Abstract
The foam plastic capable to work in frame panels as a thermal - insulation and facing and decorative material can be only of composite type. We have developed a new type of composite foam plastic, its density increases from center to surfaces. The article presents the composition of new material, the technology of its production, as well as the mathematical model of the mechanism of formation of strong crusts at its surfaces. Microscopic analysis of the composite showed that the density of crust is more than 200kg / m3, the density of the foam plastic in its middle part is 80kg / m3. The limit of strength at punching it by the rod diameter 0.01 m reaches 3.5MPa. The material is used for the manufacture of roofing panels, frame panels with an internal non-metallic layer.
Highlights
The complete-block method of construction became the main one in arrangement of West Siberian deposits [1]
It was found that the foam plastic capable to work in the panel as a thermal - insulation and facing and decorative material can be only of composite type [1]
We have developed a new type of composite foam plastic (PP), it has a pronounced integral structure: the density increases from center to surface due to the formation of a hard crust
Summary
The complete-block method of construction became the main one in arrangement of West Siberian deposits [1]. At the existing level of panel production technology, only the thermal insulation properties of foams are useful, such an important indicator as strength is not used. The steel frame of the panel is sheathed with steel (aluminum, asbestos cement) sheets and filled with foam or mineral wool plates This leads to a rise in price of panels and deterioration of their thermal performance [5, 6]. It was found that the foam plastic capable to work in the panel as a thermal - insulation and facing and decorative material can be only of composite type [1]. We have developed a new type of composite foam plastic (PP), it has a pronounced integral structure: the density increases from center to surface due to the formation of a hard crust. This paper presents the composition of new material, the technology of its production, as well as the mathematical model for mechanism of formation strong crusts at its surfaces
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