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Absorbent based on non-delignified wood pulp fibres - mixed with hydroxylated polymer, e.g. starch, PVA or guar flour to increase absorbency

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Title:
Absorbent based on non-delignified wood pulp fibres - mixed with hydroxylated polymer, e.g. starch, PVA or guar flour to increase absorbency
Author: DENNIS CHARLES HOLTMAN
Subjects: BABY LINEN ; BANDAGES, DRESSINGS OR ABSORBENT PADS ; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; HANDKERCHIEFS ; HUMAN NECESSITIES ; HYGIENE ; IMPREGNATING OR COATING OF PAPER ; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES ; MEDICAL OR VETERINARY SCIENCE ; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PROSTHESES ; PULP COMPOSITIONS ; SHIRTS ; TEXTILES ; THEIR RELEVANT APPARATUS ; TRANSPORTING ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G ; TREATMENT OR PROTECTION OF EYES OR EARS ; UNDERWEAR ; WEARING APPAREL
Description: Absorbent material consists of a layer of wood pulp fibres (I), which have not been delignified, mixed with 1wt.% or more (1-20, esp. 1-5%) polymer (II) contg. OH gps. (II) is starch, modified starch, a starch deriv., or PVA or guar flour and is mixed uniformly with (I). (I) consists of softwood fibres, pref. from spruce, balsam fir, western hemlock fir, Douglas fir, white fir, southern pine, Loblolly pine (pinus taeda) and/or Caribbean pine, opt. mixed with max. 50wt.% chemical pulp and/or cotton linters. The material can have compressed regions. It is placed between a moisture impermeable backing and moisture permeable cover to form a disposable diaper. The material has great liq. transport and absorbing power and is useful for tampons, sanitary towels, diapers, liners, etc. ON FORME UNE STRUCTURE ABSORBANTE A PARTIR DE FIBRES DE PATE DE BOIS NON DELIGNIFIEE EN MELANGEANT AVEC LES FIBRES DE 1 A 20 EN POIDS D'UN CONSTITUANT POLYMERE HYDROXYLE. LA STRUCTURE ABSORBANTE RESULTANTE A DES CARACTERISTIQUES DE MECHE ET UNE INTEGRITE DE STRUCTURE AMELIOREES.APPLICATION NOTAMMENT AUX COUCHES A USAGE UNIQUE POUR BEBES.
Creation Date: 1981
Language: English;French
Source: esp@cenet

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Absorbent based on non-delignified wood pulp fibres - mixed with hydroxylated polymer, e.g. starch, PVA or guar flour to increase absorbency

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