| 摘要 |
<p>PURPOSE:To affix or stamp a seal upon the surface of a laminated sheet. CONSTITUTION:A laminated sheet is made by laminating a polyester film 2 on one face of a paper by using a thermoplastic resin. The laminated sheet is coated with a mat coat agent 4, which consists of a composition of an inorganic colorless pigment consisting of a silica, a calcium carbonate or magnesium carbonate and a polyester resin 3 having a weight average molecular weight of 5,000-150,000 and has a Swiller surface area of 200-1,000m<2>/gr and an oil absorption of 80-350ml/100gr, to a thickness of 5-80mum, preferably to 10-20mum and dried with heat, so that the surface of the polyester film 2 is roughened.</p> |
