Environmental Engineering Reference
In-Depth Information
Figure 6.8
Weathering of unstabilized LDPE films (
open symbols
) and
enhanced photodegradable ECO copolymer (
filled symbols
) exposed
outdoors in Miami, FL.
Table 6.2
Location-dependent Enhancement in
Photodegradation Obtained Using ECO Copolymer in Place of
LDPE Laminate of Same Thickness (Andrady et al., 1993a)
Location of
exposure
Degradable plastic
ECO (
B
× 10
3
) days
−1
Control plastic LDPE
(
B
× 10
3
) days
−1
B
*/
B
Cedar Knolls,
NJ
52
9.5
5.5
Chicago, IL
87
4.3
20
Miami, FL
69
14
4.9
Seattle, WA
40
4.2
9.5
Whitman, AZ 257
25
10
