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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
288 3724 38.7 72%


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
5 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1745167
533 3       METALLOCENE CATALYSTS//ETHYLENE POLYMERIZATION//METATHESIS 19571
562 2             METALLOCENE CATALYSTS//ETHYLENE POLYMERIZATION//SYNDIOTACTIC POLYSTYRENE 14488
288 1                   METALLOCENE CATALYSTS//METALLOCENES//ZIRCONOCENE 3724

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 METALLOCENE CATALYSTS authKW 1187697 9% 45% 321
2 METALLOCENES authKW 747993 10% 26% 356
3 ZIRCONOCENE authKW 575821 4% 51% 139
4 ETHYLENE POLYMERIZATION authKW 420424 5% 29% 174
5 ANSA METALLOCENE authKW 299223 2% 64% 57
6 OLEFIN POLYMERIZATION authKW 277534 3% 32% 107
7 SUPPORTED METALLOCENE authKW 246893 1% 94% 32
8 METHYLALUMINOXANE authKW 212924 2% 37% 71
9 ANSA ZIRCONOCENE authKW 157387 1% 80% 24
10 ZIRCONIUM authKW 155249 6% 8% 235

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Polymer Science 34982 37% 0% 1367
2 Chemistry, Inorganic & Nuclear 27475 31% 0% 1145
3 Chemistry, Organic 11081 25% 0% 948
4 Chemistry, Multidisciplinary 2045 18% 0% 654
5 Chemistry, Physical 596 12% 0% 429
6 Crystallography 95 2% 0% 76
7 Engineering, Chemical 37 3% 0% 107
8 Chemistry, Applied 15 1% 0% 53
9 Engineering, Petroleum 0 0% 0% 5
10 Materials Science, Textiles -2 0% 0% 1

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 G NATTA 42146 0% 43% 12
2 RIC G NATTA 36498 0% 32% 14
3 DESENVOLVIMENTO ESPECIALIDADES 32791 0% 100% 4
4 EXCELLENCE CATALYSIS CATALYT REACT ENGN 28385 1% 10% 35
5 WOLFSON MAT CATALYSIS 25574 1% 13% 25
6 BOREALIS POLYMERS OY 24593 0% 100% 3
7 POLYMERIZAT TECH 18734 0% 57% 4
8 SEKRETARIAT TC 3 18443 0% 75% 3
9 QUIM INORGAN ORGAN BIOQUIM 17557 1% 8% 28
10 MAT CATALYSIS 16844 0% 17% 12

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ORGANOMETALLICS 73515 13% 2% 484
2 JOURNAL OF ORGANOMETALLIC CHEMISTRY 42959 10% 1% 380
3 MACROMOLECULAR CHEMISTRY AND PHYSICS 35436 5% 3% 170
4 JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 26301 5% 2% 173
5 MACROMOLECULAR RAPID COMMUNICATIONS 13631 2% 2% 92
6 JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 11616 4% 1% 152
7 MACROMOLECULAR SYMPOSIA 9325 2% 2% 73
8 MACROMOLECULES 8446 5% 1% 202
9 MACROMOLECULAR REACTION ENGINEERING 4482 0% 3% 16
10 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 3696 6% 0% 212

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 METALLOCENE CATALYSTS 1187697 9% 45% 321 Search METALLOCENE+CATALYSTS Search METALLOCENE+CATALYSTS
2 METALLOCENES 747993 10% 26% 356 Search METALLOCENES Search METALLOCENES
3 ZIRCONOCENE 575821 4% 51% 139 Search ZIRCONOCENE Search ZIRCONOCENE
4 ETHYLENE POLYMERIZATION 420424 5% 29% 174 Search ETHYLENE+POLYMERIZATION Search ETHYLENE+POLYMERIZATION
5 ANSA METALLOCENE 299223 2% 64% 57 Search ANSA+METALLOCENE Search ANSA+METALLOCENE
6 OLEFIN POLYMERIZATION 277534 3% 32% 107 Search OLEFIN+POLYMERIZATION Search OLEFIN+POLYMERIZATION
7 SUPPORTED METALLOCENE 246893 1% 94% 32 Search SUPPORTED+METALLOCENE Search SUPPORTED+METALLOCENE
8 METHYLALUMINOXANE 212924 2% 37% 71 Search METHYLALUMINOXANE Search METHYLALUMINOXANE
9 ANSA ZIRCONOCENE 157387 1% 80% 24 Search ANSA+ZIRCONOCENE Search ANSA+ZIRCONOCENE
10 ZIRCONIUM 155249 6% 8% 235 Search ZIRCONIUM Search ZIRCONIUM

