WO2000018840A1 - Composition a base de resine, resine liante pour poudre a imprimer et poudre a imprimer - Google Patents
Composition a base de resine, resine liante pour poudre a imprimer et poudre a imprimer Download PDFInfo
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- WO2000018840A1 WO2000018840A1 PCT/JP1999/005281 JP9905281W WO0018840A1 WO 2000018840 A1 WO2000018840 A1 WO 2000018840A1 JP 9905281 W JP9905281 W JP 9905281W WO 0018840 A1 WO0018840 A1 WO 0018840A1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08775—Natural macromolecular compounds or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08706—Polymers of alkenyl-aromatic compounds
- G03G9/08708—Copolymers of styrene
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08737—Polymers derived from conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
Definitions
- the present invention relates to a toner used for developing an electrostatic latent image formed in an electrophotographic method, an electrostatic recording method, an electrostatic printing method, and the like, a binder resin used for the toner, and a resin composition as a material thereof.
- a toner used for developing an electrostatic latent image formed in an electrophotographic method an electrostatic recording method, an electrostatic printing method, and the like
- a binder resin used for the toner and a resin composition as a material thereof.
- Japanese Patent Application Laid-Open No. 56-19552 discloses a toner having a high affinity for paper and A method has been proposed in which a polyester resin having a low fixing temperature is used despite its high softening temperature and glass transition temperature.
- a polyester resin having a low fixing temperature is used despite its high softening temperature and glass transition temperature.
- both properties have not yet been sufficiently satisfied at the same time, and the cohesive energy density of the polyester resin has been low.
- pulverization at the time of toner production becomes difficult because of its high cost.
- Hei 4-255786 proposes a toner using a petroleum resin having excellent melting characteristics and excellent low-temperature fixability.
- Japanese Patent Application Publication No. 7-658-58 proposes a toner using a hydrogenated petroleum resin.
- toners using these petroleum resins and hydrogenated petroleum resins have low thermal softening temperatures in spite of their high glass transition temperatures, and therefore have excellent low-temperature fixability, but the resins themselves are brittle. It is difficult to use this resin alone as a toner resin.
- these petroleum resins those in which aliphatic unsaturated bonds remained at 50% or more of the petroleum resin before hydrogenation, and C9-based monomers which were not purified or simply purified were polymerized.
- JP-A No. 11-126 and JP-A No. 11-526 a binder using a petroleum resin having good low-temperature fixability and hue and no odor at the time of fixation is described.
- Resins have been proposed. These have excellent performance in practical use, but are polystyrene-based resins that are blended to develop appropriate mechanical strength (not too strong and not too brittle) in the petroleum resin itself and the binder resin. It is difficult to knead these components with high uniformity because they are incompatible with However, when the composition is applied to a color toner, the color reproducibility of transmitted light is not sufficient.
- the present invention provides a toner having excellent low-temperature fixability, mechanical strength sufficient for practical use as a toner, low dependence on toner charging environment, no odor during fixing, and excellent transparency. It is an object of the present invention to provide a toner binder resin for obtaining a toner having such characteristics and a resin composition as a material thereof.
- the present invention comprises the following first invention, second invention, and third invention.
- the gist of the first invention is as follows.
- a resin composition comprising at least 0% by weight of a styrene resin (component B).
- the component A is cyclopentadiene, dicyclopentadiene or diphenyl. Resin obtained by cationic polymerization, thermal polymerization or radical polymerization of at least one monomer selected from drodicyclopentadiene and / or a copolymer of carbon-carbon unsaturated bond and / or aromatic ring in these copolymers A resin partially or wholly hydrogenated.
- the B component has a content of structural units derived from styrene of 70% by weight or more, and a weight average molecular weight of 15,000 to 1,000,000, A toner binder resin for electrostatic charge image development using a resin composition that is a styrene resin having an average molecular weight of 1,400 to 300,000.
- a component is: (a) at least one monomer selected from cyclopentadiene, dicyclopentadiene and dihydroxycyclopentadiene; and (b) styrene, polymethyl styrene, butyl toluene And at least one aromatic butyl compound selected from isopropidinoletoluene, indene, alkyl-substituted indene, arylbenzen, aryltonoleene, tert-butynolestyrene, and tert-butynolaylbenzene.
- the content ratio is 70% by weight or more, the weight average molecular weight is 1,500 to 1,000, 0000, and the number average molecular weight is 1,400. 3 00, 0 00 of the styrene resin der Ru resin composition
- the toner binder first resin made using.
- a component is selected from (a) at least one monomer selected from cyclopentadiene, dicyclopentadiene and dihydroxycyclopentadiene, and (c) isoprene, butadiene, and 1,3-pentadiene. And Z or a resin obtained by hydrogenating a part or all of carbon-carbon unsaturated bonds and / or aromatic rings in these copolymerized resins.
- a toner, a binder and a resin for developing an electrostatic image, using the composition is selected from (a) at least one monomer selected from cyclopentadiene, dicyclopentadiene and dihydroxycyclopentadiene, and (c) isoprene, butadiene, and 1,3
- the toner binder for electrostatic image development according to any one of [2] to [7], wherein the resin is brittle, and the resin having a thickness of 400 to 450 / xm formed by hot press molding the resin.
- a load of 300 gf was applied to the test piece, a crack with a length of 2 mm or more was visible less than once in 10 tests with a load of 300 gf.
- no brittle force and with a load of 1 000 gf has a brittleness with visible cracks with a length of 2 mm or more occurring more than 8 times in 10 tests.
- Toner binder resin for charge image development When a load of 300 gf was applied to the test piece, a crack with a length of 2 mm or more was visible less than once in 10 tests with a load of 300 gf. With no brittle force and with a load of 1 000 gf, has a brittleness with visible cracks with a length of 2 mm or more occurring more than 8 times
- the gist of the second invention is as follows.
- the resin composition contains (a) a polystyrene-based polymer component in an amount of 10 to 65% by weight. / 0 and (b) a resin composition according to the above [1] or [2], comprising 35 to 9% by weight of a petroleum resin polymer component.
- the resin composition comprises (a) 10 to 49% by weight of a polystyrene-based polymer component and (b) 51 to 90% by weight of a petroleum resin-based polymer component. /.
- the polystyrene-based polymer component is a styrene homopolymer and / or a styrene monomer having a weight ratio of 1.1 or more styrene units to the unsaturated carboxylic acid ester unit content.
- the petroleum resin-based polymer component is a polymer or copolymer of one or more monomers selected from the group consisting of vinyltoluene, ⁇ -methylstyrene, isopropenyltoluene, and indene.
- the above-mentioned (1) which is a polymer
- the petroleum resin-based polymer component is an ester group-containing dicyclopentadiene polymer-based petroleum resin having a saponification value of 10 to 400 mg KO HZ g according to any one of the above (1) to (8).
- the resin composition as described in the above.
- the petroleum resin-based polymer component is a dicyclopentene pentadiene polymer petroleum resin containing a hydroxyl group having a hydroxyl value of 10 to 400 mg K ⁇ HZ g;
- the resin composition according to any one of the above.
- the petroleum resin-based polymer component is a petroleum resin-based polymer whose weight loss at 150 ° C measured by a thermogravimetric method is 1% by weight or less. 1] The resin composition according to any one of the above.
- the petroleum resin-based polymer component is a petroleum resin-based polymer having a Gardner color number of 3 or less measured under melting conditions in accordance with JISK 5400.
- the resin composition according to any one of the above.
- the petroleum resin-based polymer component is a petroleum resin-based polymer having a Hazen color number of 250 or less as measured in accordance with JIS K 6901.
- a toner binder resin for developing an electrostatic image comprising the resin composition according to any one of [1] to [14] as a main component.
- a toner for developing an electrostatic image comprising 100 parts by weight of the toner binder resin according to [15] and 0.1 to 100 parts by weight of a coloring material.
- An electrostatic charge composed of 100 parts by weight of the toner binder resin according to the above [15], 0.1 to 100 parts by weight of a coloring material, and 0.1 to 10 parts by weight of a charge control agent. Image developing toner.
- the gist of the third invention is as follows.
- a toner binder resin for electrostatic image development containing at least one resin selected from the group consisting of (a) a terpene resin, (b) a rosin resin, and (c) a hydrogenated aromatic resin.
- the content of at least one resin selected from the group consisting of (a) a terpene resin, (b) a rosin resin, and (c) a hydrogenated aromatic petroleum resin is 5 to 5.
- the (c) hydrogenated aromatic petroleum resin is selected from the group consisting of c-methylstyrene, vinylinolenolen, isoprobenyltoluene and indene.
- toner binder resin for developing an electrostatic image a toner for developing an electrostatic image containing the binder resin according to any one of the above [1] to [13].
- a toner-binder-resin for hydro-fixing using the toner-binder-resin for electrostatic image development according to any one of [1] to [13].
- the resin composition of the first present invention (hereinafter sometimes simply referred to as “the present invention” in this section) comprises a resin composition selected from the group consisting of cyclopentadiene, dicyclopentadiene and dihydroxycyclopentadiene. Both are resin compositions comprising a resin (component A) obtained by polymerizing a monomer and a styrene-based resin (component B) having a content ratio of structural units derived from styrene of 70% by weight or more. -Here, the pentagon-based resin used as the A component in the resin composition may be a homopolymer of any of cyclopentadiene, dicyclopentadiene, and dihydroxy pentadiene.
- the component A includes (a) at least one kind of monomer selected from cyclopentadiene, dicyclopentadiene, and dihydroxycyclopentadiene, and (b) styrene, ⁇ -methynolestyrene, vinylinoletoleneene, and isopropylate.
- the component A is selected from (a) at least one monomer selected from cyclopentagene, dicyclopentadiene and dihydroxycyclopentadiene, and (c) selected from isoprene, butadiene and 1,3-pentadiene. It may be a copolymer with at least one kind of conjugated diolefin. Further, the copolymer may be obtained by hydrogenating a part or all of a carbon-carbon unsaturated bond or an aromatic ring present in these copolymers.
- the proportion of structural units based on cyclopentadiene, dicyclopentane, and dihydric pentagon in the copolymer is 10 to 100% by weight. Those that are / 0 are preferred. It is simply this configuration If the ratio is less than 10% by weight, low-temperature fixability may not be sufficiently exhibited when used as a toner binder resin.
- the resin used as the component A is preferably used without being hydrogenated, or with some or all of the carbon-carbon unsaturated bonds and aromatic rings present in the resin being hydrogenated.
- the hydrogenation rate [(bromine value before hydrogenation-bromine value after hydrogenation) / (bromine value before hydrogenation)] XI
- a resin composition is used to form a resin composition that has been hydrogenated so that the value of 0 becomes 55% or more, a low environmental dependency during toner charging can be obtained.
- any value of the bromine value of the resin used as the component A any value can be used, but those having a value of 30 g / l00 g or less are considered to be environmentally stable when the toner is charged.
- this bromine number value is 10 g / 100 g or less. It is preferable that hydrogen is added so as to be 100 or less.
- the hydrogenation rate of the aromatic ring of the resin used for the component A was determined from the absorption peak intensity at a wave number of 700 cm- 1 in infrared absorption analysis; Ring content-aromatic ring content after hydrogenation) Z (aromatic ring content before hydrogenation)] XI
- the styrene resin used as the component B is styrene.
- the content ratio of the structural unit derived from is 70% by weight or more, and its weight average molecular weight is 15,500 to 1,000,000, and the number average molecular weight is Those having a value of 1,400 to 300,000 are particularly preferable.
- Compounds used for copolymerization with styrene in this styrene-based resin include ⁇ -methinolestyrene, vinylinolenorren, isopropenyltonolene, indene, alkyl-substituted indene, arylbenzene, aryltonolene, and tert-butynolestyrene.
- Aromatic ring-containing compounds such as tert-butynolearinolebenzen, etc .; ⁇ -olefins such as ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-heptene and 1-decenekinds; Chlorine-substituted ethylene such as vinyl chloride, vinylidene chloride, 1,2-dichloroethylene, trichloroethylene, and tetrachloroethylene; butyl fluoride, vinylidene fluoride, 1,2-difluoroethylene, trifluoronorethylene, tetrafluoroethylene Etc. I can do it.
- acrylic compounds such as acrylates, methacrylates, and acrylonitrile
- hydrophilic groups such as butyl acetate, maleic acid, maleic esters, maleic anhydride, butadiene, and isoprene
- polyvalent vinyl groups Compounds having the following may also be used as long as the effects of the present invention are not impaired.
