WO2018110656A1 - Dispositif de production de support d'enregistrement - Google Patents

Dispositif de production de support d'enregistrement Download PDF

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Publication number
WO2018110656A1
WO2018110656A1 PCT/JP2017/044945 JP2017044945W WO2018110656A1 WO 2018110656 A1 WO2018110656 A1 WO 2018110656A1 JP 2017044945 W JP2017044945 W JP 2017044945W WO 2018110656 A1 WO2018110656 A1 WO 2018110656A1
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WO
WIPO (PCT)
Prior art keywords
recording medium
fiber
receiving layer
ink receiving
containing material
Prior art date
Application number
PCT/JP2017/044945
Other languages
English (en)
Japanese (ja)
Inventor
依田　兼雄
中島　靖雅
谷口　誠一
関　俊一
新井　聖
市川　和弘
田中　博
紘樹 倉田
Original Assignee
セイコーエプソン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2016243024A external-priority patent/JP6844239B2/ja
Priority claimed from JP2017226532A external-priority patent/JP2018096022A/ja
Application filed by セイコーエプソン株式会社 filed Critical セイコーエプソン株式会社
Priority to US16/469,208 priority Critical patent/US20200102703A1/en
Publication of WO2018110656A1 publication Critical patent/WO2018110656A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/02—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose in the form of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/60—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in dry state, e.g. thermo-activatable agents in solid or molten state, and heat being applied subsequently
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/507—Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/18—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00 of old paper as in books, documents, e.g. restoring

Definitions

  • the present invention relates to a recording medium manufacturing apparatus.
  • Patent Document 1 discloses a method for producing paper by forming a layer of fibers on the surface of a peeling substrate to which an aqueous liquid is adhered, and then peeling the layered fibers from the peeling substrate.
  • An executable device is disclosed. This apparatus is configured such that the fibers once risend from the fiber supply apparatus adhere to the peeling substrate by electrostatic force.
  • One of the objects according to some aspects of the present invention is to provide a recording medium manufacturing apparatus capable of stably manufacturing a recording medium having a uniform thickness with, for example, the simplest possible configuration. .
  • the present invention has been made to solve at least a part of the problems described above, and can be realized as the following.
  • the recording medium manufacturing apparatus of the present invention includes a material supply unit including a storage unit that stores a fiber-containing material including cellulose fibers and a resin, A carrier for carrying the fiber-containing material supplied from the material supply unit; A transfer object to which the fiber-containing material supported on the support is electrostatically transferred; and A post-processing unit that performs post-processing on the fiber-containing material electrostatically transferred to the transfer target; It is characterized by having.
  • the transfer object is a belt that conveys the fiber-containing material.
  • a post-processing section that performs post-processing on the fiber-containing material on the belt can be arranged along the conveyance direction of the fiber-containing material, and thus the recording medium can be manufactured quickly.
  • the belt is preferably made of a resin having a volume resistivity of 10 7 to 10 11 ⁇ ⁇ cm.
  • the electrostatically transferred fiber-containing material can be electrostatically held on the belt.
  • the carrier and the transfer target pressurize the fiber-containing material between the support and the transfer target.
  • the fiber-containing material transferred to the transferred portion is formed as a layer having a uniform thickness.
  • the recording medium obtained from this layer is also manufactured with a uniform thickness.
  • the carrier carries the fiber-containing material carried by the carrier at a first speed V1
  • the transferred body conveys the fiber-containing material electrostatically transferred to the transferred body at a second speed V2
  • the transport direction of the fiber-containing material by the support is the same as the transport direction of the fiber-containing material by the transfer target. It is preferable to satisfy the relationship of V1> V2.
  • the fiber-containing material when the fiber-containing material is transferred from the carrier to the transfer target, the fiber-containing material is temporarily gathered and collected at the transfer nip between the support and the transfer target.
  • the accumulation of the fiber-containing material at the transfer nip reaches the limit, the fiber-containing material is transported by the transfer target and becomes layered.
  • the carrier carries the fiber-containing material carried by the carrier at a first speed V1
  • the transferred body conveys the fiber-containing material electrostatically transferred to the transferred body at a second speed V2
  • the transport direction of the fiber-containing material by the support is opposite to the transport direction of the fiber-containing material by the transfer target. The direction is preferred.
  • the weight per unit area of the fiber-containing material carried on the carrier is W1
  • the weight per unit area of the fiber-containing material electrostatically transferred to the transfer body is W2
  • W2 it is preferable to satisfy the relationship of W2 / W1> 1.0.
  • the material supply unit can take a first position where the fiber-containing material can be supplied to the carrier and a second position retracted from the first position. preferable.
  • the material supply unit is in a loaded state loaded in the recording medium manufacturing apparatus at the first position, In the second position, it is preferable that the detachable state is detachable from the recording medium manufacturing apparatus.
  • the material supply unit is in a detachable state, for example, various maintenance can be easily performed as compared with a state where the material supply unit remains in the second position.
  • the material supply unit is replaceable in the removable state.
  • the recording medium manufacturing apparatus of the present invention it is preferable that a plurality of the material supply unit and the carrier are respectively arranged. Thereby, the recording medium comprised by the laminated body can be manufactured.
  • the post-processing section performs a surface texture treatment for adjusting the surface texture of the fiber-containing material as the post-treatment.
  • the manufactured recording medium can stably accept ink.
  • the surface texture treatment includes a treatment for flattening the surface of the fiber-containing material.
  • the surface of a fiber containing material can be made into a smooth state.
  • the surface property treatment includes a treatment for semi-solidifying the surface of the fiber-containing material.
  • the surface texture treatment includes a treatment of pressing the fiber-containing material.
  • fiber containing materials will couple
  • the post-processing unit performs a solidifying process for solidifying the fiber-containing material as the post-processing.
  • the recording medium composed of the fiber-containing material is solidified without excess or deficiency, and thus has a strength enough to withstand printing when used in, for example, an ink jet printer.
  • the recording medium manufacturing apparatus includes a peeling promoting portion that promotes peeling of the fiber-containing material from the transfer target.
  • the fiber-containing material when the fiber-containing material has a belt-like shape on the transferred body, the fiber-containing material can be easily peeled off from the transferred body, and can be wound up after peeling.
  • the present invention can also be realized as the following.
  • the recording medium manufacturing apparatus of the present invention includes at least one material supply unit including a storage unit that stores a fiber-containing material containing cellulose fibers and a resin, and a carrier that supports the fiber-containing material, and the carrier.
  • a transfer unit that electrostatically transfers the fiber-containing material carried on the transfer body to a transfer target, and a post-processing unit that performs post-processing on the fiber-containing material electrostatically transferred to the transfer target. It is characterized by.
  • the photosensitive member can be omitted, and therefore the recording medium manufacturing apparatus can be configured as simple as possible.
  • the fiber-containing material can be attached to the transfer body without excess or deficiency.
  • the layer composed of the fiber-containing material can be stably formed with a uniform thickness.
  • the recording medium to be manufactured can also be stably manufactured with a uniform thickness.
  • the material supply unit takes a first position where electrostatic transfer of the fiber-containing material to the transfer target is possible and a second position retracted from the first position. It is preferable to obtain.
  • the recording medium manufacturing apparatus is loaded in the first position, and the recording medium manufacturing apparatus is separated from the recording medium manufacturing apparatus in the second position.
  • the material supply unit is replaceable in the detached state.
  • the carrier is configured by a roller, and a plurality of types of the material supply unit having different widths of the roller are prepared, and the plurality of the material supply units are in the detached state. It is preferred that the species can be selected and exchanged.
  • the recording medium manufacturing apparatus includes a transport unit that transports the fiber-containing material electrostatically transferred to the transfer target, and the material supply unit is displaced between the first position and the second position. It is preferable that the direction to do is the direction which cross
  • the displacement direction in which the material supply unit is displaced becomes a direction intersecting with the conveyance direction of the fiber-containing material. This is preferable because it may be suitable for the direction in which the material supply unit is displaced during maintenance, for example, while preventing interference with the periphery of the supply unit.
  • the fiber-containing material electrostatically transferred to the transfer target has a layered shape
  • the post-processing section forms the layered fiber-containing material as the post-processing. It is preferable to perform a surface texture treatment for adjusting the surface texture.
  • the manufactured recording medium can stably accept ink.
  • the surface texture treatment includes a treatment for flattening a surface of the fiber-containing material that forms the layer.
  • the surface of the fiber-containing material which makes layered can be made into a smooth state.
  • the surface texture treatment includes a treatment for semi-solidifying the surface of the fiber-containing material that forms the layer.
  • a thin film is formed on the surface of the layered fiber-containing material, which contributes to maintaining the shape of the layer.
  • the surface texture treatment includes a treatment of pressurizing the fiber-containing material that forms the layer. Thereby, fiber containing materials will couple
  • the fiber-containing material electrostatically transferred to the transfer target has a layered shape
  • the post-processing section forms the layered fiber-containing material as the post-processing. It is preferable to carry out a solidification treatment for solidifying.
  • the layered fiber-containing material is solidified without excess or deficiency, and thus has a strength sufficient to withstand printing when used in, for example, an ink jet printer.
  • the recording medium manufacturing apparatus includes a peeling promoting portion that promotes peeling of the fiber-containing material from the transfer target. Thereby, peeling to a to-be-transferred body and a fiber containing material becomes easy.
  • the transfer object is a base material that constitutes a recording medium together with the fiber-containing material.
  • the transfer target is a belt that conveys the fiber-containing material, and the recording medium manufacturing apparatus includes the belt.
  • the fiber-containing material is formed in a layer form, and if the layered material is peeled off from the belt, a recording medium can be obtained. Then, the obtained recording medium is one in which, for example, the base material supporting the layered material is omitted.
  • the material supply units are arranged.
  • FIG. 1 is a block diagram showing a main part of a recording medium manufacturing apparatus (first embodiment) according to the present invention.
  • FIG. 2 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus (first embodiment) of the present invention.
  • FIG. 3 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus (first embodiment) of the present invention.
  • FIG. 4 is a vertical cross-sectional side view sequentially illustrating the process of displacing the material supply unit with respect to the recording medium manufacturing apparatus (second embodiment) of the present invention.
  • FIG. 1 is a block diagram showing a main part of a recording medium manufacturing apparatus (first embodiment) according to the present invention.
  • FIG. 2 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus (first embodiment) of the present invention.
  • FIG. 3 is a vertical cross-sectional side view sequentially illustrating the process of
  • FIG. 5 is a vertical cross-sectional side view sequentially illustrating the process of displacing the material supply unit with respect to the recording medium manufacturing apparatus (second embodiment) of the present invention.
  • FIG. 6 is a vertical cross-sectional side view sequentially illustrating the process of displacing the material supply unit with respect to the recording medium manufacturing apparatus (second embodiment) of the present invention.
  • FIG. 7 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing a recording medium by the recording medium manufacturing apparatus (third embodiment) of the present invention.
  • FIG. 8 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing a recording medium by the recording medium manufacturing apparatus (fourth embodiment) of the present invention.
  • FIG. 9 is a vertical cross-sectional side view sequentially illustrating a process of manufacturing a recording medium by the recording medium manufacturing apparatus (fifth embodiment) of the present invention.
  • FIG. 10 is a vertical cross-sectional side view sequentially illustrating a process of manufacturing a recording medium by the recording medium manufacturing apparatus (fifth embodiment) of the present invention.
  • FIG. 11 is a vertical sectional view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus (fifth embodiment) of the present invention.
  • FIG. 12 is a vertical sectional view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus (fifth embodiment) of the present invention.
  • FIG. 13 is a vertical sectional view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus (fifth embodiment) of the present invention.
  • FIG. 14 is a vertical sectional side view showing a material supply unit included in the recording medium manufacturing apparatus (sixth embodiment) of the present invention.
  • FIG. 15 is a block diagram showing the main part of the recording medium manufacturing apparatus (seventh embodiment) of the present invention.
  • FIG. 16 is a plan view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus shown in FIG. 17 is a cross-sectional view taken along line AA in FIG. 18 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus shown in FIG.
  • FIG. 19 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus shown in FIG.
  • FIG. 19 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus shown in FIG. FIG.
  • FIG. 20 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus (eighth embodiment) of the present invention.
  • FIG. 21 is a vertical cross-sectional side view sequentially illustrating a process of manufacturing a recording medium by the recording medium manufacturing apparatus (eighth embodiment) of the present invention.
  • FIG. 22 is a vertical cross-sectional side view sequentially illustrating the process of displacing the material supply unit with respect to the recording medium manufacturing apparatus (9th embodiment) of the present invention.
  • FIG. 23 is a vertical cross-sectional side view sequentially illustrating the process of displacing the material supply unit with respect to the recording medium manufacturing apparatus (9th embodiment) of the present invention.
  • FIG. 21 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing the recording medium by the recording medium manufacturing apparatus (eighth embodiment) of the present invention.
  • FIG. 22 is a vertical cross-sectional side view sequentially illustrating the process of displacing the material supply unit with
  • FIG. 24 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing a recording medium by the recording medium manufacturing apparatus (tenth embodiment) of the present invention.
  • FIG. 25 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing a recording medium by the recording medium manufacturing apparatus (tenth embodiment) of the present invention.
  • FIG. 26 is a vertical sectional view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus (tenth embodiment) of the present invention.
  • FIG. 27 is a vertical sectional view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus (10th embodiment) of the present invention.
  • FIG. 28 is a vertical sectional view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus (tenth embodiment) of the present invention.
  • z-axis direction third direction
  • the direction in which the arrow in each direction is directed is called “positive”, and the opposite direction is called “negative”.
  • the upper side may be referred to as “upper” or “upper”, and the lower side may be referred to as “lower” or “lower”.
  • the left side may be referred to as “upstream side” and the right side may be referred to as “downstream side”.
  • FIG. 1 is a block diagram showing a main part of a recording medium manufacturing apparatus (first embodiment) according to the present invention.
  • 2 and 3 are vertical cross-sectional side views sequentially showing a process of manufacturing a recording medium by the recording medium manufacturing apparatus (first embodiment) of the present invention.
  • the ink receiving layer 902 is displayed as one ink receiving layer 902 regardless of whether it is a single layer or a multilayered structure.
  • the recording medium manufacturing apparatus 1 of the present invention carries at least one material supply unit 2 including a storage unit 21 that stores a fiber-containing material containing cellulose fibers and a resin, and a fiber-containing material supplied from the material supply unit 2 At least one carrier (second carrier 131), a transfer body (conveying belt 161) to which a fiber-containing material carried on the carrier (second carrier 131) is electrostatically transferred, and a transfer body And a post-processing unit 20 that performs post-processing on the fiber-containing material electrostatically transferred to the (conveying belt 161).
  • the fiber-containing material can be electrostatically transferred from the carrier (second carrier 131) to the transfer target (conveyor belt 161).
  • the transfer target (conveyor belt 161)
  • the transfer target ( The fiber-containing material can be adhered to the conveyor belt 161) without excess or deficiency.
  • the recording medium 90 obtained from the fiber-containing material can be stably manufactured with a uniform thickness.
  • the recording medium 90 manufactured by the recording medium manufacturing apparatus 1 may be a single layer or a stack of a plurality of layers.
  • the recording medium 90 is configured by one ink receiving layer 902 as an example. A case of a single layer will be described.
  • the unused recording medium 90 composed of the ink receiving layer 902 can be used after printing. By this printing, various information is recorded on the recording medium 90.
  • the ink receiving layer 902 can also be referred to as a “recording layer” on which various types of information are recorded.
  • the various information includes, for example, characters, symbols, figures, patterns, colors, or combinations thereof.
  • the recording medium 90 can also record a marking portion including information regarding the ink receiving layer 902.
  • the marking portion may be a barcode (one-dimensional code), but is more preferably a QR code (registered trademark) (two-dimensional code).
  • the recording medium 90 is manufactured by the recording medium manufacturing apparatus 1, the recording medium 90 is once wound into a roll (see FIG. 3).
  • the recording medium 90 is used, the roll state is developed, and the recording medium 90 is appropriately cut and used.
  • the ink receiving layer 902 (recording medium 90) is composed of a composite (fiber-containing material) containing cellulose fibers and a hydrophobic material covering at least a part of the cellulose fibers.
  • the ink receiving layer 902 attaches the composite to the transport belt 161 of the transport unit 16 by electrostatic coating (electrostatic transfer) using a method similar to the electrophotographic method, that is, coating using electrostatic force. And formed by being heated under pressure.
  • Cellulose fibers are fibers composed of cellulose.
  • the cellulose fiber may be a natural fiber, a regenerated fiber, or a semi-synthetic fiber.
  • the cellulose fiber may be derived from virgin pulp, may be derived from a cellulose product such as paper (including waste paper, recycled paper, etc.), or cellulose as described above.
  • Semi-synthetic fibers obtained by subjecting a material containing to chemical treatment may also be used.
  • the cellulose fibers may be powder fibers.
  • the cellulose fiber is not particularly limited as long as it is mainly composed of cellulose (narrowly defined cellulose) as a compound and has a fibrous form, and includes hemicellulose and lignin in addition to cellulose (narrowly defined cellulose). It may be.
  • the size of the cellulose fibers contained in the ink receiving layer 902 is preferably, for example, an average (number average) length (major axis) of 1 ⁇ m to 100 ⁇ m and a width (minor axis) of 1 ⁇ m to 30 ⁇ m. More preferably, the thickness is 5 ⁇ m or more and 30 ⁇ m or less, and the width is 5 ⁇ m or more and 20 ⁇ m or less.
