Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
  • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
  • B41M5/52—Macromolecular coatings
  • B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
• • 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
  • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
  • B41M5/506—Intermediate layers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
  • B41M2205/38—Intermediate layers; Layers between substrate and imaging layer
• • 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
  • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
  • B41M5/508—Supports
• • 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
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
  • Y10T428/254—Polymeric or resinous material
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31971—Of carbohydrate
  • Y10T428/31993—Of paper

Definitions

• the invention relates to a carrier for Recording materials for inkjet printing processes (Ink jet printing process).
• the ink jet recording process is one of the electronic printing process and is already multiple have been described. It will be in a wide Field of application for the production of color graphics, Color images and also text prints used. To the at recording materials used in this technology high demands are made. This includes for example high color density, high resolution, short Ink drying times, light stability as well Dimensional stability. Another important requirement for commercial applications, the surface gloss This is particularly true in the manufacture of Art graphics important. But also in the generation of Images that require a photo-like impression gloss is an important requirement.
• EP0 650 850 A is a recording material known that from a polyolefin coated Base paper and a receiving layer.
• the Recording material enables the production of High resolution images, color density and high Gloss that overall with conventional photographic images are comparable.
• the polyethylene coated carrier is the bad one Absorption of the ink liquid due to the Sealing the paper with a plastic, which for poor drying behavior of the recording material leads.
• EP 0 709 221 A describes a recording material suggested that a paper substrate with a certain Sheffield smoothness and a sheen of more than 20, measured at 60 ° measuring angle, and one Ink-receiving layer with water-soluble components contains, the entire recording material Has a gloss of more than 50, measured at 60 ° Measuring angle.
• glossy ones Claimed recording materials in which the Receiving layer in a cast coating process against a heated mirror smooth Cylinder surface is pressed, which the Recording material has a high-gloss surface receives.
• the object of the invention is to provide a carrier for a any kind of ink-receiving layers To create ink jet recording material on the particularly glossy and photo-like images with usual Inkjet inks can be generated. Furthermore the object of the invention is a recording material for ink jet printing to propose that with the help of the above-mentioned carrier can be generated.
• a carrier for one Ink jet recording material which is a base paper contains, which on at least one side Contains layer containing barium sulfate and microspheres.
• Hollow polymeric microspheres are particularly suitable made of a thermoplastic plastic Polystyrene / acrylate base and styrene or acrylic resin base.
• the microspheres have a diameter of at least 0.4 ⁇ m.
• Microspheres with a diameter of 0.2 to 5 ⁇ m.
• the microsphere content in the barium sulfate layer can be 1 to 70% by weight, based on the layer. Particularly good results were obtained with a content of 20 up to 50% by weight of microspheres reached.
• the binder used in the above layer can be from the group of hydrophilic colloidal and / or water-soluble binders can be selected as Polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylamide, Gelatin, starch, starch derivatives, polyvinyl acetate, Polyethylene glycol, cellulose esters, proteins, alginates, Polyacrylic acid or mixtures of these binders.
• the application weight of the layer is 10 to 50 g / m 2 , in particular 15 to 25 g / m 2 .
• the base paper has a base paper core, for the production of which cellulose or cellulose mixtures with a short fiber content of 80 to 98% by weight, in particular 85 to 95% by weight, are preferably used (unground cellulose).
• Hardwood-pulp mixtures are particularly suitable with a fiber length of 0.50 to 0.60 mm (unground Pulp) or 0.40 to 0.50 mm (with a grinding degree between 25 and 35 ° SR).
• the invention The pulp mixture in particular has a freeness of 28 to 32 ° SR (measured according to Schopper-Riegler).
• the base paper can contain other substances such as sizing agents and Contain fillers.
• sizing agents can basically all for paper production usual connections are used.
• the base paper contains kaolin and calcium carbonate in a ratio of 2: 1 to 1: 2 and has a Cobb value of 20 to 100.
• the base paper can also be surface-sized with starch, gelatin or polyvinyl alcohol.
• the basis weight of the base paper is 60 to 220 g / m 2 , but in particular 80 to 160 g / m 2 .
• the carrier according to the invention can have further functional layers on at least one side, for example adhesive, antistatic or contain non-curl "layers.
• the carrier according to the invention is then subjected to a satinizing process in a known manner.
• Any ink-receiving layer for ink-jet printing processes can be applied to the front of the carrier.
• the ink receiving layer is usually a hydrophilic layer which is suitable for the reception of the mostly aqueous inks.
• An ink-receiving layer generally contains a hydrophilic or water-soluble binder, cationic dye-fixing compounds, pigments and optionally other auxiliaries.
• the application weight of the ink receiving layer is 5 to 20 g / m 2 .
• the present invention is based on the following Examples are explained in more detail.
• the front of the base papers produced according to Examples 4 and 5 was coated with an aqueous barite-containing coating material, dried and the coated paper was then satinized.
• the layers obtained have the following composition: Examples 4.1 4.2 5.1 5.2 Barium sulfate 50.00 25.00 65.00 15.00 Microspheres 20.00 50.00 10.00 60.00 gelatin 29.70 - 24.73 - Polyvinyl alcohol - 24.93 24.93 Chrome alum 0.23 - 0.20 - Citric acid 0.07 0.07 0.07 0.07 Application weight, g / m 2 15 25th 15 35
• the following substances according to Table 5 were then added to the pulp suspension and raw papers of about 150 g / m 2 were made in a known manner from the suspensions diluted to about 1.2% by weight.
• the manufactured according to the comparative examples V1 to V3 Base papers were coated on the front with a barite coating coated, dried and that coated paper then satined.
• the barite layer consists of 74% by weight barium sulfate and 26% by weight Gelatin.
• a blend of 70% by weight hardwood sulfate pulp and 30% by weight softwood sulfate pulp was at a consistency of 4.5% to a Milling degree of 37 ° SR ground.
• the pulp suspension then became the following
• the coated papers according to the invention were coated with an ink-receiving layer.
• Any receiving layer can be used for ink jet printing processes.
• the ink-receiving layer used for the test purposes in the present case has the following composition: % By weight Polyvinyl alcohol 31.6 Polyvinyl pyrrolidone 31.6 Vinyl acetate / butyl acrylate cop. 31.6 Polydiallyldimethylammonium chloride 5.2
• the application weight of the ink-receiving layer was 10 g / m 2 .
• the papers according to the invention provided with the ink-receiving layer were removed using a so-called Thermal Jet "process printed and then analyzed. The test results are summarized in Table 6.
• the gloss values were measured in the laboratory Reflectometer RL3 from Dr. Long according to DIN 67530 a measuring angle of 60 °.
• the drying behavior of the recording material was determined as follows:
• Black ink Pure Black
• a bar is printed and after a waiting period of Load 2 minutes of paper (20 sheets).
• the color transfer on the paper lying on it is used as a measure of drying taken.
• the drying time is for the areas ⁇ 2 (very good), 2-7 (medium) and> 7 minutes (bad) judged.
• the ink punch behavior is determined by the intensity the discoloration caused by the leakage of the Ink color on the back of the paper is due. Here grades 1 to 12 (very good to very bad) forgive.
• Test results shine Drying time min Dimensional stability Penetration 1.1 57 6.5 2nd 2nd 1.2 62 7.0 2nd 2nd 1.3 67 7.5 2nd 3rd 1.4 65 5.3 2nd 3rd 2.1 53 7.5 1 1 2.2 66 6.0 1 2nd 2.3 43 7.8 1 1 3.1 50 6.9 1 1 3.2 65 6.3 1 2nd V1 45 8.0 6 4th V2 42 8.7 7 5 V3 44 9.0 7 5
• the base papers according to the invention compared to the Comparative papers above all have a significantly higher gloss as well as better dimensional stability.

