国家/地区 中国（3） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 B65（5）
IPC小类 C01B（5）
IPC B32B027/08（2） B32B027/10（2） B32B027/16（2）
B32B027/32（2） B32B027/36（2） B32B029/00（2）
B65D005/00（2） C01B032/18（2） C01B032/184（2）
发明人 WAHLBERG J（2）
公开年 2022（3） 2021（2）
申请年 2021（5）
专利权人 TETRA LAVAL .（2）

Producing oxygen barrier material for packaging material involves providing and forwarding substrate material web, providing aqueous composition comprising graphene oxide comprising monolayer flakes of graphene oxide, and coating aqueous composition of graphene oxide onto substrate material web.

BERLIN M, WAHLBERG J, GUIDETTI G

Preparing aqueous composition of reduced graphene oxide used for producing gas-barrier coated material, by providing aqueous dispersion comprising graphene oxide, providing aqueous dispersion of nanocellulose compound, providing aqueous solution of reducing agent, and mixing aqueous dispersions.

WAHLBERG J, OESTLUND M

Method for efficiently producing graphene oxide film for graphene thermal conductive film, involves unwinding substrate, coating, peeling substrate and graphene oxide film, winding graphene oxide film and winding substrate, where coating process involves feeding, blade coating and drying.

SUN H, ZHOU R, LU J, ZHOU B

Storage process of graphene particles used for e.g. material learning, comprises mixing dried graphene solution and ethanol, granulating graphene by high-speed stirring and centrifugal crushing, drying graphene particles, storing graphene particles and processing separately.

YU Q

Manufacturing device of heat-conducting film, comprises coiling and uncoiling device, heat reducing furnace, graphitizing furnace and rolling device, where unwinding device performs substrate peeling and rewinding to graphene oxide film.

LI L, PAN Z, TAN H