  • the length of the cellulose fiber is made smaller than the lower limit value, the production cost of the cellulose fiber becomes high. However, the production cost can be suppressed within the above range. Furthermore, if the magnitude
  • the length of a cellulose fiber is below the said upper limit, it can suppress that a cellulose fiber entangles. Thereby, the uniformity of the charge amount distribution can be improved in the powder composed of the composite forming the ink receiving layer 902, and thus the composite can be uniformly electrostatically applied to the transport belt 161.
  • size (length, width) of a cellulose fiber is measured using the particle
  • This apparatus is an apparatus for measuring particle size and particle shape by uniformly dispersing a sample by an automatic dry dispersion unit and analyzing a still image of the sample.
  • the fiber-containing material constituting the ink receiving layer 902 includes a hydrophobic material, and the hydrophobic material covers at least a part of the cellulose fiber.
  • the average aspect ratio of the cellulose fibers contained in the ink receiving layer 902 is preferably less than 3, and more preferably 2 or less. If the average aspect-ratio of a cellulose fiber is less than 3, it can suppress that a cellulose fiber entangles. As a result, the uniformity of the charge amount distribution can be improved in the powder composed of the composite forming the ink receiving layer 902, and thus the composite can be uniformly electrostatically coated on the transport belt 161. .
  • the ink receiving layer 902 can be made more suitable for the ink to permeate during printing. In this way, in particular, the ink absorbability of the ink receiving layer 902 can be increased.
  • the average aspect ratio of the cellulose fiber is, for example, a value obtained by dividing the average length of the cellulose fiber measured by the particle image analyzer Morphogi G3 by the average width.
  • the average length of a cellulose fiber is 1 micrometer or more and 100 micrometers or less.
  • the length of a cellulose fiber can be made small by a dry system, and it can suppress that a cellulose fiber entangles.
  • the uniformity of the charge amount distribution can be improved in the powder composed of the composite forming the ink receiving layer 902, and thus the composite can be uniformly electrostatically coated on the transport belt 161. .
  • the hydrophobic material is fused to cellulose fibers by heat treatment, for example, to form a composite.
  • the hydrophobic material may cover a part of the surface of the cellulose fiber or may cover the entire surface of the cellulose fiber.
  • the hydrophobic material should just be a thing with hydrophobicity higher than a cellulose as a whole, for example, may contain the component (hydrophilic component with a low hydrophobicity) rather than a cellulose.
  • the hydrophobic material binds cellulose fibers together to form a porous ink receiving layer 902. Also, by having hydrophobicity, the balance between hydrophobicity and hydrophilicity of the ink receiving layer 902 can be adjusted, and excessive wetting and spreading of the ink when ink is applied to the ink receiving layer 902 is suppressed. In addition, the ink absorbability in the ink receiving layer 902 can be made excellent. Furthermore, the hydrophobic material can make the charging property of the composite excellent in stability by coating the cellulose fiber. By such electrostatic coating, the ink receiving layer 902 can be suitably formed.
  • cellulose fibers that are not coated with a hydrophobic material have high affinity with ink, and the ink may ooze.
  • the chargeability of the cellulose fiber can be stabilized, and ink bleeding can be suppressed.
  • the hydrophobic material contains at least a resin.
  • the resin binds cellulose fibers together to form a porous ink receiving layer 902.
  • the resin may be in powder form.
  • the content of the resin in the ink receiving layer 902 is preferably 10% by mass or more and less than 40% by mass, and more preferably 15% by mass or more and 30% by mass or less.
  • the hydrophobic material has a function of binding cellulose fibers together, and also has a function of stabilizing the charging characteristics of the composite by covering the cellulose fibers.
  • the hydrophobic material is generally composed of a resin as described later. This resin may be positively charged or negatively charged, but is preferably negatively charged. In general, negatively chargeable resins are particularly excellent in stability of charging characteristics. In addition, negatively chargeable resins are more abundant than positively chargeable resins, and resin properties (for example, melting point, glass transition temperature, bonding strength with cellulose fibers, charge amount, degree of hydrophobicity, etc.) ) Can be easily adjusted, and is advantageous from the viewpoint of reducing the manufacturing cost of the recording medium 90.
  • the resin constituting the hydrophobic material for example, a thermoplastic resin, a curable resin, or the like can be used, but it is preferable to use a thermoplastic resin.
  • a thermoplastic resin generally more stable charging characteristics (particularly negative chargeability) can be obtained.
  • the hydrophobic material contains a curable resin, the heat resistance, durability, and the like of the ink receiving layer 902 (recording medium 90) can be made particularly excellent.
  • the hydrophobic material may include a thermoplastic resin and a curable resin in addition to the thermoplastic resin alone.
  • thermoplastic resin examples include AS resin, ABS resin, polyethylene, polypropylene, polyolefin such as ethylene-vinyl acetate copolymer (EVA), modified polyolefin, acrylic resin such as polymethyl methacrylate, polyvinyl chloride, polystyrene, and polyethylene.
  • EVA ethylene-vinyl acetate copolymer
  • acrylic resin such as polymethyl methacrylate, polyvinyl chloride, polystyrene, and polyethylene.
  • Polyester such as terephthalate, polybutylene terephthalate, nylon 6, nylon 46, nylon 66, nylon 610, nylon 612, nylon 11, nylon 12, nylon 6-12, nylon 6-66, polyamide (nylon), polyphenylene ether, polyacetal , Polyether, polyphenylene oxide, polyether ether ketone, polycarbonate, polyphenylene sulfide, thermoplastic polyimide, polyetherimide, aromatic Liquid crystal polymers such as reesters, various thermoplastic elastomers such as styrene, polyolefin, polyvinyl chloride, polyurethane, polyester, polyamide, polybutadiene, trans polyisoprene, fluororubber, chlorinated polyethylene, etc. 1 type or 2 types or more selected from these can be used.
  • the thermoplastic resin polyester or one containing the same is used as the thermoplastic resin.
  • the glass transition temperature (Tg) of the thermoplastic resin is preferably, for example, 50 ° C. or higher and 200 ° C. or lower, and more preferably 55 ° C. or higher and 160 ° C. or lower.
  • the glass transition temperature of the thermoplastic resin is equal to or higher than the lower limit (50 ° C.)
  • the ink receiving layer 902 can be prevented from being damaged by heating to the extent of friction, and the strength of the ink receiving layer 902 is reduced. This can be suppressed.
  • the glass transition temperature of the thermoplastic resin is equal to or lower than the upper limit (200 ° C.), for example, the temperature of the recording medium 90 is higher than the upper limit when the composite that becomes the ink receiving layer 902 is fixed by heating and pressing. It is not necessary to heat until the cellulose fiber is damaged by heat.
  • the curable resin examples include a thermosetting resin, a photocurable resin, and the like. More specifically, a phenol resin, an epoxy resin, a melamine resin, a urea resin, an unsaturated polyester resin, an alkyd resin, and a urethane resin. (Polyurethane), an acrylic resin, etc. are mentioned, It can use combining 1 type, or 2 or more types selected from these.
  • Wa is preferably 10% by mass or more and less than 40% by mass, and 15% by mass or more and 30% by mass. The following is more preferable. If content Wa is more than the said lower limit (10 mass%), the binding force of a cellulose fiber can be ensured and it can suppress that a cellulose fiber falls off from the ink receiving layer 902. If the content Wa is less than the upper limit (40% by mass), it is possible to suppress the ink receiving layer 902 from becoming too hydrophobic and to repel ink, and to improve the printing quality. . Whether the composite is in a state before being deposited on the transport belt 161 or in a state in which the composite is deposited on the transport belt 161 to form the ink receiving layer 902, the content Wa is It is preferable to be within the numerical range.
  • the hydrophobic material may contain a charge control agent (charge control agent).
  • charge control agent charge control agent
  • the composite used as the ink receiving layer 902 can have stable chargeability and greater chargeability. Whether or not the composite contains a charge control agent can be confirmed not only by a change in the charge amount of the composite but also by a decrease in the angle of repose of the composite.
  • the charge control agent may have a function as an aggregation inhibitor that suppresses aggregation of the complex.
  • at least a part of the charge control agent is usually exposed on the surface of the resin. Thereby, the effect by including a charge control agent is exhibited more effectively.
  • Examples of the charge control agent include silica (silicon dioxide), titanium oxide, aluminum oxide, zinc oxide, cerium oxide, magnesium oxide, zirconium oxide, strontium titanate, barium titanate, calcium carbonate, metal salt of benzoic acid, and salicylic acid.
  • One or two or more selected from can be used in combination.
  • the charge control agent may be subjected to surface treatment for the purpose of adjusting charging characteristics, adjusting hydrophobicity, and the like.
  • a silane compound can be used for the surface treatment of the charge control agent.
  • a hydrophobic treatment can be suitably performed on the charge control agent.
  • the silane compound used for the hydrophobic treatment of the charge control agent include alkylsilanes such as trimethylsilane, dimethylsilane, triethylsilane, triisopropylsilane, and triisobutylsilane, and silanes such as vinyltrimethoxysilane and vinyltriethoxysilane.
  • a coupling agent etc. are mentioned.
  • the form of the charge control agent is not particularly limited, but is preferably in the form of particles (fine particles).
  • the volume-based average particle diameter (volume average particle diameter) of the charge control agent is, for example, preferably from 1 nm to 100 nm, and more preferably from 5 nm to 50 nm. If the particle size of the charge control agent is within the above numerical range (1 nm or more and 100 nm or less), a better charging effect can be obtained. Furthermore, if the particle diameter of the charge control agent is within the above numerical range, coating can be performed more favorably on the surface of the resin.
  • the volume average particle diameter of the charge control agent can be determined by, for example, a laser diffraction / scattering method or a dynamic light scattering method.
  • the content of the charge control agent is preferably 0.5 parts by mass or more and 10 parts by mass or less, and preferably 1 part by mass or more and 5 parts by mass or less with respect to 100 parts by mass of the cellulose fiber and resin mixture. Is more preferable.
  • the content range of the charge control agent is within the above numerical range (0.5 part by mass or more and 10 parts by mass or less)
  • the composite that becomes the ink receiving layer 902 exhibits better and stable chargeability. Can do.
  • the hydrophobic material may contain a white pigment.
  • the whiteness of the ink receiving layer 902 can be adjusted suitably. For example, even when cellulose fibers with low whiteness are used, the ink receiving layer 902 with high whiteness can be formed with a white pigment, and the appearance (quality) of printing can be improved.
  • the white pigment material examples include inorganic pigments such as calcium carbonate, titanium dioxide, barium sulfate, lithopone, aluminum oxide, silicon oxide, antimony trioxide, titanium phosphate, zinc oxide, white lead, zirconium oxide, polystyrene, styrene- Examples thereof include organic fine powders such as divinylbenzene copolymer, and one or a combination of two or more selected from these can be used.
  • titanium dioxide or calcium carbonate is used as the white pigment.
  • the blending amount of the white pigment is, for example, preferably from 1 part by mass to 30 parts by mass, and more preferably from 3 parts by mass to 20 parts by mass with respect to 90 parts by mass of the resin. Thereby, it is possible to more suitably increase the whiteness of the ink receiving layer 902 while suppressing an increase in manufacturing cost of the recording medium 90.
  • the white pigment may be arranged either on the surface or inside of the resin.
  • polyester when 90 parts by weight of polyester is mixed with 10 parts by weight of calcium carbonate, which is a white pigment, in a hopper and then charged into a twin-screw kneading extruder and melt-kneaded to produce white resin pellets.
  • the ink receiving layer 902 formed from resin pellets has higher whiteness.
  • the hydrophobic material may include components other than those described above.
  • the hydrophobic material may include pigments and dyes other than white pigments.
  • colored paper can be easily obtained at low cost by electrostatic coating.
  • the absolute value of the average charge amount of the composite forming the ink receiving layer 902 is preferably 3 ⁇ C / g or more.
  • the charge amount of the composite can be measured by friction charging the composites.
  • the charge amount can be measured, for example, by stirring (mixing) a powder called a standard carrier and a composite in the air and measuring the charge amount of the powder.
  • a standard carrier for example, a spherical carrier with a ferrite core surface-treated, which can be purchased from the Imaging Society of Japan (standard carrier for positively charged or negatively charged polarity toner, available as “P-01 or N-01”).
  • the average charge amount of the composite can be determined, for example, as follows.
  • the mixed powder of 80% by mass of the carrier and 20% by mass of the composite is put into an acrylic container, and the container is placed on a ball mill frame and rotated at 100 rpm for 60 seconds.
  • the carrier and the composite (powder) Mix with.
  • the absolute value of the average charge amount can be obtained by measuring the mixed composite and carrier mixture with a suction-type small charge amount measuring device (for example, “Model 210Hs-2” manufactured by Trek).
  • a powder composed of cellulose fibers having an average length (major axis) of 18 ⁇ m and an average width (minor axis) of 9 ⁇ m and a polyester resin (glass transition temperature: 56 ° C., molecular weight: 10,000) and having a particle diameter of 1 ⁇ m to 40 ⁇ m.
  • the body was mixed in air at a ratio of 2: 8 (weight ratio), and then the polyester resin was fused to cellulose fibers by heat treatment to form a composite.
  • silicon dioxide fine particles whose surface is hydrophobized are added to the composite so that the weight ratio is 1.5%, and the mixture is put into a table-top blender and stirred for 60 seconds at a blade tip speed of 30 m / s. Processed.
  • cellulose fiber is a material that is relatively easy to be positively charged, but it becomes easy to be negatively charged by forming a composite with a polyester resin and coating the composite with inorganic fine particles.
  • the average charge amount is ⁇ 6 ⁇ C / g.
  • the recording medium manufacturing apparatus 1 includes a control unit 11, an ink receiving layer forming unit 13, a surface texture processing unit 14, an ink receiving layer solidifying unit 15, a transport unit 16, and a peeling promoting unit. 18 and a winding unit 19.
  • the control unit 11 is a control device that controls the operation of each unit of the recording medium manufacturing apparatus 1.
  • the control unit 11 includes a CPU (central processing unit) 111 and a storage unit 112.
  • the storage unit 112 stores a control program for controlling the operation, various data, and the like.
  • control unit 11 preferably includes an input unit such as a keyboard and a touch panel, and an image display unit such as an LCD monitor.
  • the operating conditions of each part to be described later may be input in advance to the control program, or may be input each time via the input part. This input information can also be confirmed via the image display unit.
  • the control unit 11 may be provided with a connection unit to which an input unit and an image display unit are connected.
  • the transport unit 16 includes a transport belt 161 that transports the fiber-containing material, a transport roller 162a, a transport roller 162b, and a plurality of transport rollers 162c.
  • the conveyance belt 161 is configured by an endless belt, and can convey toward the positive side in the x-axis direction while placing the fiber-containing material.
  • the conveyor belt 161 preferably has sufficient strength to withstand the conveyance of the fiber-containing material and has sufficient flexibility to function as an endless belt.
  • the conveying belt 161 (belt) is preferably made of a resin having at least a surface on the front side having a medium / high resistance (volume resistivity 10 7 to 10 11 ⁇ ⁇ cm).
  • a constituent material is not particularly limited, and for example, a material in which carbon black is kneaded with a fluororesin can be used.
  • the powder of the fiber-containing material is transferred to the conveying belt 161 due to a potential difference, and is electrostatically held on the conveying belt 161. Further, by reducing the electrostatic resistance of the folded portion 161a of the conveying belt 161 by grounding the conveying roller 162b with a low resistance (volume resistivity of 10 6 ⁇ ⁇ cm or less) or conducting, and the curvature of the folded portion 161a. Thus, the fiber-containing material can be peeled from the transport belt 161. As described above, the folded portion 161 a can prevent the powder of the fiber-containing material constituting the ink receiving layer 902 from remaining on the conveyance belt 161. Further, the ink receiving layer 902 (recording medium 90) made of the fiber-containing material can be easily peeled off from the conveying belt 161.
  • Such a conveyance belt 161 is wound around the conveyance roller 162a and the conveyance roller 162b.
  • the conveyance roller 162a is a main driving roller connected to a motor via a speed reducer, for example.
  • the transport roller 162b is a driven roller that rotates when the rotational force of the transport roller 162a is transmitted through the transport belt 161.
  • the conveyance roller 162a is disposed on the upstream side in the conveyance direction CD 16 of the fiber-containing material by the conveyance belt 161 (conveyance unit 16), and the conveyance roller 162b is disposed on the downstream side.
  • the conveyance roller 162b may be disposed on the upstream side
  • the conveyance roller 162a may be disposed on the downstream side.
  • a plurality of transport rollers 162c are arranged at intervals between the transport rollers 162a and 162b. These conveyance rollers 162c are idle rollers. And the fiber containing material mounted on the conveyance belt 161 can be conveyed because the conveyance roller 162a, the conveyance roller 162b, and each conveyance roller 162c each rotate to the arrow (alpha) 162 direction.
  • the transport unit 16 is capable of changing the speed (conveyance speed) V 16 for conveying the fiber-containing material in the conveying direction CD 16.
  • This changing method is not particularly limited, and examples thereof include a method of adjusting an applied voltage to a motor connected to the transport roller 162a via a speed reducer, a method of changing a gear ratio in the speed reducer, and the like.
  • the ink receiving layer forming portion 13 is disposed on the upstream side in the transport direction CD 16 .
  • the ink receiving layer forming unit 13 is a device that forms the ink receiving layer 902 on the transport belt 161 with a fiber-containing material (a composite that becomes the ink receiving layer 902).
  • the ink receiving layer forming unit 13 includes a material supply unit 2 having a first carrier 24 and the like, a second carrier (photoconductor) 131, a charging unit 132, an exposure unit 133, and a transfer unit 134.
  • the ink receiving layer 902 is formed on the transport belt 161 by electrostatic coating (electrostatic transfer).
  • the material supply unit 2 moves and attaches the fiber-containing material to the outer peripheral surface 131 a of the second carrier 131.
