WO2014123109A1 - ポリマーコアシェル構造を有したカチオン性エマルション、水性インキ及び記録媒体 - Google Patents
ポリマーコアシェル構造を有したカチオン性エマルション、水性インキ及び記録媒体 Download PDFInfo
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- WO2014123109A1 WO2014123109A1 PCT/JP2014/052533 JP2014052533W WO2014123109A1 WO 2014123109 A1 WO2014123109 A1 WO 2014123109A1 JP 2014052533 W JP2014052533 W JP 2014052533W WO 2014123109 A1 WO2014123109 A1 WO 2014123109A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F257/00—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00
- C08F257/02—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00 on to polymers of styrene or alkyl-substituted styrenes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/28—Emulsion polymerisation with the aid of emulsifying agents cationic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/023—Emulsion inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5245—Macromolecular coatings characterised by the use of polymers containing cationic or anionic groups, e.g. mordants
Definitions
- the present invention relates to a cationic emulsion having a polymer core-shell structure that can be effectively used for inks, paints, recording medium receiving layers, fiber treating agents, and the like.
- a cationic emulsion having a polymer core-shell structure that exhibits water resistance and is excellent in suitability as a coating agent for recording media.
- the present invention also relates to a water-based ink and a recording medium containing such an emulsion.
- the gravure printing ink in general printing, its quality is determined by the printability and printing effect of the printing ink.
- Printability is a property related to the behavior of the ink from when the ink on the printing press is transferred to the substrate to form the printing surface.
- the main properties include ink fluidity, interface suitability, and drying properties.
- the printing effect is the quality of printing exhibited by the ink on which the printing surface is formed, and the characteristics include color tone, gloss, water resistance, blocking resistance and the like.
- the basic composition of ink is composed of colorants (dyes, pigments), vehicles, and auxiliary agents (fluidity adjusting agents, drying property adjusting agents, etc.). Of these, the vehicle has a great influence on printability and printing effect. .
- the basic composition of the vehicle is a binder, wax, solvent, etc. Therefore, the properties of the vehicle greatly change depending on the choice of the binder, and this greatly affects the printability and the quality of the printing effect.
- Binders are roughly classified into solvent-type binders and aqueous binders.
- the solvent-type binder include urethane resins proposed in Japanese Patent Laid-Open No. 9-12956 (Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 9-12956
- an aqueous binder that does not use an organic solvent has been attracting attention because of considerations such as air pollution, fire hazard, and work hygiene.
- aqueous binders examples include alkali-soluble resins typified by styrene / acrylic resins, water-soluble resins typified by polyvinyl alcohol, urethane emulsions (Patent Document 2: JP-A-2-238015), and acrylic emulsions. It is roughly divided into water-dispersed resins.
- the ink when printing using water-based ink with a water-dispersible resin as a binder, the ink is applied to the printing surface at room temperature on a printing machine, and then dried to finish above the glass transition temperature of the water-dispersible resin. It is done. Thus, if it heats more than a glass transition temperature, resin particles will cause the whole to fuse
- the drying property on the printing press among the printability it is necessary to maintain the fluidity of the printing ink on the printing press without drying for as long as possible.
- Patent Document 3 selects from vinyl chloride, (meth) acrylic acid alkyl esters having 1 to 18 carbon atoms and monoalkenylbenzenes.
- a binder for water-based inks comprising a monomer selected from an ethylenically unsaturated monomer having a functional group, an ethylenically unsaturated monomer having a functional group, and other ethylenically unsaturated monomers.
- a binder for water-based inks comprising a monomer selected from an ethylenically unsaturated monomer having a functional group, an ethylenically unsaturated monomer having a functional group, and other ethylenically unsaturated monomers.
- the ink jet recording method is excellent in quietness, recording speed, printing quality, and running cost, and is generally widely used.
- the ink used in this method is water-based ink from the viewpoints of ink physical properties, safety, ease of handling, and the like.
- an ink obtained by dissolving a water-soluble dye such as an acid dye, a direct dye, or a basic dye in a glycol solvent and water (Patent Documents 4 to 6: JP-A-53-61412 and JP-A-2003-61412).
- Patent Documents 4 to 6 JP-A-53-61412 and JP-A-2003-61412
- Japanese Laid-Open Patent Publication No. 54-89811 and Japanese Laid-Open Patent Publication No. 55-65269 are known, but have a drawback of poor water resistance.
- Patent Document 7 JP-A 61-61.
- Patent Document 8 JP-A-8-253716.
- improvement in water resistance and weather resistance was observed, there was room for improvement in terms of pigment dispersibility (change over time).
- the receiving layer of the recording medium particularly the ink jet recording medium
- the ratio of recording methods using water-based inks has been increasing in printers for OA equipment such as personal computers, and the demand for recording materials has been increasing accordingly.
- a recording material having higher properties has been demanded.
- the required properties such as water resistance and color developability are becoming stricter.
- a recording sheet Patent Document 9: JP-A-55-51583 obtained by blending a base paper with a polymer binder such as amorphous silica and polyvinyl alcohol, or a base paper is used.
- Patent Document 10 Japanese Patent Laid-Open No. 56-144854
- an ink receiving layer containing porous pigment particles is provided on both sides.
- a styrene / acrylic acid ester oligomer and / or an acrylic acid ester oligomer having a number average molecular weight of 5,000 to 50,000 can be copolymerized with a vinyl chloride monomer or a vinyl chloride monomer.
- a vinyl chloride resin emulsion obtained by emulsion polymerization in the presence of 40 to 500 parts by mass with respect to 100 parts by mass of a monomer composition containing an unsaturated group-containing monomer has been proposed (Patent Literature). 11: International Publication No.
