Significant self-insulation effect of plastic wood composite exterior wall panels

Plastic wood composite exterior wall panels are new materials made of wood or other biomass fiber materials and thermoplastics, that is, thermoplastic composite materials filled with wood fibers or other biomass fibers, reinforced and modified. It is an exterior wall panel profile with a hollow rate of up to about 80% formed by high temperature and high pressure technology using wood powder, plastic, stone powder and various processing aids, and is filled with materials with excellent thermal insulation properties to form high-efficiency energy-saving self-insulation wall panels.

The current product varieties of building exterior wall panels are mainly the composite of inorganic panels and thermal insulation panels. The connection area between the two panels of the composite panel is large, and the thermal bridge effect is significant, which affects the overall thermal insulation effect of the composite wall panel. The research and development of composite wall panels with high mechanical strength, low thermal bridge effect and good comprehensive thermal insulation effect is the long-term pursuit of building wall panels. The use of high-performance plastic wood composite materials to make the thermal insulation wall structure (as the skeleton of the board) can reduce the wall thickness of the structural material from the original 25 mm to about 6 mm, thereby significantly increasing the filling rate of the thermal insulation material. The heat insulation effect is remarkable. This kind of self-insulating plastic wood composite exterior wall panel with high mechanical strength and good thermal insulation performance is in huge market demand and has broad application prospects.

The self-supporting and self-insulating prefabricated building exterior wall system uses the ribs and grooves of the exterior wall panels to insert and assemble the exterior wall panels along the outside of the original building beams and columns to form an exterior wall body, and through "L"-shaped connectors, one-way connectors, nested modules and I-shaped two-way connectors are spliced and assembled into a whole exterior wall. The bottom and top ends of the integral exterior wall are embedded in a frame made of channel steel or angle steel, and are connected to the foundation through the frame connected to the roof.

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