Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1999-07-02
2000-11-07
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
548252, 568633, C07C 6976, C07C 4100
Patent
active
061439185
ABSTRACT:
Methods for preparing novel dibenzoylresorcinol-based compounds are disclosed, wherein the dibenzoylresorcinol is bonded to the residue of either an alcohol or a carboxylic acid group, via a methylene carboxylate linking group; and wherein the dibenzoylresorcinol is bonded directly to a substituted or unsubstituted aryl group which does not include a pendent hydroxyl group. The groups attached to the dibenzoylresorcinol may contain a wide variety of functional sites which permit further reaction, e.g., copolymerization. The described compounds are very useful as UV light absorbers and may be used to form improved coating compositions which usually include a transparent, polymeric matrix material. The coating compositions may be applied to various substrates, e.g., thermoplastics, to afford a selection of enhanced properties, such as UV light resistance and abrasion resistance.
REFERENCES:
patent: 2794052 (1957-05-01), Gordon et al.
patent: 2861976 (1958-11-01), Gordon et al.
patent: 3395184 (1968-07-01), Dressler et al.
patent: 5391795 (1995-02-01), Pickett
Abstract: "Benzene Derivatives"--Substituted diacylresorcinols. D.A. Gordon (to Dow Chem. Co., Apr. 19, 1960. p. 14190.
Abstract: "Noncondensed Aromatics"--20116z--Methylenebis (benzophenone) derivatives. Minagawa, Motonobu, Kubota, Naohiro, Shibata, Toshihiro (Adeka Argus Chem. Col., Ltd) Japan, vol. 91, 1979.
Gillette Gregory Ronald
Liao Wen P
Pickett James Edward
Simonian Amy Kathleen
Brown S. Bruce
General Electric Company
Johnson Noreen C.
Killos Paul J.
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