- the color material receiving layer includes fine particles, a water-soluble resin, and a specific cationic resin (Patent Document 12: Japanese Patent Application Laid-Open Publication No. 2004-2005). -167784) has been proposed, but the surface coating strength was insufficient.
- the present invention has been made in view of the above circumstances, and when used in water-based inks, exhibits excellent substrate adhesion, water resistance, moisture resistance, alcohol resistance, and high glossiness.
- a polymer core component containing a polymer core component mainly composed of vinyl chloride resin and a polymer of a cationic monomer having a specific structure A cationic emulsion having a polymer core-shell structure having a ratio of the core component to the shell component of 25:75 to 75:25 has been found to overcome the above-mentioned problems and have led to the present invention. .
- the present invention provides the following cationic emulsion, aqueous ink and recording medium.
- a polymer core component of an emulsion obtained by polymerizing a monomer having a vinyl chloride monomer as a constituent component.
- R 1 is a hydrogen atom or a methyl group
- R 2 and R 3 are each an alkyl group that may be different
- n and m are each an integer of 1 or more
- X is a halogen atom, a methyl group or Indicates a hydrogen atom.
- styrenes are 30 to 80% by mass
- compounds of the general formula (1) are 20 to 45% by mass
- compounds (2) are 0 to 25% by mass.
- the cationic emulsion according to [1] or [2], wherein the monomer copolymerizable with styrene and the compound of the general formula (1) is 0 to 5% by mass.
- the content of the cationic emulsion is 2 to 30% by mass as a solid content, 0 to 40% by mass of a colorant, 0 to 60% by mass of a water-soluble organic solvent, and 5 to 95% by mass of water.
- the content of the cationic emulsion according to any one of [1] to [3] is 0.1 to 10% by mass as a solid content, 0 to 20% by mass of pigment, and 0 to binder.
- the cationic emulsion of the present invention exhibits excellent substrate adhesion, water resistance, moisture resistance, alcohol resistance, high gloss when used in water-based inks, and when used in a recording medium. Is excellent in color development and water resistance, and is excellent in suitability as a coating agent for recording media, such as binders for inks, paints, inorganic substance dispersions, recording paper receiving layers, fiber treating agents, etc. It can be used effectively.
- R 1 is a hydrogen atom or a methyl group
- R 2 and R 3 are each an alkyl group that may be different
- n and m are each an integer of 1 or more
- X is a halogen atom, a methyl group or Indicates a hydrogen atom.
- the polymer core component (A) of the cationic emulsion having the polymer core-shell structure of the present invention will be described below.
- the constituent components of the monomer for obtaining the component (A) are 80 to 100% by mass of the vinyl chloride monomer and 0 to 20% by mass of the monomer copolymerizable with vinyl chloride.
- Monomers that can be copolymerized with vinyl chloride include vinyl acetate, ethylene, propylene, vinylidene chloride, vinyl carboxylates such as vinyl propionate, and aromatic vinyl monomers such as styrene and ⁇ -methylstyrene.
- Conjugated diene monomers such as 1,3-butadiene, 2-methyl-1,3-butadiene, methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, etc.
- Ethylenically unsaturated monocarboxylic acid esters dimethyl itaconate, diethyl maleate, monobutyl maleate, monoethyl fumarate, dibutyl fumarate, etc., ethylenically unsaturated polycarboxylic acid esters, acrylic acid, methacrylic acid, crotonic acid, etc.
- Ethylenically unsaturated monocarboxylic acids such as fumaric acid, epoxy group-containing monomers such as glycidyl methacrylate, alcoholic hydroxyl group-containing monomers such as 2-hydroxyethyl methacrylate, alkoxyl group-containing monomers such as methoxyethyl acrylate Nitrile group-containing monomers such as acrylonitrile, amide group-containing monomers such as acrylamide, amino group-containing monomers such as dimethylaminoethyl methacrylate, ethylene in one molecule such as divinylbenzene and allyl methacrylate Monomers having two or more ethylenically unsaturated groups are exemplified, and one or two or more of these are selected. Vinyl acetate, ethylenically unsaturated monocarboxylic acid esters, ethylenically unsaturated mono Carbox
- the polymer shell component (B) of the cationic emulsion having the polymer core-shell structure of the present invention only needs to have at least a structure obtained by polymerizing styrenes and a compound represented by the following general formula (1) as monomer units, and a structure obtained by further polymerizing alkyl (meth) acrylates or the like as necessary. You may have.
- General formula (1) Wherein R 1 is a hydrogen atom or a methyl group, R 2 and R 3 are each an alkyl group that may be different, n and m are each an integer of 1 or more, and X is a halogen atom, a methyl group or Indicates a hydrogen atom.
- R 2 and R 3 are alkyl groups, preferably linear, branched or cyclic alkyl groups having 1 to 10 carbon atoms, such as methyl group, ethyl group, A propyl group, a butyl group, etc. can be illustrated.
- Preferred examples of the halogen for X include a chlorine atom and a bromine atom.
- n and m are each preferably 1 to 20.
- styrenes examples include styrene derivatives such as styrene, ⁇ -methylstyrene, vinyltoluene, and divinylbenzene, and styrene is preferable. One of these can be used alone, or two or more of these can be used in combination.
- the amount converted to styrene is not particularly limited, but is preferably 30 to 80% by mass.
- the amount converted to the compound of the general formula (1) is 20 to 45% by mass. If it is less than 20% by mass, agglomerates may be generated, and the stability of the emulsion may be deteriorated.
