发明名称 |
Process for preparing improved oriented polymer films and tapes |
摘要 |
A postforming process for an oriented film or tape of polymer material, which process comprises subjecting at least one layer of such an oriented film or tape to a pressure greater than ambient pressure while heating the oriented film or tape at a temperature at which partial melting thereof occurs but which does not exceed 145 DEG C.
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申请公布号 |
US4857127(A) |
申请公布日期 |
1989.08.15 |
申请号 |
US19870029798 |
申请日期 |
1987.03.25 |
申请人 |
NATIONAL RESEARCH DEVELOPMENT CORPORATION |
发明人 |
MACKLEY, MALCOLM R.;ANTON, CHRISTOPHER |
分类号 |
B29C55/02;B29C70/04;B29C70/06;B29C71/02;B32B27/32 |
主分类号 |
B29C55/02 |
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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