MAGNETIC POLYMER PARTICLES AND MANUFACTURE THEREFOR
PROBLEM TO BE SOLVED: To provide new magnetic polymer particles in which a superparamagnetic material is dispersed in superior manner and a method by which the polymer particles is surely manufactured. SOLUTION: Magnetic polymer particles contain 1-100 pts.wt. superparamagnetic material with respect...
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| creator | KASAI KIYOSHI HAN KAKUN |
| description | PROBLEM TO BE SOLVED: To provide new magnetic polymer particles in which a superparamagnetic material is dispersed in superior manner and a method by which the polymer particles is surely manufactured. SOLUTION: Magnetic polymer particles contain 1-100 pts.wt. superparamagnetic material with respect to 100 pts.wt. copolymer, composed of (A) 30-99 wt.% alkyl (metha)acrylate containing a 4-20C alkyl group, (b) 1-20 wt.% unsaturated carboxylic acid, and (c) 0-69 wt.% monomer which is copolymerizable with the alkyl (metha)acrylate and unsaturated carboxylic acid and is set for a number-average particle diameter of 0.02-30 μm. In a method for manufacturing the magnetic polymer particles, a suspension is obtained by dispersing a monomer composition prepared by dispersing the superparamagnetic material in the monomer containing the alkyl (metha)acrylate at a rate of >=30 wt.% and the monomer is polymerized with the alkyl (metha) acrylate in the suspension. |
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SOLUTION: Magnetic polymer particles contain 1-100 pts.wt. superparamagnetic material with respect to 100 pts.wt. copolymer, composed of (A) 30-99 wt.% alkyl (metha)acrylate containing a 4-20C alkyl group, (b) 1-20 wt.% unsaturated carboxylic acid, and (c) 0-69 wt.% monomer which is copolymerizable with the alkyl (metha)acrylate and unsaturated carboxylic acid and is set for a number-average particle diameter of 0.02-30 μm. In a method for manufacturing the magnetic polymer particles, a suspension is obtained by dispersing a monomer composition prepared by dispersing the superparamagnetic material in the monomer containing the alkyl (metha)acrylate at a rate of >=30 wt.% and the monomer is polymerized with the alkyl (metha) acrylate in the suspension.</description><edition>6</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; ELECTRICITY ; HUMAN NECESSITIES ; HYGIENE ; INDUCTANCES ; MAGNETS ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSFORMERS</subject><creationdate>1998</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981009&DB=EPODOC&CC=JP&NR=H10270233A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981009&DB=EPODOC&CC=JP&NR=H10270233A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KASAI KIYOSHI</creatorcontrib><creatorcontrib>HAN KAKUN</creatorcontrib><title>MAGNETIC POLYMER PARTICLES AND MANUFACTURE THEREFOR</title><description>PROBLEM TO BE SOLVED: To provide new magnetic polymer particles in which a superparamagnetic material is dispersed in superior manner and a method by which the polymer particles is surely manufactured. SOLUTION: Magnetic polymer particles contain 1-100 pts.wt. superparamagnetic material with respect to 100 pts.wt. copolymer, composed of (A) 30-99 wt.% alkyl (metha)acrylate containing a 4-20C alkyl group, (b) 1-20 wt.% unsaturated carboxylic acid, and (c) 0-69 wt.% monomer which is copolymerizable with the alkyl (metha)acrylate and unsaturated carboxylic acid and is set for a number-average particle diameter of 0.02-30 μm. In a method for manufacturing the magnetic polymer particles, a suspension is obtained by dispersing a monomer composition prepared by dispersing the superparamagnetic material in the monomer containing the alkyl (metha)acrylate at a rate of >=30 wt.% and the monomer is polymerized with the alkyl (metha) acrylate in the suspension.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>ELECTRICITY</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>INDUCTANCES</subject><subject>MAGNETS</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSFORMERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD2dXT3cw3xdFYI8PeJ9HUNUghwDAJyfVyDFRz9XBR8Hf1C3RydQ0KDXBVCPFyDXN38g3gYWNMSc4pTeaE0N4Oim2uIs4duakF-fGpxQWJyal5qSbxXgIehgZG5gZGxsaMxMWoAtKsnZA</recordid><startdate>19981009</startdate><enddate>19981009</enddate><creator>KASAI KIYOSHI</creator><creator>HAN KAKUN</creator><scope>EVB</scope></search><sort><creationdate>19981009</creationdate><title>MAGNETIC POLYMER PARTICLES AND MANUFACTURE THEREFOR</title><author>KASAI KIYOSHI ; HAN KAKUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH10270233A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>ELECTRICITY</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>INDUCTANCES</topic><topic>MAGNETS</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSFORMERS</topic><toplevel>online_resources</toplevel><creatorcontrib>KASAI KIYOSHI</creatorcontrib><creatorcontrib>HAN KAKUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KASAI KIYOSHI</au><au>HAN KAKUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC POLYMER PARTICLES AND MANUFACTURE THEREFOR</title><date>1998-10-09</date><risdate>1998</risdate><abstract>PROBLEM TO BE SOLVED: To provide new magnetic polymer particles in which a superparamagnetic material is dispersed in superior manner and a method by which the polymer particles is surely manufactured. SOLUTION: Magnetic polymer particles contain 1-100 pts.wt. superparamagnetic material with respect to 100 pts.wt. copolymer, composed of (A) 30-99 wt.% alkyl (metha)acrylate containing a 4-20C alkyl group, (b) 1-20 wt.% unsaturated carboxylic acid, and (c) 0-69 wt.% monomer which is copolymerizable with the alkyl (metha)acrylate and unsaturated carboxylic acid and is set for a number-average particle diameter of 0.02-30 μm. In a method for manufacturing the magnetic polymer particles, a suspension is obtained by dispersing a monomer composition prepared by dispersing the superparamagnetic material in the monomer containing the alkyl (metha)acrylate at a rate of >=30 wt.% and the monomer is polymerized with the alkyl (metha) acrylate in the suspension.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY HUMAN NECESSITIES HYGIENE INDUCTANCES MAGNETS MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSFORMERS |
| title | MAGNETIC POLYMER PARTICLES AND MANUFACTURE THEREFOR |
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