EP 0261585 A3 19890906 - NEW CROSS-LINKING SYSTEM FOR MAKING TONERS THAT ARE USEFUL IN ELECTROPHOTOGRAPHY
Title (en)
NEW CROSS-LINKING SYSTEM FOR MAKING TONERS THAT ARE USEFUL IN ELECTROPHOTOGRAPHY
Publication
Application
Priority
US 91203386 A 19860926
Abstract (en)
[origin: EP0261585A2] Disclosed is a process for making a toner comprising the steps of melt-blending a resin and a colorant and subsequently grinding ther blend after cooling, wherein the improvement comprises simultaneously cross-linking the resin during the melt-blending step by melt-blending the resin and colorant, at a temperature sufficient to cross-link the resin, in the presence of a polyfunctional azide having the formula (N3 @O)y-R-(SO2N3)z where R is an organic radical, y and z are integers from 0 to 10, and the sum of y and z is an integer from 2 to 10.
IPC 1-7
IPC 8 full level
C08K 5/28 (2006.01); C08K 5/22 (2006.01); C09D 5/03 (2006.01); G03G 9/087 (2006.01)
CPC (source: EP KR)
G03G 9/00 (2013.01 - KR); G03G 9/08793 (2013.01 - EP)
Citation (search report)
- [Y] GB 2003885 A 19790321 - FUJI XEROX CO LTD
- [AD] US 4565763 A 19860121 - UCHIYAMA MASAKI [JP], et al
- [X] DE 1948132 A1 19700924 - HERCULES INC
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0261585 A2 19880330; EP 0261585 A3 19890906; JP S6389868 A 19880420; KR 880004353 A 19880603
DOCDB simple family (application)
EP 87113572 A 19870916; JP 23909087 A 19870925; KR 870010615 A 19870925