POLYETHYLENE OF IMPROVED STABILITY
Patent
·
OSTI ID:4168933
Radioinduced cross-linking in polyethylene is increased if the irradiation is done while in a modified state. This state is accomplished by heating to 110 or 150 deg C and then cooling to irradiation temperature at which crystallization would normally occur. In an example, 2-mil polyethylene film samples (m.w. = 21,100) were heated at 150 deg C to destroy crystallinity and cooled in 1 or 2 min to irradiation temperatures ranging from -200 to +200 deg C, and percent cross-linking was compared for the samples after 7.8 x l0/sup 6/R. The modified polyethylene had more crosslinking and more physical stability. (T.R.H.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-008485
- OSTI ID:
- 4168933
- Report Number(s):
- GB 818963
- Country of Publication:
- United Kingdom
- Language:
- English
Similar Records
IMPROVED IRRADIATED POLYETHYLENE
IMPROVEMENTS IN THE TREATMENT OF POLYETHYLENE AND LIKE POLYOLEFINS AND IN PRODUCTS OBTAINED THEREBY
THE DEVELOPMENT OF CRYSTALLINITY AND TRANSPARENCY IN IRRADIATED POLYETHYLENE
Patent
·
Tue Mar 22 23:00:00 EST 1960
·
OSTI ID:4174733
IMPROVEMENTS IN THE TREATMENT OF POLYETHYLENE AND LIKE POLYOLEFINS AND IN PRODUCTS OBTAINED THEREBY
Patent
·
Wed May 03 00:00:00 EDT 1961
·
OSTI ID:4015500
THE DEVELOPMENT OF CRYSTALLINITY AND TRANSPARENCY IN IRRADIATED POLYETHYLENE
Journal Article
·
Sat Jul 01 00:00:00 EDT 1961
· J. Appl. Polymer Sci.
·
OSTI ID:4833011