CN103154822B - Recording materials for electrophotographic printer method - Google Patents

Recording materials for electrophotographic printer method Download PDF

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Publication number
CN103154822B
CN103154822B CN201180045143.9A CN201180045143A CN103154822B CN 103154822 B CN103154822 B CN 103154822B CN 201180045143 A CN201180045143 A CN 201180045143A CN 103154822 B CN103154822 B CN 103154822B
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recording materials
ink
weight
present
paper
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CN103154822A (en
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克里斯托夫·科兹洛夫斯基
安德列亚斯·奥弗贝格
赖纳·斯坦贝克
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Schoeller Technocell GmbH and Co KG
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Schoeller Technocell GmbH and Co KG
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Priority claimed from EP20100177636 external-priority patent/EP2431809B1/en
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Abstract

The present invention relates to a kind of recording materials for electrophotographic printer method, these recording materials are included in two sides and carry out the body paper of coating with artificial resin, this body paper have at least one side be arranged on the ink receptive layer in artificial resin coating, these recording materials ink receptive layer contain can be dissolved in water or can in water scattered binding agent, it is preferably ethylene acrylate polymer or ethylene acrylate copolymer, the inorganic pigment of fine particle shape and antistatic ingredient, wherein use the picture that ink and powdered ink can print perception with these recording materials and sense of touch can be equal to photographic silver halide.

Description

Recording materials for electrophotographic printer method
Technical field
The present invention relates to a kind of recording materials, utilize this material can produce photographic quality with electrophotographic printer method Picture.
Background technology
Laser printer is based on electrofax principle.Electrofax is by making optical conductor imaging with the optical imagery of original Or exposure, produces sub-image with electric charge, this sub-image is later used to selectively ink be coated (developing and printing) and make original become As (duplicating) is on paper.Electrofax is divided into directly or indirectly and wet type and a few class of dry type by people.Wet method (also referred to as liquid Body method for ink) use the suspension that is made up of the aliphatic solvent and ink with less dielectric constant as developing agent, and Dry method uses powder.The image of required page recorded on photosensitive toner cartridge by mirror by laser beam and rotation.One opens Beginning toner cartridge is with negative charge, and the local electric charge that laser beam arrives is discharged.The shape correspondence of the region of discharge on toner cartridge is after a while Print pattern.Guiding on toner cartridge by the cylinder containing the most electronegative ink by ink, ink is sticky in the region of discharge of toner cartridge Territory.
In powdered ink method, and then paper is guided to above toner cartridge.Paper is simply from the other process of toner cartridge.One is had after paper Individual potential energy field.Ink is sprayed onto on paper and ink is loose condition (of surface) at the beginning.Then by hot-rolling and pressure, ink compacting is fixed. Toner cartridge discharges and by unnecessary ink removing.
In ink medium, first ink suspension is coated onto on the rubber tube after heating, carrier liquid evaporation here and Ink plasticising.Ink pattern is delivered on data board by this intermediate calender rolls (Intermediate drum).
The picture made by laser printer should be able to reach the quality as photo.Include in the middle of this gloss, Stability and opacity, higher resolution and picture clarity and good light resistance.
At HP(Nannelore Breuer) open file in: the new laser paper (2005 of the technical know-how of printing: HP On May 13, h41131.www4.hp.com/Backgrounder_Neue_Laser-Papiere.pdf August 31 in 2010 Day state) describe the laminated coating paper of the porous surface with two sides " opening ".The picture applying this paper to make has From traditional silver-colored halogen visibly different sense of touch of photograph and different surface glosses.
In order to reach close to photographic quality, by the picture manufacture being made up of electrofax have silver-colored halogen photo sense of touch and On the recording materials of perception.A kind of image receiving material for electrofax is described, its bag in DE 44 35 350 C1 Contain the body paper with thermoplastic coating and ink carrier layer and anlistatig back layer.This material disadvantageously, its Ink is fixed and operation action in printer is required for improving.Additionally, this type of material has dry after photo print The glittering spot of immunity, these are by caused by the oily material added in ink set usually used as antitack agent.
Summary of the invention
It is an object of the invention to, it is provided that a kind of recording materials, it can carry out duplex printing, and have good figure Picture element amount, light resistance good in storage and ozone resistance and in printer can successfully paper feed and paper feed, With preferable stackability.
