EP1126081A2 - Schichtträger für Aufzeichnungsschichten - Google Patents
Schichtträger für Aufzeichnungsschichten Download PDFInfo
- Publication number
- EP1126081A2 EP1126081A2 EP01103793A EP01103793A EP1126081A2 EP 1126081 A2 EP1126081 A2 EP 1126081A2 EP 01103793 A EP01103793 A EP 01103793A EP 01103793 A EP01103793 A EP 01103793A EP 1126081 A2 EP1126081 A2 EP 1126081A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pigment
- layer
- weight
- base paper
- support according
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/775—Photosensitive materials characterised by the base or auxiliary layers the base being of paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
-
- 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
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- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
-
- 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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/41—Base layers supports or substrates
-
- 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
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/822—Paper comprising more than one coating superposed two superposed coatings, both being pigmented
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/826—Paper comprising more than one coating superposed two superposed coatings, the first applied being pigmented and the second applied being non-pigmented
-
- 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
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
-
- 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
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
-
- 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
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
- Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- 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]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/3188—Next to cellulosic
- Y10T428/31895—Paper or wood
- Y10T428/31899—Addition polymer of hydrocarbon[s] only
- Y10T428/31902—Monoethylenically unsaturated
Definitions
- the invention relates to a layer support for Recording materials, a method for the same Production and its use as a photographic Support and as a support for an ink jet recording material and a thermal Recording material.
- Polyolefin coated photographic substrates usually consist of a glued base paper, the with polyolefin on both sides, usually by extrusion is coated.
- the extrusion coating of paper creates the polymer surface depending on the Coating speed of crater-shaped disturbances, so-called pits.
- pits At high rotation speeds of the cooling cylinder can be in fine recesses the surface of the cooling cylinder enclosed Do not air bubbles before contact with the hot resin escape so that the trapped air only after the Coating the paper to form crater-shaped Wells on the polymer surface escape.
- This Surface defects have a negative impact on those of one Backing material required and for the image quality decisive surface properties such as gloss and Smooth out.
- An improvement in the surface can be done by Increase in the amount of resin applied this measure is not sufficient for high extrusion speeds and also causes high material costs.
- EP 0 285 146 A2 proposes to suppress the Occurrence of pits before, a gas that is lighter than air and can escape through the extruded film to apply the cooling cylinder surface to the To displace air bubbles.
- a gas that is lighter than air and can escape through the extruded film to apply the cooling cylinder surface to the To displace air bubbles.
- it is disadvantageous the high technical effort.
- US 4,994,357 proposes the pressure with which the polyethylene coated paper on the cooling cylinder is pressed to suppress the occurrence of pits to increase. Because of the high contact pressure is only a low production speed possible because at higher speeds the polyethylene from the paper can replace.
- EP 0 952 483 A1 describes a photographic support (base paper), the polyethylene surface of which is of high quality and which is not impaired even by production at high extrusion speeds.
- EP 0 952 483 A1 proposes to provide the base paper with a layer containing clay, the amount of the clay not exceeding 3.3 g / m 2 .
- a disadvantage of this carrier material is the insufficient adhesion between the pigment-containing layer and the polyethylene layer extruded thereon.
- a uniform surface of the carrier material is not only for photographic recording materials from Importance. To get a photo-like look become more non-photographic in the production Recording materials, for example ink-jet papers, papers coated with polyolefin. A uneven or flawed surface of the Backing material is made up of glossy spots on the recorded image is noticeable and is therefore also at these recording materials undesirable.
- the object of the invention is also to solve problems in the To suppress adhesion of the resin layer on the base paper and a carrier material with high whiteness and To provide rigidity.
- At least one one side coated with synthetic resin containing one with at least one on the front Base paper provided with pigment layer, the Pigment layer at least 5 wt.%, Based on the Weight of the total pigment in the pigment layer, one Contains pigments with a narrow grain size distribution, at least 70% by weight of these pigment particles Have a size of less than 1 ⁇ m and at least 40 % By weight of these particles has a particle size of 0.35 to 0.8 ⁇ m exhibit.
- Preferably 50 to 80% by weight of the particles are present a grain size of less than 1 ⁇ m 0.35 to 0.8 ⁇ m.
