Cyclic phosphites of sugar alcohols and polymers stabilized ther

Details Cyclic phosphites of sugar alcohols and polymers stabilized ther Cyclic phosphites of sugar alcohols and polymers stabilized ther

1977-07-22

1978-11-14

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252407, 260 23XA, 260 458A, 260 458R, 260 4595R, 536117, C08K 552, C08B 3700

Patent

active

041255003

ABSTRACT:
The invention is related to novel phosphites of sugar alcohols, their use as stabilizers for organic polymers, furthermore to stabilizer compositions containing these novel phosphites as well as the organic polymers stabilized therewith.
The novel phosphites have a good stabilizing effect, especially in combination with known stabilizers, and they are substantially stable against hydrolytical influence. Their volatility and tendency to exudation are very weak.

REFERENCES:
patent: 2265585 (1941-12-01), Urbain et al.
patent: 3082189 (1963-03-01), Mack et al.
patent: 3103507 (1963-09-01), Knoevenagel
patent: 3287299 (1966-11-01), Canarios
patent: 3382236 (1968-05-01), Guttag
patent: 3459835 (1969-08-01), Dever et al.
patent: 3472919 (1969-10-01), Nagy et al.
patent: 3652743 (1972-03-01), Harris et al.

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