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Preparation method of high-temperature-resistant alkali type amino silicon oil emulsion

A technology of amino silicone oil and preparation method, applied in the field of amino silicone oil emulsion, can solve the problems of poor stability of amino silicone oil emulsion, poor high temperature resistance, poor alkali resistance, prone to yellowing, etc., so as to improve the emulsification effect, increase high temperature resistance and The effect of alkali resistance and excellent stability

Inactive Publication Date: 2019-12-27
常州市宁河新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problems existing in the prior art, the object of the present invention is to provide a method for preparing a high-temperature-resistant alkali-type amino silicone oil emulsion, which has the advantages of not being easy to yellow, not easy to break, and high-temperature and alkali-resistant, and solves the existing problems. Amino silicone oil emulsion has poor stability, is prone to yellowing and demulsification, and has problems of high temperature resistance and alkali resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for preparing a high-temperature-resistant alkali-type amino silicone oil emulsion, comprising the following steps:

[0028] S1: Prepare 40 parts of amino silicone oil, 10 parts of emulsifier, 35 parts of deionized water, 5 parts of glycerol additive, and 3 parts of trifluoromethyl maleic anhydride for use;

[0029] S2: Add emulsifier into the high-shear emulsification kettle and start stirring;

[0030] S3: Slowly add amino silicone oil, stir for 15 minutes, and carry out high-speed shear emulsification;

[0031] S4: add glycerol additive and trifluoromethyl maleic anhydride in turn, add deionized water while stirring, and the amount of water added is 10% of the total amount;

[0032] S5: Add 1-5 parts of triethylamine, stir, invert the phase of the system, slowly add the remaining ionized water, stir while adding, add a pH regulator to adjust the pH to 6, and obtain a high temperature resistant alkali type amino silicone oil emulsion.

[0033] Further, the ...

Embodiment 2

[0038] A method for preparing a high-temperature-resistant alkali-type amino silicone oil emulsion, comprising the following steps:

[0039] S1: Prepare 45 parts of amino silicone oil, 15 parts of emulsifier, 37.5 parts of deionized water, 7.5 parts of glycerol additive, and 4.5 parts of trifluoromethyl maleic anhydride for use;

[0040] S2: Add emulsifier into the high-shear emulsification kettle and start stirring;

[0041] S3: Slowly add amino silicone oil, stir for 20 minutes, and carry out high-speed shear emulsification;

[0042] S4: add glycerol additive and trifluoromethyl maleic anhydride in turn, add deionized water while stirring, and the amount of water added is 15% of the total amount;

[0043] S5: Add 3 parts of triethylamine, stir, invert the phase of the system, slowly add the remaining ionized water, stir while adding, add a pH regulator to adjust the pH to 6.5, and obtain a high temperature resistant alkali type amino silicone oil emulsion.

[0044] Further...

Embodiment 3

[0049] A method for preparing a high-temperature-resistant alkali-type amino silicone oil emulsion, comprising the following steps:

[0050] S1: Prepare 50 parts of amino silicone oil, 20 parts of emulsifier, 40 parts of deionized water, 10 parts of glycerol additive, and 6 parts of trifluoromethyl maleic anhydride for use;

[0051] S2: Add emulsifier into the high-shear emulsification kettle and start stirring;

[0052] S3: Slowly add amino silicone oil, stir for 25 minutes, and carry out high-speed shear emulsification;

[0053] S4: add glycerol additive and trifluoromethyl maleic anhydride in turn, add deionized water while stirring, and the amount of water added is 20% of the total amount;

[0054] S5: Add 1-5 parts of triethylamine, stir, invert the phase of the system, slowly add the remaining ionized water, stir while adding, add a pH regulator to adjust the pH to 7, and obtain a high temperature resistant alkali type amino silicone oil emulsion.

[0055] Further, the e...

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Abstract

The invention belongs to the field of amino silicon oil, and discloses a preparation method of a high-temperature-resistant alkali type amino silicon oil emulsion, which comprises the following steps:S1, preparing 40-50 parts of amino silicon oil, 10-20 parts of an emulsifier, 35-40 parts of deionized water, 5-10 parts of a glycerol additive and 3-6 parts of trifluoromethyl maleic anhydride for later use; S2, adding an emulsifier into the high-shear emulsifying kettle, and starting to stir. According to the invention, trifluoromethyl maleic anhydride can be amidated with amino silicone oil, amino active hydrogen in the amino silicon oil structure is reduced and carboxyl is increased; therefore, the effect of reducing emulsion yellowing is achieved; the high temperature resistance and thealkali resistance of the amino silicon oil emulsion are improved; meanwhile, the emulsifier can improve the surface tension among various constituent phases in the emulsion, so that a uniform and stable dispersion system or emulsion substance is formed, the amino silicone oil emulsion has excellent stability, and the problems that the traditional amino silicone oil emulsion is easy to yellow and demulsify and poor in high-temperature resistance and alkali resistance are solved.

Description

technical field [0001] The invention relates to the technical field of amino silicone oil emulsion, in particular to a method for preparing a high temperature resistant alkali type amino silicone oil emulsion. Background technique [0002] Silicone oil is a colorless, odorless, non-toxic and non-irritating liquid with good chemical stability, heat and cold resistance, weather resistance, hydrophobicity, lubricity, high refractive index and low surface tension. After emulsifying silicone oil to make silicone oil emulsion, it can be widely used in personal care products, textiles, and surface treatment. [0003] The amino group in the amino silicone oil can interact with the hydroxyl and carboxyl groups on the surface of the fiber, and is firmly adsorbed on the fiber to improve the washing resistance of the fabric; the amino silicone oil forms a film on the surface of the fabric. Generally speaking, the greater the molecular weight of the amino silicone oil, The better the fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/03C08L83/08C08L23/08C08K13/02C08K5/06C08K3/04C08K5/053
CPCC08J3/03C08J2323/08C08J2383/08C08J2483/08C08K5/053C08K5/06C08K13/02C08K2201/011C08K3/041
Inventor 宋丰伟
Owner 常州市宁河新材料科技有限公司
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