国家/地区 韩国（2）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B29B（3） B29C（3） C08K（3）
C01B（2） C09D（2）
IPC B29B009/06（3）
发明人 CHOI Y S（2）
公开年 2022（2）
申请年 2022（3）
专利权人 MAJOONGMUL C.（2）

Preparing electromagnetic shielding composite material comprises drying L-polylactic acid, stereo polylactic acid, polystyrene, carbon-based fillers or metal fillers, melt blending and extruding, pelletizing, crushing and sieving.

ZHONG M, YANG J, CHEN F, KUANG T, FENG H, LIU T

Manufacturing food packaging material e.g. for fruit, comprises e.g. blending graphene raw material and polyethylene, extruding graphene-containing polyethylene pellets processed into film processing facility.

CHOI Y S

Manufacture of food packaging container for food and beverage, involves preparing raw material by blending graphene raw material based on polyethylene, melt-extruding blend, cooling, cutting, melting, injecting into mold, and molding into food packaging container.

CHOI Y S