IE35502B1 - Clay-coated paper for pressure-sensitive copying paper systems - Google Patents

Clay-coated paper for pressure-sensitive copying paper systems

Info

Publication number
IE35502B1
IE35502B1 IE135770A IE135770A IE35502B1 IE 35502 B1 IE35502 B1 IE 35502B1 IE 135770 A IE135770 A IE 135770A IE 135770 A IE135770 A IE 135770A IE 35502 B1 IE35502 B1 IE 35502B1
Authority
IE
Ireland
Prior art keywords
sodium
anhydride copolymer
clay
layer
pressure
Prior art date
Application number
IE135770A
Other versions
IE35502L (en
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of IE35502L publication Critical patent/IE35502L/en
Publication of IE35502B1 publication Critical patent/IE35502B1/en

Links

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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
    • B41M5/1555—Inorganic mineral developers, e.g. clays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Paper (AREA)

Abstract

1326572 Pressure-sensitive recording sheet FUJI PHOTO FILM CO Ltd 21 Oct 1970 [22 Oct 1969 49993/70] Heading D2B A pressure-sensitive recording sheet comprises a paper support having coated on one face thereof a layer comprising an electronaccepting absorbent clay, a latex binder, and a material yielding a polymeric anionic component when dissolved in water, said component being selected from acidic polymers and their alkali metal salts, gum arabic, pectin, pictinic acid, starch sulphate and starch phosphate, and the sulphuric acid and phosphoric acid esters of hydroxyethyl cellulose. Specified alkali metal salts of acidic polymers include sodium polyacrylate, sodium alginate, sodium carboxymethyl cellulose, sodium carboxyethyl cellulose, sodium carboxymethyl ether of hydroxyethyl cellulose, sodium salt of a styrene-maleic anhydride copolymer, sodium polyglutamate, sodium polyasparaginate, sodium polymethacrylate, sodium salt of a butadiene - methacrylic acid copolymer, sodium salt of an ethylene-maleic anhydride copolymer, sodium carboxymethyl starch, sodium salt of a methyl vinyl ethermaleic anhydride copolymer, sodium carboxymethyl ether-mallic anhydride copolymer, and potassium polyvinylbenzene sulphonate. A layer of microcapsules containing a colour former may be applied to the layer above, or to the other face of the paper support. A metal oxide and/or a metal salt may be incorporated in the clay-containing layer. [GB1326572A]
IE135770A 1969-10-22 1970-10-21 Clay-coated paper for pressure-sensitive copying paper systems IE35502B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8453769 1969-10-22

Publications (2)

Publication Number Publication Date
IE35502L IE35502L (en) 1971-04-22
IE35502B1 true IE35502B1 (en) 1976-03-03

Family

ID=13833377

Family Applications (1)

Application Number Title Priority Date Filing Date
IE135770A IE35502B1 (en) 1969-10-22 1970-10-21 Clay-coated paper for pressure-sensitive copying paper systems

Country Status (7)

Country Link
CA (1) CA980636A (en)
DE (1) DE2051933B2 (en)
DK (1) DK129510B (en)
ES (1) ES384753A1 (en)
FR (1) FR2066306A5 (en)
GB (1) GB1326572A (en)
IE (1) IE35502B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1524742A (en) * 1976-01-19 1978-09-13 Wiggins Teape Ltd Pressure-sensitive copying paper
DE2731418C3 (en) * 1977-07-12 1987-10-22 Feldmühle AG, 4000 Düsseldorf Colour-reactive recording material and process for its preparation
ZA802692B (en) * 1979-05-22 1981-05-27 Wiggins Teape Group Ltd Manufacture of colour developing sheets

Also Published As

Publication number Publication date
ES384753A1 (en) 1973-03-16
IE35502L (en) 1971-04-22
DE2051933B2 (en) 1973-11-22
DE2051933A1 (en) 1971-05-13
CA980636A (en) 1975-12-30
GB1326572A (en) 1973-08-15
FR2066306A5 (en) 1971-08-06
DK129510B (en) 1974-10-21

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