  • the material supply unit 2 includes a storage unit 21, an agitator 22, a supply roller 23, a first carrier 24, a blade 25, and a housing 26.
  • the storage unit 21 stores a powdery fiber-containing material therein.
  • the stirrer 22 can rotate in the direction of the arrow ⁇ 22 in the storage unit 21. Thereby, the fiber-containing material can be stirred and charged in the storage unit 21.
  • the fiber-containing material via a feed roller 23 that rotates in an arrow alpha 23 direction, is supplied to the first bearing member 24.
  • the first carrier 24 is a roller that carries the fiber-containing material discharged from the storage unit 21.
  • the first bearing member 24 has a potential difference between the fiber-containing material supplied through the supply roller 23, while rotating in an arrow alpha 24 direction, fiber-containing material is adhered electrostatically.
  • the blade 25 adjusts the thickness (attachment amount) of the fiber-containing material attached on the first carrier 24 to form a thin film, which is triboelectrically charged.
  • the fiber-containing material on the first carrier 24 moves and adheres to the outer peripheral surface 131 a of the second carrier 131 due to the potential difference between the first carrier 24 and the second carrier 131.
  • the electric potential of the 1st support body 24 and the 2nd support body 131 is set suitably. The setting of the potential is controlled by the control unit 11.
  • the housing 26 has a box shape, for example, and is a storage unit that stores therein the storage unit 21 containing the stirrer 22, the supply roller 23, the first carrier 24, and the blade 25.
  • the second carrier 131 (carrier) has a roller shape, and the fiber-containing material supplied from the material supply unit 2, that is, transferred from the first carrier 24, is supported on the outer peripheral surface 131a. This fiber-containing material is transferred to the conveyor belt 161.
  • the second carrier 131 is connected to a motor and can rotate in the direction of arrow ⁇ 131 (counterclockwise). As a result, the second carrier 131 can stably transfer the fiber-containing material to the transport belt 161 while rotating in the direction of the arrow ⁇ 131 as the transport belt 161 is driven.
  • the 2nd support body 131 is comprised so that the rotational speed can be changed. This changing method is not particularly limited, and for example, it is possible to change the voltage applied to the motor connected to the second carrier 131.
  • the outer peripheral surface 131a of the second carrier 131 is preferably formed of, for example, an organic photoreceptor.
  • the rotation of the second carrier 131 is controlled by the control unit 11.
  • the second carrier 131 is preferably grounded via an earth wire (not shown).
  • a charging unit 132, exposure unit 133, the material supply unit 2 and the transfer section 134 are arranged in this order.
  • the charging unit 132 is a roller that uniformly charges the outer peripheral surface 131 a of the second carrier 131 while rotating in the direction of arrow ⁇ 132 (clockwise) with the rotation of the second carrier 131.
  • the charging unit 132 can charge the outer peripheral surface 131a of the second carrier 131 to a negative potential, for example.
  • the charging unit 132 can be configured by, for example, a corona charger that irradiates ozone, a charging brush, a charging film, or the like. The operation of the charging unit 132 is controlled by the control unit 11.
  • the exposure unit 133 exposes the outer peripheral surface 131a of the second carrier 131 and adjusts the potential of the outer peripheral surface 131a of the second carrier 131.
  • the exposure unit 133 irradiates the outer peripheral surface 131a of the second carrier 131 with the laser beam LB 133 and adjusts the potential so that the fiber-containing material moves and adheres to the outer peripheral surface 131a of the second carrier 131. can do.
  • the potential can be adjusted, for example, by gradually charging a part of the outer peripheral surface 131a of the uniformly charged second carrier 131.
  • the operation of the exposure unit 133 is controlled by the control unit 11.
  • the transfer unit 134 is disposed below the second carrier 131 via the conveyor belt 161, and can sandwich the conveyor belt 161 with the second carrier 131. As a result, the fiber-containing material attached to the outer peripheral surface 131 a of the second carrier 131 can be transferred to the transport belt 161.
  • the transfer unit 134 is an idle roller that rotates in the direction of arrow ⁇ 134 (clockwise), and forms a transfer nip 135 that is a gap (space) with the second carrier 131.
  • the outer peripheral surface 134a of the transfer unit 134 has a predetermined potential.
  • the transfer nip 135 a potential difference is generated between the second carrier 131 and the transfer unit 134, and thus the fiber-containing material on the second carrier 131 is electrostatically moved to the transfer unit 134 side. Then, it is transferred to the conveyor belt 161. Then, the transferred fiber-containing material moves downstream as the conveying belt 161 is driven, and is formed in a belt shape. This band-like fiber-containing material becomes the ink receiving layer 902.
  • the transfer unit 134 has a function as a transport roller that transports the transport belt 161 together with the transport roller 162c of the transport unit 16, and the like.
  • the transfer unit 134 transfers the fiber-containing material by the electrostatic force generated by the potential difference with the second carrier 131.
  • the fiber-containing material can be easily and properly attached to the conveyor belt 161 by a simple method of using electrostatic force (electrostatic transfer). Further, the use of electrostatic transfer contributes to downsizing and noise reduction of the recording medium manufacturing apparatus 1.
  • the transport belt 161 is a transfer target body on which the fiber-containing material supported on the second support body 131 is electrostatically transferred. And this to-be-transferred body, ie, the conveyance belt 161, is a belt which conveys a fiber containing material.
  • the surface property processing unit 14 and the ink receiving layer solidifying unit 15 for performing various types of processing on the fiber-containing material on the transport belt 161 can be sequentially disposed along the transport direction CD 16. 90 can be manufactured quickly.
  • the transfer unit 134 can sandwich the conveyance belt 161 with the second carrier 131.
  • the fiber-containing material is pressurized between the second carrier 131 (carrier) and the conveyor belt 161 (transfer object).
  • the fiber-containing material on the conveyance belt 161 is formed as the ink receiving layer 902 having a uniform thickness.
  • the recording medium 90 obtained from the ink receiving layer 902 is also manufactured with a uniform thickness.
  • the second carrier 131 transports the fiber-containing material carried by the second carrier 131 (carrier) at a speed (circumferential speed) V 131 (first speed V1).
  • the conveyor belt 161 conveys the fiber-containing material transferred to the conveyor belt 161 (transfer object) at a speed V 16 (second speed V2).
  • the conveyance direction CD 16 of the fiber-containing material by the conveyance belt 161 (transfer object) are in the same direction and have a relationship of speed V 131 > speed V 16 (that is, first speed V1> second speed V2). It is preferable to satisfy Due to such a magnitude relationship, when the fiber-containing material is transferred from the second carrier 131 to the conveyor belt 161, the fiber-containing material is temporarily (temporarily) gathered toward the negative side in the x-axis direction at the transfer nip 135. It will stay.
  • the fiber-containing material is conveyed downstream and becomes layered.
  • Such a phenomenon can be expressed with a simple configuration in which the magnitude is set between the speed V 131 and the speed V 16, and the ink receiving layer 902 can be formed as thick as possible.
  • the thickness of the ink receiving layer 902 formed by this phenomenon can be, for example, 10 ⁇ m or more, and preferably 10 ⁇ m or more and 100 ⁇ m or less.
  • satisfying the magnitude relationship between the speed V 131 and the speed V 16 is to adjust the rotational speed (angular speed) of the second carrier 131 and the transport speed of the transport section 16 (the angular speed of the transport roller 162a as the main driving roller). Is possible.
  • Each speed adjustment is controlled by the control unit 11.
  • the magnitude relationship between the speed V 131 and the speed V 16 preferably satisfies at least one of the following two conditions (formula 2).
  • the first condition is that a relationship of
  • the second condition is to satisfy the relationship of
  • the fiber-containing material can be electrostatically transferred from the second carrier 131 to the transport belt 161 (transfer object). Thereby, it is possible to prevent variation in the amount of the fiber-containing material attached to the conveyor belt 161, that is, the fiber-containing material can be adhered to the conveyor belt 161 without excess or deficiency. As a result, the recording medium 90 obtained from the fiber-containing material can be stably manufactured with a uniform thickness.
  • the post-processing unit 20 is disposed downstream of the ink receiving layer forming unit 13, that is, on the positive side in the x-axis direction.
  • the post-processing unit 20 performs post-processing on the fiber-containing material electrostatically transferred to the conveyance belt 161, and includes a surface property processing unit 14 and an ink receiving layer solidifying unit 15.
  • the ink receiving layer 902 immediately after being formed by the ink receiving layer forming portion 13 is in a state in which various types of unevenness such as unevenness in the stripes, undulations, etc. (hereinafter “represented by unevenness in the stripes”) are generated. Although such a state depends on the degree, for example, the ink reception on the recording medium 90 constituted by the ink receiving layer 902 may be somewhat inhibited. Therefore, it is necessary to perform a process for adjusting the surface texture on the ink receiving layer 902 where the unevenness has occurred, and the surface texture processing unit 14 performs this surface texture process.
  • a leveling treatment for leveling and flattening the surface 902a of the ink receiving layer 902 a pressure treatment for pressing the ink receiving layer 902, and a surface 902a of the ink receiving layer 902 are half-finished. And a semi-solidification process to solidify.
  • the cause of unevenness in the ink receiving layer 902 is, for example, due to an assembly error between components constituting the ink receiving layer forming portion 13 (for example, an error in the driving gear pitch during layer formation or transfer), or during transfer. And the like due to the ink receiving layer 902 being broken by the transfer vibration after transfer.
  • the surface texture treatment unit 14 includes a leveling treatment unit 3, a pressure treatment unit 4, and a semi-solidification treatment unit 5. Further, a smoothing processing section 3, a pressure treatment section 4, the semi-solidification unit 5 are disposed in this order along the conveying direction CD 16.
  • the surface texture treatment includes a treatment (equalization treatment) that smoothes and smoothes the surface 902a of the ink receiving layer 902 (a fiber-containing material forming a layer).
  • a treatment equalization treatment
  • the surface 902a of the ink receiving layer 902 can be made smooth.
  • the leveling process is performed by the leveling unit 3.
  • the leveling processing unit 3 includes a leveling roller 31 and a support roller 32.
  • Leveling roller 31 can be rotated by a drive source and a motor (not shown), the arrow alpha 31 direction (counter-clockwise) about the y-axis. Further, the leveling roller 31 can contact the surface 902 a of the ink receiving layer 902. The leveling roller 31, when the tangential velocity at the point of contact with the surface 902a and the V 31, the rotation so as to satisfy the composed velocity V 31 ⁇ velocity V 16 relationship is adjusted.
  • the surface 902a of the ink-receiving layer 902 as you move in the x-axis direction positive side, with fine irregularities or the like to form a stripe unevenness is crushed, fiber-containing material is pushed back to the upstream side in the conveying direction CD 16 It is.
  • the surface 902a of the ink receiving layer 902 is smoothed (flattened), with undulations, irregularities and the like being reduced. Further, the material pushed back from the ink receiving layer 902 may be separately collected and discarded, or may be reused. Further, the rotation of the leveling roller 31 is controlled by the control unit 11.
  • the outer peripheral surface of the leveling roller 31 is made of a metal material such as stainless steel.
  • the surface roughness (centerline average roughness Ra) of the outer peripheral surface of the leveling roller 31 is not particularly limited, but is preferably 0.1 ⁇ m or more and 100 ⁇ m or less, for example.
  • the ink receiving layer 902 is charged with static electricity generated by friction with the leveling roller 31. Therefore, the leveling roller 31 is grounded via the ground wire 33. As a result, the leveling roller 31 can be neutralized, and therefore the fiber-containing material powder constituting the ink receiving layer 902 can be prevented from adhering to the leveling roller 31. As described above, the surface texture treatment unit 14 can perform static elimination on the ink receiving layer 902 while the ink receiving layer 902 (fiber-containing material) is being conveyed.
  • the support roller 32 is disposed on the lower side of the leveling roller 31 via the conveyor belt 161.
  • the support roller 32 is an idle roller that rotates around the y axis in the direction of arrow ⁇ 32 (clockwise). Accordingly, the support roller 32 can support the conveyance belt 161 on which the ink receiving layer 902 is formed from below, and thus sufficiently performs leveling processing (flattening processing) on the surface 902a of the ink receiving layer 902. be able to.
  • the support roller 32 has a function as a conveyance roller which conveys the conveyance belt 161 with the conveyance roller 162c of the conveyance part 16, etc.
  • the surface texture treatment includes a treatment (pressure treatment) for pressurizing the ink receiving layer 902 (a fiber-containing material forming a layer) as described above. By this pressure treatment, the fiber-containing materials are bonded to each other in the ink receiving layer 902.
  • a treatment pressure treatment for pressurizing the ink receiving layer 902 (a fiber-containing material forming a layer) as described above.
  • the pressurizing process is performed by the pressurizing process unit 4.
  • the pressure processing unit 4 is a calendar machine having two pressure rollers 41 whose outer peripheral part 411 is made of a metal material such as stainless steel. These two pressure rollers 41 are arranged vertically through the conveyor belt 161 is a idle roller which rotates in an arrow alpha 41 direction.
  • the ink receiving layer 902 passes between the two pressure rollers 41, the ink receiving layer 902 can be pressed in a direction in which the layer thickness decreases. As a result, pressure treatment is performed, and thus the fiber-containing materials are bonded to each other in the ink receiving layer 902.
  • the density of the fiber-containing material is increased and the density is also made uniform.
  • the force with which the two pressure rollers 41 press the ink receiving layer 902 is, for example, a strong pressure of preferably 5 kg or more and 200 kg or less, more preferably 20 kg or more and 80 kg or less.
  • pressurization with respect to the ink receiving layer 902 is once in this embodiment, it is not limited to this, For example, you may perform in steps over multiple times.
  • the lower pressure roller 41 has a function as a conveyance roller that conveys the conveyance belt 161 together with the conveyance roller 162 c of the conveyance unit 16.
  • the two pressure rollers 41 may be configured such that the distance between the centers is variable. Thereby, a pressurizing force can be adjusted. This adjustment is also controlled by the control unit 11.
  • the surface texture treatment includes a treatment (semi-solidification treatment) for semi-solidifying the surface 902a of the ink receiving layer 902 (layer-like fiber-containing material) as described above.
  • a treatment for semi-solidifying the surface 902a of the ink receiving layer 902 (layer-like fiber-containing material) as described above.
  • a thin film is formed on the surface 902a of the ink receiving layer 902, which contributes to maintaining the shape of the ink receiving layer 902 and the like.
  • the semi-solidification processing is performed in the semi-solidification processing unit 5.
  • the semi-solidification processing unit 5 includes a chamber 51 and a heater 52.
  • the chamber 51 has a heat insulating wall 511 made of a heat insulating material.
  • the chamber 51 has an inlet 512 and an outlet 513. Thereby, the conveyance belt 161 can pass through the chamber 51 together with the ink receiving layer 902.
  • the heater 52 is disposed on the upper side in the chamber 51.
  • the heater 52 is preferably composed of a heating element that generates heat when energized.
  • a halogen heater halogen lamp
  • the ink receiving layer 902 is heated in a non-contact manner from above while passing through the chamber 51.
  • the thermoplastic resin is once melted on the surface 902a side of the ink receiving layer 902.
  • the molten thermoplastic resin is naturally cooled, bound, and solidified, for example. By this solidification, a thin film is formed on the surface 902a with respect to the thickness of the ink receiving layer 902.
  • the fiber-containing material scatters from the ink receiving layer 902 due to static electricity generated by contact with the ink receiving layer solidified portion 15 disposed next to the surface texture processing portion 14, or the ink receiving layer due to vibration caused by conveyance. It is possible to prevent the shape of 902 from collapsing.
  • the heating temperature in the semi-solidification process part 5 is more than the said glass transition temperature of a thermoplastic resin, for example, Preferably it is more than melting
  • the heating temperature is controlled by the control unit 11.
  • the heating time in the half solidification part 5, for example, a distance that the inside of the chamber 51 is the ink-receiving layer 902 moves is determined in relation to the velocity V 16.
  • the fiber-containing material electrostatically transferred to the conveying belt 161 has a layer shape.
  • the surface property processing unit 14 of the post-processing unit 20 can perform various surface property treatments for adjusting the surface property of the fiber-containing material forming the layer, that is, the ink receiving layer 902, as the post-processing.
  • the recording medium 90 constituted by the ink receiving layer 902 can stably receive ink.
  • An ink receiving layer solidifying unit 15 is disposed on the downstream side of the surface texture processing unit 14, that is, on the positive side in the x-axis direction. As shown in FIG. 3, the ink receiving layer solidifying unit 15 has two solidifying rollers 151. These two solidification rollers 151 are arranged up and down via the conveyor belt 161 and rotate in the direction of the arrow ⁇ 151 . Each solidifying roller 151 has a built-in heater 152.
  • the heater 152 is preferably composed of a heating element that generates heat when energized. For example, a halogen heater (halogen lamp) can be used.
  • the ink receiving layer 902 passes between the two solidifying rollers 151, the ink receiving layer 902 can be heated and pressed against the ink receiving layer 902 in a direction in which the layer thickness decreases. Thereby, the thermoplastic resin in the ink receiving layer 902 can be fully melted as a whole. Then, after the ink receiving layer 902 has passed between the two solidifying rollers 151, the molten thermoplastic resin is naturally cooled, bonded, and solidified, for example. Thereby, the ink receiving layer 902 solidified without excess or deficiency is formed.
  • the force with which the two solidifying rollers 151 press the ink receiving layer 902 is preferably 5 kg or more and 200 kg or less, and more preferably 20 kg or more and 80 kg or less.
  • the temperature for heating the ink receiving layer 902 is preferably 100 ° C. or higher and 200 ° C. or lower, and more preferably 120 ° C. or higher and 180 ° C. or lower.
