国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 LEI W（2）
公开年 2023（2）
申请年 2023（2） 
专利权人

Positive temperature coefficient (PTC) effect electric heating film for electric floor heating system, has electric heating layer covered on side or two sides of film base material, and circulating relay set in conductive circuit.

YANG Z, CHEN G, LI G, LEI W, CHEN L, MENG Q, WANG Q, ZHU H, LIANG Y

Low-temperature preparation of benzoxazine nitrile-based resin gel involves mixing resin matrix, nano filler and dispersion medium to prepare solution, transferring solution to closed mold, reacting to form gel, removing gel, and reacting to increase curing degree and remove residual solvent.

LIU Q, LI Y, LI T, HUANG Y, FENG W, WANG P, LI K, ZHONG F, LEI W, YANG X