EP0515060A1 - Improved recording material - Google Patents

Improved recording material Download PDF

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Publication number
EP0515060A1
EP0515060A1 EP92304089A EP92304089A EP0515060A1 EP 0515060 A1 EP0515060 A1 EP 0515060A1 EP 92304089 A EP92304089 A EP 92304089A EP 92304089 A EP92304089 A EP 92304089A EP 0515060 A1 EP0515060 A1 EP 0515060A1
Authority
EP
European Patent Office
Prior art keywords
coating
binder
material according
receiver stock
hollow sphere
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.)
Withdrawn
Application number
EP92304089A
Other languages
German (de)
English (en)
French (fr)
Inventor
Mary Ann Wehr
Thomas John Obringer
Stephen Douglas Lakes
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.)
NCR International Inc
Original Assignee
NCR International Inc
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 NCR International Inc filed Critical NCR International Inc
Publication of EP0515060A1 publication Critical patent/EP0515060A1/en
Withdrawn legal-status Critical Current

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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
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers

Definitions

  • the present invention relates to a recording material comprising a receiver stock having a coating.
  • a receiver stock having an improved thermal transfer print property In the past, attempts have been made to provide a receiver stock having an improved thermal transfer print property.
  • One or more coatings are applied to a surface in an attempt to make the surface smooth so that sharp images can be thermally transferred thereon from a thermal transfer ink ribbon.
  • the receiver stocks are commonly coated with compositions which include clay or carbonate, a binder, and other additives.
  • one known composition consists essentially of 75% clay pigment and 25% latex binder.
  • a problem with these previous coatings is that the data printed on the receiver stock tends to smear because the surface of the receiver stock is not absorbent enough to receive the thermally transferred ink from the thermal transfer ink ribbon.
  • Another problem with such receiving stocks having a rough or non-smooth surface is that they have to be used in printers that keep the thermally transferred ink in a molten state long enough for the ink to "fill in" or cover the rough surface.
  • a recording material comprising a receiver stock having a coating thereon, characterized in that said coating comprises a hollow sphere pigment and a binder.
  • the present invention is advantageous in that it provides a recording material having a coating which improves the absorbency of a receiver stock.
  • the coating can likewise improve the smoothness of the receiver stock and also the resistance of the material to smearing.
  • Yet another advantage of the present invention is that the coating can be applied to a receiver stock to provide a smooth surface which enables use of a thermally transferred ink which "sets up" quicker than one which can be used on receiver stocks having rough surfaces.
  • the drawing is a sectional view of a recording material or receiver stock 10 that constitutes the structure of the present invention.
  • the receiver stock 10 comprises a substrate 12 having a coating 14 thereon for improving the smoothness and absorbency of the receiver stock 10.
  • the following examples show coating systems including means for providing a receiver stock 10 having a smoothness and absorbency that inhibits smearing of data that has been printed thereon.
  • the coating 14 is arranged as shown in the drawing and is comprised of the following elements: Material % Dry Wet Wt.(gm) Range (% Dry) Pigment: 79 832 50-90 Latex Binder: 20 156 10-50 Water Soluble Dye (optional) 1 6 0-5
  • the pigment is a hollow sphere synthetic pigment, such as a styrene acrylic emulsion.
  • the pigment is Ropaque OP-90 available from Rohm & Haas Co. of Philadelphia, PA.
  • the binder used in this example is a latex binder.
  • a suitable binder is a styrene butadiene, such as the Dow 620 Latex binder, manufactured by Dow Chemical Co. of Midland, Michigan.
  • an optional water soluble dye could be added to the composition shown in Example I if it is desired to provide the receiver stock 10 with one or another colour.
  • One suitable water soluble dye is Hidacid Tartrazine Ex. Conc. 115%, manufactured by Hilton-Davis of Cincinnati, Ohio.
  • Example II is a coating 14, arranged as shown in the drawing, which was applied to the substrate 12.
  • the pigment is a hollow sphere synthetic pigment, such as a styrene acrylic emulsion.
  • the pigment is Ropaque OP-90.
  • the binder used in this example is a polyvinyl alcohol binder.
  • a suitable polyvinyl alcohol binder is Vinol 107, manufactured by Air Products of Allentown, PA.
  • a water soluble dye could be added to the composition shown in Example II to provide a receiver stock of one or another colour.
  • a test sample was prepared for each of Examples I and II.
  • the materials for Examples I and II were stirred and flexographically coated on 50# EDP substrate 12 at a coating weight of 31b./3300 square feet.
  • a first control sample of a substrate 12 without any coating 14 was selected.
  • a second control sample was prepared by coating a substrate 12 with a conventional coating having 75% clay and 25% latex binder.
  • a third control sample was prepared by coating a substrate with a commercial print varnish, such as AWX5-91006 available from Arcar Graphics, Inc. of West Chicago, Illinois.
  • the test samples and the control samples were evaluated for smoothness in an uncalendered form and then calendered and evaluated again.
  • Example I and II were stirred and flexographically coated on 10 point uncoated tag stock at a weight of 31b./3300 square feet. Control samples were prepared using a 10 point tag without any coating 14. Eight (8) point coated one side tag stock, commercially available from Union Camp of Savannah, Georgia, was selected as the second control sample. Data (not shown) was printed on one set of test and control samples using a Soabar 370 thermal transfer printer with a TR 4050 thermal transfer ribbon, manufactured by Sony Chemicals Corp. of America of WoodDale, Illinois. Data was also printed on a second set of test samples and control samples using a SG Sato thermal transfer ribbon, manufactured by IIMAK of Amherst, N.Y.
  • the printed samples were then subjected to a smear test.
  • the surface on which the data was printed of each sample was rubbed with a conventional rubbing pad under a weight of 2 kilograms for 10 cycles.
  • the smeared print was then read using a MacBeth RD-400 densitometer, manufactured by MacBeth Instrument Corp. of Newburgh, N.Y.
  • the greater the smear the darker was the image, and thus the higher the densitometer reading.
  • the lower the densitometer reading the less the data was smeared, thereby indicating a greater smear resistance.
  • the results of the smear test are shown in Table 2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Paper (AREA)
EP92304089A 1991-05-22 1992-05-06 Improved recording material Withdrawn EP0515060A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70398791A 1991-05-22 1991-05-22
US703987 1991-05-22

