| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to polymer materials, particularly, to production of structural polycarbonate sheets. Initial stock is metered out, fed into extruder, compressed, melted, decompressed, degassed, re-compressed and filtered out. Melt is pumped over, distributed and formed by sheet extruder head. Thereafter, melt is fed to gage plates to be transferred there between by drawing devices arranged behind said gage. Note here that drawing rate varies from 3.1 to 7.25 m/min. ^ EFFECT: reduced consumption of initial components. ^ 1 tbl, 4 ex |