- the structure obtained by polymerizing the compound of the general formula (1) is introduced into the shell part after the monomer having the tertiary amino group before the quaternization of the compound of the general formula (1) is polymerized with styrenes. It is preferable to quaternize with a quaternizing agent.
- the monomer having a tertiary amino group before the quaternization of the compound of the general formula (1) is, for example, dimethylaminomethyl (meth) acrylate, dimethylaminoethyl (meth) acrylate, dimethylaminopropyl (meth) acrylate, diethylamino
- dimethylaminomethyl (meth) acrylate dimethylaminoethyl (meth) acrylate
- dimethylaminopropyl (meth) acrylate diethylamino
- diethylaminopropyl (meth) acrylate diethylamino
- the quaternizing agent examples include alkylene oxides having 2 to 4 carbon atoms such as propylene oxide and butylene oxide, and halogenated epoxies such as epichlorohydrin and epibromohydrin. These may be used alone or in combination of two or more. The addition amount may be quaternized while adjusting as appropriate, but it is preferable to add 5 to 200 parts by mass with respect to 100 parts by mass of the monomer having a tertiary amino group.
- the alkyl (meth) acrylates [compound (2)] having 1 to 22 carbon atoms in the ester moiety may be any alkyl (meth) acrylates having 1 to 22 carbon atoms in the ester moiety.
- alkyl (meth) acrylates (2) are contained in an amount of 0 to 25% by mass, preferably 5 to 20% by mass.
- the polymer shell component used in the present invention may have a copolymerizable monomer as a structural unit in addition to the styrenes, the compound of the formula (1), and the alkyl (meth) acrylate.
- a copolymerizable monomer as a structural unit in addition to the styrenes, the compound of the formula (1), and the alkyl (meth) acrylate.
- monomers include nonionic monomers such as (meth) acrylamide and (meth) acrylonitrile, dialkyl diesters of maleic acid and fumaric acid, vinyl esters such as vinyl acetate and vinyl propionate, and N-alkyl (meth) ) Acrylamides, methyl vinyl ether and the like.
- Such a monomer may be contained in the cationic core-shell emulsion as long as the object of the present invention is not impaired, and is preferably in the range of 5% by mass or less.
- polymer shell component used in the present invention conventionally known polymerization methods can be applied, for example, solution polymerization using an organic solvent, bulk polymerization without using a solvent, low molecular system or polymer
- An emulsion polymerization in which polymerization is carried out in an aqueous system using a system emulsifier can be applied.
- radical polymerization catalyst used in the polymerization reaction of the component (B) examples include, for example, persulfates such as ammonium persulfate, potassium persulfate, and sodium persulfate, redox polymerization catalysts based on a combination of these persulfates and a reducing agent, Alternatively, azo catalysts such as 2,2′-azobisisobutyronitrile and dimethyl 2,2′-azobis (2-methylpropionate) can be used. Further, if necessary, a known chain transfer agent may be used in combination as appropriate. The amount of the catalyst is usually 0.1 to 2.0% by mass, preferably 0.2 to 1.0% by mass, based on the monomer.
- the polymerization temperature at which the above polymerization is carried out is usually 40 to 95 ° C., preferably 70 to 90 ° C.
- the polymerization time may be set appropriately, but is preferably 5 to 15 hours.
- the solid content is preferably 10 to 50% by mass, more preferably 15 to 35% by mass. If it is less than 10% by mass, the reaction efficiency may be reduced, and if it exceeds 50% by mass, the viscosity may be remarkably increased.
- the cationic emulsion having the polymer core-shell structure of the present invention can be obtained by emulsion polymerization of the polymer core component (A) and the polymer shell component (B). Specifically, after the polymerization vessel is purged with nitrogen, deionized water, polymer core component (A) vinyl chloride, and polymer shell component (B) are charged, and the polymerization temperature described below with stirring, preferably 40 to 80 ° C. Heat to. Furthermore, a polymerization initiator described later is added to cause a polymerization reaction. Thereafter, when the polymerization internal pressure becomes 0 MPa, the residual monomer is removed and cooled to obtain a polymer. It should be noted that the obtained emulsion is not a copolymer of vinyl chloride and a polymer shell component, and that the vinyl chloride resin and the shell component have a core-shell structure is measured by gel permeation chromatography.
- the coating layer surface strength may be inferior when used as a receiving layer for recording paper.
- the component (A) exceeds 75%, a large amount of aggregates are generated. There is a case.
- Examples of the polymerization initiator used in the emulsion polymerization include persulfates such as ammonium persulfate and potassium persulfate, 2,2′-azobis (2-methylpropionamidine) dihydrochloride, and azo such as azobisisobutyronitrile.
- persulfates such as ammonium persulfate and potassium persulfate
- 2,2′-azobis (2-methylpropionamidine) dihydrochloride 2,2′-azobis (2-methylpropionamidine) dihydrochloride
- azo such as azobisisobutyronitrile.
- a well-known redox-type initiator for example, potassium persulfate, sodium hydrogensulfite, etc. are mentioned.
- the amount of the polymerization initiator used is usually 0.1 to 2.0%
- nonionic emulsifiers and cationic emulsifiers can be used in combination as long as the effects of the present invention are not impaired.
- nonionic emulsifiers include polyoxyethylene alkyl phenyl ether, polyoxyethylene alkyl ether, polyoxyethylene fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyalkylene alkyl ether, polyoxyethylene derivative, glycerin.
- Fatty acid esters, polyoxyethylene hydrogenated castor oil, polyoxyethylene alkylamines, alkyl alkanolamides, or acetylene alcohols, acetylene glycols and their ethylene oxide adducts are included.
