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A kind of water-based ink of modified nano-sepiolite composite water-based amino resin and preparation method thereof

A technology of water-based amino resin and nano sepiolite, which is applied in the direction of ink, chemical instruments and methods, dyeing organosilicon compound treatment, etc., can solve the problems of thermal stability, smoothness and gloss of ink to be improved, and achieve good gloss Degree, the effect of improving the degree of combination

Active Publication Date: 2017-02-22
长兴艾飞特科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the weak point of this invention is: thermal stability, smoothness and luster of ink need to be improved, and nano sepiolite powder has only played the effect of stabilizing agent in ink in addition

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Preparation of modified nano sepiolite

[0034] Add 1 part of nano-sepiolite with a particle size of 30 nm in 35 parts of water and stir evenly to obtain a nano-sepiolite suspension. After heating the nano-sepiolite suspension to 70 ° C, add 2.5 parts of octadecyl ammonium salt, Continue to heat and stir for 2 hours to obtain liquid A for later use.

[0035] In addition, 4 parts of silane coupling agent KH-550 were weighed and added to 35 parts of ethanol aqueous solution with a concentration of 85wt% for hydrolysis. After 0.5h, a silane coupling agent hydrolyzate was obtained, and the silane coupling agent hydrolyzate was added to the Stirring was continued in liquid A for 2.5 hours, and finally the obtained liquid was subjected to suction filtration, washing, and drying successively to obtain modified nano sepiolite. The parts of the above substances are all parts by weight.

[0036] (2) Preparation of water-based ink

[0037] The parts by mass of each componen...

Embodiment 2

[0048] (1) Preparation of modified nano sepiolite

[0049] Add 1 part of nano-sepiolite with a particle size of 20 nm in 30 parts of water and stir evenly to obtain a nano-sepiolite suspension, heat the nano-sepiolite suspension to 60 ° C, and then add 2 parts of octadecyl ammonium salt, Continue to insulate and stir for 2 hours to obtain liquid A for later use.

[0050] In addition, 3 parts of silane coupling agent KH-570 were weighed and added to 30 parts of ethanol aqueous solution with a concentration of 90wt% for hydrolysis. After 1 hour, a silane coupling agent hydrolyzate was obtained, and the silane coupling agent hydrolyzate was added to the liquid In A, continue to stir for 2 hours, and finally the obtained liquid is successively subjected to suction filtration, washing, and drying to obtain modified nano sepiolite. The parts of the above substances are all parts by weight.

[0051] (2) Preparation of water-based ink

[0052] The parts by mass of each component of...

Embodiment 3

[0063] (1) Preparation of modified nano sepiolite

[0064] Add 1 part of nano-sepiolite with a particle size of 40 nm in 40 parts of water and stir evenly to obtain a nano-sepiolite suspension. After heating the nano-sepiolite suspension to 80 ° C, add 3 parts of octadecyl ammonium salt, Continue to insulate and stir for 2 hours to obtain liquid A for later use.

[0065] In addition, 5 parts of silane coupling agent KH-590 were weighed and added to 40 parts of ethanol aqueous solution with a concentration of 80wt% for hydrolysis. After 0.75h, a silane coupling agent hydrolyzate was obtained, and the silane coupling agent hydrolyzate was added to the Stirring was continued in liquid A for 3 hours, and finally the obtained liquid was subjected to suction filtration, washing, and drying to obtain modified nano sepiolite. The parts of the above substances are all parts by weight.

[0066] (2) Preparation of water-based ink

[0067] The parts by mass of each component of the water...

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Abstract

The invention belongs to the field of water-based ink and discloses water-based ink for a modified nano sepiolite composite water-based amino resin and a preparation method of the water-based ink aiming at solving the technical problems that the conventional water-based ink is low in thermal stability, glossiness and smoothness. The water-based ink comprises the following components: 4-6wt% of modified nano sepiolite, 35-45wt% of a water-based amino resin, 20-25wt% of water, 5-15wt% of ethanol, 15-25wt% of pigments, 1-2wt% of a dispersing agent, 1-2wt% of an antifoaming agent and 1-2wt% of a stabilizer. The method for preparing the water-based ink comprises the following steps: modifying the nano sepiolite by using a cationic surfactant and a silane coupling agent, compounding the modified nano sepiolite with the water-based amino resin, water, ethanol, pigments, the dispersing agent, the antifoaming agent and the stabilizer, thereby obtaining the water-based ink. Compared with the prior art, the water-based ink has high thermal stability, glossiness and smoothness.

Description

technical field [0001] The invention relates to the field of water-based ink, in particular to a water-based ink of modified nano sepiolite composite water-based amino resin and a preparation method thereof. Background technique [0002] Water-based ink is an ink made of water as a solvent. It is prepared by combining specific water-based polymer resins, pigments, water and co-solvents through physical and chemical processes. Compared with oily and organic solvent-based inks, water-based inks do not cause a large amount of volatilization of organic solvents, have low toxicity, and have little impact on the health of production workers. Today, as more and more attention is paid to environmental protection and personal health, water-based inks have a huge potential. development prospects. However, because the development of water-based inks is not as mature as that of solvent-based inks, there are deficiencies in many properties. Compared with solvent-based inks, water-based ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/103C09D11/03C09C1/42C09C3/12C09C3/08
CPCC09C1/42C09C3/006C09D11/03C09D11/103
Inventor 杨俊波杨志德
Owner 长兴艾飞特科技股份有限公司
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