THERMALLY RESPONSIVE POLYMER DERIVATIVE SIMULTANEOUSLY HAVING LOWER LIMIT CRITICAL TEMPERATURE AND UPPER LIMIT CRITICAL TEMPERATURE
PROBLEM TO BE SOLVED: To obtain a thermally responsive polymer which has an especially wide application area such as a drug delivery system (DDS), various separating agents, a catheter, an artificial muscle, and so on, and simultaneously has a lower limit critical temperature (LCST) and an upper lim...
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| creator | ONISHI TOKUYUKI KATAOKA KAZUNORI UENO KATSUHIKO |
| description | PROBLEM TO BE SOLVED: To obtain a thermally responsive polymer which has an especially wide application area such as a drug delivery system (DDS), various separating agents, a catheter, an artificial muscle, and so on, and simultaneously has a lower limit critical temperature (LCST) and an upper limit critical temperature (UCST). SOLUTION: The thermally responsive copolymer simultaneously has the lower limit critical temperature and the upper limit critical temperature, which is the thermally responsive copolymer containing a monomer component having a lower limit critical temperature and a monomer component having an upper limit critical temperature as copolymerization components, and is characterized in that the monomer component having the lower limit critical temperature is N-isopropyl acrylamide, and the monomer component having the upper limit critical temperature is N-acetyl acrylamide. Furthermore, the thermally responsive copolymer preferably contains a hydrophilic or hydrophobic monomer as a copolymerization component. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The thermally responsive copolymer simultaneously has the lower limit critical temperature and the upper limit critical temperature, which is the thermally responsive copolymer containing a monomer component having a lower limit critical temperature and a monomer component having an upper limit critical temperature as copolymerization components, and is characterized in that the monomer component having the lower limit critical temperature is N-isopropyl acrylamide, and the monomer component having the upper limit critical temperature is N-acetyl acrylamide. Furthermore, the thermally responsive copolymer preferably contains a hydrophilic or hydrophobic monomer as a copolymerization component. 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SOLUTION: The thermally responsive copolymer simultaneously has the lower limit critical temperature and the upper limit critical temperature, which is the thermally responsive copolymer containing a monomer component having a lower limit critical temperature and a monomer component having an upper limit critical temperature as copolymerization components, and is characterized in that the monomer component having the lower limit critical temperature is N-isopropyl acrylamide, and the monomer component having the upper limit critical temperature is N-acetyl acrylamide. Furthermore, the thermally responsive copolymer preferably contains a hydrophilic or hydrophobic monomer as a copolymerization component. 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SOLUTION: The thermally responsive copolymer simultaneously has the lower limit critical temperature and the upper limit critical temperature, which is the thermally responsive copolymer containing a monomer component having a lower limit critical temperature and a monomer component having an upper limit critical temperature as copolymerization components, and is characterized in that the monomer component having the lower limit critical temperature is N-isopropyl acrylamide, and the monomer component having the upper limit critical temperature is N-acetyl acrylamide. Furthermore, the thermally responsive copolymer preferably contains a hydrophilic or hydrophobic monomer as a copolymerization component. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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 PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | THERMALLY RESPONSIVE POLYMER DERIVATIVE SIMULTANEOUSLY HAVING LOWER LIMIT CRITICAL TEMPERATURE AND UPPER LIMIT CRITICAL TEMPERATURE |
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