国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3） C09（3）
IPC小类 C08F（3）
IPC C08F212/08（3）
发明人
公开年 2022（2）
申请年 2022（3）
专利权人

Preparing powdery, drag reducing agent for drilling fluid, involves adding modified graphite powder and rubber powder to mixture of styrene, catalyst and crosslinking agent, polymerizing formed mixture with polymer, where weight ratio of styrene, graphite powder, rubber and polymer used, is preset.

LI Y, XIE L, ZHU G, XIA H, ZENG Y, QIN B, YE L, LUO C, LIU Y, ZHAO S, YANG J, LIU H, LI S

Preparing phase-change heat storage material elastic film, comprises e.g. mixing phase change wax and monomer e.g. ethyl acrylate, polyvinyl monomers, adding monomer e.g. styrene and polyvinyl monomer to obtained emulsion, adding wetting agent and thickener to obtained emulsion, then coating on film.

WU R

Functionalized graphene oxide plugging agent comprises graphene oxide, styrene, acrylate compound, persulfate, acrylic acid compound, sodium dodecyl sulfate, aminosilane compound, nonylphenol polyoxyethylene ether, and is prepared by mixing raw material into reactor filled with distilled water.

CHEN M, TANG R, TANG W, BAI Y, WANG R, HE Y, XIE G