This purpose is realized by the recording materials for electrophotographic printer method, and these recording materials have two-sided with people The body paper of molding resins coating and at least one of which are arranged on the ink receptive layer in artificial tree lipid layer, and wherein ink receptive layer has energy Enough be dissolved in water or can in water scattered binding agent, the inorganic pigment of fine particle shape and there is the group of antistatic property Point.
The paper of artificial resin coating preferably has special configuration of surface, and paper roughness value Rz is 0.03 to 15 μm. Ink receptive layer contains and absorbs the ethylene-acrylic acid copolymer of ink, the pigment of oil suction of fine particle shape and conductive materials Mixture, wherein conductive materials is oxide or the conducting polymer of the fine particle shape conducted electricity.
According to the purpose of the present invention, body paper refer to without coating or the paper of surface size.Except fiber in body paper Possibly together with sizing agent beyond cellulose fiber, such as alkyl ketene dimer, fatty acid and/or soap, epoxidised fatty acid acyl Amine, thiazolinyl or alkyl succinic anhydride, the such as wet strength agent of polyamine-polyamide-epichlorohydrin, such as anion, cation or The polyamide of both sexes or the drying strengthening agent of the starch of cation, fluorescent whitening agent, filler, pigment, dyestuff, defoamer and paper maker Other additive known in industry.Body paper can be surface size.The sizing agent such as polyvinyl alcohol or oxygen that this is suitable for Change starch.Body paper can manufacture on fourdrinier machine or Yankee-paper machine (cylinder mould machine).The area of body paper Weight is 50 to 250g/m2, particularly 80 to 180g/m2.Body paper can be uncompacted or compacting (smoothing) state. The most particularly suitable is to have density 0.8 to 1.2g/cm3Body paper, particularly 0.90 to 1.1g/cm3.Broad-leaved can be used Wood bleached sulfate pulp (LBKP), needlebush bleached sulfate pulp (NBKP), leaf wood bleached sulfite pulp Or needlebush bleached sulfite pulp (NBSP) is as cellulose fibre (LBSP).The cellulose fiber of waste paper can also be used Dimension.Above-mentioned paper pulp fiber and other fiber, such as artificial resin fiber can also be used in mixed way.But it is preferably used 100% The cellulose fibre of leaf wood bleached sulfate pulp.It is 0.6-0.85mm without the average fiber length of the cellulose milled (Kajaani-measurement).In addition cellulose has a content of lignin less than 0.05 weight %, particularly 0.01 to 0.03 weight %, Above-mentioned percentage ratio is based on cellulose.
The carbonic acid that the nature of Kaolin, such as limestone, marble or dolomite exists can be added in body paper The mixture of calcium, the calcium carbonate of precipitation, calcium sulfate, barium sulfate, titanium dioxide, Talcum, Silicon stone, aluminium oxide and these materials is made For implant.Being particularly suitable to calcium carbonate, it has such particle size distribution, i.e. the granule of at least 60% is less than 2 μm And the granule of most 40% is less than 1 μm.Using calcite in the particularly design of the present invention, it has such granule chi Very little distribution, i.e. the granule of about 25% has and has the granule chi less than 2 μm less than the particle size of 1 μm and the granule of about 85% Very little.
In an embodiment of the present invention, the layer containing pigment is set between body paper and artificial resin.Pigment can be gold Belong to oxide, silicate, carbonate, sulfide or sulfate.Particularly suitable pigment such as Kaolin, Talcum, calcium carbonate and/ Or barium sulfate.Particularly preferably there is the pigment of such particle size distribution, i.e. the granules of pigments of at least 70% has little Particle size in 1 μm.The pigment with narrow particle size distribution accounts for ratio at least 5 weight % of all of pigment, particularly 10 to 90 weight %.Particularly preferred effect is reached when accounting for 30 to 80 weight % of whole pigment.There is narrow particle size distribution Pigment be construed as in the present invention, the particle size distribution of pigment is, the granules of pigments of at least 70 weight % has and is less than In the size of about 1 μm and these granules of pigments of 40 to 80 weight %, there is pigment and the tool of the particle size (diameter) of maximum The difference between the pigment of minimum particle size is had to be less than about 0.4 μm.Particularly advantageously, there is d50% value about 0.7 μm Calcium carbonate.
