Results 241 to 250 of about 333,900 (300)

Microstructure of polypropylene

Progress in Polymer Science, 2001
Abstract For over thirty years after the discovery of stereoselective olefin polymerization in 1954, the word ‘polypropylene’ has meant, both scientifically and commercially, little else than the predominantly isotactic polymer achievable with the classical heterogeneous Ziegler–Natta catalysts.
Vincenzo Busico, Roberta Cipullo
exaly   +4 more sources

Polypropylene

Ophthalmology, 1981
Polypropylene is a polymer widely used in lens implantation, both as a loop material and as an intracameral suture. The chemistry and qualities of this material are discussed. Predicated on its usage in other types of surgery, it appears to be resistant to degradation.
openaire   +2 more sources

Polypropylene nanocomposite with polypropylene-grafted graphene

Macromolecular Research, 2016
A method for grafting polypropylene (PP) onto graphene oxide (GO) surfaces was successfully established by functionalizing GO with (3-aminopropyl)triethoxysilane (NH2-t-GO) and grafting maleic-anhydride-grafted PP (MAPP) on NH2-t-GO (MAPP-g-GO). The PP/GO nanocomposites were prepared by compounding MAPP-g-GO with virgin PP.
Jae-Hun Woo, Soo-Young Park
openaire   +1 more source

Polypropylene–polysilsesquioxane blends

European Polymer Journal, 2010
Abstract This paper deals with the preparation of PP/polysilsesquioxane blends and their study to investigate silsesquioxane dispersion, mechanical properties, thermal stability and combustion properties by means of a number of techniques, such as SEM, XRD, Rheology, TGA, DSC, Cone Calorimeter tests and LOI. Polysilsesquioxane with different organic
FINA, ALBERTO   +2 more
openaire   +1 more source

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