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Efficient synthesis of hydroxyl functioned polyesters from natural polyols and sebacic acid

  • Zhuo Yuan Ning
  • , Qing Shan Zhang
  • , Qin Pei Wu
  • , Yun Zheng Li
  • , Dong Xia Ma
  • , Jia Zhe Chen
  • Beijing Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Amphiphilic hydroxyl functioned polyester (HFP) can be used as compatibilizers for blends of starch and resins. We developed a synthetic method for effective preparation of HFPs. Water was removed by high flow rate N 2 rather than high vacuum during polycondensation of sebacic acid with xylitol, sorbitol, or mannitol in the presence of dehydrative condensation catalyst and the product is with [η] of 27.2 mL/g, Mn of 1903, Mw of 167,693, Tg of -30.5°C, Tm of 44.0°C. Weight loss is 1.73% under 200°C. The integral distributions of molecular weight are 43.6 wt% and 63.8 wt% over 10,000 and 3000, respectively. The results indicated that higher molecular weight HFP was economically synthesized.

Original languageEnglish
Pages (from-to)635-638
Number of pages4
JournalChinese Chemical Letters
Volume22
Issue number6
DOIs
Publication statusPublished - Jun 2011

Keywords

  • Biodegradable plastics
  • Dehydrative condensation catalyst
  • Hydroxyl functioned polyester
  • Poly(sorbitol sebacate)

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