UV Stabilizers, coating compositions and composite structures ob

Details UV Stabilizers, coating compositions and composite structures ob UV Stabilizers, coating compositions and composite structures ob

1981-03-30

1982-09-14

Hoke, V. P.

Stock material or miscellaneous articles

Composite

Of polycarbonate

524114, 524359, 428502, 428522, C08K 513

Patent

active

043496075

ABSTRACT:
Certain 3-alkylhydroxybenzophenone derivatives, such as 2,4-dihydroxy-3-methylbenzophenone have been found to be superior as UV stabilizers for a variety of organic polymeric substrates. Coating compositions of such stabilizers in organic resins, for example, melamine can be used to protect such polymeric substrates from the effects of exposure to UV radiation.

REFERENCES:
patent: 2659709 (1953-11-01), Daglisch et al.
patent: 2976259 (1961-03-01), Hardy et al.
patent: 3403183 (1968-09-01), Dobratz et al.
patent: 3879470 (1975-04-01), Munakata et al.
patent: 4126660 (1978-11-01), Lempkowicz et al.
patent: 4208465 (1980-06-01), Chang
Van Allen et al., J. Organic Chemistry, 19, (1954), pp. 1243-1251.
Jones et al., J. Chemical Society of London, 1932, Part I, pp. 1689-1693.

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