NL7213486A - Receptive paper for pressure sensitive copying system - contains hydrophi-lic trioctahedral smectite (saponite or hectorite) clay in receptive coating - Google Patents

Receptive paper for pressure sensitive copying system - contains hydrophi-lic trioctahedral smectite (saponite or hectorite) clay in receptive coating

Info

Publication number
NL7213486A
NL7213486A NL7213486A NL7213486A NL7213486A NL 7213486 A NL7213486 A NL 7213486A NL 7213486 A NL7213486 A NL 7213486A NL 7213486 A NL7213486 A NL 7213486A NL 7213486 A NL7213486 A NL 7213486A
Authority
NL
Netherlands
Prior art keywords
clay
receptive
saponite
hydrophi
hectorite
Prior art date
Application number
NL7213486A
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 filed Critical
Priority to NL7213486A priority Critical patent/NL7213486A/en
Publication of NL7213486A publication Critical patent/NL7213486A/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

Landscapes

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

Abstract

Title clay can be used instead of attapulgite, which is expensive, and can give at least as good results. The clay should have an exchangeable cation capacity (molar basis) of is not >60% Na + Li + and pref. 40% Mg2+, Ca2+, Zn2+, Ni2+, Cu2+, Ba2+, Cd2+ and/or Hg2+. The clay is saponite, esp. in acid-treated form, with a surface area >80m2g-1. The coating contains 3-8g m-2 and also contains a starch binder. Natural and synthetic hectorites are also suitable.
NL7213486A 1972-10-05 1972-10-05 Receptive paper for pressure sensitive copying system - contains hydrophi-lic trioctahedral smectite (saponite or hectorite) clay in receptive coating NL7213486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7213486A NL7213486A (en) 1972-10-05 1972-10-05 Receptive paper for pressure sensitive copying system - contains hydrophi-lic trioctahedral smectite (saponite or hectorite) clay in receptive coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7213486A NL7213486A (en) 1972-10-05 1972-10-05 Receptive paper for pressure sensitive copying system - contains hydrophi-lic trioctahedral smectite (saponite or hectorite) clay in receptive coating

Publications (1)

Publication Number Publication Date
NL7213486A true NL7213486A (en) 1974-04-09

Family

ID=19817084

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7213486A NL7213486A (en) 1972-10-05 1972-10-05 Receptive paper for pressure sensitive copying system - contains hydrophi-lic trioctahedral smectite (saponite or hectorite) clay in receptive coating

Country Status (1)

Country Link
NL (1) NL7213486A (en)

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