国家/地区 中国（2） 韩国（2）
IPC部 C（4） A（2）
IPC大类 C08（4） C09（4） A42（2）
IPC小类 C08L（4）
IPC C08L023/06（4）
发明人 CHOI J H（2） HWAN J E（2） JO C W（2）
KIM H D（2）
公开年 2023（4）
申请年 2022（4）
专利权人

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S

High-strength high-temperature resistant and antistatic release film used in electronic power, mobile phone comprises antistatic layer arranged on original film layer of substrate, and release agent coating arranged on antistatic layer, and polymer antistatic agent including polythiophene.

YU X

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