US3053779A - Printing inks containing styrenemaleic anhydride copolymer and carbon black - Google Patents

Printing inks containing styrenemaleic anhydride copolymer and carbon black Download PDF

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Publication number
US3053779A
US3053779A US83395759A US3053779A US 3053779 A US3053779 A US 3053779A US 83395759 A US83395759 A US 83395759A US 3053779 A US3053779 A US 3053779A
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Prior art keywords
carbon black
anhydride copolymer
printing inks
inks containing
styrenemaleic anhydride
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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 - Lifetime
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Inventor
William O O'neill
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Eastman Kodak Co
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Eastman Kodak Co
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/106Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C3/00Packages of films for inserting into cameras, e.g. roll-films, film-packs; Wrapping materials for light-sensitive plates, films or papers, e.g. materials characterised by the use of special dyes, printing inks, adhesives
    • G03C3/02Photographic roll-films with paper strips

Description

Unite Sit res Patented Sept. 11, 1962 New Jersey No Drawing. Filed Aug. 17, 1959, Ser. No. 833,957 2 Claims. (Cl. 260-175) This invention relates to a printing ink and more particularly to an improved printing ink which is suitable for use on photographic film backing paper.

Photographic backing paper which is presently employed with roll film comprises a strip of paper having various protective light colored and opaquing coatings thereon. Photographic paper of this kind is described in U.S. Patent 2,751,309 of June 19, 1956. A typical backing paper structure comprises a strip of unbleached kraft paper having on one side a layer of carbon black in a vinylidene chloride-acrylonitrile copolymer. On the opposite side of the kraft paper there is a yellow coating comprising chrome orange and yellow pigments as well as titanium dioxide pigments in a zein binder. The printed indicia is printed onto the above-described yellow coating and the printing is overcoated with a transparent protective coating of zein. The transparent zein protective coating is described in U.S. Patent 2,262,987 of Nov. 18, 1941.

The printing ink preferably employed, up to the instant invention, on the backing paper described in Patent 2,751,309 is that described in U.S. Patent Re. 21,268 of Nov. 21, 1939. This ink comprises suitable organic coloring materials in a prolamine binder such as zein in alcoholic solution.

It has been noted from time to time that this ink, described in Re. 21,268, had a tendency to smear when overcoated with the clear zein coating. Furthermore, it is desirable that the printed indicia be visible under the infrared light employed when inspecting the roll film and the ink described in Re. 21,268 does not have this desirable property.

An object of this invention is to provide an improved printing ink suitable for use on the type of photographic film backing paper described in Patent 2,751,309 which is photographically inactive, is visible under infrared light and which does not smear when an alcoholic zein protective layer is coated over the printing.

In accordance with the present invention, these and other objects are attained by employing a printing ink of the following composition:

Percent Carbon Black (Raven Beads) 5.05 Carbon Black (Statex 93 Beads) 5.05

Carbon Black Dispersing Agent (Marasperse CB) Sodium Hydroxide Percent Ammonium Hydroxide 1.15 Styrene-Maleic Anhydride Copolymer (Scriptite 54) 3.73 Water 50.33 Ethyl Alcohol 33.90

The above formulation represents a preferred embodiment of the present invention. I have found, however, a satisfactory ink can be produced when certain variations are made. The carbon black content may b varied within the range of 5 to 15%. The styrene-maleic anhydride content may be varied within the range of 3 to 5%, the water from 40 to and the ethyl alcohol from 30 to 60%. The several ingredients are stirred until a substantially homogeneous mixture is achieved. The ink may be applied to the backing paper by rotogravure processes.

As indicated in the above formulation, the preferred carbon blacks employed are those sold under the trademarks Statex 93 and Raven Beads. The preferred styrene-maleic anhydride copolymer is that sold under the trademark Scriptite 54. U.S. Patent 2,047,398 of July 14, 1936 also discloses suitable styrene-maleic anhydride copolymers which are usable in my ink formulation. The preferred dispersing agent is that sold under the trademark Marasperse CB which is a highly puritied, partially desulfonated sodium lignosulfonate.

Accelerated tests and prolonged keeping tests indicated that this printing ink shows no photographic activity. The ink produces sharp black printing. It shows up readily under infrared inspection and may also be employed for photoelectric pick-up on the automatic spooling machines for controlling the length and placement of film. The ink also does not smear when it comes in contact with an alcoholic zein solution.

I claim:

1. A printing ink comprising from 515% carbon black, from 3-5 of styrene-maleic anhydride copolymer, from 30-60% ethyl alcohol, from 40-60% water, 0.74% partially 'desulfonated sodium lignosulfonate dispersing agent, 0.05% sodium hydroxide, and 1.15% ammonium hydroxide.

2. A printing ink consisting of 10.1% carbon black, 0.74% partially desulfonated sodium lignosulfonate dispersing agent, 0.05% sodium hydroxide, 1.5% ammonium hydroxide, 3.73% styrene-maleic anhydride copolymer, 33.09% ethyl alcohol, and 50.33% water.

References Cited in the file of this patent UNITED STATES PATENTS 2,236,521 Coleman Apr. 1, 1941 2,607,762 Bowen Aug. 19, 1952 2,868,757 Symons Jan. 13, 1959 2,904,523 Hawkins Sept. 15, 1959 2,930,775 Fordyce et a1. Mar. 29, 1960 UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. 3,053,779 September 11, 1962 William O. ONeill It is hereby certified that error appears in the above numbered patent requiring correction and that the said Letters Patent should read as corrected below.

