Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1991-12-23
1993-04-20
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526142, 526169, 526183, 526283, 502103, 2643286, C08F 450, C08G 6108
Patent
active
052044203
ABSTRACT:
A Grignard reagent having the formula RMgX where R is a cycloalkyl or cycloalkenyl group and X is Cl, Br or I, is used as the catalyst activator for the metathesis polymerization of dicyclopentadiene and other polycyclic cycloolefins.
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Levisalles et al., Journal of Organometallic Chemistry, 192 (1980) 375-384 "Studies of the Mechanism of Olefin Metathesis II. Cleavage of Alkyl-Tungstens; Abnormal Inductions" (translation).
Levisalles et al., Journal of Organometallic Chemistry, 193 (1980) 235-236 "Studies of the Mechanism of Olefin Metathesis IV. Exchange of Hydrides and Carbenes" (translation).
Raven et al., "The Utility of Grignard Reagents as Co-catalysts in homogeneous Olefin Disproportionation", Chemistry and Industry, 1 Apr. 1973.
Takagi et al., J.C.S. Chem. Comm., p. 838, 1972, "Disproportionation of Hept-2-ene by a Homogeneous Tungsten Hexachloride-Grignard Reagent Catalyst" (abstract).
Takagi et al., Journal of the Oil Chemists' Society, Japan, 24 (8), pp. 518-521 (1975), "Use of Unsolvated Grignard Reagents as Cocatalysts in Homogeneous System Olefin Metathesis" (translation).
Hercules Incorporated
Patterson Joanne W.
Teskin Fred
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