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Isotactic and Syndiotactic Alternating Ethylene/Propylene Copolymers Obtained Through Non-Catalytic Hydrogenation of Highly Stereoregular cis-1,4 Poly(1,3-diene)s

Isotactic and Syndiotactic Alternating Ethylene/Propylene Copolymers Obtained Through Non-Catalytic Hydrogenation of Highly Stereoregular cis-1,4 Poly(1,3-diene)s

Giovanni Ricci, Antonella Caterina Boccia, Giuseppe Leone, Ivana Pierro, Giorgia Zanchin, Miriam Scoti, Finizia Auriemma, Claudio De Rosa

Molecules. 2017 May 6;22(5):755.

PMID: 28481242

Abstract:

The homogeneous non-catalytic hydrogenation of cis-1,4 poly(isoprene), isotactic cis-1,4 poly(1,3-pentadiene) and syndiotactic cis-1,4 poly(1,3-pentadiene) with diimide, formed by thermal decomposition of para-toluenesulfonylhydrazide, is examined. Perfectly alternating ethylene/propylene copolymers having different tacticity (i.e., isotactic and syndiotactic), which are difficult to synthesize by stereospecific copolymerization of the corresponding monomers, are obtained. Both isotactic and syndiotactic alternating ethylene/propylene copolymers are amorphous, with very low glass transition temperatures.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1574410	cis-1,3-Pentadiene		1574-41-0	Price

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