defined in the specification. 2. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1),{'sub': 1', '2, 'Rand Reach represent, independently of one another, at least one chemical group selected from the group consisting of an alkyl group having a carbon number of at least 1 and no greater than 6 and an alkoxy group having a carbon number of at least 1 and no greater than 6.'}3. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1),{'sub': 1', '2, 'Rand Reach represent, independently of one another, either a methyl group or a methoxy group.'}4. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1),l represents 0 or 1,m represents 0 or 1, andn represents an integer of at least 1 and no greater than 3.5. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1), l represents 1.6. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1),n represents 2 or 3.7. The electrophotographic ...

Cyclophane-sustained high performance porphyrins

Disclosed herein are receptor-substrate complexes comprising an octacationic tricyclic cyclophane and a pyrrole dye complexed therein and methods of using and making the same.

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS

An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The charge transporting layer contains a polycarbonate resin having a particular structural unit. 2. The electrophotographic photosensitive member according to claim 1 ,wherein the charge transporting layer contains the polycarbonate resin (i), andwhen numbers of repetitions of the structural unit represented by the formula (1-1), the structural unit represented by the formula (1-2), and the structural unit represented by the formula (1-3) in the polycarbonate resin (i) are respectively a, b, and c, c/(a+b+c) is 0.40 to 0.80.3. The electrophotographic photosensitive member according to claim 1 ,wherein the charge transporting layer contains the polycarbonate resin (i), andwhen numbers of repetitions of the structural unit represented by the formula (1-1) and the structural unit represented by the formula (1-2) in the polycarbonate resin (i) are respectively a and b, a/b is 0.25 to 4.00.4. The electrophotographic photosensitive member according to claim 1 ,wherein the charge transporting layer contains the polycarbonate resin (i), anda content on a mass basis of the charge transport material in the charge transporting layer is 0.5 times or more and 0.9 times or less a content on a mass basis of the polycarbonate resin (i).5. The electrophotographic photosensitive member according to claim 1 ,wherein the charge transporting layer contains the polycarbonate resin (ii), andwhen numbers of repetitions of the structural unit represented by the formula (2-1), the structural unit represented by the formula (2-2), and the structural unit represented by the formula (2-3) in the polycarbonate resin (ii) are respectively a, b, and c, a/(a+b+c) is 0.10 to 0.40.6. The electrophotographic photosensitive member ...

Modified pigments and use thereof

A modified organic pigment can be used to make a coating composition, such as a paint, a varnish, or a printing ink. The modified organic pigment is obtained by reacting the pigments during the pigment synthesis with at least one interface-active compound, where the interface-active compound is a compound within a three-dimensional Hansen space determined by three coordinates, Hansen solubility parameters (HSPs), D=18.21, P=8.44, H=13.16 with a radius of 6.7 units about a center of the three-dimensional Hansen space, determined with the aid of the HSPiP software, version 5.0.0.4. 1. A modified organic pigment ,obtained by reacting an organic pigment during organic pigment synthesis with at least one interface-active compound,wherein the interface-active compound is a compound within a three-dimensional Hansen space determined by three coordinates, Hansen solubility parameters (HSPs), D=18.21, P=8.44, H=13.16 with a radius of 6.7 units about a center of the three-dimensional Hansen space,determined with the aid of the HSPiP software, version 5.0.0.4.2. The modified organic pigment according to claim 1 , whereinthe interface-active compound is at least one member selected from the group consisting of a chemical amphiphilic compound of low molecular weight, a chemical amphiphilic compound of high molecular weight, an ionic compound of low molecular weight, an ionic compound of high molecular weight, a nonionic compound of low molecular weight, and a nonionic compound of high molecular weight.3. The modified organic pigment according to claim 1 , whereinthe interface-active compound is at least one member selected from the group consisting of a polyether-modified fatty acid, a polyether-modified fatty acid amide amine, a polyether-modified amine derivative, a Jeffamine derivative, a polyether-modified oil and fat, and a derivative of a polyether-modified oil and fat.4. The modified organic pigment according to claim 1 , wherein the interface-active compound is a ...

HYBRID COLORED METALLIC PIGMENT

A thin film structure including a reflector layer; and a hybrid layer including an organic colored material and at least one of an organic filler and an inorganic filler; wherein a concentration of the at least one of an organic filler or an inorganic filler is in a range of from about 3 wt. % to about 30 wt. %. A method of making a thin film structure is also disclosed. 120.-. (canceled)21. A thin film structure , comprising:a microstructured reflector layer having a first side and a second side;wherein the first side includes up to three hybrid layers, andwherein the second side includes up to three hybrid layers,a hybrid layer comprises an organic colored material and at least one filler chosen from an organic filler and an inorganic filler, wherein the at least one filler is present in the hybrid layer in an amount ranging from about 3 wt. % to about 30 wt. % relative to the total weight of the hybrid layer.22. The thin film structure of claim 21 , wherein the reflector layer is opaque.23. The thin film structure of claim 21 , wherein the first side has three hybrid layers.24. The thin film structure of claim 21 , wherein the first side has two hybrid layers.25. The thin film structure of claim 21 , wherein the second side has three hybrid layers.26. The thin film structure of claim 21 , wherein the second side has two hybrid layers.27. The thin film structure of claim 24 , wherein the two hybrid layers include different organic colored materials in each hybrid layer.28. The thin film structure of claim 23 , wherein the three hybrid layers include different organic colored materials in each hybrid layer.29. The thin film structure of claim 21 , wherein an amount of the at least one organic filler or organic filler varies along a gradient along a length of the hybrid layer.30. The thin film structure of claim 21 , wherein a first end of the hybrid layer has a higher concentration of the at least one organic filler or inorganic filler as compared to a second end ...

Method and system for manufacture and use of macroporous beads in a multiplex assay

Macroporous beads and a method of manufacturing and using such macroporous beads. wherein the beads are distinguishable for use in a multiplex assay. Preferably, the beads are distinguishable by two or more unique fluorochromes, and at least some of the beads are magnetically responsive. In a preferred form, some of the macroporous beads have interior pores with a different moiety from the exterior surface, allowing beads with different attached functional groups.

SELF-ASSEMBLED NANO-STRUCTURED PARTICLE AND METHODS FOR PREPARING

Novel, nano-structured particles are formed by introducing a selected solid of interest into a structured fluid matrix formed by a dispersion of a small molecule host vessel components, such as a native or modified polysaccharide, cavitand, simple sugar, disaccharide, simple polyol or other similarly structured molecule known to be useful as a host vessel, in an acidic medium or other solvent, whereby the particle size of the introduced solid is reduced and or limited in the structured fluid matrix, by incorporation into or attachment to, the host vessel. The simple, one-batch mixing process results in stabilized colloidal dispersions of the nanoparticles of a variety of solids of varying scope and function and useful in a wide variety of applications, including without limitation ceramic materials, such as hexagonal boron nitride. 1. A process for forming a nanoparticle , comprising:heating an acid medium with agitation;adding a host vessel comprising a carbohydrate with agitation to the acid medium to form a gel;adding a solid guest particle with agitation to the gel to form a mixture;stirring the mixture at an elevated temperature for a set time to allow particle size reduction and annealing to occur; andquenching the mixture with water or a dry basic compound.2. The process of claim 1 , wherein the carbohydrate is a simple sugar claim 1 , a disaccharide claim 1 , a polysaccharide or cyclodextrin.3. The process of claim 2 , wherein the disaccharide is sucrose and the cyclodextrin is β-cyclodextrin.4. The process of claim 1 , further comprising:dispersing the quenched mixture in water to form a colloidal dispersion of nanoparticles; andfiltering the colloidal dispersion.5. The process of claim 4 , further comprising:stabilizing the filtered colloidal dispersion of nanoparticles by reacting it with another reactive component that is a base comprising a sodium or other alkali metal hydroxide.6. The process of claim 4 , further comprising:stabilizing the filtered ...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

