http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2469047-C2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a4cfa7afd6cf5c784d4bb7ce5195c8f9 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F6-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L53-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-05 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61L27-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F297-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-1535 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-1545 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F255-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F6-005 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F6-003 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F6-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F6-06 |
| filingDate | 2007-05-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2012-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b98a405c576fb5b09a9d100b6b490d0d |
| publicationDate | 2012-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2469047-C2 |
| titleOfInvention | Method of purifying block copolymer (versions) |
| abstract | FIELD: chemistry. n SUBSTANCE: invention describes versions of a method of purifying a block copolymer, involving dissolution a block copolymer in a first solvent system to obtain a first solution, merging the first solution with a second solvent system to obtain a block copolymer precipitated from the mother solution, separating the block copolymer precipitated from the mother solution to obtain a purified block copolymer, adding acetone to the purified block copolymer to obtain a mixture of purified block copolymer and acetone, adding a third solvent system to said mixture of purified block copolymer and acetone, wherein the third system is a precipitant of at least two types of blocks of the purified block copolymer to obtain a mixture of the purified block copolymer and a mixture of solvents, and separating the purified block copolymer from the mixture of solvents to obtain an end purified block copolymer, characterised by that it employs a first solvent system which is capable of dissolving polyisobutene blocks of the block copolymer, and a second solvent system which dissolves the polystyrene terminal block of the block copolymer better than it dissolves the polyisobutene block of the block copolymer. n EFFECT: reduced content of residual monomer in the block copolymer. n 24 cl, 1 tbl, 2 ex |
| priorityDate | 2006-05-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 128.