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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2174 2332 24.6 54%


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
2174 1                   ZIEGLER NATTA CATALYST//ZIEGLER NATTA POLYMERIZATION//ZIEGLER NATTA 2332

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 ZIEGLER NATTA CATALYST authKW 1851643 10% 61% 230
2 ZIEGLER NATTA POLYMERIZATION authKW 651409 5% 40% 123
3 ZIEGLER NATTA authKW 390065 3% 48% 62
4 PROPYLENE POLYMERIZATION authKW 351483 2% 47% 57
5 INTERNAL DONOR authKW 248753 1% 100% 19
6 EXTERNAL DONOR authKW 196384 1% 100% 15
7 SUPPORTED ZIEGLER NATTA CATALYST authKW 180168 1% 81% 17
8 ZIEGLER NATTA CATALYSIS authKW 159540 1% 42% 29
9 MACROMOLECULAR REACTION ENGINEERING journal 126275 3% 14% 67
10 MGCL2 SUPPORTED CATALYSTS authKW 125681 1% 80% 12

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 66739 63% 0% 1471
2 Engineering, Chemical 3741 18% 0% 412
3 Chemistry, Physical 652 14% 0% 327
4 Chemistry, Inorganic & Nuclear 119 4% 0% 85
5 Engineering, Petroleum 68 1% 0% 15
6 Chemistry, Multidisciplinary 21 5% 0% 125
7 Chemistry, Applied 5 1% 0% 30
8 Crystallography 3 1% 0% 23
9 Chemistry, Organic 1 2% 0% 50
10 Microscopy 0 0% 0% 3

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 CATALYST MAT RELIANCE TECHNOL 119019 0% 91% 10
2 PROC TECHNOL TWENTE 106046 0% 90% 9
3 EDISON 76169 0% 73% 8
4 HIGH P SURE S 67330 0% 86% 6
5 POLYMERIZAT ENGN 64716 1% 26% 19
6 ENGN POLYOLEFINS 52369 0% 100% 4
7 SYNTHET IN PETROCHEM TECHNOL 47127 0% 60% 6
8 G NATTA 46745 0% 36% 10
9 PHD PROGRAM NANOSCI TECHNOL 39277 0% 100% 3
10 UMR CHIM CATALYSE POLYME PROC C2P2 5265 39277 0% 100% 3

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 MACROMOLECULAR REACTION ENGINEERING 126275 3% 14% 67
2 MAKROMOLEKULARE CHEMIE-MACROMOLECULAR CHEMISTRY AND PHYSICS 40086 5% 3% 109
3 MAKROMOLEKULARE CHEMIE-RAPID COMMUNICATIONS 22205 2% 3% 56
4 POLYMER REACTION ENGINEERING 14826 1% 9% 13
5 MACROMOLECULAR CHEMISTRY AND PHYSICS 14449 4% 1% 86
6 JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 12827 5% 1% 126
7 JOURNAL OF APPLIED POLYMER SCIENCE 11541 8% 0% 196
8 POLYMER BULLETIN 8002 3% 1% 66
9 POLIMERY 7220 1% 2% 34
10 VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA A 5441 2% 1% 43

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 ZIEGLER NATTA CATALYST 1851643 10% 61% 230 Search ZIEGLER+NATTA+CATALYST Search ZIEGLER+NATTA+CATALYST
2 ZIEGLER NATTA POLYMERIZATION 651409 5% 40% 123 Search ZIEGLER+NATTA+POLYMERIZATION Search ZIEGLER+NATTA+POLYMERIZATION
3 ZIEGLER NATTA 390065 3% 48% 62 Search ZIEGLER+NATTA Search ZIEGLER+NATTA
4 PROPYLENE POLYMERIZATION 351483 2% 47% 57 Search PROPYLENE+POLYMERIZATION Search PROPYLENE+POLYMERIZATION
5 INTERNAL DONOR 248753 1% 100% 19 Search INTERNAL+DONOR Search INTERNAL+DONOR
6 EXTERNAL DONOR 196384 1% 100% 15 Search EXTERNAL+DONOR Search EXTERNAL+DONOR
7 SUPPORTED ZIEGLER NATTA CATALYST 180168 1% 81% 17 Search SUPPORTED+ZIEGLER+NATTA+CATALYST Search SUPPORTED+ZIEGLER+NATTA+CATALYST
8 ZIEGLER NATTA CATALYSIS 159540 1% 42% 29 Search ZIEGLER+NATTA+CATALYSIS Search ZIEGLER+NATTA+CATALYSIS
9 MGCL2 SUPPORTED CATALYSTS 125681 1% 80% 12 Search MGCL2+SUPPORTED+CATALYSTS Search MGCL2+SUPPORTED+CATALYSTS
10 GAS PHASE POLYMERIZATION 106852 1% 41% 20 Search GAS+PHASE+POLYMERIZATION Search GAS+PHASE+POLYMERIZATION