  • the temperature which heats the ink receiving layer 902 is not limited to the said numerical range, It can also change according to the kind of thermoplastic resin. In this case, it is preferable to heat until the thermoplastic resin is softened or melted.
  • the fiber-containing material electrostatically transferred to the conveying belt 161 has a layer shape.
  • the ink receiving layer solidifying unit 15 of the post-processing unit 20 can perform a solidifying process for solidifying the layered fiber-containing material, that is, the ink receiving layer 902, as post-processing.
  • the recording medium 90 composed of the ink receiving layer 902 is solidified without excess or deficiency, and thus has a strength sufficient to withstand printing when used in, for example, an ink jet printer.
  • the conveyor belt 161 is formed with a folded portion 161 a that is folded downstream by a conveyor roller 162 b.
  • a winding portion 19 is disposed on the lower right side in FIG. 3 with respect to the folded portion 161a.
  • the winding unit 19 winds up the recording medium 90 manufactured in a band shape (the ink receiving layer 902 formed in a band shape).
  • the winding portion 19 is a roller that rotates in the direction of an arrow ⁇ 19 around the y axis.
  • the recording medium 90 can be taken up by rotating the take-up unit 19 with the downstream end of the recording medium 90 fixed to the take-up unit 19.
  • the winding unit 19 can also change the winding speed at which the recording medium 90 is wound.
  • This changing method is not particularly limited, and examples thereof include a method of adjusting the voltage applied to the motor connected to the winding unit 19.
  • the recording medium 90 is peeled off from the conveying belt 161 as it is wound up.
  • the diameter of the conveying roller 162b is preferably small in order to increase the curvature of the folded portion 161a of the conveying belt 161 and to easily peel the recording medium 90.
  • it is preferably 20 mm or less, and more preferably 10 mm or more and 20 mm or less.
  • the recording medium manufacturing apparatus 1 includes a separation promoting unit 18 that promotes the separation of the recording medium 90 (fiber-containing material) from the conveyance belt 161 (transfer target).
  • the exfoliation promoting unit 18 is a fan having an air outlet 181 that blows out the air GS 18 .
  • the blower outlet 181 is arrange
  • the recording medium 90 manufactured by the recording medium manufacturing apparatus 1 is printed favorably by, for example, an inkjet method.
  • the recording medium 90 can be printed well even with a laser printer or a copier using toner. Further, the recording medium 90 can be used favorably even by handwriting. In the case of handwriting, for example, a pen or pencil of oil-based ink or water-based ink can be used.
  • the recording medium manufacturing apparatus 1 can be installed in any place such as an office, a factory, a store such as a home, a supermarket, a convenience store, or a public organization such as a school, a hospital, a station, or a public hall. it can.
  • Second Embodiment 4 to 6 are vertical cross-sectional side views sequentially showing the process of displacing the material supply unit with respect to the recording medium manufacturing apparatus (second embodiment) of the present invention.
  • the material supply unit 2 can take the first position where the fiber-containing material can be supplied to the second carrier 131 (carrier) and the second position retracted from the first position. Thereby, various maintenance with respect to the material supply part 2 is attained so that it may mention later.
  • the recording medium manufacturing apparatus 1 When the recording medium manufacturing apparatus 1 continues to be used for a long period of time, for example, maintenance, inspection, cleaning, replenishment of materials (fiber-containing materials), repair, maintenance, replacement (for some parts) It is preferable to perform various maintenance such as replacement). Therefore, the recording medium manufacturing apparatus 1 according to the present embodiment is configured to be able to perform the various maintenance operations on the material supply unit 2.
  • the material supply unit 2 is a cartridge that can take the state shown in FIG. 4 and the state shown in FIGS. 5 and 6 moved from the state shown in FIG. In the state shown in FIG. 4, the material supply unit 2 is located at a first position where the ink receiving layer 902 can be formed. On the other hand, in the state shown in FIGS. 5 and 6, the material supply unit 2 is displaced from the first position to the second position.
  • the ink receiving layer forming part 13 is provided with a support part 6 that enables displacement between the first position and the second position of the material supply part 2.
  • the support part 6 supports the material supply part 2 movably in the x-axis direction (horizontal direction) and the second guide part 61 supports the material supply part 2 movably in the z-axis direction (vertical direction).
  • a guide part 62 supports the material supply part 2 movably in the x-axis direction (horizontal direction) and the second guide part 61 supports the material supply part 2 movably in the z-axis direction (vertical direction).
  • the material supply unit 2 is loaded in the recording medium manufacturing apparatus 1, and transfers the fiber-containing material to the second carrier 131, so that the material supply unit 2 moves on the conveyor belt 161.
  • the ink receiving layer 902 can be formed.
  • the recording medium manufacturing apparatus 1 is in a state where the formation of the ink receiving layer 902 is stopped, and the material supply unit 2 is displaced to the second position.
  • the material supply unit 2 is moved along the material supply unit 2 along the first guide unit 61 along the negative side in the x-axis direction, that is, in the direction along the conveyance direction of the conveyance belt 161. Therefore, it is moved in the opposite direction (arrow ⁇ 61 direction).
  • FIG. 5 the material supply unit 2 is moved along the material supply unit 2 along the first guide unit 61 along the negative side in the x-axis direction, that is, in the direction along the conveyance direction of the conveyance belt 161. Therefore, it is moved in the opposite direction (arrow ⁇ 61 direction).
  • the material supply unit 2 is moved along the second guide unit 62 in the z-axis direction positive side, that is, the vertical direction (arrow ⁇ ) of the transport belt 161 (or the first guide unit 61). 62 ), the material supply unit 2 can finally be detached from the recording medium manufacturing apparatus 1.
  • the material supply unit 2 is detachable from the recording medium manufacturing apparatus 1 at the second position shown in FIGS. 5 and 6. Then, maintenance can be performed on the detachable material supply unit 2. Further, since the material supply unit 2 is in a detachable state, for example, maintenance can be easily performed as compared with a state where the material supply unit 2 is supported by the second guide unit 62.
  • the types of maintenance include, for example, replacement, repair, maintenance, and inspection. If the material supply unit 2 fails due to, for example, deterioration over time, the material supply unit 2 is replaced or repaired. In addition, when the fiber-containing material stored in the storage unit 21 of the material supply unit 2 is used up, that is, when the material is empty, the material supply unit 2 is replaced. In addition, when the material supply unit 2 is prevented from malfunctioning or the like, the material supply unit 2 is serviced or inspected.
  • the material supply unit 2 can be replaced with a new material supply unit 2 in a detachable state. Thereby, replacement
  • the material supply unit 2 can be replaced in a detachable state, and can be repaired, maintained, and inspected in a detachable state. Thereby, repair, maintenance, and inspection can be performed easily and quickly.
  • the material supply unit 2 can be returned to the first position by moving the material supply unit 2 in the opposite direction. Thereby, the material supply unit 2 returns to the first position and is positioned, and the recording medium manufacturing apparatus 1 can be used continuously.
  • the ink receiving layer forming part 13 is preferably provided with a lock part (not shown) for fixing the material supply part 2 in the first position. Thereby, for example, even if the recording medium manufacturing apparatus 1 in the process of manufacturing the recording medium 90 is vibrated by the operation of each part, the positional deviation of the material supply unit 2 can be prevented.
  • the receiving layer 902 can be formed stably. Further, when the material supply unit 2 is moved to the second position, the fixed state by the lock unit can be released.
  • the maintenance target is the material supply unit 2 in the present embodiment, but is not limited thereto.
  • the second carrier 131 can be displaced to a first position where the ink receiving layer 902 can be formed and a second position retracted from the first position. It is preferable that Thereby, the maintenance with respect to the 2nd support body 131 can be performed easily.
  • FIG. 7 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing a recording medium by the recording medium manufacturing apparatus (third embodiment) of the present invention.
  • the second carrier 131 uses the fiber-containing material carried by the second carrier 131 (carrier) at a speed V 131 (first speed V1).
  • the conveying belt 161 (transfer object) conveys the fiber-containing material transferred to the conveying belt 161 (transfer object) at a speed V 16 (second speed V2).
  • the fiber-containing material is electrostatically transferred from the second carrier 131 (carrier) to the conveyor belt 161 (transfer body)
  • the fiber-containing material conveyance direction CD 131 by the second carrier 131 (carrier) is in the opposite direction.
  • the conveying direction CD 131 of the fiber-containing material according to the second bearing member 131, and a conveying direction CD 16 of fiber-containing material by the conveying belt 161 with a simple structure that the opposite direction, conveys the fiber-containing material belt 161 Can stay relatively large.
  • the ink receiving layer 902 made of a fiber-containing material can be formed as thick as possible (for example, 10 ⁇ m or more).
  • the transport direction CD 16 faces the negative side in the x direction, and the ink receiving layer 902 is formed on the transport belt 161 by the ink receiving layer forming unit 13 during the transport. Is done. Further, after the formation of the ink receiving layer 902, the ink receiving layer 902 on the transport belt 161 is subjected to surface texture processing by the surface texture processing unit 14 and solidified by the ink receiving layer solidifying unit 15.
  • each transport roller 162 c rotates in the arrow ⁇ 162 direction opposite to the arrow ⁇ 162 direction in the first embodiment.
  • the ink receiving layer 902 on the conveyance belt 161 can be conveyed toward the negative side in the x direction.
  • the transfer part 134 rotates in the arrow ⁇ 134 direction (counterclockwise) opposite to the arrow ⁇ 134 direction in the first embodiment.
  • the conveyance direction CD 131 of the fiber-containing material by the second carrier 131 is opposite to the conveyance direction CD 16 of the fiber-containing material by the conveyance belt 161.
  • the thickness of the ink receiving layer 902 can be, for example, 10 ⁇ m or more, and preferably 10 ⁇ m or more and 100 ⁇ m or less. Further, the occurrence of streak unevenness or the like in the ink receiving layer 902 can be suppressed or prevented. Furthermore, waste of the fiber-containing material can be prevented.
  • the first condition is that a relationship of
  • the second condition is to satisfy the relationship of
  • the ink receiving layer 902 that is as thick as possible can be stably and quickly formed.
  • the leveling roller 31 rotates in the direction of arrow ⁇ 31 (clockwise) opposite to the direction of arrow ⁇ 31 in the first embodiment. Further, the support roller 32 rotates in the ⁇ 32 direction (counterclockwise) opposite to the arrow ⁇ 32 direction in the first embodiment.
  • Such a leveling processing unit 3 can perform leveling processing.
  • each pressure roller 41 rotates in the arrow ⁇ 41 direction opposite to the arrow ⁇ 41 direction in the first embodiment.
  • the pressurizing process can be performed by such a pressurizing unit 4.
  • FIG. 8 is a vertical cross-sectional side view sequentially illustrating the process of manufacturing a recording medium by the recording medium manufacturing apparatus (fourth embodiment) of the present invention.
  • the weight per unit area of the fiber-containing material carried on the second carrier 131 (carrier) is W1, and the unit of the fiber-containing material electrostatically transferred to the conveyor belt 161 (transfer body).
  • W2 the weight per area
  • the ink receiving layer 902 made of a fiber-containing material can be formed as thick as possible (for example, 10 ⁇ m or more).
  • the weight per unit area of the fiber-containing material supported on the second carrier 131 that is, the basis weight (unit: g / cm 2 ) is W1
  • the fibers transferred to the conveyor belt 161 When the weight per unit area of the contained material, that is, the basis weight (unit: g / cm 2 ) is W2, it is preferable to satisfy the relationship of weight W2 / weight W1> 1.0.
  • a relatively large amount of the fiber-containing material can be transferred from the second carrier 131 to the transport belt 161, so that the ink receiving layer 902 can be formed as thick as possible.
  • the relationship of weight W2 / weight W1 ⁇ 15 is satisfied.
  • the ink receiving layer 902 that is as thick as possible can be stably and quickly formed.
  • FIG. 9 and FIG. 10 are vertical sectional side views sequentially showing the process of manufacturing a recording medium by the recording medium manufacturing apparatus (fifth embodiment) of the present invention.
  • 11 to 13 are vertical sectional views showing examples of the recording medium manufactured by the recording medium manufacturing apparatus (fifth embodiment) of the present invention.
  • a plurality (four in the present embodiment) of the ink receiving layer forming section 13 and the ink receiving layer solidifying section 15 are arranged toward the positive side in the x-axis direction.
  • These four ink receiving layer forming portions 13 are arranged in order from the upstream side, “ink receiving layer forming portion 13A” (see FIG. 9), “ink receiving layer forming portion 13B” (see FIG. 9), “ink receiving layer forming portion”. 13C ”(see FIG. 10) and“ ink receiving layer forming portion 13D ”(see FIG. 10).
  • the four ink receiving layer solidifying sections 15 are arranged in order from the upstream side: “ink receiving layer solidifying section 15A” (see FIG.
  • the ink receiving layer solidifying portion 15A is disposed between the ink receiving layer forming portion 13A and the ink receiving layer forming portion 13B, and the ink receiving layer solidifying portion 15B is the ink receiving layer forming portion 13B and the ink receiving layer forming portion.
  • the ink receiving layer solidified portion 15C is disposed between the ink receiving layer forming portion 13C and the ink receiving layer forming portion 13D, and the ink receiving layer solidifying portion 15D is disposed in the ink receiving layer forming portion 13D. Is arranged on the downstream side, that is, on the positive side in the x-axis direction.
  • the recording medium manufacturing apparatus 1 includes four ink receiving layer forming units 13, that is, four (plural) of material supply units 2 and second support members 131 (support members) are arranged, respectively. And four ink receiving layer solidifying portions 15.
  • the recording medium manufacturing apparatus 1 having such a configuration can manufacture a recording medium 90 composed of a laminated body such as the recording medium 90 shown in FIG.
  • a recording medium 90 shown in FIG. 11 has four ink receiving layers 902 laminated thereon. Further, the thickness of each ink receiving layer 902 is the same.
  • the ink receiving layer forming unit 13 ⁇ / b> A forms the first ink receiving layer 902 on the transport belt 161.
  • the ink receiving layer solidifying portion 15A solidifies the first ink receiving layer 902.
  • the ink receiving layer forming unit 13B forms the second ink receiving layer 902 on the solidified first ink receiving layer 902.
  • the ink receiving layer solidifying portion 15B solidifies the second ink receiving layer 902.
  • the ink receiving layer forming unit 13C forms a third ink receiving layer 902 on the solidified second ink receiving layer 902.
  • the ink receiving layer solidifying portion 15C solidifies the third ink receiving layer 902.
  • the ink receiving layer forming unit 13D forms a fourth ink receiving layer 902 on the solidified third ink receiving layer 902.
  • the ink receiving layer solidifying portion 15D solidifies the fourth ink receiving layer 902.
  • a plurality of ink receiving layers 902 can be sequentially stacked.
  • the above-described streak unevenness may occur.
  • the stripe unevenness becomes random, and as a result, the fourth ink receiving layer 902 is in a state in which the stripe unevenness is eliminated.
  • the manufactured recording medium 90 can stably receive ink.
  • the recording medium manufacturing apparatus 1 has a configuration in which the surface texture processing unit 14 is omitted in the illustrated configuration, but may have a configuration having the surface texture processing unit 14.
  • the formation conditions for forming the first ink receiving layer 902, the formation conditions for forming the second ink receiving layer 902, and the third ink receiving layer 902 are formed.
  • the operating conditions of the ink receiving layer forming unit 13 and the ink receiving layer solidifying unit 15 can be adjusted so that the forming conditions are different from the forming conditions for forming the fourth ink receiving layer 902. Thereby, various recording media 90 having different characteristics (properties) can be manufactured easily and quickly.
  • the adjustment of the operating conditions of the ink receiving layer forming unit 13 and the ink receiving layer solidifying unit 15 is controlled by the control unit 11.
  • the electrostatic force when forming the third ink receiving layer 902 in the ink receiving layer forming portion 13C is different from the electrostatic force when forming the fourth ink receiving layer 902 in the ink receiving layer forming portion 13D.
  • the potential at the transfer section 134 of each ink receiving layer forming section 13 can be adjusted.
  • the potential relationship is “(potential when the first ink receiving layer 902 is formed) ⁇ (potential when the second ink receiving layer 902 is formed) ⁇ (potential when the third ink receiving layer 902 is formed).
  • the first ink receiving layer 902 is heated by the ink receiving layer solidifying unit 15A, and the second ink receiving layer 902 is heated by the ink receiving layer solidifying unit 15B, and the third layer.
  • the ink receiving layer 902 is heated by the ink receiving layer solidifying portion 15C, and the fourth ink receiving layer 902 is heated by the ink receiving layer solidifying portion 15D.
  • the temperature of the heater 152 of each ink receiving layer solidifying unit 15 can be adjusted so that the heating temperature for heating the ink receiving layer 902 of the eye is different.
  • the relationship between the heating temperatures is “(heating temperature when solidifying the first ink receiving layer 902) ⁇ (heating temperature when solidifying the second ink receiving layer 902) ⁇ (solidifying the third ink receiving layer 902). It is preferable that “heating temperature at the time” ⁇ (heating temperature at the time of solidifying the fourth ink receiving layer 902) ”.
  • the ink receiving layer 902 As the ink receiving layer 902 is laminated, the total thickness of the ink receiving layer 902 on the transport belt 161 increases. For this reason, the upper ink receiving layer 902 can improve the melting of the resin depending on the magnitude of the heating temperature, and the subsequent solidification can be performed without excess or deficiency.
  • the first ink receiving layer 902 is pressurized by the ink receiving layer solidifying unit 15A, and the second ink receiving layer 902 is pressed by the ink receiving layer solidifying unit 15B, and the third layer.