- the percentage of pigment with the narrow distribution can be 10 to 90% by weight, especially preferably 30 to 80% by weight of the total pigment of the Pigment layer.
- pigments with a narrow grain size distribution understood at least about 70% by weight of the pigment particles are smaller than has about 1 micron and at 40 to 80 wt.% This Pigment particles the difference between the pigment with the largest grain size (diameter) and the pigment of the smallest grain size is less than about 0.4 ⁇ m.
- the layer supports according to the invention differ from the layer supports of EP 0 952 483 A1 by the use of a pigment with a specific particle size distribution or by the use of a selected surface-modified calcium carbonate.
- the layer support according to the invention is not subject to the limitation with respect to an upper limit of 3.3 g / m 2 of the clay contained in the pigment layer.
- the pigment selection according to the invention achieves a number of surprising advantages.
- the extrusion coating was able to increase without Liability problems or increasing the level of pits too at high speeds of up to 600 m / min 200 to 250 are currently common m / min. At the same time there was a saving in polyolefin achieved from 15 to 30%.
- the pigment can be selected from the groups of metal oxides, silicates, carbonates, sulfides and sulfates.
- Kaolins, talc, calcium carbonate and / or barium sulfate are particularly suitable. Calcium carbonate with ad 50% value of approximately 0.7 ⁇ m, for example, has proven to be particularly advantageous.
- a pigment mixture of calcium carbonate and kaolin (clay) is used.
- the mass ratio of calcium carbonate / kaolin is preferably 30:70 to 70:30. Surprisingly, it was found that, despite the high proportion of the kaolin which tends to yellowing, only an insignificant negative effect on the whiteness of the support was observed.
- the mass ratio pigment / binder in the Pigment layer is 30:70 to 90:10, in particular 85:15.
- the pigment-containing layer between the base paper and resin can be applied to the base paper as a single layer or in multiple layers.
- the coating composition can be applied with all customary application units, the amount being chosen so that after drying the application weight per layer is at most 20 g / m 2 , in particular 8 to 17 g / m 2 .
- the base paper is provided with an additional pigment-containing preliminary layer before it is coated with the pigment layer according to the invention.
- All common white pigments such as precipitated calcium carbonate, titanium dioxide, kaolin, talc or barium sulfate with a particle size of 0.1 to 10 ⁇ m, in particular 0.1 to 2 ⁇ m, are suitable as the pigment.
- the application weight of the preliminary layer must not exceed about 20 g / m 2 .
- the pigment layer according to the invention is preferably applied only after the preliminary layer has dried.
- the base paper can Pigments and fillers such as kaolin, calcium carbonate or Titanium dioxide and other auxiliary substances such as defoamers, optical brighteners and dyes included.
- the base paper can be produced on a Fourdrinier or cylinder paper machine.
- the basis weight of the base paper can be 50 to 250 g / m 2 , in particular 80 to 170 g / m 2 .
- a less high-quality paper can also be used to produce the layer support according to the invention, for example recycled cellulose fibers were used to produce it.
- the base paper can be used in uncompressed or compacted form (smoothed). Uncompressed base papers with a density of less than 0.9 g / cm 3 are particularly suitable in terms of saving material costs
- the surface of the pigment layer according to the invention is coated with a synthetic resin, for example polyolefin such as polyethylene, polypropylene or polybutene, and with copolymers of two or more olefins by extrusion.
- a synthetic resin for example polyolefin such as polyethylene, polypropylene or polybutene, and with copolymers of two or more olefins by extrusion.
- Low-density polyethylene types (LDPE), high-density polyethylene types (HDPE), ethylene / ⁇ -olefin copolymers (LLDPE) and mixtures thereof are particularly suitable.
- the polymer layer can contain white pigments such as titanium dioxide and further auxiliaries such as optical brighteners, dyes or dispersing agents.
- the application weight of the polymer layer is 5 to 30 g / m 2 , in particular 10 to 25 g / m 2 . It was found that a comparable level of pits is achieved even with a reduction
- the back of the carrier material can also further functional layers such as antistatic or anticurl layers exhibit.
- the layer support according to the invention can be used as a support for photographic emulsions, ink jet recording layers and for recording layers for so-called thermal Dye transfer process (D2T2) can be used.
