国家/地区 中国（3）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 B29C（4）
IPC C08K003/04（3） C08K005/098（2） C08K013/06（2）
发明人
公开年 2021（4）
申请年 2020（3） 
专利权人

Rubber material used as sealing material in sealing shield machine, comprises nitrile rubber, zinc oxide, carbon black, silicon dioxide, vulcanizing agent, plasticizer, anti-aging agent, softening agent, acidified carbon fiber, carbon nano material and unsaturated carboxylic acid metal salt.

LI J, PENG Z, ZHAO M, LONG W, HAN T, JIA L

Preparing polymer-sand nanocomposite comprises applying surface polymerization to surface of sand particles by combining polymerization initiator dissolved in solvent with the sand particles to form precursor sand mixture.

BATAWEEL M A, ALSHARAEH E, ALMOHSIN A

Preparing high-performance graphene complex phenolic cover plate comprises preparing phenolic plate, cutting prepared phenolic plate, rubbing phenolic plate, and sanding cut surface to obtain processed phenolic plate.

ZOU X

Modified flame-retardant thermoplastic composite plate comprises modified thermoplastic composite material and fiber felt that are compounded with each other.

JIN Q