Stabilized polyvinyl butyral and stabilizer for polyvinyl butyra

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 4595R, 260 4595C, 260 4595S, 260 73L, 428437, C08K 549

Patent

active

039503054

ABSTRACT:
Stabilized polyvinyl butyral is obtained by incorporating a usual phenolic stabilizer together with a phosphorous acid triester, the composition containing from about 0.6 to 4.5 % by weight of the sum of the phenolic stabilizer and the phosphorous acid triester based on the resin. The stabilized polyvinyl butyral resin which may be plasticized is used for laminated glass or baking varnishes.

REFERENCES:
patent: 3346526 (1967-10-01), Buckley et al.
patent: 3535277 (1970-10-01), Miller et al.
patent: 3567682 (1971-03-01), Zaweski
patent: 3746654 (1973-07-01), Cottman

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