Concave-convex feel process transfer film and method of making the same
A transfer film and hand feeling technology, applied in the printing field, can solve the problems of difficulty in presenting wood grain texture, affecting service life, prone to skin warping, etc., and achieves the effect of convenient operation, strong three-dimensional effect and good wear resistance
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Embodiment 1
[0025] Such as figure 1 As shown, a concave-convex hand-feel process transfer film is composed of a PET base film 2, a back coating 1 coated on one side of the PET base film 2, and a release layer that is sequentially coated on the other side of the PET base film 2 from the inside to the outside. Layer 3, hard layer 4, wood grain pattern layer 5, base color layer 6 and glue layer 7. The wood grain pattern layer is made of the following raw materials in weight percentage: color layer ink 85%, microcapsule foaming agent 15 %.
[0026] The weight composition of each raw material of the microcapsule foaming agent is: 67 parts of EVA resin, 300 parts of toluene, 33 parts of sodium bicarbonate, and 500 parts of anti-solvent (butanone); wherein the VA content of the EVA resin is 25 wt%. The microcapsule foaming agent is obtained by the following method: dissolving EVA resin in toluene, adding sodium bicarbonate when the temperature drops below 40 degrees, using a high-speed shear emulsi...
Embodiment 2
[0035] A transfer film with a concave-convex hand feeling process. The difference from Example 1 is that the wood grain pattern layer is made of the following raw materials in weight percentage: 80% color layer ink and 20% microcapsule foaming agent. The weight composition of each raw material of the microcapsule foaming agent is: 70 parts of EVA resin, 320 parts of toluene, 30 parts of sodium bicarbonate, and 550 parts of anti-solvent (anhydrous ethanol); wherein the VA content of the EVA resin is 32wt%. Others are the same as in Example 1.
[0036] Refer to Example 1 for the preparation method of the microcapsule foaming agent and the preparation method of the concave-convex touch process transfer film.
Embodiment 3
[0038] A transfer film with a concave-convex hand feeling process, which is different from Example 1 in that the wood grain pattern layer is made of the following raw materials by weight percentage: 90% color layer ink and 10% microcapsule foaming agent. The weight composition of each raw material of the microcapsule foaming agent is: 75 parts of EVA resin, 300 parts of toluene, 25 parts of sodium bicarbonate, and anti-solvent (consisting of methyl ethyl ketone, absolute ethanol and isopropanol in a volume ratio of 1:1: 1) 480 parts; among them, the VA content of EVA resin is 35wt%. Others are the same as in Example 1.
[0039] Refer to Example 1 for the preparation method of the microcapsule foaming agent and the preparation method of the concave-convex touch process transfer film.
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