- D2T2 thermal Dye transfer process
- a photographic standard base paper with a basis weight of 162 g / m 2 was used , which was made from a pulp suspension containing 100% by weight of hardwood sulfate pulp as well as 0.5% by weight of alkyl ketene dimer and 0.7% by weight of polyamide-polyamine-epichlorohydrin resin and was surface-sized with oxidized starch.
- the base paper was used in an uncompressed form, ie not smoothed, and had a density of 0.84 g / cm 3 .
- Example 2 The base paper used in Example 1 was coated in-line using a film press with the coating according to Example 1 and dried. The application weight was 10 g / m 2 .
- the compositions of the pigment layers produced are shown in Table 2.
- component 11 12th 13 14 15 16 17th 18th CaCO 3 (d 50% 0.7 ⁇ m) 30th 70 100 - - 30th 50 - Modified CaCO 3 - - - - - - - 30th Kaolin 1 70 30th 100 - - - 70 Kaolin 2 - - - - 70 - talc - - - - - 100 - 50 - Styrene / butadiene latex 8th 8th 8th 8th 8th 8th 8th 8th 8th 8th Strength 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 Calcium stearate 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 Application weight [g / m 2 ] 10 10
- Example 1 The base paper used in Example 1 was first coated "in-line" with the aid of a film press with a coating solution containing 30% by weight of a conventional calcium carbonate. The application weight was 12 g / m 2 . After drying, a pigment layer according to Example 1 (Tab. 1) was applied in the next step with an application weight of 10 g / m 2 .
- the base papers coated according to Examples 1 to 19 were coated with a mixture of 72% by weight of a low-density polyethylene (LDPE, 0.923 g / cm 3 ), 15% by weight of a titanium dioxide masterbatch (50% by weight LDPE and 50% by weight). % TiO 2 ) and 13% by weight of further additives such as optical brighteners, calcium stearate and blue pigment with different application weights (28 g / m 2 , 23 g / m 2 , 18 g / m 2 and 13 g / m 2 ). The coating was carried out at extrusion speeds of 250 m / min and 350 m / min.
- LDPE low-density polyethylene
- titanium dioxide masterbatch 50% by weight
- % TiO 2 % TiO 2
- further additives such as optical brighteners, calcium stearate and blue pigment with different application weights (28 g / m 2 , 23 g / m 2 , 18 g
- the CaCO 3 coated paper of Example 4 was coated with an ink receiving layer of the following composition: Al 2 O 3 (average particle size 1.2 ⁇ m) 25% by weight Silica (average particle size 6.5 ⁇ m) 40% by weight Polyvinyl alcohol (fully saponified) 21% by weight quaternary polyammonium salt 14% by weight
- the coating weight of the recording layer was 20 g / m 2 .
- This recording material was tested for its Cockle index. The results are shown below.
- the surface-sized base paper from Examples 1 to 10 was on the front with a polyethylene blend according to Examples 1 to 19 at one Extrusion speeds of 200 m / min and 250 m / min coated.
- a base paper according to Example 1 of EP 0 952 483 A1 with a mass sizing with starch was coated with a solution of clay and polyacrylic acid.
- the amount of clay in the layer was 1.9 g / m 2 .
- the pigment-containing layer was then coated with a mixture of TiO2 and LDPE at an application weight of 29 g / m 2 and an extrusion speed of 300 m / min.
- the back of the base paper was coated with a clear polyethylene.
- the base paper from example 4 without pigment coating was used.
- the ink-receiving layer of Example 20 was applied to the base paper at a coating weight of 20 g / m 2 .
- the surface of the polyolefin coated paper becomes magnified with a microscope and with a CCD camera scanned.
- Using an image processing program created a profile of the pit level from 30 measuring points. The results are shown in Table 3.
- the inventive Samples have a smaller number of pits than the sample of comparative example V1.
- the pits level of the examples 1 to 10 is comparable to that of V2.
- the pits level the samples of Examples 11 to 19 only fall slightly compared to that of Examples 1 to 10.
- the roughness was on papers before Extrusion coating with a UBM measuring device according to DIN 4768 with a cut-off setting of 0.8 mm carried out.
