US20040182532A1 - Patterned paper - Google Patents

Patterned paper Download PDF

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Publication number
US20040182532A1
US20040182532A1 US10/483,271 US48327104A US2004182532A1 US 20040182532 A1 US20040182532 A1 US 20040182532A1 US 48327104 A US48327104 A US 48327104A US 2004182532 A1 US2004182532 A1 US 2004182532A1
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United States
Prior art keywords
paper
printing
pattern
surfactant
coloring
Prior art date
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Abandoned
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US10/483,271
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English (en)
Inventor
Franz Becker
Viktor Uerlings
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Metsa Board Oyj
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Individual
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Assigned to M-REAL ZANDERS GMBH reassignment M-REAL ZANDERS GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: UERLINGS, VIKTOR, BECKER, FRANZ JOSEF
Publication of US20040182532A1 publication Critical patent/US20040182532A1/en
Assigned to M-REAL OYJ reassignment M-REAL OYJ ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: M-REAL ZANDERS GMBH
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F5/00—Designs characterised by irregular areas, e.g. mottled patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/02—Patterned paper

Definitions

  • the present invention relates to a process for the production of nonuniformly intensely colored paper, and the paper produced by this process.
  • U.S. Pat. No. 5,840,403 discloses a tissue paper having a discrete pattern of a chemical composition, whereby the chemical composition may include a chemical softener composition or a surface-active composition.
  • the chemical composition is selectively disposed, preferably on the higher elevation regions of the paper to improve the softness and/or absorbency of the tissue paper.
  • the chemical composition is applied as a last step of a procedure for the preparation of such a tissue paper.
  • EP 601 517 white paper is printed in regular or irregular patterns with as little ink as possible.
  • the ink penetrates only to a small extent into the paper.
  • the disclosure of EP 601 157 attaches particular value to the small penetration of the ink into the paper, since the paper is subsequently to be recyclable as white paper.
  • the ink should therefore be capable of being easily removed from the paper.
  • EP 681 060 describes a process for the production of a differently colored paper, in which cellulose fibers and agglomerates of EP 439 363 discloses a paper which contains a desizing agent or is coated therewith, with the result that better absorption of the ink during the printing of the paper by means of inkjet printing is achieved.
  • the desizing agent is distributed in/on this paper, uniformly over the entire paper surface, in order to obtain an optimum printed copy.
  • EP 518 490 describes ink which is used for inkjet printing, the ink containing a composition which facilitates the penetration of the ink into the printed paper.
  • EP 439 363 and EP 518 490 are common to the teachings of EP 439 363 and EP 518 490.
  • polar liquids such as inkjet inks
  • EP 439 363 nor EP 518 490 describes the production of patterned paper by nonuniform coloring of the paper surface.
  • This object is achieved by a process for the production of nonuniformly intensely colored paper, comprising
  • the invention makes use of the phenomenon of paper sizing and the possibility of subsequently manipulating this in a specific manner in preferred regions on the paper web by applying suitable substances.
  • Papers are as a rule sized for the purpose of avoiding excessive penetration of applied liquids into the paper structure and into the fibers (blotter effect). This is effected during the paper production by adding sizing substances to the aqueous paper fiber slurry before this is shaped into a paper web in the paper machine.
  • the sizing substances are deposited on the fibers to the extent to which the property of liquid absorption of the finished dry paper is desired. This process is known as internal sizing or engine sizing.
  • the achieved extent of liquid absorption is inversely proportional to the “degree of internal sizing” of the paper.
  • Surface sizing can be carried out instead of or in addition to engine sizing.
