Ink for ink-jet printer and preparing method thereof

An inkjet printer and ink technology, which is applied in the field of inkjet printer ink and its preparation, can solve the problems of ink layering and caking, easy clogging of inkjet ports, ink oxidation, etc. The effect of good dispersion

Active Publication Date: 2016-03-30
北海市天硌打印耗材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] An object of the present invention is to solve at least the above-mentioned problems, and provide an ink-jet printer ink, which solves the problem that the ink is easy to block the ink ejection port during use, or the ink is not used for a long time, and the ink is layered and agglomerated. Solve the oxidation and fading of ink after printing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The following raw materials, in parts by weight:

[0028] 1) Add 4 parts of ethylene glycol and 4 parts of polyethylene glycol 200 into the reaction kettle, raise the temperature to 60°C, then add 1 part of acrylic modified epoxy resin, 0.5 part of modified phenolic resin, and 0.5 part of polyurethane , use an emulsifying disperser to disperse for 20 minutes, cool down to 40°C and keep warm for 10 minutes, and the dispersion speed is 8000-12000rpm; first use ethylene glycol and polyethylene glycol 200 as solvents to dissolve and disperse acrylic modified epoxy resin under the action of the disperser , Modified phenolic resin and polyurethane can completely dissolve the resin in the solvent and form a uniform liquid;

[0029] 2) Add 30 parts of pigments with a particle size of 40 nanometers into the reaction kettle described in step 1) at a temperature of 40°C, start the emulsifying disperser to disperse for 30 minutes, heat it up to 50°C after 10 minutes of heat preserv...

Embodiment 2

[0035] The following raw materials, in parts by weight:

[0036] 1), 4 parts of acrylic modified epoxy resins, 2 parts of modified phenolic resins, and 2 parts of polyurethane are pulverized and passed through a nano-sieve to obtain nano-powdered acrylic modified epoxy resins, modified phenolic resins, and polyurethane, and then Add 5 parts of ethylene glycol and 5 parts of polyethylene glycol 200 into the reaction kettle, raise the temperature to 60°C, then add nano-powder acrylic modified epoxy resin, modified phenolic resin, polyurethane, and disperse with an emulsifying disperser 20min, cool down to 40°C and keep warm for 10min, the dispersion speed is 8000-12000rpm; the resin is crushed and sieved first, in order to better dissolve in the solvent and form nanoparticles, the ink is more delicate and the adhesion is better. Ethylene glycol and polyethylene glycol 200 are used as solvents to dissolve and disperse acrylic modified epoxy resin, modified phenolic resin, and pol...

Embodiment 3

[0043] The following raw materials, in parts by weight:

[0044] 1), will now 3 parts of acrylic modified epoxy resin, 1 part of modified phenolic resin, 1 part of polyurethane pulverize, pass nano-sieve, obtain the acrylic modified epoxy resin of nanopowder, modified phenolic resin, polyurethane, then Add 4 parts of ethylene glycol and 4 parts of polyethylene glycol 200 into the reaction kettle, raise the temperature to 60°C, then add nano-powder acrylic modified epoxy resin, modified phenolic resin, polyurethane, and disperse with an emulsifying disperser 20min, cool down to 40°C and keep warm for 10min, the dispersion speed is 8000-12000rpm; the resin is crushed and sieved first, in order to better dissolve in the solvent and form nanoparticles, the ink is more delicate and the adhesion is better. Ethylene glycol and polyethylene glycol 200 are used as solvents to dissolve and disperse acrylic modified epoxy resin, modified phenolic resin, and polyurethane under the action ...

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Abstract

The invention discloses an ink for an ink-jet printer and a preparing method thereof. The ink is prepared from, by weight, 10-12 parts of propylene glycol monomethyl ether, 6-10 parts of polyethylene glycol dimethyl ether, 8-10 parts of tetraethylene glycol dimethyl ether, 8-10 parts of tripropylene glycol monomethyl ether, 4-5 parts of polyethylene glycol 200, 10-30 parts of pigment, 1-4 parts of acrylic modified epoxy resin, 2-3 parts of phenol,4-[(4,6-bis(octylthio)-1,3,5-triazin-2-yl)amino]-2,6-bis(1,1-dimethylethyl) and the like. The ink for the ink-jet printer and the preparing method of the ink for the ink-jet printer have the advantages that after printing, fading can be avoided under irradiation of outdoor light, and the ink is resistant to scratching, waterproof and not prone to oxidation; in addition, when outputting is carried out through the ink, a user does not need to use a printing material with a special coating; the printing performance of the ink is improved, the attachment performance of the ink is good accordingly, ink jetting is easy, and an ink jetting opening is not prone to blocking.

Description

technical field [0001] The invention relates to the field of printer consumables. More specifically, the present invention relates to an ink for an inkjet printer and a method for preparing the same. Background technique [0002] Inkjet printing is printing achieved without the printing device contacting the substrate on which the printed characters are deposited, by jetting a stream of ink droplets onto a surface and by controlling the direction of the stream so that the droplets A desired printed image is formed on the surface. Due to the particularity of the inkjet printing method, the inkjet ink has higher requirements, such as ink viscosity, resistivity, component compatibility, solubility, and wettability to the substrate. [0003] The chemical composition of inkjet ink is similar to that of printing ink, generally composed of colorants, linking materials and other additives. The color material mainly plays the role of color development in the ink. Common color mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/36C09D11/322C09D11/38
CPCC09D11/322C09D11/36C09D11/38
Inventor 王和平
Owner 北海市天硌打印耗材有限公司
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