Photodegradable compositions

Details Photodegradable compositions Photodegradable compositions

1993-04-19

1993-12-28

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523124, 523125, C08J 508

Patent

active

052740196

ABSTRACT:
A polymer composition comprises a minor amount of a pro-degradant selected from essentially carboxycylic .beta.-diketones and metal complexes thereof, e.g. 2,2'-methylene(1,3-cyclohexanedione) or its Mn(II) or Zn complex. A film of the composition may be used for the protection of seeds or seedlings at an agricultural or horticultural locus.

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patent: 4102839 (1978-07-01), Crochemore et al.
patent: 4121025 (1978-10-01), Scott et al.
patent: 4252698 (1981-02-01), Ito et al.
patent: 4360606 (1982-11-01), Tobias et al.
patent: 4939194 (1990-07-01), Scott et al.
patent: 5070128 (1991-12-01), Gay
Yogev, A., Studies in Linear Dichroism, Journal of the American Chemical Society, vol. 74, No. 6, 6059-6061, Oct. 7, 1970.

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