| 发明名称 |
Biodegradable film compositions prepared from starch and copolymers of ethylene and acrylic acid |
| 摘要 |
Biodegradable film compositions which will withstand outdoor exposure for a desired time and then disintegrate are prepared from starch and ethylene acrylic acid copolymers. These film compositions are useful for agricultural mulch and heat-sealable packaging.
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| 申请公布号 |
US4133784(A) |
申请公布日期 |
1979.01.09 |
| 申请号 |
US19770837491 |
申请日期 |
1977.09.28 |
| 申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF AGRICULTURE |
发明人 |
OTEY, FELIX H.;WESTHOFF, RICHARD P. |
| 分类号 |
C08J5/18;C08L3/00;(IPC1-7):C08L3/00;C08L3/04 |
主分类号 |
C08J5/18 |
| 代理机构 |
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代理人 |
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| 主权项 |
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