国家/地区 中国（3）
IPC部 C（2）
IPC大类 C08（2）
IPC小类
IPC
发明人 LIANG Y（3）
公开年 2023（3）
申请年 2023（3）
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

High slump retention polycarboxylic acid water reducing agent comprises ethylene-glycol monovinyl polyethylene glycol macromonomer, acrylic acid, slump-retaining functional monomer, sodium formaldehyde sulfoxylate, hydrogen peroxide and mercaptoacetic acid.

LIANG Y, ZHANG Y, PANG S, MA M

Permanent antistatic thermoplastic elastomer material includes styrene elastomer, filling oil, thiol-terminated hyperbranched hindered phenol, compatibilizer, polypropylene resin, antistatic agent, and lubricant.

LIANG Y, LI S