- ⁇ component resin a resin having a content ratio of structural units derived from styrene of 70% by weight or more is used. This is because it may be difficult to maintain appropriate brittleness of the resulting resin composition, environmental dependency of toner charging, and good pulverizability.
- the obtained resin composition becomes brittle, and the toner binder Not suitable for use as resin Appropriate.
- the weight-average molecular weight exceeds 1,000, 000 or the number-average molecular weight exceeds 300, 000, the kneadability with the component A is reduced, and the pulverizability of the obtained resin composition is reduced. May cause a decline.
- the content ratio of the component A (A / (A + B)) is 0.3 to 0.99, which is more preferable. Are 0.71 to 0.99.
- each of the resin of component A and the resin of component B may be used alone or in combination of two or more. If the content of the component A is less than 0.3 in the mixing ratio of these two components, the possibility that the low-temperature fixing property is reduced is increased. If the content of the component A exceeds 0.99, the resin composition becomes brittle, and becomes unsuitable for use as a toner binder resin.
- the glass transition temperature of this resin composition is preferably 50 ° C. or higher, and more preferably 60 ° C. or higher. If the glass transition temperature of the resin composition is lower than 50 ° C, the toner produced by using the resin composition is liable to generate toner blocking that aggregates during storage. .
- the resin composition has a thermal softening temperature of 80 to 140 ° C, preferably 100 to 130 ° C. If the heat softening temperature is lower than 80 ° C., toner particles tend to agglomerate due to frictional heat and the like in the device before development. If the heat softening temperature exceeds 140 ° C, the low-temperature fixability may not be sufficient. Further, the mechanical strength of the resin composition is a practically important property together with the above-mentioned thermal property. For this reason, as described above, by adjusting the molecular weight and copolymer composition of the resin used as the component A and the component B of the resin composition, an appropriate mechanical strength, particularly, the degree of its brittleness is obtained. Those obtained by adjusting are preferably used.
- the resin composition in the micro Vickers hardness test, if a crack having a length of 2 mm or more occurs more than once in 10 tests under a load of 300 gf or less, the resin The composition is brittle and hot offset is likely to occur, and the toner may be finely reduced in a developing machine, or the printed image may be blurred due to friction.
- the load is 1, 000 gf, cracks with a length of 2 mm or more
- test yields less than 8 tests in 0 tests the mechanical strength of the resin composition is too strong, which requires a great deal of energy and time to pulverize the toner, and may lower the low-temperature fixability. is there.
- the toner binder resin of the present invention obtained in this way is particularly suitable as a binder resin for a toner for fixing a contact heating pressure by a roller.
- the toner for developing an electrostatic image of the present invention contains one or more of the above-mentioned toner binder resins as a toner resin.
- the content ratio of the toner binder resin in the toner resin is usually at least 1% by weight, preferably at least 70% by weight.
- the content ratio of this toner binder to resin is 1 weight. If it is less than / 0 , the effect of the addition cannot be sufficiently obtained. This content ratio is 1 weight.
- the ratio is 70% by weight or more, the friability in producing the toner is further improved.
- an elastomer can be used as the toner resin together with the toner-binder-resin as long as the effect of the present invention is not impaired.
- This elastomer is not particularly limited, and any one can be selected from conventionally known ones.
- elastomer examples include nitrile rubber, ethylene propylene rubber, chloroprene rubber, silicone rubber, fluoro rubber, ethylene acrylole rubber, polyester nose rubber elastomer, epichloronohydrin rubber, acryl rubber, liquid rubber, chlorinated polyethylene, butadiene rubber, Styrene butadiene copolymer, natural rubber, 1,2-polybutadiene, butyl rubber, chlorosulfonated polyethylene, polysulfide rubber, urethane rubber, styrene-based thermoplastic elastomer, olefin-based thermoplastic elastomer, urethane-based heat Plastic elastomer, ester type Plastic elastomer, polychlorinated thermoplastic elastomer, butyl rubber grafted polyethylene, trans 1,4-polyisoprene ionomer, natural rubber heat Such as plastic Hellas Bok-mer is applicable.
- a styrene-butadiene copolymer is particularly preferred.
- One of these elastomers may be used, or two or more of them may be used in combination.
- the content of the elastomer in the entire toner resin is 30% by weight. It is preferable to set the following. If this content ratio exceeds 30% by weight, there is a possibility that the crushability at the time of production of the toner is reduced.
- wax can be used as the toner resin together with the toner binder resin.
- the status is not particularly limited, and any one can be selected from conventionally known ones.
- This wax includes, for example, animal and vegetable wax, carnaubax, candelilla wax, wood, honey, mineral wax, petroleum wax, noraffin wax, microcrystalline wax, petrolatum, polyethylene wax, polyethylene oxide wax, polypropylene wax Preferred are oxidized polypropylene wax, higher fatty acid wax, higher fatty acid esternole wax, canola nova wax, Fischer-Tropschux, and the like.
- Styrene oligomers, amorphous poly- ⁇ -olefins, and the like are also preferably used as resins having the same physical properties as wax. Among them, Fischer-Tropsch wax and styrene oligomer are particularly preferred. These waxes may be used alone or in combination of two or more.
- the content of the wax in the total toner resin is preferably 30% by weight or less. This content ratio is 30 weight. If it exceeds / 0 , the glass transition temperature may be lowered, and the blocking resistance may be deteriorated.
- thermoplastic resin examples include a polyester resin [alcohol component; ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, 1, 4- Bis (hydroxymethinole) cyclohexane, bisphenol A, bisphenol A-ethylene glycol-modified diol, 1,3-propylene glycol cornole, etc., 0-alkylene diol (C2-Cl2), hydrogenated bicarbonate Bisphenol A, Bisphenol F, Bisphenol F — Ethylene glycol modified diol, Bisphenol mono S, Bisphenol S — Ethylene glycol modified Ginole, Biphenol, Biphenol-ethylene glycol modified diol, Neopentyglycol, trivalent or higher Polyhydric alcohol: carboxylic acid component; aliphatic dicarboxylic acid, alicyclic dicarboxylic acid, aromatic dicarboxylic acid, trivalent or
- One type may be used, or two or more types may be used in combination.
- antioxidants include hindered phenol-based antioxidants, aromatic amine-based antioxidants, hindered amine-based antioxidants, sulfide-based antioxidants, and organic phosphorus-based antioxidants. It is applicable, and among them, hindered phenol-based antioxidants are preferable. One of these antioxidants may be used, or two or more thereof may be used in combination.
- the toner of the present invention or the toner resin used therein may optionally contain additives other than the above, such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- the toner for developing an electrostatic image of the present invention usually contains 25 to 95% by weight of a toner binder (toner resin) and 0 to 10% by weight of a colorant. /. 0 to 70% by weight of magnetic powder, 0 to 10% by weight of a charge control agent and 0 to 10% by weight of a lubricant, and 0 to 1.5% by weight of a fluidizing agent and a cleaning aid as an external additive. 0-1.5% is added.
- the colorant examples include organic or inorganic colorants such as carbon black, copper oxide, manganese dioxide, alinine black, activated carbon, non-magnetic ferrite, magnetic ferrite, magnetite, iron black, benzidine yellow, disazo yellow. Quinacdrine, naphthol-based azo pigments, quinacridone, rhodamine B, phthalocyanine, titanium white, zinc white, and the like. In the case where the magnetic powder itself is colored (black) in the magnetic toner, the colorant may not be used. Also, as magnetic powder For example, iron, cobalt, nickel, magnetite, hematite, ferrite, etc. are used. The particle size of the magnetic powder is usually selected in the range of 0.05 to 1 ⁇ , preferably in the range of 0.1 to 0.5 ⁇ .
- the charge control agent is a substance capable of giving a positive or negative charge by triboelectric charging.
- a substance capable of giving a positive or negative charge by triboelectric charging.
- Examples of such a substance include Nigguchi Shinbase ⁇ (manufactured by Orient Chemical Industries) and ⁇ -51 (Orient Chemical Industry Co., Ltd.), Copy Charge PXVP 435 (Hechist Co., Ltd.), alkoxylated amine, alkylamide, molybdate chelate pigment, PLZ1001 (Shikoku Chemical Industry Co., Ltd.), Bontron S-22 Orient Chemical Co., Ltd., Bontron S-34 (Orient Chemical Co., Ltd.), Pontron ⁇ -81 (Orient Chemical Co., Ltd.), Bontron ⁇ -84 (Orient Chemical Co., Ltd.), Spiron Black TRH (Manufactured by Hodogaya Chemical Co., Ltd.), Thio Indigo pigment, Copy Charging NX V-434, Pontrone E-89 (manufact
- lubricant for example, polytetrafluoroethylene, low molecular weight polyolefin, fatty acid and its metal salts and amides can be used.
- a fluidizing agent used as an external additive for example, 10-nm inorganic fine particles, specifically colloidal silica, alumina, titanium oxide, zinc oxide, magnesium fluoride, silicon carbide, boron carbide, titanium carbide, zirconium carbide, boron nitride, titanium nitride, zirconium nitride, magnetite , Molybdenum disulfide, aluminum stearate, magnesium stearate, zinc stearate and the like can be used.
- These fluidizing agents may be subjected to a hydrophobic treatment with a silane-based or titanium-based coupling agent, a higher fatty acid, a silicone oil, a surfactant, or the like.
- the cleaning aid used as an external additive for example, fine particles such as polystyrene, polymethyl methacrylate, polyatalylate, polybenzoguanamine, silicone resin, polytetrafluoroethylene, polyethylene, and polypropylene are preferable.
- the method for preparing the toner of the present invention is not particularly limited, and a conventionally known method such as a mechanical pulverization method, a spray drying method, a chemical polymerization method, or a wet granulation method can be applied.
- the mechanical pulverization method involves dry-blending the above-mentioned toner components, melt-kneading, then coarsely pulverizing, and finally pulverizing with a jet pulverizer or the like.
- classification is performed to obtain fine particles having a volume average particle size of about 5 to 20 ⁇ .
- the toner for developing an electrostatic image prepared in this way is mixed with carrier particles and used as a developer for two-component development, or used alone as a developer for one-component development.
- the carrier for example, a magnetic powder carrier, a magnetic powder resin-coated carrier, a binder carrier, a glass bead, and the like are applied.
- the particle size of these carriers is usually about 20 to 500 ⁇ .
- Magnetic powder carriers include, for example, iron, nickel, Metals such as titer, cobalt, etc., alloys or mixtures of these metals with metals such as zinc, antimony, aluminum, tin, bismuth, beryllium, manganese, selenium, tungsten, zirconium, vanadium, etc., iron oxide Metal oxides such as titanium oxide and magnesium oxide, nitrides such as chromium nitride and vanadium nitride, and mixtures with carbides such as silicon carbide and tungsten carbide are used.
- the magnetic powder resin-coated carrier one obtained by using the above-mentioned magnetic component particles as a core material and coating with the following resin is used.
- the coating resin include polyethylene, silicone resin, fluorine resin, styrene resin, acryl resin, styrene-acrylic resin, polyvinyl acetate, cellulose derivative, maleic resin, epoxy resin, and polyvinyl chloride.
- the magnetic powder resin-coated carrier includes conductive fine particles (carbon black, conductive metal oxide, metal powder), inorganic fillers (silica, silicon nitride, boron nitride, alumina, dinorecoure, silicon carbide, boron carbide, Titanium oxide, clay, talc, glass fiber), the charge control agents exemplified above, and the like may be contained as necessary.
- the thickness of the resin coating film on the carrier core material is preferably about 0 :!
- the toner for developing an electrostatic image of the present invention is used after being transferred and fixed to a support (paper, HP film of polyester, etc.).
- Fixing methods include, for example, pressure fixing, heat fixing (SURF fixing, hot plate fixing, oven fixing, infrared lamp fixing, etc.), contact heat pressure fixing, flash fixing, and melting.
- Fixing agent can be applied, but contact heating and pressure fixing by heat is preferred.
- the toner preferably has a minimum fixing temperature of 140 ° C. or lower, and more preferably a toner capable of fixing at a low temperature of 130 ° C. or lower.
- the toner of the present invention can be applied to any type of magnetic one-component development, magnetic two-component development, non-magnetic one-component development, non-magnetic two-component development, and liquid development. It is advantageously used for magnetic two-component development and non-magnetic one-component development.
