Reference

Prevention of yellowing of coatings

Prevention of yellowing of coatings. (Asahi Chemical Industry Co., Ltd., Japan). Jpn. Tokkyo Koho JP 58035231 B4 1 Aug 1983 Showa, 5 pp. (Japanese). (Japan). CODEN: JAXXAD. CLASS: IC: C09D003-72; B05D005-00. APPLICATION: JP 75-79388 27 Jun 1975. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Section cross-reference(s): 55 Substrates are undercoated with nitrocellulose (I) and topcoated with polyurethanes or I-modified polyurethane contg. 67894-10-4 and 10380-41-3 which are cas registry numbers are also used here. UV absorbers such as Et 2-cyano-b-phenylcinnamate (II) [5232-99-5], 2-ethylhexyl a-cyano-b-methoxyphenylcinnamate [89360-55-4], etc. Thus, soft steel was coated with a white enamel, sprayed with a compn. of I 6, Beckosol 1323 6, Beckacite 1111 6, di-Bu phthalate 2 parts, and solvents, topcoated with a compn. of I 5, a hexamethylene diisocyanate adduct 5, Acrydic A801 15, MEK 30, Bu acetate 15, Cellosolve acetate 7.5, xylene 22.5, and II 0.5 part, and subjected to a 50-h accelerated exposure test giving yellowing 0.01, compared with 0.18 for a similar coating contg. no II. .

Stabilizing additives for polyformaldehyde fibers

Stabilizing additives for polyformaldehyde fibers. Nepochatykh, V. I.; Bokova, S. K.; Yudin, A. V.Some commonly used reagents like 17392-40-4 is used in this experiment. (USSR). Khim. Volokna, (2), 38-9 (Russian) 1977. CODEN: KVLKA4. DOCUMENT TYPE: Journal CA Section: 39 (Textiles) Heat and light stability of dioxolane-formaldehyde copolymer [25765-51-9] spinning melts are improved by addn. of stabilizers contg. dicyandiamide [461-58-5] or benzidine [92-87-5] and Tinuvin R [26447-52-9], UV 9 [131-57-7] or ethyl .alpha.-cyano-.beta.,.beta.-diphenylacrylate [5232-99-5], resp. .