http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2000072837-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5128cfc84a0fb189fceb3cd240c44493 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F297-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-48 |
| filingDate | 1998-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0f67269fa5ad79fc2d386fc151e11571 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e0fec82c66591aac5e6aedd8e14470fc |
| publicationDate | 2000-03-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2000072837-A |
| titleOfInvention | Method for producing block copolymer using dilithium initiator |
| abstract | (57) [Summary] (Modifications) [Problem] To control a bonding structure of a conjugated diene caused by a polar compound in producing a block copolymer by copolymerizing an aromatic vinyl compound and a conjugated diene using a dilithium initiator. Polymerization method not subject to SOLUTION: A block copolymer is prepared by using a dilithium initiator obtained by reacting a monoorganic lithium compound and a compound having two vinyl groups directly bonded to a benzene ring in a nonpolar hydrocarbon solvent at a molar ratio of 2/1. In the production, a π-complexed compound consisting of a benzene ring compound having a substituent is present in a molar ratio of the π-complexed compound to the monoorganic lithium compound in the range of 1/10 to 1000/1, and the range of −20 to 60 is obtained. A method for producing a block copolymer in which a dilithium compound is synthesized at a temperature of 0 ° C, and the compound is used as an initiator to copolymerize a conjugated diene and an aromatic vinyl compound in a nonpolar hydrocarbon solvent at 0 to 120 ° C. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107614506-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0164758-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2010168344-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-4596724-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006008749-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6613858-B1 |
| priorityDate | 1998-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 81.