- the samples according to the invention clearly show better roughness values than the samples from V1 and V2, whereby the sample of V1 drops significantly compared to the Sample of V2.
- the L, a, b values were determined using the Elrepho 2000 colorimeter in single sheet measurements (D65, 10 °, UVI) carried out.
- the measurements were made right after the extrusion coating with a tensile strength tester from the company Lorentzen & Wettre on paper samples with a width of 10 mm with a trigger angle of 180 ° and one Peeling speed of 50 mm / min carried out.
- the Measured values are given in N / 15mm and in Table 3 compiled.
- the samples according to the invention clearly show one improved adhesion of the resin to the pigment layer both compared to the sample of V1 and V2.
- the stiffness values were compared with the Flexural strength tester from Lorentzen & Wettre according to the standard SCAN-P 29.69 determined. The values are given in mN and reflect the longitudinal stiffness.
- the cockle behavior of the samples was carried out visually according to a process developed at the Technical University of Darmstadt.
- the paper to be tested was placed on a flat surface and illuminated under obliquely incident light.
- a cockle index of less than 10 means no cockle
- 10 to 16 means low to moderate cockle
- 16 to 20 means strong cockle
- more than 20 means very strong cockle.
- the sample according to the invention shows an excellent Cockle index (10.7) compared to the comparative examples V3 (24.3) and 4 (20.7).
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Paper (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Ink Jet (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
Komponente | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
CaCO3 (d50%=0,7µm) | 30 | 30 | 30 | 100 | - | - | 30 | 50 | - | 70 |
Modifiziertes CaCO3 | - | - | - | - | - | - | - | - | 30 | - |
Kaolin 1 | 70 | 70 | 70 | 100 | - | - | - | 70 | 30 | |
Kaolin 2 | - | - | - | - | - | - | 70 | - | - | - |
Talkum | - | - | - | - | - | 100 | - | 50 | - | - |
Styrol/Butadien-Latex | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Stärke | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Calciumstearat | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 |
Auftragsgewicht g/m2 | 5 | 11 | 17 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Komponente | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
CaCO3 (d50%=0,7µm) | 30 | 70 | 100 | - | - | 30 | 50 | - |
Modifiziertes CaCO3 | - | - | - | - | - | - | - | 30 |
Kaolin 1 | 70 | 30 | 100 | - | - | - | 70 | |
Kaolin 2 | - | - | - | - | 70 | - | - | |
Talkum | - | - | - | - | 100 | - | 50 | - |
Styrol/Butadien-Latex | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Stärke | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Calciumstearat | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 |
Auftragsgewicht [g/m2] | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Al2O3 (mittlere Teilchengröße 1,2 µm) | 25 Gew.% |
Silica (mittlere Teilchengröße 6,5 µm) | 40 Gew.% |
Polyvinylalkohol (vollständig verseift) | 21 Gew.% |
quaternäres Polyammoniumsalz | 14 Gew.% |
Die Rückseite des Basispapiers wurde mit einem klaren Polyethylen beschichtet.
Claims (18)
- Mindestens einseitig mit Kunstharz beschichteter Schichtträger, enthaltend ein mindestens auf der Vorderseite mit einer Pigmentschicht versehenes Rohpapier, dadurch gekennzeichnet, daß die Pigmentschicht mindestens 5 Gew.%, bezogen auf das Gewicht des Gesamtpigments in der Pigmentschicht, eines Pigments mit einer engen Korngrößenverteilung enthält, wobei mindestens 70 Gew.% dieser Pigmentpartikel eine Größe von kleiner als 1 um aufweisen und mindestens 40 Gew.% dieser Partikel eine Korngröße von 0,35 bis 0,8 um aufweisen.
- Schichtträger, enthaltend ein mindestens auf der Vorderseite mit einer Pigmentschicht versehenes Rohpapier, dadurch gekennzeichnet, daß die Pigmentschicht mindestens 5 Gew.%, bezogen auf das Gewicht des Gesamtpigments in der Pigmentschicht, eines Pigments mit einer engen Korngrößenverteilung enthält, wobei mindestens 70 Gew.% dieser Pigmentpartikel eine Größe von kleiner als 1 µm aufweisen und mindestens 40 Gew.% dieser Partikel eine Korngröße von 0,35 bis 0,8 µm aufweisen.
