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Scanning electron microscopy studies on wear properties of blends of plasticized poly(vinyl chloride) and thermoplastic copolyester elastomer

Identifieur interne : 006F54 ( Main/Exploration ); précédent : 006F53; suivant : 006F55

Scanning electron microscopy studies on wear properties of blends of plasticized poly(vinyl chloride) and thermoplastic copolyester elastomer

Auteurs : Sabu Thomas [Inde]

Source :

Abstract

Wear properties of blends of plasticized poly(vinyl chloride) (PVC) and thermoplastic copolyester elastomer (Hytrel 40D) have been studied with special reference to the effects of blend ratios and time of abrasion. The experiment was conducted in a Du Pont abrader using silicon carbide abrasive paper of grit size 320. The wear resistance of the blends was found to increase with increasing Hytrel content. In order to study the development of the abrasion pattern with the time of abrasion, samples were abraded for different abrasion times. The abraded surfaces were examined using scanning electron microscopy (SEM). Blends containing higher proportions of Hytrel (greater than or equal to 50 wt.%) showed frictional-type wear while those containing higher proportions of PVC showed abrasive wear. Attempts have been made to correlate the SEM micrographs with wear resistance.


Url:
DOI: 10.1016/0043-1648(87)90233-X


Affiliations:


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