Abstract
Isotactic poly(butene-1) (iPB) with spherical morphology was synthesized successfully with bulk precipitation polymerization without post-treatment of the products. The bulk precipitation polymerization process made it possible for iPB to be used as general plastic due to the acceptable decreased cost compared with the solution polymerization process. The influence of catalyst residues on the aging and thermal stability of iPB synthesized by bulk precipitation polymerization method was investigated by gel permeation chromatography, mechanical performance testing, thermogravimetric analysis and infrared spectroscopic analysis. Commercial iPB and the lab-made iPB with varied catalyst residue contents were studied. The results demonstrated that the catalyst residues played an important role in the aging process of the iPB. A possible mechanism of aging promotion by catalyst residues was proposed.
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This work was financially supported by the National Key Technology R&D Program of China (No. 2011BAE26B05).
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Sun, By., Cui, L., Jiang, Xb. et al. Influence of catalyst residues on thermo-oxidative aging and thermal stability of poly(butene-1). Chin J Polym Sci 32, 633–639 (2014). https://doi.org/10.1007/s10118-014-1433-x
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DOI: https://doi.org/10.1007/s10118-014-1433-x