发明名称 |
Biodegradable coatings of ionomer polymer |
摘要 |
A polymeric composite comprising a (a) urea; (b) a coating of sulfonated polymer which has about 10 to about 200 meq. of sulfonate groups per 100 grams of said sulfonated polymer, said sulfonate groups being neutralized with a polycaprolactone polymer having the formula: <IMAGE> wherein R1 or R2 is an alkyl, cycloalkyl or aryl group; R3, R4 and R5 are a hydrogen or alkyl, cycloalkyl, or aryl groups; m equals 1 to 20 and n equals 1 to 500, wherein said coating is deposited on the surface of said urea. |
申请公布号 |
US4741956(A) |
申请公布日期 |
1988.05.03 |
申请号 |
US19860883533 |
申请日期 |
1986.07.09 |
申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
THALER, WARREN A.;MANALASTAS, PACIFICO V.;DRAKE, EVELYN N.;LUNDBERG, ROBERT D. |
分类号 |
A01N25/10;C08F8/30;C08G81/02;C09D123/32;(IPC1-7):B32B27/32;B05D7/00 |
主分类号 |
A01N25/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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