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The Influence Factors Analysis to Improve the Compatibility and the Mechanical Behavior of IPN, Gradient IPN and BaTiO<sub>3</sub> Filled IPN
Department of Chemistry, Harbin Institute of Technology, Harbin, China
Department of Chemistry, Harbin Institute of Technology, Harbin, China
Department of Chemistry, Harbin Institute of Technology, Harbin, China
- 1 Department of Chemistry, Harbin Institute of Technology, Harbin, China
- 2 Department of Chemistry, Harbin Institute of Technology, Harbin, China
- 3 Department of Chemistry, Harbin Institute of Technology, Harbin, China
Materials Sciences and Applications·Volume 03 (2012)·Pages 606–611·Published 26 September 2012·DOI10.4236/msa.2012.39087
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Abstract
Interpenetrating polymer network (IPN), gradient IPN and BaTiO3 filled IPN, composed of poly(ethylene glycol urethane) (PEGPU) and unsaturated polyester resin (UP) curing at room temperatures were prepared. Then the effect of soft/hard segment ratio in polyurethane (PU), component ratio of PU to UP in IPN, adding amount of BaTiO 3 in filled IPN, the component sequences and interval times between each IPN for gradient IPN, on morphology and mechanical behavior of IPN and BaTiO 3 /IPN nanocomposites with different molecular weight of PU were studied systematically. Moreover, the investigation on the relationship between the morphologies and the mechanical properties indicated that the IPN with finer morphology exhibited an excellent consistency of the higher strengths and elongations.
KeywordsPoly(ethylene Glycol Urethane) (PEGPU)Gradient Interpenetrating Polymer Networks (Gradient IPN)BaTiO<sub>3</sub>MorphologyMechanical Property
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