Elastomer Stereospecific Polymerization

Flory's theory for crystallization of. C. Car parking correction. 94. Catalyst aging. 12 complexes, optical properties of. ... 64. fromAKCoHshCl. 25. ...
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INDEX

Downloaded by 95.110.158.209 on May 31, 2018 | https://pubs.acs.org Publication Date: January 1, 1966 | doi: 10.1021/ba-1966-0052.ix001

A Activation energy 3 Activation entropy 3 Activator 124 Addition polymerization 1 Aldehyde polymer gel points 76 Aldehydes, polymerization of higher.. 67 Aliphatic solvents 26 Alkylaluminum cocatalysts 7 compounds 126, 137 -titanium tetrachloride catalysts. . . 6 Aluminum organic compounds 73 AI(COHÔ) T i tetramenthoxide 28 AlEt, 115, 117 AlEtoCl

AlEtClo AlEtoOEt A l E t O E t C l activator Alkyllithium Amorphous polypropylene Aromatic solvents Association phenomena Atactic polyacetaldehyde

117,139

142 122, 147 124 36, 37 130 26 40 68

Β

Branched aluminum compounds 10 Brown TiCI, 16 Butadiene 2, 36, 136 polymerization 50 effect of cobalt salt on 62 Butyllithium 120 C Car parking correction Catalyst aging complexes, optical properties of. . . . fromAKCoHshCl

94 12 64 25

fromAl(C,H )Cl2 25 fromAl (C H ) Cl3 25 Catalytic activity 144 Cationic initiators 68, 73 Chain conformations of cis-1,4polypentadienes 31 Chain growth mechanism 2 Chain initiation in benzene 38 Chain initiation in cyclohexane 38 Chain propagation 40 Classifying stereoregular polymers. .. 81

Cobalt catalysts 25, 31, 53, 148 structure 59 Cobalt naphthenate 62, 148 catalyst 56 Cobalt salt on butadiene polymeriza­ tion, effect of 62 Coordination catalysts 46 Copolymerization of monomer pairs.. 43 Crystallization of copolymers, Flory's theory 90 efficiency 94 polymerization 69 rates 89 Crystallinity of polymers 117 Crystallinity of polypropylene 133 Cyclized rubber 146, 150 Cyclohexane 43 D Diene polymerization, electron donors in Dienes

2

2

Ε

Efficiency of crystallization Elastomeric polyacetaldehyde Electron donors in diene polymeriza­ tion End-capping Entropy of activation

94 68 46 70 3

F

Flory's theory for crystallization of copolymers Frequency factor

90 3

G Gel points of aldehyde polymers

5

2

46

76

H

s s

Hoekstra viscosities Hoekstra (Wallace) plastometer Homopolymerization Improper rotation Inherent viscosity Initiators

I

153

Johnson and Goodman; Elastomer Stereospecific Polymerization Advances in Chemistry; American Chemical Society: Washington, DC, 1966.

137 137 44 81 76 71

ELASTOMER STEREOSPECIFIC POLYMERIZATION

154 Isoprene (hexane) system polymerization Isotactic placement polyaldehydes poly-n-butyraldehyde cis- 1,4-polypentadiene irans-l,4-polypentadiene polypropylene oxide triad

2, 36,136 2 6, 9, 50 83 68 76 24 24 81 90

L

Downloaded by 95.110.158.209 on May 31, 2018 | https://pubs.acs.org Publication Date: January 1, 1966 | doi: 10.1021/ba-1966-0052.ix001

Limiting viscosity number Living polymer systems

117 37

M Markov chain 85, 89 Melting points of polyaldehydes 78 Metal-carbon bonds 58, 63 Methylpentene-1 105 Microstructure of polyisoprenes 43 Model for stereoregular structure of a polymer molecule 89 Models for stereospecific polymeriza­ tion 34 Molecular weight of polybutadiene... 148 Morphology of crystalline aggregates. 89 Ν

3

4

4 3

36

Ο Oligomers Optical properties of catalyst com­ plexes Optically active polyaldehydes Organoalkali compounds Organolithium Organometallic polymerization

144 64 77 2 2 1

Ρ

24 67 68 70 76 77 24, 139 70 24, 139 43 9 41 25 67

105 36 115 24 36 115 89 24 29 130 133 142 42 71 7 80 83 3 52 4 81 88

R

Radical polymerization Reduction of T i C l Repetition theory in stereoregular polymers, symmetry and Rubber-solvent interaction 4

N M R spectra :···;·· Nonpolar monomers, polymerization mechanism of

1,3-Pentadiene Polyacetaldehyde elastomeric thermal stability of Polyaldehyde solubility Polyaldehydes, optically active Polybutadiene Poly-M-butyraldehyde Polyisoprene microstructure cis-1,4-Polyisoprene Polyisoprenyllithium Polymerization of higher aldehydes

Polymerization (continued) kinetics mechanism of nonpolar monomers. ofa-oleflns of 1,3-pentadiene to cis-1,4 stereo­ isomers of vinyl monomers Polymerizing propylene Polymer molecule, model for stereo­ regular structure of a Polypentadiene cis-1,4-Polypentadienes Polypropylene amorphous crystallinity of oxide Polystyryllithium Potassium triphenylmethoxide Preformed R A l - T i C l catalysts Probability models for stereosequence length stereostructure Propagation rate constants Propagation velocities Propene polymerization Proper rotation Propylene oxide polymers

69 116 80 151

S Separated catalysts 13 Solubility of polyaldehydes 76 Stepwise additions 2 Stereoisomerism 80 in polymers 80 Stereoregular polymers, symmetry and repetition theory in 80 Stereoregular structure of a polymer molecule, model for... 89 of polypropylene oxide 82 Stereoregularity 89 Stereosequence distribution 83 Stereosequence length 81, 88 distribution in crystalline fractions. 88 effect on crystallization kinetics and morphology 95 of propylene oxide polymers 91 in stereoregular polymers 89 Stereospecificity 2,43 for cis-1,4 polymerization 21 Styrene 36 (benzene) system 2 Substituents attached to aluminum. 6 Symmetry and repetition theory in stereoregular polymers 80 Syndiotactic placement 83 Syndiotactic cis-l,4-polypentadiene. . 24

Johnson and Goodman; Elastomer Stereospecific Polymerization Advances in Chemistry; American Chemical Society: Washington, DC, 1966.

155

INDEX Τ

Temperature dependence of percent crystallinity 94 Temperature on polymerization, in­ fluence of 123,126 Tetrahydrofuran 2, 42 Thermal stability of polyacetalde­ hyde 70 a-TiCl —A1(C H ) C1 catalyst sys­ tem 107 0-TiCl 119,139 catalyst systems 122 3

2

5

2

3

7-T1CI3

catalyst systems TiCl -based catalysts T i C l reduction 4

Downloaded by 95.110.158.209 on May 31, 2018 | https://pubs.acs.org Publication Date: January 1, 1966 | doi: 10.1021/ba-1966-0052.ix001

4

121,

143

124 115,139 116

Titanium catalysts 31 Transition metal catalyst systems.. 115,136 Transition metal compound 115 Triethylamine on cobalt catalysis, effect of 54 V VCh

-based catalysts V C l s / A l E t s catalyst structure

116 128 52

VOCI3

116

-catalysts

131

Ζ Ziegler-Natta catalysts.. .4, 6, 105, 115, 139

Johnson and Goodman; Elastomer Stereospecific Polymerization Advances in Chemistry; American Chemical Society: Washington, DC, 1966.