GB1326572A - Clay-coated paper for pressure-sensitive copying paper systems - Google Patents

Clay-coated paper for pressure-sensitive copying paper systems

Info

Publication number
GB1326572A
GB1326572A GB4999370A GB4999370A GB1326572A GB 1326572 A GB1326572 A GB 1326572A GB 4999370 A GB4999370 A GB 4999370A GB 4999370 A GB4999370 A GB 4999370A GB 1326572 A GB1326572 A GB 1326572A
Authority
GB
United Kingdom
Prior art keywords
sodium
anhydride copolymer
clay
layer
pressure
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.)
Expired
Application number
GB4999370A
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.)
Fujifilm Holdings Corp
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 GB1326572A publication Critical patent/GB1326572A/en
Expired legal-status Critical Current

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.
GB4999370A 1969-10-22 1970-10-21 Clay-coated paper for pressure-sensitive copying paper systems Expired GB1326572A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1326572A true GB1326572A (en) 1973-08-15

Family

ID=13833377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4999370A Expired GB1326572A (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409272A (en) * 1979-05-22 1983-10-11 The Wiggins Teape Group Limited Process for the manufacture of color developing material and product

Families Citing this family (2)

* 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
DE2731418B2 (en) * 1977-07-12 1979-08-16 Feldmuehle Ag, 4000 Duesseldorf Color-reactive recording material and process for its production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409272A (en) * 1979-05-22 1983-10-11 The Wiggins Teape Group Limited Process for the manufacture of color developing material and product

Also Published As

Publication number Publication date
FR2066306A5 (en) 1971-08-06
CA980636A (en) 1975-12-30
ES384753A1 (en) 1973-03-16
DE2051933A1 (en) 1971-05-13
DE2051933B2 (en) 1973-11-22
IE35502B1 (en) 1976-03-03
DK129510B (en) 1974-10-21
IE35502L (en) 1971-04-22

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
433C Case decided by the comptroller ** specification amended (sect. 33/1949)
SPA Amended specification published
PE20 Patent expired after termination of 20 years