diolefin


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diolefin

[dī′ō·lə‚fən]
(organic chemistry)
References in periodicals archive ?
The NiMo catalysts also perform well in diolefins saturation.
Using a suitable amount of the fluorinated diolefin, the iodine functionality of the elastomeric segment A can be increased to two or more than two.
Triaryl Diolefins as Hosts for Metals and Organoiodides.
3%) was not encountered because the samples for analysis were not burned (there was no presence of olefins and diolefins with every n-alkane, and there was an absence of the branched alkanes between the n-alkanes).
Internal cyclization is also thought to occur during the acid-catalyzed polymerization of linear C5 diolefins (ref.
Diolefins have been shown to polymerize under certain conditions in the solid state.
Besides the hydrogenation of dienes, ethyl and propyl mercaptans are also removed via thioetherification where the diolefins react with the mercaptans to form olefinic sulfides which are higher boiling and concentrate at the bottom of the tower.
Walter Bock (1895-1948), German chemist who discovered peroxy compounds to be effective initiators in the polymerization of conjugated diolefins, and who developed butadienestyrene copolymer by emulsion polymerization as a synthetic rubber.
Karl Ziegler (1898-1973), German scientist, teacher, director of the Max Planck Institute for Coal Research at Mulheim/Ruhr, Germany, pioneer in the field of organic metallic chemistry, who discovered new catalyst systems formed from transition metal compounds and organometallics, which catalyze the polymerization of olefins and diolefins to new thermoplastic and elastomeric products.