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Manufacturing method of brightening and smoothening agent

A manufacturing method and technology of a smoothing agent, applied in textiles, papermaking, fiber processing, etc., can solve the problems of yellowing, leaving silicon spots, unstable hydroxyl silicone oil emulsion, etc., and achieve outstanding effects, smooth hand feel, and bright effects. Effect

Inactive Publication Date: 2015-12-02
SHEYANG TIANYUAN CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process is simple and convenient, but the hydroxy silicone oil emulsion is extremely unstable, and it is easy to break the emulsification floating oil and leave silicon spots and other defects on the cloth surface, and the amino silicone oil emulsion is very easy to cause yellowing on white or light-colored fabrics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) In a 1000L reactor equipped with a stirrer, a nitrogen feed device, and a thermometer, add 400 kg of dihydroxy polydimethylsiloxane oligomers and 1,3-bis(3-aminopropyl)- 50 kg of 1,1,3,3-tetramethyldisiloxane, 0.5 kg of catalyst tetramethylammonium hydroxide, reacted for 4 hours at 100°C, and raised the temperature to 140°C to remove the catalyst to obtain the structure at both ends: Amino ultra-high molecular weight linear silicone oil intermediate. Cool down to 40°C, add 15 kg of diethylene glycol diglycidyl ether, 30 kg of 2,3-epoxypropyltrimethylammonium chloride, and 50 kg of isopropanol while stirring, and heat up to 80°C for reaction 7 hours to get special silicone oil for bright smoothing agent;

[0021] (2) After getting 200 kilograms of special silicone oil for bright smoothing agent and 50 kilograms of polyethylene wax with a molecular weight of 3000 and mixing them evenly, add 6 kilograms of glacial acetic acid, 10 kilograms of emulsifier fatty alcohol ...

Embodiment 2

[0023] (1) In a 1000L reactor equipped with a stirrer, a nitrogen feed device, and a thermometer, add 500 kg of dihydroxypolydimethylsiloxane oligomers and 1,3-bis(3-aminopropyl)- 20 kg of 1,1,3,3-tetramethyldisiloxane, 0.4 kg of catalyst potassium hydroxide, react at 140°C for 4 hours, cool down to 40°C, add diethylene glycol under stirring 10 kilograms of diglycidyl ether, 20 kilograms of 2,3-epoxypropyltrimethylammonium chloride, 50 kilograms of isopropanol, heated up to 80 DEG C and reacted for 7 hours to obtain special silicone oil for brightening and smoothing agent;

[0024] (2) After getting 200 kilograms of special silicone oil for bright smoothing agent and 40 kilograms of polyethylene wax with a molecular weight of 4000 and mixing them uniformly, add 6 kilograms of glacial acetic acid, 15 kilograms of emulsifier fatty alcohol polyoxyethylene ether, isomerized decanol polyoxyethylene ether, 10 kg of oxyethylene ether, 8 kg of isotridecyl alcohol polyoxyethylene ether...

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Abstract

The invention relates to a manufacturing method of brightening and smoothening agent, belonging to the fields of organic synthesis and macromolecular polymerization in chemical engineering and high polymer chemistry. The manufacturing method comprises the steps of preparing an ultra-high molecular weight linear silicone oil intermediate with aminos on two ends through basic catalyst equilibration reaction by virtue of organic silicone oligomers and an end-capping reagent, copolymerizing the ultra-high molecular weight linear silicone oil intermediate with diethylene glycol diglycidyl ether and a cationic etherifying agent to obtain specific silicone oil for the brightening and smoothening agent, compounding the specific silicone oil with polyethylene wax, and emulsifying by virtue of an emulsifying agent, glacial acetic acid and deionized water, so as to obtain the brightening and smoothening agent. By virtue of the technical scheme, the manufacturing method has the advantages and positive effects that the novel-structured specific silicone oil for the brightening and smoothening agent is firstly prepared and has stable performance of high temperature resistance, yellowing resistance and demulsification resistance. By virtue of the brightening and smoothening agent obtained by compounding silicone oil with polyethylene wax, a uniform adsorption film is easily formed on fabrics, and the processed fabrics have smooth hand feeling and a prominent brightening effect visually.

Description

technical field [0001] The invention relates to a method for producing a bright smoothing agent, which belongs to the fields of organic synthesis and polymer polymerization in chemical industry and polymer chemistry. Background technique [0002] In the textile printing and dyeing industry, silicone smoothing agents can give plush fabrics, leather fabrics, and cotton fabrics a smooth feel. With the improvement of people's living standards, high-grade blanket fabrics, clothing fabrics and leather fabrics are not only required to feel soft and smooth, but also have higher requirements for the color and brightness of the fabric visually. [0003] Textile smoothing agents currently on the market are mainly prepared by emulsification after compounding dimethyl silicone oil, hydroxyl silicone oil, amino silicone oil, etc. However, dimethyl silicone oil and hydroxy silicone oil emulsions are extremely unstable, easy to demulsify, and are easy to leave defects such as silicon spots...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G77/388D06M15/643D06M15/227D06M13/188
Inventor 薛成强陈刚刘姬智孙昌红蒋红玲
Owner SHEYANG TIANYUAN CHEM IND CO LTD
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