The development of polyvinyl alcohol (PVA) fibers
Conference
·
OSTI ID:602820
- Michigan State Univ., Midland, MI (United States)
- Army Natick Research Center, Natick, MA (United States)
The conditions for gel-spinning and hot drawing of PVA fibers have been investigated and the effects of simultaneous orientation and chemical crosslinking in hot water and other solution environments studied. Fibers with high tenacities ({approximately}30 g/d) were produced but more precise control of spinning conditions will be required to obtain consistent high fiber tenacities. The fiber mechanical energy absorption can be further enhanced by boiling water exposure that causes additional crystallization and, also, disorientation of the fiber amorphous regions that results in a softer but high energy absorbing PVA fiber with 30-60% greater failure strain without any compromise in fiber strength. Such treated fibers have the potential to exhibit superior ballistic resistance and cost advantage relative to other fibers.
- OSTI ID:
- 602820
- Report Number(s):
- CONF-961108--
- Country of Publication:
- United States
- Language:
- English
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