ELASTOMERIC PARTICULATE COPOLYMER HAVING CORE-SHELL STRUCTURE AND PREPARATION THEREOF
Elastomeric particulate copolymers having a core/shell structure composed of a core (a) comprising an organosilicon polymer and an organopolymeric shell (c) or two shells (b) and (c), the inner shell (b) comprising an organosilicon polymer, and the copolymer being composed of (a) from 0.05 to 95 per...
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| creator | KONRAATO MAUTONAA BERUNBUARUTO DOIPUTSUAA |
| description | Elastomeric particulate copolymers having a core/shell structure composed of a core (a) comprising an organosilicon polymer and an organopolymeric shell (c) or two shells (b) and (c), the inner shell (b) comprising an organosilicon polymer, and the copolymer being composed of (a) from 0.05 to 95 percent by weight, based on the total weight of the copolymer, of a core polymer (R2SiO2/2)x.(RSiO3/2)y.(SiO4/2)z where x=0 to 99.5 mol%, y=0.5 to 100 mol% and z=0 to 50 mol%, (b) from 0 to 94.5 percent by weight, based on the total weight of the copolymer, of a polydialkylsiloxane shell comprising (R2SiO2/2) units, and (c) from 5 to 95 percent by weight, based on the total weight of the copolymer, of a shell comprising an organopolymer of monoolefinically unsaturated monomers, and the particles have a particle size of from 10 to 300 nm and a monomodal particle size distribution having a maximum polydispersity index sigma 2=0.2. The invention furthermore relates to a process for preparing the graft copolymers. The graft copolymers of this invention are particularly suitable for use as modified thermoplastics or for use as additives for modifying polymers. |
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The invention furthermore relates to a process for preparing the graft copolymers. The graft copolymers of this invention are particularly suitable for use as modified thermoplastics or for use as additives for modifying polymers.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>1992</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=19921002&DB=EPODOC&CC=JP&NR=H04277507A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19921002&DB=EPODOC&CC=JP&NR=H04277507A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KONRAATO MAUTONAA</creatorcontrib><creatorcontrib>BERUNBUARUTO DOIPUTSUAA</creatorcontrib><title>ELASTOMERIC PARTICULATE COPOLYMER HAVING CORE-SHELL STRUCTURE AND PREPARATION THEREOF</title><description>Elastomeric particulate copolymers having a core/shell structure composed of a core (a) comprising an organosilicon polymer and an organopolymeric shell (c) or two shells (b) and (c), the inner shell (b) comprising an organosilicon polymer, and the copolymer being composed of (a) from 0.05 to 95 percent by weight, based on the total weight of the copolymer, of a core polymer (R2SiO2/2)x.(RSiO3/2)y.(SiO4/2)z where x=0 to 99.5 mol%, y=0.5 to 100 mol% and z=0 to 50 mol%, (b) from 0 to 94.5 percent by weight, based on the total weight of the copolymer, of a polydialkylsiloxane shell comprising (R2SiO2/2) units, and (c) from 5 to 95 percent by weight, based on the total weight of the copolymer, of a shell comprising an organopolymer of monoolefinically unsaturated monomers, and the particles have a particle size of from 10 to 300 nm and a monomodal particle size distribution having a maximum polydispersity index sigma 2=0.2. The invention furthermore relates to a process for preparing the graft copolymers. The graft copolymers of this invention are particularly suitable for use as modified thermoplastics or for use as additives for modifying polymers.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi0sKwjAQQLNxIeodxgMUih-yHuLURGITppOCq1IkrkQL9f6YhQdw9eDx3lIl8thJuBI7AxFZnEkehcCEGPyteLDYu_ZcBFPVWfIeOuFkJDEBtieITGVEcaEFscQUmrVaPMbnnDc_rtS2ITG2ytN7yPM03vMrf4ZLtPVhp_Wx1rj_p_kCrxUxLw</recordid><startdate>19921002</startdate><enddate>19921002</enddate><creator>KONRAATO MAUTONAA</creator><creator>BERUNBUARUTO DOIPUTSUAA</creator><scope>EVB</scope></search><sort><creationdate>19921002</creationdate><title>ELASTOMERIC PARTICULATE COPOLYMER HAVING CORE-SHELL STRUCTURE AND PREPARATION THEREOF</title><author>KONRAATO MAUTONAA ; BERUNBUARUTO DOIPUTSUAA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH04277507A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>KONRAATO MAUTONAA</creatorcontrib><creatorcontrib>BERUNBUARUTO DOIPUTSUAA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KONRAATO MAUTONAA</au><au>BERUNBUARUTO DOIPUTSUAA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELASTOMERIC PARTICULATE COPOLYMER HAVING CORE-SHELL STRUCTURE AND PREPARATION THEREOF</title><date>1992-10-02</date><risdate>1992</risdate><abstract>Elastomeric particulate copolymers having a core/shell structure composed of a core (a) comprising an organosilicon polymer and an organopolymeric shell (c) or two shells (b) and (c), the inner shell (b) comprising an organosilicon polymer, and the copolymer being composed of (a) from 0.05 to 95 percent by weight, based on the total weight of the copolymer, of a core polymer (R2SiO2/2)x.(RSiO3/2)y.(SiO4/2)z where x=0 to 99.5 mol%, y=0.5 to 100 mol% and z=0 to 50 mol%, (b) from 0 to 94.5 percent by weight, based on the total weight of the copolymer, of a polydialkylsiloxane shell comprising (R2SiO2/2) units, and (c) from 5 to 95 percent by weight, based on the total weight of the copolymer, of a shell comprising an organopolymer of monoolefinically unsaturated monomers, and the particles have a particle size of from 10 to 300 nm and a monomodal particle size distribution having a maximum polydispersity index sigma 2=0.2. The invention furthermore relates to a process for preparing the graft copolymers. The graft copolymers of this invention are particularly suitable for use as modified thermoplastics or for use as additives for modifying polymers.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | ELASTOMERIC PARTICULATE COPOLYMER HAVING CORE-SHELL STRUCTURE AND PREPARATION THEREOF |
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