Towards High Molecular Weight Poly(bisphenol A carbonate) with Excellent Thermal Stability and Mechanical Properties by Solid-State Polymerization

Yu-ling He; Yi-lan Guo; Rui He; Tian-xiang Jin; Feng Chen; Qiang Fu; Nan Zhou; Ji Shen

doi:10.1007/s10118-015-1667-2

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Towards High Molecular Weight Poly(bisphenol A carbonate) with Excellent Thermal Stability and Mechanical Properties by Solid-State Polymerization

PAPER | Updated：2021-06-21

- Towards High Molecular Weight Poly(bisphenol A carbonate) with Excellent Thermal Stability and Mechanical Properties by Solid-State Polymerization
- Chinese Journal of Polymer Science Vol. 33, Issue 8, Pages: 1176-1185(2015)
- Affiliations：
  
  a.College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
  b.China Bluestar Chengrand Chemical Co., Ltd., Chengdu 610041, China
- Author bio：
  
  **Feng Chen (陈枫), E-mail: fengchen@scu.edu.cn
  Qiang Fu (傅强), E-mail: qiangfu@scu.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1667-2
  CLC：
- Received：31 December 2014，
  
  Revised：2015-01-27，
  
  Accepted：08 February 2015，
  
  Published：2015-08
- Accepted：
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Yu-ling He, Yi-lan Guo, Rui He, et al. Towards High Molecular Weight Poly(bisphenol A carbonate) with Excellent Thermal Stability and Mechanical Properties by Solid-State Polymerization[J]. Chinese Journal of Polymer Science, 2015, 33(8): 1176-1185.
DOI：

Yu-ling He, Yi-lan Guo, Rui He, et al. Towards High Molecular Weight Poly(bisphenol A carbonate) with Excellent Thermal Stability and Mechanical Properties by Solid-State Polymerization[J]. Chinese Journal of Polymer Science, 2015, 33(8): 1176-1185. DOI： 10.1007/s10118-015-1667-2.

摘要

Abstract

Poly(bisphenol A carbonate) (BPA-PC) was post-polymerized by solid-state polymerization (SSP) after supercritical CO

-induced crystallization in low molecular weight particles prepolymerized

via

melt transesterification reaction. The effects of the crystallization conditions on melting behavior and SSP of BPA-PC were investigated with differential scanning calorimetry (DSC)

Ubbelohde viscosity method and gel permeation chromatography (GPC). The reaction kinetics of the SSP of crystallized prepolymers was studied as a function of reaction temperatures for various reaction periods. As a result

the viscosity average molecular weight of BPA-PC particles (2 mm) increased from 1.9 × 10

g/mol to 2.8 × 10

g/mol after SSP. More importantly

the significantly enhanced thermal stability and mechanical properties of solid-state polymerized BPA-PC

compared with those of melt transesterification polymerized BPA-PC with the same molecular weight

can be ascribed to the substantial avoidance of undergoing high temperature during polymerization. Our work provides a useful method to obtain practical product of BPA-PC with high quality and high molecular weight.

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