  • the ink receiving layer 902 is pressed by the ink receiving layer solidifying portion 15C, and the fourth ink receiving layer 902 is pressed by the ink receiving layer solidifying portion 15D.
  • the pressure applied to the ink receiving layer solidifying portion 15 can be adjusted so that the pressure applied to the ink receiving layer 902 of the eye is different.
  • the relationship between the pressures is as follows: “(pressure applied when the first ink receiving layer 902 is solidified) ⁇ (pressure applied when the second ink receiving layer 902 is solidified) ⁇ (solidification of the third ink receiving layer 902) It is preferable that “pressure applied at the time” ⁇ (pressure applied when the fourth ink receiving layer 902 is solidified) ”.
  • the ink receiving layer 902 As the ink receiving layer 902 is laminated, the total thickness of the ink receiving layer 902 on the transport belt 161 increases. For this reason, the compression of the upper ink receiving layer 902 can be improved by the magnitude relationship of the applied pressure. As a result, the upper layer becomes thinner and can easily transfer the heat from the heater 152, so that the melting of the resin can be further improved.
  • the thickness of the first ink receiving layer 902, the thickness of the second ink receiving layer 902, the thickness of the third ink receiving layer 902, and the thickness of the fourth ink receiving layer 902 are as follows. Different recording media 90 can also be manufactured. The thickness relationship is as follows: “(thickness of first ink receiving layer 902)> (thickness of second ink receiving layer 902)> (thickness of third ink receiving layer 902)> It is preferable that “the thickness of the fourth ink receiving layer 902”. Accordingly, the first ink receiving layer 902 having the maximum thickness can function as an ink stop layer that prevents ink from reaching the back surface of the recording medium 90, for example. Therefore, the recording medium 90 can prevent ink bleeding on the back surface.
  • each ink receiving layer forming unit 13 can be adjusted so that the transfer amount of the fiber-containing material when forming the layer 902 is different.
  • the material supply unit 2 of each ink receiving layer forming unit 13 may be appropriately selected from the following plural types (for example, six types).
  • the first type of material supply unit 2 (hereinafter, the ink receiving layer forming unit 13 having the material supply unit 2 is referred to as “type A”) has a weight ratio of cellulose fibers to resin in the fiber-containing material.
  • a 9: 1 fiber-containing material is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the second type of material supply unit 2 (hereinafter, the ink receiving layer forming unit 13 having the material supply unit 2 is referred to as “type B”) has a weight ratio of cellulose fiber to resin in the fiber-containing material. 8: 2 fiber-containing material is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the third type of material supply unit 2 (hereinafter, the ink receiving layer forming unit 13 having the material supply unit 2 is referred to as “type C”) has a weight ratio of cellulose fiber to resin in the fiber-containing material.
  • a fourth type of material supply unit 2 (hereinafter, the ink receiving layer forming unit 13 having the material supply unit 2 is referred to as “type D”) is used as a coloring material for polyester powder having an average particle size of 12 ⁇ m.
  • a material in which pigment is dispersed is stored. Examples of the color of the pigment include yellow (Y), magenta (M), cyan (C), and black (K), and are appropriately selected from these.
  • the fifth type of material supply unit 2 (hereinafter, the ink receiving layer forming unit 13 having the material supply unit 2 is referred to as “type E”) has a weight ratio of cellulose fiber to resin in the fiber-containing material. 9: 1, and a fiber-containing material in which the pigment as a coloring material is dispersed is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the sixth type of material supply unit 2 (hereinafter, the ink receiving layer forming unit 13 having the material supply unit 2 is referred to as “type F”) has a weight ratio of cellulose fiber to resin in the fiber-containing material. 8: 2 and a fiber-containing material in which the pigment as a coloring material is dispersed is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the ink receiving layer forming portion 13A may be type C
  • the ink receiving layer forming portion 13B may be type B
  • the ink receiving layer forming portion 13C may be type A
  • the ink receiving layer forming portion 13D may be type D. It can.
  • the recording medium manufacturing apparatus 1 can be operated in this state (hereinafter referred to as “first state”). Examples of the operation pattern in the first state include the following pattern.
  • Pattern 1 The ink receiving layer 902 is formed for each of type C and type B, and the formation of the ink receiving layer 902 for type A and type D is stopped.
  • Pattern 2 The ink receiving layer 902 is formed for each of type C and type A, and the formation of the ink receiving layer 902 for type B and type D is stopped.
  • Pattern 3 The ink receiving layer 902 is formed for each of type C, type B, and type D, and the formation of the ink receiving layer 902 for type A is stopped.
  • Pattern 4 The ink receiving layer 902 is formed for each of type C, type A, and type D, and the formation of the ink receiving layer 902 for type B is stopped.
  • the ink receiving layer forming portion 13B can be set to type F, and instead of type A, the ink receiving layer forming portion 13C can be set to type E.
  • the recording medium manufacturing apparatus 1 can be operated. Examples of the operation pattern in the second state include the following pattern.
  • Pattern 5 The ink receiving layer 902 is formed for each of type C and type E, and the formation of the ink receiving layer 902 for type A and type D is stopped.
  • Pattern 6 The ink receiving layer 902 is formed for each of type C and type F, and the formation of the ink receiving layer 902 for type B and type D is stopped.
  • a type C first ink receiving layer 902 (hereinafter referred to as “ink receiving layer 902b”) is formed on the transport belt 161 (see FIG. 12).
  • a second ink receiving layer 902 of type B (hereinafter referred to as “ink receiving layer 902c”) is formed on the ink receiving layer 902b (see FIG. 12).
  • the ink is mainly held by the ink receiving layer 902c, and further permeation of the ink is prevented by the ink receiving layer 902b.
  • the recording medium 90 is prevented from bleeding of the ink on the back surface, that is, the back surface.
  • the recording medium 90 is suitable for printing an image having a relatively high ink dot arrangement density such as a graphic image or a photographic image.
  • an ink receiving layer 902b of type C is formed on the conveyor belt 161 by the operation of pattern 2 (see FIG. 12).
  • an ink receiving layer 902c of type A is formed on the ink receiving layer 902b.
  • the recording medium 90 manufactured in this way the ink is mainly held by the ink receiving layer 902c, and further ink permeation is prevented by the ink receiving layer 902b. Further, the recording medium 90 is suitable mainly for printing characters.
  • a recording medium 90 obtained by laminating a third type ink receiving layer 902 (hereinafter referred to as “ink receiving layer 902d”) of type D on the recording medium 90 obtained by pattern 1 is obtained. (See FIG. 13).
  • This recording medium 90 has the same function as that of the recording medium 90 obtained in the pattern 1, and further becomes a color recording medium 90 in which the color of the pigment is reflected.
  • the recording medium 90 obtained by further laminating the third ink receiving layer 902d of type D on the recording medium 90 obtained by the pattern 2 is obtained.
  • This recording medium 90 has the same function as the recording medium 90 obtained by the pattern 2, and further becomes a color recording medium 90 in which the color of the pigment is reflected.
  • the ink receiving layer 902b is formed by type C
  • the ink receiving layer 902c is formed by type E.
  • the recording medium 90 manufactured in this way is a color recording medium 90 that is suitable mainly for printing graphic images and the like and in which ink permeation is prevented by the ink receiving layer 902c.
  • the ink receiving layer 902b is formed by type C
  • the ink receiving layer 902c is formed by type F.
  • the recording medium 90 manufactured in this manner is a color recording medium 90 that is mainly suitable for printing characters and prevents ink penetration by the ink receiving layer 902c.
  • the recording medium manufacturing apparatus in the recording medium manufacturing apparatus 1, four material supply units 2 and four second carriers 131 (carriers) are arranged in this embodiment, but the number of arrangements is not particularly limited.
  • the recording medium 90 constituted by a laminate may be, for example, a medium in which an intermediate layer made of a material different from the fiber-containing material is disposed between the ink receiving layers 902.
  • the function of the intermediate layer is not particularly limited, and examples thereof include a function of improving the adhesion between the ink receiving layers 902.
  • FIG. 14 is a vertical sectional side view showing a material supply unit included in the recording medium manufacturing apparatus (sixth embodiment) of the present invention.
  • the ink receiving layer forming unit 13 is different from the above embodiments in that the second carrier 131, the charging unit 132, and the exposure unit 133 are omitted.
  • the fiber-containing material is directly transferred from the first carrier 24 to the transport belt 161, and the ink receiving layer 902 having a rectangular (or square) shape in plan view can be formed.
  • the ink receiving layer 902 having a rectangular shape (or square) in plan view when the ink receiving layer 902 having a rectangular shape (or square) in plan view is formed, the ink receiving layer forming unit 13 to the second carrier 131, the charging unit 132, and the exposure unit are formed.
  • the formation can be performed with a simple configuration in which 133 is omitted.
  • FIG. 15 is a block diagram showing the main part of the recording medium manufacturing apparatus (seventh embodiment) of the present invention.
  • FIG. 16 is a plan view showing an example of a recording medium manufactured by the recording medium manufacturing apparatus shown in FIG. 17 is a cross-sectional view taken along line AA in FIG. 18 and 19 are vertical sectional side views sequentially showing the process of manufacturing the recording medium by the recording medium manufacturing apparatus shown in FIG.
  • the recording medium manufacturing apparatus 101 of the present invention includes an ink receiving layer forming unit 113 including at least one material supply unit 102 and a transfer unit 134, and a post-processing unit including a surface texture processing unit 14 and an ink receiving layer solidifying unit 15. 20, a transport unit 116, and a control unit 11, and an apparatus for manufacturing a recording medium 91 by forming an ink receiving layer 902 on a substrate 901.
  • the material supply unit 102 includes a storage unit 21, a stirrer (agitator) 22, a supply roller 23, a carrier 124, a blade 25, and a housing 26 (see FIG. 17).
  • the surface texture processing unit 14 includes a leveling processing unit 3, a pressure processing unit 4, and a semi-solidification processing unit 5.
  • the ink receiving layer solidifying unit 15 includes a solidifying roller 151 and a heater 152.
  • the control unit 11 includes a CPU (central processing unit) 111 and a storage unit 112.
  • the recording medium manufacturing apparatus 101 of the present invention includes at least one material supply unit 102 including a storage unit 21 that stores a fiber-containing material containing cellulose fibers and a resin, and a carrier 124 that supports the fiber-containing material.
  • a transfer unit 134 that electrostatically transfers the fiber-containing material supported on the support 124 to the transfer target (base material 901), and a fiber-containing material (ink) electrostatically transferred to the transfer target (base material 901).
  • a post-processing unit 20 that performs post-processing on the receiving layer 902).
  • the photoconductor can be omitted, and thus the recording medium manufacturing apparatus 101 can be configured as simple as possible.
  • the fiber-containing material can be electrostatically transferred from the carrier 124 to the transfer target (base material 901).
  • the transfer target base material 901
  • the ink receiving layer 902 made of the fiber-containing material can be stably formed with a uniform thickness.
  • the material supply unit 102 can be replaced with the storage unit 21 and the carrier 124.
  • the recording medium 91 manufactured by the recording medium manufacturing apparatus 101
  • the recording medium 91 includes a sheet-like base material 901 and an ink receiving layer 902 formed on the base material 901.
  • the unused recording medium 91 can be used after printing on the ink receiving layer 902.
  • the various information recorded on the ink receiving layer 902 is the same as that in the above embodiment, and a description thereof will be omitted.
  • the recording medium 91 that has been used after printing is no longer needed, for example, the recording medium 91 is reused as waste paper.
  • the ink receiving layer 902 is removed from the recording medium 91 to obtain the base material 901. Then, by forming the ink receiving layer 902 again on the base material 901, the unused recording medium 91 is reproduced (manufactured).
  • the base material 901 is not particularly limited.
  • the base material 901 may be one obtained by removing the ink receiving layer 902 from a used recording medium 91, or a commercially available PPC (Plain Paper). Copier) paper.
  • the ink receiving layer 902 can be removed by at least one of cutting, scraping, grinding, and polishing.
  • the recording medium 91 includes the base material 901 and the ink receiving layer 902.
  • the base material 901 is, for example, the PPC paper.
  • the base material 901 may be a recycled paper manufactured by defibrating waste paper, or may be an OHP sheet (trend spareness) used for an OHP (Over Head Projector).
  • the base material 901 is flexible as described above, but is not limited thereto, and may be a rigid body.
  • the shape of the base material 901 in plan view (the shape seen from the thickness direction of the base material 901) is a rectangle, but is not limited thereto.
  • the size is not particularly limited, and may be, for example, A size or B size.
  • the base material 901 has a blank portion 903 where the ink receiving layer 902 is not provided at least at a part of the edge of the base material 901 in plan view.
  • the blank portion 903 is provided in a strip shape over the entire circumference of the edge portion of the base material 901.
  • the width of the blank portion 903 is, for example, preferably from 1 mm to 10 mm, and more preferably from 3 mm to 7 mm. If the width of the blank portion 903 is equal to or greater than the lower limit value, the ink receiving layer 902 can be easily removed from the blank portion 903. Further, if the width of the blank portion 903 is equal to or less than the upper limit value, the area of the ink receiving layer 902 on the base material 901 can be sufficiently ensured to be printable.
  • the blank part 903 is provided over the perimeter of the edge part of the base material 901, it is not limited to this, You may be provided in a part of edge part of the base material 901.
  • An ink receiving layer 902 is provided on the substrate 901.
  • the ink receiving layer 902 is provided on one surface of the base material 901 (upper first surface 905 in the drawing).
  • the shape of the base material 901 in a plan view is a rectangle
  • the shape of the ink receiving layer 902 in a plan view is also preferably a rectangle (see FIG. 16).
  • the ink receiving layer 902 is a portion that is printed by an inkjet method (for example, by an inkjet printer), and is a composite (fiber-containing material) that includes cellulose fibers and a hydrophobic material that covers at least part of the cellulose fibers. It is the fiber content layer comprised by these. Since such a fiber-containing layer is an ink receiving layer 902 that receives ink, the ink receiving layer 902 can easily receive and infiltrate ink ejected from the print head of the ink jet printer. As a result, the ink receiving layer 902 is printed. As described above, various kinds of information such as characters are recorded on the ink receiving layer 902 by printing.
  • the composite that is a constituent material of the ink receiving layer 902 is a material used for recording information, and can also be referred to as an “information recording material”.
  • the thickness of the ink receiving layer 902 is, for example, preferably 20 ⁇ m to 100 ⁇ m, and more preferably 30 ⁇ m to 70 ⁇ m. If the thickness of the ink receiving layer 902 is equal to or greater than the lower limit (20 ⁇ m), it is possible to suppress the ink ejected by the ink jet printer from penetrating to the base material 901 below the ink receiving layer 902. Further, if the thickness of the ink receiving layer 902 is equal to or less than the upper limit (100 ⁇ m), the manufacturing cost of the recording medium 91 can be suppressed. For example, when the thickness of the ink receiving layer 902 is greater than 50 ⁇ m, it is possible to obtain a recording medium 91 that is more excellent in ink absorbability and retention in the ink receiving layer 902.
  • the ink receiving layer 902 is formed by attaching the composite onto the base material 901 by electrostatic coating (coating using electrostatic force) similar to an electrophotographic system, and is heated under pressure. It is formed.
  • the cellulose fibers have the same size (length, width), configuration, average length, average aspect ratio, and the like as those in the first embodiment, and thus detailed description thereof is omitted. Thereby, the uniformity of the charge amount distribution in the powder made of the composite forming the ink receiving layer 902 can be improved, and thus the composite can be uniformly electrostatically coated on the substrate 901.
  • the hydrophobic material is fused to cellulose fibers by heat treatment, for example, to form a composite. Since the hydrophobic material is the same as in the first embodiment, detailed description thereof is omitted.
  • the hydrophobic material has a function of binding cellulose fibers together, and also has a function of stabilizing the charging characteristics of the composite by covering the cellulose fibers.
  • the hydrophobic material is generally composed of a resin as described later. This resin may be positively charged or negatively charged, but is preferably negatively charged. In general, negatively chargeable resins are particularly excellent in stability of charging characteristics. In addition, negatively chargeable resins are more abundant than positively chargeable resins, and resin properties (for example, melting point, glass transition temperature, bonding strength with cellulose fibers, charge amount, degree of hydrophobicity, etc.) ) Can be easily adjusted, and is advantageous from the viewpoint of reducing the manufacturing cost of the recording medium 91.
  • the resin constituting the hydrophobic material for example, a thermoplastic resin, a curable resin, or the like can be used, but it is preferable to use a thermoplastic resin.
  • a thermoplastic resin generally more stable charging characteristics (particularly negative chargeability) can be obtained.
  • the hydrophobic material may include a thermoplastic resin and a curable resin in addition to the thermoplastic resin alone. Since the thermoplastic resin is the same as that of the first embodiment, detailed description thereof is omitted.
  • the glass transition temperature (Tg) of the thermoplastic resin is preferably, for example, 50 ° C. or higher and 200 ° C. or lower, and more preferably 55 ° C. or higher and 160 ° C. or lower. If the glass transition temperature of the thermoplastic resin is equal to or higher than the lower limit, it is possible to suppress the ink receiving layer 902 from being peeled off by heating to the extent of friction, and to suppress the strength of the ink receiving layer 902 from being lowered. it can. If the glass transition temperature of the thermoplastic resin is equal to or lower than the upper limit value, for example, when the composite to be the ink receiving layer 902 is heated and pressed to fix it, the recording medium 91 needs to be heated to a temperature higher than the upper limit value.
