Title:
SURFACE-ACTIVE PHOTOINITIATORS
Document Type and Number:
WIPO Patent Application WO2003066687
Kind Code:
A3
Abstract:
Compounds of the formula la, Ib and Ic are suitable photoinitiators which accumulate at the surface of the formulation (Ic), in which R, R1, and R2a are e.g.phenyl substituted by at least one siloxane group A-X-, Ra and R are e.g. phenylene is a surface-active radical of the formula III A3 is a radical of the formula III in which n is from 2 to 1000; X and X1 are -U-C3-C12cycloalkylene, -U-C6-C12bicycloalkylene, U-C3-C12cyclo-alkylene-Cl-C6alkylene, U-C6- C12bicycloalkylene-C,-C6alkylene;- - or a group selected from -(CH2)a CH-CH2-OH or -(CH2)a O-(CH2)b-CH-CH2-OH; I I O-CO-(CH2)b- O-CO-(CH2)c or -(CH2)a.-CH(OH)-CH2-O-CO-(CH2)b- or -(CH2)b-O-(CH2)a CH(OH)-CH2-O-CO-(CH2)c; and U is e.g. -COO-, -(CH2)aC00-; Y is hydrogen; unsubstituted C1-C20alkyl or C1-C20alkyl substituted by A-X-.; Y1 is e.g. C1-C12-alkylene.
Inventors:
BAUDIN GISELE (CH)
JUNG TUNJA (DE)
JUNG TUNJA (DE)
Application Number:
PCT/EP2003/000819
Publication Date:
December 18, 2003
Filing Date:
January 28, 2003
Export Citation:
Assignee:
CIBA SC HOLDING AG (CH)
BAUDIN GISELE (CH)
JUNG TUNJA (DE)
BAUDIN GISELE (CH)
JUNG TUNJA (DE)
International Classes:
C07F7/08; C08F2/46; C08F2/48; C08F12/00; C08F20/00; C08G77/14; C08G77/38; C08L101/00; C09D4/00; C09D5/00; C09D7/12; C08K5/5419; (IPC1-7): C08F2/46; C08F12/00; C08F20/00; C08G77/38; C08L101/00
Foreign References:
| US4507187A | 1985-03-26 | |||
| US4587276A | 1986-05-06 | |||
| US4534838A | 1985-08-13 |
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