  • film-forming substances such as solutions or dispersions of converted starches, gums and modified polymers, are applied to the already shaped paper web, for example by means of size presses inside the paper machine.
  • the surface sizing also contributes to the strength of the paper, so that high-quality printing paper frequently has engine size and surface size.
  • the presence of a surface size is, however, not essential for the process according to the invention, and it is also possible to use paper which has no surface size.
  • the process for the production of nonuniformly intensely colored paper in step a) may comprise the application of a dye solution in the form of a visible image or pattern to paper.
  • the production process according to the invention leads to a paper which is solidly colored, the intensity of the color differing within the paper surface.
  • the different intensity of the color results in a visual effect which appears as an image or pattern to the eye.
  • the image or pattern may be present in the form of a representative image, an imaginative structure, a signet, a regular or irregular pattern, a net structure or an irregular, for example random, distribution of the color on the paper.
  • the image or pattern can be applied either directly after papermaking, i.e. to the still moist paper, or to a previously produced, dried paper, the paper then being solidly colored by means of an aqueous dye solution.
  • the image or pattern can be applied to a continuous paper web or to individual paper sheets. Preferably, the image or pattern is applied to a continuous paper web.
  • the image or pattern can be applied by any desired method, in particular by inkjet printing, offset printing, flexographic printing, gravure printing, printing with felt or rubber rollers, by spraying on or manually, the last method being unsuitable for industrial production.
  • Particularly preferred application methods for the image or pattern is application by means of inkjet printing, flexographic printing or gravure printing.
  • the pattern or image is applied either in the form of a latent image or pattern or in the form of a visible image or pattern to the paper.
  • a substance which influences the penetration of an aqueous dye solution into the paper at the point at which the substance is applied by either facilitating or reducing the absorption, is applied to the paper.
  • Surfactants are preferably used for this purpose.
  • Anionic, cationic, nonionic or amphoteric surfactants may be used.
  • substances which facilitate the penetration of dyes into the paper are, for example, glycol ethers, such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monophenyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether and diethylene glycol monobutyl ether.
  • Suitable desizing surfactants can be selected, for example, from (1) hydrophilic polydialkylsiloxanes, (2) polyalkylene glycol, (3) polypropylene oxide/polyethylene oxide copolymers, (4) fatty ester-modified compounds of phosphate, sorbitan, glycerol, polyethylene glycol, sulfosuccinic acids, sulfonic acid or alkylamine, (5) polyoxyalkylene-modified compounds of sorbitan esters, fatty amines, alkanolamides, castor oil, fatty acid, fatty alcohol, (6) quaternary alcohol sulfate compounds, (7) fatty imidazolines, (8) polyether-modified trisiloxanes and (9) mixtures thereof.
  • water- or alcohol-soluble desizing agents from the abovementioned classes of substances are, for example, (1) poly(oxyalkylene) modifications of (a) sorbitan esters (e.g. Alkamuls PSML-4 (poly(oxyethylene)sorbitan monolaurate), Alkamuls PSMO-20 (poly(oxyethylene)sorbitan monooleate), Alkamuls PSTO-20 (poly(oxyethylene)sorbitan trioleate), Alkaril Chemicals); (b) fatty amines (e.g.
  • Alkaminox T-2, T-6 tallow amine oxyethylate), Alkaminox SO-5 (soybean amine oxyethylate), Alkaril Chemicals), (Icomeen T-2, Icomeen T-15, ICI Chemicals);
  • castor oil e.g. Alkasurf CO-10, Alkasurf CO-25B (castor oil oxyethylates), Alkaril Chemicals
  • alkanolamide e.g. Alkamide C-2, C-5 (coconut oil alkanolamide oxyethylates), Alkaril Chemicals
  • fatty acids e.g.
  • hydrophilic poly(dimethylsiloxanes) such as, for example, (a) poly(dimethylsiloxane) provided with a monocarbinol terminal group (PS556, Petrarch Systems Inc.) and poly(dimethylsiloxane) provided with a dicarbinol terminal group (PS555, PS556, Petrarch Systems Inc.); (b) poly(dimethylsiloxane)-b-poly(methylsiloxane/
  • sorbitan e.g. Alkamuls STO (sorbitan trioleate), Alkamuls SML (sorbitan monolaurate), Alkamuls SMO (sorbitan monooleate), Alkaril Chemicals
  • glycerol compounds e.g.
  • Alkamuls GMO-45LG glyceryl monooleate
  • Alkamuls GDO glyceryl dioleate
