国家/地区 中国（6）
IPC部 B（6）
IPC大类 B32（6）
IPC小类 B32B（6）
IPC B32B009/02（6）
发明人 LI L（2） LIU J（2） XU C（2）
YANG Y（2） YU Q（2）
公开年 2021（3） 2023（2）
申请年 2021（4）  2020（2） 
专利权人 GREATVIEW BE.（2）

Barrier layer useful for composite packaging material for preparing packaging container, has outermost waterproof layer, base layer, a barrier layer, and innermost layer that is in contact with the contents of the package, where the barrier layer includes nanocellulose.

LIU J, YU Q, YANG Y, LI L, XU C

Composite packaging material useful for liquid package, comprises outermost waterproof layer, base layer, barrier layer and innermost layer in contact with contents of package, barrier layer comprises nanocellulose.

LIU J, YU Q, XU C, YANG Y, LI L

Producing paper packaging bag comprises impregnating inner packaging base paper layer, and outer packaging base paper layer, drying, coating impregnated inner packaging base paper layer and outer packaging base paper layer with barrier adhesive material, hot pressing and cooling.

NI H, CHEN F, YANG J

High-strength ramie fiber composite gum dipping paper with good anti-sunning performance, has heat conducting layer that is provided with layer of anti-corrosion layer, and lower surface of layer provided with waterproof layer.

GAO F

Composite soundproof flame-retardant cotton felt used for automobile interior trim, includes fiber cotton felt layer whose inner cavity is equidistantly provided with through-holes, polyethylene film, graphene layer, and metal layer.

LI R

Lubricating cover plate comprises main board layer formed by stacking multiple layers of phenolic resin board and artificial fiberboard through hot pressing, and lubricating glue layer wrapped on outer side of main board layer.

ZOU X