国家/地区
IPC部 B（2）
IPC大类 B29（2） C08（2）
IPC小类 B29B（2）
IPC B29B009/12（2）
发明人 YANG C（2）
公开年 2021（2）
申请年
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

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