发明名称 |
ENHANCED OXYGEN BARRIER PERFORMANCE FROM MODIFICATION OF ETHYLENE VINYL ALCOHOL COPOLYMERS (EVOH) |
摘要 |
<p>Herein is disclosed a modified ethylene vinyl alcohol polymer (EVOH) comprising an oxygen scavenging functional group. Preferably, the modified EVOH comprises structures IV, V, and VI: wherein x is an integer greater than or equal to 1, y is an integer greater than or equal to 1, z is an integer greater than or equal to 1, and R comprises a cycloalkenyl group. The modified EVOH is useful in oxygen barrier applications, such as a forming an oxygen barrier layer of a packaging article. Also disclosed are methods of modifying ethylene vinyl alcohol polymers, and using the modified EVOH to make packaging articles with a superior barrier to entry by atmospheric oxygen.</p> |
申请公布号 |
CA2408882(A1) |
申请公布日期 |
2001.11.29 |
申请号 |
CA20012408882 |
申请日期 |
2001.05.18 |
申请人 |
CHEVRON PHILLIPS CHEMICAL COMPANY LP |
发明人 |
CAI, GANGFENG;CHING, TA YEN;YANG, HU |
分类号 |
B65D81/26;A22C13/00;B32B27/28;B65D65/40;C08F2/50;C08F8/00;C08F8/48;(IPC1-7):C08F8/00 |
主分类号 |
B65D81/26 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|