Dry grout and method of distribution aluminum therein

Details Dry grout and method of distribution aluminum therein Dry grout and method of distribution aluminum therein

1990-11-30

1992-06-02

Dixon, Jr., William R.

Coating processes

Solid particles or fibers applied

Applying superposed diverse coatings or coating a coated base

427205, 427216, 106403, 106404, 106641, 106814, 428403, 428404, 428406, B05D 714, B32B 516

Patent

active

051185270

ABSTRACT:
A method of packaging dry grout involving a novel aluminum product for use in packaged dry grout. Aluminum flakes conventionally used as an expanding agent in a grout fluidifier are coated with a film which has limited sensitivity to the moisture and the alkali (cement) in dry grout and are then blended with the materials (comprising cement ) to be packaged as a dry grout for mixing with water to form a wet grout. The coating used is highly sensitive to the water and/or alkaline nature of the wet grout and readily deteriorates when the dry grout is mixed with water. A coating and binder, e.g., sodium silicate, may be used to coat the aluminum flakes and to adhere the aluminum to micro-particles, such as glassy microspheres, prior to a dry grout blending operation.

REFERENCES:
patent: 2835602 (1958-05-01), Benner
patent: 3649317 (1972-03-01), Houseknecht
patent: 4621024 (1986-11-01), Wright

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