NASA NTRS ยท 19730000085
Fire retardant cellulosic foam
Abstract
Method mixture of cyanamide, phosphoric acid, and monobasic ammonium phosphates for preliminary treatment of paper. Papier-mache, in second step, is pulped in water and latex is added. Urea formaldehyde solution mixed to maximize foaming and resin dispersion is added. Mixture is then cast within 30 to 60 seconds and dried twice.
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Luttinger, M.. 1973-03-01. Fire retardant cellulosic foam. https://ntrs.nasa.gov/citations/19730000085
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