In an image forming apparatus, a cleaning member is pressed against a circumferential surface of an image bearing member and collects a toner remaining on the circumferential surface of the image bearing member. The toner has a number average roundness of 0.965 to 0.998. The toner has a Dof 4.0 μm to 7.0 μm. A linear pressure of the cleaning member on the circumferential surface of the image bearing member is 10 N/m to 40 N/m. The image bearing member includes a single-layer photosensitive layer containing a charge generating material and a hole transport material. Ionization potential Ipof the hole transport material and ionization potential Ipof the charge generating material satisfy mathematical formula (1) “Ip≥5.30 eV”, mathematical formula (2) “Ip≥5.30 eV”, and mathematical formula (3) “0.09 eV≤|Ip−Ip|≤0.30 eV”. 1. An image forming apparatus comprising:an image bearing member; anda cleaning member pressed against a circumferential surface of the image bearing member and configured to collect a toner remaining on the circumferential surface of the image bearing member, whereinthe toner has a number average roundness of at least 0.965 and no greater than 0.998,the toner has a volume median diameter of at least 4.0 μm and no greater than 7.0 μm,a linear pressure of the cleaning member on the circumferential surface of the image bearing member is at least 10 N/m and no greater than 40 N/m,the image bearing member includes a conductive substrate and a single-layer photosensitive layer,the single-layer photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin, and{'sub': HTM', 'CGM, 'claim-text': [{'br': None, 'sub': 'HTM', 'Ip≥5.30 eV\u2003\u2003(1)'}, {'br': None, 'sub': 'CGM', 'Ip≥5.30 eV\u2003\u2003(2)'}, {'br': None, 'sub': HTM', 'CGM, '0.09 eV≤|Ip−Ip|≤0.30 eV\u2003\u2003(3).'}], 'ionization potential Ipof the hole transport material and ionization potential Ipof the charge ...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer is a single-layer photosensitive layer and contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. A hole mobility μis at least 1.00×10cm/V/second and an electron mobility μis at least 4.00×10cm/V/second in the photosensitive layer as measured under conditions of a temperature of 23° C. and an electric field intensity of 1.50×10V/cm. A ratio (μ/μ) of the hole mobility μto the electron mobility μis at least 1.0 and no greater than 50.0. 1. An electrophotographic photosensitive member comprising a conductive substrate and a photosensitive layer , whereinthe photosensitive layer is a single-layer photosensitive layer and contains a charge generating material, a hole transport material, an electron transport material, and a binder resin,{'sub': h', 'e, 'sup': −7', '2', '−8', '2', '5, 'a hole mobility μis at least 1.00×10cm/V/second and an electron mobility μis at least 4.00×10cm/V/second in the photosensitive layer as measured under conditions of a temperature of 23° C. and an electric field intensity of 1.50×10V/cm, and'}{'sub': h', 'e', 'h', 'e, 'a ratio (μ/μ) of the hole mobility μto the electron mobility μis at least 1.0 and no greater than 50.0.'}2. The electrophotographic photosensitive member according to claim 1 , wherein{'sub': h', 'e', 'h', 'e, 'the ratio (μ/μ) of the hole mobility μto the electron mobility μis at least 1.0 and no greater than 10.0.'}3. The electrophotographic photosensitive member according to claim 1 , wherein{'sub': h', 'e, 'sup': −5', '2, 'the hole mobility μand the electron mobility μare each no greater than 1.00×10cm/V/second.'}4. The electrophotographic photosensitive member according to claim 1 , whereinthe photosensitive layer contains the charge generating material in a proportion of at least 0.5% by mass and no greater than 2.0% by mass, and{' ...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

An image forming apparatus includes an image bearing member and a static elimination device. The static elimination device irradiates static elimination light onto a circumferential surface of the image bearing member. The image bearing member includes a conductive substrate and a single-layer photosensitive layer. The photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. The static elimination light has a wavelength of at least 600 nm and no greater than 800 nm. The photosensitive layer has an optical absorption coefficient of at least 600 cmand no greater than 1,500 cmwith respect to light having a wavelength of 660 nm. 1. An image forming apparatus comprising:an image bearing member; anda static elimination device configured to irradiate static elimination light onto a circumferential surface of the image bearing member, whereinthe image bearing member includes a conductive substrate and a single-layer photosensitive layer,the single-layer photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin,the static elimination light has a wavelength of at least 600 nm and no greater than 800 nm, and{'sup': −1', '−1, 'the single-layer photosensitive layer has an optical absorption coefficient of at least 600 cmand no greater than 1,500 cmwith respect to light having a wavelength of 660 nm.'}2. The image forming apparatus according to claim 1 , whereinthe charge generating material includes titanyl phthalocyanine, andthe charge generating material is contained in an amount of at least 0.7% by mass and no greater than 1.8% by mass relative to mass of the single-layer photosensitive layer.9. The image forming apparatus according to claim 1 , wherein{'sup': '2', 'an intensity of the static elimination light upon arrival at the circumferential surface of the image bearing member after having been emitted from the ...

CORE/SHELL-TYPE FLUORESCENT DYE-CONTAINING NANOPARTICLE AND PRODUCTION METHOD OF THE SAME

The present invention provides a method of producing core/shell-type fluorescent dye-containing nanoparticles for immunohistochemical staining or live cell imaging, the method including: the step 1 of polymerizing monomers for thermoplastic resin synthesis in the presence of a fluorescent dye and thereby preparing core particles composed of a thermoplastic resin containing the fluorescent dye; and the step 2 of coating the core particles each with a shell layer composed of a thermosetting resin. By the method of producing fluorescent dye-containing nanoparticles according to the present invention, fluorescent dye-containing nanoparticles having a high brightness, whose dye does not elutes into water, physiological saline, culture medium and the like, can be produced, and the fluorescent dye-containing nanoparticles can be effectively utilized in immunohistochemical staining and live cell imaging. 1. A method of producing core/shell-type fluorescent dye-containing nanoparticles for immunohistochemical staining or live cell imaging , said method comprising:the step 1 of polymerizing monomers for thermoplastic resin synthesis in the presence of a fluorescent dye and thereby preparing core particles composed of a thermoplastic resin comprising said fluorescent dye; andthe step 2 of coating said core particles each with a shell layer composed of a thermosetting resin.2. The method of producing core/shell-type fluorescent dye-containing nanoparticles for immunohistochemical staining or live cell imaging according to claim 1 , wherein said thermoplastic resin is a styrene resin claim 1 , an acrylic resin claim 1 , an acrylonitrile resin claim 1 , an AS resin claim 1 , an ASA resin claim 1 , an alkyl methacrylate resin claim 1 , a (poly)alkyl methacrylate resin claim 1 , an acrylamide resin claim 1 , or a resin formed by polymerization of a sulfonic acid group-containing monomer.3. The method of producing core/shell-type fluorescent dye-containing nanoparticles for ...

POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

An electrophotographic photosensitive member includes a photosensitive layer. The photosensitive layer contains a charge generating material, a hole transport material, and a binder resin. The binder resin contains a polyarylate resin represented by general formula (1). In general formula (1), r and s each represent an integer of at least 0 and no greater than 49 and t and u represents an integer of at least 1 and no greater than 50. Furthermore, r+s+t+u=100 and r+t=s+u. X and Y each represent, independently of one another, a divalent group represented by chemical formula (1-1), (1-2), (1-3), or (1-4). 2. The polyarylate resin according to claim 1 , whereinin the general formula (1),r/(r+t) is at least 0.00 and no greater than 0.90, ands/(s+u) is at least 0.00 and no greater than 0.90.3. The polyarylate resin according to claim 1 , whereinin the general formula (1),r/(r+t) is at least 0.20 and no greater than 0.80, ands/(s+u) is at least 0.20 and no greater than 0.80.4. The polyarylate resin according to claim 1 , whereinin the general formula (1),where s represents an integer of at least 1, X and Y are different from each other.5. The polyarylate resin according to claim 1 , whereinin the general formula (1),where s represents an integer of at least 1,either one of p and l represents 2, andthe other of p and l represents 3.6. The polyarylate resin according to claim 1 , whereinin the general formula (1),where s represents 0, Y represents the divalent group represented by the general formula (1-4), andwhere s represents an integer of at least 1, either one of X and Y represents the divalent group represented by the general formula (1-4).7. The polyarylate resin according to claim 1 , whereinin the general formula (1),where s represents an integer of at least 1, X and Y each represent, independently of one another, the divalent group selected from the group consisting of the chemical formula (1-1), the chemical formula (1-2), and the chemical formula (1-3).9. An ...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer is a single-layer photosensitive layer. The photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. The binder resin contains a polyarylate resin. The polyatylate resin is represented by general formula (1). The hole transport material contains a compound represented by general formula (HTM1), (HTM2), (HTM3), (HTM4), (HTM5), (HTM6), or (HTM7). The photosensitive layer has a scratch resistance depth of no greater than 0.50 μm. The photosensitive layer has a Vickers hardness of at least 17.0 HV. 2. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1),X and Y each represent the divalent group represented by the chemical formula (1-1 ), (1-3), (1-4), (1-5), (1-6), or (1-7),X is different from Y, andkr and kt each represent 3.3. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1), s/(s+u) is at least 0.30.4. The electrophotographic photosensitive member according to claim 1 , wherein{'sup': 1', '2', '3', '4', '5', '6', '7', '8, 'in the general formula (HTM1), R, R, R, R, R, R, Rand Reach represent, independently of one another, a hydrogen atom or an alkyl group having 1 to 3 carbon atoms,'}{'sup': 9', '10', '11', '12, 'in the general formula (HTM2), R, R, R, and Reach represent, independently of one another, a hydrogen atom or an alkyl group having 1 to 3 carbon atoms,'}{'sup': 13', '14', '15', '16', '17', '18', '19', '20, 'in the general formula (HTM3), R, R, R, R, R, R, R, and Reach represent, independently of one another, a hydrogen atom or an alkyl group having 1 to 3 carbon atoms,'}{'sup': 21', '22', '23', '24', '25', '26', '27', '28, 'in the general formula (HTM4), R, R, R, R, R, R, R, and Reach represent, independently of one another, a hydrogen atom or an ...

