Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institutul PolitehnicfiledCriticalInstitutul Politehnic
Priority to RO139393ApriorityCriticalpatent/RO103509B1/en
Publication of RO103509A2publicationCriticalpatent/RO103509A2/en
Publication of RO103509B1publicationCriticalpatent/RO103509B1/en
The process comprises introduction of nitrolignin into the pulp paste, to accelerate grinding and reduce energy costs. The nitrolignin is retained on the surface of the pulp fibres, through precipitation with aluminium sulphate.
RO139393A1989-04-241989-04-24Production method of paper for resistent packages
RO103509B1
(en)
Process for the obtention of poliisoprenes with a high percentage of structural unities 1,2 and 3,4 and its utilization in the production of tyres and deadning stuffs