Fire-retardant for woody materials

Details Fire-retardant for woody materials Fire-retardant for woody materials

1988-01-15

1989-06-13

Locker, Howard J.

Compositions

Fire retarding

For wood or cellulosic material other than textile

106 1814, 106 1815, 106 1818, 106 1819, 106 182, 106 1821, 106 1824, 106 1831, 252601, 252606, 427393, 4273933, 427408, 427440, 4285371, 428541, 428920, 428921, C09K 2100, C09D 516, C09D 518, B27N 900

Patent

active

048390992

ABSTRACT:
A fire retardent for woody materials, which is an aqueous solution comprising 100 parts by weight as solids content of a water-soluble 3-(dialkylphosphonopropionamide) represented by the following general formula ##STR1## wherein each of R.sub.1 and R.sub.2 represents an alkyl group having 1 to 3 carbon atoms, and R.sub.3 represents a hyrogen atom or a methyl group, and at least 100 parts by weight as solids of a water-soluble melamine resin as essential ingredients and having a pH of not more than 3.

REFERENCES:
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patent: 3650670 (1972-03-01), Tesoro et al.
patent: 3816068 (1974-06-01), Rivlin
patent: 3976620 (1976-08-01), Golborn et al.
patent: 4063883 (1977-12-01), Hupfl et al.
patent: 4266976 (1981-05-01), Gregorian et al.
patent: 4334877 (1982-06-01), Gregorian et al.
patent: 4585703 (1986-04-01), Toguchi
ASTM D 2898-81, "Standard Methods for Accelerated Weathering of Fire-Retardant-Treated Wood for Fire Testing", pp. 825-828.
U.S.D.A. Forest Service Research Paper FPL I58-1971, "Evaluation of Fire-Retardant Treatments for Wood Shingles".
European Search Report Dated June 5, 1987.
Report on Fire Retardant Treated Western Red Cedar Shingles for E. T. Horn Co., La Mirada, California, Texas Forest Service, Mar. 24, 1983.
Report on Fire Retardant Treated Western Red Cedar Shingles, Texas Forest Service, Feb. 25, 1985.
Los Angeles Fire Department, 10-10-86, Specification for the Testing of Fire Retardant Surface Finishes & Methods of Application on Furnishings or Structures, LAFD Standard #52.
Report on Fire Retardant Treatment & Accelerated Weathering of Cedar Shingles Coated with "Roof Proof", Texas Forest Products Lab. 6/6/86.
Fire Test Evaluation of Cedar Shingles Coated with "Roof Proof" 6/30/86, U.S. Testing Co. Inc., California Branch.
Protection of Wood From Fire, Nov. 1986, Proceedings of S5.03-04, Session 18th IUFRO World Congress, Sappono, Japan. 79 pages.

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