In the special embodiment of the present invention, adding pigment composition in the layer containing pigment, it is by above-mentioned carbonic acid Calcium and Kaolin are constituted.The ratio of calcium carbonate/kaolinic amount is preferably 30:70 to 70:30.Layer containing pigment bonds The ratio of the amount of agent/pigment is 0.1 to 2.5, preferably 0.2 to 1.5, particularly preferably 0.9 to 1.3.At the layer containing pigment In can apply all of can be dissolved in water and/or can in water scattered binding agent.Particularly suitable except latex glue Mixture also has starch such as the heat modification starch, particularly corn starch or hydroxypropyl starch of film forming.Can be by making Paper industry wired upper or layer that the coating of coated off-line equipment is containing pigment, the most so select the amount of pigment, i.e. be dried After coat weight be 0.1 to 30g/m2, particularly 1 to 20g/m2, or be 2 to 8g/m according to particularly preferred embodiment2。 In a preferred embodiment, the coating layer containing pigment during integrated glue laminated in the paper machine and mould.
The artificial tree lipid layer (front and back artificial tree lipid layer) arranged on the two sides of body paper preferably comprises thermoplasticity polymerization Thing.Particularly suitable polymer includes polyolefin, such as, Low Density Polyethylene (LDPE), high density polyethylene (HDPE) (HDPE), poly-third Alkene, 4-methyl-1-pentene and their mixture, and polyester, such as Merlon.Special embodiment in the present invention In, thermoplastic polymer is biodegradable polymer and/or polymer based on renewable raw materials, such as linear polyester, Thermoplastic modification starch or polylactic acid or the mixture of these polymer or the mixture with other polymer.
In another particularly advantageous design of the present invention, front and back artificial tree lipid layer contains at least 40 weights Amount %'s, the density of particularly 60 to 80 weight % is more than 0.95g/cm3HDPE,.Particularly preferred consist of: 65 weight % Density is more than 0.95g/cm3HDPE and the density of 35 weight % less than 0.935g/cm3LDPE.
Artificial tree lipid layer can contain the Chinese white of such as titanium dioxide, and other auxiliary material such as optical whitening Agent, dyestuff and dispersing aids.In particularly advantageous embodiment of the invention, add antistatic material to artificial tree lipid layer, special It it not the inorganic pigment of conduction.
The coated weight of artificial tree lipid layer is 5 to 50g/m2, particularly 5 to 30g/m2, preferably 10 to 20g/m2.Artificial tree Lipid layer can be extruded on body paper or the layer containing pigment with monolayer ground or multilamellar.Extruding coating is with less than 600m/min's Machine speed is carried out.
The surface texture (Topografie) of artificial tree lipid layer is moulded by the chill roll of application in extruding coating.Should Surface texture is described by roughness value.Make the chill roll for sculpting surface structure in a known way.For this to steel rider Surface by carrying out blasting treatment with sand, glass or other sand-blast material and and then carrying out chromium plating.The table of chill roll Face electrolytically can also be made in chromium pond.
Artificial tree lipid layer in embodiments of the invention is coated in the two sides of body paper symmetrically, say, that at body paper It is identical that the artificial tree lipid layer on two sides has same constituent therefore surface texture.According to the present invention, two sides artificial The surface of resin bed can have the roughness value Rz of 0.03 to 15 μm.
The purpose of a preferred embodiment of the present invention is for providing a kind of recording materials, and it has and smooth photographic silver halide The most smooth surface, the surface of photo, wherein the surface of artificial tree lipid layer at least has the thick of 0.03 to 1.8 μm in one side Rugosity value Rz.The purpose of another preferred embodiment of the present invention is for providing a kind of recording materials, and it has and coarse halogen Changing the most structured surface, surface of the photo of silver photograph, wherein the surface of artificial tree lipid layer at least has 9 to 15 μ in one side The roughness value Rz of m.
The purpose of another preferred embodiment of the present invention, for providing a kind of recording materials, can print in a face , the purpose of smooth recording materials be, artificial tree lipid layer (it has ink receptive layer and for printing) has relatively In the roughness that the artificial tree lipid layer at the back side is less.In this embodiment the roughness value Rz of one side for printing be 0.03 to 1.8 μm or 9 to 15 μm, rather than the roughness value Rz of one side printed is 12 to 16 μm.
