SUSTAINED RELEASE STERILIZING BAG

PROBLEM TO BE SOLVED: To improve chemical resistance, solvent resistance and water pressure resistant strength by including sheet-like materials having at least one polyester resin layer formed by condensing a specific wt.% of hard segment and soft segment expressed by respectively specific formulas...

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Bibliographische Detailangaben
Hauptverfasser:	MAEHARA MASASHI, MIYATO MANABU, HARA YUKITSUGU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE IMPREGNATING OR COATING OF PAPER MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve chemical resistance, solvent resistance and water pressure resistant strength by including sheet-like materials having at least one polyester resin layer formed by condensing a specific wt.% of hard segment and soft segment expressed by respectively specific formulas. SOLUTION: A pack is formed of the sheet-like materials having at least one layer of the polyester resin obtd. by condensing 20 to 50 wt.% hard segment expressed by the formula I and 50 to 80 wt.% soft segment expressed by the formula II and a sustained release sterilizable drug is included therein. In the formulas, R1 denotes a bivalent residue after a carboxyl group is removed from arom. carboxylic acid. R2 denotes a bivalent residue after a hydroxyl group is removed from short chain diol; R3 denotes a bivalent residue after a hydroxyl group is removed from polyalkylene glycol of a carbon/oxygen atomic ratio larger than 2.0 and below 4.0. As a result, all of the sustained release property, solvent resistance and dripproof property may be improved.