High magnetic field processing of liquid crystalline polymers
Abstract
A process of forming bulk articles of oriented liquid crystalline thermoset material, the material characterized as having an enhanced tensile modulus parallel to orientation of an applied magnetic field of at least 25 percent greater than said material processed in the absence of a magnetic field, by curing a liquid crystalline thermoset precursor within a high strength magnetic field of greater than about 2 Tesla, is provided, together with a resultant bulk article of a liquid crystalline thermoset material, said material processed in a high strength magnetic field whereby said material is characterized as having a tensile modulus parallel to orientation of said field of at least 25 percent greater than said material processed in the absence of a magnetic field.
- Inventors:
-
- Los Alamos, NM
- Issue Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- OSTI Identifier:
- 871990
- Patent Number(s):
- 5840376
- Assignee:
- Regents of University of California (Los Alamos, NM)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- DOE Contract Number:
- W-7405-ENG-36
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- magnetic; field; processing; liquid; crystalline; polymers; process; forming; bulk; articles; oriented; thermoset; material; characterized; enhanced; tensile; modulus; parallel; orientation; applied; 25; percent; processed; absence; curing; precursor; strength; tesla; provided; resultant; article; whereby; crystalline polymer; liquid crystalline; magnetic field; liquid crystal; applied magnetic; crystalline thermoset; thermoset material; /428/252/
Citation Formats
Smith, Mark E, Benicewicz, Brian C, and Douglas, Elliot P. High magnetic field processing of liquid crystalline polymers. United States: N. p., 1998.
Web.
Smith, Mark E, Benicewicz, Brian C, & Douglas, Elliot P. High magnetic field processing of liquid crystalline polymers. United States.
Smith, Mark E, Benicewicz, Brian C, and Douglas, Elliot P. Thu .
"High magnetic field processing of liquid crystalline polymers". United States. https://www.osti.gov/servlets/purl/871990.
@article{osti_871990,
title = {High magnetic field processing of liquid crystalline polymers},
author = {Smith, Mark E and Benicewicz, Brian C and Douglas, Elliot P},
abstractNote = {A process of forming bulk articles of oriented liquid crystalline thermoset material, the material characterized as having an enhanced tensile modulus parallel to orientation of an applied magnetic field of at least 25 percent greater than said material processed in the absence of a magnetic field, by curing a liquid crystalline thermoset precursor within a high strength magnetic field of greater than about 2 Tesla, is provided, together with a resultant bulk article of a liquid crystalline thermoset material, said material processed in a high strength magnetic field whereby said material is characterized as having a tensile modulus parallel to orientation of said field of at least 25 percent greater than said material processed in the absence of a magnetic field.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {1}
}
Works referenced in this record:
Anisotropic Network Formation by Photopolymerization of Liquid Crystal Monomers in a Low Magnetic Field
journal, October 1994
- Hoyle, Charles E.; Watanabe, Tsuyoshi; Whitehead, Joe B.
- Macromolecules, Vol. 27, Issue 22
Liquid Crystalline Epoxide Thermosets. Dynamic Mechanical and Thermal Properties
journal, March 1995
- Jahromi, S.; Kuipers, W. A. G.; Norder, B.
- Macromolecules, Vol. 28, Issue 7
The structure of thermotropic copolyesters
journal, June 1986
- Sawyer, Linda C.; Jaffe, Michael
- Journal of Materials Science, Vol. 21, Issue 6
The mechanical and magnetic alignment of liquid crystalline epoxy thermosets
journal, August 1992
- Barclay, G. G.; McNamee, S. G.; Ober, C. K.
- Journal of Polymer Science Part A: Polymer Chemistry, Vol. 30, Issue 9
Influence of low magnetic fields on semicrystalline polymers
journal, November 1983
- Gray, M. E.; Harrison, I. R.
- Journal of Applied Polymer Science, Vol. 28, Issue 11
Liquid Crystalline Thermosets As Materials For Microelectronics
journal, January 1991
- Ober, C. K.; Barclay, G. G.
- MRS Proceedings, Vol. 227
Rigid-rod thermosets based on 1,3,5-triazine-linked aromatic ester segments
journal, May 1992
- Barclay, G. G.; Ober, C. K.; Papathomas, K. I.
- Macromolecules, Vol. 25, Issue 11