国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4） C08（4）
IPC小类 B29D（4）
IPC C08L069/00（4）
发明人
公开年 2021（4）
申请年 2021（2） 
专利权人

Transparent unplasticized polyvinyl chloride pipe material comprises polyvinyl chloride, crosslinking agent, filler, stabilizer, heat-resistant filler, strengthening agent, and compatibilizer.

LIU J, JIANG F, DAI Y

Preparing barrier type polyester packaging material useful in daily necessities, comprises e.g. melting, mixing and extruding polyester, polymer, compatibilizer, functional auxiliary agent and two-dimensional filler, cooling and stretching.

MA P, NIU D, PAN J, YANG W, XU P

Acrylic sheet comprises methyl cyanoformate, chloromethyl acetate, dimethacrylic acid diethanol, fluorite powder, nano-calcium carbonate, nano-graphene, maleic anhydride, trimethoxysilane, magnesium stearate and acrylic resin monomer.

CHEN G

Special foam board for food packaging, is prepared by stirring polycarbonate, polysulfone resin and polyurethane, adding carbon black, graphene, asbestos and chitosan quaternary ammonium salt, crushing, heating with bamboo fiber and foaming.

YAO D