- Schichtträger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Pigment ein Calciumcarbonat ist.
- Schichtträger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schicht ein Pigmentgemisch enthält, das mindestens 30 Gew.% Kaolin enthält.
- Schichtträger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Auftragsgewicht der Schicht höchstens 20 g/m2 beträgt.
- Schichtträger nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Rohpapier ein gering verdichtetes Papier mit einer Dichte von weniger als 1 g/cm3 ist.
- Schichtträger nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Pigmentschicht ein strukturiertes Calciumcarbonat enthält.
- Mindestens einseitig mit Kunstharz beschichteter Schichtträger, enthaltend ein mindestens auf der Vorderseite mit einer Pigmentschicht versehenes Rohpapier, dadurch gekennzeichnet, daß die Pigmentschicht ein Calciumcarbonat enthält, dessen Oberfläche mit einer plättchenförmigen anorganischen Substanz modifiziert ist.
- Schichtträger nach Anspruch 8, dadurch gekennzeichnet, daß der Anteil des Pigments an der gesamten Pigmentmenge mindestens 5 Gew.% beträgt.
- Schichtträger nach Anspruch 8, dadurch gekennzeichnet, daß die Pigmentschicht ein Pigmentgemisch enthält, das mindestens 30 Gew.% Kaolin enthält.
- Schichtträger nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß das Auftragsgewicht der Pigmentschicht höchstens 20 g/m2 beträgt.
- Verfahren zur Herstellung eines mindestens einseitig mit Kunstharz beschichteten Schichtträgers, der mindestens auf der Vorderseite eine Pigmentschicht aufweist, dadurch gekennzeichnet, daß man auf der Vorderseite eines Rohpapiers mindestens eine Pigment enthaltende Schicht aufträgt, wobei die Pigmentschicht mindestens 5 Gew.%, bezogen auf das Gewicht des Gesamtpigments in der Schicht, eines Pigments mit einer engen Korngrößenverteilung enthält, wobei mindestens 70 Gew.% dieser Pigmentpartikel eine Größe von kleiner als 1 µm aufweisen und mindestens 40 Gew.% dieser Partikel eine Korngröße von 0,35 bis 0,8 µm aufweisen, und auf die mit dem Pigment beschichtete Seite des Rohpapiers mittels Extrusion bei einer Geschwindigkeit von bis zu 600 m/min ein Harz aufbringt.
- Verfahren zur Herstellung eines Trägermaterials, nach einem der Patentansprüche 8 bis 11, dadurch gekennzeichnet, daß man auf der Vorderseite eines Rohpapiers mindestens eine Pigment enthaltende Schicht aufträgt, wobei die Pigmentschicht ein Calciumcarbonat enthält, dessen Oberfläche mit einer plättchenförmigen anorganischen Substanz modifiziert ist.
- Verfahren nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß man das Harz bei einer Geschwindigkeit von 350 bis 600 m/min auf die Pigmentschicht des Rohpapiers extrudiert.
- Verfahren nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, daß man die Beschichtung des Rohpapiers zweistufig derart aufträgt, daß man zuerst eine Pigment enthaltende Vorschicht mit einem Auftragsgewicht von bis zu 20g/m2 auf das Rohpapier aufbringt und anschließend die ein Pigment mit einer engen Korngrößenverteilung enthaltende Beschichtung, bei der 50% der Pigmentpartikeln einen Durchmesser von 0,7 µm aufweisen, aufträgt.
- Verwendung des Schichtträgers nach einem der Ansprüche 1 bis 11 als fotografischer Schichtträger.
- Verwendung des Schichtträgers nach einem der Ansprüche 1 bis 11 als Schichtträger für ein Tintenstrahl-Aufzeichnungsmaterial.
