Reference

Hydroxyaryl sulfide for combatting dandruff

Hydroxyaryl sulfide for combatting dandruff. Konrad, Eugen; Mager, Herbert; Roethlisberger, Rudi (Wella A.-G., Fed. Rep. Ger.). Ger. Offen. DE 3330623 A1 14 Mar 1985, 10 pp. (German). (Germany). CODEN: GWXXBX. CLASS: ICM: A61K031-10. ICS: A61K007-00. APPLICATION: DE 83-3330623 25 Aug 1983. DOCUMENT TYPE: Patent CA Section: 63 (Pharmaceuticals) Section cross-reference(s): 62 Dandruff is controlled by I, where R and R' are H or OH, formulated at 0.2-3% by wt. in hair tonics, shampoos, rinses, or dyes. I are sol. in H2O and aq. alc. A shampoo contained 2,2',4,4'-tetrahydroxydiphenyl sulfide [97-29-0] 2, NaCl 3, 28% Na lauryl ether sulfate 40, and H2O 55g.

Heat-stabilized neoprene rubber vulcanizates

Heat-stabilized neoprene rubber vulcanizates. Kato, Hiroshi; Hisada, Eiji (Dainichi Nippon Cables, Ltd., Japan). Japan. Kokai JP 51123249 27 Oct 1976 Showa, 6 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C08L011-00. APPLICATION: JP 75-47902 18 Apr 1975. DOCUMENT TYPE: Patent CA Section: 38 (Elastomers, Including Natural Rubber) Neoprene rubber is vulcanized in the presence of metal oxides, S or S donors, diphenyl sulfides having .gtoreq.2 OH grops/mol., and 1-carboxytriphenylmethanol lactone derivs. to give heat-stabilized vulcanizates. Thus, a compn. of neoprene rubber 10, stearic acid 1, clay 60, carbon black 25, process oil 10, 1-carboxy-4,4',4''-tris(dimethylamino)triphenylmethanol lactone (I) [1552-42-7] 1, 2,2',4,4'-tetrahydroxydiphenyl sulfide (II) [97-29-0] 1, N-cyclohexyl-2-benzothiazolesulfenamide (III) [95-33-0] 0.Several reagents such as 137-26-8 is used here.5, ZnO 5, and MgO 5 parts had rheomer torques at 150.degree. 24, 36, and 42 kg-cm in 5, 15, and 20 min, resp., and vulcanizate (45 min, at 150.degree. and 100 kg/cm2) properties of 200% modulus 0.75 kg/mm2, tensile strengths 1.73 and 1.69 kg/mm2 before and after 48 h of aging at 120.degree., resp., elongations 520 and 340%, resp., and hardness 63 and 74, resp., compared with 12, 26, 29, 0.60, 1.46, 1.30, 510, 290, 63, and 76, resp., for a similar compn. contg. 3 parts phenyl-.beta.-naphthylamine and 1.5 parts dicatechol borate di-o-tolylguanidine salt in place of I, II, and III. .