http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H11322825-A
Outgoing Links
Predicate | Object |
---|---|
assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7b5bb1602cd83d059041450c2f85fb6 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-642 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-6592 |
filingDate | 1998-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7edc9ea467bb51cb073efea1fb25e892 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b097001f057488b03a32a02b39867242 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_66423e5b475d28bc44e4e2d885f04ecd |
publicationDate | 1999-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | JP-H11322825-A |
titleOfInvention | Olefin polymerization catalyst and method for producing polyolefin |
abstract | (57) Abstract: (modified with) A has a good particle property, polyolefin high activity catalyst providing A small processing moldings fisheye (Gel) (1) M 1 R 1 p (OR 2 ) q X 1 4-pq (R 1 and R 2 are C 1-24 hydrocarbon groups, X 1 is a halogen atom, M 1 is Zr, Ti or Hf, 0 ≦ p ≦ 4, a compound represented by 0 ≦ q ≦ 4, 0 ≦ p + q ≦ 4), (2) Formula M 2 R 3 m (OR 4 ) n X 2 zmn (R 3 , R 4 C 1 to 24 hydrocarbon group, X 2 is a halogen atom, M 2 Is a group I-III element, z is a valence of M 2 , 0 <m ≦ z, 0 ≦ n ≦ z, 0 <m + n ≦ z), (3) An organic compound having two or more conjugated double bonds in a cyclic form, (4) The compressive strength of the organoaluminum compound and (5) silicon oxide silicon oxide particles is St (kgf / m m 2 ), and when the number percent of particles is R (%), Particles having a compression strength distribution of St <0.2 are 0 ≦ R ≦ 15, 0.2 ≦ St ≦ 0.6 particles have 70 ≦ R ≦ 100; 6 <St particles satisfying 0 ≦ R ≦ 15. |
priorityDate | 1998-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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