Rigid rod/flexible coil polymer-polymer molecular composites
- Universitaet Bayreuth (Germany)
A molecular polymer-polymer composite consisting of polydiacetylene rigid rod polymer molecules molecularly dispersed in styrene-based copolymers or polyurethanes as polymer matrix was achieved through ionomer blonds: carboxylated or sulfonated polystyrene, poly(ethyleneoxide) or polyester-urethanes with sulfonated hard segments were employed as the matrix polymer component, and rigid polydiacetylenes with functional side groups as the reinforcing polymer rod. Microphase separation was prevented through ionic contacts between the blend components. The Young`s modulus of the ionomer blends containing only a few wt-% of the polydiacetylene reinforcer was up to 1 order of magnitude higher than the matrix polymer. The increase in the moduli was in good agreement with the predictions of the Halpin-Tsai-Equation. These studies open new perspectives for reinforced polymer systems.
- OSTI ID:
- 127047
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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