http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63210132-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1374dd16777534b65ad4422333245af8 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-00 |
| filingDate | 1987-02-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_514308b041c2d6970d7c23438442a148 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_19314f5cddf87636a2ec748ec8068494 |
| publicationDate | 1988-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S63210132-A |
| titleOfInvention | Production of polycarbosilastyrene copolymer |
| abstract | PURPOSE: To obtain the title copolymer excellent in heat resistance and corrosion resistance and useful as a precursor of a silicon carbide (sinter) molding, by mixing a polysilastyrene with a specified metal compound and heating the mixture. n CONSTITUTION: Dichlorodimethylsilane is reacted with dichloromethylphenylsilane in the presence of a metallic sodium catalyst in an inert solvent to obtain a polysilastyrene (A) of formula I (wherein R is -CH 3 or -C 6 H 5 , n is 10W3,000 and X is 0.2W0.9, preferably, 0.3W0.7). Component A is mixed with 0.1W30wt.%, preferably, 1W10wt.%, based on component A, at least one metal compound (B) of formula II (wherein M is Si or Ti, Ti may be replaced by Ti-O-Ti, at least two R groups are lower alkyls or aromatic groups, and the rest are H or may be halogens), e.g., titanium isobutoxide, and this mixture is heated at 180W480°C for 10minW10hr in an inert gas atmosphere or in a vacuum to obtain the title copolymer having an MW of 1,000W50,000 and a molar ratio of the silastyrene bonds to the carbosilane bonds of 7W3/3W7. n COPYRIGHT: (C)1988,JPO&Japio |
| priorityDate | 1987-02-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 27.