国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D007/61（2）
发明人 WU S（2）
公开年 2022（2）
申请年 2022（2）
专利权人

Preparing multi-layer plywood useful for sound insulation, comprises e.g. preparing sound insulation emulsion, preparing single plate using wood, performing sand grinding treatment to surface of single plate, and solidifying multi-layer sound insulation emulsion coated on surface of single plate.

XU W, WU S

Composite wear-resistant water-based polyurethane emulsion obtained by adding other components to polyurethane emulsion to make it wear-resistant and curing composite wear-resistant water-based polyurethane emulsion.

WU S, ZHANG J, ZHANG Y, ZHU X