发明名称 |
MANUFACTURE OF UNIDIRECTIONAL FIBRE REINFORCED THERMOPLASTICS |
摘要 |
The method for the manufacture of unidirectionally fibre reinforced thermoplastic bands (1) comprises a pressure impregnation of a fibre strand (1') in a bath (3) with a dispersion (22) of thermoplastic particles. Heat treatments (5, 6) for the drying of the strand (1'') and a melting on of the particles taken up by the strand follow the pressure impregnation. The strand is drawn through the bath at a predetermined draw-off speed (v) about a plurality of deflection elements (4). The dispersion (22) of the bath is largely held in a stationary state, namely through the supply of an infeed.dispersion (21) with a first particle concentration (c1) and through an initial setting of a second particle concentration (c2) in the bath: The infeed dispersion is fed in continuously or periodically, with the first particle concentration being held constant. A corresponding feeding in of a dispersion of higher particle concentrations as well as an additional amount of dispersing medium (210) is possible. The second particle concentration is set to a value which remains constant through an automatic self-setting alone. In this the two named concentrations (c1, c2) depend in an empirically determinable manner on a thermoplastic content (8) of the band (1) to be achieved and on the draw-off speed (v). |
申请公布号 |
CA2255987(A1) |
申请公布日期 |
1999.08.20 |
申请号 |
CA19982255987 |
申请日期 |
1998.12.14 |
申请人 |
SULZER INNOTEC AG |
发明人 |
ERLACH, HANS;KAUFMANN, STEFAN;VODERMAYER, ALBERT MARIA;KAERGER, JENS |
分类号 |
B29B11/16;B29B13/02;B29B15/12;B29B15/14;B29K101/12;B29K105/10;C08J5/04;(IPC1-7):B29C70/14 |
主分类号 |
B29B11/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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