摘要 |
Coloured amorphous sheet (I) with a thickness of 1-20 mm,contg. a crystallisable thermoplastic (II) as the main component, together with organic and/or inorganic pigment(s) (III). Also claimed is a process for the prodn. of (I), by (a) melting (II) with (III) in an extruder, (b) extruding the melt through a die, (c) calibrating, smoothing and cooling on a glazing mill with at least two rollers, the first of which is at a temp. of 50-80 deg C, and (d) cutting to size.
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申请人 |
HOECHST AG, 65929 FRANKFURT, DE |
发明人 |
MURSCHALL, URSULA, DR., 55283 NIERSTEIN, DE;GAWRISCH, WOLFGANG, DR., 55296 GAU-BISCHOFSHEIM, DE;BRUNOW, RAINER, 65817 EPPSTEIN, DE |