Process and apparatus for preparing a synthetic resin plate...

Details Process and apparatus for preparing a synthetic resin plate... Process and apparatus for preparing a synthetic resin plate...

B - Operations, Transporting

29

C

18/784

B29C 47/04 (2006.01) B29C 43/22 (2006.01)

Patent

CA 1245821

PROCESS AND APPARATUS FOR PREPARING A SYNTHETIC RESIN PLATE OF DIFFERENT COLORS ABSTRACT OF THE DISCLOSURE A synthetic resin plate having at least two different colors is prepared by a process having the steps of supplying at least two polymerizable liquid materials differing in the color from at least two inlets, passing them through at least two groups of flow paths alternately arranged, extruding and injecting the polymerizable liquid materials into a polymerization apparatus, polymerizing the liquid materials, and withdrawing a plate-shaped product having a striped pattern extending from the surface to the interior or a plate-shaped product having said striped pattern in which the boundary area between the adjacent stripe lines of different colors is gradated.

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