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Pub. No.:    WO/2010/144119    International Application No.:    PCT/US2010/001620
Publication Date: 16.12.2010 International Filing Date: 28.05.2010
G03F 7/029 (2006.01), G03F 7/032 (2006.01), G03F 7/033 (2006.01), B41C 1/10 (2006.01)
Applicants: EASTMAN KODAK COMPANY [US/US]; 343 State Street Rochester, New York 14650-2201 (US) (For All Designated States Except US).
TAO, Ting [CN/US]; (US) (For US Only).
CLARK, Eric Emery [US/US]; (US) (For US Only).
KALAMEN, John [US/US]; (US) (For US Only)
Inventors: TAO, Ting; (US).
CLARK, Eric Emery; (US).
EASTMAN KODAK COMPANY; 343 State Street Rochester, New York 14650-2201 (US)
Priority Data:
12/483,293 12.06.2009 US
Abstract: front page image
(EN)Negative-working imageable elements have an imageable layer comprising a free radically polymerizable component, an initiator composition capable of generating radicals sufficient to initiate polymerization of the free radically polymerizable component upon exposure to imaging radiation, a radiation absorbing compound, one or more polymeric binders, and at least 5 weight % of core-shell particles comprising a hydrophobic polymeric core and a hydrophilic polymeric shell that is covalently bound to the polymeric core. The hydrophilic polymeric shell has one or more zwitterionic functional groups. These elements can be imaged such as by IR lasers to provide lithographic printing plates.
(FR)Des éléments imageables en négatif comprennent une couche imageable comportant un composant polymérisable de manière radicalaire, une composition d'initiateur capable de produire suffisamment de radicaux pour déclencher la polymérisation du composant polymérisable de manière radicalaire par exposition à un rayonnement imageur, un composé absorbant le rayonnement, un ou plusieurs liants polymères et au moins 5% en poids de particules coeur-écorce comprenant un coeur polymère hydrophobe et une écorce polymère hydrophile liée par covalence au coeur polymère. L'écorce polymère hydrophile comprend un ou plusieurs groupes fonctionnels zwitterioniques. Ces éléments peuvent être imagés, par exemple au moyen de lasers à infrarouge, en vue de l'obtention de plaques d'impression lithographiques.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)