国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09J011/04（2）
发明人 ZHANG Y（2）
公开年 2023（2）
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

Heat-resistant and wear-resistant composite plate comprises high-temperature-resistant substrate, wear-resistant metal panel, heat-resistant adhesive layer and wear-resistant coating, heat-resistant adhesive layer includes heat-resistant adhesive layer compound.

ZHANG Y, RAN Y, XU J, DOU Q, ZU X