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 MACHADO, F , PINTO, JC , (2011) A SURVEY ON OLEFINS POLYMERIZATION USING HETEROGENEOUS ZIEGLER-NATTA CATALYSTS.POLIMEROS-CIENCIA E TECNOLOGIA. VOL. 21. ISSUE 4. P. 321-334 92 81% 0
2 HASAN, ATMK , FANG, Y , LIU, BP , TERANO, M , (2010) SURFACE ANALYTICAL APPROACH TO TICL3-BASED ZIEGLER-NATTA CATALYSTS COMBINED WITH MICROSTRUCTURE ANALYSIS OF POLYMER.POLYMER. VOL. 51. ISSUE 16. P. 3627-3635 75 89% 6
3 SHEN, XR , FU, ZS , HU, J , WANG, Q , FAN, ZQ , (2013) MECHANISM OF PROPYLENE POLYMERIZATION WITH MGCL2-SUPPORTED ZIEGLER-NATTA CATALYSTS BASED ON COUNTING OF ACTIVE CENTERS: THE ROLE OF EXTERNAL ELECTRON DONOR.JOURNAL OF PHYSICAL CHEMISTRY C. VOL. 117. ISSUE 29. P. 15174-15182 54 100% 18
4 MCKENNA, TF , SOARES, JBP , (2001) SINGLE PARTICLE MODELLING FOR OLEFIN POLYMERIZATION ON SUPPORTED CATALYSTS: A REVIEW AND PROPOSALS FOR FUTURE DEVELOPMENTS.CHEMICAL ENGINEERING SCIENCE. VOL. 56. ISSUE 13. P. 3931 -3949 69 90% 125
5 DUSSEAULT, JJA , HSU, CC , (1993) MGCL2-SUPPORTED ZIEGLER-NATTA CATALYSTS FOR OLEFIN POLYMERIZATION - BASIC STRUCTURE, MECHANISM, AND KINETIC-BEHAVIOR.JOURNAL OF MACROMOLECULAR SCIENCE-REVIEWS IN MACROMOLECULAR CHEMISTRY AND PHYSICS. VOL. C33. ISSUE 2. P. 103-145 89 95% 86
6 NOVOKSHONOVA, LA , ZAKHAROV, VA , (2013) KINETICS OF OLEFIN POLYMERIZATION AND ACTIVE SITES OF HETEROGENEOUS ZIEGLER-NATTA CATALYSTS.POLYOLEFINS: 50 YEARS AFTER ZIEGLER AND NATTA I: POLYETHYLENE AND POLYPROPYLENE. VOL. 257. ISSUE . P. 99 -134 68 67% 7
7 MIKENAS, TB , KOSHEVOY, EI , ZAKHAROV, VA , NIKOLAEVA, MI , (2014) FORMATION OF ISOLATED TITANIUM(III) IONS AS ACTIVE SITES OF SUPPORTED TITANIUM-MAGNESIUM CATALYSTS FOR POLYMERIZATION OF OLEFINS.MACROMOLECULAR CHEMISTRY AND PHYSICS. VOL. 215. ISSUE 18. P. 1707 -1720 45 94% 3
8 TANIIKE, T , TERANO, M , (2013) THE USE OF DONORS TO INCREASE THE ISOTACTICITY OF POLYPROPYLENE.POLYOLEFINS: 50 YEARS AFTER ZIEGLER AND NATTA I: POLYETHYLENE AND POLYPROPYLENE. VOL. 257. ISSUE . P. 81 -97 44 98% 4
9 BRAMBILLA, L , ZERBI, G , PIEMONTESI, F , NASCETTI, S , MORINI, G , (2010) STRUCTURE OF DONOR MOLECULE 9,9-BIS(METHOXYMETHYL)-FLUORENE IN ZIEGLER-NATTA CATALYST BY INFRARED SPECTROSCOPY AND QUANTUM CHEMICAL CALCULATION.JOURNAL OF PHYSICAL CHEMISTRY C. VOL. 114. ISSUE 26. P. 11475-11484 46 96% 22
10 BAZHENOV, A , LINNOLAHTI, M , PAKKANEN, TA , DENIFL, P , LEINONEN, T , (2014) MODELING THE STABILIZATION OF SURFACE DEFECTS BY DONORS IN ZIEGLER-NATTA CATALYST SUPPORT.JOURNAL OF PHYSICAL CHEMISTRY C. VOL. 118. ISSUE 9. P. 4791 -4796 44 92% 5

Classes with closest relation at Level 1


Rank Class id link
1 288 METALLOCENE CATALYSTS//METALLOCENES//ZIRCONOCENE
2 33276 MELT INDEX PREDICTION//FRUIT FLY OPTIMIZATION ALGORITHM//PROPYLENE POLYMERIZATION INDUSTRY
3 9668 HIGH IMPACT POLYPROPYLENE//IMPACT POLYPROPYLENE COPOLYMER//IMPACT COPOLYMER
4 5597 POLYETHYLENE BLENDS//TREF//GEORGE JOSEPHINE BUTLER POLYMER
5 32893 1 2 DIMETHOXYETHANE COMPLEXES//3D TRANSITION METAL COMPLEXES//BENZENE DIAMINE CUII COMPLEX
6 26680 DONGAH ADV TECHNOL//NANO KENAF//POLYMERIZATION FILLING TECHNIQUE
7 11160 1 3 BUTADIENE POLYMERIZATION//HIGH PERFORMANCE SYNTHET RUBBER//DIENE POLYMERIZATION
8 8976 FI CATALYSTS//POST METALLOCENE//PHENOXY IMINE LIGAND
9 17945 SEQUENCE DISTRIBUTION//2D NMR STUDIES//CONFIGURATIONAL SEQUENCES
10 11530 PHILLIPS CATALYST//PHILLIPS CROX SIO2 CATALYST//CHROMIUM OXIDE CATALYSTS

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