C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
23/149, 402/383,
C08F 4/68 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1171063
ABSTRACT OF THE DISCLOSURE Components of catalysts for polymerizing olefins hav- ing the general formula : YCln(OR)m in which : R = a hydrocarbon radical having 1-18 C; or R?Si(OH)3-p, in which R1 = a hydrocarbon radical, 1 < p <3; 1.5< n< 3, m = 3-n; with X-ray powder spectrum, in which maximum intensity diffrac- tion lines, which in the spectrum of normal VCl3 appear at d = 5 .75 .ANG., d = 2.67 .ANG. and d = 1.74 .ANG., exhibit a broadening of the half peak breath of at least three times for the diffraction line at d = 575 .ANG. and of at least four times for the diffraction lines appearing at d = 2.67 .ANG. and d = 1.74 .ANG., or said diffrac- tion lines disapper.
368697
Albizzati Enrico
Giannetti Enzo
Macrae & Co.
Montedison S.p.a.
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