According to the present invention, the one side being used for printing of the body paper of artificial resin coating is coated with ink receptive layer.At this In the special embodiment of the recording materials that two faces of invention can print, at two of the body paper of artificial resin coating Ink receptive layer it is coated with on face.
Ink receptive layer according to the present invention at least by be dissolved in water or can in water scattered binding agent, tiny Granular pigment and anti-static material composition.
Binding agent in ink receptive layer can be any common binding agent for paper coating, and shallow lake is preferably used Powder, polyvinyl alcohol, acrylate or acrylate and the copolymer of other monomers.Ethylene-acrylic acid copolymer is the most excellent The binding agent of choosing, particularly has the ethylene-acrylic acid copolymer of the melting range of 70 to 100 DEG C.
Pigment according to the fine particle shape in the ink receptive layer of the present invention is the inorganic pigment of fine particle shape, such as Silicon dioxide, aluminium oxide, hydrated alumina, aluminium silicate, calcium carbonate, zinc oxide, stannum oxide, stibium oxide, titanium dioxide, oxidation Indium or the mixed oxide of these oxides.In the especially preferred embodiments, the pigment of fine particle shape is zinc oxide, oxidation The mixed oxide of stannum, stibium oxide, titanium dioxide, Indium sesquioxide. or these oxides.The pigment of fine particle shape can be solely Or mixedly it is present in ink receptive layer.
The pigment of the fine particle shape in ink receptive layer preferably has less than the average particle size particle size of 1000nm, the most excellent Choosing is less than 200nm.Preferably pigment has 30m2/ g to 400m2BET surface in/g range.Pigment according to the present invention Can be obtained by flame method or the wet-chemical sedimentation method.
Can be the pigment of conducting polymer or conduction according to the anti-static material in the ink receptive layer of the present invention.Also The mixing material of anti-static material can be used.
Conducting polymer according to the present invention can be such, and electric charge therein transmits with the form of ion, the most poly- Styrene.Such polymer is preferably used, and electric charge therein transmits with the form of electronics or defect electron, such as polyphenyl Amine, polythiophene or other.Particularly preferred as electric conductive polymer be doped with polystyrene acid polyethylene (3,4- Ethene dioxythiophene) (PEDOT:PSS), it is possible to use CLEVIOSOr ORGACONTrade mark brand.According to the present invention's The polymer amount in ink receptive layer (weight based on dry layer) of conduction is 0.1 to 50 weight %, particularly 1.0 to 4.0 weight %.If one polymer being inserted ink receptive layer as anti-static material according to the present invention, then this polymer Can the most completely or partially substitute be dissolved in water or can in water scattered binding agent.
Conducting pigment according to the present invention can be made up of metal dust or carbon.Oxide is preferably used such as aoxidize Antimony, stannum oxide, Indium sesquioxide. or particularly preferably titanium dioxide or zinc oxide or the mixed oxidization of element antimony, indium, titanium, zinc or stannum Thing.Conducting pigment according to the present invention preferably has less than 1000nm, is particularly preferably less than the average grain chi of 200nm Very little.If a kind of conducting pigment is as anti-static material, then the while that this conducting pigment being in a preferred embodiment of the present invention Can be used as the pigment of the fine particle shape of ink receptive layer.
In another embodiment of the present invention, ink receptive layer additionally contains the surface work of anion or nonionic Property material, its amount is 0.01 to 4.0 weight %, particularly 0.05 to 2.5 weight %(weight based on dry layer).
Ink receptive layer is likely to assist material containing other, such as extinction material, dyestuff, cross-linking agent, lubricant, antiseized Even material and other additive.
Can by institute common in manufacturing at paper wired on or the coating of coated off-line equipment form ink receptive layer Coating, wherein so select the amount of coating, i.e. dried coated weight is the highest 3g/m2, particularly 0.1 to 2g/m2, or According to particularly preferred embodiment 0.3 to 0.7g/m2.Coating can be by painting universal, that be integrated in extruding coating equipment Cover applicator.For this particularly suitable be 3 roll coatings or cutting device.
In another embodiment of the present invention, another layer, such as protective layer can be coated with on ink receptive layer Or improve the layer of smoothness.The coating weight of this kind of layer is preferably smaller than 1g/m2
Detailed description of the invention
Following embodiment is further elucidated with the present invention.
