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Preparation method of biodegradable quaternary ammonium ester softener

A biodegradable, quaternary ammonium ester technology, applied in textiles and papermaking, fermentation, fiber treatment, etc., can solve the problems of poor biodegradability, achieve the effects of improving compatibility, accelerating degradation speed, and improving biodegradability

Inactive Publication Date: 2018-01-05
赵顺全
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The technical problem to be solved by the present invention: Aiming at the defect of poor biodegradability of the currently commonly used softeners, a preparation method of a biodegradable quaternary ammonium ester softener is provided

Method used

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  • Preparation method of biodegradable quaternary ammonium ester softener

Examples

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example 1

[0023] According to the volume ratio of 6:1:1, palm oil, hexane and acetone were mixed and dissolved for 20 minutes, and then put into the refrigerator after dissolving, and cooled at -20°C for 1 hour to obtain a crystalline substance, which was separated in a centrifuge 10min, separate the upper layer light phase substance, wash the upper layer light phase substance with hot water 10 times, continue to dry for 1h after rinsing, obtain homemade palmitic acid, and then mix ethylene oxide liquid and mass fraction according to the volume ratio of 1:1 Pour 10% ammonia water into the reactor, react at a temperature of 35°C and a pressure of 80kPa for 1 hour to obtain a mixed solution of ethanolamine, dehydrate the mixed solution of ethanolamine at 90°C for 45 minutes, dehydrate and concentrate it, and then put it into a decompression essence Carry out vacuum distillation in the distillation tower for 2 hours, when the temperature reaches 320°C, collect the distillates to obtain home...

example 2

[0025]According to the volume ratio of 6:1:1, palm oil, hexane and acetone were mixed and dissolved for 25 minutes, and then put into the refrigerator after dissolving, and cooled at -15°C for 1.5 hours to obtain a crystalline substance, which was put into a centrifuge Separated for 12 minutes, separated the upper light phase substance, rinsed the upper light phase substance with hot water 11 times, continued to dry for 1.5 hours after washing, and obtained self-made palmitic acid, and then mixed ethylene oxide liquid and Pour ammonia water with a mass fraction of 10% into the reactor, react at a temperature of 40°C and a pressure of 150kPa for 1.5h, and obtain a mixed solution of ethanolamine, dehydrate the mixed solution of ethanolamine at 100°C for 55min, dehydrate and concentrate, then put Carry out vacuum distillation in the vacuum distillation tower for 2.5h, when the temperature reaches 340°C, collect the fractions to obtain homemade triethanolamine, continue to add 11g ...

example 3

[0027] According to the volume ratio of 6:1:1, palm oil, hexane and acetone were mixed and dissolved for 30 minutes, and then put into the refrigerator after dissolving, and cooled at -10°C for 2 hours to obtain a crystalline substance, which was separated in a centrifuge 15min, separate the upper layer light phase substance, rinse the upper layer light phase substance with hot water 12 times, continue to dry for 2h after rinsing, obtain homemade palmitic acid, and then mix ethylene oxide liquid and mass fraction according to the volume ratio of 1:1 Pour 10% ammonia water into the reactor, react at a temperature of 45°C and a pressure of 200kPa for 2 hours to obtain a mixed solution of ethanolamine, dehydrate the mixed solution of ethanolamine at 120°C for 65 minutes, dehydrate and concentrate it, and then put it into a decompression essence Carry out vacuum distillation in the distillation tower for 3 hours, when the temperature reaches 360°C, collect the distillates to obtain...

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Abstract

The invention discloses a preparation method of a biodegradable quaternary ammonium ester softener, and belongs to the technical field of preparation of daily articles. The preparation method comprises the following steps: firstly extracting palmitic acid from palm oil, then mixing an ethylene oxide liquid and ammonia water for reacting to obtain triethanolamine, heating the palmitic acid, the triethanolamine, nitrogen and p-toluenesulfonic acid for reacting, and continuing blending with yogurt microorganisms for fermenting, wherein the microorganisms are used for decomposing quaternary ammonium ester to produce hydrophilic ester groups, and under the self-crosslinking action of the microorganisms, the ester groups are grafted to the surface of fabric to accelerate the degradation speed ofthe quaternary ammonium ester; dimethyl carbonate is added, a quaternization reaction occurs, and the quaternization reaction is a strong exothermic reaction; chloroethanol and anhydrous ethanol arefurther added for dissolving and dispersing a reactant. Triethanolamine palmitate quaternary ammonium salt itself is a biodegradable material, so that the biodegradability of the softener is further improved, both economy and environment friendliness are achieved, and such a trend brings a wide market prospect to the triethanolamine palmitate quaternary ammonium salt.

Description

technical field [0001] The invention discloses a preparation method of a biodegradable quaternary ammonium ester softener, which belongs to the technical field of softener preparation. Background technique [0002] Softeners are a class of chemical substances that can change the static and dynamic friction coefficients of fibers. When the coefficient of static friction is changed, the hand feels smooth and easy to move on the fiber or fabric; when the coefficient of dynamic friction is changed, the fine structure between fibers is easy to move with each other, that is, the fiber or fabric is easy to deform. The combined feeling of the two is soft. There are four types of softeners according to their ionic properties: cationic, nonionic, anionic, and amphoteric quaternary ammonium salts. [0003] Soft finishing is an important finishing process in printing and dyeing processing. Textiles in process. After repeated treatment, the handle will become rough, which is generall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M13/463C12P7/62
Inventor 杨立军陈莉莉林大伟
Owner 赵顺全