国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4） B01（2） C09（2）
IPC小类 C08F（4） B01J（2） C09K（2）
IPC C08F212/36（4）
发明人
公开年 2023（4）
申请年 2022（4） 
专利权人

Bisphenol A synthetic composite resin catalyst comprises styrene based monomer, cross-linking agent, nanomaterials, and mercaptoalkyl quaternary ammonium salt containing N,N-trimethyl-3-mercaptopropyl quaternary ammonium salt.

FENG F, LIU S, TONG Z, CHEN X, ZHANG Y

Thick oil viscosity reducer composition useful for viscosity reduction of heavy oil transported by pipelines, and viscosity reduction of heavy oil in cold recovery comprises low molecular weight amphiphilic polymers and nano-hydrophobic modified materials.

MA C

Preparation of oil-soluble graphene-modified styrene-divinylbenzene copolymer hydrophobic catalyst carrier involves mixing polymer stabilizer and carboxymethyl cellulose, mixing modified graphene, ethylene dichloride and benzoyl peroxide, and mixing obtained oil phase with aqueous phase.

HE N, LUO L, CHEN H, LI C, LIU C, SHU D, SHU X

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