| 摘要 |
<p>This finishing process comprises the following successive stages performed continuously:… - application to the piece (18) and with the aid of a continuous printing machine (11, 21) of the halftone type, of a controlled small quantity of a finishing product (16) containing from 90 to 100% of photopolymerisable active material, in a proportion of 5 to 35 g/m<2> of placed product, by passing through the printing machine (11, 21> - photopolymerisation of the finishing product (16> - performing a satinising or graining operation,… these various stages being repeated until the desired finish is obtained. …<??>The finishing product (16) employed is a product which can be photopolymerised under ultraviolet radiation and which comprises unsaturated prepolymers, liquid monomers and photoinitiators. …<??>The finishing plant comprises at least one module consisting of a continuous printing machine (11, 21), an ultraviolet radiation oven (12, 22) and a satinising and graining machine (13, 23), these various machines being arranged so as to produce a continuous conveying of the pieces (12) from one machine to another. …<IMAGE>… </p> |
