2,4,5-TRIMETHYLBENZENE-1,3-DICARBALDEHYDE USED AS INTERMEDIATE PRODUCT IN SYNTHESIS OF 2,4,5-TRIMETHYLBENZENE-1,3-DINITRILOXIDE, LOW-TEMPERATURE CURING AGENT FOR RUBBER-BASED POLYMER MATERIALS

摘要

use: as an intermediate u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 u0434u043bu00a0 synthesis of the - u0442u0440u0438u043cu0435u0442u0438u043b - benzene - 1.3 - u0434u0438u043du0438u0442u0440u0438u043bu043eu043au0441u0438u0434u0430 low-temperature u043eu0442u0432u0435u0440u0434u0438u0442u0435u043bu00a0 polymeric materials n and the basis of rubbers. the essence of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0: product u0434u0438u043au0430u0440 - u0431u0430u043bu044cu0434u0435u0433u0438u0434 formula: 2,5,5 - u0442u0440u0438u043cu0435u0442u0438u043bu0431u0435u043du0437u043eu043b - 1.3 - u0434u0438u043au0430u0440u0431u0430u043bu044cu0434u0435u0433u0438u0434. resource u044111u043d1202, u0442.u043fu043b. 70 - 72 & deg; c, u0432u044bu0445u043eu043463%. agent 1: 2,4,5 - u0442u0440u0438u043cu0435 - u0442u0438u043bu0431u0435u043du0437u043eu043b - 1.3 - u0434u0438u043cu0435u0442u0438u043bu0434u0438u043eu043b.agent 2: chromium oxide. u0443u0441u043bu043eu0432u0438u00a0 reaction: u0440u0430u0437u0431u0430u0432u043bu0435u043du043du0430u00a0 u0441u0435u0440u043du0430u00a0 acid, 40 & deg;.