发明名称 |
METODO PER LA PRODUZIONE DI UN FOGLIO DI POLIOLEFINA ESPANSA |
摘要 |
<p>A method of manufacturing a foamed polyolefin sheet which comprises the steps of laminating a film of noncross-linked thermoplastic resin free from a cross-linking agent to at least one surface of a cross-linked polyolefin base sheet containing a thermally decomposable foaming agent or a polyolefin base sheet containing the above-mentioned foaming agent and a cross-linking agent, and carrying out the thermal foaming of said film-fitted sheet while placing it on a supporting member under atmospheric pressure with the film-laminated surface of the polyolefin sheet being in contact with said supporting member.</p> |
申请公布号 |
IT1055455(B) |
申请公布日期 |
1981.12.21 |
申请号 |
IT19760020598 |
申请日期 |
1976.02.26 |
申请人 |
THE FURUKAWA ELECTRIC CO LTD |
发明人 |
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分类号 |
B32B5/18;B29B7/00;B29C39/00;B29C39/16;B29C39/18;B29C39/36;B29C59/00;B29C63/00;B29C69/00;B29D7/00;B32B5/20;C08J9/04;C08J9/34;(IPC1-7):29D/ |
主分类号 |
B32B5/18 |
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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