Effect of multiwalled carbon nanotubes on tensile stress-strain diagrams of amorphous-crystalline thermoplastic polymers

Autor: P. I. Ivashchenko, Sh. Tuichiev, B. M. Ginzburg, S. Kh. Tabarov, D. Rashidov
Rok vydání: 2010
Předmět:
Zdroj: Technical Physics Letters. 36:804-806
ISSN: 1090-6533
1063-7850
DOI: 10.1134/s1063785010090099
Popis: The effect of multiwalled carbon nanotubes (MWNTs) on the stress-strain diagrams of uniaxially extended thin films of low-density polyethylene (LDPE) and poly(vinyl alcohol) (PVA) has been studied. MWNTs were synthesized by the thermocatalytic method. The introduction of MWNTs decreases the plasticity of LDPE, while significantly increasing that of PVA. The results can be explained by assuming that crystallites are key structural elements that ensure large plastic deformation. The manifestation of the plasticity of crystallites implies that amorphous regions occur in a rubberlike state. Both of these prerequisites are important for the mechanics of amorphous-crystalline thermoplastic polymers.
Databáze: OpenAIRE