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Fast-responding bio-based shape memory thermoplastic polyurethanes

Journal Article · · Polymer
 [1];  [1];  [2];  [3]
  1. Pittsburg State Univ. Pittsburg, KS (United States)
  2. National Inst. of Standards and Technology, Gaithersburg, MD (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
Fast response shape-memory polyurethanes were prepared from bio-based polyols, diphenyl methane diisocyanate and butane diol. The bio-based polyester polyols were synthesized from 9-hydroxynonanoic acid, a product obtained by ozonolysis of fatty acids extracted from soy oil and castor oil. The morphology of polyurethanes was investigated by synchrotron ultra-small angle X-ray scattering, which revealed the inter-domain spacing between the hard and soft phases, the degree of phase separation, and the level of intermixing between the hard and soft phases. We also conducted thorough investigations of the thermal, mechanical, and dielectric properties of the polyurethanes, and found that high crystallization rate of the soft segment gives these polyurethanes unique properties suitable for shapememory applications, such as adjustable transition temperatures, high degree of elastic elongations, and good mechanical strength. In conclusion, these materials are also potentially biodegradable and biocompatible, therefore suitable for biomedical and environmental applications.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
Directorate for Mathematical and Physical Sciences Division of Chemistry (MPS/CHE); National Science Foundation (NSF), Directorate for Mathematical and Physical Sciences Division of Materials Research (MPS-DMR); U.S. Department of Agriculture (USDA); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1389618
Alternate ID(s):
OSTI ID: 1550091
Journal Information:
Polymer, Journal Name: Polymer Journal Issue: C Vol. 121; ISSN 0032-3861
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Bio-Based Polyurethane Composite Foams with Improved Mechanical, Thermal, and Antibacterial Properties journal March 2020
Additive Manufacturing of Information Carriers Based on Shape Memory Polyester Urethane journal June 2019
Phase Fraction and Evolution of Additively Manufactured (AM) 15-5 Stainless Steel and Inconel 625 AM-Bench Artifacts journal August 2019
The influence of liquid crystals on the properties of sisal fibre polyurethanes with multi-shape memory effects journal January 2019
3D printing of thermoreversible polyurethanes with targeted shape memory and precise in situ self-healing properties journal January 2019
A facile preparation strategy of polycaprolactone (PCL)-based biodegradable polyurethane elastomer with a highly efficient shape memory effect journal January 2020

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