Body paper A is made up of eucalyptus pulps.In order to mill, paper pulp is about the water slurry (viscous solution) of 5%, by essence Paper pulp is milled by refining machine with the cutting angle of 36 ° of SR.Average fiber length is 0.64nm.Cellulose fibre in diluent Concentration is 1 weight %, weight based on cellulose suspension.By additive (such as containing the starch of cation) with 0.4 weight % Amount insert in diluent, and the amount of neutral gum mixture alkyl ketene dimer (AKD) is 0.48 weight %, wet strength agent polyamine-poly- Amide-epichlorohydrin resin (Kymene) amount be 0.36 weight %, natural CaCO3Amount be 10 weight %.The number of each amount It is worth weight based on paper pulp.The diluent of pH value about 7.5 is guided to the filter screen of paper machine from head box, here by paper muscle Dehydration filter screen part in the paper machine forms the scraps of paper.In pressure portion, paper muscle is dehydrated further and reaches water content 60 weight Amount %, this percentage ratio weight based on paper muscle.In the drying nest of paper machine, the dryer roll by heating is done further Dry.The weight of the body paper generated is 160g/m2, humidity is about 7%.
By styrene-acrylate binders, starch and calcium carbonate and kaolinic pigment composition respectively with coating Amount 15g/m2It is coated in the two sides of body paper, is dried and then flattens by calender.The material so obtained is as following institute Body paper A.
Body paper B makes with eucalyptus pulps and by the method the same with body paper A equally.But additionally contain in pulp dispersant There is a certain amount of titanium dioxide, so that the body paper muscle made contains the TiO of 10 weight %2(based on dry weight).This body paper B Do not coat other coating, directly carry out ensuing extruding coating.
With the speed of about 250m/min in laminating machine, by polyethylene-titanium dioxide mixture (low-density of 20 weight % Polyethylene (LDPE, 0.923g/cm3), high density polyethylene (HDPE) (HDPE, the 0.964g/cm of 70 weight %3), the titanium dioxide of 10 weight % Titanium (Rutil)) with 20g/m2Coat weight be coated in the two sides of body paper A and B.So select chill roll, the both sides obtained Surface has the roughness of 0.9 μm, and this roughness is measured as Rz value according to DIN 4768.Obtained material is next Being labeled as A1 and B1, the two sides of the two is all the surface of high glossy.
With polyethylene-titanium dioxide mixture, body paper A and B is carried out extruding coating in the same way, the most so select Select chill roll, obtained by be later used to print the surface in face there is roughness Rz of 11.2 μm.For being not used in the one of printing Face so selects chill roll, and roughness Rz making this face is 14.1 μm.Next obtained material is labeled as A2 and B2, the two Be the surface of coarse structure for the face printed.
There are two surfaces of resin-coated body paper A1 and B1 and have the table for printing of resin-coated paper A2 and B2 Face, after radiating with corona discharge, carries out coating and is dried smearing material.The coated weight smearing material so selects, and it is done Coated weight after dry is 0.5g/m2.The constituent smearing material is as described below.
Coating material a(compares)
By the wetting agent SURFYNOL of 0.1g440(comes from Air Products, Holland) and the water of 72g be mixed into The polymer content of 27.9g is the ethylene-acrylic acid ester dispersion MICHEM PRIME of 35.7 weight %4990 R.E.(come from Michelman company, Belgium) in.
The coating material b(present invention)
The ethylene-acrylic acid ester dispersion MICHEM PRIME of 22.4gThe fine particle shape of 4990 R.E. Yu 9.8g Conducting pigment (is mixed with the stannum oxide FS-10D of antimony, solids content 20.5%, manufacturer ISK ISHIHARA SANGYO KAISHA Ltd., Japan) and the wetting agent SURFYNOL of 0.1gThe water mixing of 440 and 67.7g.
The coating material c(present invention)
27g water is made 3.0g conducting pigment (be mixed with the titanium-stannum oxide FT-2000 of antimony, solids content 20.5%, Manufacturer ISK ISHIHARA SANGYO KAISHA Ltd., Japan) dispersion, and by rotor-stator blender (ULTRA-TURRAXCome from company IKA, Germany) process, until the average particle size particle size of pigment is 180nm. The ethylene-acrylic acid ester dispersion MICHEM PRIME of 22.4g4990 R.E. and above-mentioned dispersion, the wetting agent of 0.1g SURFYNOLThe water mixing of 440 and 47.5g.
