发明名称 |
Encapsulated breaker chemical |
摘要 |
According to the present invention, there is provided a coated breaker chemical in which the coating comprises a blend of a neutralized sulfonated ionomer and asphalt. Preferably, the coating contains from about 1 to 20 wt. % asphalt and from 99 to 80 wt. % of the neutralized sulfonated ionomer. In a particularly preferred embodiment of the present invention, the coating contains about 7 wt. % asphalt and about 93 wt. % of the neutralized sulfonated ionomer.
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申请公布号 |
US5580844(A) |
申请公布日期 |
1996.12.03 |
申请号 |
US19940250219 |
申请日期 |
1994.05.27 |
申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
SWARUP, VIJAY;PEIFFER, DENNIS G.;GORBATY, MARTY L. |
分类号 |
C08L23/32;C09K8/62;(IPC1-7):C08L25/10;E21B43/26 |
主分类号 |
C08L23/32 |
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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