GB1040549A - Coating composition and process - Google Patents

Coating composition and process

Info

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
Application number
GB4773963A
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.)
Bayer Corp
Original Assignee
Miles Laboratories Inc
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 Miles Laboratories Inc filed Critical Miles Laboratories Inc
Publication of GB1040549A publication Critical patent/GB1040549A/en
Expired legal-status Critical Current

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.
GB4773963A 1962-12-03 1963-12-03 Coating composition and process Expired GB1040549A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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