GB699052A - Photosensitive bichromated colloid for planographic printing - Google Patents

Photosensitive bichromated colloid for planographic printing

Info

Publication number
GB699052A
GB699052A GB23504/51A GB2350451A GB699052A GB 699052 A GB699052 A GB 699052A GB 23504/51 A GB23504/51 A GB 23504/51A GB 2350451 A GB2350451 A GB 2350451A GB 699052 A GB699052 A GB 699052A
Authority
GB
United Kingdom
Prior art keywords
paper
carboxymethyl cellulose
coating
bichromated
plate
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
GB23504/51A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB699052A publication Critical patent/GB699052A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/04—Chromates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/03—Chemical or electrical pretreatment
    • B41N3/036—Chemical or electrical pretreatment characterised by the presence of a polymeric hydrophilic coating

Abstract

699,052. Bichromated colloid plate for planographic printing. TICKNER, A. (Columbia Ribbon & Carbon Manufacturing Co., Inc.). Oct. 9, 1951, No. 23504/51. Drawings to Specification. Class 98 (ii). A plate has a paper foundation, an insolubilized coating of a carboxymethyl cellulose compound therein and, adhering to the surface of the latter, a bichromated albumin coating. The plate may be exposed under a negative, if desired using a half-tone screen, and washed to remove unexposed areas, or, after exposure, may be coated with asphalt or gilsonite solution and submerged in dilute aqueous ammonia; to produce a planographic printing plate in which the ink-receptive portions penetrate sufficiently into the carboxymethyl cellulose to remain firmly bonded thereto during printing operations. Preferably the paper foundation is made resistant to swelling or deformation, as by incorporating a melamine- or urea-formaldehyde resin in the pulp used for making the paper or by coating the paper with a water-proof lacquer such as a polystyrene resin in a solvent, or a casein-formaldehyde solution. An aqueous solution of an alkali salt or an ammoniacal aluminium salt, of carboxymethyl cellulose, and which may contain up to 20 per cent of other colloids such as sodium alginate, alkali casein, or zein and also a filler such as colloidal clay and a plasticizer such as glycerin, is applied in one or more coatings to the paper and insolubilized as by treatment with a copper, ferric or chromic salt, glyoxal, or a strong acid solution or by evaporating off ammonia when this is used. After drying bichromated glue or egg albumen is applied as by whirl coating and then exposure and processing are by normal methods. Four examples provide quantitative details. The use of coatings of casein-formaldehyde, polyvinyl alcohols and carboxymethyl cellulose compounds for similar purposes is referred to.
GB23504/51A 1947-01-23 1951-10-09 Photosensitive bichromated colloid for planographic printing Expired GB699052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US723681A US2570262A (en) 1947-01-23 1947-01-23 Photosensitive planographic plate

Publications (1)

Publication Number Publication Date
GB699052A true GB699052A (en) 1953-10-28

Family

ID=24907243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23504/51A Expired GB699052A (en) 1947-01-23 1951-10-09 Photosensitive bichromated colloid for planographic printing

Country Status (2)

Country Link
US (1) US2570262A (en)
GB (1) GB699052A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806424A (en) * 1947-03-27 1957-09-17 Anthony L Ensink Planographic printing plate
US2649373A (en) * 1948-10-18 1953-08-18 Warren S D Co Paper printing foils for lithographic purposes and a process of preparing them
BE502740A (en) * 1950-05-19
US2702243A (en) * 1950-06-17 1955-02-15 Azoplate Corp Light-sensitive photographic element and process of producing printing plates
US2721815A (en) * 1951-01-19 1955-10-25 Dick Co Ab Method for manufacturing improved planographic printing plates
BE523231A (en) * 1953-05-22
NL189903B (en) * 1953-08-17 Katashi Aoki PROCEDURE FOR THE MANUFACTURE OF A PLASTIC BOTTLE WITH AN ELLIPTICAL RESPECTIVELY ROUNDED RECTANGULAR CROSS-SECTION SHAPE AND WITH A NOMINAL WALL THICKNESS BETWEEN 0.2 AND 0.5 MM.
NL93864C (en) * 1953-09-16

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1704356A (en) * 1928-02-23 1929-03-05 Walter N Baker Photographic line printing
US2127573A (en) * 1936-04-16 1938-08-23 Eastman Kodak Co Photographic emulsions
US2184310A (en) * 1937-06-10 1939-12-26 Du Pont Photographic and printing media
GB521593A (en) * 1937-10-25 1940-05-27 William Craig Toland Improvements in printing plates and processes
US2216735A (en) * 1938-09-27 1940-10-08 Du Pont Photographic film
US2311889A (en) * 1941-11-19 1943-02-23 Toland William Craig Lithographic plate
US2397616A (en) * 1942-06-22 1946-04-02 Lithomat Corp Photogravure printing plate

Also Published As

Publication number Publication date
US2570262A (en) 1951-10-09

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