Morphology and properties of short segment block copolymers
- 1 February 1980
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science, Part B
- Vol. 17 (2), 267-301
- https://doi.org/10.1080/00222348008213125
Abstract
The structural, mechanical, and thermal properties of a polyetherpolyester segmented copolymer system [poly(tetramethylene oxide)/poly(tetramethylene terephthalate)] and two polycaprolactone-polyurethane elastomeric systems (based on 4, 4′-diphenylmethane diisocyanate or 4, 4′-dicylohexylmethane diisocyanate) were investigated. Experimental techniques employed in the analysis include DSC, dynamic mechanical testing, IR dichroism, small-angle x-ray and laser light scattering, and tensile testing. Results show that material properties can be explained in terms of system compatibility, crystallization characteristics, and domain morphologies.Keywords
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