Reinforcing material for hydraulic substances and method for the

Details Reinforcing material for hydraulic substances and method for the Reinforcing material for hydraulic substances and method for the

1981-06-30

1983-04-12

Kendell, Lorraine T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

52659, 106 90, 106 99, 428323, 428399, 428400, 428411, 524 4, 524 5, 524 7, 524 8, C08K 334, D02G 300

Patent

active

043798705

ABSTRACT:
Reinforcing material for hydraulic substances such as cement, mortar, concrete or the like and a method for producing it. The reinforcing material 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 method comprises mixing a polyethylene having a melt index of not more than 0.01 at 190.degree. C. under the 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 is useful for production of concrete panel, concrete pipe, concrete channel, tetrapod, sleeper, tunnel, etc.

REFERENCES:
patent: 3127915 (1964-04-01), Bottomley
patent: 3592727 (1971-07-01), Weaver et al.
patent: 3645961 (1972-02-01), Goldfein
patent: 4133928 (1979-01-01), Riley
patent: 4233364 (1980-11-01), Von Thiel
patent: 4297414 (1981-10-01), Matsumoto

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