http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4808679-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b051f9f7933c758e66f6ceda5c9fb2cc |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F38-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F38-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-62 |
| filingDate | 1988-01-19^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1989-02-28^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3fd9d86b40f95476563e0a6d44a95d81 |
| publicationDate | 1989-02-28^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-4808679-A |
| titleOfInvention | Process for controlling the molecular weight of poly(trialkylsilylpropyne) polymers |
| abstract | The present invention is a process for polymerizing trialkylsilylacetylene derived monomers to form the corresponding poly(trialkylsilylacetylene) polymer. The polymerization reaction is carried out in the presence of an organic solvent over a catalyst comprising a halide of a transition metal of group Vb or VIb. The molecular weight of the resultant polymer is decreased by adding to the reaction mixture, in a concentration between about 0.5-25 wt. %, a compound having the structural formula ##STR1## wherein each R is independently methyl, C 2-4 alkyl or phenyl, and n is from 1 to 100. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5494989-A |
| priorityDate | 1988-01-19^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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