国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B32B027/18（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Preparing high-temperature-resistant flame-retardant expanded polystyrene foam board comprises uniformly mixing and stirring to become main ingredient including melamine resin, and high temperature resistant filler, and pasting the two load-bearing boards on both sides of the composite board.

HE Y, RUAN X

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S