- Verwendung des Schichtträgers nach einem der Ansprüche 1 bis 11 als Schichtträger für ein thermisches Aufzeichnungsmaterial.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10007484 | 2000-02-18 | ||
DE10007484A DE10007484C2 (de) | 2000-02-18 | 2000-02-18 | Schichtträger für Aufzeichnungsmaterialien |
Publications (3)
Publication Number | Publication Date |
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EP1126081A2 true EP1126081A2 (de) | 2001-08-22 |
EP1126081A3 EP1126081A3 (de) | 2003-04-16 |
EP1126081B1 EP1126081B1 (de) | 2004-10-13 |
Family
ID=7631464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01103793A Revoked EP1126081B1 (de) | 2000-02-18 | 2001-02-16 | Schichtträger für Aufzeichnungsschichten |
Country Status (8)
Country | Link |
---|---|
US (1) | US7014893B2 (de) |
EP (1) | EP1126081B1 (de) |
CN (1) | CN1192902C (de) |
AT (1) | ATE279578T1 (de) |
DE (2) | DE10007484C2 (de) |
DK (1) | DK1126081T3 (de) |
ES (1) | ES2230188T3 (de) |
PT (1) | PT1126081E (de) |
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EP1619550A1 (de) * | 2004-07-21 | 2006-01-25 | Fuji Photo Film B.V. | Beschichtetes Trägerpapier |
EP1770214A1 (de) | 2005-09-28 | 2007-04-04 | Fuji Photo Film B.V. | Aufzeichnungsträger |
EP1770213A1 (de) * | 2005-09-28 | 2007-04-04 | Fuji Photo Film B.V. | Aufzeichnungsträger |
WO2007110367A1 (de) | 2006-03-24 | 2007-10-04 | Felix Schoeller Jr. Foto- Und Spezialpapiere Gmbh & Co. Kg | Schichtträger für aufzeichnungsmaterialien |
EP2000588A1 (de) * | 2007-06-08 | 2008-12-10 | Voith Patent GmbH | Verfahren zum Aufbringen einer Doppelschicht |
EP1762656A3 (de) * | 2005-09-07 | 2009-06-17 | Oji Paper Co., Ltd. | Beschichtetes Papier |
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AU2003207551A1 (en) * | 2002-05-03 | 2003-11-17 | David O. Cummings | Paper coating pigments |
US20050032644A1 (en) * | 2003-06-17 | 2005-02-10 | Brelsford Gregg L. | Binder selection for coated photographic base stock |
WO2004114015A1 (en) | 2003-06-17 | 2004-12-29 | Newpage Corporation | Binder selection for coated photographic base stock |
US20050031805A1 (en) * | 2003-06-17 | 2005-02-10 | Fugitt Gary P. | Pigment selection for photographic base stock |
US20050028951A1 (en) * | 2003-06-17 | 2005-02-10 | Brelsford Gregg L. | Smooth base stock composed of nonstandard fibers |
WO2005018946A1 (ja) * | 2003-08-26 | 2005-03-03 | Nippon Paper Industries Co., Ltd. | インクジェット記録媒体の製造方法 |
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WO2008156519A1 (en) * | 2007-06-18 | 2008-12-24 | Dow Global Technologies, Inc | Paper coating compositions, coated papers, and methods |
RU2422574C1 (ru) * | 2007-12-21 | 2011-06-27 | Техноцелль Декор Гмбх Унд Ко. Кг | Бумага-основа для изготовления материалов для формирования декоративного покрытия |
KR101666005B1 (ko) | 2009-08-12 | 2016-10-13 | 뉴페이지 코포레이션 | 잉크젯 기록 매체 |
EP2473672B1 (de) * | 2009-08-31 | 2023-06-07 | Verso Paper Holding LLC | Tintenstrahlaufzeichnungsmedium |
US8361572B2 (en) * | 2009-10-30 | 2013-01-29 | Hewlett-Packard Development Company, L.P. | Coated medium for inkjet printing |
US9157187B2 (en) * | 2009-12-21 | 2015-10-13 | Ecosynthetix Ltd. | Methods of using biobased latex binders for improved printing performance |
US8821997B2 (en) | 2010-12-15 | 2014-09-02 | Newpage Corporation | Recording medium for inkjet printing |
