Process for making insulating materials of low combustibility on

Details Process for making insulating materials of low combustibility on Process for making insulating materials of low combustibility on

1974-04-29

1976-10-19

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

264 41, 264 42, C08J 900

Patent

active

039869881

ABSTRACT:
There is provided a process for preparing insulating materials by first forming a foam product involving beating a mixture containing 5 to 15 parts by volume of water and 1 part by volume, of a keratin hydrolysate. To the foam thus prepared is added 1 to 80 parts by volume of a urea formaldehyde resin in a resol state and a setting agent. The mixture is then blended followed by the addition thereto of an inorganic and/or organic filler until the mixture assumes the consistency of a plastic mass. The plastic mass is then kneaded, poured into a mold, and then allowed to set and ripen.

REFERENCES:
patent: 2521582 (1950-09-01), Keil
patent: 3417037 (1968-12-01), Eastes
patent: 3457199 (1969-07-01), Wells
patent: 3470115 (1969-09-01), Moore
patent: 3554936 (1971-01-01), Braude
patent: 3740355 (1973-06-01), Klug
Edwin Theis, Chemical Abstracts, vol. 38, 4968.sup.8, (1944).
J. L. Stoves, Chemical Abstracts, vol. 38, 6307.sup.5 (1944).
M. Blackman, Chemical Abstracts, vol. 43, 6d (1949).
S. Riondet, Chemical Abstracts, vol. 45, 1354b (1951).

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