发明名称 |
VERFAHREN ZUM HERSTELLEN VON DICKEN, ZUSAMMENGESTELLTEN POLYESTERFILMEN MIT VERBESSERTER HAFTUNG UND DIE ERHALTENEN FILME. |
摘要 |
<p>Thick, composite polyester films, well adapted as base films, e.g., for the graphic arts, are comprised of a crystalline or semicrystalline polyester film substrate (A) having a thickness of at least 40 micrometers, said film substrate (A) having a coating, e.g., a coextrudate, of a sulfonated copolyester adhesion primer on at least one of the face surfaces thereof, and said sulfonated copolyester comprising at least 80 mol % of terephthalate recurring units and from 3 to 10 mol % of oxysulfonylate recurring units.</p> |
申请公布号 |
DE3770938(D1) |
申请公布日期 |
1991.07.25 |
申请号 |
DE19873770938 |
申请日期 |
1987.12.14 |
申请人 |
RHONE-POULENC FILMS, COURBEVOIE, FR |
发明人 |
GROSJEAN, PIERRE, F-69110 SAINTE-FOY-LES-LYON, FR |
分类号 |
B32B27/36;B32B37/15;C08G63/688;G03C1/795;G03C1/93;(IPC1-7):B32B27/36;C08G63/68 |
主分类号 |
B32B27/36 |
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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