国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08G（2）
IPC C08G018/76（2）
发明人
公开年 2022（2）
申请年 2022（2）
专利权人

Polyurethane useful for filling hydraulic construction concrete expansion joint, comprises polyether 330N, toluene diisocyanate, curing agent, catalyst, amino functional silane modified graphene oxide, beta-cyclodextrin modified chitosan, filler, pigment and viscosity reducing and toughening agent.

YANG D, LI H, XU Z

Automatic temperature-limiting heating cloth comprises temperature-limited heating wire, electrode connecting belts, and laminating film layer, where electrode connecting belt are connected with positive and negative electrodes of power supply.

PENG Y, SHAO M