Sealing material for preventing water-leakage and method of manu

Details Sealing material for preventing water-leakage and method of manu Sealing material for preventing water-leakage and method of manu

1974-05-30

1977-02-08

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

112402, 260 302, 260 318R, 260 318B, 260 318L, 260 326R, 260 334R, 260844, C08K 505, C08K 510, C08K 512, C08L 2904

Patent

active

040071529

ABSTRACT:
A sealing material for the prevention of water-leakage used in, for example, waterproofed fabric and various building and construction materials is provided.
The sealing material consists of (a) a water-insoluble partially saponified polyvinyl alcohol having a saponification degree of 35 to 65% by mole and a number average polymerization degree of 500 to 3,500, and (b) 5 to 100 parts by weight, based on 100 parts by weight of said partially saponified polyvinyl alcohol, of a mixture of glycerin and the glyceryl ester of a carboxylic acid.

REFERENCES:
patent: 2448358 (1948-08-01), Dangelmajer
patent: 2611756 (1952-09-01), Pockel
patent: 2850471 (1958-09-01), Klein
patent: 2963461 (1960-12-01), Pockel
patent: 3516960 (1970-06-01), Martins et al.
Hach's Chemical Dictionary, Fourth Edition, McGraw-Hill, N.Y. 1969, p. 597.

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