Class information for:
Level 1: ZIEGLER NATTA CATALYST//ZIEGLER NATTA POLYMERIZATION//ZIEGLER NATTA

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
2362 1                   ZIEGLER NATTA CATALYST//ZIEGLER NATTA POLYMERIZATION//ZIEGLER NATTA 2307

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ZIEGLER NATTA CATALYST authKW 1894694 10% 60% 232
2 ZIEGLER NATTA POLYMERIZATION authKW 690485 5% 40% 126
3 ZIEGLER NATTA authKW 365697 3% 45% 59
4 PROPYLENE POLYMERIZATION authKW 363710 2% 47% 57
5 INTERNAL DONOR authKW 273192 1% 100% 20
6 EXTERNAL DONOR authKW 218553 1% 100% 16
7 SUPPORTED ZIEGLER NATTA CATALYST authKW 187975 1% 81% 17
8 ZIEGLER NATTA CATALYSIS authKW 166455 1% 42% 29
9 MGCL2 SUPPORTED CATALYSTS authKW 131127 1% 80% 12
10 MACROMOLECULAR REACTION ENGINEERING journal 125703 3% 14% 68

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Polymer Science 68662 64% 0% 1481
2 Engineering, Chemical 3177 17% 0% 382
3 Chemistry, Physical 657 14% 0% 326
4 Chemistry, Inorganic & Nuclear 133 4% 0% 87
5 Engineering, Petroleum 58 1% 0% 14
6 Chemistry, Multidisciplinary 16 5% 0% 119
7 Chemistry, Applied 6 1% 0% 30
8 Crystallography 3 1% 0% 23
9 Chemistry, Organic 1 2% 0% 48
10 Microscopy 0 0% 0% 3

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CATALYST MAT RELIANCE TECHNOL 124176 0% 91% 10
2 PROC TECHNOL TWENTE 110641 0% 90% 9
3 HIGH P SURE S 70248 0% 86% 6
4 POLYMERIZAT ENGN 64855 1% 25% 19
5 EDISON 60842 0% 64% 7
6 ENGN POLYOLEFINS 54638 0% 100% 4
7 PHD PROGRAM NANOSCI TECHNOL 54638 0% 100% 4
8 SYNTHET IN PETROCHEM TECHNOL 49170 0% 60% 6
9 G NATTA 48771 0% 36% 10
10 UMR CHIM CATALYSE POLYME PROC C2P2 5265 40979 0% 100% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MACROMOLECULAR REACTION ENGINEERING 125703 3% 14% 68
2 MAKROMOLEKULARE CHEMIE-MACROMOLECULAR CHEMISTRY AND PHYSICS 43374 5% 3% 111
3 MAKROMOLEKULARE CHEMIE-RAPID COMMUNICATIONS 24861 3% 3% 58
4 POLYMER REACTION ENGINEERING 15469 1% 9% 13
5 MACROMOLECULAR CHEMISTRY AND PHYSICS 15449 4% 1% 88
6 JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 12978 5% 1% 125
7 JOURNAL OF APPLIED POLYMER SCIENCE 11236 8% 0% 191
8 POLYMER BULLETIN 8363 3% 1% 67
9 POLIMERY 7795 2% 2% 35
10 VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA A 5949 2% 1% 44

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ZIEGLER NATTA CATALYST 1894694 10% 60% 232 Search ZIEGLER+NATTA+CATALYST Search ZIEGLER+NATTA+CATALYST
2 ZIEGLER NATTA POLYMERIZATION 690485 5% 40% 126 Search ZIEGLER+NATTA+POLYMERIZATION Search ZIEGLER+NATTA+POLYMERIZATION
3 ZIEGLER NATTA 365697 3% 45% 59 Search ZIEGLER+NATTA Search ZIEGLER+NATTA
4 PROPYLENE POLYMERIZATION 363710 2% 47% 57 Search PROPYLENE+POLYMERIZATION Search PROPYLENE+POLYMERIZATION
5 INTERNAL DONOR 273192 1% 100% 20 Search INTERNAL+DONOR Search INTERNAL+DONOR
6 EXTERNAL DONOR 218553 1% 100% 16 Search EXTERNAL+DONOR Search EXTERNAL+DONOR
7 SUPPORTED ZIEGLER NATTA CATALYST 187975 1% 81% 17 Search SUPPORTED+ZIEGLER+NATTA+CATALYST Search SUPPORTED+ZIEGLER+NATTA+CATALYST
8 ZIEGLER NATTA CATALYSIS 166455 1% 42% 29 Search ZIEGLER+NATTA+CATALYSIS Search ZIEGLER+NATTA+CATALYSIS
9 MGCL2 SUPPORTED CATALYSTS 131127 1% 80% 12 Search MGCL2+SUPPORTED+CATALYSTS Search MGCL2+SUPPORTED+CATALYSTS
10 TITANIUM OXIDATION STATES 109277 0% 100% 8 Search TITANIUM+OXIDATION+STATES Search TITANIUM+OXIDATION+STATES

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
1 166 METALLOCENE CATALYSTS//METALLOCENES//ZIRCONOCENE
2 14464 MELT INDEX PREDICTION//GRADE TRANSITION//POLYMERIZATION REACTOR
3 5405 POLYETHYLENE BLENDS//TREF//GEORGE JOSEPHINE BUTLER POLYMER
4 33135 1 2 DIMETHOXYETHANE COMPLEXES//BENZENE DIAMINE CUII COMPLEX//BIS2 HYDROXYBENZYLAMINE
5 10556 FI CATALYSTS//POST METALLOCENE//PHENOXY IMINE LIGAND
6 3888 DYNAMIC VULCANIZATION//THERMOPLASTIC VULCANIZATES//HIGH IMPACT POLYPROPYLENE
7 11079 BUTADIENE POLYMERIZATION//HIGH PERFORMANCE SYNTHET RUBBER//1 3 BUTADIENE POLYMERIZATION
8 11313 PHILLIPS CATALYST//PHILLIPS CROX SIO2 CATALYST//CHROMIUM OXIDE CATALYSTS
9 29166 4 METHYLPENTENE 1//BETA DIKETONES ACETYLACETONATES OF TRANSITION METALS//COPOLYMERICATION
10 15074 CARBENE POLYMERIZATION//FUNCTIONAL POLYOLEFIN//FUNCTIONALIZATION OF POLYOLEFIN

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