  • Alkamuls GTO glycerol trioleate
  • poly(ethylene glycols) Alkamuls 600 DO (dioleate), Alkamuls 400-ML (monolaurate), Alkamuls 600 MO (monooleate), Alkamuls 600 DL (dilaurate), Alkamuls 600 DT (ditallow), Alkaril Chemicals);
  • sulfosuccinic acid e.g.
  • Alkasurf SS-0-75 sodium dioctylsulfosuccinate
  • Alkasurf SS-DA4-HE oxyethylated alcohol sulfosuccinate
  • Alkasurf SS-L7DE sodium sulfosuccinate ester of lauric acid diethanolamide
  • Alkasurf SS-L-HE sodium laurylsulfosuccinate
  • Alkaril Chemicals sulfonic acid
  • Alkasurf CA calcium dodecylbenzenesulfonate
  • Alkasurf IPAM isopropylamine dodecylbenzenesulfonate
  • Alkaril Chemicals Alkasurf Chemicals
  • Alkamide SDO (soybean diethanolamide), Alkamide CDE (coco-diethanolamide), Alkamide 2104 (coconut fatty acid diethanolamide), Alkamide CMA (coco-monoethanolamide), Alkamide L9DE (lauryldiethanolamide), Alkamide L7Me (laurylmonoethanolamide), Alkamide L1PA (laurylmonoisopropylamide), Alkaril Chemicals); (5) quaternary compounds, such as, for example, (a) nonpolymeric quaternized ammonium ethosulfate (e.g. Finquat CT, Cordex T-172, Finetex Corporation); (b) quaternary dialkyldimethyl methosulfate (e.g.
  • Alkaquat DHTS hydrogenated tallow
  • alkoxylated quaternized di-fatty methosulfate e.g. Alkasurf DAET (tallow derivative)
  • quaternized fatty imidazoline methosulfate e.g. Alkaquat T (tallow derivatives), Alkaril Chemicals
  • Tetronic 25R2 BASF Corporation
  • Alkatronic EGE-1 Alkaril Chemicals
  • water-soluble Tetronic 908, 50R8, 25R8, 904, 90R4, Pluronic F-77 all from BASF Corporation, and Alkatronic EGE 25-2 and PGP 33-8 from Alkaril Chemicals
  • poly(alkylene glycol) and its derivatives such as, for example, (a) polypropylene glycol (Alkapol PPG 425, Alkapol PPG-4000, Alkaril Chemicals); (b) poly(propylene glycol dimethacrylate), poly(ethylene glycol diacrylate), poly(ethylene glycol dimethacrylate), poly(ethylene glycol monomethyl ether), poly(ethylene glycol dimethyl ether), poly(ethylene glycol diglycidyl ether) (all from Polysciences); (c) poly(1,4-oxybutylene glycol) (Scientific Polymer Products) and the like.
  • Preferred desizing agents include linear alcohol oxyethylates (e.g. Alkasurf LA-EP-65, LA-EP-25 and LA-EP-15 obtainable from Alkaril Chemicals), nonylphenol oxyethylates (e.g. Alkasurf NP-11 obtainable from Alkaril Chemicals and Rexol 130 obtainable from Hart Chemicals), octylphenol oxyethylates (e.g. Alkasurf OP-12 obtainable from Alkaril Chemicals), oleic acid oxyethylates (e.g.
  • Alkasurf 0-14 obtainable from Alkaril Chemicals
  • poly(dimethylsiloxane)-b-poly(propylene oxide)-b-poly(ethylene oxide) copolymers e.g. Alkasil NEP 73-70 obtainable from Alkaril Chemicals
  • castor oil oxyethylates e.g. Alkasurf CO25B obtainable from Alkaril Chemicals
  • coco-imidazolinedicarboxylic acid sodium salts e.g. Alkateric 2C1B obtainable from Alkaril Chemicals
  • coconut fatty acid diethanolamide e.g. Alkamid S104 obtainable from Alkaril Chemicals.
  • the Alkasurf desizing agents are advantageously biodegradable.
  • Suitable surfactants imparting water repellency are, for example, paper sizes, such as alkylsuccinic anhydride (ASA), alkylketene dimer (AKD) and polyolefins (e.g. SÜDRANOL 200, Süd Wegner Emulsions-Chemie GmbH, Mannheim, Germany), waxes, wax-like substances, metal soaps (stearates), paraffin and paraffin emulsions, fatty acids, fatty acid (methyl) esters, fatty alcohols, fatty alcohol polyglycol ethers and the sulfates thereof.
  • ASA alkylsuccinic anhydride
  • ALD alkylketene dimer
  • polyolefins e.g. SÜDRANOL 200, Süd Wegners, etc.
  • the surfactants are present in the form of solutions, emulsions or dispersions, which further may contain soluble dyes as mentioned below, and/or further auxiliaries in addition to surfactants.
  • auxiliaries are thickeners, such as, for example, gum arabic, polyacrylates, polymethacrylates, polyvinyl alcohols, hydroxypropylcellulose, hydroxyethylcellulose, polyvinylpyrrolidone, polyvinyl ether, starch, polysaccharides and the like, optical brighteners, brightener quenchers, pigments (dying or non-dying pigments, including pigments with a metallic effect or metals), binders, preservatives and safety chemicals, such as, for example, fluorescent, phosphorescent or luminescent substances.
  • the surfactants are preferably present as an aqueous or alcoholic solution.
  • the concentration ranges for the surfactants in the solutions, emulsions or dispersions to be applied are 0.01 to 30% by weight, preferably 0.1 to 25% by weight, particularly preferably in the range from 0.2 to 15% by weight.
