| 摘要 |
<p>1487758 Coating SPRELA-WERKE SPREMBERG VEB 3 Oct 1974 [5 Oct 1973] 42917/74 Heading B2E [Also in Division B5] A method for the continuous production of a rollable surface covering material having a finished surface comprises coating one face of a smooth or embossed paper or fabric web with catalysed polyester resin, applying a measured amount of an accelerator. dissolved either in unsaturated polyester resin or in styrene to the other face of the web, rolling the wet web up between separating means e.g. sheets and hardening the web in the roll by the exothermic reaction which takes place. Example 1 describes a method according to the invention wherein a decorative paper is coated on one face with an unsaturated polyester resin and on the other face with an unsaturated polyester resin mixed with an accelerator.</p> |
