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WO1992003288A1 - Composition de couchage de papier imprimable - Google Patents

Composition de couchage de papier imprimable Download PDF

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Publication number
WO1992003288A1
WO1992003288A1 PCT/US1991/006160 US9106160W WO9203288A1 WO 1992003288 A1 WO1992003288 A1 WO 1992003288A1 US 9106160 W US9106160 W US 9106160W WO 9203288 A1 WO9203288 A1 WO 9203288A1
Authority
WO
WIPO (PCT)
Prior art keywords
allyl
paper
group
aromatic compound
coating composition
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.)
Ceased
Application number
PCT/US1991/006160
Other languages
English (en)
Inventor
Jan J. Spitzer
Donald G. Hobbs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Corp
Original Assignee
BASF Corp
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
Application filed by BASF Corp filed Critical BASF Corp
Publication of WO1992003288A1 publication Critical patent/WO1992003288A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/46—Non-macromolecular organic compounds
    • 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
    • B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
    • 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
    • B41M5/52—Macromolecular coatings
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers

Definitions

  • This invention relates to a printable aqueous latex paper coating composition and, in particular, to such a composition containing a component which enhances one or more of the functional properties of the composition as applied to paper, e.g., wet rub, dry pick and/or wet pick.
  • Printable paper coating compositions are generally manufactured from pigments, binders (adhesives) and various additives incorporated therein for a variety of purposes.
  • the pigment e.g., clay or calcium carbonate particles
  • the binder e.g., an aqueous latex based on styrene-butadiene copolymer and perhaps one or more other ethylenically unsaturated monomers such as itaconic acid.
  • the pigment particles fill the spaces between the surface fibers of the paper substrate providing a smooth surface for printing while the binder causes the pigment particles to adhere to each other and to the fibers.
  • Additives incorporated into the paper coating composition during the manufacture or during the coating operation may include such materials as defoaming agents, reticulation agents, lubricants, plasticizers, binding agents, colorants, and the like.
  • a printable paper coating composition which comprises inorganic particulate, aqueous latex binder and a water-insoluble, liquid aromatic compound possessing at least one substituent selected from the group consisting of hydroxyl, ether and ester, the aromatic compound being present in an amount sufficient to improve the wet rub, dry pick and/or wet pick of paper coated with the composition compared with that of paper coated with the same composition but lacking the aromatic compound.
  • paper is used herein in its broadest sense and includes paper per se as well as paperboard and other types of porous webs.
  • latex is used in its conventional sense as designating a dispersion of solid polymer particles in water which is capable of forming a film upon drying.
  • liquid as applied to the aromatic compound component of the paper coating composition herein is intended to designate such compounds which are generally liquid at ambient temperature and pressure
  • wet rub dry pick
  • wet pick refer to industry accepted testing standards for evaluating certain functional properties of a paper coating composition as applied to paper.
  • the printable paper coating composition herein contemplates the use of known and conventional pigments in the customary amounts.
  • Suitable pigment materials include plate-shaped pigments such as mica, Kaolin clays and hydrated alumina and pigments having a very small particle size such as high quality coating clay, titanium dioxide, hydrated alumina, precipitated calcium carbonate, talc, precipitated barium sulfate, and so forth. These pigments are generally formed into an aqueous dispersion, generally at an alkaline pH, and in the presence of such dispersing agents as tetrasodium pyrophosphate, sodium
  • hexametaphosphate and polyacrylates of low molecular weight in an amount of from 0.2 to 0.5 weight percent of total pigment(s).
  • the average particle size of the pigment can vary over relatively wide limits and combinations of pigments of different size, e.g., relatively coarse particles of one type of pigment admixed with relatively fine particles of another type of pigment, can be used. In general, average particle size can vary from less than about 1 micron for the finer materials to over 2 microns for the coarse materials.
  • the total amount of pigment (s) employed will often be in the range of from about 60 to about 90 weight percent of the entire coating composition with from 70 to about 85 weight percent total pigment(s) being more usual.
  • the binder component of the paper coating composition includes any of the aqueous latex resins which are known to be useful as pigment binders.
  • Representative binders include the following lattices commonly employed in paper coating compositions: copolymers of butadiene such as styrene-butadiene and butadiene-acrylonitrile, styrene copolymers, isoprene copolymers, acrylo-nitrile copolymers, polyvinyl chloride, polyvinyl acetate, polyvinyl acetate copolymers, cellulose derivatives such as ethyl cellulose and cellulose acetate, acrylic polymers such as ethyl methacrylate, butyl methylcrylate and other polyacrylates, vinylidene chloride, vinylidene chloride copolymers, maleic anhydride, ester copolymers and polyurethane.
  • the amount of binder for a specific coating composition is determined by a variety of factors such as the relative amounts of finely divided and coarse pigment where both are present, the chemical composition of the pigment(s), the bonding strength of the particular binder or binders being employed, the total solids of the coating composition and the coating strength required by the printing process for which the paper is intended.
