Aqueous buffing oil with shell/core structure

A technology of core-shell structure and polishing oil, which is applied in the field of polishing oil, can solve the problem of poor gloss of the compound emulsion, achieve the effects of improving production and construction conditions, strong adhesion, and good aging resistance

Inactive Publication Date: 2005-06-29
广州电器科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the glossiness of the compound emulsion is not as good as that of a single emulsion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Add 126.1g of water and 11.4g of 28% ammonia water to a 1-liter flask, stir, heat up to 60°C, add 51.6g of acrylic resin in batches, then raise the temperature to 80°C, and keep it warm for 2 hours to obtain acrylic acid with a solid content of 27%. resin solution. Add the mixed solution of 82.5g water and 10g sodium lauryl sulfate in this acrylic resin solution, start nitrogen, after stirring for 10 minutes, add the mixed solution of 0.6g potassium persulfate and 12g water, then slowly add dropwise 50g benzene Ethylene monomer, the controlled drop time is 2 hours, and the white translucent seed emulsion with blue light is obtained. After insulated for 30 minutes, continue to add dropwise the mixed monomer of 74g styrene, 45g butyl acrylate, and 1g acrylic acid in the seed emulsion, and the dropping time is 3 hours. A mixed solution of potassium sulfate and 6g of water. After the dropwise addition, keep warm at 80°C for 1 hour; then raise the temperature to 90°C for a...

Embodiment 2

[0024] Add 126.1g of water and 11.4g of 28% ammonia water into a 1-liter flask, stir, heat up to 60°C, add 34.4g of acrylic resin in batches, then raise the temperature to 80°C, and keep it warm for 2 hours to obtain acrylic acid with a solid content of 27%. resin solution. Add the mixed solution of 82.5g water and 10g sodium lauryl sulfate in this acrylic resin solution, start nitrogen, after stirring for 10 minutes, add the mixed solution of 0.6g potassium persulfate and 12g water, then slowly add dropwise 67.2g Styrene monomer, the control drop time is 2 hours, obtains the white translucent seed emulsion with blue light. After insulated for 30 minutes, continue to add dropwise the mixed monomer of 74g styrene, 45g butyl acrylate, and 1g acrylic acid in the seed emulsion, and the dropping time is 3 hours. A mixed solution of potassium sulfate and 6g of water. After the dropwise addition, keep warm at 80°C for 1 hour; then raise the temperature to 90°C for aging for half an...

Embodiment 3

[0026] Add 126.1g of water and 11.4g of 28% ammonia water to a 1-liter flask, stir, heat up to 60°C, add 51.6g of acrylic resin in batches, then raise the temperature to 80°C, and keep it warm for 2 hours to obtain acrylic acid with a solid content of 27%. resin solution. Add the mixed solution of 82.5g water and 10g sodium lauryl sulfate in this acrylic resin solution, start nitrogen, after stirring for 10 minutes, add the mixed solution of 0.6g potassium persulfate and 12g water, then slowly add dropwise 50g benzene Ethylene monomer, control drop time is 1.5 hours, obtains white translucent seed emulsion. All the other formulas and process conditions are with embodiment 1. The particle size of latex particles obtained by this system is relatively large, and the polymerization stability is also slightly poor.

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PUM

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Abstract

Disclosed is a hydrophilic buffing oil with core-shell structure,with its component and mass content: base materials 48-5%, latex 1-3%,water 43-48%, thickener 2-4% and assistant 0.1-0.5%. Coat the hydrophilic buffing oil on printed matter,then buffing it under rolling of 150kg in 80-100deg.C, making the wear resistance and ornamental higher,with protection to water and increased additional value;meanwhile, it uses latex polymerization method,inwhich there is no solvent,remarkably advancing productive condition,it has notably social benefit.

Description

technical field [0001] The invention relates to a polishing oil. Background technique [0002] Polishing oil can give printed matter an excellent mirror effect and increase its wear resistance and gloss. Polishing oil is required to form a film at room temperature and not stick to the roller when polished at 80-100°C and 150kg roller pressure. Therefore, it must have excellent hardness, wear resistance and good low-temperature film-forming property at the same time. The traditional polishing oil adds a large amount of organic solvent to the hard emulsion to reduce its minimum film-forming temperature. This kind of polishing oil has better comprehensive performance, but the construction conditions are harsh and it also pollutes the environment. Therefore, in recent years, more and more hard emulsions and soft emulsions are compounded. The soft emulsion provides film-forming properties, and the hard emulsion endows the polymer film with higher hardness and wear resistance. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09G1/10D21H27/28
Inventor 张晓东胡乐晖张玉国王丰韩光良
Owner 广州电器科学研究院
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