METHOD OF PRODUCING STRUCTURAL POLYCARBONATE SHEET Russian patent published in 2011 - IPC B29C47/52 

Abstract RU 2422275 C1

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

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RU 2 422 275 C1

Authors

Batalov Ajdar Askhatovich

Khanukaev Marsel' Mikhajlovich

Bikkulov Rustem Jadkarovich

Dement'Eva Ekaterina Vasil'Evna

Bakhtijarov Rafaehl' Faritovich

Dates

2011-06-27Published

2009-12-09Filed