A high performance semi-crystalline electrostatic stabilizer for aqueous dispersion prepregging: Poly(pyridine ether-co-ether ether ketone)
Conference
·
OSTI ID:141859
- Virginia Polytechnic Institute and State Univ., Blacksburg, VA (United States)
Aqueous dispersion prepregging is a relatively new, alternate method for processing polymer matrix composites, which could potentially circumvent many of the environmental and processing problems prominent in melt or solution prepregging. However, this method requires the high performance thermoplastic matrix resin to be in the form of small particles dispersed in a stable aqueous suspension. The preparation of submicron particles of the high performance semicrystalline poly(ether ether ketone) has previously been reported (Polymer, accepted 1992). Suspensions of these particles in water were demonstrated, but the suspending agents used were not thermally stable materials. This paper discusses the development of a high performance stabilizer which can be used for suspending PEEK particles in water (forming stable colloids), thereby facilitating the development of processes for aqueous dispersion prepegging. The stabilizer is a copolymer formed from 4,4`-difluoro (N-benzohydroxylidene aniline), 2,6-dichloropyridine, and hydroquinone.
- OSTI ID:
- 141859
- Report Number(s):
- CONF-930304--
- Country of Publication:
- United States
- Language:
- English
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