国家/地区 中国（7）
IPC部 B（8）
IPC大类 C08（8） B29（5） C09（4）
B32（3） B05（2）
IPC小类 C08L（8） B29D（4） C08J（4）
C08K（4） B32B（3） C09D（3）
B05D（2）
IPC C08L069/00（8）
发明人 LIU Z（2）
公开年 2022（5） 2023（3）
申请年 2022（8）
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

Polycarbonate resin composition used as LED mask for emitting far-infrared rays, comprises single layer graphene which is contained.

KIM H S, LEE G J

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z

Backboard useful in fields of mobile phone backboard, comprises silicone layer, reinforcement layer and polycarbonate layer arranged in sequence from top to bottom, which has ultra-thin thickness, high strength and stain proof.

LIU W, GAN X, XU X, TAO Y

Straw material of high mechanical strength and toughness, used in hot beverage industry, comprises preset amounts of polylactic acid, auxiliary material containing nucleating agent, composite toughening agent and slipping agent, composite heat stabilizer, antibacterial agent and anti-aging agent.

HE X

Preparing polyethylene terephthalate (PETG) sheet surface nano-hardened coating comprises e.g. carrying melt extrusion on PETG and polycarbonate, injection molding to obtain PETG composite substrate, subjecting it to surface treatment to obtain pretreated substrate, and spraying slurry on surface.

KONG A, WU Y, YE K, ZHOU X, KONG X, YE W

Preparing completely biodegradable wrapping film used for packaging goods e.g. electronics, comprises uniformly mixing materials required for supporting layer and adhesive layer, extruding and granulating, and passing supporting and adhesive modified material layers by three-layer co-extrusion.

ZHEN W, ZHENG H

Surgical gown and protective clothing manufacturing material useful e.g. for preventing bacteria, comprises outer layer, middle layer and inner layer, where outer layer is antibacterial layer, middle layer is microfiber non-woven fabric, and inner layer is waterproof and breathable layer.

LI L, GUO D