  • the ink receiving layer 902 can be softened by heating, and at that time, it is not necessary to heat the recording medium 91 to a temperature higher than the upper limit value. . Since it is the same as that of 1st Embodiment as curable resin, detailed description is abbreviate
  • Wa is preferably 10% by mass or more and less than 40% by mass, and 15% by mass or more and 30% by mass. The following is more preferable. If content Wa is more than the said lower limit (10 mass%), the binding force of a cellulose fiber can be ensured and it can suppress that a cellulose fiber falls off from the ink receiving layer 902. If the content Wa is less than the upper limit (40% by mass), it is possible to suppress the ink receiving layer 902 from becoming too hydrophobic and to repel ink, and to improve the printing quality. . Whether the composite is in a state before being deposited on the substrate 901 or in a state in which the complex is deposited on the substrate 901 to form the ink receiving layer 902, the content Wa is It is preferable to be within the numerical range.
  • the hydrophobic material may contain a charge control agent (charge control agent).
  • charge control agent charge control agent
  • the charge control agent may have a function as an aggregation inhibitor that suppresses aggregation of the complex.
  • the hydrophobic material at least a part of the charge control agent is usually exposed on the surface of the resin. Thereby, the effect by including a charge control agent is exhibited more effectively. Since the charge control agent is the same as in the first embodiment, detailed description thereof is omitted.
  • the hydrophobic material may contain a white pigment.
  • the whiteness of the ink receiving layer 902 can be adjusted suitably. For example, even when the substrate 901 with low whiteness or cellulose fibers with low whiteness is used, the ink receiving layer 902 with high whiteness can be formed with a white pigment, and the appearance of printing ( Quality).
  • the white pigment material and blending amount are the same as those in the first embodiment, and thus detailed description thereof is omitted. Thereby, the whiteness of the ink receiving layer 902 can be more suitably increased while suppressing an increase in the manufacturing cost of the recording medium 91.
  • the white pigment may be arranged either on the surface or inside of the resin.
  • polyester when 90 parts by weight of polyester is mixed with 10 parts by weight of calcium carbonate, which is a white pigment, in a hopper and then charged into a twin-screw kneading extruder and melt-kneaded to produce white resin pellets.
  • the ink receiving layer 902 formed from resin pellets has higher whiteness.
  • the hydrophobic material may include components other than those described above.
  • the hydrophobic material may include pigments and dyes other than white pigments.
  • colored paper can be easily obtained at low cost by electrostatic coating.
  • the absolute value of the average charge amount of the composite forming the ink receiving layer 902 is preferably 3 ⁇ C / g or more. When the absolute value of the average charge amount of the composite is higher, the composite can be easily attached onto the substrate 901 by electrostatic coating, and the ink receiving layer 902 can be formed. Note that the measurement of the charge amount of the composite and the method of obtaining the average charge amount are the same as in the first embodiment, and thus detailed description thereof is omitted.
  • the recording medium manufacturing apparatus 101 includes a control unit 11, an ink receiving layer forming unit 113 having a material supply unit 102 and a transfer unit 134, a surface texture processing unit 14, and an ink receiving layer solidifying unit 15.
  • a post-processing section 20 having a transport section 116.
  • control unit 11 Since the control unit 11 is the same as that of the first embodiment, a detailed description thereof is omitted.
  • the transport unit 116 transports the base material 901 before the ink receiving layer 902 is formed or the base material 901 (the recording medium 91) on which the ink receiving layer 902 is formed.
  • the recording medium 91 is provided before, during, and after manufacturing.
  • the conveyance unit 116 has a plurality of conveyance rollers 163.
  • the transport rollers 163 are configured as a set of two, and transport the substrate 901 between them.
  • each pair of transport rollers 163 is arranged at intervals along the transport direction of the base material 901.
  • interval of each adjacent conveyance roller 163 is smaller than the length of the base material 901 in the x-axis direction (conveyance direction).
  • the base material 901 can be conveyed by each conveyance roller 163 rotating in the arrow (alpha) 163 direction, respectively.
  • the transport unit 116 does not need to be a drive roller in which all the transport rollers 163 are connected to a motor, and any transport roller 163 is a drive roller as long as the base material 901 can be transported. It is optional.
  • the conveyance part 116 is comprised so that a conveyance speed which conveys the base material 901 is changeable.
  • the changing method is not particularly limited, and examples thereof include a method of adjusting a voltage applied to a motor connected to the transport roller 163.
  • the substrate 901 before the ink receiving layer 902 is formed is supplied from the tray 17 to the transport unit 116.
  • This supply may be performed automatically or manually.
  • the base material 901 on which the ink receiving layer 902 is formed is separately collected from the transport unit 116 on the downstream side in the transport direction. This collection may also be performed automatically or manually.
  • an ink receiving layer forming unit 113 is disposed in the middle of the substrate 901 in the transport direction.
  • the ink receiving layer forming unit 113 is an apparatus that forms the ink receiving layer 902 on the base material 901 using a fiber-containing material (a composite that becomes the ink receiving layer 902).
  • the ink receiving layer forming unit 113 includes a material supply unit 102 having a carrier 124 and the like, and a transfer unit 134, and is an apparatus that forms the ink receiving layer 902 on the substrate 901 by electrostatic coating.
  • the material supply unit 102 can move and adhere the fiber-containing material to the base material 901.
  • the material supply unit 102 includes a storage unit 21, an agitator 22, a supply roller 23, a carrier 124, a blade 25, and a housing 26.
  • the storage unit 21 stores a powdery fiber-containing material therein.
  • the stirrer 22 can rotate in the direction of the arrow ⁇ 22 in the storage unit 21. Thereby, the fiber-containing material can be stirred and charged in the storage unit 21.
  • the fiber-containing material via a feed roller 23 that rotates in an arrow alpha 23 direction, is supplied to the carrier 124.
  • the carrier 124 is a roller that carries the fiber-containing material discharged from the storage unit 21.
  • the carrier 124 has a potential difference between the fiber-containing material supplied through the supply roller 23, while rotating in an arrow alpha 24 direction, fiber-containing material is adhered electrostatically.
  • the potential difference between the carrier 124 and the supply roller 23 is set as appropriate.
  • the setting of the potential difference is controlled by the control unit 11.
  • the carrier 124 is configured to be able to change its peripheral speed. This changing method is not particularly limited, and for example, it is possible to change the voltage applied to the motor connected to the carrier 124.
  • the blade 25 adjusts the thickness (attachment amount) of the fiber-containing material adhering on the carrier 124 to form a thin film, which is triboelectrically charged.
  • the housing 26 has a box shape, for example, and is a storage unit that stores therein the storage unit 21 in which the stirrer 22 is built, the supply roller 23, the carrier 124, and the blade 25.
  • the transfer unit 134 electrostatically transfers the fiber-containing material supported on the support 124 to the base material 901 that is a transfer target.
  • the transfer unit 134 is an idle roller that rotates in the arrow ⁇ 134 direction opposite to the arrow ⁇ 24 direction.
  • the transfer unit 134 is disposed below the carrier 124 and can sandwich the base material 901 with the carrier 124. In this state, the carrier 124 rotates in the direction of the arrow ⁇ 24 and the transfer unit 134 can rotate in the direction of the arrow ⁇ 134 .
  • the transfer unit 134 forms a transfer nip 135 that is a gap (space) between the transfer unit 134 and the carrier 124.
  • the transfer unit 134 In the transfer nip 135, a potential difference is generated between the transfer unit 134 and the carrier 124. As a result, the fiber-containing material on the carrier 124 is electrostatically moved to the transfer unit 134 side and is stably transferred to the base material 901. Then, the transferred fiber-containing material is formed into a layer shape with the movement of the base material 901 and becomes the ink receiving layer 902. Further, the transfer unit 134 has a function as a transport roller that transports the base material 901 together with the transport roller 163 of the transport unit 116.
  • the ink receiving layer 902 formed on the base material 901 has a relatively simple (simple) quadrangular shape such as a rectangle (or square) in plan view. (See FIG. 16). Then, the ink receiving layer 902 having such a planar shape is continuously formed. Accordingly, in the recording medium manufacturing apparatus 101, since it is less necessary to form images of various shapes, the photoconductor is omitted, and the fiber-containing material is directly transferred from the carrier 124 to the base material 901. can do. Thereby, the recording medium manufacturing apparatus 101 can be made as simple as possible.
  • the fiber-containing material is electrostatically transferred from the carrier 124 to the base material 901 (transfer object). Since a photoreceptor whose characteristics are severely deteriorated is not used, it is possible to prevent variations in the amount of the fiber-containing material attached to the base material 901. That is, the fiber-containing material adheres to the base material 901 without excess or deficiency. be able to.
  • the carrier 124 is composed of a metal roller or a roller having a dielectric on the surface layer, and has a very long deterioration and a long life. As a result, the ink receiving layer 902 obtained from the fiber-containing material can be stably formed with a uniform thickness.
  • the transfer unit 134 can transfer the fiber-containing material to the base material 901 that is a transfer target by electrostatic force generated by a potential difference with the carrier 124.
  • the fiber-containing material can be easily and properly attached to the base material 901 by a simple method of using electrostatic force (electrostatic transfer).
  • electrostatic transfer contributes to downsizing and noise reduction of the recording medium manufacturing apparatus 101.
  • the transfer target onto which the fiber-containing material on the carrier 124 is transferred is the base material 901 that constitutes the recording medium 91 together with the fiber-containing material.
  • the recording medium 91 composed of the base material 901 and the ink receiving layer 902 can be rapidly manufactured.
  • the post-processing unit 20 is disposed downstream of the ink receiving layer forming unit 113, that is, on the positive side in the x-axis direction.
  • the post-processing unit 20 performs post-processing on the fiber-containing material electrostatically transferred to the substrate 901, and includes a surface property processing unit 14 and an ink receiving layer solidifying unit 15.
  • the ink receiving layer 902 immediately after being formed by the ink receiving layer forming portion 113 is in a state in which various types of unevenness such as unevenness in the stripes, undulation (hereinafter, “represented by unevenness in stripes”) has occurred.
  • Such a state depends on the degree, but for example, the ink reception in the ink receiving layer 902 may be somewhat inhibited. Therefore, it is necessary to perform a process for adjusting the surface texture on the ink receiving layer 902 where the unevenness has occurred, and the surface texture processing unit 14 performs this surface texture process.
  • a leveling treatment for leveling and flattening the surface 902a of the ink receiving layer 902 a pressure treatment for pressing the ink receiving layer 902, and a surface 902a of the ink receiving layer 902 are half-finished. And a semi-solidification process to solidify.
  • the cause of the unevenness in the ink receiving layer 902 is, for example, due to an assembly error between components constituting the ink receiving layer forming portion 113 (for example, an error in the driving gear pitch during layer formation or transfer), or during transfer. And the like due to the ink receiving layer 902 being broken by the transfer vibration after transfer.
  • the surface texture treatment unit 14 includes a leveling treatment unit 3, a pressure treatment unit 4, and a semi-solidification treatment unit 5. Further, the leveling processing unit 3, the pressure processing unit 4, and the semi-solidification processing unit 5 are arranged in this order along the conveyance direction of the base material 901.
  • the surface texture treatment includes a treatment (equalization treatment) that smoothes and smoothes the surface 902a of the ink receiving layer 902 (a fiber-containing material forming a layer).
  • a treatment equalization treatment
  • the surface 902a of the ink receiving layer 902 can be made smooth.
  • the leveling process is performed by the leveling unit 3.
  • the leveling processing unit 3 includes a leveling roller 31 and a support roller 32.
  • Smoothing rollers 31, by a motor (not shown) which is a driving source can rotate in an arrow alpha 31 direction. Further, the leveling roller 31 can contact the surface 902 a of the ink receiving layer 902. And the rotation of the leveling roller 31 is adjusted so that the tangential speed at the contact point with the surface 902a is smaller than the conveying speed of the base material 901. As a result, as the surface 902a of the ink receiving layer 902 moves to the positive side in the x-axis direction, minute irregularities and the like that form streaks are crushed and the fiber-containing material is pushed back upstream. As a result, the surface 902a of the ink receiving layer 902 is smoothed (flattened), with undulations, irregularities and the like being reduced. Further, the material pushed back from the ink receiving layer 902 may be separately collected and discarded, or may be reused. Further, the rotation of the leveling roller 31 is controlled by the control unit 11.
  • the outer peripheral surface of the leveling roller 31 is made of a metal material such as stainless steel.
  • the surface roughness (centerline average roughness Ra) of the outer peripheral surface of the leveling roller 31 is not particularly limited, but is preferably 0.1 ⁇ m or more and 100 ⁇ m or less, for example.
  • the ink receiving layer 902 is charged with static electricity generated by friction with the leveling roller 31. Therefore, the leveling roller 31 is grounded via the ground wire 33. As a result, the leveling roller 31 can be neutralized, and therefore the fiber-containing material powder constituting the ink receiving layer 902 can be prevented from adhering to the leveling roller 31. As described above, the surface texture treatment unit 14 can perform static elimination on the ink receiving layer 902 while the ink receiving layer 902 (fiber-containing material) is being conveyed.
  • the support roller 32 is disposed below the leveling roller 31.
  • This support roller 32 is an idle roller that rotates in the direction of arrow ⁇ 32 .
  • the support roller 32 can support the base material 901 on which the ink receiving layer 902 is formed from below, and thus sufficiently performs a leveling process (flattening process) on the surface 902a of the ink receiving layer 902. be able to.
  • the support roller 32 has a function as a transport roller that transports the base material 901 together with the transport roller 163 of the transport unit 116.
  • the surface texture treatment includes a treatment (pressure treatment) for pressurizing the ink receiving layer 902 (a fiber-containing material forming a layer) as described above. By this pressure treatment, the fiber-containing materials are bonded to each other in the ink receiving layer 902.
  • a treatment pressure treatment for pressurizing the ink receiving layer 902 (a fiber-containing material forming a layer) as described above.
  • the pressurizing process is performed by the pressurizing process unit 4.
  • the pressure processing unit 4 is a calendar machine having two pressure rollers 41 whose outer peripheral part 411 is made of a metal material such as stainless steel. These two pressure rollers 41 are arranged at the top and bottom and are idle rollers that rotate in the direction of arrow ⁇ 41 .
  • the ink receiving layer 902 passes between the two pressure rollers 41, the ink receiving layer 902 can be pressed in a direction in which the layer thickness decreases. As a result, pressure treatment is performed, and thus the fiber-containing materials are bonded to each other in the ink receiving layer 902.
  • the density of the fiber-containing material is increased and the density is also made uniform.
  • the force with which the two pressure rollers 41 press the ink receiving layer 902 is, for example, a strong pressure of preferably 5 kg or more and 200 kg or less, more preferably 20 kg or more and 80 kg or less.
  • pressurization with respect to the ink receiving layer 902 is once in this embodiment, it is not limited to this, For example, you may perform in steps over multiple times.
  • the lower pressure roller 41 has a function as a transport roller that transports the base material 901 together with the transport roller 163 of the transport unit 116. Further, the two pressure rollers 41 may be configured such that the distance between the centers is variable. Thereby, a pressurizing force can be adjusted. This adjustment is also controlled by the control unit 11.
  • the surface texture treatment includes a treatment (semi-solidification treatment) for semi-solidifying the surface 902a of the ink receiving layer 902 (layer-like fiber-containing material) as described above.
  • a treatment for semi-solidifying the surface 902a of the ink receiving layer 902 (layer-like fiber-containing material) as described above.
  • a thin film is formed on the surface 902a of the ink receiving layer 902, which contributes to maintaining the shape of the ink receiving layer 902 and the like.
  • the semi-solidification processing is performed in the semi-solidification processing unit 5.
  • the semi-solidification processing unit 5 includes a chamber 51 and a heater 52.
  • the chamber 51 has a heat insulating wall 511 made of a heat insulating material.
  • the chamber 51 has an inlet 512 and an outlet 513. Accordingly, the base material 901 can pass through the chamber 51 together with the ink receiving layer 902.
  • the heater 52 is disposed on the upper side in the chamber 51.
  • the heater 52 is preferably composed of a heating element that generates heat when energized.
  • a halogen heater halogen lamp
  • the ink receiving layer 902 is heated in a non-contact manner from above while passing through the chamber 51.
  • the thermoplastic resin is once melted on the surface 902a side of the ink receiving layer 902.
  • the molten thermoplastic resin is naturally cooled, bound, and solidified, for example. By this solidification, a thin film is formed on the surface 902a with respect to the thickness of the ink receiving layer 902.
  • the fiber-containing material scatters from the ink receiving layer 902 due to static electricity generated by contact with the ink receiving layer solidified portion 15 disposed next to the surface texture processing portion 14, or the ink receiving layer due to vibration caused by conveyance. It is possible to prevent the shape of 902 from collapsing.
  • the heating temperature in the semi-solidification process part 5 is more than the said glass transition temperature of a thermoplastic resin, for example, Preferably it is more than melting
  • the heating temperature is controlled by the control unit 11.
  • the heating time in the semi-solidification processing unit 5 is obtained, for example, by the relationship between the distance that the base material 901 (ink receiving layer 902) moves in the chamber 51 and the transport speed of the base material 901.
  • the fiber-containing material electrostatically transferred to the substrate 901 (transfer target) has a layer shape.
  • the surface property processing unit 14 of the post-processing unit 20 can perform various surface property treatments for adjusting the surface property of the fiber-containing material forming the layer, that is, the ink receiving layer 902, as the post-processing.
  • the ink receiving layer 902 can stably receive ink.
  • the ink receiving layer solidifying unit 15 is disposed on the downstream side with respect to the surface texture processing unit 14, that is, on the positive side in the x-axis direction.
  • the ink receiving layer solidifying unit 15 has two solidifying rollers 151. These two solidification rollers 151 are arranged vertically and rotate in the direction of arrow ⁇ 151 .
  • Each solidifying roller 151 has a built-in heater 152.
  • the heater 152 is preferably composed of a heating element that generates heat when energized. For example, a halogen heater (halogen lamp) can be used.
