http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0032050-A2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f5ac4493e7295eac08235a6c901f1bc8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ef9bd1ef0e5ef5a700a378eb78f7caea http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ac93f643b44e958763fd1234fe359e3f |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-12 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L83-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-36 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L83-04 |
| filingDate | 1980-12-29^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_46dbc5c0331865c29979d01114147d0b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7789c74963b3deba213f228391855964 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8ecc6c0c6a5e1282e8f2f994f0a3e2f9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fe001b26ac513a7239991b8950611ce4 |
| publicationDate | 1981-07-15^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0032050-A2 |
| titleOfInvention | Polysiloxane Elastomer composition and dispensable precursor therefor |
| abstract | A dispensable precursor composition for highly filled, thermally conductive elastomers that is adapted to fill deep section mold cavities, which composition is an intimate admixture of a first component comprising an olefinically unsaturated crosslinkable polysiloxane and a second component comprising a silyl hydride functional siloxane which composition comprises:n I. 100 parts by weight of the crosslinkable polysiloxane which has a formula:n wherein at least most of the Ra's and Rb's are selected from (A) saturated hydrocarbyl or hydrocarbyloxy groups having a total of 1 to about 10 carbon atoms that are alkyl or aryl or alkyl and aryl and (B) allyl or vinyl groups but wherein up to about 25% of the Rb's may ben wherein at least most of the Rc's and Rd's are selected from (A) and (B) above but up to about 10%ofthe Rd's may contain additional siloxane units with substituents selected from (A) and (B) or still additional siloxane units; and still further wherein (1) the average number of m plus n per polymer molecule is between about 100 and 300 and (2) there is an average total of above about 1.5 but lower than 6 crosslinking sites selected from the vinyl, allyl or vinyl and allyl groups per polymer molecule; II. about 60-500 parts by weight of finely divided particulate comprising:n (A) silica particulate at a weight ratio to the polysiloxane of 1. of between about 0.3 to 2.5:1 wherein the silica particulate comprises:n 1. ground silica having an average particle diameter between about 0.1 and 15 microns; and 2. fumed silica having an average particle diameter between about 0.005 and 0.015 microns; (B) thermally conductive powder at a weight ratio to the polysiloxane of I. of between about 0.3 to 2.5:1; III. a viscosity modifier comprising a silicone oil having a viscosity between about 1000-1,000,000 centistokes at 25°C at a weight ratio to the particulate of II of between about 1:20-1:4 oil to particulate; |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8119758-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1146085-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7601773-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6514428-B2 |
| priorityDate | 1980-01-04^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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