Manufacture of articles from an organic material and a water-har

Details Manufacture of articles from an organic material and a water-har Manufacture of articles from an organic material and a water-har

1979-11-06

1981-10-27

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

264136, 264257, 264258, 264333, 264DIG47, 428252, 428255, 428265, 428310, 428910, 428294, 428224, B32B 700

Patent

active

042974097

ABSTRACT:
A material primarily for replacing asbestos-cement products includes a reinforcing network of continuous, fibrillated organic film and a water-hardened mass such as Portland cement and sand or alternatively gypsum. The organic film may be a polyolefin such as polypropylene or high modulus polyethylene. The reinforcement may be incorporated as a woven or non-woven network.
A process for making such a material is also described.
The material has, in some respects, superior properties in relation to those of asbestos-cement.

REFERENCES:
patent: 3591395 (1971-07-01), Zonsveld et al.
patent: 4242407 (1980-12-01), Byen

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