Column 2, line 48, for "33.09%" read 33.90%

Signed and sealed this 5th day of March 1963.

(SEAL) Attest:

ESTON G. JOHNSON DAVID L. LADD Attesting Officer Commissioner of Patents

Claims (1)

1. A PRINTING INK COMPRISING FROM 5-15% CARBON BLACK, FROM 3-5% OF STYRENE-MALEIC ANHYDRIDE COPOLYMER, FROM 30-60% ETHYL ALCOHOL, FROM 40-60% WATER, 0.74% PARTIALLY SESULFONATED SODIUM LIGNOSULFONATE DISPERSING AGENT, 0.05% SODIUM HYDROXIDE, AND 1.15% AMMONIUM HYDROXIDE.
US3053779A 1959-08-17 1959-08-17 Printing inks containing styrenemaleic anhydride copolymer and carbon black Expired - Lifetime US3053779A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US3053779A US3053779A (en) 1959-08-17 1959-08-17 Printing inks containing styrenemaleic anhydride copolymer and carbon black

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3053779A US3053779A (en) 1959-08-17 1959-08-17 Printing inks containing styrenemaleic anhydride copolymer and carbon black
GB2824660A GB915913A (en) 1959-08-17 1960-08-15 Improvements in photographic backing paper
FR836047A FR1265131A (en) 1959-08-17 1960-08-17 New printing ink

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US3053779A true US3053779A (en) 1962-09-11

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198857A (en) * 1962-05-08 1965-08-03 Raymond Int Inc Method of treating a mold for concrete with a bond release coating material
US3349055A (en) * 1965-04-06 1967-10-24 Taguchi Akira Manufacture of electroconductive inks containing polyvinyl methyl-maleic acid copolymers or salts thereof as adhesive
US3687887A (en) * 1970-07-20 1972-08-29 Dick Co Ab Photographic film titling ink
US3903034A (en) * 1970-12-07 1975-09-02 Dick Co Ab Offset jet printing ink
US4293459A (en) * 1979-06-07 1981-10-06 American Can Company Asphalt emulsion-conditioner
EP1122263A1 (en) * 2000-02-02 2001-08-08 Atofina Chemicals, Inc. Styrene-maleic anhydride resin amic acids
US20050027035A1 (en) * 2003-07-28 2005-02-03 Wang Patricia A. Use of styrene-maleic anhydride copolymer to control black-to-color bleed

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2236521A (en) * 1937-08-12 1941-04-01 Zein Corp Of America Ink
US2607762A (en) * 1948-12-07 1952-08-19 Monsanto Chemicals Dry process manufacture of watersoluble derivatives of styrenemaleic anhydride type heteropolymers
US2868757A (en) * 1954-07-21 1959-01-13 Du Pont Process of incorporating colloidal carbon in polycaproamide
US2904523A (en) * 1955-11-07 1959-09-15 Empire Varnish Company Storage-stable pastes, paints, inks and similar products containing aluminous pigments
US2930775A (en) * 1958-10-14 1960-03-29 Rohm & Haas Pigment pastes containing water-soluble diisobutylene-maleic anhydride copolymer salts

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2236521A (en) * 1937-08-12 1941-04-01 Zein Corp Of America Ink
US2607762A (en) * 1948-12-07 1952-08-19 Monsanto Chemicals Dry process manufacture of watersoluble derivatives of styrenemaleic anhydride type heteropolymers
US2868757A (en) * 1954-07-21 1959-01-13 Du Pont Process of incorporating colloidal carbon in polycaproamide
US2904523A (en) * 1955-11-07 1959-09-15 Empire Varnish Company Storage-stable pastes, paints, inks and similar products containing aluminous pigments
US2930775A (en) * 1958-10-14 1960-03-29 Rohm & Haas Pigment pastes containing water-soluble diisobutylene-maleic anhydride copolymer salts

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198857A (en) * 1962-05-08 1965-08-03 Raymond Int Inc Method of treating a mold for concrete with a bond release coating material
US3349055A (en) * 1965-04-06 1967-10-24 Taguchi Akira Manufacture of electroconductive inks containing polyvinyl methyl-maleic acid copolymers or salts thereof as adhesive
US3687887A (en) * 1970-07-20 1972-08-29 Dick Co Ab Photographic film titling ink
US3903034A (en) * 1970-12-07 1975-09-02 Dick Co Ab Offset jet printing ink
US4293459A (en) * 1979-06-07 1981-10-06 American Can Company Asphalt emulsion-conditioner
EP1122263A1 (en) * 2000-02-02 2001-08-08 Atofina Chemicals, Inc. Styrene-maleic anhydride resin amic acids
US20050027035A1 (en) * 2003-07-28 2005-02-03 Wang Patricia A. Use of styrene-maleic anhydride copolymer to control black-to-color bleed
WO2005012446A1 (en) * 2003-07-28 2005-02-10 Hewlett-Packard Development Company, L.P. Use of styrene-maleic anhydride copolymer to control black-to-color bleed
US7417079B2 (en) 2003-07-28 2008-08-26 Hewlett-Packard Development Company, L.P. Use of styrene-maleic anhydride copolymer to control black-to-color bleed
CN100572465C (en) 2003-07-28 2009-12-23 惠普开发有限公司 Use of styrene-maleic anhydride copolymer to control black-to-color bleed

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