Landscapes

• Chemical & Material Sciences (AREA)
• Inorganic Chemistry (AREA)
• Ink Jet Recording Methods And Recording Media Thereof (AREA)
• Paper (AREA)
• Ink Jet (AREA)
• Inks, Pencil-Leads, Or Crayons (AREA)
• Pens And Brushes (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=7872121

Family Applications (1)

Country Status (8)

Cited By (2)

Families Citing this family (4)

Family Cites Families (6)

• 1998
  • 1998-06-26 DE DE19828532A patent/DE19828532C2/de not_active Expired - Fee Related
• 1999
  • 1999-06-09 ES ES99111205T patent/ES2205639T3/es not_active Expired - Lifetime
  • 1999-06-09 DE DE59906640T patent/DE59906640D1/de not_active Expired - Lifetime
  • 1999-06-09 DK DK99111205T patent/DK0967087T3/da active
  • 1999-06-09 EP EP99111205A patent/EP0967087B1/fr not_active Expired - Lifetime
  • 1999-06-09 AT AT99111205T patent/ATE247562T1/de not_active IP Right Cessation
  • 1999-06-09 PT PT99111205T patent/PT967087E/pt unknown
  • 1999-06-24 US US09/344,147 patent/US6524696B1/en not_active Expired - Fee Related
  • 1999-06-28 JP JP18147999A patent/JP4271781B2/ja not_active Expired - Fee Related

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