27-06-2012 дата публикации
Номер: CN0101967777B
Принадлежит:
The invention discloses a counterfeiting ivory board and a manufacturing method thereof. The counterfeit ivory board comprises a core paper layer, wherein the upside and lower side of the core paper layer are combined with a face paper layer and a bottom paper layer respectively; and the outside surface of the core paper layer is dyed by dye to form counterfeiting patterns which dip-dye the innerpart of the core paper layer. The manufacturing method comprises the following steps of: A, preparing materials; B, dewatering and manufacturing a piece of paper with pulp, wherein the pulp of the core paper layer, the bottom paper layer and the face paper layer are dewatered and manufactured into the core paper layer, the bottom paper layer and the face paper layer, and the core paper layer is dyed with the dye by spraying to form the counterfeiting patterns in a process of dewatering and manufacturing the core paper layer; and C, combining the core paper layer, the bottom paper layer and the face ...
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