Transfer printing ink and transfer printing method

Provided are a transfer printing ink and a transfer printing method which are advantageous in that an increased number of types of transfer media can be employed. The transfer printing ink of the present invention contains a solvent, a sublimation dye, and a binder resin, wherein the binder resin is dispersed, emulsified, or suspended in the solvent, and the binder resin has a melting point which is higher than the lowest temperature at which the sublimation dye sublimates.

DYE DISPERSION LIQUID, PHOTOSENSITIVE RESIN COMPOSITION FOR COLOR FILTERS, COLOR FILTER, LIQUID CRYSTAL DISPLAY DEVICE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE

A photosensitive resin composition comprising a dye (A), a dispersant (B), a solvent (C), and a photosensitive binder component (D), the dye (A) being dispersed in the solvent (C) by the dispersant (B), wherein the dye (A) is a dye having a sulfonic acid group; the dispersant (B) is a block polymer that contains a block portion comprising a repeating unit having a tertiary amine; the solvent (C) is a solvent having a solubility of the dye (A) of 0.2 (g/100 g solvent) or less at 23° C.; and a micelle is formed by an acid-base interaction between the tertiary amine of the dispersant (B) and the sulfonic acid group of the dye (A). 2. The dye dispersion liquid according to claim 1 , wherein a ratio of a product of an acid value (a) [mg KOH/g] of the dye (A) having a sulfonic acid group and a solid content weight (Wa) [g] of the dye (A) to a product of an amine value (b) [mg KOH/g] of the dispersant (B) and a solid content weight (Wb) [g] of the dispersant (B) claim 1 , satisfies 0.45<(a×Wa)/(b×Wb)≦1.31. The dye dispersion liquid according to claim 1 , wherein the amine value (b) of the dispersant (B) is 60 to 180 mg KOH/g.4. The dye dispersion liquid according to claim 1 , wherein the dye (A) is a dye comprising xanthene claim 1 , anthraquinone or phthalocyanine as a basic skeleton and having a sulfonic acid group.5. (canceled)6. The dye dispersion liquid according to claim 1 , wherein a number of the repeating units having a tertiary amine in the block polymer is 3 to 50 claim 1 , the block polymer being the dispersant (B).7. The dye dispersion liquid according to claim 1 , wherein the dye (A) is a dye having a sulfonic acid group converted from at least one sulfonic acid salt of at least one kind of dye selected from the group consisting of Acid Red 289 claim 1 , Acid Violet 43 claim 1 , Acid Green 25 and Direct Blue 86.8. The dye dispersion liquid according to claim 1 , wherein 50% by weight or more of the solvent (C) is propylene glycol monomethyl ether acetate.9. A ...

METHODS FOR EXTRACTION OF MELANIN FROM FUNGAL SPECIES

The present application discloses methods for extracting melanin from a fungus, where the fungus is (chaga), , or . In the methods, a sample of the fungus is dried and pulverized to form a powder sample. The powder sample is refluxed in a sodium hydroxide solution to form a mixture. The mixture is separated into a liquid portion and a solid portion via centrifugation or vacuum filtration, resulting in the liquid portion including the melanin extract. The separated liquid portion including the melanin is acidified with a hydrochloric acid solution to precipitate the melanin. The precipitated melanin is then isolated via centrifugation or vacuum filtration such that the melanin collects as the pellet or precipitate. The melanin precipitate is then purified by washing with dilute HCl and deionized, distilled water. The purified melanin is then dried to produce the extracted fungal melanin.

Dry dye pad for fishing lures

A dry dye pad for dyeing fishing lures can include: a dye; and a substrate comprising polymer particles suspended in a liquid plasticizer, wherein the substrate forms a permanently plasticized solid after heating and cooling. The substrate can be a plastisol. The plastisol can be heated and cooled to form the dye pad with the dye. The fishing lure can be dyed by contacting at least a portion of the fishing lure to a surface of the dry dye pad. The fishing lure can be dyed in as little as 1 to 3 seconds. The dry dye will not stain a user's skin. A stencil can be placed over the surface of the dry dye pad to create a dyed pattern on the fishing lure. The lure can be dyed with more than one color and patterns to create a lure that resembles bait or prey for fishing.

Black azo pigment and colorant

There are provided: a near-infrared non-absorbing black azo pigment having a sufficient blackness, having an excellent durability such as solvent resistance, and having a novel skeleton; and a colorant that uses the black azo pigment and is useful for forming a black matrix or a light-shielding film. The black azo pigment is represented by the following formula (1), wherein R 1 represents an aryl group optionally having a substituent. In addition, the colorant contains the black azo pigment and is suitable as a material or the like for forming a black matrix for a color filter or for forming a light-shielding film.

PROCESS FOR PREPARING PHOTORESPONSIVE HYBRID ORGANIC-INORGANIC PARTICLES

A process for preparing photoresponsive hybrid organic-inorganic particles comprises (a) combining (1) at least one organosilane compound comprising at least two silicon-bonded groups selected from hydroxyl groups, hydrolyzable groups, and combinations thereof and (2) at least one neat photoactive material, to form a ceramic precursor composition; and (b) allowing or inducing hydrolysis of the hydrolyzable groups and condensation of the organosilane compound to form hybrid organic-inorganic particles comprising the photoactive material. 1. A process for preparing photoresponsive hybrid organic-inorganic particles comprising(a) combining (1) at least one organosilane compound comprising at least two silicon-bonded groups selected from hydroxyl groups, hydrolyzable groups, and combinations thereof, and (2) at least one neat photoactive material, to form a ceramic precursor composition; and(b) allowing or inducing hydrolysis of said hydrolyzable groups and condensation of said organosilane compound to form hybrid organic-inorganic particles comprising said photoactive material.2. The process of claim 1 , wherein said organosilane is in neat form claim 1 , so as to provide a neat ceramic precursor composition.3. The process of claim 1 , wherein said organosilane is selected from monoorganosilanes claim 1 , diorganosilanes claim 1 , and combinations thereof.5. The process of claim 4 , wherein each said R is independently selected from alkyl claim 4 , alkenyl claim 4 , acyl claim 4 , cycloalkyl claim 4 , aryl claim 4 , heteroalkyl claim 4 , heteroalkenyl claim 4 , heterocycloalkyl claim 4 , heteroaryl claim 4 , and combinations thereof; and/or each said X is independently selected from halogen claim 4 , hydrogen claim 4 , alkoxy claim 4 , hydroxyl claim 4 , and combinations thereof.6. The process of claim 4 , wherein each said R is independently selected from alkyl claim 4 , aryl claim 4 , heteroalkyl claim 4 , heteroaryl claim 4 , and combinations thereof; and/or each ...

SOLID COLORANT FOR TINTING PAINT

A solid colorant including a. 30-97 wt % of a pigment, b. less than 5 wt % of a solvent c. 3-40 wt % surfactants and wherein: the ratio S/A [Std dev of the particle size distribution/average particle size] of the solid colorant is <25%, preferably <22% and more preferably <20%, wherein wt % is relative to the total weight of the solid colorant, and wherein the particle size distribution is determined with light scattering with fully automated image analysis according to ISO 13322-1 Static image analysis First edition 2004-12-01 by the use of the OCCHIO ZEPHYR ESR analyzer. A process for making the solid colorant, and the use of the solid colorant for tinting base paints by volumetric dosing of the solid colorant to the base paint. 1. A solid colorant comprising:a. 30-97 wt % of a pigment;b. less than 5 wt % of a solvent;c. 3-40 wt % surfactants;and wherein a ratio S/A of the [Standard dev of the particle size distribution/average particle size] of the solid colorant is <25%, wherein wt % is relative to the total weight of the solid colorant and wherein the particle size distribution is determined with light scattering with fully automated image analysis according to ISO 13322-1 Static image analysis First edition 2004-12-01 by the use of an OCCHIO ZEPHYR ESR analyzer.2. The solid colorant according to claim 1 , wherein the average particle size ranges between 400 and 1400 μm.3. The solid colorant according to claim 1 , wherein the colorant comprisesa. 50-90 wt % of a pigment;b. less than 3 wt % of a solvent;c. 5-30 wt % surfactants;d. 0.1-5 wt % additives;e. 0-20 wt % colorless filler;f. 0-10 wt % binder;wherein the solid colorant has an average particle size between 400 and 1400 μm.4. The solid colorant according to claim 1 , wherein the colorant comprises 0.1 wt % to 5 wt % of an antioxidant based on the total weight of the solid colorant.5. The solid colorant according to claim 1 , wherein the colorant comprises 0.1 wt % to 2 wt % amount of defoaming agent.6. A ...

