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Ultrafine disperse dye red color paste and preparation method of same

A disperse dye, red technology, applied in the direction of organic dyes, pigment pastes, inks, etc., can solve the problems of agglomeration, precipitation, and inability to achieve ink stability, and achieve the effect of small particle size, strong stability and good stability

Inactive Publication Date: 2017-04-26
NANTONG NAWEI DIGITAL MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The application of disperse dye inks in digital inkjet printing has the characteristics of bright colors and simple color development process in the later stage. At present, the disperse dye inks on the market basically adopt ultra-fine color pastes imported from abroad such as BASF and Ciba for later formulation preparation. However, domestic color pastes cannot meet the standards of similar foreign products in terms of ink stability, and are prone to agglomeration and precipitation, which will affect the application of digital inkjet printing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0024] An ultra-fine disperse dye red color paste, including material one and material two;

[0025] Said material one consists of the following components according to mass grams:

[0026] Disperse Red 60 90g;

[0027] Synthetic wetting agent 4g;

[0028] Sodium lignosulfonate 40g;

[0029] 220g deionized water;

[0030] The second material is composed of the following components according to mass grams:

[0031] Sodium lignosulfonate 40g;

[0032] 500g deionized water.

[0033] A preparation method of the superfine disperse dye red color paste as described, including the following steps:

[0034] (1) Synthesis of wetting and dispersing agent:

[0035] Step 1: Put 8g of maleic anhydride and 110g of polyoxyethylene lauryl ether into a four-necked flask. After dissolving at 70°C, add 0.1g of p-toluenesulfonic acid as a catalyst, and rapidly increase the temperature to 200°C for 7h;

[0036] Step 2: Afterwards, the temperature is lowered to 70°C, 10g of fumaric acid and 0.1g of benzoyl peroxide ...

specific Embodiment 2

[0041] An ultra-fine disperse dye red color paste, including material one and material two;

[0042] Said material one consists of the following components according to mass grams:

[0043] Disperse Red 60 110g;

[0044] Synthetic wetting agent 6g;

[0045] Sodium lignosulfonate 60g;

[0046] 250g deionized water;

[0047] The second material is composed of the following components according to mass grams:

[0048] Sodium lignosulfonate 60g;

[0049] Deionized water 600g.

[0050] A preparation method of the superfine disperse dye red color paste as described, including the following steps:

[0051] (1) Synthesis of wetting and dispersing agent:

[0052] Step 1: Put 10g of maleic anhydride and 130g of polyoxyethylene laureth into a four-necked flask. After dissolving at 70°C, add 0.3g of p-toluenesulfonic acid as a catalyst, and quickly raise the temperature to 220°C for 7h;

[0053] Step 2: Afterwards, the temperature is lowered to 70°C, 13g of fumaric acid and 0.3g of benzoyl peroxide cataly...

specific Embodiment 3

[0058] An ultra-fine disperse dye red color paste, including material one and material two;

[0059] Said material one consists of the following components according to mass grams:

[0060] Disperse Red 60 103g;

[0061] Synthetic wetting agent 5g;

[0062] Sodium lignosulfonate 50g;

[0063] 240g deionized water;

[0064] The second material is composed of the following components according to mass grams:

[0065] Sodium lignosulfonate 48g;

[0066] Deionized water 510g.

[0067] A preparation method of the superfine disperse dye red color paste as described, including the following steps:

[0068] (1) Synthesis of wetting and dispersing agent:

[0069] Step 1: Put 9g of maleic anhydride and 120g of polyoxyethylene laureth into a four-necked flask. After dissolving at 70°C, add 0.2g of p-toluenesulfonic acid as a catalyst, and rapidly increase the temperature to 210°C for 7h;

[0070] Step 2: Afterwards, the temperature is lowered to 70°C, 12g of fumaric acid and 0.2g of benzoyl peroxide as t...

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PUM

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Abstract

The invention discloses ultrafine disperse dye red color paste which includes a first material and a second material, wherein the first material is composed of: 90-110 g of disperse red 60, 4-6 g of a synthetic wetting agent, 40-60 g of sodium lignosulfonate, and 220-250 g of deionized water; and the second material is composed of 40-60 g of sodium lignosulfonate and 500-600 g of deionized water. A preparation method includes the steps of: synthesizing the wetting agent and preparing the ultrafine disperse dye red color paste. The ultrafine color paste has small particle size and strong stability. Ink prepared from the ultrafine color paste has good stability and is free of blocking a printing head even after continuous printing for 100 m<2>.

Description

Technical field [0001] The invention belongs to the technical field of new materials, and specifically relates to a method for preparing ultra-fine disperse dye red color paste. Background technique [0002] Disperse dye inks used in digital inkjet printing have the characteristics of bright colors and simple post-color development process. The disperse dye inks currently on the market basically use imported ultra-fine color pastes produced by BASF and Ciba for post-formulation preparation. As a result, domestic color pastes cannot meet the standards of similar foreign products in terms of ink stability, and are prone to agglomeration and precipitation, which affects the application of digital inkjet printing. Contents of the invention [0003] Purpose of the invention: The present invention provides an ultra-fine disperse dye red color paste and its preparation method. By using its self-made dispersed wetting agent, the prepared red color paste has good stability and does...

Claims

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Application Information

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IPC IPC(8): C09D17/00C09B67/40C09D11/328
CPCC09D17/00C09B67/0082C09D11/328
Inventor 王玉丰陆建辉
Owner NANTONG NAWEI DIGITAL MATERIAL TECH
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