Coating material d(compares)
Polyvinyl alcohol (the Mowiol of 2g40-88, comes from Kuraray Specialties GmbH Europe, Germany) The AEROXIDE that solids content is 30 weight % with 60gThe dispersion of ALU C (manufacturer Evonik Degussa AG, Germany) Body, the wetting agent SURFYNOL of 0.1gThe water mixing of 440 and 37.9g.
The coating material e(present invention)
The ethylene-acrylic acid ester dispersion MICHEM PRIME of 16.3gThe solids content of 4990 R.E. with 29.0g is The AEROSIL of 20 weight %300 (manufacturer Evonik Degussa AG, Germany), the polystyrolsulfon acid dispersion of 3g (VERSATL 130, manufacturer Akzo Nobel Surface Chemistry AB, Sweden, polymer content 30 Weight %), the wetting agent SURFYNOL of 0.1gThe water mixing of 440 and 51.6g.
The coating material f(present invention)
The ethylene-acrylic acid ester dispersion MICHEM PRIME of 13.3gThe solids content of 4990R.E. Yu 29.0g is 20 The AEROSIL of weight %300 (manufacturer Evonik Degussa AG, Germany), the PEDOT:PSS dispersion of 38.5g (CLEVIOSP, manufacturer H.C.Strack CLEVIOS GmbH, Germany, polymer content 1.3 weight %), the moistening of 0.1g Agent SURFYNOL440,5g diethylene glycol, 2g acrylic copolymer GLASCOLThe water mixing of LE 520 and 12.1g.
Recording materials obtained above are tested as follows.
Sheet resistance
Measuring with the comb electrode according to DIN53483, result is expressed as log(Ohm/cm).
Viscous glutinous test: at 23 DEG C and 50%RF(relative humidity) under conditions of the carrier material of two EIN-A4-sizes is put Together, 10kg-weight is then loaded.Manually two pieces of paper separately and are assessed its viscous stickiness/stickup property after 65 hours.
+: without viscous glutinous,
Zero: slight viscous glutinous,
-: strong viscous glutinous
Ink adhesion situation: use electrophotographic printer 6000 pairs of recording materials print and 23 DEG C/50%RF(relative humidity) under conditions of by adhesive tape TESA 4104 is stained with and takes off assessment ink adhesion situation.
+: layer of ink keeps complete,
Zero: layer of ink partial exfoliation,
-: layer of ink completely falls off.
Print the visual evaluator of bright spot: use electrophotographic printer 6000 pairs of recording materials print And with naked eyes, printed drawings sheet is estimated.
+: without bright spot,
-: it can be seen that bright spot.
Experimental result shown in following table one.
Recording materials Sheet resistance Viscous glutinous test Ink is adhered Bright spot
A1a Comparison > 14.9 -
A1b The present invention 12.1 + + +
A1c The present invention 7.6 + + +
A1d Comparison > 14.9 + - +
A1e The present invention 12.6 + + +
A1f The present invention 8.6 + + +
B1a Comparison > 14.9 -
B1b The present invention 12.0 + + +
B1c The present invention 7.6 + + +
B1d Comparison > 14.9 + - +
B1e The present invention 12.5 + + +
B1f The present invention 8.5 + + +
A2a* Comparison > 14.9 -
A2b* The present invention 12.1 + + +
A2c* The present invention 7.5 + + +
A2d* Comparison > 14.9 + - +
A2e* The present invention 12.5 + + +
A2f* The present invention 8.6 + + +
B2a* Comparison > 14.9 -
B2b* The present invention 12.0 + + +
B2c* The present invention 7.7 + + +
B2d* Comparison > 14.9 + - +
B2e* The present invention 12.3 + + +
B2f* The present invention 8.4 + + +
Form one
* two sides being all designed for the recording materials printed, the experimental result on two sides is basically identical, and given is two The meansigma methods in face.
The extra printer XEROX with dry ink print cartridgeThe Gen of I3 and KodakNeXpressPrinted Experiment.
