发明名称 |
METHOD OF THERMALLY SHAPING POLYMETHYL METHACRYLATE SHEETS, AND THE SHAPED PRODUCTS |
摘要 |
<p>A method is described for thermoforming a poly(methyl methacrylate) sheet exhibiting a reduced viscosity of at least 1.5 and protected, on at least one of its faces, by a film, in intimate contact with it, of an ethylene polymer which has been subjected to a corona discharge treatment. According to the invention the protective film of ethylene polymer which is employed has been coated with a layer of acrylic adhesive after having been subjected to the corona treatment.</p> |
申请公布号 |
EP0356316(A3) |
申请公布日期 |
1992.01.22 |
申请号 |
EP19890402287 |
申请日期 |
1989.08.11 |
申请人 |
SOCIETE ANONYME DITE: NORSOLOR |
发明人 |
LECA, JEAN PAUL;BARBIN, JEAN-YVES |
分类号 |
B29B13/08;B29C51/14;B29C59/12;B29C65/48;B29C65/52;B29K23/00;B29K33/04;B29L22/00;B29L31/10;C09J5/02;C09J133/08;(IPC1-7):B29C51/14 |
主分类号 |
B29B13/08 |
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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