THERMAL TRANSFER RECORDING SHEET

A thermal transfer recording sheet including a substrate and a yellow coloring material layer, a magenta coloring material layer, and a cyan coloring material layer frame-sequentially formed on the substrate, wherein at least one of the yellow coloring material layer, the magenta coloring material layer, and the cyan coloring material layer contains a compound with a specified structure. 3. The thermal transfer recording sheet according to claim 1 , wherein the compound represented by the formula (1) has a melting point in the range of 40° C. to 200° C.4. The thermal transfer recording sheet according to claim 1 , wherein the compound represented by the formula (2) has a melting point in the range of 0° C. to 100° C. The present disclosure relates to a thermal transfer recording sheet.In recent years, with the spread of 4K and 8K high-definition high-quality portable color display devices, there has been a growing demand for simple color printing of photographs taken with the devices and documents prepared with the devices. Color printing systems for use in such applications include an electrophotography system, an ink jet system, and a thermal transfer recording system. Among them, the thermal transfer recording system is advantageous as a simple printing method available in any ambient environment due to its dry printability and the portability of compact printers. There is also a demand for energy-saving image formation in portable printers for the thermal transfer recording system.Many studies have been performed on thermal transfer sheets for use in the thermal transfer recording system. For example, a thermal transfer sheet that contains thermoplastic molecules and a water-soluble polymer in an ink layer to improve the wear resistance and uniformity of transfer images is proposed (Japanese Patent Laid-Open No. 01-152091). A thermal recording medium that contains a higher fatty acid, higher alcohol, fat or oil, or wax in an adhesive layer to prevent ...

Methods of isolating phenols from phenol-containing media

Methods of isolating phenols from phenol-containing media. The methods include combining a phospholipid-containing composition with the phenol-containing medium to generate a combined medium, incubating the combined medium to precipitate phenols in the combined medium and thereby form a phenol precipitate phase and a phenol-depleted phase, and separating the phenol precipitate phase and the phenol-depleted phase. The methods can further include extracting phenols from the separated phenol precipitate phase. The extracting can include mixing the separated phenol precipitate phase with an extraction solvent to solubilize in the extraction solvent at least a portion of the phenols originally present in the phenol precipitate phase.

STIMULI-RESPONSIVE COMPOSITE PARTICLES AND MANUFACTURING METHOD THEREOF

Provided are stimuli-responsive composite particles which contain microcapsules containing an electron-donating dye precursor and particles of an electron-accepting compound causing the electron-donating dye precursor to develop color, in which the microcapsules are attached to at least a portion of the surface of each of the particles of the electron-accepting compound. Also provided is a manufacturing method of the stimuli-responsive composite particle. 1. Stimuli-responsive composite particles comprising:microcapsules containing an electron-donating dye precursor encapsulated therein; andparticles of an electron-accepting compound causing the electron-donating dye precursor to develop color,wherein the microcapsules are attached to at least a portion of the surface of each of the particles of the electron-accepting compound.2. The stimuli-responsive composite particles according to that are used for any one of pressure measurement or heat measurement.3. The stimuli-responsive composite particles according to claim 1 ,wherein the electron-accepting compound is at least one kind of compound selected from the group consisting of activated clay, acid clay, kaolin, a phenol-based compound, a salicylic acid-based compound, and a hydroxybenzoic acid ester.4. The stimuli-responsive composite particles according to claim 1 ,wherein the electron-accepting compound is at least one kind of compound selected from the group consisting of activated clay, a bisphenol-based compound, and a salicylic acid-based compound.5. The stimuli-responsive composite particles according to claim 1 ,wherein the electron-accepting compound is activated clay and used for pressure measurement.7. The stimuli-responsive composite particles according to claim 1 ,wherein a ratio of a mass of the electron-donating dye precursor to a mass of the particles of the electron-accepting compound is 0.02 to 20.8. The stimuli-responsive composite particles according to claim 5 ,wherein a ratio of a mass of the ...

PIGMENT COMPOSITE PARTICLE, WEATHER RESISTANT COATING COMPOSITION AND WEATHER RESISTANT STRUCTURE EMPLOYING THE SAME

A pigment composite particle is provided. The pigment composite particle is a covalently bonded product of a crosslinking structure having silicon-oxygen bonds and a plurality of organic pigment particles. The plurality of organic pigment particles are dispersed in the crosslinking structure. The chemical structure of the organic pigment particle includes C═O and one or more structures selected from the groups defined in the specification. A weather resistant coating composition and a weather resistant structure employing the same are also provided. 4. The pigment composite particle as claimed in claim 1 , wherein the crosslinking structure having silicon-oxygen bonds is condensated by siloxane compounds having the formula of Si(OR)or Si(OR)R claim 1 , wherein each of R claim 1 , R claim 1 , and Ris independently H or alkyl group.5. The pigment composite particle as claimed in claim 4 , wherein the siloxane compounds comprise tetramethoxysilane (TMOS) claim 4 , tetraethoxysilane (TEOS) claim 4 , tetrabutyl orthosilicate (TBOS) claim 4 , methyltriethoxysilane (MTES) claim 4 , n-propyltriethoxysilane claim 4 , triethoxypentylsilane claim 4 , isobutyltriethoxysilane claim 4 , n-octyltriethoxysilane claim 4 , or a combination thereof.6. The pigment composite particle as claimed in claim 1 , wherein the weight ratio of the crosslinking structure having silicon-oxygen bonds and the organic pigment particles is 1:1-3:1.7. A weather resistant coating claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '100 parts by weight of the pigment composite particle as claimed in ;'}500-1500 parts by weight of a resin; and100-600 parts by weight of a solvent.8. The weather resistant coating as claimed in claim 7 , wherein the resin comprises acrylic resin claim 7 , polyester resin claim 7 , fluorocarbon resin claim 7 , polyamine resin claim 7 , polyimine resin claim 7 , polyether resin claim 7 , epoxy resin claim 7 , urethane resin claim 7 , polystyrene resin (PS ...

METHOD FOR SYNTHESIZING POLYMER/PIGMENT HYBRID LATEX THROUGH SULFUR-FREE AND SOAP-FREE IN-SITU REVERSIBLE ADDITION-FRAGMENTATION CHAIN TRANSFER (RAFT) EMULSION COPOLYMERIZATION

A method for synthesizing a polymer/pigment hybrid latex through sulfur-free and soap-free in-situ reversible addition-fragmentation chain transfer (RAFT) emulsion copolymerization includes the following: dispersing a pigment with a reactive emulsifier to prepare a pigment dispersion; synthesizing an amphiphilic sulfur-free ω-vinyl-terminated polymethyl methacrylate (PMMA) macromolecular RAFT agent in-situ on a surface of pigment particles through catalytic chain transfer polymerization (CCTP); and adding an acrylate monomer dropwise, allowing in-situ sulfur-free RAFT polymerization on a surface of pigment particles through the RAFT agent, and adjusting a structure and a composition of an encapsulated polymer layer to obtain a series of uniformly encapsulated and stably dispersed polymer/organic pigment hybrid latexes. The new hybrid latex prepared through sulfur-free and soap-free in-situ RAFT emulsion copolymerization has the characteristics of high dispersion stability, high pigment encapsulation efficiency, clear encapsulated polymer layer sequence, controllable structure, etc., which is suitable for surface encapsulation modification of various pigments. 1. A method for synthesizing a polymer/pigment hybrid latex through a sulfur-free and soap-free in-situ reversible addition-fragmentation chain transfer (RAFT) emulsion copolymerization , comprising the following steps:(1) dispersing a pigment with a reactive emulsifier to prepare a pigment dispersion;(2) adding a methacrylate comonomer, a cobalt complex as a catalyst, water as a solvent, and a water-soluble initiator to the pigment dispersion to form a first reaction system, and allowing the reaction system to undergo a catalytic chain transfer polymerization (CCTP) to obtain a second reaction system, wherein an RAFT agent is synthesized in-situ on surfaces of pigment particles in the second reaction system;(3) adding an acrylate monomer to the second reaction system with the RAFT agent obtained in step (2), ...

Process for making solid particles

The invention relates to a process of creating particles of controlled size by creating them in the interstitial regions in a continuous liquid phase that contains a second, inert gas phase at high volume fraction; namely a foam. The second phase creates a physical barrier that limits the aggregation of formed particles beyond the size of the narrow interstitial regions occupied by the continuous phase. This technique is useful when the particles normally create large aggregates due to the fast nature of the reaction and the strong attractions between the formed particles, and for enhancing the deposition of high-value materials by connecting them to coacervates of controlled size.

