PRODUCTION METHOD OF PAPER BASE MEANT FOR VULCANISING OR PARCHMENTISING Russian patent published in 2008 - IPC D21B1/02 D21C5/02 D21H27/06 D21H27/10 D21H27/24 D21H25/04 

FIELD: textile industry, paper industry.

SUBSTANCE: method (version) relates to production of paper base meant for vulcanising and parchmentising and can be used in paper-pulp industry. The method includes the following stages. Energy radiation of cellulose fiber in dry condition. Grinding and refining of irradiate fiber in aqueous media till homogeneous fiber solution is prepared. Formation of web from prepared fibrous suspension, which is dewatered and dried to prepare paper base. According to another version, after paper web forming paper base is exposed to radiation to decrease polymerisation degree of fiber.

EFFECT: development of clean and economically effective process of paper base production for vulcanising and parchmentising as well as decrease of environmental pollution.

26 cl, 4 tbl, 3 ex