国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08G（4） F16L（2）
IPC C08G083/00（4）
发明人
公开年
申请年
专利权人

Bidirectional rotary seal structure for centrifuge shaft has a shaft sleeve, a dustproof lip, a sealing lip and a circlip, first O-shaped groove is axially opened on one side of the inside of the shaft sleeve and a dust lip is embedded at the position of the first O-shaped groove.

ZOU J, BAO Y

Preparing nanocomposite pour point depressant involves dissolving ethylene vinyl acetate in dodecane, adding methanol solution, and dropwise adding sodium hydroxide-methanol solution as alkali catalyst under stirring magnetically.

LIU Y, JING G, SUN Z, YANG Y, XU J

Polylactic acid modified graphene oxide oxygen barrier tube comprises random copolymer polypropylene, toughening agent, masterbatch, antioxidant, polyphthalamide and polylactic acid modified graphene oxide polymer.

CHEN H

Metal-plastic composite enhanced hot-melt adhesive for high performance steel wire mesh/high density polyethylene composite pipe, contains polyethylene grafted maleic anhydride type hot melt adhesive resin, catalyst, and fumed graphene.

WANG J, GAO Y, LIU W