国家/地区 中国（3） 美国（2）
IPC部 B（5）
IPC大类 B05（5）
IPC小类 B05D（5）
IPC B29D007/01（3） B05D005/00（2） B05D007/22（2）
B05D007/24（2） B29D023/00（2） C01B031/04（2）
发明人
公开年
申请年 2022（2） 
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

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

Reinforced wear-resistant polyethylene water supply pipe useful for trenchless construction, comprises pipe body including a pressure-resistant layer and compatible layer and compatibility layer arranged inside the pressure-resistant layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W, ZHANG W

Preparation of polygraphene membrane for desalinating salt water involves mixing graphite, sodium nitrate and potassium permanganate and hydrogen peroxide, centrifuging mixture, and acylating and polymerizing resulting graphene oxide sheets.

SALEH T A

Roll-to-roll doping method for large-area graphene area, involves passing graphene film through doping solution that contains dopant or dopant vapor for doping graphene film.

AHN J, BAE S, HONG B H, KIM H K, BAE S K, GANG B S, GEUN K H, HUI H B, HYEON A J