发明名称 A PROPPANT
摘要 A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight based on the total weight of the proppant, and a polyurethane coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight based on the total weight of the proppant. The polyurethane coating comprises the reaction product of an isocyanate component and an isocyanate-reactive component comprising a polydiene polyol.
申请公布号 US2016376496(A1) 申请公布日期 2016.12.29
申请号 US201415038827 申请日期 2014.11.25
申请人 BASF SE 发明人 GERSHANOVICH Alexander;TANGUAY Christopher M.
分类号 C09K8/80;C09K8/88;C09D175/14;C09K8/68 主分类号 C09K8/80
代理机构 代理人
主权项 1. A proppant for hydraulically fracturing a subterranean formation, said proppant comprising: A. a particle present in an amount of from 90 to 99.5 percent by weight based on the total weight of said proppant; and B. a polyurethane coating disposed about said particle and present in an amount of from 0.5 to 10 percent by weight based on the total weight of said proppant, said polyurethane coating comprising the reaction product of; an isocyanate component, and an isocyanate-reactive component comprising a polydiene polyol.
地址 Ludwigshafen DE