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 RESCONI, L , CAVALLO, L , FAIT, A , PIEMONTESI, F , (2000) SELECTIVITY IN PROPENE POLYMERIZATION WITH METALLOCENE CATALYSTS.CHEMICAL REVIEWS. VOL. 100. ISSUE 4. P. 1253 -1345 302 78% 1002
2 BRINTZINGER, HH , FISCHER, D , MULHAUPT, R , RIEGER, B , WAYMOUTH, RM , (1995) STEREOSPECIFIC OLEFIN POLYMERIZATION WITH CHIRAL METALLOCENE CATALYSTS.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. VOL. 34. ISSUE 11. P. 1143 -1170 256 62% 2525
3 WANG, BQ , (2006) ANSA-METALLOCENE POLYMERIZATION CATALYSTS: EFFECTS OF THE BRIDGES ON THE CATALYTIC ACTIVITIES.COORDINATION CHEMISTRY REVIEWS. VOL. 250. ISSUE 1-2. P. 242 -258 189 98% 135
4 SEVERN, JR , CHADWICK, JC , DUCHATEAU, R , FRIEDERICHS, N , (2005) "BOUND BUT NOT GAGGED " - IMMOBILIZING SINGLE-SITE ALPHA-OLEFIN POLYMERIZATION CATALYSTS.CHEMICAL REVIEWS. VOL. 105. ISSUE 11. P. 4073-4147 305 52% 292
5 CHEN, EYX , MARKS, TJ , (2000) COCATALYSTS FOR METAL-CATALYZED OLEFIN POLYMERIZATION: ACTIVATORS, ACTIVATION PROCESSES, AND STRUCTURE-ACTIVITY RELATIONSHIPS.CHEMICAL REVIEWS. VOL. 100. ISSUE 4. P. 1391 -1434 179 62% 1326
6 ZIJLSTRA, HS , HARDER, S , (2015) METHYLALUMOXANE - HISTORY, PRODUCTION, PROPERTIES, AND APPLICATIONS.EUROPEAN JOURNAL OF INORGANIC CHEMISTRY. VOL. . ISSUE 1. P. 19 -43 134 76% 12
7 GRIMMER, NE , COVILLE, NJ , (2001) THE DESIGN OF GROUP 4 CYCLOPENTADIENYL, OLEFIN-POLYMERISATION CATALYSTS.SOUTH AFRICAN JOURNAL OF CHEMISTRY-SUID-AFRIKAANSE TYDSKRIF VIR CHEMIE. VOL. 54. ISSUE . P. 1 -112 239 71% 3
8 BRAUNSCHWEIG, H , BREITLING, FM , (2006) CONSTRAINED GEOMETRY COMPLEXES - SYNTHESIS AND APPLICATIONS.COORDINATION CHEMISTRY REVIEWS. VOL. 250. ISSUE 21-22. P. 2691-2720 189 60% 157
9 BOCHMANN, M , (2010) THE CHEMISTRY OF CATALYST ACTIVATION: THE CASE OF GROUP 4 POLYMERIZATION CATALYSTS.ORGANOMETALLICS. VOL. 29. ISSUE 21. P. 4711-4740 131 68% 126
10 THEURKAUFF, G , BADER, M , MARQUET, N , BONDON, A , ROISNEL, T , GUEGAN, JP , AMAR, A , BOUCEKKINE, A , CARPENTIER, JF , KIRILLOV, E , (2016) DISCRETE IONIC COMPLEXES OF HIGHLY ISOSELECTIVE ZIRCONOCENES. SOLUTION DYNAMICS, TRIMETHYLALUMINUM ADDUCTS, AND IMPLICATIONS IN PROPYLENE POLYMERIZATION.ORGANOMETALLICS. VOL. 35. ISSUE 2. P. 258 -276 94 89% 2

Classes with closest relation at Level 1


Rank Class id link
1 14781 SYNDIOTACTIC POLYSTYRENE//SYNDIOSPECIFIC POLYMERIZATION//DIPHENYLZINC
2 8976 FI CATALYSTS//POST METALLOCENE//PHENOXY IMINE LIGAND
3 18553 CYCLOPENTADIENYL LIGANDS FUNCTIONALIZED//FULVENE COMPLEXES//N FUNCTIONALIZED CYCLOPENTADIENYL
4 2174 ZIEGLER NATTA CATALYST//ZIEGLER NATTA POLYMERIZATION//ZIEGLER NATTA
5 12258 NORBORNENE//NORBORNENE POLYMERIZATION//POLYNORBORNENE
6 13253 BUTADIENEZIRCONOCENE//FULVALENE LIGANDS//IMINOACYL COMPLEXES
7 15531 CARBENE POLYMERIZATION//FUNCTIONAL POLYOLEFIN//POLYHOMOLOGATION
8 2744 ETHYLENE OLIGOMERIZATION//ENGN PLAST//ETHYLENE POLYMERIZATION
9 23855 SYNDIOTACTIC POLYPROPYLENE//TRANS PLANAR MESOPHASE//IPP SPP BLENDS
10 22240 FE FE BOND//BICYMANTRENYL//LADDER COMPLEXES

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