Combined dyeing process

The present invention provides a combined dyeing method that includes: a scouring process (S) of scouring a dyeing target material which is chemically dyed with a chemical dye to remove impurities remaining in the dyeing target material; an eco-friendly dyeing process (S) of dyeing the dyeing target material with an natural dye; a mordanting process (S) of adding a mordant to the dyeing target material to fix the natural dye to the dyeing target material; a cleaning process (S) of removing the mordant remaining in the dyeing target material; and a drying process (S) of drying the dyeing target material. 1. A combined dyeing method comprising:{'b': '12', 'a scouring process (S) of scouring a dyeing target material which is chemically dyed with a chemical dye to remove impurities remaining in the dyeing target material;'}{'b': '13', 'an eco-friendly dyeing process (S) of dyeing the dyeing target material with a natural dye;'}{'b': '14', 'a mordanting process (S) of adding a mordant to the dyeing target material to fix the natural dye to the dyeing target material;'}{'b': '15', 'a cleaning process (S) of removing the mordant remaining in the dyeing target material; and'}{'b': '16', 'a drying process (S) of drying the dyeing target material.'}214. The combined dyeing method of claim 1 , wherein the mordant added in the mordanting process (S) is one or more of quicklime claim 1 , slaked lime claim 1 , aluminum acetate claim 1 , and aluminum chloride.3. A combined dyeing method comprising:{'b': '22', 'a scouring process (S) of scouring a dyeing target material which is chemically dyed with an indigo-added chemical dye to remove impurities remaining in the dyeing target material;'}{'b': '23', 'a reduction dyeing process (S) of dyeing the dyeing target material by adding a dyeing solution to the dyeing target material;'}{'b': '24', 'an oxidizing process (S) of oxidizing the dyeing target material by exposing the dyeing target material to the air;'}{'b': '25', 'a ...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

An electrophotographic photosensitive member () includes a conductive substrate () and a photosensitive layer (). The photosensitive layer () contains a charge generating material and a compound represented by general formula (1) shown below. In general formula (1), Rand Reach represent, independently of one another: a C1-20 alkyl group optionally having at least one of a C6-14 aryl group optionally having a substituent and a C2-20 alkoxycarbonyl group; a C6-14 aryl group optionally having a C1-20 alkyl group; a C3-10 cycloalkyl group; or a C1-6 alkoxy group. 2. The electrophotographic photosensitive member according to claim 1 , whereinin the general formula (1),{'sup': 1', '2, 'Rand Reach represent, independently of one another, an alkyl group having a carbon number of at least 6 and no greater than 20 or an alkyl group having a carbon number of at least 1 and no greater than 5 and having at least one of an aryl group having a carbon number of at least 6 and no greater than 14 and having the substituent and an alkoxycarbonyl group having a carbon number of at least 2 and no greater than 6, and'}the substituent is an alkyl group having a carbon number of at least 1 and no greater than 5.3. The electrophotographic photosensitive member according to claim 1 , wherein{'sup': 1', '2, 'in the general formula (1), Rand Rare the same as each other.'}4. The electrophotographic photosensitive member according to claim 1 , wherein{'sup': 1', '2, 'in the general formula (1), Rand Rare the same as each other and each represent an alkyl group having a carbon number of at least 6 and no greater than 20 or an alkyl group having a carbon number of at least 1 and no greater than 5 and having one alkoxycarbonyl group having a carbon number of at least 2 and no greater than 6.'}6. The electrophotographic photosensitive member according to claim 1 , whereinthe photosensitive layer is a single layer.7. The electrophotographic photosensitive member according to claim 1 , whereinthe ...

Scouring Process for Ring Dyed Denim Fabric and Material Produced Thereof

Ring dyeing of yarn with indigo dye to produce an improved white core, An outer surface of the yarn is scoured prior to applying the indigo dye, and then applying the indigo dye is applied. Scouring parameters of the dyeing are used to limit a penetration of the indigo into the white core, so that the white core has mostly sections of white yarn, and the yarn has indigo dye on the outer surface, said parameters comprising limiting scouring parameters to at least 10% below current parameters used to scour the yarn. 1. A method comprisingdyeing yarn with indigo dye that has an improved white core,said dyeing comprising scouring an outer surface of the yarn prior to applying the indigo dye, and then applying the indigo dye; andusing scouring parameters of the dyeing to limit a penetration of the indigo into the white core, so the white core has mostly sections of white yarn, and the yarn has indigo dye on the outer surface, said parameters comprising limiting scouring parameters to at least 10% below current parameters used to scour the yarn.2. The method as in claim 1 , wherein the parameters claim 1 , include limiting a temperature of the dyeing.3. The method as in claim 2 , wherein the temperature is limited to 30-45° C.4. The method as in claim 2 , wherein the temperature is a highest room temperature experienced year round.5. The method as in claim 1 , wherein the parameters include reducing a concentration of the chemicals used within the scouring stage claim 1 , including reducing a concentration of wetting agents claim 1 , which act as a lubricant in the scour vat to about 2 g/L.6. The method as in claim 1 , wherein the parameters include a caustic concentration of 8 g/L or less of 50% concentration.7. The method as in claim 1 , wherein the parameters include reducing immersion time in a scour vat in which the yarn is initially cleaned.8. The method as in claim 7 , wherein the immersion time is reduced by modifying rollers used to immerse the yarn in the scour ...

COMPOSITION, CURED FILM, COLOR FILTER, LAMINATE, AND PIGMENT DISPERSANT

The composition includes (A) a pigment; and (B) a polymer having (b-1) a bulky amine moiety, (b-2) an acid group, and (b-3) a constituent unit derived from a macromonomer having a weight average molecular weight of 1000 to 50000, in which the bulky amine moiety (b-1) has a nitrogen atom, carbon atoms Xbonded with the nitrogen atom, and carbon atoms Ybonded with the carbon atoms X, and a total carbon number of the carbon atoms Xand the carbon atoms Yis 7 or more. 1. A composition comprising:(A) a pigment; and(B) a polymer having (b-1) a bulky amine moiety, (b-2) an acid group, and (b-3) a constituent unit derived from a macromonomer having a weight average molecular weight of 1000 to 50000,{'sup': 1', '1', '1, 'wherein the bulky amine moiety (b-1) has a nitrogen atom, carbon atoms Xbonded with the nitrogen atom, and carbon atoms Ybonded with the carbon atoms X, and'}{'sup': 1', '1, 'a total carbon number of carbon atoms Xand the carbon atoms Yis 7 or more.'}3. The composition according claim 1 , to claim 1 ,{'sup': 1', '1, 'wherein the total carbon number of the carbon atoms Xand the carbon atoms Yis 8 or more.'}4. The composition according to claim 2 ,{'sup': 2', '2, 'wherein the total carbon number of carbon atoms of Xand Yin General Formula (b-1A) is 8 or more.'}6. The composition according to claim 1 ,wherein an acid value of the polymer (B) is 15 mgKOH/g to 250 mgKOH/g.7. The composition according to claim 1 ,wherein an amine value of the polymer (B) is 0.2 mmol/g to 2.5 mmol/g.8. The composition accord mg to claim 1 , further comprising:a pigment derivative.9. The composition according claim 1 , to claim 1 ,wherein the acid group (b-2) is at least one selected from a carboxyl group, a sulfonic acid group, a phosphoric acid group, an acetoacetyl group, and a phenol group.11. The composition according to claimwherein a content of the constituent unit which has the bulky amine moiety (b-1) is 20 mol % to 70 mol % of all of the constituent units in the polymer (B). ...

MODIFICATIONS OF THE SOL-GEL AND PROCESS THEREOF

Color conversion films for a LCD (liquid crystal display) having RGB (red, green, blue) color filters, as well as such displays, formulations, precursors and methods are provided, which improve display performances with respect to color gamut, energy efficiency, materials and costs. The color conversion films absorb backlight illumination and convert the energy to green and/or red emission at high efficiency, specified wavelength ranges and narrow emission peaks. The color conversion films may comprise at least one of: polydimethylsiloxane hydroxy terminated, dendritic polyol or polyvinylpyrrolidone. 1. A hybrid sol-gel formulation comprising:an epoxy silica ormosil solution comprising TEOS (tetraethyl orthosilicate), at least one silane precursor other than TEOS, and GLYMO ((3-Glycidyloxypropyl) trimethoxysilane);a nanoparticles powder comprising isocyanate-functionalized silica nanoparticles and ethylene glycol;a transition metal alkoxide matrix solution; andat least one rhodamine-based fluorescent (RBF) compound.2. The sol-gel formulation of claim 1 , wherein the GLYMO is polymerized.3. The sol-gel formulation of claim 1 , wherein the formulation further comprises at least one of: polydimethylsiloxane hydroxy terminated claim 1 , dendritic polyol or polyvinylpyrrolidone.4. The sol-gel formulation of claim 1 , wherein the at least one silane precursor comprises at least one of: PhTMOS (trimethoxyphenylsilane) claim 1 , a TMOS (trimethoxysilane) with fluorine substituents claim 1 , FTMOS (trimethoxy(3 claim 1 ,3 claim 1 ,3-trifluoropropyl)silane) claim 1 , FTMOS (tridecafluoro-1 claim 1 ,1 claim 1 ,2 claim 1 ,2-tetrahydrooctyl)trimethoxysilane claim 1 ,1 claim 1 ,2-bis(triethoxysilyl)ethane claim 1 , trimethoxy(propyl)silane claim 1 , octadecyltrimethoxysilane claim 1 , fluorotriethoxysilane claim 1 , and ammonium(propyl)trimethoxysilane.5. The sol-gel formulation of claim 4 , wherein the ratio of the silane precursors is adjusted according to the desired ...