  • the ink receiving layer 902 passes between the two solidifying rollers 151, the ink receiving layer 902 can be heated and pressed against the ink receiving layer 902 in a direction in which the layer thickness decreases. Thereby, the thermoplastic resin in the ink receiving layer 902 can be fully melted as a whole. Then, after the ink receiving layer 902 has passed between the two solidifying rollers 151, the molten thermoplastic resin is naturally cooled, bonded, and solidified, for example. Thereby, the ink receiving layer 902 solidified without excess or deficiency is formed.
  • the force with which the two solidifying rollers 151 press the ink receiving layer 902 is, for example, preferably 1 kg or more and 100 kg or less, more preferably 10 kg or more and 30 kg or less.
  • the temperature for heating the ink receiving layer 902 is preferably 100 ° C. or higher and 200 ° C. or lower, and more preferably 120 ° C. or higher and 180 ° C. or lower.
  • the temperature which heats the ink receiving layer 902 is not limited to the said numerical range, It can also change according to the kind of thermoplastic resin. In this case, it is preferable to heat until the thermoplastic resin is softened or melted.
  • the fiber-containing material electrostatically transferred to the substrate 901 (transfer target) has a layer shape.
  • the ink receiving layer solidifying unit 15 of the post-processing unit 20 can perform a solidifying process for solidifying the layered fiber-containing material, that is, the ink receiving layer 902, as post-processing.
  • the ink receiving layer 902 is solidified without excess or deficiency. Therefore, when used in, for example, an ink jet printer, the ink receiving layer 902 has sufficient strength to withstand printing.
  • the recording medium 91 manufactured by the recording medium manufacturing apparatus 101 is favorably printed by, for example, an inkjet method.
  • the recording medium 91 can be printed well even with a laser printer or a copier using toner. Further, the recording medium 91 can be used favorably even by handwriting. In the case of handwriting, for example, a pen or pencil of oil-based ink or water-based ink can be used.
  • the recording medium manufacturing apparatus 101 can be installed in any place such as an office, a factory, a store such as a home, a supermarket, a convenience store, or a public organization such as a school, a hospital, a station, or a public hall. it can.
  • ⁇ Eighth Embodiment> 20 and 21 are vertical sectional side views sequentially showing the process of manufacturing the recording medium by the recording medium manufacturing apparatus (eighth embodiment) of the present invention.
  • the transfer target body onto which the fiber-containing material on the carrier 124 is transferred is a transport belt 161 (belt) that transports the fiber-containing material.
  • the conveyance unit 116 has a conveyance belt 161 (belt).
  • the fiber-containing material transferred to the conveyor belt 161 moves downstream as the conveyor belt 161 is driven, and is formed in a belt shape.
  • This band-like fiber-containing material becomes the ink receiving layer 902.
  • the transfer object is the conveyance belt 161.
  • the base material 901 is omitted, and the recording medium 91 composed of the ink receiving layer 902 can be obtained.
  • the conveyance part 116 also has the conveyance roller 162a, the conveyance roller 162b, and the some conveyance roller 162c.
  • the conveyance belt 161 is configured by an endless belt, and can convey toward the positive side in the x-axis direction while placing the fiber-containing material.
  • the conveyor belt 161 preferably has sufficient strength to withstand the conveyance of the fiber-containing material and has sufficient flexibility to function as an endless belt.
  • the transport belt 161 is made of a resin having at least a surface on the front side having a medium / high resistance (volume resistivity 10 7 to 10 11 ⁇ ⁇ cm).
  • a constituent material is not particularly limited, and for example, a material in which carbon black is kneaded with a fluororesin can be used.
  • the powder of the fiber-containing material is transferred to the conveying belt 161 by the potential difference, and is electrostatically held on the conveying belt 161. Further, by reducing the electrostatic resistance of the folded portion 161a of the conveying belt 161 by grounding the conveying roller 162b with a low resistance (volume resistivity of 10 6 ⁇ ⁇ cm or less) or conducting, and the curvature of the folded portion 161a. Thus, the fiber-containing material can be peeled from the transport belt 161. In this way, the powder of the fiber-containing material constituting the ink receiving layer 902 can be prevented from remaining on the transport belt 161. Further, the ink receiving layer 902 (recording medium 91) made of the fiber-containing material can be easily peeled from the transport belt 161.
  • Such a conveyance belt 161 is wound around the conveyance roller 162a and the conveyance roller 162b.
  • the conveyance roller 162a is a main driving roller connected to a motor via a speed reducer, for example.
  • the transport roller 162b is a driven roller that rotates when the rotational force of the transport roller 162a is transmitted through the transport belt 161.
  • the conveyance roller 162a is arranged on the upstream side in the conveyance direction of the fiber-containing material by the conveyance belt 161 (conveyance unit 116), and the conveyance roller 162b is arranged on the downstream side.
  • the transport roller 162b may be disposed on the upstream side
  • the transport roller 162a may be disposed on the downstream side.
  • a plurality of transport rollers 162c are arranged at intervals between the transport rollers 162a and 162b. These conveyance rollers 162c are idle rollers. And the fiber containing material mounted on the conveyance belt 161 can be conveyed because the conveyance roller 162a, the conveyance roller 162b, and each conveyance roller 162c each rotate to the arrow (alpha) 162 direction.
  • the transport unit 116 is capable of changing the speed (conveyance speed) V 16 for conveying the fiber-containing material.
  • This changing method is not particularly limited, and examples thereof include a method of adjusting an applied voltage to a motor connected to the transport roller 162a via a speed reducer, a method of changing a gear ratio in the speed reducer, and the like.
  • the conveyance direction CD 24 of the fiber-containing material by the carrier 124 and the conveyance direction CD 16 of the fiber-containing material by the conveyance unit 116 are the same direction. ing.
  • the carrier 124 conveys the fiber-containing material carried by the carrier 124 at a speed (circumferential speed) V 24 (first speed V1), and the conveyor belt 161 is transported to the conveyor belt 161.
  • the transferred fiber-containing material is conveyed at a speed V 16 (second speed V2).
  • the fiber-containing material conveyance direction CD 24 by the carrier 124 and the fiber-containing material conveyance direction CD 16 by the conveyor belt 161 are: It is preferable to satisfy the relationship of the same direction and the speed V 24 > speed V 16 (that is, the first speed V1> the second speed V2). Due to such a magnitude relationship, when the fiber-containing material is transferred from the carrier 124 to the transport belt 161, the fiber-containing material is once collected (temporarily) gathered and collected toward the negative side in the x-axis direction at the transfer nip 135. It becomes.
  • the fiber-containing material is conveyed downstream and becomes layered.
  • Such a phenomenon can be expressed with a simple configuration in which the magnitude is set between the speed V 24 and the speed V 16, and the ink receiving layer 902 can be formed as thick as possible.
  • the thickness of the ink receiving layer 902 formed by this phenomenon can be, for example, 10 ⁇ m or more, and preferably 10 ⁇ m or more and 100 ⁇ m or less.
  • satisfying the magnitude relationship between the speed V 24 and the speed V 16 is to adjust the rotational speed (angular speed) of the carrier 124 and the transport speed of the transport section 116 (angular speed of the transport roller 162a as the main driving roller). Is possible. Each speed adjustment is controlled by the control unit 11.
  • the magnitude relationship between the speed V 24 and the speed V 16 satisfies at least one of the following two conditions (formula 2).
  • the first condition is that
  • the second condition is to satisfy the relationship of
  • the conveyor belt 161 is formed with a folded portion 161a that is folded downstream by a conveyor roller 162b.
  • a winding portion 19 is disposed on the lower right side in FIG. 21 with respect to the folded portion 161a.
  • the winding unit 19 winds up the recording medium 91 manufactured in a strip shape (the ink receiving layer 902 formed in a strip shape).
  • the winding unit 19 is a roller which rotates in an arrow alpha 19 direction.
  • the recording medium 91 can be wound into a roll shape by rotating the winding section 19 with the downstream end of the recording medium 91 fixed to the winding section 19.
  • the winding unit 19 can also change the winding speed for winding the recording medium 91.
  • This changing method is not particularly limited, and examples thereof include a method of adjusting the voltage applied to the motor connected to the winding unit 19.
  • the recording medium 91 is peeled off from the conveying belt 161 as it is wound up.
  • the diameter of the conveying roller 162b is preferably small in order to increase the curvature of the folded portion 161a of the conveying belt 161 and to easily peel the recording medium 91.
  • it is preferably 20 mm or less, and more preferably 10 mm or more and 20 mm or less.
  • the recording medium manufacturing apparatus 101 includes a separation promoting unit 18 that promotes the separation of the recording medium 91 (fiber-containing material) from the conveyance belt 161 (transfer object).
  • the exfoliation promoting unit 18 is a fan having an air outlet 181 that blows out the air GS 18 .
  • the blower outlet 181 is arrange
  • the air GS 18 can be caused to flow between the conveyance belt 161 and the recording medium 91 at the folded portion 161a of the conveyance belt 161, so that the separation between the conveyance belt 161 and the recording medium 91 is facilitated.
  • the air GS 18 that flows between the conveyance belt 161 and the recording medium 91 strikes the recording medium 91.
  • the recording medium 91 is cooled and further solidified, and peeling from the conveying belt 161 is further facilitated, that is, promoted.
  • the conveyance unit 116 is not limited to the one having the conveyance belt 161, and may be one having a platen (stage), for example.
  • the recording medium manufacturing apparatus 101 is configured such that the transport direction CD 24 and the transport direction CD 16 are in the same direction, but is not limited thereto, and the transport direction CD 24 and the transport direction CD 16 are opposite directions. You may be comprised so that it may become.
  • the recording medium manufacturing apparatus 101 defines the magnitude relationship between the speed V 24 and the speed V 16 to form the ink receiving layer 902, but is not limited to this.
  • the weight per unit area of the fiber-containing material supported on the support 124 that is, the basis weight (unit: g / cm 2 )
  • electrostatic transfer is performed to the transport belt 161.
  • the weight per unit area of the obtained fiber-containing material that is, the basis weight (unit: g / cm 2 )
  • the relationship of weight W2 / weight W1> 1.0 may be satisfied.
  • the fiber-containing material can be transferred from the carrier 124 to the conveying belt 161 with a simple configuration in which the size is increased between the weight W1 and the weight W2. Furthermore, it is preferable to satisfy the relationship of weight W2 / weight W1 ⁇ 15. As a result, the ink receiving layer 902 that is as thick as possible can be stably and quickly formed.
  • the potential at the carrier 124 and the potential (or electric field strength) at the transfer unit 134 can be adjusted. Such potential adjustment is controlled by the control unit 11.
  • ⁇ Ninth Embodiment> 22 and 23 are vertical sectional side views sequentially showing the process of displacing the material supply unit with respect to the recording medium manufacturing apparatus (9th embodiment) of the present invention.
  • the material supply unit 102 has a first position (state shown in FIG. 22) where the fiber-containing material can be electrostatically transferred to the transfer target (base material 901) and a first position retracted from the first position. Two positions (state shown in FIG. 23) can be taken. As a result, various maintenance can be performed on the material supply unit 102 as will be described later.
  • the recording medium manufacturing apparatus 101 When the recording medium manufacturing apparatus 101 continues to be used for a long period of time, for example, maintenance, inspection, cleaning, replenishment of materials (fiber-containing materials), repair, maintenance, replacement (for some parts) It is preferable to perform various maintenance such as replacement). Therefore, the recording medium manufacturing apparatus 101 according to the present embodiment is configured to be able to perform the various maintenance operations on the material supply unit 102.
  • the material supply unit 102 is a cartridge that can take the state shown in FIG. 22 and the state shown in FIG. 23 moved from the state shown in FIG. In the state shown in FIG. 22, the material supply unit 102 is located at a first position where the fiber-containing material can be electrostatically transferred to the base material 901 that is the transfer target. On the other hand, in the state shown in FIG. 23, the material supply unit 102 is displaced from the first position to the second position.
  • the ink receiving layer forming portion 113 is provided with a support portion 106 that enables displacement between the first position and the second position of the material supply unit 102.
  • the support unit 106 includes a guide unit 63 that supports the material supply unit 102 so as to be movable in the z-axis direction (vertical direction), a regulation unit 64 that regulates the movement limit of the material supply unit 102 to the negative side in the z-axis direction, have.
  • the material supply unit 102 is loaded in the recording medium manufacturing apparatus 101 at the first position.
  • the material supply unit 102 in the loaded state transfers the fiber-containing material to the base material 901 conveyed to the transfer nip 135 to perform electrostatic transfer, and the ink receiving layer 902 can be formed.
  • the material supply unit 102 is displaced to the second position with the recording medium manufacturing apparatus 101 in a state where the formation of the ink receiving layer 902 is stopped.
  • FIG. 23 first, when the material supply unit 102 is moved along the guide portion 63 in the z-axis direction positive side, that is, in the direction of the arrow ⁇ 61 , the material supply unit 102 is finally obtained.
  • the material supply unit 102 is in a detached state in which the material supply unit 102 can be detached from the recording medium manufacturing apparatus 101 at the second position.
  • Various maintenances as described above can be performed on the material supply unit 102 in the detached state. Further, since the material supply unit 102 is in the detached state, for example, the maintenance can be easily performed as compared with the state where the material supply unit 102 is supported by the guide portion 63.
  • the types of maintenance include, for example, maintenance, inspection, cleaning, replenishment of materials (fiber-containing materials), repair, maintenance, replacement, and the like.
  • the material supply unit 102 fails due to, for example, deterioration over time, the material supply unit 102 is replaced or repaired.
  • the fiber-containing material stored in the storage unit 21 of the material supply unit 102 is used up, that is, when it becomes empty, the fiber-containing material is replenished to the storage unit 21 or a new material is supplied. Exchange to the unit 102 is performed.
  • the material supply unit 102 is cleaned, maintained, inspected, or the like.
  • the filling amount of the fiber-containing material in the storage unit 21 is adjusted so that the period until the storage unit 21 becomes empty is almost the same as the life of the carrier 124.
  • the material supply unit 102 can be formed when at least one of a state in which the storage unit 21 is empty and a state in which the carrier 124 reaches the end of its life is reached. It can be exchanged for a new material supply unit 102 without waste.
  • the material supply unit 102 can be replaced with a new material supply unit 102 in a detached state. Thereby, replacement
  • the material supply unit 102 can be replaced in the detached state, and can also be cleaned, repaired, maintained, inspected, and replenished in the detached state. Thereby, cleaning, repair, maintenance, inspection, and material replenishment can be performed easily and quickly.
  • the material supply unit 102 can be returned to the first position by moving the material supply unit 102 in the opposite direction. As a result, the material supply unit 102 returns to the first position, is positioned by the restricting portion 64, and the recording medium manufacturing apparatus 101 can be used continuously.
  • the ink receiving layer forming portion 113 is preferably provided with a lock portion (not shown) for fixing the material supply unit 102 in the first position.
  • a lock portion (not shown) for fixing the material supply unit 102 in the first position.
  • the carrier 124 is composed of a roller.
  • the material supply unit 102 is provided with a plurality of types having different roller widths, that is, the length of the carrier 124 in the y-axis direction, and selected from a plurality of types in the detached state. It is exchangeable. Accordingly, ink receiving layers 902 having different widths can be formed on the base material 901 in accordance with the selected material supply unit 102.
  • the recording medium manufacturing apparatus 101 includes the transport unit that transports the fiber-containing material (ink receiving layer 902) electrostatically transferred to the base material 901 (transfer target).
  • the direction in which the material supply unit 102 is displaced between the first position and the second position, i.e., the arrow alpha 61 direction, the substrate 901 by the conveyance unit 116 (fiber-containing material ) In the direction intersecting the conveyance direction (x-axis direction), in particular, the direction perpendicular to the z-direction.
  • an arrow alpha 61 direction while preventing interference with peripheral material supply unit 102, the displacement direction of the material supply unit 102 at the time of maintenance This is preferable because it may be suitable.
  • ⁇ Tenth Embodiment> 24 and 25 are vertical cross-sectional side views sequentially showing the process of manufacturing a recording medium by the recording medium manufacturing apparatus (tenth embodiment) of the present invention. 26 to 28 are vertical sectional views showing examples of the recording medium manufactured by the recording medium manufacturing apparatus (tenth embodiment) of the present invention. 24 and 25, for convenience of illustration, the ink receiving layer 902 is displayed as one ink receiving layer 902 regardless of whether it is a single layer or a multi-layer laminate.
  • a plurality (four in this embodiment) of ink receiving layer forming portions 113 and ink receiving layer solidifying portions 15 are arranged toward the positive side in the x-axis direction.
  • These four ink receiving layer forming portions 113 are arranged in order from the upstream side, “ink receiving layer forming portion 113A” (see FIG. 24), “ink receiving layer forming portion 113B” (see FIG. 24), “ink receiving layer forming portion”. 113C ”(see FIG. 25) and“ ink receiving layer forming portion 113D ”(see FIG. 25).
  • the four ink receiving layer solidifying sections 15 are arranged in order from the upstream side: “ink receiving layer solidifying section 15A” (see FIG.
  • the ink receiving layer solidifying portion 15A is disposed between the ink receiving layer forming portion 113A and the ink receiving layer forming portion 113B, and the ink receiving layer solidifying portion 15B is the ink receiving layer forming portion 113B and the ink receiving layer forming portion.
  • the ink receiving layer solidified portion 15C is disposed between the ink receiving layer forming portion 113C and the ink receiving layer forming portion 113D, and the ink receiving layer solidifying portion 15D is disposed in the ink receiving layer forming portion 113D. Is arranged on the downstream side, that is, on the positive side in the x-axis direction.
