JP2831410B
A process for the preparation of finely divided, gelatinous, water-swellable copolymers involves copolymerising a) 100 parts by weight of water-soluble, monoethylenically unsaturated monomers, b) from 0.01 to 5 parts by weight of monomers containing at least two ethylenically unsaturated double bond...
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| creator | MANFUREETO NIISUNAA HAINRITSUHI HARUTOMAN SHUTEFUAN UITSUKERU UIRUFURIITO HAIDE |
| description | A process for the preparation of finely divided, gelatinous, water-swellable copolymers involves copolymerising
a) 100 parts by weight of water-soluble, monoethylenically unsaturated monomers,
b) from 0.01 to 5 parts by weight of monomers containing at least two ethylenically unsaturated double bonds, and
c) from 0 to 20 parts by weight of water-insoluble, monoethylenically unsaturated monomers,
in from 20 to 80 % strength by weight aqueous solution in the presence of polymerisation initiators and in the presence of from 0.1 to 10 % by weight, based on the monomers employed in the copolymerisation, of surfactants, the monomers being copolymerised in the presence of first from 0 to 50 % by weight of the amount of surfactants, to a conversion of at least 60 %, the remainder of the surfactants then being added to the reaction mixture, and the copolymerisation being completed and the resultant gel particles being dried. |
| format | Patent |
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a) 100 parts by weight of water-soluble, monoethylenically unsaturated monomers,
b) from 0.01 to 5 parts by weight of monomers containing at least two ethylenically unsaturated double bonds, and
c) from 0 to 20 parts by weight of water-insoluble, monoethylenically unsaturated monomers,
in from 20 to 80 % strength by weight aqueous solution in the presence of polymerisation initiators and in the presence of from 0.1 to 10 % by weight, based on the monomers employed in the copolymerisation, of surfactants, the monomers being copolymerised in the presence of first from 0 to 50 % by weight of the amount of surfactants, to a conversion of at least 60 %, the remainder of the surfactants then being added to the reaction mixture, and the copolymerisation being completed and the resultant gel particles being dried.</description><edition>6</edition><language>eng</language><subject>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 ; THEIR PREPARATION OR CHEMICAL WORKING-UP</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=19981202&DB=EPODOC&CC=JP&NR=2831410B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981202&DB=EPODOC&CC=JP&NR=2831410B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MANFUREETO NIISUNAA</creatorcontrib><creatorcontrib>HAINRITSUHI HARUTOMAN</creatorcontrib><creatorcontrib>SHUTEFUAN UITSUKERU</creatorcontrib><creatorcontrib>UIRUFURIITO HAIDE</creatorcontrib><title>JP2831410B</title><description>A process for the preparation of finely divided, gelatinous, water-swellable copolymers involves copolymerising
a) 100 parts by weight of water-soluble, monoethylenically unsaturated monomers,
b) from 0.01 to 5 parts by weight of monomers containing at least two ethylenically unsaturated double bonds, and
c) from 0 to 20 parts by weight of water-insoluble, monoethylenically unsaturated monomers,
in from 20 to 80 % strength by weight aqueous solution in the presence of polymerisation initiators and in the presence of from 0.1 to 10 % by weight, based on the monomers employed in the copolymerisation, of surfactants, the monomers being copolymerised in the presence of first from 0 to 50 % by weight of the amount of surfactants, to a conversion of at least 60 %, the remainder of the surfactants then being added to the reaction mixture, and the copolymerisation being completed and the resultant gel particles being dried.</description><subject>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODyCjCyMDY0MTRw4mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QgNTkbGxKgBACFRG1I</recordid><startdate>19981202</startdate><enddate>19981202</enddate><creator>MANFUREETO NIISUNAA</creator><creator>HAINRITSUHI HARUTOMAN</creator><creator>SHUTEFUAN UITSUKERU</creator><creator>UIRUFURIITO HAIDE</creator><scope>EVB</scope></search><sort><creationdate>19981202</creationdate><title>JP2831410B</title><author>MANFUREETO NIISUNAA ; HAINRITSUHI HARUTOMAN ; SHUTEFUAN UITSUKERU ; UIRUFURIITO HAIDE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2831410BB23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>MANFUREETO NIISUNAA</creatorcontrib><creatorcontrib>HAINRITSUHI HARUTOMAN</creatorcontrib><creatorcontrib>SHUTEFUAN UITSUKERU</creatorcontrib><creatorcontrib>UIRUFURIITO HAIDE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MANFUREETO NIISUNAA</au><au>HAINRITSUHI HARUTOMAN</au><au>SHUTEFUAN UITSUKERU</au><au>UIRUFURIITO HAIDE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>JP2831410B</title><date>1998-12-02</date><risdate>1998</risdate><abstract>A process for the preparation of finely divided, gelatinous, water-swellable copolymers involves copolymerising
a) 100 parts by weight of water-soluble, monoethylenically unsaturated monomers,
b) from 0.01 to 5 parts by weight of monomers containing at least two ethylenically unsaturated double bonds, and
c) from 0 to 20 parts by weight of water-insoluble, monoethylenically unsaturated monomers,
in from 20 to 80 % strength by weight aqueous solution in the presence of polymerisation initiators and in the presence of from 0.1 to 10 % by weight, based on the monomers employed in the copolymerisation, of surfactants, the monomers being copolymerised in the presence of first from 0 to 50 % by weight of the amount of surfactants, to a conversion of at least 60 %, the remainder of the surfactants then being added to the reaction mixture, and the copolymerisation being completed and the resultant gel particles being dried.</abstract><edition>6</edition><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 THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | JP2831410B |
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