Thermosetting gravure ink for aramid paper

Abstract

The invention discloses a thermosetting gravure ink for aramid paper. A preparation method for the thermosetting gravure ink comprises the following steps: adding a dispersant into a diluent and carrying out uniform dispersion under stirring; successively adding polyurethane resin and carbon black and carrying out uniform dispersion under stirring; carrying out primary grinding; then successively adding calcium carbonate, an antifoaming agent and a leveling agent and carrying out uniform dispersion under stirring; and carrying out grinding again and carrying out discharging so as to obtain the thermosetting gravure ink for the aramid paper. The thermosetting gravure ink for the aramid paper is reasonable in composition; after construction and film formation, the ink has excellent adhesive force on a substrate, good leveling performance, adhesion resistance and insulation performance, and the surface of a formed ink film can be recoated; the ink is applicable to Dupont materials of different models and specifications; and the ink is free of halogen, heavy metal and benzene and ketone solvents, greatly reduces pollution and destroy to environment and is a real green environment-friendly product.

Description

technical field [0001] The invention relates to the technical field of inks, in particular to a thermosetting gravure ink for aramid paper. Background technique [0002] Born in the late 1960s, aramid fiber was initially little known as a space development material and an important strategic material. After the end of the Cold War, aramid, as a high-tech fiber material, was widely used in the civilian field, and it gradually became known. The full name of aramid fiber is "aromatic polyamide fiber", which is a new type of special-purpose synthetic fiber. There are two varieties with the most practical value in aramid fibers: one is the meta-aramid fiber whose molecular chains are arranged in a zigzag shape, which is called aramid 1313 in my country; the other is the para-aramid fiber whose molecular chains are arranged in a straight line , my country calls it aramid fiber 1414. [0003] Aramid paper has excellent mechanical properties and high-temperature insulation propert...

AI Technical Summary

Problems solved by technology

[0007] At present, the primer on the market is very immature, especially in the form of weak adhesion to the material (some are even false adhesion), poor leveling performance, can not fill the depressions on the surface of the material, poor adhesion resistance, covering Insufficient force, poor insulation performance, poor recoating performance, not suitable for different types of aramid materials

[0008] In addition, the environmental protection performance of the primer on the market is somewhat lacking, and often cannot meet the REACH and RoSH standards of the European Union. The medium solvent contains benzene or ketone solvents, which is not friendly to the environment and poses a potential threat to the health of ink users.

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