国家/地区 中国（4）
IPC部 B（4） C（3）
IPC大类 B05（4）
IPC小类 B05D（4）
IPC B05D007/24（3） B05D005/00（2） B29D007/01（2）
C09D007/61（2）
发明人
公开年 2022（3）
申请年 2022（4）
专利权人

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

Method for preparing graphene-based anti-migration layer, involves preparing functionalized graphene dispersion liquid, and vulcanizing insulating layer raw film material into boiled glue by using high temperature mold pressing forming process.

TAO B, GU J, XI W, WANG H, DU F, LI L, ZHAO X, LI Y, WANG Y, GUO X, SANG L, LIN L

Preparing graphene liquid metal composite silica gel pad involves adding graphene oxide and gallium-based alloy liquid metal to water at a certain mass ratio, adding an acid solution and using ultrasonic stirring to obtain a graphene liquid metal aqueous dispersion.

PAN Z, ZHOU M

Preparing high-wear-resistant high-chromium graphene roll skin, comprises e.g. premixing resin, chromium, graphene, plasticizer, glidant and additives in inner cavity, melt extruding, slicing, performing iron-based phosphating pretreatment and spraying surface of roller skin by sandblasting machine.

WUMING, WANG T