GB815662A - Improvements in or relating to film base materials - Google Patents

Improvements in or relating to film base materials

Info

Publication number
GB815662A
GB815662A GB3512956A GB3512956A GB815662A GB 815662 A GB815662 A GB 815662A GB 3512956 A GB3512956 A GB 3512956A GB 3512956 A GB3512956 A GB 3512956A GB 815662 A GB815662 A GB 815662A
Authority
GB
United Kingdom
Prior art keywords
coated
polystyrene
coating
residues
sulphonated
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
GB3512956A
Inventor
Edward William Lee
Frank Percy Lambert
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
Filing date
Publication date
Application filed by Ilford Ltd filed Critical Ilford Ltd
Publication of GB815662A publication Critical patent/GB815662A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/85Photosensitive materials characterised by the base or auxiliary layers characterised by antistatic additives or coatings
    • G03C1/89Macromolecular substances therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Laminated Bodies (AREA)

Abstract

815,662. Coated films. ILFORD Ltd. Sept. 27, 1957 [Nov. 16, 1956; April 15, 1957], Nos. 35129/56 and 12221/57. Class 140. [Also in Group XX] A coating layer of an alkali metal or ammonium salt of a sulphonated polystyrene or sulphonated polymethyl styrene including, or overlying a layer of, polyvinyl pyrrolidone or an alkali metal or ammonium salt of a polymethyl acrylate containing free carboxyl groups is provided on film base to improve the antistatic properties thereof. The polystyrene derivatives may be coated from mainly aqueous solutions but when including the other polymers the solvents used are mainly organic liquids. Surface-active agents may be present to facilitate coating and improve resistance to moisturecondensation on the layers when coated. Preferably a small proportion of the sulphonic residues of the polystyrene derivatives are converted to sulphonamides such as stearyl sulphonamide residues and the manner of such conversion is described. Six specific examples are directed to the coating of cellulose triacetate films, thus in Example 1 the coatings are of polyvinyl pyrrolidone in methylene chloride, acetone and methanol with a small proportion of water followed by sodium polystyrene sulphonate in water with a little ethanol and an ethylene oxide/alkyl phenol condensate as surface-active agent.
GB3512956A 1956-11-16 Improvements in or relating to film base materials Expired GB815662A (en)

Publications (1)

Publication Number Publication Date
GB815662A true GB815662A (en) 1959-07-01

Family

ID=1744177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3512956A Expired GB815662A (en) 1956-11-16 Improvements in or relating to film base materials

Country Status (1)

Country Link
GB (1) GB815662A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769020A (en) * 1971-02-11 1973-10-30 Agfa Gevaert Ag Photographic material with improved properties
US3857729A (en) * 1972-09-21 1974-12-31 H Burwasser Indicia receiving matte sheet materials having an outermost antistatic layer
US4388402A (en) * 1980-08-15 1983-06-14 Fuji Photo Film Co., Ltd. Photographic light-sensitive material
US5238706A (en) * 1992-06-26 1993-08-24 Minnesota Mining And Manufacturing Company Antistatic film bases and their process of manufacturing
CN115141561A (en) * 2019-05-24 2022-10-04 浙江欧仁新材料有限公司 Antistatic PET film for electronic product

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769020A (en) * 1971-02-11 1973-10-30 Agfa Gevaert Ag Photographic material with improved properties
US3857729A (en) * 1972-09-21 1974-12-31 H Burwasser Indicia receiving matte sheet materials having an outermost antistatic layer
US4388402A (en) * 1980-08-15 1983-06-14 Fuji Photo Film Co., Ltd. Photographic light-sensitive material
US5238706A (en) * 1992-06-26 1993-08-24 Minnesota Mining And Manufacturing Company Antistatic film bases and their process of manufacturing
CN115141561A (en) * 2019-05-24 2022-10-04 浙江欧仁新材料有限公司 Antistatic PET film for electronic product
CN115141561B (en) * 2019-05-24 2023-08-15 浙江欧仁新材料有限公司 Antistatic PET film for electronic product

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