BR112013019987B8 (pt) | 2011-02-18 | 2021-08-24 | Newpage Corp | meio de gravação a jato de tinta e método de impressão |
US8821998B2 (en) | 2012-04-13 | 2014-09-02 | Newpage Corporation | Recording medium for inkjet printing |
JP5842986B1 (ja) * | 2014-11-28 | 2016-01-13 | 富士ゼロックス株式会社 | 電子写真用画像形成シート |
JP6924015B2 (ja) * | 2016-11-22 | 2021-08-25 | 日東電工株式会社 | コーティング層付きフィルムの製造方法 |
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US4381948A (en) * | 1979-07-26 | 1983-05-03 | Anglo-American Clays Corporation | Anhydrous kaolin clay pigment and method of preparation |
EP0296866A2 (de) * | 1987-06-26 | 1988-12-28 | E.C.C. America Inc. | Anhäufung von Kaolinit mittels Organosiliziumverbindungen |
WO1990001581A1 (en) * | 1988-08-05 | 1990-02-22 | Lumalampan Aktiebolag | A method for the manufacture of light-stable paper from mechanical pulp, and paper produced in accordance with the method |
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- 2001-02-16 AT AT01103793T patent/ATE279578T1/de not_active IP Right Cessation
- 2001-02-16 DK DK01103793T patent/DK1126081T3/da active
- 2001-02-16 ES ES01103793T patent/ES2230188T3/es not_active Expired - Lifetime
- 2001-02-16 CN CN01103994.9A patent/CN1192902C/zh not_active Expired - Fee Related
- 2001-02-16 US US09/785,955 patent/US7014893B2/en not_active Expired - Fee Related
- 2001-02-16 EP EP01103793A patent/EP1126081B1/de not_active Revoked
- 2001-02-16 DE DE2001504058 patent/DE50104058D1/de not_active Revoked
- 2001-02-16 PT PT01103793T patent/PT1126081E/pt unknown
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1619550A1 (de) * | 2004-07-21 | 2006-01-25 | Fuji Photo Film B.V. | Beschichtetes Trägerpapier |
WO2006009445A1 (en) * | 2004-07-21 | 2006-01-26 | Fuji Photo Film B.V. | Coated base paper |
EP1762656A3 (de) * | 2005-09-07 | 2009-06-17 | Oji Paper Co., Ltd. | Beschichtetes Papier |
EP1770214A1 (de) | 2005-09-28 | 2007-04-04 | Fuji Photo Film B.V. | Aufzeichnungsträger |
EP1770213A1 (de) * | 2005-09-28 | 2007-04-04 | Fuji Photo Film B.V. | Aufzeichnungsträger |
WO2007037681A1 (en) * | 2005-09-28 | 2007-04-05 | Fujifilm Manufacturing Europe B.V. | Recording support |
WO2007110367A1 (de) | 2006-03-24 | 2007-10-04 | Felix Schoeller Jr. Foto- Und Spezialpapiere Gmbh & Co. Kg | Schichtträger für aufzeichnungsmaterialien |
US7993757B2 (en) | 2006-03-24 | 2011-08-09 | Felix Schoeller Jr. Foto-Und Spezialpapiere Gmbh & Co. Kg | Layer support for recording materials |
CN101410570B (zh) * | 2006-03-24 | 2012-09-05 | 小费利克斯·朔勒尔相纸和专用纸有限及两合公司 | 记录材料的片基 |
EP2000588A1 (de) * | 2007-06-08 | 2008-12-10 | Voith Patent GmbH | Verfahren zum Aufbringen einer Doppelschicht |
Also Published As
Publication number | Publication date |
---|---|
DK1126081T3 (da) | 2005-02-14 |
EP1126081B1 (de) | 2004-10-13 |
ATE279578T1 (de) | 2004-10-15 |
DE10007484C2 (de) | 2001-12-13 |
JP3964625B2 (ja) | 2007-08-22 |
EP1126081A3 (de) | 2003-04-16 |
CN1311103A (zh) | 2001-09-05 |
US7014893B2 (en) | 2006-03-21 |
DE50104058D1 (de) | 2004-11-18 |
US20010026869A1 (en) | 2001-10-04 |
JP2001334750A (ja) | 2001-12-04 |
ES2230188T3 (es) | 2005-05-01 |
DE10007484A1 (de) | 2001-09-06 |
PT1126081E (pt) | 2005-02-28 |
CN1192902C (zh) | 2005-03-16 |
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