URETHANE PREPOLYMER, ADHESIVE, SKIN PATCH MATERIAL, ADHESIVE TAPE, WEARABLE DEVICE, AND WEARABLE DEVICE KIT
To provide a polyurethane prepolymer whereby a pressure-sensitive adhesive having excellent moisture permeability and also having both low adhesion to skin and high adhesion to a substrate can be obtained, a pressure-sensitive adhesive, an adhesive skin patch, a pressure-sensitive adhesive tape, a w...
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| creator | WADA, Hiroshi NAKAMURA, Makito SUZUKI, Chitoshi KAWASAKI, Haru SHIMOMA, Hitoshi |
| description | To provide a polyurethane prepolymer whereby a pressure-sensitive adhesive having excellent moisture permeability and also having both low adhesion to skin and high adhesion to a substrate can be obtained, a pressure-sensitive adhesive, an adhesive skin patch, a pressure-sensitive adhesive tape, a wearable device and a wearable device kit.A hydroxy group-terminated polyurethane prepolymer which is obtained by reacting an oxyalkylene polymer A having an average number of hydroxy groups per molecule of from 2.1 to 3, an oxyalkylene polymer B having one hydroxy group per molecule, and a diisocyanate compound, wherein the number average molecular weight of the oxyalkylene polymer B is at least 5,000, and the content of ethylene oxide units in the hydroxy group-terminated polyurethane prepolymer is more than 10 mass%, a pressure-sensitive adhesive, an adhesive skin patch, a pressure-sensitive adhesive tape, a wearable device and a wearable device kit. |
| format | Patent |
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| language | eng ; fre ; ger |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMISTRY COMPOSITIONS BASED THEREON DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DYES FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PAINTS POLISHES PROSTHESES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OR PROTECTION OF EYES OR EARS USE OF MATERIALS AS ADHESIVES |
| title | URETHANE PREPOLYMER, ADHESIVE, SKIN PATCH MATERIAL, ADHESIVE TAPE, WEARABLE DEVICE, AND WEARABLE DEVICE KIT |
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