A kind of fluorocarbon ink and preparation method and a kind of fluorocarbon ink transfer film

Abstract

The invention relates to the field of industrial coatings, in particular to fluorocarbon ink, a preparation method and a fluorocarbon ink transfer film. The fluorocarbon ink comprises raw materials in parts by weight as follows: 18-20 parts of acrylic resin, 28-30 parts of fluorocarbon resin, 5-6 parts of CAB resin emulsion, 0-2 parts of a curing agent, 15-20 parts of pigment, 0-1 part of a dispersing agent, 0-1 part of matt powder, and 20-32 parts of organic solvent. The fluorocarbon resin is at least one of PVDF resin and FEVE resin. The invention also provides the fluorocarbon ink transfer film comprising a base film layer, an attached release layer, a fluorocarbon ink pattern layer and a back gluing layer which are sequentially overlapped, wherein the fluorocarbon ink pattern layer is formed by printing the fluorocarbon ink on the attached release layer. The hardness of a fluorocarbon ink coating is 1.5-2 H, the adhesive force is higher than level 1, the coating has no obvious changes at least for 1000 h in neutral salt fog, and delta E is smaller than or equal to 3.0 in a weather resistance test.

Description

technical field [0001] The invention relates to the field of industrial coatings, in particular to a fluorocarbon ink, a preparation method and a fluorocarbon ink transfer film. Background technique [0002] At present, the inks used in various transfer films on the market are non-weather-resistant self-drying inks. After transferring to the board, fluorocarbon varnish is applied on the surface as a protective layer, and the corners need to be waterproofed. A lot of anti-corrosion work has caused a lot of material loss, as well as a waste of labor and energy. Moreover, even if a lot of anti-corrosion work has been done, the anti-corrosion effect is uneven. It takes a long time to detect anti-corrosion, and users often find problems such as corrosion and discoloration of the plates after several months, which has brought huge economic losses to users. [0003] The invention patent with the patent application number 201510268713.0 discloses a weather-resistant ink, which uses...

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Problems solved by technology

[0002] At present, the inks used in various transfer films on the market are non-weather-resistant self-drying inks. After transferring to the board, fluorocarbon varnish is applied on the surface as a protective layer, and the corners need to be waterproofed. A lot of anti-corrosion work has caused a lot of material loss, and waste of labor and energy

Moreover, even if a lot of anti-corrosion work has been done, the anti-corrosion effect is still uneven. It takes a long time to detect anti-corrosion. It is often several months before the user finds problems such as corrosion and discoloration of the plate, which brings huge economic losses to the user.

[0003] The invention patent with the patent application number 201510268713.0 discloses a weather-resistant ink, which uses a blend system of acrylic resin and fluorocarbon resin to achieve high weather resistance of the ink and highly uniform dispersion of the pigment, and is more suitable for use on polyester substrates in terms of performance. In the effect example of this patent, after coating the ink layer, it is necessary to coat a layer of high weather-resistant transparent varnish on the ink layer for protection, which still cannot get rid of the anti-corrosion work of coating the protective varnish

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