http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H0673112-A
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_325e8f74339359cd24e45eb790ace68f |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-646 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-658 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F297-08 |
filingDate | 1991-07-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a301b084e3cd7b0791e996aadee6f7a8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e0b41a1f1d198236edfb0bcd8e63bf83 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f6c501630cd2f4997e4fcc8a47c84baf http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_37a1f42693e6660c22697f376bb27bbc http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cd21055ad574aafbd5e1ea960f212a79 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8edc7ea535cbb04409213d72e3e0558f |
publicationDate | 1994-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | JP-H0673112-A |
titleOfInvention | Method for producing block copolymer of propylene |
abstract | (57) [Summary] (Modified) [Objective] To provide a method for obtaining a propylene block copolymer having an excellent balance of impact resistance and rigidity. [Structure] Using a polymerization catalyst comprising the following 1) to 3), A method for producing a block copolymer of propylene, comprising a step (a) of polymerizing propylene to produce a highly crystalline polypropylene and a step (b) of copolymerizing propylene and ethylene. 1) a solid catalyst component containing magnesium, titanium, halogen and an electron donating compound as essential components, 2) an organometallic compound and 3) a general formula: [However, R 1 and R 2 are the same or different hydrocarbon groups, OR 4 , OSiR 5 3 or SiR 6 3 , R 3 is a divalent hydrocarbon group, and R 4 , R 5 and R 6 are each a hydrocarbon group. ] The organosilicon compound represented by these. |
priorityDate | 1991-07-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 516.