- Cationic emulsifiers include dodecyltrimethylammonium acetate, trimethyltetradecylammonium chloride, hexadecyltrimethylammonium bromide, trimethyloctadecylammonium chloride, (dodecylmethylbenzyl) trimethylammonium chloride, benzyldodecyldimethylammonium chloride, methyldodecyldi (hydropolyoxy) Ethylene) ammonium chloride, benzyldodecyl di (hydropolyoxyethylene) ammonium chloride, N- [2- (diethylamino) ethyl] oleamide hydrochloride are included.
- a chain transfer agent such as mercaptans, a pH adjuster such as sodium carbonate, and a polymerization aid such as various antifoaming agents can be used within a range not impairing the effects of the present invention.
- the said polymerization adjuvant may be added collectively at an initial stage, may be added continuously, and a part may be added continuously or divided
- the polymerization temperature for carrying out the emulsion polymerization is usually 40 to 80 ° C., preferably 50 to 70 ° C.
- the polymerization time may be set appropriately, but is preferably 10 to 15 hours. This polymerization is desirably performed in an atmosphere of an inert gas such as nitrogen gas.
- the solid content is preferably 10 to 50% by mass, more preferably 20 to 40% by mass. If it is less than 10% by mass, aggregates may be generated, and if it exceeds 50% by mass, a large amount of aggregates may be generated.
- a plasticizer, an inorganic or organic filler, a thickener, etc. can also be added after the completion of the polymerization within a range that does not impair the performance of the binder for water-based ink of the present invention.
- the average particle diameter of the emulsion is 10 to 1,000 nm, preferably 20 to 800 nm, and the viscosity (23 ° C.) is 5 to 1,800 mPa ⁇ s, preferably 10 to 500 mPa ⁇ s.
- the cationic emulsion according to the present invention can be used for various applications, but particularly when used for recording paper, it exhibits excellent color development, water resistance, moisture resistance, high gloss, and is used for water-based inks. In some cases, it gives water resistance, moisture resistance, color visibility, high gloss, and excellent alcohol resistance.
- a coloring agent, a water-soluble organic solvent, various additives, water, and the like are blended in the vinyl chloride resin emulsion, and a known disperser, mixer, It can be produced by dispersing and mixing with a kneader or the like.
- the content of the vinyl chloride resin emulsion in the water-based ink is preferably 2 to 30% by mass, particularly 5 to 20% by mass as the solid content.
- colorant dyes, pigments and the like can be used, and it is preferable to contain 3 to 40% by mass, particularly 5 to 30% by mass in the water-based ink.
- water-soluble organic solvents examples include ethylene glycol monoether, diethylene glycol monoether, propylene glycol monoether, ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, ethylene glycol, diethylene glycol, propylene glycol, glycerin, methanol, ethanol, isopropyl alcohol, methyl ethyl ketone, methyl cellosolve, Ethyl cellosolve, acetone, ethyl acetate, diacetone alcohol and the like can be used, and the content is preferably 0 to 60% by mass, particularly 0 to 50% by mass in the aqueous ink.
- Water is preferably contained in the water-based ink in an amount of 5 to 95% by mass, preferably 5 to 93% by mass, particularly 10 to 90% by mass.
- the additive include a pigment dispersant, a leveling agent, an antifoaming agent, and the like, and these additives can be used at a normal dose in water-based ink.
- the cationic emulsion (vinyl chloride resin emulsion) of the present invention when used for recording paper, it can be suitably used particularly for forming a receiving layer of recording paper.
- This cationic emulsion vinyl chloride resin emulsion is blended with pigments, binders, various additives, water, etc., and dispersed and mixed with a known disperser, mixer, kneader, etc., and the recording paper receiving layer Etc. can be produced.
- the content of the emulsion in the composition for forming a receiving layer is preferably 0.1 to 10% by mass, particularly 0.3 to 7% by mass as a solid content.
- amorphous synthetic silica aluminum silicate, magnesium silicate, precipitated calcium carbonate, heavy calcium carbonate, calcium silicate, aluminum hydroxide, zeolite, calcined clay, kaolin clay, talc, white carbon, etc. are blended.
- it is preferably 0 to 20% by mass, and if used, 5 to 20% by mass is preferable.
- polyvinyl alcohol including silanol-modified polyvinyl alcohol, carboxyl-modified polyvinyl alcohol, etc.
- polyvinyl acetal oxidized starch, etherified starch, carboxymethylcellulose, hydroxyethylcellulose, casein, gelatin, acrylamide resin, and various water-soluble substances
- the amount of the binder used is determined in consideration of the printability of the recording medium, the strength of the coating layer, the surface glossiness, the paint liquid property, and the like. Usually, it is 0.1 to 20% by mass, preferably 0.3 to 10% by mass in the receiving layer forming composition. If it is less than 0.1% by mass, the coating layer strength may be lowered. If it exceeds 20% by mass, the ink absorbability may be lowered.
- Water is 5 to 99.8% by mass, preferably 10 to 90% by mass, and more preferably 30 to 80% by mass in the receiving layer forming composition.
- cationic polymers cationic polymers, dispersants, thickeners, preservatives, antifoaming agents, colored dyes, color pigments, fluorescent whitening agents, water resistance agents, antioxidants, UV absorption for fixing inks for inkjet recording
- An additive such as an agent can be appropriately selected and added.
