国家/地区 中国（4）
IPC部 B（2）
IPC大类
IPC小类
IPC
发明人 CHEN H（4）
公开年 2021（4）
申请年 2021（4）
专利权人 CHEN H（4）

Preparation of quaternary ammonium salt polyether-grafted graphene modified polyvinyl alcohol film material involves dispersing polyvinyl alcohol and quaternary ammonium salt-based polyether-grafted graphene in water, stirring with glycerol and glutaraldehyde, defoaming, and casting.

LIN S, ZOU X, CHEN H

Graphene heating foot pad for vehicle, has graphene heating layer whose one side outer surface is fixedly connected with negative electrode connecting port, and other side is connected with anode connecting port.

CHEN H, XU D

Self-contained power graphene heating steering wheel sleeve, has steering wheel whose outer side is sleeved with external power supply that is located between two protective sleeves, where bottom inner wall of external power supply is provided with take-up device.

CHEN H

Assembled graphene heating wallboard, has graphene heating layer whose end is fixedly connected with elastic bag layer, and flow control cone fixedly connected with inner substrate through elastic bag layer.

CHEN H