Conjugated Diene, Anisidine Value, and Carbonyl Value Analyses

1995 ◽  
Author(s):  
Pamela White
Keyword(s):  
Conjugated Diene ◽  
Carbonyl Value ◽  
Anisidine Value

The Chemistry of the Zinc Oxide Cure of Halobutyl

1984 ◽  
Vol 57 (4) ◽  
pp. 813-825 ◽  
Author(s):  
I. Kuntz ◽  
R. L. Zapp ◽  
R. J. Pancirov
Keyword(s):  
Zinc Oxide ◽  
Zinc Chloride ◽  
Reaction Pathway ◽  
Diels Alder ◽  
Crosslinking Reaction ◽  
Conjugated Diene ◽  
Carbon Carbon Bonds ◽  
Carbon Bonds ◽  
Chloride Catalyst ◽  
Major Reaction

Abstract The studies described in this papier lead to certain conclusions. The crosslinking reaction of halobutyl with zinc oxide does not give rise to ether crosslinks. All the evidence indicates that the chemistry involves the formation of carbon-carbon bonds by an alkylation type chemistry. The dehydrohalogenation of the halobutyl to form a zinc chloride catalyst is a key feature of the crosslinking chemistry. But conjugated diene butyl and Diels-Alder reactions are not the major reaction pathway for the zinc oxide crosslinking reaction. These conclusions have significance for the zinc oxide cure of CR which has an active allylic halide structure formed by 1,2-monomer enchainment.

Hydrogenation of lower alkenes and conjugated diene catalyzed by Ga2O3

2012 ◽  
Vol 539-540 ◽  
pp. 79-82 ◽  
Author(s):  
Tetsuya Shishido ◽  
Hirotaka Kuno ◽  
Kentaro Teramura ◽  
Tsunehiro Tanaka
Keyword(s):  
Conjugated Diene

Theoretical and experimental evidence for a thermally induced .eta.4-diene .dblarw. .eta.3-allyl ligand interconversion in (s-trans-.eta.4-conjugated diene)zirconocenes

1985 ◽  
Vol 4 (9) ◽  
pp. 1531-1536 ◽  
Author(s):  
Gerhard. Erker ◽  
Klaus. Engel ◽  
Uwe. Korek ◽  
Peter. Czisch ◽  
Heinz. Berke ◽  
...  
Keyword(s):  
Experimental Evidence ◽  
Conjugated Diene ◽  
Thermally Induced

Novel bisabolene-type sesquiterpenoids with a conjugated diene isolated from the okinawan sea sponge theonella cf. swinhoei

1984 ◽  
Vol 25 (47) ◽  
pp. 5401-5404 ◽  
Author(s):  
Hideshi Nakamura ◽  
Jun'ichi Kobayashi ◽  
Yasushi Ohizumi ◽  
Mitsubishi-Kasei ◽  
Yoshimasa Hirata
Keyword(s):  
Conjugated Diene
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