Ester-soluble polyurethane ink, preparation device and preparation method thereof

Abstract

The invention relates to ester-soluble polyurethane printing ink, a preparation device and a preparation method thereof, and belongs to the technical field of ester-soluble polyurethane printing ink preparation, the ester-soluble polyurethane printing ink comprises a first connecting rod and a second connecting rod, the first connecting rod is provided with a threaded hole and a limiting hole, and external threads matched with the threaded hole are distributed on the outer surface of the bottom of the second connecting rod; the preparation method of the ester-soluble polyurethane printing ink comprises the following steps: step 1, mixing: mixing in the preparation process of the ester-soluble polyurethane printing ink is realized by a stirring piece; step 2, primary grinding: grinding the mixed ester-soluble polyurethane ink at normal temperature; step 3, secondary grinding: adding the pigment and grinding again; and 4, rolling, grinding and dispersing in a ball mill to prepare a slurry dispersion, arranging a limiting piece on a second connecting rod, forming a limiting hole in a first connecting rod, and improving the abutting force between the first connecting rod and the second connecting rod, so that the problem that the first connecting rod is easy to shake under the counter-acting force of a stirred object in the prior art is solved.

Description

technical field [0001] The invention relates to the field of preparation of ester-soluble polyurethane ink, in particular to an ester-soluble polyurethane ink, a preparation device and a preparation method thereof. Background technique [0002] The full name of polyurethane is polyurethane, which is a general term for macromolecular compounds containing repeating carbamate groups (NHCOO) on the main chain. In addition to urethane, polyurethane macromolecules can also contain ether, ester, urea, biuret, allophanate and other groups. [0003] In the prior art, the patent with the application number of 201810275457.1 discloses a thermal ink stirring device, which includes a base, a barrel, a driving component and a stirring component; the barrel includes an outer barrel and an inner barrel arranged in the outer barrel The stirring member includes a first stirring member arranged vertically and a plurality of second stirring members arranged horizontally, and the second stirrin...

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of ester-soluble polyurethane ink, another purpose is to provide a kind of preparation device and preparation method of ester-soluble polyurethane ink, through the setting of the first connecting rod and the second connecting rod, to solve the above-mentioned background The stirring parts proposed in the technology are prone to loosening, which leads to the low efficiency of ink stirring and the problem of certain noise when the ink is stirred

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