| 发明名称 |
FILMS POLYESTERS COMPOSITES ET LEUR UTILISATION COMME COUCHE DE PROTECTION POUR PLAQUES PHOTOPOLYMERES ET PLAQUES PHOTOPOLYMERES LES COMPORTANT. |
| 摘要 |
The invention relates to bi-oriented composite polyester films comprising a filled or unfilled thick layer (A) and at least on one of the faces of layer (A) a layer (B) of a grafted polymer derived from a sulphonated copolyester and at least one acrylic monomer, of a thickness lower than that of layer (A), presenting the following characteristics: Rt </= 3 mu m; Rt/Ra </= 10, and containing a filler having the following characteristics: mean diameter D50 from 1.5 to 2.5 mu m; monodispersibility: I=D75 - D25 </= 1.2. These films are usable as protective sheets for the protection of the photopolymerizable layer of photopolymerizable elements.
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| 申请公布号 |
FR2664533(A1) |
申请公布日期 |
1992.01.17 |
| 申请号 |
FR19900009268 |
申请日期 |
1990.07.16 |
| 申请人 |
RHONE POULENC FILMS |
发明人 |
CORSI PHILIPPE;TRAVERSIER SYLVIANNE;VEYRAT DIDIER |
| 分类号 |
C08J7/04;C09D151/08;G03F7/115;(IPC1-7):B32B27/36;B29C41/22;G03C1/76;B05D1/00;B05D5/02;C08J5/18 |
主分类号 |
C08J7/04 |
| 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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