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Thermoplastic coating of carbon fibersA process is being developed which evenly coats individual carbon fibers with thermoplastic polymers. In this novel, continuous coating process, the fiber tow bundle is first spread cover a series of convex rollers and then evenly coated with a fine powder of thermoplastic matrix polymer. Next, the fiber is heated internally by passing direct current through the powder coated fiber. The direct current is controlled to allow the carbon fiber temperature to slightly exceed the flow temperature of the matrix polymer. Analysis of the thermoplastic coated carbon fiber tows produced using this continuous process indicates that 30 to 70 vol pct fiber prepregs can be obtained.
Document ID
19900039675
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Edie, D. D.
(Clemson Univ. SC, United States)
Lickfield, G. C.
(Clemson Univ. SC, United States)
Drews, M. J.
(Clemson Univ. SC, United States)
Ellison, M. S.
(Clemson University SC, United States)
Gantt, B. W.
(BASF Fiber Corp. Central, SC, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Subject Category
Nonmetallic Materials
Accession Number
90A26730
Funding Number(s)
CONTRACT_GRANT: NAG1-680
Distribution Limits
Public
Copyright
Other

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