发明名称 |
Polytetrafluoroethylene coupled articles with substrata |
摘要 |
Process to adhere PTFE in film or in sheets adhere to metal or plastic substrata which comprises: 1) making the substratum surface rough by sandblasting; 2) spreading on a PTFE sheet a suspension comprising a solvent or water and a blend of a fluoroelastomer of vinylidene fluoride (VDF) with perfluoropropylene (HFP) to which PTFE is added; sintering between 330 DEG C.-400 DEG C.; 3) the already treated PTFE part as in point 2) is covered again with a suspension of the same fluoroelastomer of 2); 4) the substratum 1) is put into contact with the PTFE sheet treated as in 3) with the surface which has been subjected to the treatment; the system is then put in press at a temperature comprised between 150 DEG and 200 DEG C.
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申请公布号 |
US6001205(A) |
申请公布日期 |
1999.12.14 |
申请号 |
US19970942620 |
申请日期 |
1997.10.02 |
申请人 |
AUSIMONT S.P.A. |
发明人 |
MAURO, GASTONE |
分类号 |
B32B15/082;B29C65/00;B32B27/30;C08J5/12;C09J5/02;C09J5/06;(IPC1-7):B29C65/00;B29C65/70 |
主分类号 |
B32B15/082 |
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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