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Synthesis and Characterization of Syndiotactic 1,2-Poly(3-methyl-1,3-pentadiene)

✍ Scribed by Ricci, Giovanni; Bertini, Fabio; Boccia, Antonella Caterina; Zetta, Lucia; Alberti, Enrica; Pirozzi, Beniamino; Giarrusso, Antonino; Porri, Lido


Book ID
115534707
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
101 KB
Volume
40
Category
Article
ISSN
0024-9297

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πŸ“œ SIMILAR VOLUMES


Structural characterization of syndiotac
✍ Stefano V. Meille; Silvia Capelli; Giovanni Ricci πŸ“‚ Article πŸ“… 1995 πŸ› John Wiley and Sons 🌐 English βš– 510 KB

## Abstract 4‐Methyl‐1,3‐pentadiene was polymerized with the MAO/CpTiCl~3~ (MAO: methyl‐aluminoxane, Cp: Cyclopentadienyl) system to yield a highly stereoregular syndiotactic 1,2‐polymer. Fiber diffraction patterns indicate two crystalline modifications: a major one with a repeat of 11.73 Γ… and min

Crystallization behaviour of syndiotacti
✍ E. Petrillo; R. Russo; P. Longo; V. Vittoria πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 412 KB

Different crystallization conditions were investigated for syndiotactic poly-l,2-(4-methyl-l,3-pentadiene) (P4MPD). The thermal crystallization is a slow process. At 60Β°C long times are needed to induce the structural rearrangements. Much shorter times are necessary for oriented samples, so that str

Synthesis and characterization of isotac
✍ Giovanni Ricci; Lucia Zetta; Lido Porri; Stefano Valdo Meille πŸ“‚ Article πŸ“… 1995 πŸ› John Wiley and Sons 🌐 English βš– 332 KB

## Abstract 3‐Methyl‐1,3‐pentadiene has been polymerized with the Al(C~2~H~5~)~2~Cl/Nd(OCOC~7~H~15~)~3~/Al[CH~2~CH(CH~3~)~2~]~3~ system to crystalline polymers consisting essentially of cis‐1,4 units (β‰₯80%). NMR examination has shown that the polymers have an isotactic structure. This conclusion wa