- the receiving layer-forming composition is applied to a support such as commercially available paper by a coating method such as a brush coater, an air knife coater, a curtain coater, a Mayer bar coater, a gravure coater, or a roll coater. It can be produced by coating and drying so as to be ⁇ 30 g / m 2 (dry polymerization solid content), preferably 1 to 25 g / m 2 .
- LA lauryl acrylate
- BA butyl acrylate
- DM dimethylaminoethyl methacrylate
- EPi epichlorohydrin
- Example 1 In a polymerization vessel equipped with a stirrer, condenser, thermometer and nitrogen gas inlet, after nitrogen substitution, 9 parts of deionized water, 8.8 parts of vinyl chloride, and 81 parts of polymer shell component B-1 were charged and stirred. Warmed to 60 ° C. Further, 0.2 part of 2,2′-azobis (2-methylpropionamidine) dihydrochloride (initiator) was dissolved in 1 part of deionized water and added to cause polymerization reaction. When the polymerization internal pressure reached 0 MPa, the residual monomer was removed to 1,000 ppm in a vacuum, and then cooled to 40 ° C. or lower to obtain a polymer.
- 2,2′-azobis (2-methylpropionamidine) dihydrochloride initiator
- the solid content was 25%, the pH was 4.5, and the viscosity of a B-type viscometer (23 ° C.) was 50 mPa ⁇ s.
- Table 1 shows the results.
- ⁇ PH measurement method The vinyl chloride resin emulsion is directly measured using a pH meter according to JIS Z 8802 (pH measurement method).
- ⁇ B type viscometer viscosity measurement method The liquid temperature of the vinyl chloride resin emulsion is maintained at 23 ⁇ 0.5 ° C. and measured with a BM viscometer (No. 1 rotor, 6 rpm).
- ⁇ Average particle size> It measures using a light-scattering type particle diameter measuring apparatus.
- Sample preparation Take a sample in a disc and dilute with 25 ° C. pure water. 2. The diluted sample is filtered through a 300 mesh filter cloth. Measurement liquid temperature 25 °C Accumulation count 100 times Measurement count 1 time [measurement] Confirm that the concentration is appropriate and measure under the above measurement conditions. Confirm that the measurement results are good.
- Examples 2 to 6 With the composition shown in Table 2, the same polymerization as in Example 1 was performed to obtain a cationic emulsion.
- Comparative Example 2 In the same manner as in Comparative Example 1, the composition shown in Table 2 was polymerized using an emulsifier (cation 2ABT: manufactured by NOF Corporation) to obtain an emulsion.
- emulsifier cation 2ABT: manufactured by NOF Corporation
- Gloss Sample A was measured with a gloss meter PG-1M (manufactured by Nippon Denshoku Industries Co., Ltd.), a value of 60 ° was read, and judged according to the following criteria.
- ⁇ Gloss value is 90 or more
- ⁇ Gloss value is 70 or more and less than 90
- ⁇ Gloss value is less than 70
- Alcohol resistance Sample A was set in a Gakushin type dyeing friction fastness tester (manufactured by Yasuda Seiki Seisakusho), and 25 friction tests were performed using gauze moistened with ethanol, and the determination was made according to the following criteria. ⁇ : No color transfer to gauze ⁇ : Color transfer is observed ⁇ : Color transfer is complete, and the color of the printed surface falls
- Sample B was prepared with 20 parts of carbon black MA100 (Mitsubishi Paper Co., Ltd.), 67 parts of Examples and Comparative Examples, and 13 parts of ion-exchanged water.
- Coating solution viscosity The coating solution temperature was maintained at 25 ⁇ 0.5 ° C. and measured with a BM viscometer.
- the cationic emulsions of the present invention of Examples 1 to 6 are superior in alcohol resistance as compared to the emulsion of Comparative Example 1 using a polymer shell component different from the present invention. I understand. Moreover, it turns out that it is excellent in water resistance, moisture resistance, glossiness, and alcohol resistance compared with the emulsion of the comparative example 2 using a normal cationic surfactant. Furthermore, it turns out that it is excellent in water resistance and moisture resistance compared with the cationic emulsion which consists only of the polymer shell component of this invention of the comparative example 3.
- the cationic emulsions of the present invention of Examples 1 to 6 were compared with emulsions using a polymer shell component different from that of the present invention of Comparative Example 1 and using ordinary cationic surfactants. Compared with the emulsion of Example 2, it can be seen that the adhesion is excellent. Moreover, it turns out that it is excellent in a color tone, adhesiveness, and a dispersibility compared with the cationic emulsion which consists only of the polymer shell component of this invention of the comparative example 3.