  • concentrations of the thickeners which can be used as surfactant auxiliaries are in the range from 0 to 5% by weight, preferably 0.01 to 2.5% by weight, particularly preferably 0.05 to 2.5% by weight, of the total solution, emulsion or dispersion.
  • desizing and water repellency-imparting surfactants may also be applied side by side on the same paper surface.
  • Any desired dye solution can be used for creating a visible image or pattern.
  • An aqueous solution of substantive, basic or acidic dyes, or a mixture of these dyes, is preferably used.
  • suitable dye solutions are customary printing inks which contain, for example, anthraquinone-, monoazo-, diazo-, phthalocyanine-, aza-(18)-annulene- and formazan-copper complex dyes.
  • suitable dyes are those mentioned further below for the dye solution of the dyeing bath, including dyes containing or based on pigments as mentioned below.
  • the concentration ranges of the dyes are 0.1 to 30% by weight, preferably 1.0 to 20% by weight, particularly preferably 2.0 to 10% by weight.
  • the latent or visible image or pattern can be applied to one side or both sides of the paper so that the finished paper has, at least on one side, a color which is more intense or less intense than in the untreated regions of the paper surface(s).
  • the paper is solidly colored in step (b) with the aid of a dye solution.
  • This coloring is effected so as to cover the whole area, either inside or outside the paper machine, by applying dye solution(s) to the paper by means of classical paper coating apparatuses and processes, such as, for example, a size press, film press, knife coater, blade, rolls or spraying, or by application of a dye solution to the total surface of the paper with the aid of suitable printing methods, such as inkjet printing, offset printing, flexographic printing, gravure printing or printing by means of felt or rubber rollers, by spraying on or by tub coloring of the paper in a dyeing bath. It is preferable to color the paper by the dip process in an aqueous dye solution.
  • the dye solution usually contains the dyes in concentration ranges of 0.1 to 40% by weight, preferably 0.1 to 35% by weight, very particularly preferably 0.1 to 30% by weight.
  • concentration of the dye solution can be established according to the individually desired effect to be achieved (intensity of the subsequently desired image). Corresponding experiments can be carried out by any person skilled in the art by simple testing.
  • the paper is immersed in an aqueous dye solution after application of the latent or visible image or pattern and is then pressed off and dried.
  • Tub coloring can be carried out using sized or unsized paper webs or paper sheets. By means of tub coloring, it is possible to obtain rich colors of very high luminous power. A further advantage of this method is that even small amounts can be colored without operating inefficiently.
  • the paper absorbs the color to a greater or lesser extent in the pretreated areas during the coloring process, depending on the substance with which the paper was pretreated.
  • Customary aqueous dye solutions can be used for coloring the paper. These may contain basic and/or acidic and/or substantive dyes. Examples of suitable dye solutions are solutions which contain anthraquinone-, monoazo-, diazo-, phthalocyanine-, aza-(18)-annulene- and formazan-copper complex dyes. Specific examples of suitable dyes are mentioned in EP-A 559 324, on page 4, lines 25 to 53. These are in particular triphenodioxazines, Bernacid Red 2BMN; Pontamine Brilliant Bond Blue A: Pontamine; Food Black 2; Carodirect Turquoise FBL Supra Conc.
  • Acid Yellow 23 (FD&C Gelb #5. Acid Yellow 23), obtainable from Sandoz; Carodirect Yellow RL (Direct Yellow 86), obtainable from Carolina Color and Chemical; Cartasol Yellow GTF Liquid Special 110, obtainable from Sandoz, Inc.; D&C Yellow #10 (Acid Yellow 3), obtainable from Tricon; Yellow Shade 16948, obtainable from Tricon, Basacid Black X34, obtainable from BASF, Carta Black 2GT, obtainable from Sandoz, Inc.; Direct Brilliant Pink B (Crompton-Knolls); Kayanol Red 3BL (Nippon Kayaku Company); Levanol Brilliant Red 3BW (Mobay Chemical Company); Levaderm Lemon Yellow (Mobay Chemical Company); Spirit Fast Yellow 3G; Sirius Supra Yellow GD 167; Cartasol Brilliant Yellow 4GF (Sandoz); Pergasol Yellow CGP (Ciba-Geigy); Dermacarbon 2GT (Sandoz); Pyrazol Black BG (ICI); Morfast Black
