Flame resistant polyurethane foam and the method for manufacturi

Details Flame resistant polyurethane foam and the method for manufacturi Flame resistant polyurethane foam and the method for manufacturi

1978-02-27

1980-09-09

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521163, 521906, C08G 1814, C08G 1832

Patent

active

042218756

ABSTRACT:
According to the present invention polyurethane foams, can be obtained as flame resistant and non-corrosive product. The invention specifies the foaming of raw material mixture comprising polyhydroxyl compound, polyisocyanate, blowing agent and etc. to be carried out in the presence of melamine powder added thereto as novel flame retardant, the final products being inexpensive and suitable to be used as structural material, etc.

REFERENCES:
patent: 3399151 (1968-08-01), Kaiser
patent: 3462381 (1969-08-01), Eaton et al.
patent: 3824239 (1974-07-01), Narayan et al.
patent: 3897372 (1975-07-01), Kehr et al.
patent: 4098729 (1978-07-01), Kollmeier
patent: 4139501 (1979-02-01), Rudner et al.

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