Results 241 to 250 of about 171,756 (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

Injection moulded all-polypropylene composites composed of polypropylene fibre and polypropylene based thermoplastic elastomer [PDF]

open access: yesComposites Science and Technology, 2012
All-polypropylene composites comprising of polypropylene based thermoplastic elastomer (TPE) matrix and homo-polypropylene (hPP) fibre reinforcement were prepared and processed by injection moulding.
Àkos Kmetty   +2 more
exaly   +2 more sources

Photodegradation of polypropylene and polypropylene containing pyrene

Polymer Photochemistry, 1983
Abstract The photodegradation of polypropylene (PP) and polypropylene containing pyrene (Py) as an additive has been studied by electron spin resonance (ESR), infra-red (IR) and ultra-violet (UV) absorption measurements. When PP film is irradiated with UV light at −196°C, alkyl-type radicals are produced.
Ayako Torikai   +2 more
openaire   +1 more source

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