| 摘要 |
FIELD: manufacture of building materials. ^ SUBSTANCE: invention relates to foam production technology and can be used manufacture of foam decoration. Invention aims at simplifying production technology and obtaining effective decorative heat-retention material for out-door and in-door facing of residential and industrial constructions. Method according to invention consists in grinding commercial broken glass to specific surface 5000-7000 cm2/g followed by moistening to moisture 8%. Thus obtained material is compacted on press at 20 MPa. Resulting samples are subjected to watering during thermomoist processing to form silanol water, which would favor swelling during heat treatment. Thermomoist processing conditions: temperature rise for 2 h, ageing at 85-95°C for 6 h, and cooling to 15-25°C for 3 h. Watered samples are coated with decorative layer using flooding technique and then subjected to heat treatment at 800°C followed by annealing. Finally obtained samples show density 350 kg/m3, bending strength 28 kg-force/cm2 and decorative glossy water-impermeable film 0.2-0.3 mm thick. ^ EFFECT: enable use of material to face building walls and creation of artistic and decorative insertions. ^ 1 tbl |