  • the recording medium manufacturing apparatus 101 has four ink receiving layer forming portions 113, that is, four (plural) material supply units 102 and transfer portions 134 are arranged, and ink receiving It has the structure which has the four layer solidification parts 15.
  • FIG. The recording medium manufacturing apparatus 101 having such a configuration can manufacture a recording medium 91 in which a plurality of ink receiving layers 902 are stacked, such as the recording medium 91 shown in FIG. A recording medium 91 shown in FIG. 26 is obtained by laminating four ink receiving layers 902. Further, the thickness of each ink receiving layer 902 is the same.
  • the ink receiving layer forming unit 113 ⁇ / b> A forms the first ink receiving layer 902 on the substrate 901.
  • the ink receiving layer solidifying portion 15A solidifies the first ink receiving layer 902.
  • the ink receiving layer forming unit 113B forms the second ink receiving layer 902 on the solidified first ink receiving layer 902.
  • the ink receiving layer solidifying portion 15B solidifies the second ink receiving layer 902.
  • the ink receiving layer forming unit 113C forms the third ink receiving layer 902 on the solidified second ink receiving layer 902.
  • the ink receiving layer solidifying portion 15C solidifies the third ink receiving layer 902.
  • the ink receiving layer forming unit 113D forms the fourth ink receiving layer 902 on the solidified third ink receiving layer 902.
  • the ink receiving layer solidifying portion 15D solidifies the fourth ink receiving layer 902.
  • a plurality of ink receiving layers 902 can be sequentially stacked. Further, each time the ink receiving layer 902 is formed, for example, the above-described streak unevenness may occur. However, as the plurality of ink receiving layers 902 are stacked, the stripe unevenness becomes random, and as a result, the fourth ink receiving layer 902 is in a state in which the stripe unevenness is eliminated. As a result, the manufactured recording medium 91 can stably receive ink.
  • the recording medium manufacturing apparatus 101 has a configuration in which the surface texture processing unit 14 is omitted in the illustrated configuration, but may have a configuration having the surface texture processing unit 14.
  • the formation conditions for forming the first ink receiving layer 902, the formation conditions for forming the second ink receiving layer 902, and the third ink receiving layer 902 are formed.
  • the operating conditions of the ink receiving layer forming unit 113 and the ink receiving layer solidifying unit 15 can be adjusted so that the forming conditions are different from the forming conditions for forming the fourth ink receiving layer 902. Thereby, various recording media 91 having different characteristics (properties) can be manufactured easily and quickly.
  • the adjustment of the operating conditions of the ink receiving layer forming unit 113 and the ink receiving layer solidifying unit 15 is controlled by the control unit 11.
  • the electrostatic force when forming the first ink receiving layer 902 in the ink receiving layer forming portion 113A, and the electrostatic force when forming the second ink receiving layer 902 in the ink receiving layer forming portion 113B is different from the electrostatic force when the fourth ink receiving layer 902 is formed by the ink receiving layer forming portion 113D.
  • the potential at the transfer section 134 of each ink receiving layer forming section 113 can be adjusted.
  • the potential relationship is “(potential when the first ink receiving layer 902 is formed) ⁇ (potential when the second ink receiving layer 902 is formed) ⁇ (potential when the third ink receiving layer 902 is formed). ) ⁇ (Potential when the fourth ink receiving layer 902 is formed) ”.
  • the ink receiving layer 902 is laminated, the total thickness of the ink receiving layer 902 on the substrate 901 increases. For this reason, the transfer efficiency at the time of forming each ink receiving layer 902 can be improved by the magnitude relation of the potential.
  • the first ink receiving layer 902 is heated by the ink receiving layer solidifying unit 15A, and the second ink receiving layer 902 is heated by the ink receiving layer solidifying unit 15B, and the third layer.
  • the ink receiving layer 902 is heated by the ink receiving layer solidifying portion 15C, and the fourth ink receiving layer 902 is heated by the ink receiving layer solidifying portion 15D.
  • the temperature of the heater 152 of each ink receiving layer solidifying unit 15 can be adjusted so that the heating temperature for heating the ink receiving layer 902 of the eye is different.
  • the relationship between the heating temperatures is “(heating temperature when solidifying the first ink receiving layer 902) ⁇ (heating temperature when solidifying the second ink receiving layer 902) ⁇ (solidifying the third ink receiving layer 902). It is preferable that “heating temperature at the time” ⁇ (heating temperature at the time of solidifying the fourth ink receiving layer 902) ”.
  • the ink receiving layer 902 As the ink receiving layer 902 is laminated, the total thickness of the ink receiving layer 902 on the substrate 901 increases. For this reason, the upper ink receiving layer 902 can improve the melting of the resin depending on the magnitude of the heating temperature, and the subsequent solidification can be performed without excess or deficiency.
  • the first ink receiving layer 902 is pressurized by the ink receiving layer solidifying unit 15A, and the second ink receiving layer 902 is pressed by the ink receiving layer solidifying unit 15B, and the third layer.
  • the ink receiving layer 902 is pressed by the ink receiving layer solidifying portion 15C, and the fourth ink receiving layer 902 is pressed by the ink receiving layer solidifying portion 15D.
  • the pressure applied to the ink receiving layer solidifying portion 15 can be adjusted so that the pressure applied to the ink receiving layer 902 of the eye is different.
  • the relationship between the pressures is as follows: “(pressure applied when the first ink receiving layer 902 is solidified) ⁇ (pressure applied when the second ink receiving layer 902 is solidified) ⁇ (solidification of the third ink receiving layer 902) It is preferable that “pressure applied at the time” ⁇ (pressure applied when the fourth ink receiving layer 902 is solidified) ”.
  • the ink receiving layer 902 As the ink receiving layer 902 is laminated, the total thickness of the ink receiving layer 902 on the substrate 901 increases. For this reason, the compression of the upper ink receiving layer 902 can be improved by the magnitude relationship of the applied pressure. As a result, the upper layer becomes thinner and can easily transfer the heat from the heater 152, so that the melting of the resin can be further improved.
  • the thickness of the first ink receiving layer 902, the thickness of the second ink receiving layer 902, the thickness of the third ink receiving layer 902, and the thickness of the fourth ink receiving layer 902 are as follows. Different recording media 91 can also be manufactured. The thickness relationship is as follows: “(thickness of first ink receiving layer 902)> (thickness of second ink receiving layer 902)> (thickness of third ink receiving layer 902)> It is preferable that “the thickness of the fourth ink receiving layer 902”. Accordingly, the first ink receiving layer 902 having the maximum thickness can function as an ink stop layer that prevents ink from reaching the base material 901, for example. Therefore, the recording medium 91 can prevent ink bleeding on the back surface.
  • each ink receiving layer forming portion 113 can be adjusted so that the transfer amount of the fiber-containing material when forming the layer 902 is different.
  • the material supply unit 102 of each ink receiving layer forming unit 113 may be, for example, the following plural types (for example, six types) as appropriate.
  • the ratio of cellulose fiber to resin in the fiber-containing material is expressed by weight ratio.
  • a 9: 1 fiber-containing material is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the second type of material supply unit 102 (hereinafter, the ink receiving layer forming portion 113 having the material supply unit 102 is referred to as “type B”) has a weight ratio of cellulose fiber to resin in the fiber-containing material. 8: 2 fiber-containing material is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the ink receiving layer forming portion 113 having the material supply unit 102 is referred to as “type C”
  • the ratio of cellulose fiber to resin in the fiber-containing material is expressed by weight ratio.
  • a 2: 8 fiber-containing material is stored.
  • a fourth type of material supply unit 102 (hereinafter, the ink receiving layer forming portion 113 having the material supply unit 102 is referred to as “type D”) is used as a coloring material for polyester powder having an average particle diameter of 12 ⁇ m.
  • a material in which pigment is dispersed is stored. Examples of the color of the pigment include yellow (Y), magenta (M), cyan (C), and black (K), and are appropriately selected from these.
  • a fifth type of material supply unit 102 (hereinafter, the ink receiving layer forming portion 113 having the material supply unit 102 is referred to as “type E”) has a weight ratio of cellulose fiber to resin in the fiber-containing material. 9: 1, and a fiber-containing material in which the pigment as a coloring material is dispersed is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the sixth type of material supply unit 102 (hereinafter, the ink receiving layer forming part 113 having the material supply unit 102 is referred to as “type F”) has a weight ratio of cellulose fiber to resin in the fiber-containing material. 8: 2 and a fiber-containing material in which the pigment as a coloring material is dispersed is stored.
  • the resin before coating the cellulose fibers is a polyester powder having an average particle size of 12 ⁇ m.
  • the ink receiving layer forming portion 113A may be type C
  • the ink receiving layer forming portion 113B may be type B
  • the ink receiving layer forming portion 113C may be type A
  • the ink receiving layer forming portion 113D may be type D. it can.
  • first state the recording medium manufacturing apparatus 101 can be operated.
  • Examples of the operation pattern in the first state include the following pattern.
  • Pattern 1 The ink receiving layer 902 is formed for each of type C and type B, and the formation of the ink receiving layer 902 for type A and type D is stopped.
  • Pattern 2 The ink receiving layer 902 is formed for each of type C and type A, and the formation of the ink receiving layer 902 for type B and type D is stopped.
  • Pattern 3 The ink receiving layer 902 is formed for each of type C, type B, and type D, and the formation of the ink receiving layer 902 for type A is stopped.
  • Pattern 4 The ink receiving layer 902 is formed for each of type C, type A, and type D, and the formation of the ink receiving layer 902 for type B is stopped.
  • the ink receiving layer forming portion 113B can be set to type F, and instead of type A, the ink receiving layer forming portion 113C can be set to type E.
  • the recording medium manufacturing apparatus 101 can be operated. Examples of the operation pattern in the second state include the following pattern.
  • Pattern 5 The ink receiving layer 902 is formed for each of type C and type E, and the formation of the ink receiving layer 902 for type A and type D is stopped.
  • Pattern 6 The ink receiving layer 902 is formed for each of type C and type F, and the formation of the ink receiving layer 902 for type B and type D is stopped.
  • a type C first ink receiving layer 902 (hereinafter referred to as “ink receiving layer 902b”) is formed on the substrate 901 (see FIG. 27).
  • a second type B ink receiving layer 902 (hereinafter referred to as “ink receiving layer 902c”) is formed on the ink receiving layer 902b (see FIG. 27).
  • the recording medium 91 manufactured in this way the ink is mainly held by the ink receiving layer 902c, and further permeation of the ink is prevented by the ink receiving layer 902b. As a result, the recording medium 91 is prevented from being blotted with ink on the back surface, that is, back-faced.
  • the recording medium 91 is suitable for printing an image having a relatively high ink dot arrangement density such as a graphic image or a photographic image.
  • an ink receiving layer 902b of type C is formed on the substrate 901 by the operation of the pattern 2 (see FIG. 27).
  • an ink receiving layer 902c of type A is formed on the ink receiving layer 902b.
  • the recording medium 91 manufactured in this way the ink is mainly held by the ink receiving layer 902c, and further ink permeation is prevented by the ink receiving layer 902b. Further, the recording medium 91 is suitable mainly for printing characters.
  • the recording medium 91 obtained by laminating a third type ink receiving layer 902 (hereinafter referred to as “ink receiving layer 902d”) of type D on the recording medium 91 obtained by pattern 1 is obtained. (See FIG. 28).
  • This recording medium 91 has the same function as that of the recording medium 91 obtained by the pattern 1 and is a color recording medium 91 in which the color of the pigment is reflected.
  • the recording medium 91 obtained by laminating the third ink receiving layer 902d of type D on the recording medium 91 obtained by the pattern 2 is obtained.
  • This recording medium 91 has the same function as that of the recording medium 91 obtained in the pattern 2 and is a color recording medium 91 in which the color of the pigment is reflected.
  • the ink receiving layer 902b is formed by type C
  • the ink receiving layer 902c is formed by type E.
  • the recording medium 91 manufactured in this way is a color recording medium 91 that is suitable mainly for printing graphic images and the like, and the ink permeation is prevented by the ink receiving layer 902c.
  • the ink receiving layer 902b is formed by type C
  • the ink receiving layer 902c is formed by type F.
  • the recording medium 91 manufactured in this way is a color recording medium 91 that is suitable mainly for printing characters and prevents ink penetration by the ink receiving layer 902c.
  • the ink receiving layer 902 having different characteristics (properties) can be formed in accordance with the ink receiving layer forming portion 113 that is selected and used when forming the layer as described above. Thereby, various recording media 91 having different characteristics (properties) can be obtained.
  • the recording medium manufacturing apparatus 101 includes four material supply units 102 and four transfer units 134, but the number of the arrangements is not particularly limited.
  • the recording medium 91 having the laminate of the ink receiving layers 902 may be, for example, an intermediate layer made of a material different from the fiber-containing material between the ink receiving layers 902.
  • the function of the intermediate layer is not particularly limited, and examples thereof include a function of improving the adhesion between the ink receiving layers 902.
  • a plurality of ink receiving layer forming sections 113 and ink receiving layer solidifying sections 15 are arranged one by one as in the recording medium manufacturing apparatus 101 of this embodiment.
  • a recording medium manufacturing apparatus 101 according to the seventh embodiment in which the ink receiving layer forming unit 113 and the ink receiving layer solidifying unit 15 are arranged one by one is used. it can.
  • the base material 901 is circulated a plurality of times (by the amount of the ink receiving layer 902 stacked) with respect to the ink receiving layer forming unit 113 and the ink receiving layer solidifying unit 15.
  • a recording medium 91 having a laminate of ink receiving layers 902 can be manufactured.
  • each unit constituting the recording medium manufacturing apparatus may be any unit that can exhibit the same function. It can be replaced with the configuration of Moreover, arbitrary components may be added.
  • the recording medium manufacturing apparatus of the present invention may be a combination of any two or more configurations (features) of the above embodiments.
  • the transport unit that transports the ink receiving layer for example, a configuration having a platen (stage) may be used.
  • CD 131 conveying method
  • CD 16 transport direction, GS 18 ... air, LB 133 ... laser light

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)

Abstract

La présente invention concerne un dispositif de production de support d'enregistrement qui permet la production stable d'un support d'enregistrement qui est, par exemple, d'épaisseur uniforme. Ce dispositif de production de support d'enregistrement est caractérisé en ce qu'il comporte : au moins une partie d'alimentation en matériau qui comprend une section de stockage destinée à stocker un matériau incorporé à des fibres contenant des fibres de cellulose et une résine ; au moins un porteur pour porter le matériau incorporé à des fibres acheminé à partir de la partie d'alimentation en matériau ; un corps de transfert-réception sur lequel le matériau incorporé à des fibres qui est porté par le porteur est transféré de manière électrostatique ; et une partie de post-traitement qui effectue un post-traitement sur le matériau incorporé à des fibres qui a été transféré de manière électrostatique vers le corps de transfert-réception.
PCT/JP2017/044945 2016-12-15 2017-12-14 Dispositif de production de support d'enregistrement WO2018110656A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/469,208 US20200102703A1 (en) 2016-12-15 2017-12-14 Recording medium manufacturing apparatus

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JP2016-243024 2016-12-15
JP2016243024A JP6844239B2 (ja) 2016-12-15 2016-12-15 記録媒体製造装置
JP2016-243023 2016-12-15
JP2016243023 2016-12-15
JP2017-226532 2017-11-27
JP2017226532A JP2018096022A (ja) 2016-12-15 2017-11-27 記録媒体製造装置

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Citations (7)

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JPH08112974A (ja) * 1994-08-24 1996-05-07 Bando Chem Ind Ltd 熱転写受像紙の製造方法
JPH09164760A (ja) * 1995-12-18 1997-06-24 Daicel Chem Ind Ltd 記録用シート
JPH1016382A (ja) * 1996-04-30 1998-01-20 Canon Inc インクジェット記録用転写媒体、これを用いた転写方法及び被転写布帛
JPH10329246A (ja) * 1997-05-30 1998-12-15 Pioneer Electron Corp 受像紙製造装置とその製造方法及び受像紙並びに受像層を形成する粉体塗料組成体
JP2003275664A (ja) * 2002-03-26 2003-09-30 Konica Corp 塗布方法、塗布製造物およびインクジェット記録媒体
WO2011001706A1 (fr) * 2009-06-29 2011-01-06 日本製紙株式会社 Papier pour enregistrement d'informations et papier traité
WO2017145821A1 (fr) * 2016-02-26 2017-08-31 セイコーエプソン株式会社 Support d'impression

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Publication number Priority date Publication date Assignee Title
JPH08112974A (ja) * 1994-08-24 1996-05-07 Bando Chem Ind Ltd 熱転写受像紙の製造方法
JPH09164760A (ja) * 1995-12-18 1997-06-24 Daicel Chem Ind Ltd 記録用シート
JPH1016382A (ja) * 1996-04-30 1998-01-20 Canon Inc インクジェット記録用転写媒体、これを用いた転写方法及び被転写布帛
JPH10329246A (ja) * 1997-05-30 1998-12-15 Pioneer Electron Corp 受像紙製造装置とその製造方法及び受像紙並びに受像層を形成する粉体塗料組成体
JP2003275664A (ja) * 2002-03-26 2003-09-30 Konica Corp 塗布方法、塗布製造物およびインクジェット記録媒体
WO2011001706A1 (fr) * 2009-06-29 2011-01-06 日本製紙株式会社 Papier pour enregistrement d'informations et papier traité
WO2017145821A1 (fr) * 2016-02-26 2017-08-31 セイコーエプソン株式会社 Support d'impression

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WEISS, HERBERT L., HAMADA, HISAMITSU. COATING & LAMINATING MACHINES. 7. ROLLER COATERS, 29 February 1996 (1996-02-29), pages 141 - 150 *

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