Experimental result (meansigma methodss of three printers) is shown in below table two.Ink is delivered to recording materials Result be the visualized evaluation carried out based on the homogeneous printing to color lump, wherein "+" represent and print the good homogeneous of picture Property, "○" represents that slight density fluctuation and "-" represent obvious density fluctuation.
Recording materials Ink transmits Ink is adhered Bright spot
A1a Comparison - -
A1b The present invention + +
A1c The present invention + + +
A1d Comparison - - +
A1e The present invention + +
A1f The present invention + + +
B1a Comparison - -
B1b The present invention + + +
B1c The present invention + + +
B1d Comparison - - +
B1e The present invention + +
B1f The present invention + + +
A2a* Comparison - -
A2b* The present invention + +
A2c* The present invention + + +
A2d* Comparison - - +
A2e* The present invention + +
A2f* The present invention + + +
B2a* Comparison - -
B2b* The present invention + + +
B2c* The present invention + + +
B2d* Comparison - - +
B2e* The present invention + +
B2f* The present invention + + +
* two sides being all designed for the recording materials printed, the experimental result on two sides is basically identical, and given is two The meansigma methods in face.
The assessment of result of the test
Result shows, employing the recording materials obtained according to the smearing material of the present invention can be at electrophotographic printer During use ink and powdered ink.Obtained picture has the perception and sense of touch being equal to silver halide picture.Ink is on surface Adhere to according to the recording materials of the present invention being good, will not glue glutinous between paper, will not produce electrostatic and should Same ink transmission effect is obtained during with powdered ink print cartridge.Reliably avoid by print cartridge as auxiliary materials application oil Drip produced bright spot.

Claims (6)

1., for recording materials for electrophotographic printer method, described recording materials are included in two sides to be carried out with artificial resin The body paper of coating is arranged on the ink receptive layer in artificial resin coating with at least one, it is characterised in that described ink absorption Layer containing can be dissolved in water or can in water scattered binding agent, the inorganic pigment of fine particle shape and have antistatic make Component, the inorganic pigment of described fine particle shape is selected from antimony, indium, titanium, zinc or the oxide of stannum or two kinds or two kinds The mixed oxide of above above-mentioned element and there is average particle size particle size and the 10m of 10nm to 200nm2/ g to 400m2/g BET-surface, described in there is the polymer that the component of antistatic property is conduction, described artificial tree lipid layer contains polyolefin.
Recording materials the most according to claim 1, it is characterised in that described artificial tree lipid layer contains density more than 0.95g/ cm3Polyethylene and density less than 0.95g/cm3The mixture of polyethylene.
Recording materials the most according to claim 2, it is characterised in that the density contained in described artificial tree lipid layer is more than 0.95g/m3Polyethylene to account for the share of polyolefinic gross weight be that 60 weight % are to 80 weight %.
Recording materials the most according to claim 1, it is characterised in that described ink receptive layer contains ethylene-acrylate altogether Polymers as can in water scattered binding agent.
Recording materials the most according to claim 1, it is characterised in that the polymer of described conduction is polystyrolsulfon acid.
Recording materials the most according to claim 1, it is characterised in that the polymer of described conduction is polyaniline or poly-thiophene Fen.
CN201180045143.9A 2010-09-20 2011-09-15 Recording materials for electrophotographic printer method Active CN103154822B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20100177636 EP2431809B1 (en) 2010-09-20 2010-09-20 Recording material for electrophotographic printing
EP10177636.7 2010-09-20
PCT/EP2011/066025 WO2012038322A1 (en) 2010-09-20 2011-09-15 Recording material for electrophotographic printing processes

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Publication Number Publication Date
CN103154822A CN103154822A (en) 2013-06-12
CN103154822B true CN103154822B (en) 2016-12-14

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CN1814913A (en) * 2006-03-08 2006-08-09 汕头市新协包装材料厂 Picture-grade high-light water-proof colour ink-jet printing paper

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CN1650236A (en) * 2002-04-30 2005-08-03 3M创新有限公司 Resistivity-controlled image recording sheet
CN1544252A (en) * 2003-11-19 2004-11-10 中国乐凯胶片集团公司 Waterproof high light ink jet printing medium
CN1814913A (en) * 2006-03-08 2006-08-09 汕头市新协包装材料厂 Picture-grade high-light water-proof colour ink-jet printing paper

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