国家/地区 中国（4）
IPC部 B（5）
IPC大类 B29（5）
IPC小类 B29B（5）
IPC C08K003/04（5）
发明人 YANG C（2）
公开年 2021（5）
申请年 2020（3）  2021（2） 
专利权人

Manufacture of black polyester film for e.g. packaging film, involves physically regenerating portion of recycled polyester material by adding black additive to material and granulating to form pellets, forming chemically recycled polyester pellets, mixing obtained both pellets and melt-extruding.

YUAN C, HSIAO C, YANG C, YANG W, LIAO T

Environment-friendly polypropylene plastic comprises PP resin, plant fiber starch, calcium carbonate, nano titanium dioxide, silane coupling agent, nano silver oxide, graphene, nano zinc oxide.

SUN L

Plastic bag comprises e.g. poly(butylene succinate), polylactic acid, modified silicon dioxide, four needle zinc oxide crystal whisker, graphene oxide, filler, plasticizer, lubricant, dispersant, ultraviolet absorbent, stabilizer and kaolin.

ZHENG R, XU Z, ZHENG B, ZHANG J

Graphene reinforced rigid polyvinyl chloride thermally conductive composite material comprises e.g. polyvinyl chloride resin, graphene, graphene surface treatment agent, thermal conductive filler, and sterically hindered filler.

LIU B, ZHANG Z, ZHU Y, LIU T, LI J

Preparing recycled plastic tile with a hollow structure comprises e.g. providing raw materials, placing pre-treated straw powder in a high-speed mixer, preheating, adding mixture into pelletizer, extruding, and discharging the cooling water.

YANG C, DONG H, YANG X