Embossing roller, embossing process and embossing paper using the embossing roller

Abstract

The invention relates to a knurling roll. The knurling roll comprises an upper knurling roll and a lower knurling roll. The upper knurling roll is provided with a plurality of bumps. The lower knurling roll is provided with a plurality of grooves. The bumps and the grooves are arranged in one to one match. The bumps can extend into the grooves. The cross section of each bump is circular and the profile is an isosceles trapezoid. The area of the cross section of each bump decreases gradually along a direction away from the upper knurling roll. Each bump is provided with a circular top surface. The diameter of each top surface is 0.2-1.5mm. Each bump is 0.3-2.0mm high. The included angle between two waists of the isosceles trapezoid formed by the profile of each bump is 30-50 degrees. The invention further provides a knurling process applying the knurling roll and knurling paper prepared by the knurling process. The knurling paper prepared by the knurling process is high in strength and strong in oil and water absorption capacity, and the paper is not layered.

Description

technical field [0001] The invention relates to an embossing roll, an embossing process using the embossing roll, and an embossing paper prepared by using the embossing process. Background technique [0002] With the improvement of living standards, consumers have higher and higher requirements for tissue paper. Embossed paper products are favored by consumers because of their better wiping effect, more beautiful appearance, and better softness. [0003] The preparation process of embossed paper is usually: pass the base paper between metal rolls engraved with patterns, so that the base paper is plastically deformed to present the same concave-convex pattern as the metal roll surface. The preparation of the existing removable kitchen paper adopts an embossing process. The single embossing area of ​​this embossing process is relatively large, but the embossed product is easy to delaminate due to the shallow embossing depth, so it is generally used to produce single-ply Pape...

AI Technical Summary

Problems solved by technology

If the delamination problem is improved by increasing the embossing depth, the surface of the product will be crushed, and the product strength will be greatly reduced, and the decline rate can reach more than 70%.

During the use of this kind of embossed paper, there are problems such as low strength and easy to break when wet; and the embossed paper is a simple repeated arrangement of single embossed points, and the appearance is relatively single and rigid

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