GB1475553A - Black developer - Google Patents

Black developer

Info

Publication number
GB1475553A
GB1475553A GB5115074A GB5115074A GB1475553A GB 1475553 A GB1475553 A GB 1475553A GB 5115074 A GB5115074 A GB 5115074A GB 5115074 A GB5115074 A GB 5115074A GB 1475553 A GB1475553 A GB 1475553A
Authority
GB
United Kingdom
Prior art keywords
toner
styrene
carrier
carbon
black
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
GB5115074A
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 GB1475553A publication Critical patent/GB1475553A/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
    • G03G9/087—Binders for toner particles
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08744—Polyacetals
    • 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
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0902—Inorganic compounds
    • G03G9/0904—Carbon black
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1133—Macromolecular components of coatings obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/1136—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon atoms

Abstract

1475553 Black electrographic developer XEROX CORP 26 Nov 1974 [27 Dec 1973] 51150/74 Heading G2H The developer comprises a toner and a carrier; said toner comprising polyvinylbutyral and a carbon black colourant dispersed in a styrene/ alkylmethacrylate copolymeric resin, and said carrier comprising a terpolymer of styrene, methylmethacrylate and an organosilane, -silanol or -siloxane having from 1 to 3 hydrolyzable groups per molecule and an organic group which is attached directly to the silicon atoms and which contains an unsaturated carbon-to-carbon linkage capable of addition polymerization.
GB5115074A 1973-12-27 1974-11-26 Black developer Expired GB1475553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42896073A 1973-12-27 1973-12-27

Publications (1)

Publication Number Publication Date
GB1475553A true GB1475553A (en) 1977-06-01

Family

ID=23701140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5115074A Expired GB1475553A (en) 1973-12-27 1974-11-26 Black developer

Country Status (3)

Country Link
CA (1) CA1048840A (en)
GB (1) GB1475553A (en)
NL (1) NL7415827A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1072956A3 (en) * 1999-07-19 2001-09-12 Agfa-Gevaert naamloze vennootschap Stable pigment dispersion and photosensitive recording material prepared therewith

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1072956A3 (en) * 1999-07-19 2001-09-12 Agfa-Gevaert naamloze vennootschap Stable pigment dispersion and photosensitive recording material prepared therewith
US6576396B1 (en) 1999-07-19 2003-06-10 Agfa-Gevaert Stable pigment dispersion and photosensitive recording material prepared therewith

Also Published As

Publication number Publication date
NL7415827A (en) 1975-02-28
CA1048840A (en) 1979-02-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee