METHOD OF MANUFACTURING THIN PAPER absorbing VOLOHOTRYVKOHO Sanitary or filter FIBERS appointment with milled cotton pulp, bleached sulfite pulp from coniferous wood and sulphate bleached pulp of eucalyptus wood and aspen
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介:
The invention relates to pulp and paper industry and can be used in the production of hygienic sanitary paper purpose or filtering. A method of manufacturing a dressing paper that includes milling processes for cotton pulp, bleached sulphite pulp of coniferous wood, bleached pulp of deciduous wood, of obtaining a fibrous suspension, the introduction of a reinforcing substance, molding paper cloth, its fastening and drying, characterized in that the fibers milled cotton pulp is ground to a grinding degree of 36-46 ° C (fraction I), fibers of sulphite bleached pulp of coniferous wood - up to 29-36 ° C (fraction II), and as sulfate bleached cellulose of deciduous wood use a mixture of fibers of bleached sulfate pulp from wood eucalyptus and bleached pulp from aspen wood by weight ratio. % 55 and 45, respectively, milled together to a degree of grinding 17-23 ° SR (fraction III), and the resulting fractions of fibers are mixed before forming a paper web for the ratio of components, wt. %: cotton cellulose 28 - 32; sulphite bleached pulp from coniferous wood 10 - 20; a mixture of bleached pulp from wood eucalyptus and bleached pulp from aspen wood 52 - 58, but as a reinforcing substance to the fibrous suspension is injected polyvinyl alcohol fiber by weight 0.22-0.28% from absolutely dry fiber.
提供机构:
国家林业和草原科学数据中心
创建时间:
2023-02-12