Publications (1)

Publication Number Publication Date
EP0515060A1 true EP0515060A1 (en) 1992-11-25

Family

ID=24827610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92304089A Withdrawn EP0515060A1 (en) 1991-05-22 1992-05-06 Improved recording material

Country Status (6)

Country Link
EP (1) EP0515060A1 (no)
JP (1) JPH05169870A (no)
CA (1) CA2059469A1 (no)
FI (1) FI922298A (no)
IE (1) IE921873A1 (no)
NO (1) NO922001L (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008124731A1 (en) 2007-04-10 2008-10-16 Hewlett-Packard Development Company, L.P. Printable articles including coating/ink-receiving layers and methods of preparation thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101170A (ja) * 1993-10-01 1995-04-18 Nisshinbo Ind Inc 熱転写受像紙

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02286290A (ja) * 1989-04-27 1990-11-26 Mitsubishi Paper Mills Ltd 熱転写記録用受像シート
JPH02305688A (ja) * 1989-05-19 1990-12-19 Mitsubishi Paper Mills Ltd 熱転写記録用受像シート
JPH0310889A (ja) * 1989-06-09 1991-01-18 Mitsubishi Paper Mills Ltd 熱転写記録用受像シート
US5106818A (en) * 1989-04-27 1992-04-21 Mitsubishi Paper Mills Limited Receiving sheet for heat transfer recording

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02286290A (ja) * 1989-04-27 1990-11-26 Mitsubishi Paper Mills Ltd 熱転写記録用受像シート
US5106818A (en) * 1989-04-27 1992-04-21 Mitsubishi Paper Mills Limited Receiving sheet for heat transfer recording
JPH02305688A (ja) * 1989-05-19 1990-12-19 Mitsubishi Paper Mills Ltd 熱転写記録用受像シート
JPH0310889A (ja) * 1989-06-09 1991-01-18 Mitsubishi Paper Mills Ltd 熱転写記録用受像シート

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008124731A1 (en) 2007-04-10 2008-10-16 Hewlett-Packard Development Company, L.P. Printable articles including coating/ink-receiving layers and methods of preparation thereof
EP2137000A1 (en) * 2007-04-10 2009-12-30 Hewlett-Packard Development Company, L.P. Printable articles including coating/ink-receiving layers and methods of preparation thereof
EP2137000A4 (en) * 2007-04-10 2011-04-20 Hewlett Packard Development Co PRINTABLE ARTICLES WITH COATING / INK RECORDING TREATMENT AND METHOD FOR THEIR PRODUCTION
US8945693B2 (en) 2007-04-10 2015-02-03 Hewlett-Packard Development Company, L.P. Printable articles including coating/ink-receiving layers and methods of preparation thereof

Also Published As

Publication number Publication date
CA2059469A1 (en) 1992-11-23
FI922298A (fi) 1992-11-23
FI922298A0 (fi) 1992-05-20
IE921873A1 (en) 1992-12-02
JPH05169870A (ja) 1993-07-09
NO922001D0 (no) 1992-05-21
NO922001L (no) 1992-11-23

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