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Abstract
Description
〔1〕 下記(A)及び下記(B)からなり、質量比で下記(A):下記(B)=25:75~75:25であることを特徴とするポリマーコアシェル構造を有したカチオン性エマルション。
(A)塩化ビニル単量体を構成成分として有するモノマーを重合して得られるエマルションのポリマーコア成分。
(B)スチレン類と下記一般式(1)の化合物、又は、スチレン類と下記一般式(1)の化合物と化合物(2)としてエステル部位の炭素数が1~22の(メタ)アクリルエステルとを構成成分として有するモノマー混合物を重合して得られる構造を有し、下記一般式(1)の化合物が上記モノマー混合物中20~45質量%であるエマルションのポリマーシェル成分。
一般式(1):
〔2〕 (A)のポリマーコア成分におけるモノマーの構成成分が、塩化ビニル単量体が80~100質量%、塩化ビニルと共重合可能なモノマーが0~20質量%である〔1〕記載のカチオン性エマルション。
〔3〕 (B)のポリマーシェル成分におけるモノマー混合物の構成成分として、スチレン類が30~80質量%、一般式(1)の化合物が20~45質量%、化合物(2)が0~25質量%、スチレンと一般式(1)の化合物と共重合可能なモノマーが0~5質量%である〔1〕又は〔2〕記載のカチオン性エマルション。
〔4〕 〔1〕~〔3〕のいずれかに記載のカチオン性エマルションを含有する水性インキ。
〔5〕 上記カチオン性エマルションの含有量が固形分として2~30質量%であり、更に着色剤を0~40質量%、水可溶性有機溶剤を0~60質量%、水を5~95質量%含有する〔4〕記載の水性インキ。
〔6〕 〔1〕~〔3〕のいずれかに記載のカチオン性エマルションの塗膜を有する記録媒体。
〔7〕 〔1〕~〔3〕のいずれかに記載のカチオン性エマルションの含有量が固形分として0.1~10質量%であり、更に顔料を0~20質量%、結着剤を0.1~20質量%含有し、残部が水又は水と水可溶性有機溶剤である組成物の塗膜を有する記録媒体。
〔8〕 塗膜が受理層を形成する〔6〕又は〔7〕記載の記録媒体。
(A)塩化ビニルを構成成分として有するモノマーを重合して得られるエマルションのポリマーコア成分。
(B)スチレン類と下記一般式(1)の化合物、又は、スチレン類と下記一般式(1)の化合物と化合物(2)としてエステル部位の炭素数が1~22の(メタ)アクリルエステルとを構成成分として有するモノマー混合物を重合して得られる構造を有し、下記一般式(1)の化合物が上記モノマー混合物中20~45質量%であるエマルションのポリマーシェル成分。
一般式(1):
(A)成分を得るためのモノマーの構成成分は、塩化ビニル単量体80~100質量%、塩化ビニルと共重合可能なモノマーが0~20質量%である。
ポリマーシェル成分は、モノマー単位としてスチレン類及び下記一般式(1)の化合物を重合させた構造を少なくとも有していればよく、必要に応じてアルキル(メタ)アクリレート類等を更に重合させた構造を有していてもよい。
一般式(1):
n、mはそれぞれ、好ましくは1~20である。
(B)成分中、スチレン類に換算した量は特に限定しないが、30~80質量%が好ましい。
一方、(B)成分中、一般式(1)の化合物に換算した量は20~45質量%である。20質量%未満であると凝集物が発生し、エマルションの安定性が悪化する場合があり、45質量%を超えると塗膜強度が低下し、本発明のカチオン性エマルションの性能に悪影響を及ぼすおそれがある。
前記一般式(1)の化合物を重合させた構造をシェル部に導入するのは、前記一般式(1)の化合物の4級化前の3級アミノ基を有するモノマーをスチレン類と重合した後、四級化剤により4級化することが好ましい。
触媒量としては、単量体に対して、通常は0.1~2.0質量%、好ましくは0.2~1.0質量%である。
具体的には、重合容器を窒素置換後、脱イオン水、ポリマーコア成分である(A)塩化ビニル、ポリマーシェル成分(B)を仕込み、撹拌しながら後述する重合温度、好ましくは40~80℃に加温する。更に、後述する重合開始剤を添加して重合反応させる。その後、重合内圧が0MPaになった時点で、残存モノマーを除去し、冷却して重合体を得る。なお、得られたエマルションが塩化ビニルとポリマーシェル成分の共重合体ではなく、塩化ビニル樹脂とシェル成分がコアシェル構造であることはゲルパーミッションクロマトグラフにより測定する。
[合成例1]ポリマーシェル成分(B-1)の製造
撹拌機、温度計、還流冷却管及び窒素導入管を付けた1リットルの四つ口フラスコにスチレン141.8部(71.6%)、ジメチルアミノエチルメタクリレート35.5部(17.9%)、2,2’-アゾビスイソブチロニトリル1.8部及びイソプロピルアルコール50.7部を仕込み、85℃で3時間保持し、次いで2,2’-アゾビスイソブチロニトリルを1.8部仕込み、更に同温度で6時間保持した。次いで、90%酢酸15.5部を加えた後、水558部を加え、水に溶解させてから、イソプロピルアルコールの留去を行った。次いで、水27.7部を加え、エピクロロヒドリン20.9部(10.5%)を加え、80℃で2時間反応し、水198部を加えて固形分20%のポリマーシェル成分B-1を得た。
合成例1と同様の反応器に表1に示す配合比で所定のモノマーを仕込み、ポリマーシェル成分B-2、B-3、B-4、B-5を得た。
撹拌機、コンデンサー、温度計及び窒素ガス導入口を備えた重合容器に、窒素置換後、脱イオン水9部、塩化ビニル8.8部、ポリマーシェル成分B-1を81部仕込み、撹拌しながら60℃に加温した。更に2,2’-アゾビス(2-メチルプロピオンアミジン)二塩酸塩(開始剤)0.2部を脱イオン水1部に溶解させて添加して重合反応させた。
重合内圧が0MPaになった時点で、残存モノマーを真空にて1,000ppmまで除去し、その後40℃以下まで冷却して重合体を得た。固形分25%、pH4.5、B型粘度計粘度(23℃)50mPa・sであった。表1に結果を示す。なお、得られたカチオン性エマルション(塩化ビニル系樹脂エマルション)がポリマーコアシェル構造であることはGPCにより測定した。
