国家/地区 中国（3） 韩国（2）
IPC部 C（5）
IPC大类 C09（5） A42（2） C08（2）
IPC小类 C09D（5）
IPC C09J011/06（5）
发明人 CHOI J H（2） HWAN J E（2） JO C W（2）
KIM H D（2） ZHANG Y（2）
公开年 2023（5）
申请年 2022（5） 
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

Organic light-emitting diode supporting film comprises first substrate material layer, antistatic polyurethane pressure-sensitive adhesive protective layer, polyurethane elastomer layer, second substrate material layer, water-oxygen barrier layer and modified acrylic adhesive layer.

HUA L, CHEN Y, LIU Y

Breathable and waterproof safety helmet for inspection and diagnosis comprises safety helmet body that can be worn by workers performing safety inspection and diagnosis and has ventilation holes formed in the thickness direction.

CHOI J H, JO C W, KIM H D, HWAN J E

Waterproof helmet used in safety inspection and diagnosis applications, comprises helmet component, and waterproof film including concave-convex portion bonded to component through adhesive comprising crosslinking agent, viscosity modifier, tackifier, polypropylene and heat-resistant polyamide resin.

CHOI J H, JO C W, KIM H D, HWAN J E