Film Blowing of Layered Silicate Nanocomposites

Autor:	Taner E. Dirama, Lloyd A. Goettler
Rok vydání:	2006
Předmět:	Nanocomposite Materials science Mechanical Engineering Industrial and Manufacturing Engineering Silicate law.invention Crystallinity chemistry.chemical_compound Nylon 6 Rheology chemistry Mechanics of Materials law Polyamide General Materials Science Liquid bubble Composite material Crystallization
Zdroj:	Materials and Manufacturing Processes. 21:199-210
ISSN:	1532-2475 1042-6914
DOI:	10.1081/amp-200068675
Popis:	Bubble formation and stability in the film blowing processing of in situ polymerized and melt-compounded polyamide 6-based layered silicate nanocomposites (LSNs) are correlated to their underlying rheology, structure, and crystallization behavior. The layered silicates enhance melt elasticity, induce γ -form crystallinity, and increase crystallization rates without having any significant effect on the extent of crystallinity. A bubble stability quantification method employed to assess the level of instability during the film blowing process finds the in situ polymerized LSNs to be more stable than PA6, while melt-compounded LSNs do not display such an improved processability. All of the LSN films produced by film blowing possess superior mechanical properties compared to neat nylon 6, despite their relatively rougher film surfaces.
Databáze:	OpenAIRE
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