High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments

Bin Cui; Qing-Yun Wu; Lin Gu; Liang Shen; Hai-bin Yu

doi:10.1007/s10118-016-1811-7

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High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments

PAPERS | Updated：2021-05-12

- High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments
- High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments
- Chinese Journal of Polymer Science 2016年34卷第7期页码：901-909
- Affiliations：
  
  a.Key Laboratory of Marine Materials and Related Technologies, Key Laboratory of Marine Materials and Protective Technologies of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  b.Department of Polymer Science and Engineering, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
  c.Department of Polymer and Coating, Jiangxi Science & Technology Normal University, Nanchang 330013, China
- Author bio：
  
  Lin Gu (顾林), E-mail: gulin1985@gmail.com
  Hai-bin Yu (余海斌), E-mail: haibinyu@nimte.ac.cn
- Funds：
  
  The research is financially supported by the National Natural Science Foundation of China(21404112);Ningbo Key Scientific and Technological Project(2014B10023);Ningbo Natural Science Foundation(2015A610016);Open Project of Key Laboratory of Marine Materials and Related Technologies(2016K07);Ningbo Science and Technology Innovation Team(2015B11003)
- DOI：10.1007/s10118-016-1811-7
  中图分类号：
- 收稿：2016-01-29，
  
  修回：2016-2-23，
  
  录用：2016-2-29，
  
  纸质出版：2016-07
- Accepted：
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Bin Cui, Qing-Yun Wu, Lin Gu, 等. High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments[J]. Chinese Journal of Polymer Science, 2016,34(7):901-909.

Bin Cui, Qing-Yun Wu, Lin Gu, et al. High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments[J]. Chinese Journal of Polymer Science, 2016, 34(7): 901-909.
Bin Cui, Qing-Yun Wu, Lin Gu, 等. High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments[J]. Chinese Journal of Polymer Science, 2016,34(7):901-909. DOI： 10.1007/s10118-016-1811-7.

Bin Cui, Qing-Yun Wu, Lin Gu, et al. High Performance Bio-based Polyurethane Elastomers: Effect of Different Soft and Hard Segments[J]. Chinese Journal of Polymer Science, 2016, 34(7): 901-909. DOI： 10.1007/s10118-016-1811-7.

摘要

Abstract

In this work

a series of high performance bio-based polyurethanes (bio-PUs) were synthesized from polylactide (PLA)-based diols

different diisocyanates (TDI

MDI

HDI

IPDI) and chain extender 1

4-butanediol

in which different soft and hard segments are used to adjust their transition temperatures and mechanical properties. Poly(lactide-

-caprolactone) copolymer diols (

-PLAols) instead of PLA diols as the soft segment improved the thermal stability and mechanical properties of the synthesized bio-PUs. Among them

MDI-based bio-PUs have the highest

(43.8℃)

tensile strength (23.5 MPa) and modulus (380.8 MPa)

while HDI-based bio-PUs have the lowest

(21.4℃) and highest elongation at break (580%). Especially

the bio-PUs synthesized from

-PLAols and MDI demonstrate better mechanical properties

closed to petroleum-based commodities. Furthermore

the obtained bio-PUs display good shape memory properties at body temperature and cytocompatibility. Therefore

these bio-PUs are promising for applications in biomedical fields.

关键词

Keywords

references

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