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Deinking agent

A technology of deinking agent and stripping agent, applied in the field of cleaning agents, can solve the problems of backward environmental testing and solutions, difficult cleaning of oil film, less research work, etc., achieve good deinking effect, good wettability, and reduce dosage Effect

Active Publication Date: 2017-03-08
DONGGUAN FUXING DETERGENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In our country, the problem of environmental pollution is becoming more and more serious, and the relevant environmental protection tests and solutions are backward. The deinking agent manufacturing industry basically produces traditional solvent-based cleaning agents, while there is little research work on vegetable oil-based deinking agents. It will be an inevitable trend to replace traditional deinking agents with degraded vegetable oil-based deinking agents. The existing vegetable oil-based deinking agents have problems such as high viscosity, poor wettability, and difficult cleaning of the oil film.
[0003] At present, the glass panels used in mobile smart terminals often go through one or more processes of ink printing or ink spraying on the surface. When the surface is bad, the ink needs to be removed and reprinted. The glass panel has no corrosion, no residue, and is easy to clean, which will bring greater convenience to the deinking process. However, at present, solvent-based cleaning agents are often used, and the application of vegetable oil-based deinking agents in the deinking of glass panels has not yet been seen. report

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: raw material preparation:

[0026] 1) The surfactant is obtained by esterification modification with succinic acid after amidation reaction of vegetable oil and organic base. Specifically, it is prepared by the following method: add the organic base into the reactor, add the catalyst and vegetable oil under stirring, control the mass ratio of the organic base, vegetable oil, and catalyst to 2.4:1:0.6, slowly raise the temperature to 120°C for 4 hours, and cool down to After room temperature, the amidation product was obtained; after that, the amidation product was added into the reactor, and succinic acid was added three times under stirring, and the molar ratio of carboxyl group to hydroxyl group was controlled to be 1:1.2. After feeding, the temperature was raised to 75°C for 4 hours. After cooling down to room temperature, a succinic modified product was obtained; 25 wt% aqueous ammonia solution was added dropwise to the succinic modified product, and s...

Embodiment 2

[0028] Embodiment 2: Raw material preparation: Surfactant is specifically prepared by the following method: add organic base in the reactor, add catalyst and vegetable oil under stirring, control the mass ratio of organic base, vegetable oil, catalyst to be 2.6:1:1, Slowly raise the temperature to 130°C and react for 3 hours. After cooling down to room temperature, the amidation product is obtained; then add the amidation product into the reactor, add succinic acid three times under stirring, control the molar ratio of carboxyl group to hydroxyl group to 1:1.4, and feed After the completion, the temperature was raised to 75°C for 4 hours, and after cooling down to room temperature, a succinic modified product was obtained; 28 wt% ammonia solution was added dropwise to the succinic modified product, and stirred for 45 minutes until the pH value was adjusted to 14 to obtain a surfactant B, where the organic base is a mixture of diethanolamine and ethyldiethanolamine at a ratio of...

Embodiment 3

[0029] Embodiment 3: Raw material preparation: Surfactant is specifically prepared by the following method: add organic base in the reactor, add catalyst and vegetable oil under stirring, control the mass ratio of organic base, vegetable oil, catalyst to be 2.5:1:0.8, Slowly raise the temperature to 110°C and react for 4 hours. After cooling down to room temperature, the amidation product is obtained; then add the amidation product into the reactor, add succinic acid three times under stirring, control the molar ratio of carboxyl group to hydroxyl group to 1:1.3, and feed After completion, the temperature was raised to 80°C for 3.5 hours, and after cooling down to room temperature, a succinic modified product was obtained; 30 wt% ammonia solution was added dropwise to the succinic modified product, and stirred for 55 minutes until the pH value was adjusted to 13 to obtain surface activity Agent C, wherein the organic base is triethanolamine; the catalyst is a mixture of tetraet...

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PUM

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Abstract

The invention discloses a deinking agent. The deinking agent is prepared from components in percentage by weight as follows: 20%-25% of a stripping agent, 8%-20% of a penetrating agent, 8%-12% of a stabilizer, 0.1%-0.3% of a chelating agent, 2%-8% of a surfactant and the balance of water, wherein the surfactant is obtained through esterification modification with succinic acid after an amidation reaction of plant oil and organic base. Compared with the prior art, the deinking agent enhances the penetration force for ink containing resin ingredients under the synergistic effect of the penetrating agent, the stripping agent, the stabilizer, the surfactant and enzymes, so that the ink is softened, stripped and shed, the deinking speed is greatly increased, the dosage of petroleum-based solvents is reduced, and the deinking agent is low in volatility, high in safety, environment-friendly and non-toxic.

Description

technical field [0001] The invention relates to the technical field of cleaning agents, in particular to a deinking agent used for cleaning glass panels of smart terminals. Background technique [0002] In our country, the problem of environmental pollution is becoming more and more serious, and the relevant environmental protection tests and solutions are backward. The deinking agent manufacturing industry basically produces traditional solvent-based cleaning agents, while there is little research work on vegetable oil-based deinking agents. It will be an inevitable trend to replace traditional deinking agents with degraded vegetable oil-based deinking agents. The existing vegetable oil-based deinking agents have problems such as high viscosity, poor wettability, and difficult cleaning of oil film. [0003] At present, the glass panels used in mobile smart terminals often go through one or more processes of ink printing or ink spraying on the surface. When the surface is ba...

Claims

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Application Information

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IPC IPC(8): C09D9/04
CPCC09D9/04
Inventor 刘发生
Owner DONGGUAN FUXING DETERGENT TECH
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