国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D005/00（2）
发明人 ZHANG Y（2）
公开年
申请年 2022（2）
专利权人

Preparing long-chain polymer glue used improve thread connection performance of oil pipe, comprises adding polyacrylic acid and catechol to deionized water, adding boric acid solution, adjusting pH with sodium hydroxide solution under nitrogen protection, and mechanically stirring.

FAN H, LI S, LI H, FANG X, TUO C, LIU Z, GAO Z, ZHANG Y, NAN B, WANG J

Coating useful for preventing fresh water shell vegetable from adhering comprises flexible epoxy sealing bottom coating, organic silicone anti-adhesion middle coating and fluorine silicone oil modified silicone rubber surface coating from inside to outside.

WENG M, ZHANG S, WANG Y, LU G, LI J, ZHANG H, SONG Y, HUANG J, DING Q, ZHANG Y