发明名称 |
APPARATUS AND METHOD FOR COEXTRUDING MATERIALS AT DIFFERENT TEMPERATURES |
摘要 |
The invention relates to an apparatus for coextruding polymers at different temperatures comprising at least two extruders (1, 2), wherein the extruders are connected to a coextrusion head (4) which comprises an insulation zone (40), and at least one of a cooling zone (21) and a heating zone (31) and wherein a removable die/dieholder-combination is mounted to the coextrusion head (4). The invention also relates to a method for coextruding two or more polymers at different temperatures by shaping the polymers independently of one another, until the moment they meet at the vicinity of the die-frontplate (13), where the polymers are brought together and a coextrudate is formed. |
申请公布号 |
WO9858528(A3) |
申请公布日期 |
1999.04.01 |
申请号 |
WO1998NL00580 |
申请日期 |
1998.10.09 |
申请人 |
DSM N.V.;FRIED. KRUPP AG HOESCH-KRUPP;VROOMEN, GERARDUS, LILIAN, MARIA;KOESTER, LOTHAR;PERZ, HANS |
发明人 |
VROOMEN, GERARDUS, LILIAN, MARIA;KOESTER, LOTHAR;PERZ, HANS |
分类号 |
C08J9/04;B29C47/04;B29C47/06;B29C47/56;B29C47/78;B29C47/86;B29K7/00;B29K9/00;B29K9/06;B29K19/00;B29K23/00;B29K105/04;B29K105/24;B29L9/00 |
主分类号 |
C08J9/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|