- the toner of the present invention can be applied to various developing methods.
- a magnetic brush developing method for example, a cascade developing method, a method using a conductive magnetic toner described in U.S. Pat. No. 3,909,258, and a method disclosed in Japanese Patent Application Laid-Open No. Sho.
- the method using the described high-resistance magnetic toner is described in JP-A-54-42121, JP-A-55-186566, JP-A-54-43027, and the like.
- fur brush developing method fur brush developing method, powder cladding method, impression developing method, microtoning method, contact developing method, touch down developing method, magnetic dynamic developing method, jumping developing method, FEED (Floating Electrode Effect Development) Development method, FMT (Fine Micro Toning System) development method, NSP (Non Magnetic Single Component Development Process), etc.
- the toner of the present invention can be applied to any machine of corona charging (corotron type, scorotron type, etc.) and contact charging (charging roll type, charging brush type, etc.). Further, a method without a cleaning step, a blade method, a fur brush method, a magnetic brush method, a roller cleaning method, and the like can be applied, but a method without a blade method and a cleaning step is preferable.
- the toner of the present invention includes an organic electrophotographic photoreceptor (laminated type, single layer type) and an inorganic photoreceptor (amorphous silicon, amorphous selenium, selenium-based photoreceptor). Photoconductors and germanium-based photoconductors), and particularly preferably applied to organic electrophotographic photoconductors and inorganic photoconductors using amorphous silicon.
- the toner of the present invention can be applied to either (1) a reversal development process or a positive development process, (2) it can be applied to any of positively charged and negatively charged toners, and (3) ) Applicable to both monochrome and color printers, (4) Applicable to both analog and digital printers, (5) Copiers, printers (laser beam printers, liquid crystal It can be applied to fax printers and multifunction machines with these features.
- the resin composition in the second invention of the present invention (hereinafter sometimes simply referred to as “the present invention” in this section) comprises: (a) 1 to 99% by weight of a polystyrene-based polymer component; When a resin composition having a weight ratio of 1: 1 to the polystyrene polymer was used as the base polymer, a 3 mm-thick film-shaped molded product of the resin composition was measured in accordance with JISK7105. This is a substantially transparent resin composition comprising 1 to 99% by weight of a petroleum resin-based polymer component having a total light transmittance of 60% or more of the incident light amount.
- composition ratio of the polystyrene-based polymer component (a) and the petroleum resin-based component (b) in the resin composition is as follows: (a) 10-65 weight% of the polystyrene-based polymer component. % And (b) a range of 35 to 90% by weight of a petroleum resin-based polymer component, and (a) a range of 10 to 49% by weight of a polystyrene-based polymer component.
- Petroleum resin-based polymer component 51 The component in the range of 1 to 90% by weight has an appropriate mechanical strength, which is neither too strong nor too brittle and can withstand practical use. Because a resin composition is obtained, Preferred.
- the polystyrene-based polymer used as the component (a) of the resin composition may be a styrene homopolymer, or may be a styrene unit based on the content of unsaturated carboxylic acid ester units in the copolymer. It may be a styrene-acrylic copolymer having a weight ratio of 1.1 or more.
- unsaturated carboxylic acid esters include unsaturated carboxylic acids such as acrylic acid, methacrylic acid, maleic acid, fumaric acid, and maleic anhydride; and alcohols having 1 to 18 carbon atoms; Acid esters such as acrylonitrile copolymerized as a comonomer are used.
- alkyl group which the unsaturated carboxylic acid ester has in the ester portion examples include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, a decyl group and a decyl group.
- those particularly preferred as the comonomers of the polystyrene copolymer used as the component (a) are methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate, and ethyl methacrylate. Butyl methacrylate, isobutyl methacrylate and -2-ethyl methacrylate.
- the unsaturated carboxylic acid ester unit (the structural unit comprising an unsaturated carboxylic acid ester residue in the polymer chain) in the copolymer is used.
- a copolymer in which the weight ratio of the styrene unit (the structural unit composed of a styrene residue in the polymer chain) to the content of) is larger than 1.1 is preferably used.
- the properties of the copolymer are strongly affected by the properties of the unsaturated carbonate homopolymer, and the petroleum component ( b )
- the melt index of the copolymer is low, so that the kneadability of these two components is poor and the glass transition temperature is low. This may cause deterioration of blocking resistance.
- the molecular weight of the polystyrene-based polymer is measured by gel permeation chromatography, whether it is a styrene homopolymer or a copolymer of styrene and an unsaturated sulfonic acid ester.
- the weight-average molecular weight calculated in terms of polystyrene is 40,000 to 1,000,000, preferably 100,000 to 400,000, and the number-average molecular weight is 100,000 to 500,000. 000, preferably 40,000 to 200,000.
- the weight-average molecular weight of the polystyrene-based polymer (a) is less than 40,000 or the number-average molecular weight is less than 10,000
- the petroleum resin-based component (b) When the mechanical strength of the resin composition comprising a polymer is reduced, a large amount of finely pulverized components are generated during the production of the toner, the productivity of the toner is reduced, or when used as a toner for developing an electrostatic image, The storage stability of the printed image may be reduced.
- a C5 fraction obtained by petroleum refining or naphtha pyrolysis is used for cationic polymerization. It can be appropriately selected from those produced by radical polymerization, thermal polymerization, anion polymerization, ionic coordination polymerization, suspension polymerization, emulsion polymerization, polymerization using a transition metal complex catalyst, and the like.
- these petroleum resins can be obtained from an aliphatic petroleum resin obtained from a C4 to C5 fraction as a raw material, or from a distillate containing pentadiene as a main component.
- a C8-C10 fraction with a high content of aromatic hydrocarbons such as dicyclopentadiene-based petroleum resin, styrene, vinylinolenolen, methinolestyrene, isopropylinolenolenene, indene, and alkyl-substituted indene can be obtained as a raw material.
- aromatic petroleum resins and their copolymers are also used.
- the fraction obtained from the petroleum refining process is used as it is as the polymerizable monomer as a raw material, or is used for polymerization by mixing a single fraction or a plurality of fractions after simple purification.
- it may be used for polymerization either alone or by mixing a plurality of monomers.
- petroleum resin separated and refined and polymerized for each monomer has more homogeneous physicochemical properties, so it is preferably used for applications requiring advanced physical property control such as toner resin. Let's do it.
- a free delta rough-type force thione polymerization method using a Lewis acid or a thermal polymerization method is preferable.
- the catalyst used is aluminum chloride, aluminum bromide, dichloromethane, titanium tetrachloride, tin tetrachloride, boron trifluoride, etc.
- the polymerization solvent is Aromatic hydrocarbons such as toluene, xylene, ethylbenzene, mesitylene, cumene, and cymene, pentane, hexane, heptane, octane, cyclohexane, cyclopentane, and methylcycline Aliphatic hydrocarbons such as mouth hexane, and mixtures thereof are used.
- the catalyst is used in an amount of 0.01 to 5 parts by weight, preferably 0.05 to 3 parts by weight per 1 part by weight of the monomer, and the polymerization temperature is not uniform depending on the type of the monomer and the type of the catalyst.
- the polymerization is carried out at between 20 and 60 ° C.
- the polymerization time is suitably 0.5 to 5 hours.
- the catalyst is decomposed with an aqueous alkali solution or methanol, washed with water, and the low-polymerized product, unreacted monomer and solvent are removed under reduced pressure, whereby a purified petroleum resin is obtained.
- Petroleum resin can be obtained.
- This hydrogenation reaction of petroleum resin can be performed by a known method.
- a petroleum resin having an unsaturated bond is dissolved in a solvent such as hexane, heptane, octane, cyclohexane, methylcyclohexane, decalin, benzene, tonolene, or xylene, and nickel and palladium are added.
- Add a catalyst such as Luteuum, Rhodium, Conoreno, Platinum, Tungsten, Chromium, Molybdenum, Rhenium, Manganese, 0 ⁇ 350.
- C preferably 1
- C normal pressure ⁇ 20 0 k gZc m 2
- the catalyst may be one supported on a carrier such as alumina silica, zeolite, or diatomaceous earth.
- the petroleum resin thus obtained is used as a petroleum resin-based polymer which is the component (b) of the resin composition of the present invention
- its weight average molecular weight is in the range of 400 to 50,000.
- the weight average molecular weight of the petroleum resin used as the component (b) is less than 400, If the mechanical strength of the resin composition comprising the component (a) is not sufficient and the weight average molecular weight exceeds 5,000, the resin composition comprising the resin component and the component (a) can be obtained. This is because the low-temperature fixability of the toner may not be sufficient.
- the petroleum resin used as the component (b) of the resin composition of the present invention preferably has a softening temperature lower than 130 ° C, more preferably lower than 120 ° C. This is because when a softening temperature of the petroleum resin of the component (b) is higher than 130 ° C, an electrostatic charge produced by using the resin and the resin composition comprising the component (a) is used. This is because the low-temperature fixability of the toner for image development may not be sufficient. Further, as for the softening temperature of this petroleum resin, one having a 1/2 outflow temperature measured using a flow tester of 80 to 130 ° C, preferably 90 to 130 ° C is suitably used. It is possible.
- the toner for developing an electrostatic image manufactured using the resin composition containing the component (b) as a component tends to cause toner blocking during storage. If the temperature exceeds 140 ° C., the toner using the toner may not have sufficient low-temperature fixability.
- the total light transmission of the resin composition obtained by blending this with the component (a) must be 60% or less of the incident light amount.
- those having a weight of 60 g / 100 g or less, preferably 10 g / 100 g or less are suitably used. If the bromine value is more than 60 g / 100 g, the resin composition obtained by blending with the component (a) may be so colored that the total light transmittance of the resin composition may be less than 60% of the incident light amount. It is.
- the content ratio of the aromatic hydrocarbon unit contained in the polymer chain of the petroleum resin used as the component (b) is determined by the ratio of the aromatic hydrocarbon unit and the component (a).
- the total light transmission of the resin composition having a quantitative ratio of 1: 1 is 60% or more, preferably 80% or more of the incident light amount, and the haze value is 40% or less, preferably 15% or less. If there are no restrictions, there is no particular limitation, but 30% by weight or more, preferably 40% by weight or more of aromatic petroleum resin, hydrogenated aromatic petroleum resin, aromatic monoaliphatic petroleum resin, hydrogenated Aromatic monoaliphatic petroleum resin, aromatic dicyclopentadiene polymer petroleum resin, and hydrogenated aromatic dicyclopentadiene polymer petroleum resin can be used.
- aromatic petroleum resins and aromatic copolymer petroleum resins having a high content of aromatic hydrocarbon units are particularly suitable for use with the polystyrene-based polymer of component (a). It is suitably used because of its excellent compatibility.
- aromatic petroleum resins suitable as the petroleum resin-based polymer used as the component (b) one or more materials selected from vinyltoluene, polymethylstyrene, isopropenyltoluene and indene as raw materials
- Aromatic petroleum resin produced by a free delta rough type cation polymerization method or a thermal polymerization method using a Freidel Crafts catalyst or a Lewis acid using two or more monomers is more preferable because of its excellent hue. Used.
- the petroleum resin-based polymer component at least a part of the unsaturated bond and / or the aromatic ring is hydrogenated, and is preferably used.
- an ester group-containing dicyclopentane polymer petroleum resin having a saponification value of 10 to 400 mg KOH / g can be used.
- the compatibility with polystyrene-based polymers is low, but functional groups are introduced into such petroleum resin. By doing so, the compatibility with the polystyrene-based polymer can be improved.
- dicyclopentadiene polymer petroleum resin The ester group-containing dicyclopentadiene-based petroleum resin in which a maleic acid ester, methacrylic acid ester, methacrylic acid ester, or the like is introduced into the unsaturated bond site of the polymer chain by a polymer reaction, the component (a) It has excellent compatibility with polystyrene-based polymers.
- the introduction ratio of the ester group is 10 to 40 Omg K ⁇ H / g, preferably 50 to 300 mg KOHZg in saponification value.
- the saponification value is less than 1 Omg K ⁇ H / g, the compatibility with the polystyrene polymer of the component (a) is not sufficient, and the saponification value exceeds 400 mg KOH / g. This is because, in the case of using a resin composition, there is a concern that the charging characteristics of the toner using the resin composition comprising the component (a) may be deteriorated.
