Process for making degradable polymers and degradable polymers o

Details Process for making degradable polymers and degradable polymers o Process for making degradable polymers and degradable polymers o

1974-10-24

1976-09-28

Welsh, M. J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260DIG43, 526914, C08F11002

Patent

active

039833089

ABSTRACT:
A novel process for making polymers degradable by the direct action of sunlight is disclosed. The process is based on the addition to the polymer of a compound having the formula: ##EQU1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and are selected from the group consisting of aromatic radicals with the proviso that one or two of them may be selected from the group consisting of hydrogen, alkyl, cycloalkyl and arylalkyl.

REFERENCES:
patent: 3320695 (1967-05-01), Moore, Jr.
patent: 3529944 (1970-09-01), Leas
patent: 3533763 (1970-10-01), Leas
patent: 3797690 (1974-03-01), Taylor et al.
Journal of Applied Polymer Science, vol. 11, pp. 2373-2379 (1967), Fox et al.
Journal of Applied Polymer Science, vol. 19, pp. 15-27 (1975), Cernia et al.

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