  • the selection, of an appropriate binder to satisfy a particular requirement is well known in the art.
  • an amount of aqueous latex binder should be used which will provide a coating composition possessing a viscosity of between 100 and 50,000 centipoises, and preferably between 100 and
  • composition of this invention to improve the wet rub, dry pick and/or wet pick of the paper substrate coated therewith is a water-insoluble liquid aromatic compound, e.g., one possessing a benzene ring, which is substituted with at least one oxygen-containing polar substituent selected from the group consisting of hydroxyl, ether and ester,
  • a preferred group of waterinsoluble liquid aromatic compounds are benzene derivatives substituted with one or more alkoxy and/or hydroxyl groups and, optionally, an alkenyl group. Of this group, a more preferred group of benzene derivatives corresponds to the general formula
  • R 1 is an alkyl group of up to 12 carbon atoms
  • R 2 is an alkenyl group of up to 12 carbon atoms
  • a -COOR 3 group in which R 3 is an alkyl group of up to 12 carbon atoms or a -COOR 4 OR 5 group in which R 4 is an alkylene group, R 5 is an alkyl group and the total number of carbon atoms in R 4 and R 5 does not exceed 12, and
  • x, y and z each is the same or different and is 0, 1 or 2, with the proviso that the sum of x, y and z is at least 2.
  • R 1 is methyl or ethyl
  • R 2 is allyl
  • benzene derivatives including those of the aforementioned more preferred group, which are useful herein include the following: 2-allyl-4-methoxyphenol, 2-allyl-4-ethoxyphenol, 2-allyl-4-butoxyphenol, 2-allyl-4-dodecyloxy-phenol, 4-allyl-phenol (chavicol), 4-propenylphenol (isochavicol), 4-allyl-methoxybenzene (methyl chavicol), 4-allyl-2-methoxyphenol (eugenol), 3,4-dimethoxy-4-allyl benzene (eugenol methyl ether), 2,4-dimethoxy-allyl benzene, eugenol benzoate, 1-methoxy-4-propenyl benzene, dibutoxyethylphthalate, and the like and their combinations.
  • 4-allyl-2-methoxyphenol 4-allyl-4-methoxyphenol
  • 2-allyl-4-ethoxyphenol 2-allyl-4-ethoxyphenol
  • the amounts of aromatic compound employed can vary from over fairly wide limits and in general will constitute from about 5 to about 25, and preferably from about 10 to about 20, weight percent of the latex binder component of the paper coating composition.
  • the paper coating compositions of the present invention can contain one or more other additives commonly employed in paper coating compositions.
  • Representative additives include dyes, anti-foaming agents, dispersants, lubricants and the like, present in art-recognized amounts.
  • the paper coating composition is prepared by first combining the latex binder and aromatic compound, together with any optional components, and thereafter adding the pigment, preferably in the form of an aqueous dispersion as mentioned above, to provide a substantially homogeneous fluid mass.
  • the coating compositions of the invention can be applied to paper or similar substrate employing machinery and techniques which are well known in the art.
  • the coating device can be a flexible blade coater, size press.
  • the paper coating composition is applied to at least one side of a paper web and the coated paper is then dried and finished in a conventional manner.
  • the aqueous coating composition is ordinarily applied in an amount sufficient to provide from about 4 to 15 pounds of coating per ream (500 - 25 x 38 inch sheets - 3300 square feet) dry weight per side and preferably at a rate of from about 6 to about 12 pounds per ream.
  • the paper coating composition can be applied to a paper web traveling at speeds of up to about 4000 feet per minute.
  • the application of the coating composition can be carried out "in line” on a conventional paper machine or, in an alternative procedure, the paper can be coated on an off-machine coater.
  • the coating is dried by any suitable means such as air drying, radiant heat, high velocity dryers, or the like.
  • the coated web is dried until it possesses an acceptable residual water content, e.g., from about 3 to 8 percent by weight.
  • the dried paper is then finished by conventional finishing techniques such as supercalendering, gloss calendering, brushing or any
  • Dispex N40 (Allied Colloids-Canada) - sodium salt of polyacrylic acid employed in making a stable dispersion of the Kaolin clay and calcium carbonate pigments
  • Hercules 7L2 (Hercules, Inc.) - viscosity modifier and water-retention aid Nopco C104 (Henkel Corp.) - 50% solids dispersion of calcium stearate used as a lubricant
  • Polysar Latex 465 (BASF Canada Inc.) - 50 wt.% aqueous latex binder based on carboxylated styrene butadiene
  • the paper coating compositions illustrated in the examples were applied to 63 lb./ream paper (Rolland RS obtained from the Rolland Paper Company, Ontario, Canada) at a level of about 9g/m 2 and, following drying of the
  • Brightness - measure of whiteness of the coated paper used to judge the appearance of the sheet.
  • Wet-rub measure of resistance of the coated paper to abrasion when wetted; also related to suitability for offset printing processes.
  • Dry-pick (I.G.T. No. 3) - measure of how tenaciously the pigments are bound to the paper fiber; used to judge suitability for printing.
  • Wet-pick I.G.T. Wet
  • dry pick same as dry pick but related to offset printing processes where the sheet is wetted several time during printing.
  • K & N - measure of ink absorption by the coated paper related to the ink gloss of the printed coated paper.
  • the total solids content of this formulation was adjusted to 60 weight percent by the addition of water to provide a paper coating composition which was used as the base (control) paper coating composition in this example and each of the examples which follow.
  • Example 1 was repeated but with lower binder levels with the following results:
  • Example 1 was substantially repeated with the following results:

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  • Paper (AREA)

Abstract

Composition de couchage de papier imprimable contenant des particules inorganiques telles que des particules de carbonate de calcium, un liant en latex aqueux tel qu'un copolymère de styrène-butadiène carboxylé, et facultativement, un ou plusieurs additifs classiques qui contiennent également un composé aromatique liquide insoluble dans l'eau possédant au moins un hydroxyle, un éther et/ou un substituant d'ester, par exemple, 4-allyl-2-méthoxyphénol (eugénol) et/ou 1,2-diméthoxybenzène (vératrole), afin d'améliorer le frottement humide, l'arrachage à sec et/ou l'arrachage humide de la composition appliquée au papier.
PCT/US1991/006160 1990-08-28 1991-08-28 Composition de couchage de papier imprimable Ceased WO1992003288A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57420890A 1990-08-28 1990-08-28
US574,208 1990-08-28

Publications (1)

Publication Number Publication Date
WO1992003288A1 true WO1992003288A1 (fr) 1992-03-05

Family

ID=24295140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1991/006160 Ceased WO1992003288A1 (fr) 1990-08-28 1991-08-28 Composition de couchage de papier imprimable

Country Status (3)

Country Link
EP (1) EP0502141A4 (fr)
CA (1) CA2069327A1 (fr)
WO (1) WO1992003288A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0674232A3 (fr) * 1994-02-15 1997-07-09 Xerox Corp Feuilles d'enregistrement.
EP0813978A1 (fr) * 1996-06-20 1997-12-29 Konica Corporation Feuille pour l'enregistrement par jet d'encre
EP1120276A1 (fr) * 2000-01-27 2001-08-01 Sappi Maastricht B.V. Procédé pour la réduction de "back trap mottle" et papier ayant une sensibilité réduite à "back trap mottle"
WO2002058016A3 (fr) * 2001-01-18 2002-12-19 Ciba Sc Holding Ag Silanylphenols et silanylnaphtols

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE44893E1 (en) 2004-03-26 2014-05-13 Hanwha Azdel, Inc. Fiber reinforced thermoplastic sheets with surface coverings

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575913A (en) * 1968-04-08 1971-04-20 Dow Chemical Co Stable latex for paper coating compositions
US4151341A (en) * 1978-04-05 1979-04-24 The Dow Chemical Company Novel polymers and polymeric salts
US4154899A (en) * 1971-11-05 1979-05-15 Potlatch Forests, Inc. Production of porous, smooth, coated paper using high solids water-based coating compositions in blade coating apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0373573B1 (fr) * 1988-12-14 1994-06-22 Ciba-Geigy Ag Matériel d'enregistrement pour l'impression par jet d'encre

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575913A (en) * 1968-04-08 1971-04-20 Dow Chemical Co Stable latex for paper coating compositions
US4154899A (en) * 1971-11-05 1979-05-15 Potlatch Forests, Inc. Production of porous, smooth, coated paper using high solids water-based coating compositions in blade coating apparatus
US4151341A (en) * 1978-04-05 1979-04-24 The Dow Chemical Company Novel polymers and polymeric salts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0502141A4 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0674232A3 (fr) * 1994-02-15 1997-07-09 Xerox Corp Feuilles d'enregistrement.
EP0813978A1 (fr) * 1996-06-20 1997-12-29 Konica Corporation Feuille pour l'enregistrement par jet d'encre
US6238784B1 (en) 1996-06-20 2001-05-29 Konica Corporation Ink-jet recording sheet
EP1120276A1 (fr) * 2000-01-27 2001-08-01 Sappi Maastricht B.V. Procédé pour la réduction de "back trap mottle" et papier ayant une sensibilité réduite à "back trap mottle"
WO2001054914A3 (fr) * 2000-01-27 2002-01-31 Sappi Maastricht B V Procede de reduction de madrure due au glaçage et papier presentant une sensibilite reduite a la madrure due au glaçage
US6899921B2 (en) 2000-01-27 2005-05-31 Sappi Maastricht B.V. Method for reducing back trap mottle and paper with reduced sensitivity for back trap mottle
WO2002058016A3 (fr) * 2001-01-18 2002-12-19 Ciba Sc Holding Ag Silanylphenols et silanylnaphtols
US7078550B2 (en) 2001-01-18 2006-07-18 Ciba Specialty Chemicals Corporation Silanyl phenols and naphthols

Also Published As

Publication number Publication date
EP0502141A4 (en) 1992-11-19
EP0502141A1 (fr) 1992-09-09
CA2069327A1 (fr) 1992-03-01

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