TEMPERATURE-DEPENDENT OPTICAL-PROPERTIES OF A SYNTHESIS BLEND OF POLY(METHYL METHACRYLATE) AND VINYL RUBBER

Authors
BERNINI U RUSSO P MALINCONICO M MARTUSCELLI E VOLPE MG MORMILE P
Citation
U. Bernini et al., TEMPERATURE-DEPENDENT OPTICAL-PROPERTIES OF A SYNTHESIS BLEND OF POLY(METHYL METHACRYLATE) AND VINYL RUBBER, Journal of Materials Science, 28(23), 1993, pp. 6399-6402
Citations number
11
Categorie Soggetti
Material Science
Journal title
Journal of Materials Science → ACNP
ISSN journal
00222461
Volume
28
Issue
23
Year of publication
1993
Pages
6399 - 6402
Database
ISI
SICI code
0022-2461(1993)28:23<6399:TOOASB>2.0.ZU;2-F
Abstract
The temperature dependent optical properties of a poly(methyl methacry late) (PMMA) ethylene-co-vinylacetate (EVA) blend (PMMA-EVA) were inve stigated in order to study its thermo-optical behaviour in the tempera ture range 30-70-degrees-C. The thermal coefficients of the refractive index dn/dt of PMMA-EVA, PMMA and EVA were measured as a function of the temperature. The observed trend of the thermal coefficients is rel ated to a first-order phase transition of the EVA component. A compari son with the results of calorimetric investigations by differential sc anning calorimetry (DSC) is also reported. The possible use of this ma terial in optics is described.