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Lignin-based polymers with enhanced melt extrusion ability

Patent ·
OSTI ID:2222220
;
A solid polymer blend material comprising: (i) a lignin-acrylonitrile component containing a homogeneous blend of a lignin component and an acrylonitrile-containing rubber component; and (ii) a styrene-containing thermoplastic component that is non-elastomeric; wherein components (i) and (ii) are homogeneously dispersed in the polymer blend material. Methods for producing the blend material are also described. Methods for producing objects made of the blend material by melt extrusion are also described, comprising: (a) melt blending components (i) and (ii) to form a polymer blend in which components (i) and (ii) are homogeneously blended, wherein the polymer blend exhibits a melt viscosity of no more than 2000 Pa·s at a shear rate of 100-1000 s−1 and when heated to a temperature of no more than 240° C.; and (b) forming an object made of said polymer blend material.
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):
11,739,218
Application Number:
17/487,061
OSTI ID:
2222220
Country of Publication:
United States
Language:
English

References (5)

Poly(ethylene oxide)-Assisted Macromolecular Self-Assembly of Lignin in ABS Matrix for Sustainable Composite Applications journal November 2015
Fabrication of continuous carbon, glass and Kevlar fibre reinforced polymer composites using additive manufacturing journal August 2017
Effect of Lignin Incorporation and Reactive Compatibilization on the Morphological, Rheological, and Mechanical Properties of ABS Resin journal January 2012
Enhanced mechanical and thermal properties of recycled ABS/nitrile rubber/nanofil N15 nanocomposites journal May 2016
Mechanical properties of HIPS/sugarcane bagasse fiber composites after accelerated weathering journal January 2011

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