Citation: Zhuo Yuan Ning, Qing Shan Zhang, Qin Pei Wu, Yun Zheng Li, Dong Xia Ma, Jia Zhe Chen. Efficient synthesis of hydroxyl functioned polyesters from natural polyols and sebacic acid[J]. Chinese Chemical Letters, ;2011, 22(6): 635-638. doi: 10.1016/j.cclet.2010.12.033 shu

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

School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing 100081, China

Received Date: 1 September 2010

Fund Project: The authors acknowledge the financial support of National Key Technology R&D Program (No.2006BAD07A06 and National "863" Program Project of China (No.2006AA100216)

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 N₂ 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, M_n of 1903, M_w of 167,693, T_g of-30.5 ℃, T_m of 44.0 ℃.Weight loss is 1.73% under 200 ℃.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.
- Hydroxyl functioned polyester,
- Poly(sorbitol sebacate),
- Dehydrative condensation catalyst,
- Biodegradable plastics
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