国家/地区 中国（7）
IPC部 C（7） B（3）
IPC大类 C07（7）
IPC小类 C08G（7）
IPC C07D235/04（2） C08G073/06（2） C08K003/04（2）
C08K007/06（2） C08K007/14（2）
发明人 WANG Y（3） ZHANG Y（2）
公开年 2022（4） 2021（3）
申请年 2021（7）
专利权人 AORUILONG NE.（2） HT MATERIALS.（2） WANG Y（2）

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

Plastic hydrolysis using binuclear metal complex catalyst, comprises carrying out plastic hydrolysis reaction in alkaline aqueous solution in presence of binuclear metal complex as catalyst to obtain monomer.

HU Q, ZHANG Y, ZHANG S, NIU Z

Esterification of purified terephthalic acid and 1,4-butanediol useful for producing polybutylene adipate terephthalate, comprises adding terephthalic acid, 1,4-butanediol and polymerization degree catalyst into a reaction kettle, introducing nitrogen, and reacting.

LIU G, LIU S, XU W, GUO T, HAN Y, ZHOU B, ZHENG L, LIU Y, HAO D, WANG X, CAO F, WANG C, WANG M, LI Z, LI J, ZHAO N, SHI C, SHI R

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

Polymeric composition used in article of manufacture, comprises copolymer with recurring unit containing 1-methyl-3-(4-(4-methyl-benzoyl)-phenyl)-1,3-dihydro-benzoimidazol-2-one having compound and recurring unit containing (4-(4-hydroxy-phenoxy)-phenyl)-phenyl-methanone having compound.

WANG Y

Manufacture of naphthyl silole compound used for preparing graphene nanoribbons, involves reacting brominated/iodinated biphenyl compound with lanthanoid-and-lithium-containing ate complex, and reacting obtained lanthanoid complex with silyl compound.

ITAMI K, ITO H, MATSUSHIMA K, MURAKAMI K, NAKATSUJI H, ISHIDA S

Preparing high-strength silicone elastomer based on modified polyphenol crosslinking, by performing alcoholysis reaction between polyphenol and acryl-containing compound in organic solvent, performing post-treatment, mixing amino polysiloxane and acryl-modified polyphenol, curing and crosslinking.

WANG D, KONG S, FENG S, WANG L, WANG W