Reference

Polyazo dyes for liquid crystals

Polyazo dyes for liquid crystals. (Nippon Kayaku Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59024756 A2 8 Feb 1984 Showa, 7 pp. (Japanese). (Japan).In this article, certain chemicals are used. One of their cas registry numbers is 90336-21-3 CODEN: JKXXAF. CLASS: IC: C09B031-30. APPLICATION: JP 82-134973 2 Aug 1982. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) The title dyes contg. cinnamate ester groups were prepd. Thus, Bu 4-aminocinnamate [90336-21-3] has diazotized and coupled with Na N-methylaniline-w-sulfonate [26021-90-9], and the coupling product was treated with 10% aq. NaOH at 80° for 1 h to give p-BuO2CCH:CHC6H4N:NC6H4NH2-p [90336-28-0] which was then diazotized and coupled with PhNEt2 [91-66-7] to give dark red I [90336-27-9], lmax 498 nm, having dichroic ratio (in E-7 liq. crystal) 12.5. .

Corrosion inhibition of carbon steel in a solution containing 32

Corrosion inhibition of carbon steel in a solution containing 32.7 g sodium chloride l-1 by aniline and its derivatives. El-Sobki, K. M.; Sanad, S. H.; Abbas, H.; Ismail, A. A. (Lab. Electrochem., Natl. Res. Cent., Cairo, Egypt). Surf. Technol., 22(3), 273-9 (English) 1984. CODEN: SUTED8. ISSN: 0376-4583. DOCUMENT TYPE: Journal CA Section: 72 (Electrochemistry) Section cross-reference(s): 55 The inhibiting action of aniline [62-53-3], N-ethylaniline [103-69-5], and N,N-diethylaniline [91-66-7] against the corrosion of C steel in a soln. contg. 32.7 g NaCl L-1 at ambient temp. was studied by a technique involving wt. loss and rapid polarization measurements. Tafel lines for the anodic and cathodic processes were obtained, which can be used to interpret the mechanism of the inhibitor action. The percentage inhibition increases in the following order: N,N-diethylaniline < N-ethylaniline < aniline.