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A kind of macromolecule anion-nonionic emulsifier and preparation method thereof

A non-ionic, non-ionic reactive technology, applied in the field of macromolecular anion-nonionic emulsifiers and their preparation, can solve the problems of easy migration of small molecule emulsifiers and affect the performance of paint films, etc., to achieve good emulsification effect, The effect of high emulsifying ability and good dimensional stability

Active Publication Date: 2022-05-27
FINJET CHEM IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a macromolecular emulsifier, which has an anionic-nonionic commonality, and also solves the problem that small molecular emulsifiers are easy to migrate and affect the performance of the paint film

Method used

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  • A kind of macromolecule anion-nonionic emulsifier and preparation method thereof
  • A kind of macromolecule anion-nonionic emulsifier and preparation method thereof

Examples

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Effect test

Embodiment 1

[0036] Example 1: 15 g vinyl monomers (8 g methyl methacrylate, 10 g butyl acrylate), 6 g hydroxyl reactive monomers, 9 g nonionic monomers (vinyl pyrrolidone), 18 g organic acid reactive monomers body (acrylic acid), 4g initiator (di-tert-butyl peroxide), 20g neutralizer (dimethylethanolamine), and the rest are solvent (ethylene glycol butyl ether), totaling 100g.

Embodiment 2

[0037] Example 2: 15g vinyl monomers (5g methyl acrylate, 10g butyl methacrylate), 5g hydroxyl reactive monomer, 8g nonionic monomer (1,4 butylene glycol), 18g organic acid quasi-reactive monomer (methacrylic acid), 4g initiator (tert-butyl oxybenzoate), 20g neutralizer (ethanolamine), and the rest are solvent (propylene glycol butyl ether), totaling 100g.

Embodiment 3

[0038] Example 3: 20 g vinyl monomers (11 g methyl acrylate, 9 g isooctyl acrylate), 6 g hydroxyl reactive monomers, 10 g nonionic monomers (acrylamide), 18 g organic acid reactive monomers ( allyl sulfonic acid), 5 g initiator (di-tert-butyl peroxide), 25 g neutralizing agent (triethylamine), and the rest are solvent (dipropylene glycol methyl ether), totaling 100 g.

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Abstract

This case involves a macromolecular anion-nonionic emulsifier and its preparation method. The emulsifier is composed of 15-20% vinyl monomer, 5-8% hydroxyl reactive monomer, 8-10% nonionic Reactive monomer, 18-22% organic acid reactive monomer, 4-5% initiator, 20-25% neutralizer and the balance solvent. In this case, the hydroxyl-reactive monomer can endow the emulsifier with high emulsifying ability, good dispersibility and wetting performance, and it can be used together with a non-ionic monomer to obtain a polymer with the characteristics of a non-ionic emulsifier, which is used for emulsion Fine particle size can be obtained during the preparation; the macromolecular polymer prepared in this case has the characteristics of non-ionic and anionic emulsifiers at the same time, has a large molecular weight, improves the water resistance of the paint film, and has a fine particle size. The characteristics of high emulsification; the emulsifier itself has strong stability, no flocculation, strong tolerance to emulsion, and excellent emulsification effect.

Description

technical field [0001] The invention belongs to the technical field of emulsifier preparation, in particular to a macromolecular anion-nonionic emulsifier and a preparation method thereof. Background technique [0002] Emulsification is the effect of one liquid being uniformly dispersed in another immiscible liquid as tiny droplets. Emulsification is a liquid-liquid interface phenomenon. Two immiscible liquids, such as oil and water, are separated into two layers in a container, with the oil with lower density in the upper layer and the water with higher density in the lower layer. If an appropriate surfactant is added under vigorous stirring, the oil is dispersed in water to form an emulsion, a process called emulsification. The types of commonly used emulsifiers are divided into three types: anionic, cationic and non-ionic. [0003] Anionic emulsifiers can obtain good particle size in the process of emulsion preparation, but they also have defects such as poor stability....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/06C08F220/14C08F220/18C08F220/36C08F226/10C08F216/04C08F228/02C08F220/56C08F212/14C08F212/12C08F220/48C09K23/52
CPCC08F220/06C08F228/02C08F212/30C09K23/16C08F220/14C08F220/1804C08F220/36C08F226/10C08F216/04C08F220/1808C08F220/56C08F212/12C08F220/48C08F212/08
Inventor 王元有
Owner FINJET CHEM IND LTD
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