  • Duasyn line of “salt-free” dyes obtainable from Hoechst, such as Duasyn Direct Schwarz HEF-SF (Direct Black 168), Duasyn Schwarz RL-SF (Reactive Black 31), Duasyn Direct Gelb 6G-SF VP216 (Direct Yellow 157), Duasyn Brilliant Gelb GL-SF VP220 (Reactive Yellow 37), Duasyn Acid Yellow XX-SF VP413 (Acid Yellow 23), Duasyn Brilliant Rot F3B-SF VP218 (Reactive Red 180), Duasyn Rhodamine B-SF VP353 (Acid Red 52), Duasyn Direct Moskisblau FRL-SF VP368 (Direct Blue 199), Duasyn Acid Blue AE-SF VP344 (Acid Blue 9), and the like, and mixtures of these dyes.
  • Duasyn Direct Schwarz HEF-SF Direct Black 168
  • Duasyn Schwarz RL-SF Re
  • Further dyes can be used which contain or are based on pigments (dying or non-dying pigment), including pigments with metallic effect, or metals.
  • the concentration of the dye depends on the manufacturer and also on the color used and is not limiting for the present invention.
  • the dye solutions can moreover contain further additives, such as alcohol, thickeners, wet-strength agents, optical brighteners, preservatives, safety chemicals, binders and pigments (dyes or non-dying pigments, like for example calcium carbonate).
  • additives for the dye solution are in particular gum arabic, polyacrylate salts, polymethacrylate salts, polyvinyl alcohols, hydroxypropylcellulose, hydroxyethylcellulose, polyvinylpyrrolidone, polyvinyl ether, starch, polysaccharides and the like.
  • Further customary additives for inks may likewise be present. Such customary additives are mentioned in EP-A 518 490, page 4, line 55, to page 5, line 9.
  • a paper having a basis weight of 105 g/m 2 is produced on a Fourdrinier machine.
  • the paper stock composition consists of 80% by weight of softwood sulfate pulp and 20% by weight of eucalyptus sulfate pulp.
  • the paper sizing is carried out using rosin size and alum. 1% of melamine/formaldehyde resin is used as the wet-strength agent.
  • the paper used in the example has no surface size.
  • the stated percentages of the nonfibrous additives are based on the fiber content.
  • Sheets are taken from the paper thus produced, and desizing (example 1) or water-repellent (example 2) or both (example 3) substances are applied in the form of handwritten characters to said sheets manually with the aid of an application apparatus, for example a Fineliner (Rotring Rapidograph 0.35 mm diameter), reed pen or brush.
  • an application apparatus for example a Fineliner (Rotring Rapidograph 0.35 mm diameter), reed pen or brush.
  • a visible image is applied to the paper.
  • the sheets treated in this manner are colored by dipping in a dye solution, then pressed off with an absorptive paper mat and dried.
  • a 0.2% strength by weight aqueous solution of a polyether-modified trisiloxane (TEGOPREN 5847) is applied as described above to a paper sheet.
  • the subsequent coloring is effected by dipping the paper sheet into a 1.0% strength by weight aqueous Cartasol Blau 3RF solution (Sandoz Chemikalien AG, Basle/Clariant (Deutschland) GmbH, Lörrach).
  • the latent handwritten characters are very clearly visible and appear positive and in an intense hue in the same color in which the entire paper is colored.
  • a 5.0% strength by weight aqueous dispersion of a polyethylene wax (SÜDRANOL 200) is applied as described above to a paper sheet.
  • the subsequent coloring is effected by dipping the paper sheet into a 1.0% strength by weight aqueous Cartasol Blau 3RF solution (Sandoz Chemikalien AG, Basle/Clariant (Deutschland) GmbH, Lörrach).
  • the latent handwritten characters are very clearly visible and appear negative and in a less intense hue in the same color in which the entire paper is colored.
  • a 0.2% strength by weight aqueous solution of a polyether-modified trisiloxane (TEGROPEN 5847, Goldschmidt AG, Essen, Germany) and a 5.0% strength by weight aqueous dispersion of a polyethylene wax (SÜDRANOL 200, Süd Weg Emulsions-Chemie GmbH, Mannheim, Germany) are applied simultaneously, but not overlapping, as described above to a paper sheet.
  • the subsequent coloring is effected by dipping into a 1.0% strength by weight Cartasol Blau 3RF solution (Sandoz Chemikalien AG, Basle/Clariant (Deutschland) GmbH, Lörrach).
  • Cartasol Blau 3RF solution Cartasol Blau 3RF solution
  • a blue inkjet imprint in the form of a net pattern is applied to a sheet by means of a commercial printer (Hewlett Packard DeskJet 870Cxi using the HP 51641A printer cartridge.
  • the subsequent tub coloring of the printed paper sheet in a 1.0% strength by weight aqueous Cartasol Blau 3RF solution makes the imprinted pattern very clearly visible. The pattern appears positive and in a more intense hue in the same color in which the entire paper is colored.

