Journal ArticleDOI
Crystalline Structure and Phase Transformation in Powder Processing of Polyvinylidene Fluoride with Fillers
S. Radhakrishnan,S. G. Joshi +1 more
TLDR
In this paper, structural investigations have been carried out in powder processed polyvinylidene fluoride containing various amounts of titanium dioxide and lead monoxide as fillers, and the crystallinity was found to increase significantly at very low filler concentration (< 3 percent, while it decreased monotonically with increasing filler concentrations above 5 percent.Abstract:
Structural investigations have been carried out in powder processed polyvinylidene fluoride containing various amounts of titanium dioxide and lead monoxide as fillers. The crystallinity was found to increase significantly at very low filler concentration (<3 percent) while it decreased monotonically with increasing filler concentrations above 5 percent. The phase transformation in the crystal structure was also noticed especially after sintering and the formation of beta phase was favourable in samples containing lead oxide. These various findings were also confirmed by infrared absorption studies and explained on the basis of deformation of the polymer during compaction together with preferential nucleation by the filler during the sintering step of the powder processing technique.read more
Citations
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Journal ArticleDOI
High piezoresistivity in conducting polymer composites
TL;DR: In this article, a high piezoresistive effect has been observed in semiconducting polyvinylidene fluoride as well as polyphenylene sulfide composites containing metallic fillers.
Journal ArticleDOI
Polymer-induced crystallization of inorganic salts: PEO-CuCl2
S. Radhakrishnan,J.M. Schultz +1 more
TL;DR: In this article, a polyethylene oxide containing high concentrations of Cu(ll) chloride has been studied as a function of temperature and a new hexagonal type structure with unit cell dimensions of a = 6.52 and c = 19 is seen to occur for high concentration of the copper chloride.
References
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Book
Introduction to Ceramics
TL;DR: In this paper, the authors present a model for the development of the MICROSTRUCTURE in CERAMICS based on phase transformation, glass formation and glass-Ceramics.
BookDOI
Developments in crystalline polymers
TL;DR: A comprehensive review of the polymer PHB, poly(hydroxybutyrate), which is new to industrial manufacturing but is a naturally occurring substance, is given in this article.
Book ChapterDOI
Poly(Vinylidene Fluoride)
TL;DR: In this paper, an extensive review of the important ferroelectric polymer poly(vinylidene fluoride) is presented, including polymerization, molecular structure, and defects; dilute-solution properties; crystalline structure of the various polymorphic phases, crystallization, and morphology.
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