Class information for:
Level 1: METALLOCENE CATALYSTS//METALLOCENES//ZIRCONOCENE

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
11 3       CHEMISTRY, INORGANIC & NUCLEAR//ORGANOMETALLICS//JOURNAL OF ORGANOMETALLIC CHEMISTRY 143869
623 2             METALLOCENE CATALYSTS//ETHYLENE POLYMERIZATION//SYNDIOTACTIC POLYSTYRENE 14232
166 1                   METALLOCENE CATALYSTS//METALLOCENES//ZIRCONOCENE 4091

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 METALLOCENE CATALYSTS authKW 1289483 8% 48% 347
2 METALLOCENES authKW 699992 9% 25% 359
3 ZIRCONOCENE authKW 537084 3% 50% 140
4 ETHYLENE POLYMERIZATION authKW 465193 5% 31% 192
5 OLEFIN POLYMERIZATION authKW 404541 3% 39% 136
6 ANSA METALLOCENE authKW 291080 1% 65% 58
7 METHYLALUMINOXANE authKW 246411 2% 41% 79
8 SUPPORTED METALLOCENE authKW 239640 1% 94% 33
9 ANSA ZIRCONOCENE authKW 167946 1% 84% 26
10 CONSTRAINED GEOMETRY CATALYST authKW 157764 1% 79% 26

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Polymer Science 40792 38% 0% 1543
2 Chemistry, Inorganic & Nuclear 29603 30% 0% 1238
3 Chemistry, Organic 11767 25% 0% 1020
4 Chemistry, Multidisciplinary 2149 17% 0% 706
5 Chemistry, Physical 622 11% 0% 464
6 Crystallography 94 2% 0% 80
7 Engineering, Chemical 39 3% 0% 117
8 Chemistry, Applied 18 1% 0% 60
9 Engineering, Petroleum 1 0% 0% 6
10 Microscopy -3 0% 0% 1

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 G NATTA 39597 0% 43% 12
2 PHYS SCI CHEM BIOCHEM 39366 0% 34% 15
3 RIC G NATTA 33527 0% 31% 14
4 DESENVOLVIMENTO ESPECIALIDADES 30808 0% 100% 4
5 EXCELLENCE CATALYSIS CATALYT REACT ENGN 25857 1% 10% 35
6 POLYMERIZAT TECH 24065 0% 63% 5
7 WOLFSON MAT CATALYSIS 24025 1% 13% 25
8 BOREALIS POLYMERS OY 23106 0% 100% 3
9 TECN INFORMAT 21500 0% 31% 9
10 SEKRETARIAT TC 3 17328 0% 75% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ORGANOMETALLICS 85049 13% 2% 540
2 JOURNAL OF ORGANOMETALLIC CHEMISTRY 41661 9% 1% 388
3 MACROMOLECULAR CHEMISTRY AND PHYSICS 38572 5% 3% 185
4 JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 29190 5% 2% 188
5 JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 15279 4% 1% 181
6 MACROMOLECULAR RAPID COMMUNICATIONS 15000 2% 2% 101
7 MACROMOLECULES 12448 6% 1% 254
8 MACROMOLECULAR SYMPOSIA 9661 2% 2% 77
9 MACROMOLECULAR REACTION ENGINEERING 4936 0% 4% 18
10 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 4294 6% 0% 237

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 METALLOCENE CATALYSTS 1289483 8% 48% 347 Search METALLOCENE+CATALYSTS Search METALLOCENE+CATALYSTS
2 METALLOCENES 699992 9% 25% 359 Search METALLOCENES Search METALLOCENES
3 ZIRCONOCENE 537084 3% 50% 140 Search ZIRCONOCENE Search ZIRCONOCENE
4 ETHYLENE POLYMERIZATION 465193 5% 31% 192 Search ETHYLENE+POLYMERIZATION Search ETHYLENE+POLYMERIZATION
5 OLEFIN POLYMERIZATION 404541 3% 39% 136 Search OLEFIN+POLYMERIZATION Search OLEFIN+POLYMERIZATION
6 ANSA METALLOCENE 291080 1% 65% 58 Search ANSA+METALLOCENE Search ANSA+METALLOCENE
7 METHYLALUMINOXANE 246411 2% 41% 79 Search METHYLALUMINOXANE Search METHYLALUMINOXANE
8 SUPPORTED METALLOCENE 239640 1% 94% 33 Search SUPPORTED+METALLOCENE Search SUPPORTED+METALLOCENE
9 ANSA ZIRCONOCENE 167946 1% 84% 26 Search ANSA+ZIRCONOCENE Search ANSA+ZIRCONOCENE
10 CONSTRAINED GEOMETRY CATALYST 157764 1% 79% 26 Search CONSTRAINED+GEOMETRY+CATALYST Search CONSTRAINED+GEOMETRY+CATALYST

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 10556 FI CATALYSTS//POST METALLOCENE//PHENOXY IMINE LIGAND
2 15074 CARBENE POLYMERIZATION//FUNCTIONAL POLYOLEFIN//FUNCTIONALIZATION OF POLYOLEFIN
3 2362 ZIEGLER NATTA CATALYST//ZIEGLER NATTA POLYMERIZATION//ZIEGLER NATTA
4 14775 NORBORNENE//NORBORNENE POLYMERIZATION//POLYNORBORNENE
5 18489 CYCLOPENTADIENYL LIGANDS FUNCTIONALIZED//N FUNCTIONALIZED CYCLOPENTADIENYL//FULVENE COMPLEXES
6 10659 SYNDIOTACTIC POLYSTYRENE//SYNDIOTACTIC//SYNDIOTACTIC POLYSTYRENE SPS
7 2484 ETHYLENE OLIGOMERIZATION//ENGN PLAST//ETHYLENE POLYMERIZATION
8 25546 SYNDIOTACTIC POLYPROPYLENE//TRANS PLANAR MESOPHASE//IPP SPP BLENDS
9 3041 TITANOCENE//ZIRCONACYCLOPENTADIENE//ZIRCONOCENE
10 20279 FE FE BOND//BICYMANTRENYL//LADDER COMPLEXES

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