Dynamic Mechanical Properties of Thermoplastic Urethane Elastomers by Thermally Stimulated Creep View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

1980

AUTHORS

Talal El Sayed , Daniel Chatain , Colette Lacabanne

ABSTRACT

In the chemistry of urethanes, major emphasis in recent years, has been placed upon efforts to develop aliphatic isocyanates to impart light stability, and improved stability toward hydrolysis (1). The first commercial aliphatic diisocyanate used was 1,6 hexamethylene diisocyanate (HDI). A series of elastomers was prepared in the melt from polyester diol (ES) -Mψ = 2,000-, from HDI and from 1,4 butane diol (BDO) for mole ratio of ES/HDI/BDO: 1/1/0, 1/2/1, 1/3/0, 1/4/3 and 1/5/4 (2). The dynamic mechanical properties of these thermoplastic urethane elastomers were investigated over the temperature range -200°C to 100°C using the Thermally Stimulated Creep (TSCr)technique (3)-. It is the purpose of this paper to investigate the molecular relaxation mechanisms of thermoplastic urethane elastomers by studying the effect of microphase segregation and intermolecular bonding on their dynamic mechanical properties. More... »

PAGES

171-175

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-1-4684-3746-1_27

DOI

http://dx.doi.org/10.1007/978-1-4684-3746-1_27

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1012127031


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