| 发明名称 |
COATED PARTICLES AND METHODS FOR THEIR MANUFACTURE AND USE |
| 摘要 |
Disclosed are coated particles, such as proppants, processes for their preparation and methods for using such particles, such as in a hydraulic fracturing process. The coated particles include a coating that includes a crystalline or semicrystalline polyester/polyurethane having a decrystallization temperature of at least 35° C. |
| 申请公布号 |
US2015034314(A1) |
申请公布日期 |
2015.02.05 |
| 申请号 |
US201313956532 |
申请日期 |
2013.08.01 |
| 申请人 |
Bayer MaterialScience LLC |
发明人 |
Hudson Kevan;Dormish Jeffrey F.;Jeffries Michael K. |
| 分类号 |
C09K8/80;B05D3/00;E21B43/16 |
主分类号 |
C09K8/80 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A coated particle comprising:
(a) a substrate particle having a particle size of no more than 3 mesh; and (b) a coating disposed over at least a portion of the particle, wherein the coating comprises a crystalline or semicrystalline polyester/polyurethane having a decrystallization temperature of at least 35° C. |
| 地址 |
Pittsburgh PA US |
