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Preparation method of polyether modified silicone for producing fabric softener

A polyether-modified silicone oil and fabric technology, which is applied in the direction of improved hand fibers, textiles and papermaking, fiber treatment, etc., can solve the problems of polyether-modified silicone oils that are easy to turn yellow, have a large amount of residual impurities, and poor color, etc. Achieve the effect of pure color, excellent performance and strong catalytic efficiency

Inactive Publication Date: 2017-10-03
王琪宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Most of the existing polyether modified silicone oil products use platinum catalysts to catalyze the addition reaction, which makes the produced polyether modified silicone oil products easy to turn yellow, poor in color, and have a large amount of residual impurities, which is not suitable for direct production of fabrics Softeners, antistatic agents and other fields often need some follow-up treatment when they are put into use. Therefore, it is necessary to develop a polyether-modified silicone oil production process that has less impurities and is easy to use in the production of fabric softeners.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1. Preparation of ionic liquid catalyst

[0018] In a 1000L stirred tank, add 100Kg of KIT-6 cubic structure mesoporous molecular sieve, 45Kg of chloroplatinic acid, 0.5Kg of 1-butyl-2,3-dimethylimidazolium chloride, 1-propylsulfonic acid-3-methyl 0.5Kg imidazolium chloride salt, 0.05Kg dinitrocyclohexanediamine platinum, stir at 300rpm for 0.5h, then add N,N-dimethylformamide 450Kg, soak at 60°C for 30 hours, filter , washed and dried to obtain the ionic liquid catalyst product of the present invention.

[0019] 2. Preparation of polyether modified silicone oil

[0020] In a 1000L reactor, add 100Kg of polyether, 160Kg of hydrogen-containing silicone oil, 10Kg of the ionic liquid catalyst prepared in step 1, mix evenly, and react for 5 hours at a temperature of 100°C in a nitrogen environment. The product is separated and purified to obtain polyether modified Silicone oil products. Product number M-1.

Embodiment 2

[0022] 1. Preparation of ionic liquid catalyst

[0023] In a 1000L stirred tank, add KIT-6 cubic structure mesoporous molecular sieve 100Kg, chloroplatinic acid 30Kg, 1-butyl-2,3-dimethylimidazolium chloride 0.1Kg, 1-propylsulfonic acid-3-methyl 0.1Kg imidazolium chloride salt, 0.01Kg dinitrocyclohexanediamine platinum, stir at 300rpm for 0.5h, then add 300Kg N,N-dimethylformamide, soak at 40°C for 20 hours, filter , washed and dried to obtain the ionic liquid catalyst product of the present invention.

[0024] 2. Preparation of polyether modified silicone oil

[0025] In a 1000L reactor, add 100Kg of polyether, 80Kg of hydrogen-containing silicone oil, 5Kg of the ionic liquid catalyst prepared in step 1, mix evenly, and react for 2 hours at 80°C in a nitrogen environment. The product is separated and purified to obtain polyether modified Silicone oil products. Product number M-2.

Embodiment 3

[0027] 1. Preparation of ionic liquid catalyst

[0028] In a 1000L stirred tank, add KIT-6 cubic structure mesoporous molecular sieve 100Kg, chloroplatinic acid 60Kg, 1-butyl-2,3-dimethylimidazolium chloride salt 1Kg, 1-propylsulfonic acid-3-methyl Imidazolium chloride 1Kg, dinitrocyclohexanediamine platinum 0.1Kg, stir at 300rpm for 0.5h, then add N,N-dimethylformamide 600Kg, soak at 80°C for 40 hours, filter and wash , after drying, the ionic liquid catalyst product of the present invention is obtained.

[0029] 2. Preparation of polyether modified silicone oil

[0030] In a 1000L reactor, add 100Kg of polyether, 250Kg of hydrogen-containing silicone oil, 20Kg of the ionic liquid catalyst prepared in step 1, mix evenly, and react for 10 hours at a temperature of 120°C in a nitrogen environment. The product is separated and purified to obtain polyether modified Silicone oil products. Product number M-3.

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Abstract

The invention provides a preparation method of polyether modified silicone for producing a fabric softener. The preparation method comprises the following steps: adding polyether, hydrogen-containing silicone oil and an ionic liquid catalyst; performing uniform mixing; enabling reaction in a nitrogen environment at appropriate temperature; and separating and purifying the product to obtain a polyether modified silicone product.

Description

technical field [0001] The invention relates to a preparation method of polyether-modified silicone oil, in particular to a preparation method of polyether-modified silicone oil for fabric softener. Background technique [0002] Polyether modified silicone oil is a kind of silicone nonionic surfactant with unique performance, which is obtained by grafting and copolymerizing polyether and dimethylsiloxane. [0003] It can be used in the plastic greenhouse industry as an internal additive to add plastics to produce non-drip film greenhouses to prevent fogging and increase light transmittance; as a fabric finishing agent to soften, it is especially suitable for finishing underwear, bed sheets, towels, etc., not only It is soft, absorbs water and sweat, and is comfortable to wear; the leveling agent of paint and polyurethane slurry can reduce the internal friction and stress of its molecules, thereby playing the role of leveling and defoaming; making high-efficiency cutting flui...

Claims

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Application Information

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IPC IPC(8): C08G81/00D06M15/647
CPCC08G81/00D06M15/647D06M2200/50
Inventor 王琪宇王新
Owner 王琪宇
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