- a dicyclic pentadiene polymer petroleum resin having a hydroxyl value of 10 to 40 Omg KOH / g, preferably 50 to 300 mg KOH / g, more preferably 100 to 25 Omg KOHZg. Can be.
- the volatile component contained in the petroleum resin-based polymer of the component (b) is determined by thermogravimetric analysis (TG-DTA) at a rate of 10 ° C / min from room temperature to 600 ° C. It is desirable to use one that has a weight loss of 1% by weight or less, preferably 0.7% by weight or less at 150 ° C when measured in air up to ° C.
- a method of removing a component that cannot be polymerized from the raw material before the polymerization, or a method of using a petroleum resin raw material After the polymerization, a method of removing underpolymerized substances and unreacted substances by heating under reduced pressure can be employed.
- the weight loss at 150 is 1 weight. /.
- the electrostatic image around 150 C Odor may be generated when the developing toner is fixed.
- the petroleum resin of the component (b) has a hue conforming to JISK540, and has a Gardner color number of 3 or less measured under melting conditions, and further has a hue of 2 or less. Is more preferred.
- the color of this petroleum resin has a Hazen color number of 250 or less as measured in accordance with JIS K6901, the total light transmission of the resin composition obtained using the same is high. Thus, a toner binder resin having excellent transparency can be obtained.
- the method may be a method of polymerizing at a low temperature or a method of hydrogenating an aliphatic unsaturated bond of a colored petroleum resin obtained by the polymerization.
- the melt-kneading method used in the molding process of a normal thermoplastic resin is used. Can be performed using a machine.
- the resin composition obtained here can be obtained by melt-kneading the above components (a) and (b) together at a composition ratio of 1 to 99% by weight, and more preferably a polystyrene-based component (a). Polymer 10-65 weight 0 /.
- the resin composition thus obtained is a resin composition having the above-mentioned component (a) and component (b) in a weight ratio of 1: 1, a JISK71 1 It is a substantially transparent resin composition having a total light transmission of 60% or more of the amount of incident light measured in accordance with No. 05. Furthermore, measurement was performed on a 3 mm-thick film-shaped molded product of the resin composition. The haze value, expressed as a percentage, of the ratio of the scattered light transmittance to the total light transmittance,
- a resin composition having excellent transparency of 40% or less can be obtained.
- the glass transition temperature of the resin composition is preferably 50 ° C. or higher, and more preferably 60 ° C. or higher. If the glass transition temperature of the resin composition is less than 50 ° C., the toner produced by using the resin composition tends to generate toner blocking that aggregates during storage.
- the temperature at which the resin composition starts flowing out by a flow tester is in the range of 80 to 140 ° C, preferably 100 to 130 ° C. If the outflow start temperature is lower than 80 ° C., the toner particles tend to aggregate due to frictional heat and the like in the device before the development. If the outflow temperature exceeds 140 ° C., the low-temperature fixability may not be sufficient.
- wax can be used as the toner resin together with the toner binder resin.
- the status is not particularly limited, and any one can be selected from conventionally known ones, and specifically, the one described in the first invention corresponds thereto.
- polyethylene wax, polypropylene wax, polyethylene oxide wax and polypropylene oxide wax are particularly preferred.
- C These waxes may be used alone or in combination of two or more.
- the content of the wax in the total toner resin is preferably 30% by weight or less. When the content exceeds 30% by weight, the glass transition temperature is lowered, and the blocking resistance may be deteriorated.
- a conventionally known thermoplastic resin can be used in combination with the toner of the present invention, if desired. Specific examples of such a thermoplastic resin include those described for the first invention. One of these thermoplastic resins may be used, or two or more of them may be used in combination.
- an appropriate amount of a conventionally known antioxidant may be added to the toner of the present invention or the toner resin used therein.
- antioxidants include hindered phenol-based antioxidants, aromatic amine-based antioxidants, hindered amine-based antioxidants, sulfide-based antioxidants, and organic phosphorus-based antioxidants.
- hindered phenolic antioxidants are preferred. One of these antioxidants may be used, or two or more thereof may be used in combination.
- the toner of the present invention or the toner resin used therein may optionally contain additives other than the above, such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- the toner for developing an electrostatic image of the present invention usually contains 25 to 95% by weight of a toner binder (toner resin) and 0 to 10% by weight of a colorant. /. 0 to 70% by weight of a magnetic powder, 0 to 10% by weight of a charge control agent and 0 to 10% by weight of a lubricant, and 0 to 1.5% by weight of a fluidizing agent and a clear agent as external additives. 0 to 1.5% of the auxiliaries are added.
- the coloring agent include those described in the first invention.
- the magnetic powder include iron, cobalt, nickel, magnetite, hematite, and ferrite.
- the particle size of the magnetic powder is usually selected in the range of 0.05 to 1 ⁇ m, preferably 0.1 to 0.5 ⁇ m.
- the charge control agent is a substance capable of giving a positive or negative charge by triboelectric charging, and specifically corresponds to those described in the first invention.
- the lubricant for example, polytetrafluoroethylene, low molecular weight polyolefin, fatty acid and its metal salts and amides can be used.
- the fluidizer used as an external additive specifically corresponds to the one described in the first invention.
- the cleaning aid used as an external additive for example, fine particles such as polystyrene, polymethyl methacrylate, polyatalylate, polybenzoguanamine, silicone resin, polytetrafluoroethylene, polyethylene, and polypropylene are preferable. It is listed as.
- the method for preparing the toner of the present invention is not particularly limited, and a conventionally known method such as a mechanical pulverization method, a spray drying method, a chemical polymerization method, or a wet granulation method can be applied.
- the mechanical pulverization method involves dry-blending the above-mentioned toner components, melt-kneading, then coarsely pulverizing, and finally pulverizing with a jet pulverizer or the like. This is a method of classifying particles to control the diameter to obtain fine particles with a volume average particle size of about 5 to 15 // m.
- the toner for developing an electrostatic image prepared in this way is mixed with carrier particles and used as a developer for two-component development, or used alone as a developer for one-component development.
- the carrier for example, a magnetic powder carrier, a magnetic powder resin-coated carrier, a binder carrier, a glass bead, and the like are applied.
- the particle size of these carriers is usually of the order of 20 to 500 / zm.
- the magnetic powder carrier specifically corresponds to the one described in the first invention.
- the magnetic powder resin-coated carrier includes conductive fine particles (carbon black, conductive metal oxide, metal powder), inorganic fillers (silica, silicon nitride, boron nitride, anoremina, zirconia, silicon carbide, boron carbide). , Titanium oxide, clay, talc, glass fiber), the charge control agent exemplified above, and the like, if necessary.
- the thickness of the resin coating on the carrier core material is preferably about 0.1 to 5 / zm.
- the toner for developing an electrostatic image of the present invention is used after being transferred and fixed to a support (paper, polyester film, etc.).
- the fixing method include pressure fixing, heat fixing (SURF fixing, fixing using a hot plate, oven fixing, infrared lamp fixing, etc.), contact heating pressure fixing, flash fixing, and solvent fixing. It is preferable to use the contact heating pressure fixing with a unit. In this case, it is preferable that the minimum fixing temperature of the toner is not higher than 144 ° C., and it is particularly preferable that the toner can be fixed at a low temperature of not higher than 140 ° C.
- the toner of the present invention can be applied to any type of toner of magnetic one-component development, magnetic two-component development, non-magnetic one-component development, non-magnetic two-component development, and liquid development. It is advantageously used for two-component development and non-magnetic one-component development.
- the toner of the present invention can be applied to various developing methods. Specifically, those described in the first invention correspond to this.
- the toner of the present invention can be applied to any machine of corona charging (corotron type, scorotron type, etc.) and contact charging (charging roll type, charging brush type, etc.). Further, a method without a cleaning step, a blade method, a fur brush method, a magnetic brush method, a roller cleaning method and the like can be applied, but a method without a blade method and a cleaning step is preferable.
- the toner of the present invention may be any of an organic electrophotographic photoreceptor (laminated type, single layer type) and an inorganic photoreceptor (amonorefas silicon, amorphous selenium, selenium-based photoconductor, germanium-based photoconductor)
- the invention is also applicable to organic electrophotographic photoreceptors and inorganic photoreceptors using amorphous silicon.
- the toner of the present invention can be applied to either (1) a reversal development process or a positive development process, (2) it can be applied to any of positively charged and negatively charged toners, and (3) ) Applicable to both monochrome and color printing presses, (4) Applicable to both analog and digital printing presses, (5) Copiers, printers (Laser beam printers, liquid crystal shutters) Printers, etc.), and applicable to fax machines and their multifunction devices.
- the third invention (hereinafter sometimes simply referred to as “the present invention” in this section) comprises: [1] (a) a terpene-based resin, (b) a rosin-based resin, or (c) a hydrogenated aromatic A toner binder resin for electrostatic image development containing at least one resin selected from petroleum resins. [2] (A) (a) a terpene resin, (b) a rosin resin, or ( c) At least one resin selected from hydrogenated aromatic petroleum resins, and (B) a toner binder resin for electrostatic image development containing a styrene resin and / or a polyester resin.
- terpene-based resins include «-binene, jS-binene, limonene, dipentene, camphene, denoletaslicarene, a polymer derived from a tenorene compound, and copolymerization with other monomers. This includes, for example, unionized products and denatured products of these unionized products.
- one-binene,] 3-pinene or di A component derived from at least one selected from pentene, that is, a polymer or copolymer derived from at least one selected from the group consisting of vinylene, j3-pinene, and dipentene; at least one of these and another unit Copolymers with monomers, and modified products of these polymers or copolymers are preferably used.
- the copolymer include aromatic monoterpene copolymers (styrene, vinylinolenoene, polymethinolestyrene, methinolestyrene, isopropylene,
- Copolymers of phenols and terpenes) and terpene phenol resins are preferably used.
- phenols such as phenol, phenolic phenols, bisphenols, bisphenols F, bisphenols such as bisphenols
- Resins and copolymers of tenolepenes are preferably used.
- a resin obtained by hydrogenating a part or the whole of an aliphatic unsaturated bond and / or an aromatic unsaturated bond can be used.
- the content ratio of components derived from at least one selected from the group consisting of ⁇ -binene, / 3—pinene and dipentene should be 30% by weight or more with respect to the terpene resin, so that the mechanical strength becomes appropriate. Is preferred.
- rosin-based resin gum rosin, wood rosin, tall oil rosin, and processed and modified rosin
- Modified rosin includes metal salts with zinc, calcium, magnesium, etc., ester rubber (rosin esterified with alcohol such as glycerin, pentaerythritol, benzinorealco-yl), rosin-maleic acid resin, rosin-modified phenolic resin, rosin Modified alkyd resins, hydrogenated rosin resins and the like can be used, and among them, ester rubber and rosin-maleic acid resin are preferable.
- Examples of the hydrogenated aromatic petroleum resin include a C9 fraction obtained by pyrolysis of petroleum naphtha, styrene, ⁇ -methylstyrene, and methylstyrene. , Bininole Tonolen, I Soprodinole Tonolen, Inden,
- the fraction obtained from the petroleum refining process as a raw material polymerizable monomer is used for polymerization as it is, or after simple purification, a single fraction or a mixture of multiple fractions is used.
- a single fraction or a mixture of multiple fractions is used.
- after separating and purifying each monomer it may be used for polymerization either alone or by mixing a plurality of monomers.
- petroleum resin separated and purified for each monomer and polymerized has more uniform physicochemical properties, so it is suitable for applications that require advanced physical property control such as toner resin. Used.
- Aromatic hydrogenation rate (Aromatic content before hydrogenation-Aromatic content after hydrogenation) Z (Aromatic content before hydrogenation) XI 00 (%) (Aromatic content is measured by infrared absorption analysis. (Determined from the absorption peak intensity at a wave number of 700 cm-1) is arbitrary as long as the effects of the present invention are not lost, but is preferably in the range of 10 to 90%. 0 to 70% is more preferred. If the degree of hydrogenation is less than 10%, the resin may be colored, or after the formation of the toner, odor may be generated at the time of fixing.
- the degree of hydrogenation exceeds 90%, the compatibility with polystyrene, a styrene monounsaturated carbonyl compound copolymer resin, polyester and the like described below is reduced, and a good kneading composition may not be obtained.
- the Friedel-Craft type force thione polymerization method aluminum chloride, aluminum bromide, dichloroethyl aluminum, titanium tetrachloride, tin tetrachloride, boron trifluoride, etc.