INDIGO DYEING PROCESS AND APPARATUS AND INDIGO DYED YARNS AND FABRICS MADE THEREBY

Processes and apparatus are disclosed which substantially eliminate the formation of oxidized indigo dye before and during dye application onto a natural fiber yarn or fabric while allowing the leuco-indigo dye molecule to diffuse fully into the natural fibers of the yarn where it can fix to the fibers prior to oxidation (i.e., exposure of the leuco-dyed yarns to oxygen). Indigo dyed textile products (e.g., dyed cotton yarns that may be twill woven to form a denim fabric) exhibit exceptionally high colorfastness as determined by the AATCC Crock Test. 1. A continuous process for indigo dyeing of textile products comprising the steps of:(a) introducing an undyed textile product into an oxygen purge chamber having an inert atmosphere(b) transferring the undyed textile product from the purge chamber to a dye application chamber having an anaerobic atmosphere;(c) applying a leuco-indigo dye solution onto the undyed textile product within the anaerobic dye application chamber to form a leuco-indigo dyed textile product;(d) transitioning the leuco-indigo dyed textile product from the dye application chamber into anaerobic dwell chamber to complete diffusion of the leuco-indigo dye within fibers of the textile product; and(e) discharging the leuco-indigo dyed textile product into an oxygen-containing atmosphere to oxidize the leuco-indigo dye applied to the textile product and thereby form an indigo-dyed textile product.2. The process according to claim 1 , which further comprises between steps (d) and (e) a step of:(f) transferring the leuco-indigo dyed textile product to a drying chamber having an anaerobic atmosphere to dry the leuco-indigo dyed textile product.3. The process according to claim 1 , which further comprises the step of advancing the undyed textile product through roller seal assemblies positioned at least at an inlet of the purge chamber and an outlet of the dwell chamber.4. The process according to claim 3 , wherein each of the roller seal assemblies ...

STABILIZED TWO-PART HEMATOXYLIN SOLUTION UTILIZING pH ADJUSTMENT

The present disclosure provides stabilized hematoxylin formulations having a pH of less than 2.4. The present disclosure also provides methods of using such stabilized hematoxylin formulations to stain biological samples. 1. A method of staining a biological sample comprising: (a) increasing a pH of an aliquot of a stabilized hematoxylin formulation having a pH of less than 2.4 to provide a hematoxylin staining solution having a pH ranging from about 2.4 to about2. 6 , wherein the stabilized hematoxylin formulation comprises a hematoxylin dye and an acid in an amount ranging from about 0.2% to about 4% by total volume of the stabilized hematoxylin solution; and (b) contacting the biological sample with the hematoxylin staining solution having the pH ranging from about 2.4 to about 2.6.2. The method of claim 1 , wherein the pH is less than about 2.3.3. The method of claim 1 , wherein the pH is less than about 2.2.4. The method of claim 1 , wherein the pH of the aliquot of the stabilized hematoxylin formulation is increased by adding a readjustment solution comprising a strong base or a buffer.5. The method of claim 4 , wherein the strong base is selected from the group consisting of sodium hydroxide claim 4 , potassium hydroxide claim 4 , lithium hydroxide claim 4 , and ammonia.6. The method of claim 4 , wherein the buffer has a pKa ranging from about 1.5 to about 3.5.7. The method of claim 4 , wherein the readjustment solution comprises an additive selected from the group consisting of a shelf-life extending agent claim 4 , an oxidant claim 4 , and a mordant.8. The method of claim 1 , wherein the pH of the stabilized hematoxylin formulation is increased prior to contacting the biological sample with the hematoxylin staining solution.9. The method of claim 1 , wherein the acid of the stabilized hematoxylin formulation is selected from the group consisting of hydrochloric acid claim 1 , sulfuric acid claim 1 , perchloric acid and nitric acid.10. The method of claim 1 ...

Geometry enhancement of nanoscale energy deposition by x-rays

A principle is established to show that nanoscale energy deposition in water by X-rays can be greatly enhanced via the geometry of nanostructures. The calculated results show that enhancement over background water can reach over 60 times for a single nanoshell made of gold. Other geometries and nanostructures are investigated, and it is found that a shell of gold nanoparticles can generate similar enhancement. The concepts of composition, matrix, and satellite effects are established and studied, all of which can further increase the enhancement of the effect of X-rays.

USE OF QUANTUM DOTS IN PIGMENT DISPERSION LIQUID, PIGMENT DISPERSION LIQUID AND PROCESS FOR PRODUCING THE SAME

The invention relates to use of quantum dots in a pigment dispersion liquid. The invention also relates to a pigment dispersion liquid, which comprises a pigment, quantum dots, a dispersion agent, a dispersing resin and a solvent. The invention also relates to the process for producing the pigment dispersion liquid. The use of quantum dots provided by the invention broadens the application field of the quantum dots and develops the use thereof in the field of liquid crystal display. The pigment dispersion liquid having quantum dots added therein provided by the invention has a significantly improved stability of dispersion. Furthermore, the quantum dots and the organic pigment can interact with each other by adjusting the composition, the size or the like of the quantum dots, so that the properties of the pigment are improved and the contrast thereof is increased. 1. A pigment dispersion liquid , characterized by comprising quantum dots and a pigment.2. The pigment dispersion liquid according to claim 1 , characterized in that the quantum dots are spherical quantum dots.3. The pigment dispersion liquid according to claim 1 , characterized in that the quantum dots are oil soluble quantum dots.4. The pigment dispersion liquid according to claim 1 , characterized in that the quantum dots are quantum dots of which the color generated by stimulated luminescence is same as the color of the pigment in the pigment dispersion liquid.5. The pigment dispersion liquid according to claim 1 , characterized by comprising the following components in terms of part by weight:the pigment: 5 to 30 parts;the quantum dots: 1 to 10 parts;a dispersion agent: 1 to 20 parts;a dispersing resin: 1 to 15 parts; anda solvent: 50 to 100 parts.6. The pigment dispersion liquid according to claim 5 , characterized by comprising the following components in terms of part by weight:the pigment: 5 to 20 parts;the quantum dots: 1 to 5 parts;the dispersion agent: 5 to 15 parts;the dispersing resin: 1 to ...

COLORED ORGANIC PEROXIDE COMPOSITIONS

Stable organic peroxide compositions include at least one organic peroxide (e.g., tert-butyl hydroperoxide), at least one dye (e.g., an FD&C dye), and at least one alcohol (e.g., propylene glycol, tert-butanol, and/or glycerin). 1. A colored organic peroxide composition comprising:at least one organic peroxide,at least one dye, andat least one alcohol.2. The colored organic peroxide composition of claim 1 , wherein the at least one organic peroxide comprises tert-butyl hydroperoxide.3. The colored organic peroxide composition of claim 1 , wherein the at least one dye comprises an organic dye.4. The colored organic peroxide composition of claim 1 , wherein the at least one dye is selected from the group consisting of FD&C Blue #1 claim 1 , FD&C Red #3 claim 1 , FD&C Red #40 claim 1 , FD&C Yellow #6 claim 1 , Purple Shade claim 1 , Grape Shade claim 1 , Blue Liquid claim 1 , Purple Liquid and mixtures thereof.5. The colored organic peroxide composition of claim 1 , wherein the at least one dye is selected from the group consisting of FD&C Blue #1 and FD&C Red #40.6. The colored organic peroxide composition of claim 1 , wherein the at least one alcohol is selected from the group consisting of polyols claim 1 , glycols claim 1 , butyl alcohols claim 1 , triols claim 1 , monosaccharides claim 1 , disaccharides and a combination thereof.7. The colored organic peroxide composition of claim 1 , wherein the at least one alcohol is selected from the group consisting of propylene glycol claim 1 , tert-butanol claim 1 , glycerin claim 1 , and mixtures thereof.8. The colored organic peroxide composition of claim 1 , where the at least one alcohol comprising propylene glycol.9. The colored organic peroxide composition of claim 1 , wherein the at least one alcohol comprises tert-butanol.10. The organic peroxide composition of claim 1 , wherein the at least one alcohol comprises glycerin.11. The colored organic peroxide composition of comprising the at least one peroxide in an ...

Laundry Detergent Composition Comprising A Particle Having Hueing Agent and Clay

The present invention relates to a laundry detergent composition comprising a particle comprising hueing agent and clay. The particle can be incorporated into laundry detergent products, such as a laundry detergent powder. The particle exhibits an excellent storage stability profile with very little bleeding of the hueing dye from the particle, exhibits excellent fabric deposition of the hueing dye during a laundering process without causing any spot staining of the fabric, and does not impact the visual appearance of a laundry detergent powder when incorporated therein.

REVERSIBLE IMINE UV-ABSORBERS

Disclosed are compositions containing a UV-inhibitor, optionally a carrier, and optionally anions; wherein the UV-inhibitor is at least one compound of formula (I) This application claims the benefit of U.S. Provisional Application No. 63/084,965, filed 29 Sep. 2020, which is incorporated herein by reference in its entirety.Disclosed are compositions containing a UV-inhibitor, optionally a carrier, and optionally anions; wherein the UV-inhibitor is at least one compound of formula (I)wherein R1 is an aryl derivative, N-acyl, guanidine or aminoguanidine group, and R2 and R3 are independently an aryl group substituted with a straight or branched chain alkyl or an electron donating or withdrawing group. Also disclosed are methods for protecting a product from UV light, involving applying to said product, in an amount sufficient to protect said product from UV light, a composition containing a UV-inhibitor, optionally a carrier, and optionally anions; wherein said UV-inhibitor is at least one compound of formula (I). Furthermore, there is disclosed methods for providing a reversible dye to a product, involving applying to said product, in an amount sufficient to provide a visible color to said product, a composition containing a UV-inhibitor, optionally a carrier, and optionally anions; wherein said UV-inhibitor is at least one compound of formula (I).UV-absorbing substances protect materials from ultraviolet light, and have been used extensively in paints, coatings, adhesives, plastics, personal care products, fabrics, outdoor furniture, clothing, packaging, and textiles. UV-absorbers can be incorporated into formulas (e.g., sprays, gels, pastes) or protective coatings in order to prevent degradation of UV-sensitive materials such as polymers and colorants (Zayat, M., et al., Chemical Society Reviews, 36(8): 1270-1281 (2007)). Additionally, they are important for prevention of sunburn and long term skin damage including skin cancer (Morabito, K., et al., International ...

