国家/地区 中国（6）
IPC部 C（6）
IPC大类 C08（6）
IPC小类 C08G（6）
IPC C08G083/00（2） C08K003/04（2） C09D007/61（2）
C09D007/65（2）
发明人 WANG Y（6）
公开年 2022（6）
申请年 2021（6）
专利权人

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q

Preparing anti-protein adsorption marine antifouling agent for preventing attachment of marine organisms, involves preparing graphene oxide/copper oxide composite, obtaining suspension followed by preparing dichloromethane solution of 2-bromoisobutyryl bromide, and adding copper bromide.

GU J, TAO B, DU F, LI L, CHEN H, WANG H, CHENG J, SHANGGUAN X, WANG Y, GUO X, HUANG D

Preparing graphene modified benzoxazine resin comprises preparing benzoxazine intermediate, modifying benzoxazine intermediate, stirring, adding graphene nano sheet, continuously reacting until reaction liquid is transparent, completing reaction and obtaining graphene modified benzoxazine resin.

WANG Y, ZHU D, SUN H, WANG F, QUAN K, WANG P, LIU S

Aqueous ultra-fast dry anticorrosive paint used for petroleum steel pipe, includes BF8021 aqueous ultra-fast dry anticorrosive resin, propylene glycol methyl ether, BF911 dispersant, BF505 antifoaming agent and dimethylethanolamine.

WANG Y

Semicrystalline poly(aryl ether ketone) copolymer compositions are used in high pressure and high temperature environment, comprises copolymer having two separate recurring units, first recurring unit and second recurring unit.

WANG Y

Impermeable anti-corrosion coating with excellent stability and strong adhesion comprises styrene-acrylic emulsion, ethylene glycol monobutyl ether, thickening agent, antifoaming agent, anti-flash rust agent, leveling agent, aqueous ammonia, silane coupling agent, filler, and dimethyl cyclosiloxane.

LAN F, WANG Y