2results about How to "Improve slipperiness" patented technology

This application relates to an optical film and its preparation method, belonging to the field of optical film technology. The optical film comprises: a transparent base film, a high-refractive-index coating formed on the transparent base film, and a low-refractive-index coating formed on the high-refractive-index coating; wherein the low-refractive-index coating contains hollow nanoparticles and fluorosilane-modified secondary nanoparticles, the hollow nanoparticles being chemically bonded to the bulk of the low-refractive-index coating, the particle size of the hollow nanoparticles being smaller than the thickness of the low-refractive-index coating, and the particle size of the fluorosilane-modified secondary nanoparticles being larger than the thickness of the low-refractive-index coating, with a difference not exceeding 50 nm. This optical film exhibits good anti-reflection effect, excellent friction resistance, a low coefficient of dynamic friction, and good slip properties.

The utility model belongs to the technical field of printing paper, and particularly relates to anti-adhesion printing paper for digital printing, which comprises a basic paper layer, a water absorption auxiliary layer arranged at the top of the basic paper layer, an antistatic layer arranged inside the basic paper layer, and an anti-adhesion functional layer arranged at the top of the water absorption auxiliary layer. The bottom of the base paper layer is provided with the blocking layer, the edge of the base paper layer is provided with a tearing line and a positioning hole, the interior of the water absorption auxiliary layer is communicated with a pore structure so that water in digital printing ink can be rapidly absorbed, ink fixation can be accelerated, and the adhesion risk caused by water residue can be reduced; the anti-adhesion functional layer forms a continuous film layer, stable adhesion of anti-adhesion particles is ensured, the blocking layer prevents ink on the front side from permeating to the back side, the blocking layer is matched with the anti-adhesion functional layer on the front side to achieve the double-sided anti-adhesion effect, meanwhile, when the paper is torn, the paper is broken along a hole line, and the edge is neat and free of burrs; and accurate alignment during paper conveying is ensured.