国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B037/10（3）
发明人
公开年 2022（2）
申请年 2021（3）
专利权人

Dry composite paper plastic zipper packaging bag comprises bag body and zipper provided on bag body, and bag body made of composite film, composite film sequentially includes e.g. biaxially oriented polypropylene layer, first adhesive layer, kraft paper layer, second adhesive layer.

HUANG Y

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

Nickel-based boron carbide composite packaging material comprises e.g. graphene, modifier, carbon nano tube, carbon fiber and metal element filler as first composite layer, and nickel, boron carbide, and aromatic compound.

LI Y