Pultrusion process for preparing composites

Details Pultrusion process for preparing composites Pultrusion process for preparing composites

1992-03-30

1994-03-15

Bell, Jaynce

Coating processes

With cutting, holding, severing, or abrading the base

Rectilinear cutting to length

427358, 4273855, 4273878, 156166, 156181, 1562444, 264136, 264137, 264174, B05D 312

Patent

active

052944611

ABSTRACT:
An improved pultrusion process for preparing composites comprises combining polymer precursors in a mixer and continuously introducing the resulting mixture, together with reinforcing fibers, into an impregnation chamber maintained under conditions such that the mixture remains in liquid form of low viscosity. The impregnated fibers are continuously withdrawn from the chamber through a die in which polymerization of the precursors takes place to form the desired composite.

REFERENCES:
patent: 4098861 (1978-07-01), Bassini
patent: 4541884 (1985-09-01), Cogswell
patent: 4635432 (1987-01-01), Wheeler
patent: 4769286 (1988-09-01), LeNoane
Cho et al, "Experimental Studies of Pultruded Fiber Reinforced Nylon-6 Composites", 47th Annual Conference, Composites Institute, The Society of the Plastics Industry Inc., Feb. 3-6, 1992, Session 2-C, pp. 1-7.
Ishida & Rotter, RIM-Pultrusion of Thermoplastic Matrix Composites, 43rd Annual Conf. Composite Inst, The Society of the Plastic Indus. Feb. 1-5, 1988.

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