Reference

Heat-sensitive ink elements for heat-sensitive nonimpact printers

Heat-sensitive ink elements for heat-sensitive nonimpact printers. (Olivetti, Ing C., e C. S.p.A., Italy). Jpn. Kokai Tokkyo Koho JP 59196295 A2 7 Nov 1984 Showa, 4 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: B41M005-26; B41J031-00; C09D011-02. APPLICATION: JP 84-65048 30 Mar 1984. PRIORITY: IT 83-67353 30 Mar 1983. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Ink elements are prepd. by coating plastic substrates with inks contg. pigments and/or coloring agents, heat-sensitive adhesive resins, and waxes. Thus, 75 g Piccolastic E100 [9003-53-6] and 25 g Lunamelt HS 600 [95328-05-5] were dissolved in toluene 300, iso-BuCOMe 180, and MEK 60 g, ball-milled with Sandorin 2GLS Blue [147-14-8] 3, Graftolo BP Ruby [5281-04-9] 8, and Fat Black HT [95327-70-1] 25 g, mixed with solvents, and coated on a polyethylene [9002-88-4] film to prep. a ribbon giving satisfactory printing at 40 letters/s.

Effect of temperature on the rheology of printing inks from phthalocyanine pigments

Effect of temperature on the rheology of printing inks from phthalocyanine pigments. Aristov, B. G.; Gilyazetdinov, L. P.; Sinitsina, I. N. (NII Organ. Poluprod. Krasitel., Moscow, USSR). Kolloidn. Zh., 47(1), 126-30 (Russian) 1985. CODEN: KOZHAG. ISSN: 0023-2912. DOCUMENT TYPE: Journal CA Section: 42 (Coatings, Inks, and Related Products) The effect of temp. on the rheol. of model printing inks contg. a-Cu phthalocyanine [147-14-8] with various particle shapes and sizes dispersed in the alkyd GFL-2 or rosin-modified phenolic resin-linseed oil varnish 6-04 is discussed. Heating the inks from 20 to 50° decreased their max. (h) and min. (h1) viscosities and increased h/h1, esp. in GFL-2. h/h1 Increased with decreasing pigment particle size (0.52-0.22 m) and was substantially higher for flakes than for needles.