BRANCHED copolyimide BASED ON 4,5-bis (3-aminophenoxy) phthalic acid AMINOFENOKSIFTALEVYH ACID

摘要

1. vast u0441u043eu043fu043eu043bu0438u0438u043cu0438u0434u044b, u0445u0430u0440u0430u043au0442u0435u0440u0438u0437u0443u044eu0449u0438u0435u0441u00a0 because they are statistically distributed on the u043cu0430u043au0440u043eu043cu043eu043bu0435u043au0443u043bu0435 u0437u0432u0435u043du044c;the structure of the formula (i) u0434u0435u043du0434u0440u0438u0442u043du043eu0439;u0437u0432u0435u043du044cu00a0 linear structures of formulas (ii) and (iii);where r = h, u043eu043au0441u0438u0444u0435u043du0438u043bu044cu043du044bu0439 or n - u043cu043eu0440u0444u043eu043bu0438u043du0438u043bu044cu043du044bu0439 radicals and connectors u0437u0432u0435u043du044cu00a0 structures of formula (iv);2. vast u0441u043eu043fu043eu043bu0438u0438u043cu0438u0434u044b on 1, u0445u0430u0440u0430u043au0442u0435u0440u0438u0437u0443u044eu0449u0438u0435u0441u00a0, ratio of total share of structures (i), (ii) and (iv) to the total proportion of structure (iii) u0441u043eu0441u0442u0430u0432u043bu00a0 et from 0.01 to 0.99: 0.99: 0.01.;3. vast u0441u043eu043fu043eu043bu0438u0438u043cu0438u0434u044b on u043fu043f.1 or 2, u0445u0430u0440u0430u043au0442u0435u0440u0438u0437u0443u044eu0449u0438u0435u0441u00a0 because they received u0441u043eu043fu043eu043bu0438u043au043eu043du0434u0435u043du0441u0430u0446u0438u0435u0439 with simultaneous or subsequent u0446u0438u043au043bu0438u0437u0430u0446u0438u0435u0439 mixture 4,5 bis (3 - amine u043eu0444u0435u043du043eu043au0441u0438) u0444u0442u0430u043bu0435u0432u043eu0439 acid with at least one u0430u043cu0438u043du043eu0444u0435u043du043eu043au0441u0438 u0444u0442u0430u043bu0435u0432u043eu0439 acid selected from u0440u00a0u0434u0430 acids of general formula (v);where y u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a trivalent radical of u0440u00a0u0434u0430 radicals of general chemical structure (vi) or (vii);where r is the u0437u043du0430u0447u0435u043du0438u00a0.;4. vast u0441u043eu043fu043eu043bu0438u0438u043cu0438u0434u044b on p.3, u0445u0430u0440u0430u043au0442u0435u0440u0438u0437u0443u044eu0449u0438u0435u0441u00a0, u043fu043eu043bu0438u043au043eu043du0434u0435u043du0441u0430u0446u0438u00a0 with simultaneous u0446u0438u043au043bu0438u0437u0430u0446u0438u0435u0439 implemented in u0440u0430u0441u043fu043bu0430u0432u0435, at least one u0430u0440u043eu043cu0430u0442u0438u0447 u0435u0441u043au043eu0439 u043cu043eu043du043eu043au0430u0440u0431u043eu043du043eu0432u043eu0439 benzoic acid, preferably at a temperature of 110 - 180u0441.