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Title: Low shear process for producing polymer composite fibers

Abstract

A method for producing a polymer composite fiber comprised of a polymer matrix with filaments incorporated therein whose lengthwise dimensions are substantially oriented with the axial dimension of the composite fiber, the method comprising subjecting a melt comprised of a polymer matrix and filaments to an extrusion process in which the melt is extruded into a fibrous form in the absence of screw extruders and in the substantial absence of shear forces that result in breakage of the filaments, followed by cooling and solidification of the extruded melt to provide the polymer composite fiber. Integration of these polymer composite fibers with additive manufacturing technologies, particularly rapid prototyping methods, such as FFF and 3D printing, are also described. The resulting polymer composite fibers and articles made thereof are also described.

Inventors:
; ; ;
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1495369
Patent Number(s):
10,137,617
Application Number:
14/689,466
Assignee:
UT-BATTELLE, LLC (Oak Ridge, TN) ORNL
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 Apr 17
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Kunc, Vlastimil, Duty, Chad E., Love, Lonnie J., and Naskar, Amit K. Low shear process for producing polymer composite fibers. United States: N. p., 2018. Web.
Kunc, Vlastimil, Duty, Chad E., Love, Lonnie J., & Naskar, Amit K. Low shear process for producing polymer composite fibers. United States.
Kunc, Vlastimil, Duty, Chad E., Love, Lonnie J., and Naskar, Amit K. Tue . "Low shear process for producing polymer composite fibers". United States. https://www.osti.gov/servlets/purl/1495369.
@article{osti_1495369,
title = {Low shear process for producing polymer composite fibers},
author = {Kunc, Vlastimil and Duty, Chad E. and Love, Lonnie J. and Naskar, Amit K.},
abstractNote = {A method for producing a polymer composite fiber comprised of a polymer matrix with filaments incorporated therein whose lengthwise dimensions are substantially oriented with the axial dimension of the composite fiber, the method comprising subjecting a melt comprised of a polymer matrix and filaments to an extrusion process in which the melt is extruded into a fibrous form in the absence of screw extruders and in the substantial absence of shear forces that result in breakage of the filaments, followed by cooling and solidification of the extruded melt to provide the polymer composite fiber. Integration of these polymer composite fibers with additive manufacturing technologies, particularly rapid prototyping methods, such as FFF and 3D printing, are also described. The resulting polymer composite fibers and articles made thereof are also described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {11}
}

Patent:

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