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 coatingInfo
- 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
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.
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) |
-
1972
- 1972-10-05 NL NL7213486A patent/NL7213486A/en unknown
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