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Functionalization method of cellulose fibers or textile formation formed at least partially by cellulose fibers, textile formation functionalized in such a manner and active cover for wounds and skin defects
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Title:
Functionalization method of cellulose fibers or textile formation formed at least partially by cellulose fibers, textile formation functionalized in such a manner and active cover for wounds and skin defects
Author:
Wiener Jakub
Subjects:
CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES
;
DISINFECTION, STERILISATION, OR DEODORISATION OF AIR
;
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
;
HUMAN NECESSITIES
;
HYGIENE
;
IMPREGNATING OR COATING OF PAPER
;
LAUNDERING
;
MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
;
MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES
;
MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES
;
MEDICAL OR VETERINARY SCIENCE
;
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
;
NANOTECHNOLOGY
;
PAPER NOT OTHERWISE PROVIDED FOR
;
PAPER-MAKING
;
PERFORMING OPERATIONS
;
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
;
PRODUCTION OF CELLULOSE
;
PULP COMPOSITIONS
;
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
;
TEXTILES
;
TRANSPORTING
;
TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS
;
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
;
TREATMENT OF TEXTILES OR THE LIKE
Description:
U tohoto způsobu se v prvním kroku vlákna nebo textilní útvar přivedou/přivede do kontaktu s roztokem. Ve druhém kroku se z tohoto roztoku zachyceného na vláknech nebo na povrchu a/nebo ve struktuře textilního útvaru tvořeného alespoň částečně celulózovými vlákny odstraní rozpouštědlo nebo se v něm obsažené rozpouštědlo deaktivuje, v důsledku čehož se z roztoku celulózy vysráží celulóza nebo hydrocelulóza. Tato celulóza nebo hydrocelulóza se přitom uloží na povrchu celulózových vláken, a v případě textilního útvaru tvořeného alespoň částečně celulózovými vlákny se uloží do vrstvy na jeho povrchu a/nebo vyplní alespoň některé mezivlákenné prostory na jeho povrchu a/nebo v jeho struktuře. Celulóza zvýší smáčivost těchto celulózových vláken, a tím savost textilního útvaru tvořeného alespoň částečně celulózovými vlákny, a poskytne jim/mu sorpční vlastnosti. Hydrocelulóza jim/mu navíc poskytne antioxidační a redukční vlastnosti. Celulóza a/nebo hydrocelulóza přitom může sloužit také k fixování nanočástic a/nebo mikročástic a/nebo částic alespoň jedné aktivní látky. Vynález se dále týká také textilního útvaru tvořeného alespoň částečně celulózovými vlákny funkcionalizovaného způsobem podle vynálezu. Dále se týká aktivního krytí pro rány nebo kožní defekty, tvořeného textilním útvarem nebo takový funkcionalizovaný textilní útvar obsahuje na svém povrchu určeném pro kontakt s ránou nebo kožním defektem. The invented method according to the present invention is characterized in that in a first step fibers or the textile formation are/is brought into contact with a solution. In the second step solvent is removed from the solution entrapped on the fibers or on the surface and/or in the structure of the textile formation formed at least partially by cellulose fibers or the solvent contained therein is deactivated t. Owing to that, cellulose or hydrocellulose is precipitated from the solution. The precipitated cellulose or hydrocellulose is at the same time deposited on the surface of the cellulose fibers, and in case of a textile formation formed at least partially by cellulose fibers it is laid as a layer on the surface thereof and/or it fills in at least some interfiber spaces on the surface and/or in the structure thereof. The cellulose increases wetting property of these cellulose fibers and thus absorption capacity of the textile formation formed at least partially by cellulose fibers, and provides sorption properties thereto. In addition, the hydrocellulose provides antioxidant and reducing properties thereto. At the same time, the cellulose and/or the hydrocellulose can be also used for fixing nanoparticles and/or microparticles and/or particles of at least one active substance. The invention further relates to a textile formation formed at least partially by the cellulose fibers functionalized by the method according to the present invention. It also relates to an active cover for wounds or skin defects, formed by the textile formation or containing such functionalized textile formation on its surface intended for the contact with a wound or a skin defect.
Creation Date:
2016
Language:
Czech;English
Source:
esp@cenet
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