GB1040549A - Coating composition and process - Google Patents
Coating composition and processInfo
- Publication number
- GB1040549A GB1040549A GB4773963A GB4773963A GB1040549A GB 1040549 A GB1040549 A GB 1040549A GB 4773963 A GB4773963 A GB 4773963A GB 4773963 A GB4773963 A GB 4773963A GB 1040549 A GB1040549 A GB 1040549A
- Authority
- GB
- United Kingdom
- Prior art keywords
- starch
- clay
- modified
- oxidized
- coating composition
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—Starch
Landscapes
- Paper (AREA)
Abstract
An aqueous paper coating composition comprising clay and starch is modified to produce improved wet rub resistance by reacting the starch with 5-10% of dialdehyde starch which is 90-100% oxidized. The composition may contain 32-40% of clay plus starch. The proportion of starch based on the clay may be 12-18%. The clay may be dispersed with the aid of disodium phosphate. The starch may be an acid-modified or hypochlorite-oxidized starch. The pH may be maintained at about 7 during reaction.ALSO:An aqueous paper coating composition comprising clay and starch is modified to produce improved wet rub resistance by reacting the starch with 5-10% of dialdehyde starch which is 90-100% oxidized. The composition may contain 32-40% of clay plus starch. The proportion of starch based on the clay may be 12-18%. The clay may be dispersed with the aid of disodium phosphate. The starch may be an acid-modified or hypochlorite-oxidized starch. The pH may be maintained at about 7 during reaction.ALSO:An aqueous paper coating composition comprising clay and starch is modified to produce improved wet rub resistance by reacting the starch with 5-10% of dialdehyde starch which is 90-100% oxidized. The composition may contain 32-40% of clay plus starch. The proportion of starch based on the clay may be 12-18%. The clay may be dispersed with the aid of disodium phosphate. The starch may be an acid-modified or hypochlorite-oxidized starch. The pH may be maintained at about 7 during reaction.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24202362A | 1962-12-03 | 1962-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1040549A true GB1040549A (en) | 1966-09-01 |
Family
ID=22913165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4773963A Expired GB1040549A (en) | 1962-12-03 | 1963-12-03 | Coating composition and process |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE640681A (en) |
GB (1) | GB1040549A (en) |
NL (1) | NL301277A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2202464A (en) * | 1987-03-20 | 1988-09-28 | Ecc Int Ltd | Paper coating |
US4962072A (en) * | 1986-12-18 | 1990-10-09 | The Wiggins Teape Group Limited | Pressure sensitive record material |
-
0
- NL NL301277D patent/NL301277A/xx unknown
-
1963
- 1963-12-02 BE BE640681A patent/BE640681A/xx unknown
- 1963-12-03 GB GB4773963A patent/GB1040549A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4962072A (en) * | 1986-12-18 | 1990-10-09 | The Wiggins Teape Group Limited | Pressure sensitive record material |
GB2202464A (en) * | 1987-03-20 | 1988-09-28 | Ecc Int Ltd | Paper coating |
Also Published As
Publication number | Publication date |
---|---|
BE640681A (en) | 1964-04-01 |
NL301277A (en) |
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