Phenol-formaldehyde intumescent coating composition and coating prepared therefrom

Intumescent coatings which form a thick, uniform, fine celled, low density foam upon exposure to a high intensity heat flux or flame are disclosed, the invention coatings comprise phenolic resin prepolymer containing a blowing agent and a nucleating agent; in the preferred embodiments the coatings also contains a silicone surfactant, the coatings are useful in thermal and fire protection systems

Development of Low-Cost Roofing from Indigenous Materials in Developing Nations

Second annual report covering May 1974 through September 1975 for the Agency for International Development, Department of State. Building Materials. (301)The digital Cuny Archive was made available in part through funding assistance from USAID.This report covers Phase II (May 1974 through September 1975) of a 3-1/2 year research effort to match indigenous fibers and fillers with low cost binders to produce improved roofing for developing countries. The ultimate goal of the program is to make available, in at least three countries, one each in Latin America, Asia, and Africa, an economically and technically acceptable roofing system requiring less foreign exchange than existing alternatives.Contract No. AID/CM/ta-C-73-1