Reference

Electrophotographic liquid developer containing benzimidazole pigment

All Rights Reserved. Electrophotographic liquid developer containing benzimidazole pigment. Miyagawa, Nobuhiro (Seiko Epson Corp.In this study， 12225-08-0 and 51920-12-8 are also used., Japan). Jpn. Kokai Tokkyo Koho JP 2007017955 A 25 Jan 2007, 16pp. (Japanese). (Japan). CODEN: JKXXAF. APPLICATION: JP 2006-152998 1 Jun 2006. PRIORITY: JP 2005-165091 6 Jun 2005. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes) Section cross-reference(s): 11 Title pos.-charged developer contains plant oil carrier liq. and benzimidazole pigment I (R1 = OMe; R2 = SO2NHR; R = C1-4 alkyl; R3 = Me, OMe) as a colorant. The developer is manufd. by dispersing magenta pigments I, C.I. Pigment Violet 32, and C.I. Pigment Red 185 in a plant oil using ball-mill, beads-mill, sand-mill, etc. The liq. developer shows good pos. charging property and storage stability. .

Radiation-curable jet-printing inks with high ejection and storage stability and printed materials employing them

All Rights Reserved. Radiation-curable jet-printing inks with high ejection and storage stability and printed materials employing them. Yoshihiro, Yasuo; Seki, Eriko; Jonai, Kazuhiro (Toyo Ink Mfg. Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 2006348207 A 28 Dec 2006, 13pp. (Japanese). (Japan). CODEN: JKXXAF. APPLICATION: JP 2005-177464 17 Jun 2005. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) The inks comprise polymer dispersing agents, monomers, benzimidazolone pigments, and benzimidazolone derivs. having SO3H (salts). Thus, a pigment dispersion comprising dispersing agent (Solsperse 32000) 4.Several substances with their cas registry numbers 51920-12-8 and 917242-28-5 may be metioned in this study.0, disperse medium of 2-phenoxyethyl acrylate (I) 75.2, C.I. Pigment Yellow 180 (II, Yellow HG-AF-LP 901) 20.0, and II-SO3H 0.8 part showed viscosity at 25° 50.2 mPa×s and particle size 238 nm. An ink comprising the dispersion 22.5, I 20.0, isobornyl acrylate 32.4, and ethoxylated trimethylolpropane triacrylate 15.0 parts was manufd. .