METHOD OF PRODUCING PAPER PULP FOR MAKING NEWSPRINT

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to mass production technology of paper u0434u043bu00a0 u0438u0437u0433u043eu0442u043eu0432u043bu0435u043du0438u00a0 newsprint and u043fu043eu0437u0432u043eu043bu00a0u0435u0442 increase the mechanical strength of the paper.u0440u0430u0437u043cu043eu043bu043eu0442u0443u044e u043du0435u0431u0435u043bu0435u043du0443u044e u0431u0438u0441u0443u043bu044cu0444u0438u0442u043du0443u044e pulp before mixing it with the u0434u0435u0444u0438u0431u0440u0435u0440u043du043eu0439 wood mass process the poly (n, n - dimethyl) - 3.5 - to u043cu0435u0442u0438u043bu0435u043du043fu0438u043fu0435u0440u0438u0434u0438u043du0438u0439 chloride u043eu043bu0438u0447u0435u0441u0442u0432u0435 - 5.00 per 0.02% of the mass of absolute dry pulp, and processing are 20 - 100% cellulose.in this u0434u0435u0444u0438u0431u0440u0435u0440u043du0443u044e u0434u0440u0435u0432u0435u0441u043du0443u044e mass prior to use can process the poly (n, n - dimethyl) - 3.5 - u043cu0435u0442u0438u043bu0435u043du043fu0438u043fu0435u0440u0438u0434u0438u043du0438u0439 chloride of 0.2 to 4.0% of the mass of the absolute but dry wood and processed wood pulp to mix with the raw u0434u0435u0444u0438u0431u0440u0435u0440u043du043eu0439 mass can be subjected to further processing u043du0430u0442u0440 wood u0438u0435u0432u043eu0439 salt copolymer styrene and u0438u0442u0430u043au043eu043du043eu0432u043eu0439 acid number 0.01 - 13.3% or u043bu0438u0433u043du043eu0441u0443u043bu044cu0444u043eu043du0430u0442u043eu043c of 0.27 - 8.00 per% of the mass of absolute dry pulp pre treated. 2 z. s - lu, 4, table 2).