HIGH WET FAST DISPERSE DYE MIXTURES OF N-[4-(5-THIOCYANATO-2,4-DINITRO-PHENYLAZO)-PHENYL]-AMINE DERIVATIVES AND N-[4-(4-NITRO-PHENYLAZO)-PHENYL]-AMINE DERIVATIVES

The present invention is directed to dye mixtures comprising dyes of formula (1) and dyes of formula (2), the process of the production and the use of the dye mixtures. 2. The dye mixture according to claim 1 , wherein independent of each other in the at least one dye of formula (1){'sup': '1', 'Ris hydrogen, methyl or methoxy,'}{'sup': '2', 'sub': 1', '2', '1', '2', '1', '2', '2', '1', '2, 'Ris hydrogen, hydroxy, COOH, COO—(C-C)-alkyl, (C-C)-alkyl, —NHCO—(C-C)-alkyl, —NHCO-aryl, —NHCO-benzyl or —NHSO—(C-C)-alkyl,'}{'sup': 3', '4, 'sub': 1', '2', '2', '2', '2', '2', '2', '1', '2', '2', '2', '2', '2', '2', '2', '2', 'm', '1', '2', '2', '2', '2', 'm', '2', '2', '2', 'm', '2', 'n', '1', '2', '2', 'n', '2', 'n', '2', 'n', '2', 'n', '2', 'm', '1', '2', '2', 'n', '2', 'm', '2', 'n', '1', '2', '2', 'n', '2', 'n', '2', 'n', '2', 'm', '2', 'n, 'Rand Ris hydrogen, (C-C)-alkyl, (CH)-phenyl, CH—CH═CH, (CH)—O—(C-C)-alkyl, (CH)—O-phenyl, (CH)—O-benzyl, (CH)—O—(CH)—O—(C-C)-alkyl, (CH)—O—(CH)—O-phenyl, (CH)—O—(CH)—O-benzyl, (CH)—COO—(C-C)-alkyl, (CH)—COO-phenyl, (CH)—COO-benzyl, (CH)—CN, (CH)—COO(CH)—CO—(C-C)-alkyl, (CH)—COO(CH)—CO-benzyl, (CH)—O—CO—(C-C)-alkyl, (CH)—O—CO-phenyl, (CH)—O—CO-benzyl, COO—(CH)-2-furfuryl, (CH)—O—(CH)-2-furfuryl,'}{'sup': 9', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9, 'sub': 2', '2', 'p', '1', '2', '2', 'p', '2', 'p', '2', 'p', '2', 'm', '1', '2', '2', 'p', '2', 'm', '2', 'p', '2', 'm', '2', 'p', '1', '2', '2', 'p', '2', 'p', '2', 'p', '2', 'p', '2', 'm', '1', '2', '2', 'p', '2', 'm', '2', 'p', '2', 'm', '2', 'p', '1', '2', '2', 'p', '2', 'p, 'claim-text': wherein', {'sup': '9', 'sub': 1', '4', '1', '4, 'Ris (C-C)-alkyl or (C-C)-alkyl substituted by —OH or halogen,'}, 'n is 1 or 2,', 'm is 1 or 2 and', 'p is 0 or 1,, 'CHR—CH═CH, CHR—(CH)—O—(C-C)-alkyl, CHR—(CH)—O-phenyl, CHR—(CH)—O-benzyl, CHR—(CH)—O—(CH)—O—(C-C)-alkyl, CHR—(CH)—O—(CH)—O-phenyl, CHR—(CH)—O—(CH)—O-benzyl, CHR—(CH)—COO—(C-C)-alkyl, CHR—(CH)—COO-phenyl, ...

RED THERMOCHROMIC DYES AND THEIR INK COMPOSITIONS

A red leuco dye demonstrates unusually good thermal and photo stability. The red dye may be used with developers and wax carries for microencapsulation to form thermochromic pigments for use in inks, coatings and the like. This pigment is particularly desirable for use in metal-deco coatings, such as those used in aluminum cans in high beverage canning operations. 2. An improved microcencapsulated pigment including the thermochromic dye of .3. An improved coating that contains the microencapsulated pigment of .5. The red thermochromic pigment of having a color transition temperature capable of acting as a level indicator by sensing temperature of the matter retained within the wall in an intended environment of use between −5 to 75° C.6. The red thermochromic pigment of mixed with other colors of thermochromic pigment to produce secondary and/or tertiary colors.7. The red thermochromic pigment of having a color transition temperature capable of acting as a level indicator by sensing temperature of the matter retained within the wall in an intended environment of use between −5 to 75° C. This application claims benefit of priority to U.S. Provisional patent Application No. 61/883,935 filed Sep. 27, 2013, which is hereby incorporated by reference to the same extent as though fully replicated herein.Dyes that change color over a range of temperatures are known as thermochromic dyes. These dyes are used in a leuco dye system formed as a combination of a color former and a developer. These materials are found to generate absorption densities from the leuco dyes when formulated with a carrier that contains one or more fatty ester, fatty alcohol, and fatty amide also known as solvents. The combination of leuco dyes, developers and carrier materials may be used in any combination to achieve desired characteristics and functionalities.Thermochromic dyes can be manufactured to have a color change that is reversible or irreversible. Formulated as inks or dyes, they are used in ...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS

The electrophotographic photoreceptor includes a conductive support, a photosensitive layer disposed on the conductive support, and an outermost layer disposed on the photosensitive layer, in which the outermost layer includes a cured product of a composition containing a polymerizable monomer and two or more kinds of conductive metal oxide particles having different number average primary particle diameters from each other, and at least one of the two or more kinds of conductive metal oxide particles is surface-treated with a surface treating agent having a silicone chain as a side chain. 1. An electrophotographic photoreceptor which is used in an image forming method , the image forming method including:a charging process of charging a surface of the electrophotographic photoreceptor,an exposing process of exposing the charged electrophotographic photoreceptor to form an electrostatic latent image,a developing process of supplying a toner to the electrophotographic photoreceptor on which the electrostatic latent image is formed to form a toner image,a transfer process of transferring the toner image formed on the electrophotographic photoreceptor,a lubricant supply process of supplying a lubricant to the surface of the electrophotographic photoreceptor; anda cleaning process of removing the toner remaining on the surface of the electrophotographic photoreceptor,the electrophotographic photoreceptor comprising:a conductive support; a photosensitive layer disposed on the conductive support; and an outermost layer disposed on the photosensitive layer,wherein the outermost layer includes a cured product of a composition containing a polymerizable monomer and two or more kinds of conductive metal oxide particles having different number average primary particle diameters from each other, andat least one of the two or more kinds of conductive metal oxide particles is surface-treated with a surface treating agent having a silicone chain as a side chain.2. The ...

PIGMENT DISPERSION

Fluid concentrates, colorants and coating compositions contain solid pigment particles dispersed in a nonvolatilizing, reactive liquid diluent having a viscosity less than 1,000 cps and containing at least one molecular species having at least three reactive unsaturated sites. The reactive liquid diluent may serve as one or more of a dispersing medium for the solid pigment particles, a carrier, a coalescent and a humectant, and may crosslink or otherwise cure to form an interpenetrating polymer network in, or crosslink with, a pigmented coating composition containing a film-forming polymeric binder. Embodiments of the reactive liquid diluent can provide colorants and coating compositions having reduced levels of VOCs, conventional carriers, conventional dispersants, conventional coalescents and conventional humectants. 157-. (canceled)58. A concentrate for use in the manufacture of fluid colorants or finished coating compositions , wherein at least 95 wt. % of the concentrate is a mixture of (i) solid pigment particles with (ii) a nonvolatilizing , reactive liquid diluent having a viscosity less than 1 ,000 cps and containing at least one molecular species having at least three reactive unsaturated sites , wherein when the reactive liquid diluent does not by itself stably disperse the pigment particles then the concentrate also contains (iii) one or more pigment wetting or dispersing agents.591. A concentrate according to claim , wherein the pigment comprises titanium dioxide or carbon black.601. A concentrate according to claim , wherein the pigment is 40 to 60 vol. % of the concentrate , 2 to 60 vol. % of the colorant or 1 to 40 vol. % of the coating composition.611. A concentrate according to claim , wherein a molecular species in the reactive liquid diluent has at least four reactive unsaturated sites.621. A concentrate according to claim , wherein the reactive unsaturated sites comprise (meth)allyl ether groups , vinyl ether groups or (meth) acrylate groups.631 ...