- the polymerization solvent is toluene, Kiss Aromatic hydrocarbons such as len, ethylbenzene, mesitylene, tamene, cymene, and aliphatic hydrocarbons such as pentane, hexane, heptane, octane, cyclohexane, cyclopentane, and methylcyclohexane, and mixtures thereof are used.
- the use ratio of the catalyst is 0.01 to 5 parts by weight, preferably 0.05 to 3 parts by weight per 1 part by weight of the monomer, and the polymerization temperature is not uniform depending on the type of the monomer and the type of the catalyst.
- Polymerization is carried out at 20 to 60 ° C.
- the polymerization time is suitably from 0.5 to 5 hours.
- the catalyst is decomposed with an aqueous alkaline solution or methanol, washed with water, and the reduced polymer, unreacted monomer and solvent are removed under reduced pressure to obtain a purified petroleum resin.
- Can be The hydrogenation reaction of petroleum resin can be performed by a known method.
- a petroleum resin having an unsaturated bond is dissolved in a solvent such as hexane, heptane, octane, cyclohexane, methinolecyclohexane, decalin, benzene, toluene, xylene, etc., and nickel, palladium, norretinium, , Rhodium, covanolate, platinum, tungsten, chromium, molybdenum, rhenium, manganese, etc., and add 0 to 350 ° C, preferably 150 to 260 ° C, normal pressure to 20 ° C.
- a solvent such as hexane, heptane, octane, cyclohexane, methinolecyclohexane, decalin, benzene, toluene, xylene, etc.
- the reaction may be performed at a hydrogen pressure of 0 kg / cm 2 , preferably 30 to: L 0 0 kg Z c ⁇ .
- a catalyst supported on a carrier such as alumina, silica, zeolite, or diatomaceous earth may be used.
- the petroleum resin thus obtained preferably has a weight average molecular weight in the range of from 400 to 50,000. If the weight average molecular weight is less than 400, the mechanical strength is not sufficient, and if the weight average molecular weight exceeds 50,000, the obtained toner may not have sufficient low-temperature fixability. From to fc.
- the softening temperature of terpene resin, rosin resin and hydrogenated aromatic petroleum resin is The temperature is preferably set to 130 ° C. or lower in order to achieve low-temperature fixing. More preferably, it is 120 ° C or lower.
- the total content of at least one resin selected from the group consisting of (a) a terpene-based resin, (b) a rosin-based resin, and (c) a hydrogenated aromatic petroleum resin in a toner binder resin for developing an electrostatic image is described. Considering the balance between low-temperature fixability and mechanical strength, the toner binder for electrostatic image development
- the content is 5 to 100% by weight, preferably 15 to 90% by weight, more preferably 30 to 80% by weight, and still more preferably 51 to 70% by weight. If the weight is less than 0 / o, the low-temperature fixability may deteriorate.
- (B) a styrene resin and a Z or polyester resin are preferably used in addition to the binder as a resin component.
- styrene resin polystyrene and z or a styrene monounsaturated carbonyl compound copolymer resin are preferable.
- unsaturated carbonyl compound there can be used, for example, esthenoacrylate acrylate, esthenolate methacrylate, atarilonitrile, maleate, fumarate, and maleic anhydride.
- the above ester portion includes methyl, ethyl, propyl, isopropyl, butyl, 2-butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, pendecyl, dodecyl, stearyl, 2-ethylhexyl, benzyl, phenyl, An alkyl group, an aryl group, an alkenyl group, and the like, such as butyl and aryl, are selected.
- the copolymerization ratio (styrene component / acryl component) is preferably larger than 1.1.
- the weight average molecular weight is preferably from 4000 to 100,000, preferably from 100 to 400,000, and the number average molecular weight is preferably from 100,000 to 50,000, preferably from 40,000 to 200,000.
- the weight molecular weight is less than 40,000 or the number average molecular weight is less than 100,000, the mechanical strength of the terpene resin and / or rosin resin, and the composition with Z or hydrogenated aromatic petroleum resin is not sufficient. However, there is a problem with the storage stability of the printed image. When the weight molecular weight is 1,000,000 or more, or the number average molecular weight is 500000 or more, the softening temperature of the composition with the terpene resin, and / or the rosin resin, and / or the hydrogenated aromatic petroleum resin, and Mechanical strength is too high, there is a problem with low-temperature fixability and toner crushability. Further, as the polystyrene polymer, a polymer containing a fluidity improver such as liquid paraffin may be used.
- alcohol components such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol ⁇ , 1,4-dihydroxycyclohexane, bisphenol monoole A, bisphenol monoole A, and ethylene glycolone Raw dionolle, ⁇ , ⁇ -alkylenediol (C2-C12) such as 1,3-propylene glycol, hydrogenated bisphenol A, bisphenol mono F, bisphenol F ethylene glycol modified raw dinole, bisphenol S, bisphenolone S — Ethylene glycol modified raw di / re, biphenolone, biphenol monoethylene glycol modified diol, dihydric alcohol such as neopentyglycol, tri- or higher polyhydric alcohol such as glycerin, etc.
- dihydric alcohol such as neopentyglycol, tri- or higher polyhydric alcohol such as glycerin, etc.
- aliphatic dicarboxylic acids such as co-alkylenedicarboxylic acid (C2-C12), maleic acid, fumaric acid, 1,4-cyclohexanedicarboxylic acid, 2,3-bicyclo [2, 2, 1] alicyclic dicarboxylic acids such as dicarboxylic acid, phthalic acid, isophthalic acid, terephthalic acid, naphthalene
- Aromatic dicarboxylic acids such as dicarboxylic acid, biphenylcarboxylic acid, 4,4,1-bis (2,2-isopropylidene) dicarboxylic acid, and trivalent or higher polycarboxylic acids such as trimellitic acid; and acid halides thereof.
- Those synthesized using an ester derivative or the like as a raw material can be used. These raw materials may be used alone or in combination of two or more.
- (A) (a) terpene resin, (b) rosin resin, or (c) at least one resin selected from aromatic hydrogenated petroleum resin, and (B) styrene resin and / or polyester resin
- the weight ratio ((A) / (B)) of the components (A) and (B) is 90/10 to 15/85, preferably 80 to 20/30 70, More preferably, it is 70Z30 to 51/49.
- the resin of the component (A) and the resin of the component (B) may be used alone or as a mixture of two or more. If the content of the component (A) is less than 0.15 in the mixing ratio of these two components, the effect of the present invention having excellent low-temperature fixability may not be obtained. On the other hand, when the content of the component (A) exceeds 0.90, the resin composition becomes brittle and may be unsuitable for use as a toner binder resin.
- the glass transition temperature of the resin composition is preferably 50 ° C or more.
- the temperature is more preferably 60 ° C. or higher. If the glass transition temperature of the resin composition is less than 50 ° C., the toner produced by using the resin composition tends to generate toner blocking that aggregates during storage.
- the heat softening temperature a temperature in the range of 80 to 140 ° C, preferably 100 to 130 ° C is suitably used. If the heat softening temperature is less than 80 ° C., toner particles tend to agglomerate due to frictional heat in the device before development. If the heat softening temperature exceeds 140 ° C., the low-temperature fixability may not be sufficient.
- the mechanical strength of the resin composition is a practically important property together with the above-mentioned thermal property. For this reason, as described above, by adjusting the molecular weight and copolymer composition of the resin used as the component (A) or the component (B), which is a constituent component of the resin composition, an appropriate mechanical strength, especially Those having a controlled degree of brittleness are preferably used.
- the toner-binder-resin of the present invention obtained in this way is particularly suitable as a binder resin for a toner for contact heating and pressure fixing by a heat roll.
- the toner for developing an electrostatic image according to the present invention contains, as the toner resin, one or more of the above-mentioned toner binder resins.
- the content ratio of the toner binder resin in the toner resin is not particularly limited, but is usually 50% by weight or more, preferably 70% by weight or more. If the content of the toner binder resin is less than 50% by weight, the effect of the present invention may not be sufficiently obtained. When the content ratio is 50% by weight or more, the above-mentioned effects are sufficiently exhibited. In particular, when the content ratio is 70% by weight or more, the pulverizability in producing the toner is good, and the low-temperature fixability is also good. A good toner can be obtained.
- the above-mentioned toner binder is used as the toner resin.
- Elastomers can be used together with one resin as long as the effects of the present invention are not impaired. The combined use of this elastomer improves the rheological properties during melting and increases the temperature at which offset occurs.
- This elastomer is not particularly limited, and any one can be selected from conventionally known ones.
- elastomer specifically, those described in the first invention correspond.
- a styrene-butadiene copolymer is particularly preferred.
- These elastomers may be used alone or in a combination of two or more.
- the content of the elastomer in the total toner resin is preferably 30% by weight or less. If the content exceeds 30% by weight, the pulverizability during production of the toner may be reduced.
- wax can be used as the toner resin together with the toner binder resin.
- the status is not particularly limited, and any one can be selected from conventionally known ones.
- the wax described in the first invention corresponds to the wax.
- styrene oligomers, amorphous poly- ⁇ -olefins, and the like are preferably used as resins having the same physical properties as wax.
- polyethylene wax, polypropylene wax, acid-modified polyethylene wax, and acid-modified polypropylene wax are particularly preferable.
- One type of these waxes may be used, or two or more types may be used in combination.
- the binder resin of the present invention is used in combination with the wax, the content of the wax in the total toner resin is preferably 30% by weight or less. No. When the content exceeds 30% by weight, the glass transition temperature is lowered, and the blocking resistance may be deteriorated.
- thermoplastic resin can be used in combination with the toner of the present invention, if desired.
- specific examples of such a thermoplastic resin include those described for the first invention.
- One of these thermoplastic resins may be used, or two or more of them may be used in combination.
- antioxidants include hindered phenol-based antioxidants, aromatic amine-based antioxidants, hindered amine-based antioxidants, sulfido-based antioxidants, and organic phosphorus-based antioxidants.
- Hindered phenolic antioxidants are preferred. One of these antioxidants may be used, or two or more thereof may be used in combination.
- the toner of the present invention or the toner resin used therein may optionally contain additives other than the above, such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- additives other than the above such as an antioxidant, an ozone deterioration inhibitor, an ultraviolet absorber, a light stabilizer, a softener, a reinforcing agent, and a filler.
- the toner for developing an electrostatic image of the present invention usually contains 25 to 95% by weight of a toner binder (toner resin) and 0 to 10% by weight of a colorant. /. 0 to 70% by weight of a magnetic powder, 0 to 10% by weight of a charge control agent and 0 to 10% by weight of a lubricant, and 0 to 1.5% by weight of a fluidizing agent and a cleaning aid as an external additive. 0-1.5% is added.
- coloring agent examples include those described in the first invention.
- the magnetic powder examples include iron, cobalt, nickel, magnetite, hematite, and ferrite. Of this magnetic powder The particle size is usually selected in the range from 0.05 to 1 ⁇ m, preferably from 0.1 to 0.5 ⁇ .
- the charge control agent is a substance capable of giving a positive or negative charge by triboelectric charging, and specifically corresponds to those described in the first invention.
- the lubricant for example, polytetrafluoroethylene, low molecular weight polyolefin, fatty acid and its metal salts and amides can be used.
- the fluidizer and the cleaning aid used as the external additive specifically correspond to those described in the first invention.
- the method for preparing the toner of the present invention is not particularly limited, and a conventionally known method, specifically, the method described in the first invention applies.
- the toner for developing an electrostatic image prepared in this way is mixed with carrier particles and used as a developer for two-component development, or used alone as a developer for one-component development.
- the carrier for example, a magnetic powder carrier, a magnetic powder resin-coated carrier, a binder carrier, a glass bead, and the like are applied.
- the particle size of these carriers is usually about 20 to 500 ⁇ m.
- the magnetic powder carrier specifically corresponds to the one described in the first invention.
- the magnetic powder resin-coated carrier one obtained by coating the above-described magnetic particles as a core material with a resin is used.
- the coating resin described in the first invention corresponds to the coating resin.
- the magnetic powder resin-coated carrier includes conductive fine particles (carbon black, conductive metal oxide, metal powder), and inorganic fillers (silica, silicon nitride, boron nitride, alumina, zirconia, silicon carbide). , Boron carbide, titanium oxide, clay, talc, glass fiber), the charge control agent exemplified above, and the like, if necessary.
