国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08J（2）
IPC C08L097/02（2）
发明人
公开年 2023（2）
申请年
专利权人

Fresh-keeping packaging film material comprises gelatin, chitosan, plasticizer, antioxidant, heat stabilizer, silane coupling agent, antibacterial fresh-keeping agent, modified polylactic acid fiber, and titanium dioxide.

XI C, BAI R, LIU Y

Preparing polypropylene carbonate/agricultural and forestry biomass composite material used for e.g. producing packaging material, by e.g. melting and mixing pre-processed agricultural and woodland biomass, plasticizer and filler, molding to obtain porous material, introducing carbon dioxide foaming.

FU Y