| 摘要 |
<p>The invention concerns a translucent and/or transparent paper with an intense colour, having an colour intensity c and luminosity L, as measured with a Hunterlab apparatus, measuring the cartesian co-ordinates a, b, L from a colour point P and its polar co-ordinates H and c. The paper is such that the ratio c to L is greater than 30 %, preferably greater than 50 %. The paper comprises a colouring agent in its volume, preferably from 5 to wt. 10 % of liquid colouring agent relative to the weight of the finished paper. The colouring agent is a dye which fixes itself directly on cellulose. The invention is applicable to paper used in the field of printing or writing.</p> |