- the thickness of the resin coating on the carrier core material is preferably about 0.1 to 5 m.
- the toner for developing an electrostatic image of the present invention comprises a support (paper, polyester, etc.)
- the fixing method for example, pressure fixing, heat fixing (SURF fixing, fixing with a hot plate, oven fixing, infrared lamp fixing, etc.), contact heating pressure fixing, flash fixing, solvent fixing, etc. can be applied.
- Contact heating pressure fixing is preferred.
- a toner having a minimum fixing temperature of 140 ° C. or lower is preferable, and a toner capable of fixing at a low temperature of 130 ° C. or lower is particularly preferable.
- the toner of the present invention can be applied to any type of magnetic one-component development, magnetic two-component development, non-magnetic one-component development, non-magnetic two-component development, and liquid development. It is advantageously used for two-component development and non-magnetic one-component development.
- the toner of the present invention can be applied to various developing methods. Specifically, those described in the first invention correspond to this.
- the toner of the present invention can be applied to any machine of corona charging (corotron type, scorotron type, etc.) and contact charging (charging roll type, charging brush type, etc.). Further, a method without a cleaning step, a blade method, a fur brush method, a magnetic brush method, a roller cleaning method, and the like can be applied, but a blade method and a method without a cleaning step are preferable.
- the toner of the present invention can be applied to any of organic electrophotographic photoreceptors (laminated type, single-layer type) and inorganic photoreceptors (amorphous silicon, amorphous selenium, selenium-based photoconductor, germanium-based photoconductor). It is particularly preferable to apply the present invention to an organic electrophotographic photoreceptor and an inorganic photoreceptor using amorphous silicon.
- the toner of the present invention is applicable to (1) both the reversal development process and the positive development process, (2) applicable to both positively and negatively charged toner, and (3) monochrome. Applicable to any color printing press (4) Applicable to both analog printing machines and digital printing machines. (5) Copiers, printers (laser beam printers, liquid crystal shutters, printers, etc.), fax machines and their combinations. It is applicable to machines.
- the softening temperature, average molecular weight, aromatic ring content, and aromatic ring hydrogenation rate were measured according to the following methods.
- the softening temperature of the raw material resin alone is a value measured by a ring and ball method based on JIS K-2207 unless otherwise specified.
- the number average molecular weight and weight average molecular weight in terms of polystyrene were measured by gel permeation chromatography (GPC).
- a 1-liter autoclave was charged with 272 g of xylene as a solvent, heated to 260 ° C. under a nitrogen gas atmosphere, and a mixture of 170 g of dicyclopentagene and 170 g of styrene was added thereto with stirring over 2 hours. Then, keep the temperature at 260 ° C and react for another 140 minutes. From the polymer solution thus obtained, unreacted substances and low-polymerized substances were removed by distillation to obtain a resin [Ia].
- This resin [Ia] is composed of a structural unit derived from dicyclopentadiene of the component A and a structural unit derived from styrene of the component B in a weight ratio of 50:50, and has a number average molecular weight; Softening temperature: 92 ° C., Bromine value: 60 g / 100 g; Aromatic ring content: 44% Next, 250 g of the above resin [Ia], 3.0 g of a nickel-diatomaceous earth catalyst and cyclohexane 2 as a solvent were placed in a 1-liter autoclave.
- This resin [na] is composed of a structural unit derived from dicyclopentadiene of the component A and a structural unit derived from styrene of the component B in a weight ratio of 50:50, and has a heat softening temperature of 125 °.
- C bromine value; 2.2 g Z 100 g, (bromine value of hydrogenated resin / bromine value of unhydrogenated resin) X100; 3.7%, aromatic ring content; 2.9%; aromatic Ring hydrogenation rate: 93%.
- the thermal softening temperature, bromine value, average molecular weight, aromatic ring content, and aromatic ring hydrogenation rate of the resin were measured according to the following methods. ⁇
- Aromatic ring hydrogenation rate (%) [11 (content of aromatic ring of hydrogenated resin Z content of aromatic ring of unhydrogenated resin)] X100
- This resin [Ib] is composed of a structural unit derived from dicyclopentadiene of the component A and a structural unit derived from styrene of the component B in a weight ratio of 50 to 50, and has a number average molecular weight of 690; Temperature: 110 ° C, bromine number: 62 gZl 100 g; aromatic ring content: 46%.
- This resin [nb] is composed of a structural unit derived from dicyclopentadiene of component A and a structural unit derived from styrene of component B in a weight ratio of 50:50, and has a heat softening temperature of 125 °.
- titania fine particles manufactured by Idemitsu Kosan Co., Ltd .; Idemitsu Titania
- conductive fine particles To 100 parts by weight of the obtained toner particles, 0.5 parts by weight of titania fine particles (manufactured by Idemitsu Kosan Co., Ltd .; Idemitsu Titania) are added as conductive fine particles, and the mixture is mixed with a Henschel mixer. Toner was obtained.
- a polyethylene coat carrier [Idemitsu Kosan Co., Ltd .: Idemitsu Carrier] was used as the carrier.
- a commercially available printer [Kyocera; FS-600] was modified to make the temperature of the heat roll part variable, and used as a test machine for measuring the minimum fixing temperature and the temperature at which offset occurred. Using this tester, the minimum fixing temperature and offset occurrence temperature of the toner were measured.
- 100 g of the two-component developer obtained above was collected in a polyethylene container having an internal volume of 100 milliliters, and then heated and humidified [temperature 30 ° C; humidity 80% ( HH in Table 1-1)], normal temperature and normal humidity conditions [Temperature 20 ° C; humidity 50% (indicated as NN in Table 1-1)], low temperature and low humidity conditions [Temperature 1 0 ° C; Humidity 20% (indicated as LL in Table 1-1)], and stirred for 1 hour at 100 r111 with a ball mill base.
- the charge amount was evaluated using a chemical company; TB-200].
- the glass transition temperature (expressed as Tg in Table I-1) and the thermal softening point (expressed as Tm in Table I-1) were measured.
- Example 1-1 the amount of hydrogenated resin [nb] used as a raw material component was changed to 95 g, and the amount of polystyrene was changed to 5 g, the composition ratio of both A and B components; A brittleness evaluation sample and a toner sample were manufactured and evaluated in the same manner as in Example 1-1, except that the resin composition of [AZ (A + B)] was 0.95. Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- a sample for evaluation of brittleness and a sample of toner were manufactured and evaluated. Table 1-1 shows the evaluation results for low-temperature fixability, charging stability and brittleness. -
- Example 1-1 the amount of the hydrogenated resin [nb] used as a raw material component was changed to 71 g, and the amount of the same polystyrene component as in Example 1-3 was changed to 29 g. Otherwise, a brittleness evaluation sample and a toner sample were manufactured and evaluated in the same manner as in Example 1-1. Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness. (Example I-5)
- Example I-1 the amount of hydrogenated resin [nb] used as a raw material component was changed to 56 g, and the amount of the same polystyrene component as in Example 1-3 was changed to 44 g.
- the composition ratio of both components, A and B; [A / (A + B)] 0.56, except that the resin composition was the same as in Example 1-1, and a sample for evaluating brittleness and a sample of toner were used. was manufactured and evaluated. Table 1-1 shows the evaluation results for low-temperature fixability, charging stability and brittleness.
- Example 1-1 the amount of the hydrogenated resin [nb] used as a raw material component was changed to 71 g, and a polystyrene component having a weight average molecular weight of 65,000 [Sanyo Chemical Co .; Hymer SB-1 50]
- a brittleness evaluation sample and a toner sample were manufactured and evaluated in the same manner as in Example 1-1 except that the weight was changed to 29 g.
- Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- Example 1-1 the amount of the hydrogenated resin [nb] used as a raw material component was changed to 71 g, and polystyrene having a molecular weight of 45,000 as a polystyrene component [Sanyo Kasei Co .; Hymer SB-130 A brittleness evaluation sample and a toner sample were manufactured and evaluated in the same manner as in Example 1-1 except that the amount was changed to 29 g.
- Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- a brittle evaluation sample and a toner sample were manufactured and evaluated in the same manner as in Example 1-1, except that the product was used.
- Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- Example 1-1 71 g of the hydrogenated resin [na] obtained in Synthesis Example I-2 was used in place of the hydrogenated resin [nb] used as a raw material component, and Example 1 was used as a polystyrene component.
- a sample for evaluation of brittleness and a sample of toner were manufactured and evaluated in the same manner as in Example I-1, except that the amount of use of the same material as in Example-3 was changed to 29 g.
- Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- Example 1-1 71 g of a hydrogenated alicyclic saturated hydrocarbon resin [manufactured by Arakawa Chemical Industries, Ltd .; Alcon P-125] was used instead of the hydrogenated resin [nb] used as a raw material component.
- a brittleness evaluation sample and a toner sample were manufactured and evaluated in the same manner as in Example 1-1 except that the amount of the same polystyrene component as in Example I-3 was changed to 29 g. Did.
- Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- Example 1-1 71 g of a hydrogenated alicyclic saturated hydrocarbon resin [manufactured by Arakawa Chemical Industries; Alcon M-115] was used instead of the hydrogenated resin [nb] used as a raw material component.
- a brittleness evaluation sample and a toner sample were manufactured and evaluated in the same manner as in Example 1-1 except that the amount of the same polystyrene component as in Example I-3 was changed to 29 g. Did.
- Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- Example 1-1 the hydrogenated resin [ ⁇ Ib] used as a raw material component was replaced with In addition, 71 g of hydrogenated alicyclic saturated hydrocarbon resin [manufactured by Tonex Corporation; Escolets 5320] was used, and the amount of the same polystyrene component as in Example 1-3 was changed to 29 g. In the same manner as in Example 1-1, a brittleness evaluation sample and a toner sample were manufactured and evaluated. Table 1-1 shows the evaluation results for low-temperature adhesion, charging stability and brittleness. (Comparative Example I-1)
- Example 1-1 the amount of the hydrogenated resin (nb) used as the component A was changed to 100 g, and the polystyrene component of the component B was not used, except that the polystyrene component of the component B was not used.
- a brittleness evaluation sample and a toner sample were manufactured and evaluated. Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- Example 1-1 the polystyrene having a weight average molecular weight of 300,000 [Idemitsu Petrochemical Co., Ltd.] used in Example 1-1 was used as the B component without using the hydrogenated resin [nb] used as the A component.
- a sample for evaluating brittleness and a sample of toner were manufactured and evaluated in the same manner as in Example 1-1 except that 100 g of IDEMITSUP S.HH 30 was used. Table I-1 shows the evaluation results for low-temperature fixability, charging stability and brittleness.
- Example 1-1 the polystyrene having a weight average molecular weight of 100,000 [Idemitsu Petroleum Co., Ltd.] used in Example 1-3 was used as the B component without using the hydrogenated resin [IIb] used as the A component.
- a sample for evaluating brittleness and a sample of toner were manufactured and evaluated in the same manner as in Example 1-1 except that 100 g of IDEMITSUP S. HF10 manufactured by Chemical Company was used. Table 1-1 shows the evaluation results for low-temperature fixability, charging stability, and brittleness.
- Example I-1 (Comparative Example 1-4)
- the amount of the hydrogenated resin [nb] used as the component A was changed to 20 g
- a brittleness evaluation sample and a toner sample were manufactured and evaluated.
- Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness.
- styrene-acrylic toner resin As a styrene-acrylic toner resin, a styrene-acrylic toner resin described in Journal of the Adhesion Society of Japan, Vol. 23, No. 12, p489-p497 (1987) was synthesized to obtain a sample for evaluation.
- the styrene-acrylic toner resin synthesized here has a structural unit derived from styrene: 65:35 structural unit derived from butyl methacrylate, a weight average molecular weight of 86,000, and a glass transition temperature of 6 It was 1 ° C.
- Table 1-1 shows the evaluation results of the low-temperature fixability, charge stability, and brittleness of the samples for the brittleness evaluation and the toner samples.
- polyester-based toner resin As a polyester-based toner resin, a polyester-based toner resin obtained by additionally testing Example I-2 described in Japanese Patent Application Laid-Open No. Sho 61-501 027 has a brittleness similar to that of Example 1-1. Evaluation samples and toner samples were manufactured and evaluated. Table 1-1 shows the evaluation results for low-temperature fixability, charge stability and brittleness. 3 ⁇ 4 1 Example Minimum fixing offset 3 ⁇ 4 ⁇ Quantity ( ⁇ Z g) Brittleness (number of times Z1 0 times) Thermal properties Temperature Generation temperature
- polystyrene polymer As the polystyrene polymer as the component (a), 4.8 kg of polystyrene having a weight average molecular weight of 210,000 [manufactured by Idemitsu Petrochemical Co., Ltd .; HF-10] was used.
