Method and apparatus for extrusion molding fiber-and cement-cont

Details Method and apparatus for extrusion molding fiber-and cement-cont Method and apparatus for extrusion molding fiber-and cement-cont

1987-04-15

1991-10-22

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Orienting or aligning solid particles in fluent matrix material

26421124, 264333, 4253824, 425467, B29C 4712

Patent

active

050593714

ABSTRACT:
In the case of extruding a W/O type emulsion having a high viscosity obtained by stirring a mixture of a vinyl monomer solution composed of a vinyl monomer which is water insoluble and in a liquid state at normal temperature, a surface active agent having a hydrophilic-lipophylic balance of 3 to 6, and a polymerization catalyst with water, cement, and synthetic fibers through a die, at least one rectifying plate having a given form is disposed in the die near the outlet thereof to direct the synthetic fibers in the W/O type emulsion to the extruding direction.
When the tabular plate obtained by extrusion-molding the W/O type emulsion by the method of this invention is hardened and dried, a light-weight and high-strength plastic concrete suitable for building materials is obtained.

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