| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_afea2aa6f1f892c1456cf7d7a8bc0242 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-60
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-685
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-64 |
| filingDate |
1992-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_651ef067de52a7d8235bc760e03d4f66
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f0948f25fcd176b17a76ebec2a279112
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dc917d4880f92891a40728ef3419834d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7660902414cd805603875a43d7081ebf |
| publicationDate |
1994-07-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-H06199943-A |
| titleOfInvention |
Method for initiating polymerization of α-olefin |
| abstract |
(57) [Abstract] [Purpose] When a polyolefin composed of a solid catalyst component containing titanium and / or vanadium and an organoaluminum compound is used to produce a polyolefin in a gas phase, Provided is a method for starting an operation without generating a sheet-shaped polymer or other abnormalities in the initial stage of polymerization. [Constitution] After filling the reactor with seed polymer, (I) The electrostatic voltage between the polyolefin particles and the ground at the position where the sheet-like polymer can be formed in the reactor is adjusted to zero or a positive value, and then (II) the solid catalyst component and the organoaluminum compound and the olefin are placed. A fixed amount is supplied to start the reaction. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7893180-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10208144-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7652113-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2016523295-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9771439-B2 |
| priorityDate |
1992-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |