Controlled environmental deterioration of plastics

Details Controlled environmental deterioration of plastics Controlled environmental deterioration of plastics

1976-02-12

1977-09-27

Rzucidlo, Eugene C.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260DIG43, 526914, C08J 320

Patent

active

040513068

ABSTRACT:
There is disclosed the preparation of a degradable polymeric material consisting essentially of an organic polymeric base containing a degradation-promoting amount of a partially degraded organic polymer. The organic polymeric base and the degradation-promoting additive may be derived from the same or different polymers. The invention is especially useful in controlling the environmental deterioration of plastics. The rate of deterioration is a function of the environmental conditions such as light, oxygen, and temperature; the concentration of the additive; and the chemical structure(s) of both the base and the additive.

REFERENCES:
patent: 2911398 (1959-11-01), Vandenberg
patent: 2994679 (1961-08-01), Jones et al.
patent: 3772258 (1973-11-01), Lachowicz
"Modern Plastics" May 1957, pp. 170-176, 246-247.
"Macromolecules", vol. 1, pp. 97-98, Feb. 1968.
"Macromolecules", vol. 2, No. 6, pp. 587-597, Dec. 1969.
"Polymer Preprints", vol. 12, No. 2, Sept. 1971, pp. 81-90.

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