国家/地区 中国（3）
IPC部 B（3）
IPC大类 C08（3） B29（2） F16（2）
IPC小类 C08L（3）
IPC C08L051/06（3）
发明人
公开年 2022（2）
申请年 2022（3）
专利权人

Double-wall corrugated pipe material outer wall and inner wall, where outer wall comprises e.g. chlorinated polyvinyl chloride resin, grafted polyethylene solubilizer, light shielding agent, ultraviolet light absorber, strengthening agent graphene, lubricant, and nano calcium carbonate.

LUO Q, YE C, ZHENG S, CHEN G, ZHANG S

Plate heat exchanger unit comprises base and multiple positioning rods arranged on base, where positioning rod is provided with top plate, and heat exchange space is provided between top plate and base, and heat exchange space is provided with multiple groups of first heat exchange plate.

LI Y

Material useful as zipper, gear, chain and track strip, comprises cycloolefin copolymer, mineral oil, toughening agent, compatibilizer, antioxidant, heat stabilizer and filler.

HUANG J, WANG G, WANG B, LIN X