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Crystallization behaviour of polyethylene and i-polybutene-1 blends

Kishore, K and Vasanthakumari, R (1986) Crystallization behaviour of polyethylene and i-polybutene-1 blends. In: Polymer, 27 (3). 337 -343.

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Abstract

The mutual influence of the components on the crystallization behaviour of polyblends, namely, isotactic polybutene-1 (PB) with low-density and high-density polyethylene (LDPE and HDPE), has been studied using techniques such as differential scanning calorimetry, infra-red spectroscopy, wide-angle X-ray diffraction, scanning electron microscopy, etc. Each component in the blend is observed to crystallize independently. There is phase separation and incompatibility, as shown from tensile properties and scanning electron microscopic observation of the fracture surface of the blend. For HDPE-PE blends (<30% HDPE), unusual form I′ crystals of PB are observed along with the usual form II.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: crystallization;isotactic polybutene-1;differential scanning calorimetry;infra-red spectroscopy.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 27 Aug 2009 10:48
Last Modified: 19 Sep 2010 05:42
URI: http://eprints.iisc.ernet.in/id/eprint/22564

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