国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC E04F015/20（2）
发明人 ZHANG Y（2）
公开年 2023（4）
申请年 2022（3） 
专利权人

Double-faced cavity lightweight high-strength assembled wall useful for prefabricated building, has interface layer, heat preservation layer, crack-proof layer and facing layer, where layers are connected by base cloth and heat preservation layer comprises e.g. cement, modified polystyrene and water.

LIN P, CHEN B, ZHANG W, ZHANG H, ZHANG Y

Leveling and preparing elastic sound-insulating floor slab, comprises using laser scanning to obtain height difference and distribution of floor, arranging damping springs on floor, leveling floor, spraying interface agent and laying thick elastic sound-insulating coating on interface layer.

YANG Y, WANG L, ZHAO Z, WU Y, MA Y

Gypsum-based sound insulation heat preservation floor system useful in building material, comprises structure layer, sound heat preservation layer and leveling layer from bottom to top, where gypsum-based composite material is hydrophilic rubber particles, phosphogypsum, water and nano-airgel.

KANG S, LI X, WANG J, WU H, CHENG B, MA P, GAO Y

Shock-proof and sound-proof composite board comprises upper layer of firm layer, quake-proof layer, sound insulation layer and lower layer of firm layer in sequence from top to bottom, and anti-seismic layer sequentially with upper layer modified graphite plate from up to down.

ZHANG Y, RAN Y, DOU Q, XU J, ZU X