发明名称 |
Process for preparing composite materials of carbon fibres and a thermoplastic material, the composite materials and their applications. |
摘要 |
<p>1. Process using a fluidized bed of thermoplastic material particles in order to prepare carbon fibers rows impregnated with said thermoplastic material, precursor of composite materials ; said impregnated rows having a thickness less than 5 mm, composed of 20 to 65% in volume of oriented carbon fibers and of said thermoplastic material filling the whole space between the fibers ; wherein : - after introduction in said fluidized bed of thermoplastic material particles, said carbon fibers, stretched between two electrical contacts, are heated by Joule effect, for a duration of about 0.5 to 60 secs at a temperature at least equal to the adhering temperature of the thermoplastic material ; - then said carbon fibers coated with the thermoplastic material are brought out of said fluidized bed and subjected to a second heating by Joule effect for a duration of about 0.10 to 60 secs at about the same temperature as the melting temperature of the thermoplastic material.</p> |
申请公布号 |
EP0077733(A1) |
申请公布日期 |
1983.04.27 |
申请号 |
EP19820401904 |
申请日期 |
1982.10.18 |
申请人 |
GRADIENT GRP RECH ANIMAT DEV INNOVAT ENSEIGNEMENT ET TECHNOLOGIE |
发明人 |
DE CHARENTENAY, FRANCOIS-XAVIER |
分类号 |
C08J5/04;C08K3/04;C08K7/04;C08K7/06;C08L23/00;C08L67/00;C08L77/00;C08L101/00;C08K7/00;B01J8/18;B29B11/00;B29C57/00;B29C70/06;B29D;B29D7/00;B32B27/04;B32B27/34;(IPC1-7):29D3/02 |
主分类号 |
C08J5/04 |
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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