Method for cleaning structural surface

Details Method for cleaning structural surface Method for cleaning structural surface

1998-03-12

2000-09-26

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Including forming a solidified or hardened coating for cleaning

134 6, 134 26, B08B 704

Patent

active

061237779

ABSTRACT:
A method for cleaning structural surface 1 by forming a substratum membrane 17a thereon through application and drying of a thin layer 16 of aqueous solution 5 of membrane-forming polymer 2 on a structural surface, spreading a fibrous reinforcing member 15 on the thin layer 16 before drying or the substratum membrane 17a after dried, and applying the aqueous solution 5 on the outer surface of the reinforcing member 15 while wetting it in such a manner that, upon drying, an overlying membrane 17b integral with both the substratum membrane 17a and the reinforcing member 15 is formed so as to generate a multi-layer membrane 18 having the substratum and overlying membranes sandwiching the reinforcing member. After causing foreign matters on the structural surface 1 to adhere onto the substratum membrane 17a, the multi-layer membrane 18 is peeled off from the structural surface 1.

REFERENCES:
patent: 3950185 (1976-04-01), Toyama et al.
patent: 5188675 (1993-02-01), Dormon-Brailsford
patent: 5779811 (1998-07-01), Machii et al.

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