FR815350A - Procédé de fabrication de la cellulose tirée des tiges des plantes annuelles et destinée à la rayonne viscose et au papier
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Procédé de fabrication de la cellulose tirée des tiges des plantes annuelles et destinée à la rayonne viscose et au papier
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SNIA Viscosa SpA
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SNIA Viscosa SpA
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D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C3/00—Pulping cellulose-containing materials
D21C3/22—Other features of pulping processes
D21C3/222—Use of compounds accelerating the pulping processes
FR815350D1935-12-241936-12-22Procédé de fabrication de la cellulose tirée des tiges des plantes annuelles et destinée à la rayonne viscose et au papier
ExpiredFR815350A
(fr)
Procédé de fabrication de la cellulose alfa à partir des tiges de bambou, en vue de la fabrication des esters de cellulose à la place des pâtes de coton et dérivés
Procédé mécanico-chimique pour obtenir de la semi-cellulose et de la cellulose à partir de la paille de froment, de riz et de plantes annuelles semblables