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 Alk is a monovalent aliphatic hydrocarbon radical containing 1 to 18 carbon atoms.
- 2. The composition of claim 1 wherein the additive is N,N-dichloro-urethane.
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 |
3376275 |
Bayerlein et al. |
Apr 1968 |
|
3865767 |
Boberg |
Feb 1975 |
|
Non-Patent Literature Citations (3)
Entry |
"Journal of Applied Polymer Science", vol. 20, 463-472 (1976) Freedman et al. |
"Chemical Reviews", vol. 48, pp. 291-314 (1946) Djerassi. |
"Chemical Reviews", vol. 63, pp. 21-43 (1963) Filler. |
Divisions (2)
|
Number |
Date |
Country |
Parent |
582507 |
May 1975 |
|
Parent |
453911 |
Mar 1974 |
|