Production method for fine organic pigment

The present invention provides the following process for producing a fine organic pigment which is capable of producing the fine organic pigment that has a very small primary particle size and is excellent in filtering property even in a cleaning step, and a fine organic pigment produced by the process; a process for producing a dispersion using the fine organic pigment, and a dispersion produced by the process; and a process for producing an ink using the dispersion. The present invention relates to [1] a process for producing a fine organic pigment, including steps 1 and 2: step 1: kneading a mixture prepared by compounding a raw material organic pigment, a water-soluble inorganic salt, a water-soluble organic solvent and a compound represented by the following formula (1) with each other, the compound being compounded in an amount of not less than 0.8 part by mass and not more than 18.0 parts by mass on the basis of 100 parts by mass of the raw material organic pigment: R 1 O(PO) m (EO) n A (1); and step 2: subjecting the mixture obtained in the step 1 to cleaning treatment with an aqueous solvent and then to filtration, [2] a fine organic pigment produced by the process according to the above aspect [1], [3] a dispersion produced using the fine organic pigment according to the above aspect [2], [4] a process for producing a paste of a fine organic pigment, including the above step 1 and 2, [5] a process for producing a dispersion, including step 3 of subjecting the paste of the fine organic pigment produced by the process according to the above aspect [4], an organic solvent and water to dispersing treatment, and [6] a process for producing an ink, including step 4 of mixing the dispersion produced by the process according to the above aspect [5] with at least one material selected from the group consisting of water and an organic solvent.

PRODUCTION METHOD FOR FINE ORGANIC PIGMENT

The present invention provides a process for producing a fine organic pigment having a very small primary particle size, and a fine organic pigment produced by the process; a process for producing a dispersion using the fine organic pigment, and a dispersion produced by the process; and a process for producing an ink using the dispersion. The present invention relates to [1] a process for producing a fine organic pigment, including step 1 of kneading a mixture prepared by blending a raw material organic pigment, a water-soluble inorganic salt, a water-soluble organic solvent and water with each other, the water being blended in an amount of not less than 0.6 part by mass and not more than 4.0 parts by mass on the basis of 100 parts by mass of the water-soluble inorganic salt; [2] a fine organic pigment produced by the process described in the above [1]; [3] a dispersion produced using the fine organic pigment described in the above [2]; [4] a process for producing a paste of a fine organic pigment, including step 2 of cleaning the kneaded mixture obtained in the step 1; [5] a process for producing a dispersion, including step 3 of subjecting the paste of the fine organic pigment produced by the process described in the above [4], an organic solvent and water to dispersing treatment; and [6] a process for producing an ink, including step 4 of mixing the dispersion produced by the process described in the above [5], with at least one material selected from the group consisting of water and an organic solvent. 1. A process for producing a fine organic pigment , comprising step 1 of kneading a mixture prepared by blending a raw material organic pigment , a water-soluble inorganic salt , a water-soluble organic solvent and water with each other , the water being blended in an amount of not less than 0.6 part by mass and not more than 4.0 parts by mass on the basis of 100 parts by mass of the water-soluble inorganic salt.2. The process according to claim 1 , wherein the ...

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

An electrophotographic photosensitive member, including a support, a charge generating layer on the support, and a charge transporting layer on the charge generating layer, wherein the charge generating layer includes a gallium phthalocyanine crystal, a nitrogen-containing heterocyclic compound having a nitrogen atom having a substituent, and a compound represented by Formula (1) or (2).

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

An electrophotographic photosensitive member, comprising a support, a charge generating layer on the support and a charge transporting layer on the charge generating layer, wherein the charge generating layer comprises a gallium phthalocyanine crystal, a nitrogen-containing heterocyclic compound and a compound represented by Formula (1), wherein a nitrogen atom in a heterocyclic ring of the nitrogen-containing heterocyclic compound has a substituent. 2. The electrophotographic photosensitive member according to claim 1 , wherein the nitrogen-containing heterocyclic compound is pyrrole claim 1 , pyrrolidine claim 1 , morpholine claim 1 , piperazine claim 1 , piperidine claim 1 , 4-piperidone claim 1 , indole claim 1 , phenothiazine claim 1 , phenoxazine or carbazole.3. The electrophotographic photosensitive member according to claim 1 , wherein the substituent bonding to an atom other than the nitrogen atom that forms the ring of the nitrogen-containing heterocyclic compound is a hydrogen atom claim 1 , a substituted or unsubstituted alkyl group claim 1 , a substituted or unsubstituted aryl group claim 1 , a substituted or unsubstituted heterocyclic group claim 1 , a halogen atom claim 1 , a hydroxy group claim 1 , a formyl group claim 1 , an alkenyl group claim 1 , an alkoxy group or an alkyloxycarbonyl group claim 1 ,wherein a substituent of the substituted alkyl group, a substituent of the substituted aryl group and a substituent of the substituted heterocyclic group are a halogen atom, a hydroxy group or a formyl group.5. The electrophotographic photosensitive member according to claim 4 , wherein Rin Formula (2) is a methyl group claim 4 , an ethyl group or a phenyl group.7. The electrophotographic photosensitive member according to claim 6 , wherein Rand Rin Formula (3) are each independently a methyl group claim 6 , an ethyl group or a phenyl group.9. The electrophotographic photosensitive member according to claim 8 , wherein Rin Formula (4) is a methyl group ...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS AND PHTHALOCYANINE CRYSTAL

The present invention provides an electrophotographic photosensitive member comprising a support, and a photosensitive layer formed on the support, wherein the photosensitive layer contains a phthalocyanine crystal in which a 4-piperidone compound represented by the following formula (1) is contained. 2. The electrophotographic photosensitive member according to claim 1 , wherein{'sup': '1', 'the Rin the formula (1) is a formyl group, an acetyl group, a benzoyl group, an alkyloxycarbonyl group, a benzyloxycarbonyl group, an alkenyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group;'}the substituent of the substituted alkyl group is an alkoxy group, a morpholinoalkoxy group, a dialkylamino group, an alkoxycarbonyl group, an aryl group, an aryloxy group, a halogen atom, a cyano group or a morpholino group;the substituent of the substituted aryl group is an alkyl group, an alkoxy group, a dialkylamino group, an alkoxycarbonyl group, a halogen atom, a nitro group, a cyano group, a formyl group or a morpholino group; andthe substituent of the substituted heterocyclic group is an alkyl group, an alkoxy group, a dialkylamino group, an alkoxycarbonyl group, a halogen atom, a nitro group, a cyano group, a formyl group or a morpholino group.3. The electrophotographic photosensitive member according to claim 2 , wherein{'sup': '1', 'the Rin the formula (1) is a substituted or unsubstituted alkyl group, and'}the substituent of the substituted alkyl group is an alkoxy group, a morpholinoalkoxy group, a dialkylamino group, an alkoxycarbonyl group, an aryl group, a halogen atom, a cyano group, or a morpholino group.4. The electrophotographic photosensitive member according to claim 3 , wherein the Rin the formula (1) is a methyl group claim 3 , an ethyl group claim 3 , or a benzyl group.5. The electrophotographic photosensitive member according to claim 2 , wherein{'sup': '1', 'the Rin ...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS FOR PRODUCING THE SAME, AND ELECTROPHOTOGRAPHIC DEVICE

An electrophotographic photoreceptor causing no image defect even in long-term use and has excellent wear performance, a method of producing the same, and an electrophotographic device are provided. The electrophotographic photoreceptor includes a photosensitive layer on a conductive substrate. The slope k of a straight line obtained by plotting the average film density of outermost layer and the boiling point of solvent used for the formation of the outermost layer along the ordinate and the abscissa, respectively, is 1.50E-4 (g/cm·° C.) or greater, and the difference in film density of the outermost layer between the surface side and the side close to the conductive substrate is 0.030 g/cmor less. 1. An electrophotographic photoreceptor comprising a conductive substrate and a photosensitive layer on the conductive substrate , wherein{'sup': '3', 'the slope k of a straight line obtained by plotting the average film density of outermost layer and the boiling point of solvent used for the formation of said outermost layer along the ordinate and the abscissa, respectively, is 1.50E-4 (g/cm·° C.) or greater, and'}{'sup': '3', 'the difference in film density of said outermost layer between the surface side and the side close to said conductive substrate is 0.030 g/cmor less.'}2. The electrophotographic photoreceptor according to claim 1 , wherein said boiling point of said solvent used for said formation of said outermost layer is in a range of 40° C. to 120° C.3. The electrophotographic photoreceptor according to being a negatively-chargeable laminate-type electrophotographic photoreceptor wherein said outermost layer is a charge transport layer.4. The electrophotographic photoreceptor according to claim 3 , wherein the total amount of a charge transport material and a resin binder contained in said charge transport layer is not less than 90% by mass with respect to the solid content of said charge transport layer.5. The electrophotographic photoreceptor according to ...

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

The photosensitive layer of an electrophotographic photosensitive member contains (a) a gallium phthalocyanine crystal, (b) a specific amine compound and (c) a specific polyvinylacetal resin.