Thermoresponsive fibers containing n-stearyl acrylate groups for shape memory effect

L. Chen; X. Yu; X. Feng; Y. L. Han; M. Liu; T. X. Lin

doi:10.1117/12.779391

1 November 2007 Thermoresponsive fibers containing n-stearyl acrylate groups for shape memory effect

L. Chen, X. Yu, X. Feng, Y. L. Han, M. Liu, T. X. Lin

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64233M (2007) https://doi.org/10.1117/12.779391
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

A novel kind of thermoresponsive shape memory fiber was prepared by mixing the P(SA-co-AA) copolymers of stearyl acrylate (SA), and acrylic acid (AA), with PVA polyvinyl alcohol through chemically crosslinking after spinning. The molecular structure, thermomechanical properties and shape memory behaviors were investigated. It was found that the mixed P(SA-co-AA)/PVA fibers had crystalline structures and showed a dramatic change in Young's modulus at melting temperature (Tm) due to the reversible order-disorder transition. The mixed P(SA-co-AA)/PVA fibers also showed a good shape memory effect, through which the deformed fibers could recover to their original shapes and sizes within 40 seconds after they were heated above their Tm again.

Citation Download Citation

L. Chen, X. Yu, X. Feng, Y. L. Han, M. Liu, and T. X. Lin "Thermoresponsive fibers containing n-stearyl acrylate groups for shape memory effect", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64233M (1 November 2007); https://doi.org/10.1117/12.779391

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