| 摘要 |
<p>They comprise phosphorus activated or not by a metal compound bringing oxygen to the combustion, and an acrylic varnish which, together with a vinyl polyacetate, may be used as keying agent and binders with respect to consistent substrates or charges, with minimum cost and layer thickness, in a plurality of shapes and colours, with a composition appropriate to a wide range of natural materials, laminates or plastic coats therefor, with the fluidity and drying velocity appropriate for printing, the most complex preparation being obtained by beating part of the varnish and, when appropriate, the vinyl polyacetate together with the phosphorus, homogenizing the mixture, milling together with the quartz and mixing with another milled mixture of the rest of the varnish together with the metal oxide.</p> |
