| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to production of sheets with 3D decorative effect. In compliance with proposed method, painted materials are loaded in the mould, heated, compacted and cooled. 3D pattern is made inside the mould using pre-extruded work pieces. Mould is closed and placed into hydraulic press for heating to 160-210°C and compaction at 1.5-2.0 MPa with intermittent pressure release and application for 20 minutes. At preset temperature of material, the mould is transferred to cooling press to be cooled at 1.5-2.0 MPa to 50-60°C at the rate of 9-14 degrees a minute, preferably, 10-12 degrees a minute.EFFECT: higher physical and chemical properties.2 cl, 8 dwg, 2 tbl, 6 ex |