<固形分測定方法>
塩化ビニル系樹脂エマルション約1gをアルミ箔製の皿にはかり取り、105~110℃に保った乾燥器に入れて1時間加熱した後、乾燥器より取り出してデシケーターの中にて放冷する。試料の乾燥後の重さをはかり、次の式により固形分を算出する。
W:乾燥前の試料を入れたアルミ箔皿の重量(g)
A:アルミ箔皿の重量(g)
D:乾燥後の試料を入れたアルミ箔皿の重量(g)
★アルミ箔皿の寸法:70φ・12h(mm)
塩化ビニル系樹脂エマルションをそのまま、JIS Z 8802(pH測定方法)によりpHメーターを用いて測定する。
塩化ビニル系樹脂エマルション液温を23±0.5℃に保持し、BM型粘度計(No.1ローター、6rpm)にて測定する。
光散乱型粒子径測定装置を用いて測定する。
サンプル調製
1.ディスカップにサンプルを採取し、25℃純水にて希釈する。
2.希釈したサンプルを300メッシュ濾布にてろ過する。
測定液温 25℃
積算回数 100回
測定回数 1回
〔測定〕
適正濃度であることを確認し、上記測定条件にて測定する。
測定結果が良好であることを確認する。
表2に示すような組成で、実施例1と同様の重合を実施して、カチオン性エマルションを得た。
撹拌機、コンデンサー、温度計及び窒素ガス導入口を備えた重合容器に、窒素置換後、脱イオン水22.5部、塩化ビニル10.5部、JONCRYL JDX-6500(BASF社製アクリル酸エステルオリゴマー)65部(有効成分30%)を仕込み、撹拌しながら60℃に加温した。更に過硫酸アンモニウム(開始剤)0.1部を脱イオン水1部に溶解させて添加して重合反応させた。
重合内圧が0MPaになった時点で、残存モノマーを真空にて1,000ppmまで除去し、その後40℃以下まで冷却して重合体を得た。固形分30%、pH7.5、B型粘度計粘度(23℃)10mPa・sであった。表2に結果を示す。
表2に示すような組成で、比較例1と同様に、乳化剤(カチオン2ABT:日油社製)を用いて重合をして、エマルションを得た。
合成例1で得られたB-1のみを使用した。
表2に示すような組成で、実施例1と同様の重合を実施して、カチオン性エマルションを得た。
実施例、比較例で得られたエマルション100質量部に市販顔料 DISPERS RED SD-1011(大日本インキ社製)を1質量部添加した下記組成比のものを試料とした。卓上印刷機(GRAVO-PROOF CM、日商グラビア社製)に試料をセットし、印刷ロールを1回転させ、市販の紙に印刷し、試料Aとした。
塩化ビニル系樹脂エマルジョン 25質量部(固形分)
顔料 1質量部
水 75質量部
試料Aを学振形染色摩擦堅ろう度試験機(安田精機製作所製)にセットし、水で湿らせたガーゼを用いて25回摩擦試験を実施し、下記の基準に従って判定した。
○:ガーゼへの色移りなし
△:色移りが見られる
×:完全に色移りし、印刷面の色が落ちる
試料Aを50℃、湿度90%で1日静置し、下記の基準に従って判定した。
○:印刷部位に滲みがない
△:印刷部位から少し滲みが見られる
×:完全に滲む
試料AをグロスメーターPG-1M(日本電色工業社製)で測定し、60°の値を読み取り、下記の基準に従って判定した。
○:グロス値が90以上
△:グロス値が70以上90未満
×:グロス値が70未満
試料Aを学振形染色摩擦堅ろう度試験機(安田精機製作所製)にセットし、エタノールで湿らせたガーゼを用いて25回摩擦試験を実施し、下記の基準に従って判定した。
○:ガーゼへの色移りなし
△:色移りが見られる
×:完全に色移りし、印刷面の色が落ちる
[インクの調製]
カーボンブラックMA100(三菱製紙社製)20部、実施例、比較例の塩化ビニル系樹脂エマルション67部、イオン交換水13部にて調製したものを試料Bとした。
調製した試料Bを、市販の紙にバーコーターNo.4にて塗工し、40℃で30秒間乾燥した。得られた塗工紙と調製した試料の外観を下記の基準で目視により判定した。
○:色調が同等
△:黒色濃度が不足する
×:色見が変化している
調製した試料Bを、軟質塩ビフィルム・スーパーフィルムノンタックE(オカモト社製)にバーコーターNo.4にて塗工し、40℃で30秒間乾燥した。得られた塗工品に、セロテープ(ニチバン社製、登録商標)を貼り付けた後剥離し、下記の基準で判定した。
○:剥離なし
△:一部剥離あり
×:完全剥離
調製した試料Bを常温で1週間放置し、経時沈降を下記の基準で目視により判定した。
○:沈降なし
△:沈降するが再撹拌可能
×:沈降し復元せず
[受理層の調製]
顔料として合成シリカ100部、結着剤としてポリビニルアルコール(PVA117:クラレ社製)10部、表2の各エマルションを固形分で10部、更にカチオン性ポリマー(DK6852:星光PMC社製)を固形分で5部用い、下記の組成比で固形分濃度21%のインク受理層用塗工液を得た。続いて、このインク受理層用塗工液をバーコーターNo.7で塗工量が8g/m2となるように市販の紙に塗工し、150℃で20秒間乾燥し、試料Cとした。
塩化ビニル系樹脂エマルジョン 1.7%(固形分)
DK6852 0.8%(固形分)
合成シリカ 16.8%
ポリビニルアルコール 1.7%
水 79.0%
塗工液液温を25±0.5℃に保持し、BM型粘度計にて測定した。
学振型摩擦試験機(テスター産業社製)に、荷重500gの重りをセットし、試料Cの表面同士を100往復擦って、表面傷の程度を目視により評価した。
○:表面傷の発生がなかった
△:表面傷のわずかな発生があった
×:表面全体に傷の発生があった
EPSON PX-101で、試料Cに黒、イエロー、シアン、マゼンダの4色でベタを印刷し、各色の印字濃度を下記の基準で目視により判定した。
○:色抜けがなく鮮明に印刷されている
△:一部に色抜けがある
×:色抜けがあり、色褪せている
EPSON EP-302で、試料Cに黒、イエロー、シアン、マゼンダの4色で格子パターンを印刷した紙をイオン交換水(25℃)に30秒間浸漬し、印刷部位のにじみを、下記の基準に従って目視により判定した。
