Bonding composition for incombustible fibrous materials

Details Bonding composition for incombustible fibrous materials Bonding composition for incombustible fibrous materials

1979-06-27

1980-09-23

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

With coating after drying

162152, 162155, 162156, 162157R, 162159, 162164R, 162168N, 162168NA, 162183, 162184, 162185, 4273898, 4273933, D21H 110, B05D 302

Patent

active

042241030

ABSTRACT:
A bonding composition for incombustible fibrous materials comprising (a) a water-soluble polymer containing hydrazide groups or its adduct with a water-soluble alkaline earth metal salt of an inorganic acid and (b) a heavy metal ion capable of forming chelate with the water-soluble polymer or its adduct. The bonding composition is employed as bonding agents to prepare incombustible sheet materials from incombustible fibrous materials by adding the components (a) and (b) to an aqueous dispersion of the fibrous materials and forming sheets or by forming wet or dry sheets containing the component (b) and then making the component (a) contain in the sheets. The bonding composition has excellent bonding effect and the polymer itself becomes incombustible, so incombustible sheet materials having excellent strength can be economically obtained.

REFERENCES:
patent: 4171413 (1979-10-01), Hartman et al.
Machida, "An Application of Polyacrylic Hydrazide", Sci. Reports of Fac. of Tex. Fib., Kyoto University of Ind .Arts & Tex. Fib., vol. I, (1970), pp. 38-43.

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