GB1332674A - Liquid electrostatographic developers - Google Patents

Liquid electrostatographic developers

Info

Publication number
GB1332674A
GB1332674A GB5101770A GB5101770A GB1332674A GB 1332674 A GB1332674 A GB 1332674A GB 5101770 A GB5101770 A GB 5101770A GB 5101770 A GB5101770 A GB 5101770A GB 1332674 A GB1332674 A GB 1332674A
Authority
GB
United Kingdom
Prior art keywords
dyes
liquid
developer
oct
fatty acid
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
GB5101770A
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of GB1332674A publication Critical patent/GB1332674A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/12—Developers with toner particles in liquid developer mixtures
    • G03G9/135—Developers with toner particles in liquid developer mixtures characterised by stabiliser or charge-controlling agents
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/005—Materials for treating the recording members, e.g. for cleaning, reactivating, polishing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Wet Developing In Electrophotography (AREA)

Abstract

1332674 Liquid electrostatic developers XEROX CORP 27 Oct 1970 [31 Oct 1969] 51017/70 Heading G2H A liquid electrostatographic developer comprises a hydroxy substituted or unsubstituted saturated or unsaturated fatty acid ester of an alkylene diol or triol. The liquid electrostatic developer may comprise toner particles dispersed in an insulating carrier liquid or a conductive liquid in which the toner is dissolved. In the latter case the developer is applied by means of an applicator roll having a number of depressions in its surface in which the developer is held by capillary action as described in U.S.A. Specification 3084043. Specified liquid vehicles or carriers are glycerol, water, 2, 5- hexanediol, polypropylene glycol, mineral spirits, 2-ethyl -1, 3-hexane diol, mineral oil, oxidised castor oil, benzyl alcohol, dipropylene glycol, paraffin oil, oleic acid, dihexyl phthalate, vegetable oils, CCl 4 , fluorocarbons, silicone oils and toluene, which may contain as secondary vehicles dialkyl phthalates, adipates and sebacates, alkyl palmitates, stearates and oleates, triethylene glycol fatty acid esters and trialkyl mellitates. Dispersing agents e.g. alkylated polyvinyl pyrrolidones and copolymers of n-octadecyl vinyl ether and maleic anhydride and Lewis acids and bases e.g. crystal violet, malachite green, prosaniline, basic fuchsin, xanthene dyes, aniline dyes, porphins, thionine dyes, triphenylamine, anthracene, pyrene, fluorene, acridene, carbazole, aromatic hydroquinones, diaminophenyl oxazoles, triazines, indanthrone dyes, azo dyes, 2, 4, 7- trinitro fluorenone, tetrachlorophthalic anhydride, chloranil, fluoranil, 2- dicyanomethylene- 1, 3- indane - dione and nigiosine may be included. Various pigments and dyes are specified as colourants.
GB5101770A 1969-10-31 1970-10-27 Liquid electrostatographic developers Expired GB1332674A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87310569A 1969-10-31 1969-10-31

Publications (1)

Publication Number Publication Date
GB1332674A true GB1332674A (en) 1973-10-03

Family

ID=25360982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5101770A Expired GB1332674A (en) 1969-10-31 1970-10-27 Liquid electrostatographic developers

Country Status (5)

Country Link
US (1) US3692520A (en)
JP (1) JPS5140807B1 (en)
CA (1) CA940361A (en)
DE (1) DE2052534A1 (en)
GB (1) GB1332674A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047943A (en) * 1973-05-25 1977-09-13 Xerox Corporation Method of developing electrostatic latent images with conductive liquid developer
GB1468598A (en) * 1974-05-01 1977-03-30 Australia Res Lab Method of and means for image development in electrostatic printing
US4734352A (en) * 1986-04-22 1988-03-29 E. I. Du Pont De Nemours And Company Polyhydroxy charging adjuvants for liquid electrostatic developers
US5153090A (en) * 1990-06-28 1992-10-06 Commtech International Management Corporation Charge directors for use in electrophotographic compositions and processes
US5023160A (en) * 1989-11-08 1991-06-11 Xerox Corporation Liquid developer compositions
JP4952096B2 (en) * 2006-07-04 2012-06-13 セイコーエプソン株式会社 Liquid developer and image forming apparatus
JP2008009194A (en) * 2006-06-29 2008-01-17 Seiko Epson Corp Liquid developer and image forming apparatus
JP5007530B2 (en) * 2006-06-29 2012-08-22 セイコーエプソン株式会社 Liquid developer and image forming apparatus
JP5007533B2 (en) * 2006-07-14 2012-08-22 セイコーエプソン株式会社 Liquid developer, image forming method, and image forming apparatus
JP4952105B2 (en) * 2006-07-14 2012-06-13 セイコーエプソン株式会社 Liquid developer, image forming method, and image forming apparatus
JP2018136429A (en) * 2017-02-21 2018-08-30 富士ゼロックス株式会社 Liquid developer, liquid developer cartridge, image forming apparatus, and image forming method

Also Published As

Publication number Publication date
CA940361A (en) 1974-01-22
DE2052534A1 (en) 1971-05-06
JPS5140807B1 (en) 1976-11-06
US3692520A (en) 1972-09-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee