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Accession Number:
AD0412336
Title:
THE DEVELOPMENT OF HEAT-RESISTANT PAINTS FOR METALS
Corporate Author:
SOUTHERN RESEARCH INST BIRMINGHAM AL
Report Date:
1963-03-15
Abstract:
Studies were made to develop a protective paint that could be cured at a low temperature to produce a heat-resistant and corrosion-resistant coating on metals. A paint-consisting of a mixture of zinc oxide, dimethyl hydrogen phosphite, and an aqueous dispersion of colloidal silica-was developed that cures at normal temperatures to consistently produce coatings that are hard, well bonded, and resistant to heat, water, thermal shock, corrosion by salt spray, weathering, and many common chemicals. The availability of moisture from the environ ment during the early stages of curing is critical in obtaining the desired properties the requirements have been defined. Other paint systems that were investigated during the studies included combinations of zinc oxide, dimethyl hydrogen phosphite, and ethyl acid phosphate zinc oxide and dimethyl hydrogen phosphite with hydrated silica and alumina zinc oxide with di-n- butylamine phosphate lithia and beryllia with organo-phosphorus compounds di methyl hydrogen phosphite with boron glass frits containing oxides of magnesium, zinc, barium, and phosphorus and zinc oxide and dimethyl hydrogen phosphite with several refractory-metal powders.
Descriptive Note:
Final rept. 28 May 1962-28 Feb 1963
Supplementary Note:
DOI: 10.21236/AD0412336
Pages:
0048
Distribution Statement:
Approved for public release; distribution is unlimited.
Contract Number:
NOW-62-0727
File Size:
1.93MB
