Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1977-07-11
1979-12-11
Anderson, Philip
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
106 41, 260 37EP, 260 37M, 260 40R, 260 4218, 264 41, 264 43, 264 453, 264 464, 264176R, 264DIG5, 264DIG13, 521 79, 521 80, B29D 2700
Patent
active
041784111
ABSTRACT:
A very low density material is produced by extruding a composition comprising a settable fluid containing long resilient fibres through a narrow die under conditions which cause the extrudate to expand to form an open fibrous structure as it leaves the die, and then causing the fluid to set. This is applicable to both thermoplastic and thermosetting materials. Various coating layers may be applied to provide rigid light-weight panels and shaped articles for various uses including furniture and building applications.
REFERENCES:
patent: 3846523 (1974-11-01), Geerdes
Brydson, J. A., "Flow Properties of Polymer Melts," London, Iliffe Books, 1970, pp. 63-69.
Turner, S. and F. N. Cogswell, "Fibre Foam: a Rheological Phenomenon," in the Proceedings: VIIth International Congress on Rheology, Chalmers Univ. of Technology, Gothenburg, Sweden, Aug. 23-27, 1976, C. Klason and J. Kubat, Edts., pp. 172-173.
Cogswell Frederic N.
Cole Ernest A.
Huxtable Jonathan
Anderson Philip
Imperial Chemical Industries Limited
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