Landscapes

  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Ink Jet (AREA)
US10/483,271 2001-08-01 2002-07-27 Patterned paper Abandoned US20040182532A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01118527.9 2001-08-01
EP01118527A EP1281812B9 (de) 2001-08-01 2001-08-01 Gemustertes Papier
PCT/EP2002/008404 WO2003012202A1 (en) 2001-08-01 2002-07-27 Patterned paper

Publications (1)

Publication Number Publication Date
US20040182532A1 true US20040182532A1 (en) 2004-09-23

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US10/483,271 Abandoned US20040182532A1 (en) 2001-08-01 2002-07-27 Patterned paper

Country Status (11)

Country Link
US (1) US20040182532A1 (zh)
EP (1) EP1281812B9 (zh)
JP (1) JP2005523388A (zh)
CN (1) CN1289756C (zh)
AT (1) ATE264942T1 (zh)
CA (1) CA2454291A1 (zh)
DE (1) DE50102060D1 (zh)
DK (1) DK1281812T3 (zh)
ES (1) ES2217066T3 (zh)
HK (1) HK1070674A1 (zh)
WO (1) WO2003012202A1 (zh)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
US20060185807A1 (en) * 2003-01-15 2006-08-24 Becker Franz J Patterned paper with improved printing or lettering features
US20090272505A1 (en) * 2006-06-27 2009-11-05 Basf Se Method for finishing paper and paper products
US20130068407A1 (en) * 2011-03-25 2013-03-21 Nanopaper, Llc Volatile debonder formulations for papermaking
US8926796B2 (en) 2011-11-09 2015-01-06 Nanopaper, Llc Bulk and stiffness enhancement in papermaking

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EP1522629A1 (de) * 2003-10-08 2005-04-13 M-real Oyj Beschichtetes Papier als Druckstoff
EP1844945A1 (de) * 2006-04-13 2007-10-17 M-real Oyj Verfahren zur Aufbringung von Interferenzpigmenten auf ein Substrat
EP2213791B1 (de) 2009-01-30 2011-11-30 Büttenpapierfabrik Gmund GmbH & Co. KG Geschäftsausstattungspapier
CN103469694B (zh) * 2013-09-02 2016-08-17 金红叶纸业集团有限公司 造纸设备及造纸方法
CN110593000A (zh) * 2019-08-13 2019-12-20 山西大学 一种水致显色材料及其制备方法

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HK1070674A1 (en) 2005-06-24
ATE264942T1 (de) 2004-05-15
JP2005523388A (ja) 2005-08-04
ES2217066T3 (es) 2004-11-01
EP1281812B9 (de) 2004-11-17
CA2454291A1 (en) 2003-02-13
DE50102060D1 (de) 2004-05-27
EP1281812B1 (de) 2004-04-21
CN1289756C (zh) 2006-12-13
WO2003012202A1 (en) 2003-02-13
EP1281812A1 (de) 2003-02-05
DK1281812T3 (da) 2004-08-16

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