○:印刷部位に滲みがない
△:印刷部位から少し滲みが見られる
×:完全に滲む
また、評価IIの結果から、実施例1~6の本発明のカチオン性エマルションは、比較例1の本発明とは異なるポリマーシェル成分を使用したエマルションや通常のカチオン系界面活性剤を用いた比較例2のエマルションと比較して、密着性に優れることが分かる。また、比較例3の本発明のポリマーシェル成分だけからなるカチオン性エマルションと比較して色調、密着性、分散性に優れることが分かる。
また、評価IIIの結果から、実施例1~6の本発明のカチオン性エマルションは、比較例1の本発明とは異なるポリマーシェル成分を使用したエマルションや通常のカチオン系界面活性剤を用いた比較例2のエマルションと比較して、塗工液粘度を低下させる効果があることが分かる。また、比較例1のエマルションと比較して、塗工層表面強度に優れることが分かる。更に、比較例3の本発明のポリマーシェル成分だけからなるカチオン性エマルションと比較して塗工層表面強度等が優れることが分かる。
Claims (8)
- 下記(A)及び下記(B)からなり、質量比で下記(A):下記(B)=25:75~75:25であることを特徴とするポリマーコアシェル構造を有したカチオン性エマルション。
(A)塩化ビニル単量体を構成成分として有するモノマーを重合して得られるエマルションのポリマーコア成分。
(B)スチレン類と下記一般式(1)の化合物、又は、スチレン類と下記一般式(1)の化合物と化合物(2)としてエステル部位の炭素数が1~22の(メタ)アクリルエステルとを構成成分として有するモノマー混合物を重合して得られる構造を有し、下記一般式(1)の化合物が上記モノマー混合物中20~45質量%であるエマルションのポリマーシェル成分。
一般式(1):
- (A)のポリマーコア成分におけるモノマーの構成成分が、塩化ビニル単量体が80~100質量%、塩化ビニルと共重合可能なモノマーが0~20質量%である請求項1記載のカチオン性エマルション。
- (B)のポリマーシェル成分におけるモノマー混合物の構成成分として、スチレン類が30~80質量%、一般式(1)の化合物が20~45質量%、化合物(2)が0~25質量%、スチレンと一般式(1)の化合物と共重合可能なモノマーが0~5質量%である請求項1又は2記載のカチオン性エマルション。
- 請求項1~3のいずれか1項記載のカチオン性エマルションを含有する水性インキ。
- 上記カチオン性エマルションの含有量が固形分として2~30質量%であり、更に着色剤を0~40質量%、水可溶性有機溶剤を0~60質量%、水を5~95質量%含有する請求項4記載の水性インキ。
- 請求項1~3のいずれか1項記載のカチオン性エマルションの塗膜を有する記録媒体。
- 請求項1~3のいずれか1項記載のカチオン性エマルションの含有量が固形分として0.1~10質量%であり、更に顔料を0~20質量%、結着剤を0.1~20質量%含有し、残部が水又は水と水可溶性有機溶剤である組成物の塗膜を有する記録媒体。
- 塗膜が受理層を形成する請求項6又は7記載の記録媒体。
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JP2014560766A JP6237651B2 (ja) | 2013-02-07 | 2014-02-04 | ポリマーコアシェル構造を有したカチオン性エマルション、水性インキ及び記録媒体 |
CN201480007846.6A CN104968695B (zh) | 2013-02-07 | 2014-02-04 | 具有聚合物核壳结构的阳离子性乳液、水性墨和记录介质 |
US14/760,666 US9469714B2 (en) | 2013-02-07 | 2014-02-04 | Cationic emulsion having polymer core-shell structure, aqueous ink, and recording medium |
KR1020157021821A KR102148528B1 (ko) | 2013-02-07 | 2014-02-04 | 폴리머 코어 셸 구조를 가진 양이온성 에멀션, 수성 잉크 및 기록매체 |
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WO2023171695A1 (ja) * | 2022-03-08 | 2023-09-14 | 株式会社カネカ | 複合樹脂粒子の製造方法、複合樹脂粒子、複合樹脂粒子を用いた成形体、インク及び塗料 |
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WO2020197550A1 (en) * | 2019-03-27 | 2020-10-01 | Hewlett-Packard Development Company, L.P. | Fabric printable medium |
CN116003671A (zh) * | 2022-12-27 | 2023-04-25 | 河北昊泽化工有限公司 | 一种阳离子啤酒标签抗碱乳液的制备方法及生产设备 |
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US9469714B2 (en) | 2016-10-18 |
US20150353670A1 (en) | 2015-12-10 |
KR102148528B1 (ko) | 2020-08-26 |
JP6237651B2 (ja) | 2017-11-29 |
KR20150115801A (ko) | 2015-10-14 |
CN104968695A (zh) | 2015-10-07 |
JPWO2014123109A1 (ja) | 2017-02-02 |
CN104968695B (zh) | 2017-05-10 |
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