Method for imparting water-repellency to construction materials

Stock material or miscellaneous articles – Composite – Of silicon containing

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428454, C08J 312

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active

039565700

ABSTRACT:
A method for imparting water repellency to construction materials which comprises treating said materials with a solution containing alkali metal organosiliconates of which at least 10 percent of the alkali metal organosiliconates are alkali metal propylsiliconates.

REFERENCES:
patent: 2344579 (1944-03-01), Whitesides
patent: 2356542 (1944-08-01), Sloan
patent: 2507200 (1950-05-01), Elliott
patent: 2928752 (1960-03-01), Felletschin
patent: 3310417 (1967-03-01), Lerner et al.
patent: 3502500 (1970-03-01), Hoock
patent: 3589917 (1971-06-01), Hedlund
patent: 3772065 (1973-11-01), Seiler

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