Mortars and cements having improved freeze-thaw properties and m

Details Mortars and cements having improved freeze-thaw properties and m Mortars and cements having improved freeze-thaw properties and m

1979-11-13

1981-10-06

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 702

Patent

active

042933439

ABSTRACT:
Inorganic mortars, cements, and concrete are subject to crazing, cracking and spalling when subjected to alternate freezing and thawing. The present invention significantly decreases this affect by providing a network of tiny glass filaments having a hydrophilic surface throughout the mortars and cements. Preferably there should be more than approximately 675 lineal inches of network forming filament per cubic inch of mortar.

REFERENCES:
patent: 2681863 (1954-06-01), Croce et al.
patent: 3062670 (1962-11-01), Marzocchi et al.
patent: 3147127 (1964-09-01), Shannon
patent: 3289371 (1966-12-01), Pearson et al.
patent: 3948673 (1976-04-01), Chase et al.
patent: 4187275 (1980-02-01), Bracalielly et al.

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