国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 C09D（4）
IPC C09D005/08（4）
发明人
公开年 2023（2）
申请年
专利权人

Root puncture-resistant mildew-resistant waterproof coiled material for planting roof system, includes copper foil layer whose upper and lower surfaces are provided with asphalt coating made of modified asphalt, where upper and lower surfaces of asphalt coating are attached with isolation film.

LU Z, LIANG Z, LIANG B

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z

Biaxial orientation crystalline polymer continuous processing forming device, useful in plastic pipe production, processing field has multi-stage temperature control conical orientation device, and extruder head provided with extrusion die and extrusion core die.

ZHANG Y, DU B, SHI X, WU B, HOU S, LU X, YE L, CHEN S, ZHAO X, CAI Y

Preparation of graphene modified polyester resin used for rail anticorrosive paint, involves mixing graphene and polyester resin, adding pulverized product of graphene and polyester resin into stirring device, adding curing agent, pigment, filler and antioxidant, cooling extrudate, and separating.

WEI J, YU L