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A kind of polyacrylate polymer emulsifier and preparation method thereof

A polymer emulsifier, polyacrylate technology, applied in chemical instruments and methods, chemical/physical processes, transportation and packaging, etc., can solve the problem of small molecular emulsifiers and polymer emulsifiers. Good encapsulation effect, good emulsification effect, and high temperature stability improvement effect

Active Publication Date: 2021-02-05
中化化工科学技术研究总院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the deficiency in the use of small-molecular emulsifiers in the prior art and the lack of varieties of existing high-molecular emulsifiers, the present invention provides a polyacrylate-based high-molecular emulsifier and a preparation method thereof

Method used

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  • A kind of polyacrylate polymer emulsifier and preparation method thereof
  • A kind of polyacrylate polymer emulsifier and preparation method thereof
  • A kind of polyacrylate polymer emulsifier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A polyacrylate polymer emulsifier, consisting of the following components in parts by weight:

[0029] 35 parts of acrylic acid, 35 parts of stearyl acrylate, 2 parts of allyloxy nonylphenoxy propanol polyoxyethylene ether, 3 parts of ammonium persulfate, 20 parts of sodium hydroxide, and 100 parts of water.

[0030] Preparation methods include:

[0031] Step 1: Add water, acrylic acid, octadecyl acrylate, allyloxynonylphenoxypropanol polyoxyethylene ether, and ammonium persulfate to the reaction with thermometer, shearing, stirring, and condensing reflux device according to weight In the kettle, shear and emulsify for 10 minutes;

[0032] Step 2: The temperature is slowly raised to 90°C and reacted for 4 hours;

[0033] Step 3: Add sodium hydroxide to neutralize, cool and discharge.

[0034] The weight-average relative molecular weight of the polymer emulsifier detected by GPC is 38600.

Embodiment 2

[0036] The stearyl acrylate in Example 1 was replaced with pentyl acrylate, and the others remained unchanged.

[0037] The weight-average relative molecular weight of the polymer emulsifier detected by GPC is 43400.

Embodiment 3

[0039] The octadecyl acrylate in Example 1 was replaced with hexyl methacrylate, and the others were unchanged.

[0040] The weight-average relative molecular weight of the polymer emulsifier detected by GPC is 43,000.

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Abstract

The invention discloses a polyacrylate agricultural polymer emulsifier, which belongs to the field of polymer materials. The above polymer emulsifier is composed of the following components by weight: 10-70 parts of acrylic monomer, 5-50 parts of acrylic monomer, 0.01-10 parts of polymer emulsifier, 1-10 parts of initiator, 1-10 parts of alkali 40 parts, 50-200 parts of water; the weight ratio of the acrylic monomer to the acrylic monomer is 1-7:1-5. The polymer emulsifier of the present invention has long-chain alkyl chains, has good adsorption and encapsulation effect on mineral oil, vegetable oil and benzene oil, and has good emulsification effect.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a polyacrylate polymer emulsifier. Background technique [0002] An emulsifier is a substance used to prepare an emulsion and give it a minimum degree of stability, and is an essential component. Common emulsifiers are small molecule emulsifiers, mainly nonionic emulsifiers such as alkylphenol polyoxyethylene ethers and fatty alcohol polyoxyethylene ethers, and anionic emulsifiers such as alkylbenzene sulfonates. Polymer emulsifiers generally refer to polymer compounds with a relative molecular mass of several thousand or more and surface-active functions. According to the source, polymer surfactant compounds can be divided into natural polymer surfactants, natural modified (or semi-synthetic) polymer surfactants and chemically synthesized polymer surfactants. Natural polymer surfactants exist in animals and plants and play a very important role in the life process. They are am...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F283/06C08F220/06C08F220/18B01F17/36C09K23/36
CPCC08F283/065C09K23/00C08F220/18C08F220/1806C08F220/1812C08F220/1818C08F220/1808C08F220/1809C08F220/1805
Inventor 卢忠利张宗俭朱建秀
Owner 中化化工科学技术研究总院有限公司
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