Claims
- 1. A photodegradable composition comprising a polyolefin and about from 0.1 to 10%, based on the weight of polyolefin, of an additive of the structure -- ##STR17## wherein X is chlorine, bromine, or iodine, Y is hydrogen, chlorine, bromine, or iodine, and R"" is hydrogen, a lower alkyl radical, chlorine, bromine, or iodine.
- 2. The composition of claim 1 wherein the additive is N,N-dichlorobenzenesulphonamide.
Parent Case Info
This is a division of our copending application Ser. No. 582,507, filed May 30, 1975, now U.S. Pat. No. 3,968,095, which in turn is a division of our prior application Ser. No. 453,911, filed Mar. 22, 1974, now U.S. Pat. No. 3,932,352.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3865767 |
Boberg |
Feb 1975 |
|
3870768 |
Blackwood et al. |
Mar 1975 |
|
Non-Patent Literature Citations (5)
Entry |
"Journal of Applied Polymer Science", vol. 20, pp. 921-929 (1976) Freedman. |
"Journal of Applied Polymer Science", vol. 20, pp. 911-919 (1976) Freedman. |
"Journal of Applied Polymer Science", vol. 20, pp. 463-472 (1976) Freedman et al. |
"Chemical Reviews", vol. 43, pp. 291-314 (1948) Djerossi. |
"Chemical Reviews", vol. 63, pp. 21-43 (1963) Filler. |
Divisions (2)
|
Number |
Date |
Country |
Parent |
582507 |
May 1975 |
|
Parent |
453911 |
Mar 1974 |
|