SILICONE RUBBER SPONGE COMPOSITION
PROBLEM TO BE SOLVED: To obtain a silicone rubber sponge compsn. which is excellent in foamability, has a uniform and fine cell structure, has a skin layer with a smooth nonsticky surface, and does not need long-time posture by compounding a specific organopolysiloxane with a specific blowing agent...
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| creator | TAKAHASHI MASAHARU SATO TERUKAZU YAGINUMA ATSUSHI |
| description | PROBLEM TO BE SOLVED: To obtain a silicone rubber sponge compsn. which is excellent in foamability, has a uniform and fine cell structure, has a skin layer with a smooth nonsticky surface, and does not need long-time posture by compounding a specific organopolysiloxane with a specific blowing agent and a curative. SOLUTION: This compsn. essentially contains 100 pts.wt. organopolysiloxane represented by the mean compsn. formula: Rn SiO(4-n)/2 (wherein R is an optionally susbtd. monovalent hydrocarbon group; and n is 1.98-2.02) and having at least two alkenyl groups in the molecule, 10-100 pts.wt. reinforcing silica having a specific surface area of 50m /g or higher, 0.01-50 pts.wt. dimethyl 2,2'- azobisisobutylate, 0.1-10 pts.wt. org. peroxide, a catalytic amt. of a platinum catalyst, and 0.01-10 pts.wt. organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in the molecule. |
| format | Patent |
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SOLUTION: This compsn. essentially contains 100 pts.wt. organopolysiloxane represented by the mean compsn. formula: Rn SiO(4-n)/2 (wherein R is an optionally susbtd. monovalent hydrocarbon group; and n is 1.98-2.02) and having at least two alkenyl groups in the molecule, 10-100 pts.wt. reinforcing silica having a specific surface area of 50m /g or higher, 0.01-50 pts.wt. dimethyl 2,2'- azobisisobutylate, 0.1-10 pts.wt. org. peroxide, a catalytic amt. of a platinum catalyst, and 0.01-10 pts.wt. organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in the molecule.</description><edition>6</edition><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; GENERAL PROCESSES OF COMPOUNDING ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; 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=19980407&DB=EPODOC&CC=JP&NR=H1087865A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980407&DB=EPODOC&CC=JP&NR=H1087865A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKAHASHI MASAHARU</creatorcontrib><creatorcontrib>SATO TERUKAZU</creatorcontrib><creatorcontrib>YAGINUMA ATSUSHI</creatorcontrib><title>SILICONE RUBBER SPONGE COMPOSITION</title><description>PROBLEM TO BE SOLVED: To obtain a silicone rubber sponge compsn. which is excellent in foamability, has a uniform and fine cell structure, has a skin layer with a smooth nonsticky surface, and does not need long-time posture by compounding a specific organopolysiloxane with a specific blowing agent and a curative. SOLUTION: This compsn. essentially contains 100 pts.wt. organopolysiloxane represented by the mean compsn. formula: Rn SiO(4-n)/2 (wherein R is an optionally susbtd. monovalent hydrocarbon group; and n is 1.98-2.02) and having at least two alkenyl groups in the molecule, 10-100 pts.wt. reinforcing silica having a specific surface area of 50m /g or higher, 0.01-50 pts.wt. dimethyl 2,2'- azobisisobutylate, 0.1-10 pts.wt. org. peroxide, a catalytic amt. of a platinum catalyst, and 0.01-10 pts.wt. organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in the molecule.</description><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAK9vTxdPb3c1UICnVycg1SCA7w93N3VXD29w3wD_YM8fT342FgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8V4BHoYGFuYWZqaOxkQoAQAQuiKH</recordid><startdate>19980407</startdate><enddate>19980407</enddate><creator>TAKAHASHI MASAHARU</creator><creator>SATO TERUKAZU</creator><creator>YAGINUMA ATSUSHI</creator><scope>EVB</scope></search><sort><creationdate>19980407</creationdate><title>SILICONE RUBBER SPONGE COMPOSITION</title><author>TAKAHASHI MASAHARU ; SATO TERUKAZU ; YAGINUMA ATSUSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH1087865A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKAHASHI MASAHARU</creatorcontrib><creatorcontrib>SATO TERUKAZU</creatorcontrib><creatorcontrib>YAGINUMA ATSUSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKAHASHI MASAHARU</au><au>SATO TERUKAZU</au><au>YAGINUMA ATSUSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SILICONE RUBBER SPONGE COMPOSITION</title><date>1998-04-07</date><risdate>1998</risdate><abstract>PROBLEM TO BE SOLVED: To obtain a silicone rubber sponge compsn. which is excellent in foamability, has a uniform and fine cell structure, has a skin layer with a smooth nonsticky surface, and does not need long-time posture by compounding a specific organopolysiloxane with a specific blowing agent and a curative. SOLUTION: This compsn. essentially contains 100 pts.wt. organopolysiloxane represented by the mean compsn. formula: Rn SiO(4-n)/2 (wherein R is an optionally susbtd. monovalent hydrocarbon group; and n is 1.98-2.02) and having at least two alkenyl groups in the molecule, 10-100 pts.wt. reinforcing silica having a specific surface area of 50m /g or higher, 0.01-50 pts.wt. dimethyl 2,2'- azobisisobutylate, 0.1-10 pts.wt. org. peroxide, a catalytic amt. of a platinum catalyst, and 0.01-10 pts.wt. organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in the molecule.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | SILICONE RUBBER SPONGE COMPOSITION |
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