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Shape memory polymer blend materials

Patent ·
OSTI ID:1840466
;

An object comprising: a blend of (i) a phenol-containing polymer and (ii) a nitrile butadiene rubber; wherein the phenol-containing polymer is present in an amount of at least 5 wt % and up to about 95 wt % by total weight of components (i) and (ii). The object may further contain an electrically conducting component dispersed within the blend or on a surface of the blend. Also described is a method of thermal-activated reversible mechanical deformation of the object by (i) deforming the object at a first temperature, which is at or above the glass transition temperature of the object, and applying a stress on the object; (ii) fixing the deformed state by cooling the object to a second temperature of no more than 0° C. while under stress, and removing the stress; and (iii) recovering the object to the original shape by raising the temperature of the object to the first temperature.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
11,124,652
Application Number:
16/014,136
OSTI ID:
1840466
Country of Publication:
United States
Language:
English

References (6)

A New Class of Renewable Thermoplastics with Extraordinary Performance from Nanostructured Lignin-Elastomers journal March 2016
Development of lignin-based polyurethane thermoplastics journal January 2013
Toward Thermoplastic Lignin Polymers. Part 1. Selective Masking of Phenolic Hydroxyl Groups in Kraft Lignins via Methylation and Oxypropylation Chemistries
  • Sadeghifar, Hasan; Cui, Chengzhong; Argyropoulos, Dimitris S.
  • Industrial & Engineering Chemistry Research, Vol. 51, Issue 51, p. 16713-16720 https://doi.org/10.1021/ie301848j
journal December 2012
Turning renewable resources into value-added polymer: development of lignin-based thermoplastic journal January 2012
An approach towards tailoring interfacial structures and properties of multiphase renewable thermoplastics from lignin–nitrile rubber journal January 2016
Toward Thermoplastic Lignin Polymers; Part II: Thermal & Polymer Characteristics of Kraft Lignin & Derivatives journal November 2012

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