Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1979-06-25
1981-10-27
Kendell, Lorraine T.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
52659, 264177F, 428399, D02G 300
Patent
active
042974143
ABSTRACT:
A reinforcing material for hydraulic substances such as cement, mortar, concrete or the like consists essentially of an elongated product of a synthetic resin having protrusions on its surface and which was obtained by extruding and subsequent stretching. The material produced by a method comprising mixing a polyethylene having a melt index of not more than 0.01 at 190.degree. C. under a load of 2.16 Kg with a polyethylene having a melt index of more than 0.01 thereby to obtain a polyethylene mixture having a melt index of 0.01 to 10, melt-extruding the polyethylene mixture under such conditions as to give an extruded product having a jagged surface and stretching the extruded product, whereby the reinforcing material having protrusions on its surface is obtained. Hydraulic substances with the reinforcing material incorporated therein are useful for production of concrete panels, concrete pipe, concrete channels, tetrapods, sleepers, tunnels, etc.
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Kendell Lorraine T.
Mitsui Petrochemical Industries Ltd.
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