- the petroleum resin-based polymers used as component (b) are as follows. That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene polymer as the component (a) is used, a 3 mm-thick film-shaped molded article of the resin composition is formed in accordance with JISK7105. The measured total light transmission amount was 91% of the incident light amount, and the haze value measured in accordance with JISK7105 was 1.1%.
- an aromatic petroleum resin (Mitsui) having a softening temperature of 120 ° C and a Hazen color number of 50 measured in accordance with JIS K 6901, and obtained by purifying an aromatic compound component having a specific structure as a raw material Chemical company; FTR-8120] 5.2 kg was used.
- the resin composition obtained in the above (1) was heated from room temperature to 600 ° C. in air with a thermogravimetric device [TG / DTA 300 manufactured by Seiko Denshi Co., Ltd.] at a rate of 10 ° C./min. The change in weight when the temperature was raised to 150 ° C was observed, and the weight change ratio (percentage) at 150 ° C to the initial weight was measured.
- the resin composition obtained in the above (1) was heated by a differential scanning calorimeter (manufactured by Seiko Denshi Co., Ltd.) at a heating rate of 10 ° C./10 minutes in accordance with JISK7121, The extrapolated glass transition onset temperature in the second heating was determined.
- the resin composition obtained in the above (1) was measured with a flow tester-softening temperature measuring device manufactured by Shimadzu Rika Kikai Co., Ltd. Measurement conditions were as follows: load: 20 kgf, orifice diameter: 1.0 mm, length: 1.0 mm, plunger area: 1.
- a chromium-containing metal dye manufactured by Orient Chemical Industries; Pontrone S-344
- a charge control agent 2 parts by weight, 5 parts by weight of a polypropylene wax as a wax (manufactured by Sanyo Chemical Co .; VISCOL 550), and 7 parts by weight of a carbon black as a colorant (manufactured by Mitsubishi Chemical Corporation; MA-100) were mixed.
- the mixture was kneaded at a resin temperature of 160 ° C by a Labo Plastomill.
- the kneaded material was roughly pulverized by a Feza mill. Then, the roughly pulverized product was Kona ⁇ by jet Tomiru and classified by an air classifier to obtain toner particles of the body volume average particle diameter of 1 0 mu m.
- titania fine particles manufactured by Idemitsu Kosan Co., Ltd .; Idemitsu Titania
- a Henschel mixer a Henschel mixer
- the adequacy of the mechanical strength of the toner was evaluated based on the pulverizing pressure of the jet mill at the time of pulverization in (2) above and the amount of fine powder components having a particle size of less than 5 ⁇ m removed by the airflow classifier. .
- those requiring a higher milling pressure were designated as "too strong” and those with a large amount of fine powder were designated as "too weak”.
- a commercially available printer [manufactured by Kyocera Corporation; FS-600] was modified to make the temperature of the heat port variable, and used as a test machine for measuring the minimum fixing temperature and the temperature at which offset occurred. Using this tester, the minimum fixing temperature and offset occurrence temperature of the toner were measured.
- the low-temperature fixing property those having a minimum fixing temperature of 145 ° C or less are good (indicated by ⁇ in Table II-1), and those having a minimum fixing temperature of 146 ° C or more. was determined to be defective (marked with X in Table II-1).
- the one with a hot offset generation temperature of 210 ° C or more is good (indicated by a ⁇ in Table II-1), and the hot offset generation temperature is 209 ° C or less.
- the hot offset generation temperature is 209 ° C or less.
- Example II-1 Except that the amount of (a) component polystyrene used in Example II-1 was changed to 1.5 kg and the amount of component (b) petroleum resin used was changed to 8.5 kg, The procedure was the same as in Example II-1.
- Table II-1 shows the evaluation results of the resin composition and toner thus obtained.
- Example II-3 The amount of the polystyrene (a) used in Example II-1 was changed to 6.5 kg, and the following petroleum resin (b) was used. That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene polymer of the component (a) is used, a 3 mm-thick film-shaped molded product of the resin composition conforms to JISK7105. The total amount of transmitted light measured was 93% of the amount of incident light, and the haze value measured according to JISK7105 was 1.3%.
- aromatic petroleum resin manufactured by Mitsui Chemicals; FTR-81
- FTR-81 which has a softening temperature of 120 ° C and a Hazen color number of 50, and is made from refined aromatic compound components having a specific structure.
- the procedure was the same as in Example II-1 except that the weight was changed to 3.5 kg.
- Table 11-1 shows the evaluation results of the resin composition and the toner thus obtained.
- Example II-1 In place of the polystyrene used as the component (a) in Example II-1, polystyrene having a weight average molecular weight of 380,000 [Idemitsu Petrochemical Co .; US-305] 3. O kg was used, and (b) The procedure was the same as in Example II-1, except that the amount of petroleum resin used was changed to 7.0 kg.
- Table II-1 shows the evaluation results of the resin composition and the toner thus obtained.
- Example II-1 instead of the polystyrene used as the component (a) in Example II-1, the weight average molecular weight was 110,000, and styrene: butyl methacrylate was used as a monomer in a molar ratio of 75:25. The procedure was the same as in Example II-1, except that a styrene-butyl methacrylate copolymer resin obtained by copolymerization was used.
- Example II-1 The following were used in place of the petroleum resin used as the component (b) in Example II-1. That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene polymer of the component (a) is used, a 3 mm-thick film-shaped resin composition is measured in accordance with JISK7105. The total transmitted light amount was 86% of the incident light amount, and the haze value measured according to JISK710 was 5.3%.
- Table II-1 shows the evaluation results of the resin composition and the toner thus obtained.
- the hydrogenated cyclopentadiene-styrene copolymer thus obtained was as follows. That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene-based polymer as the component (a) was used, a 3 mm-thick film-shaped molded product of the resin composition was measured in accordance with JISK 7105. The total amount of transmitted light was 90.3% of the amount of incident light, and the haze value measured in accordance with JISK 7105 was 4.1%. The softening temperature was 120 ° C, the aromatic component content was 43% by weight, the bromine number was 14 gZ 100 g, and the Gardner color number was 3.
- Example II-1 was the same as Example II-1, except that the component (a) in Example II-1 and the petroleum resin obtained above were used as the component (b).
- Table 11-1 shows the evaluation results of the resin composition and the toner thus obtained.
- Example II-1 In place of the petroleum resin used as the component (b) in Example II-1, the following petroleum resin was used as the component (b). That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene-based polymer of the component (a) is used, a 3 mm-thick film-shaped molded product of the resin composition conforms to JISK 7105-. The total amount of transmitted light measured was 74% of the amount of incident light, and the haze value measured according to JISK710 was 3.2%. Further, the same as Example II-1 except that an aromatic petroleum resin having a softening temperature of 90 ° C. and a color number of one color of 6 (Petrotac 90 manufactured by Tosoh Corporation) was used. I did it.
- Example II-1 In place of the petroleum resin used as the component (b) in Example II-1, the following petroleum resin was used as the component (b). That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene-based polymer of the component (a) is used, a 3 mm-thick film-shaped molded product of the resin composition is based on JISK 7105. Of the incident light was 72% of the incident light amount, and the haze value measured in accordance with JISK 7105 was 6.1%. The procedure was the same as in Example II-1 except that an aromatic petroleum resin having a softening temperature of 120 and a Gardner color number of 7 [Tosoh Ito Co .: Protocol 120] was used. .
- Table II-1 shows the evaluation results of the resin composition and the toner thus obtained.
- Example II-1 In place of the petroleum resin used as the component (b) in Example II-1, the following petroleum resin was used as the component (b). That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene-based polymer of the component (a) is used, a 3 mm-thick film-shaped molded product of the resin composition is based on JISK 7105. The total amount of transmitted light measured at 66.2% of the incident light amount, and JI
- Example II- an aromatic petroleum resin having a softening temperature of 100 ° C. and a Gardner color number of 8 (manufactured by Toho Chemical Industries, Ltd .: High Resin # 90) was used.
- Table 11-1 shows the results of the evaluation of the resin composition obtained here.
- Example II-11 In place of the petroleum resin used as the component (b) in Example II-1, the following petroleum resin was used as the component (b). That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene-based polymer of the component (a) is used, a 3 mm-thick film-shaped molded product of the resin composition is based on JISK 7105. Of the incident light was 91% of the amount of incident light, and the haze value was 1.2% as measured in accordance with JISK 7105.
- a 500-milliliter flask equipped with a thermometer and stirrer was charged with 50 g of methyl styrene, 50 g of isopropenyltoluene and 200 g of toluene as a solvent, and the temperature was maintained at 0 ° C with stirring. Then, 1.0 g of a boron trifluoride phenol complex was added dropwise over 20 minutes. Further, the reaction was allowed to proceed with stirring at 0 ° C. for 2 hours, and then 50 g of a 2% by weight aqueous sodium hydroxide solution was added to decompose the catalyst. After the obtained reaction solution was washed with water and the solvent was distilled off, unreacted monomers and low-polymer were removed at 200 ° C. under reduced pressure of 5 mmHg to obtain an aromatic petroleum resin.
- Example II-1 In place of the petroleum resin used as the component (b) in Example II-1, the following petroleum resin was used as the component (b). That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene-based polymer of the component (a) is used, a 3 mm-thick film-shaped molded product of the resin composition is based on JISK 7105. Was 87% of the incident light amount, and the haze value measured in accordance with JISK710 was 4.3%. Also, soft Example II-1 except that the polymerization temperature was 10 oC and that the indene: butyltoluene was used as a monomer in a molar ratio of 1: 3, and a petroleum resin copolymerized as follows was used. Same as.
- Table II-1 shows the evaluation results of the resin composition and the toner thus obtained.
- Example II-1 The following were used in place of the petroleum resin used as the component (b) in Example II-1. That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene polymer of the component (a) is used, a 3 mm-thick film-shaped resin composition is measured in accordance with JISK7105. The total amount of transmitted light was 87% of the amount of incident light, and the haze value measured according to JISK710 was 2.8%. Further, it is a dicyclopentadiene polymer-based petroleum resin having a hydroxyl value of 22 Omg K ⁇ H7g (“Quinton 1700” manufactured by Zeon Co., Ltd., softening temperature 100 ° C.).
- a 3 mm-thick film-like molded product of the resin composition is JISK7105
- the total amount of transmitted light measured according to JISK was 48% of the amount of incident light, and the haze value measured according to JISK7105 was 92%.
- the softening temperature was 125 ° C
- the bromine number was 4.4 gZl 00 g
- the aromatic ring content was 24% by weight
- the aromatic ring hydrogenation rate was 48%.
- Example II-1 was the same as Example II-1 except that the polystyrene as the component (a) in Example I-1 and the petroleum resin obtained above as the component (b) were used.
- the evaluation results of the resin composition and toner obtained here are shown in Table II-1.
- the following petroleum resin was used as the component (b). That is, the component (a) When a styrene-based polymer and a resin composition having a weight ratio of 1: 1 were used, the total light transmission of a 3 mm-thick film-shaped molded product of the resin composition was measured in accordance with JISK7105. The amount of incident light was 48%, and the haze value measured according to JISK710 was 3.1%. In addition, a petroleum resin having a softening temperature of 120 ° C.
- Example II-1 a resin composition in the same manner as in Example II-1.
- the obtained resin composition was colored and had a low total light transmittance of 47.9%.
- the evaluation results of the resin composition obtained here and the toner manufactured using the same in the same manner as in Example II-1 are shown in No. II1.
- the following petroleum resin was used as the component (b). That is, when a resin composition having a weight ratio of 1: 1 with the polystyrene polymer of the component (a) is used, a 3 mm-thick finolem-shaped molded article of the resin composition conforms to JISK7105. The total amount of transmitted light measured was 54% of the amount of incident light, and the haze value measured according to JISK 7105 was 6.3%.
- polystyrene polymer of the component (B) 4.5 kg of polystyrene having a weight average molecular weight of 210,000 [manufactured by Idemitsu Petrochemical Co., Ltd .; HF-10] was used.
- terpene resin of the component (A) 5.5 kg of a terpene funoyl resin (manufactured by Yashara Chemical Co .; Mighty Ace G125) having a softening temperature of 120 ° C. and dipentene as a raw material was used.
- the resin composition obtained in the above (1) was determined by a differential scanning calorimeter (manufactured by Seiko Instruments Inc.) in the same manner as described in the second invention.
- toner particles having a volume average particle diameter of 10 / m were obtained by the same method as described in the second invention.
- 0.5 parts by weight of titania fine particles are added to 100 parts by weight of the obtained toner particles as a fluidity-providing agent, and mixed with a Henschel mixer.
- the electrostatic charge image A developing toner was obtained.
- Example III except that the terpene resin as the component (a) was replaced with a hydrogenated aromatic modified terpene resin having a softening temperature of 110 ° C. (manufactured by Yashara Chemical Co., Ltd .: Clearon K-110). — Same as 1.
- Example III except that the terpene resin as the component (a) was replaced with an aromatic modified terpene resin having a softening temperature of 115 ° C [Yasuhara Chemical Co., Ltd .: YS Resin TO—115]. I did the same as 1.
- terpene resin As the terpene resin as the component (a), a terpene phenol resin made from ct-pinene having a softening temperature of 115 ° C [Yasuhara Chemical Co., Ltd .: YS Polyester Tl 15] was used. Except for the above, the procedure was the same as in Example III-11. The results of evaluation of the resin composition and the toner obtained here are shown in Table III-11.
- terpene resin As the terpene resin as the component (a), a terpene phenol resin with a softening temperature of 100 ° C and a starting material of 1-binene and dipentene [Yashara Chemical Co., Ltd .: YS Resin PX-1 000] Otherwise, the procedure was the same as in Example III-11.
- Table III-11 shows the evaluation results of the resin composition and the toner thus obtained.
- a rosin-maleic acid resin (acid value 100) having a softening temperature of 113 ° C was used as the rosin resin of the component (A) and (b). Others were the same as in Example III-11.
- Example III-11 In place of the polystyrene used as the component (B) in Example III-11, the weight average molecular weight was 110,000, and the styrene: butyl methacrylate as a monomer had a molar ratio of 75:25.
- the hydrogenated aromatic stone of the component (A) is replaced with the terpene resin used as the component (A).
- the procedure was the same as in Example III-11, except that a hydrogenated aromatic petroleum resin having a softening temperature of 100 ° C. (Arakawa Chemical Industries, Ltd .: Alcon M100) was used as the oil resin.
- a toner was manufactured in the same manner as in Example III-11, except that 10 kg of the styrene-acrylic resin used in Example II-11 was used as the binder resin.
- Table III-11 shows the evaluation results of the resin used here and the obtained toner.
- a toner was produced in the same manner as in Example III-1, except that 1 O kg of the polyester resin used in Example II I-11 was used as the binder resin.
- Table III-11 shows the evaluation results of the resin used here and the obtained toner.
- III-1 9 63 115 137 ⁇ ⁇ ⁇
- the toner binder resin of the first invention is used for developing an electrostatic latent image formed in an electrophotographic method, an electrostatic recording method, an electrostatic printing method, or the like.
- the toner obtained by using the toner has an excellent effect that it has excellent low-temperature fixability, has mechanical strength enough to be practically used as a toner, and has a small environmental dependency of toner charging. .
- the resin composition of the second invention has excellent transparency, and is used for developing an electrostatic image used for developing an electrostatic latent image formed in an electrophotographic method, an electrostatic recording method, an electrostatic printing method, or the like. It is suitable for use as a toner binder resin.
- the toner for developing an electrostatic image formed by adding an appropriate amount of a coloring material, a charge control agent, and a wax to the resin composition has excellent low-temperature fixability, has appropriate mechanical strength, and is substantially transparent. Therefore, the color reproducibility of transmitted light when applied to color toner is excellent.
- the resin composition of the third invention is excellent in low-temperature fixability, has an appropriate mechanical strength as a toner resin, and has an electrostatic latent image formed in an electrophotographic method, an electrostatic recording method, an electrostatic printing method, or the like. It is suitable for use as a toner binder resin for developing electrostatic images.
- the toner for developing an electrostatic image formed by adding an appropriate amount of a coloring material, a charge control agent, and a wax to the resin composition has excellent low-temperature fixability and does not deteriorate pulverizability during toner production.
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Developing Agents For Electrophotography (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/787,906 US6538063B1 (en) | 1998-09-29 | 1999-09-28 | Resin composition, binder resin for toner and toner |
EP99944858A EP1153977A4 (en) | 1998-09-29 | 1999-09-28 | RESIN COMPOSITION, BINDING RESIN FOR PRINTING POWDER AND PRINTING POWDER |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27452098 | 1998-09-29 | ||
JP10/274520 | 1998-09-29 | ||
JP18667299 | 1999-06-30 | ||
JP11/186672 | 1999-06-30 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/787,906 A-371-Of-International US6538063B1 (en) | 1998-09-29 | 1999-09-28 | Resin composition, binder resin for toner and toner |
US10/319,659 Division US20030105240A1 (en) | 1998-09-29 | 2002-12-16 | Resin composition, binder resin for toner and toner |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000018840A1 true WO2000018840A1 (fr) | 2000-04-06 |
Family
ID=26503905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/005281 WO2000018840A1 (fr) | 1998-09-29 | 1999-09-28 | Composition a base de resine, resine liante pour poudre a imprimer et poudre a imprimer |
Country Status (3)
Country | Link |
---|---|
US (2) | US6538063B1 (ja) |
EP (1) | EP1153977A4 (ja) |
WO (1) | WO2000018840A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002088207A (ja) * | 2000-09-13 | 2002-03-27 | Polytec Design:Kk | ゴム組成物 |
WO2002062892A1 (fr) * | 2001-02-02 | 2002-08-15 | Idemitsu Kosan Co., Ltd. | Compositions de resine pour poudre d'encre et poudres d'encre |
US6756170B2 (en) | 2001-12-28 | 2004-06-29 | Toyo Ink Manufacturing Co., Ltd. | Electrostatic image developing toner and image-forming method using the same |
JP2006292820A (ja) * | 2005-04-06 | 2006-10-26 | Dainippon Ink & Chem Inc | 電子写真トナー用樹脂組成物 |
WO2008090919A1 (ja) * | 2007-01-26 | 2008-07-31 | Toyo Ink Mfg. Co., Ltd. | 静電荷像現像用トナー |
JP2009256504A (ja) * | 2008-04-18 | 2009-11-05 | Jsr Corp | 射出成形体形成用樹脂組成物および射出成形体 |
CN117264361A (zh) * | 2023-09-25 | 2023-12-22 | 上海方田粘合剂技术有限公司 | 一种常温可压粘的高弹性苯乙烯共聚物基树脂及其制备方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7214458B2 (en) * | 2003-08-28 | 2007-05-08 | Xerox Corporation | Toner compositions |
JP2005210055A (ja) * | 2003-12-22 | 2005-08-04 | Taiyo Yuden Co Ltd | 面実装コイル部品及びその製造方法 |
EP1586596A1 (en) * | 2004-04-14 | 2005-10-19 | DSM IP Assets B.V. | Radically curable resin compositions |
US20130041069A1 (en) * | 2010-04-30 | 2013-02-14 | Hewlettt-Packard Development Company, L.P. | Digital printing composition |
CN102654732B (zh) | 2011-08-04 | 2014-09-17 | 京东方科技集团股份有限公司 | 负性感光树脂组合物、彩色滤光片、液晶显示装置 |
JP6090082B2 (ja) * | 2013-09-24 | 2017-03-08 | カシオ計算機株式会社 | ラベルの製造方法 |
JP6384214B2 (ja) * | 2014-09-08 | 2018-09-05 | 富士ゼロックス株式会社 | 静電荷像現像用トナー、静電荷像現像剤、トナーカートリッジ、プロセスカートリッジ、画像形成装置、及び、画像形成方法 |
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JPS56154737A (en) * | 1980-05-02 | 1981-11-30 | Konishiroku Photo Ind Co Ltd | Toner for developing electrostatic charge image and its manufacture |
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EP0377553A3 (en) * | 1989-01-05 | 1991-12-27 | Resinall Corporation | Toner composition comprising rosin modified styrene acrylic resin |
JP3464042B2 (ja) * | 1994-06-02 | 2003-11-05 | 出光石油化学株式会社 | ゴム組成物 |
JPH08278658A (ja) * | 1995-02-08 | 1996-10-22 | Ricoh Co Ltd | 静電荷像現像用トナー |
US5512408A (en) * | 1995-06-23 | 1996-04-30 | Lexmark International, Inc. | Dry toner with gelled resin for high speed printer |
US5912100A (en) * | 1996-01-31 | 1999-06-15 | Ricoh Company, Ltd. | Toner for developing electrostatic images |
JP3597323B2 (ja) * | 1996-08-22 | 2004-12-08 | 株式会社リコー | 静電潜像現像用トナー |
US6040388A (en) * | 1996-11-27 | 2000-03-21 | Idemitsu Petrochemical Co., Ltd. | Copolymer, hydrogenated product thereof, and process for producing the same |
-
1999
- 1999-09-28 EP EP99944858A patent/EP1153977A4/en not_active Withdrawn
- 1999-09-28 US US09/787,906 patent/US6538063B1/en not_active Expired - Fee Related
- 1999-09-28 WO PCT/JP1999/005281 patent/WO2000018840A1/ja not_active Application Discontinuation
-
2002
- 2002-12-16 US US10/319,659 patent/US20030105240A1/en not_active Abandoned
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JPS5043935A (ja) * | 1973-08-21 | 1975-04-21 | ||
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JPS5494524A (en) * | 1978-01-06 | 1979-07-26 | Nippon Zeon Co Ltd | Improved coating composition |
JPS56154737A (en) * | 1980-05-02 | 1981-11-30 | Konishiroku Photo Ind Co Ltd | Toner for developing electrostatic charge image and its manufacture |
JPS59152970A (ja) * | 1983-02-21 | 1984-08-31 | Mitsui Petrochem Ind Ltd | 粘着剤組成物 |
JPH06263943A (ja) * | 1993-03-12 | 1994-09-20 | Nippon Steel Chem Co Ltd | スチレン系樹脂組成物およびそのシート |
JPH0711078A (ja) * | 1993-04-27 | 1995-01-13 | Dainippon Ink & Chem Inc | 芳香族ビニル系樹脂組成物 |
JPH08106174A (ja) * | 1994-08-09 | 1996-04-23 | Sekisui Chem Co Ltd | トナー用樹脂組成物及びトナー |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002088207A (ja) * | 2000-09-13 | 2002-03-27 | Polytec Design:Kk | ゴム組成物 |
WO2002062892A1 (fr) * | 2001-02-02 | 2002-08-15 | Idemitsu Kosan Co., Ltd. | Compositions de resine pour poudre d'encre et poudres d'encre |
US6756170B2 (en) | 2001-12-28 | 2004-06-29 | Toyo Ink Manufacturing Co., Ltd. | Electrostatic image developing toner and image-forming method using the same |
JP2006292820A (ja) * | 2005-04-06 | 2006-10-26 | Dainippon Ink & Chem Inc | 電子写真トナー用樹脂組成物 |
JP4505738B2 (ja) * | 2005-04-06 | 2010-07-21 | Dic株式会社 | 電子写真トナー用樹脂組成物 |
WO2008090919A1 (ja) * | 2007-01-26 | 2008-07-31 | Toyo Ink Mfg. Co., Ltd. | 静電荷像現像用トナー |
JP2009256504A (ja) * | 2008-04-18 | 2009-11-05 | Jsr Corp | 射出成形体形成用樹脂組成物および射出成形体 |
CN117264361A (zh) * | 2023-09-25 | 2023-12-22 | 上海方田粘合剂技术有限公司 | 一种常温可压粘的高弹性苯乙烯共聚物基树脂及其制备方法 |
CN117264361B (zh) * | 2023-09-25 | 2024-03-08 | 上海方田粘合剂技术有限公司 | 一种常温可压粘的高弹性苯乙烯共聚物基树脂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1153977A1 (en) | 2001-11-14 |
US6538063B1 (en) | 2003-03-25 |
EP1153977A4 (en) | 2004-11-10 |
US20030105240A1 (en) | 2003-06-05 |
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