KR101905888B1 - Manufacturing method of bath softner agent and bath softner agent manufactured by same method - Google Patents

Abstract

The present invention relates to a process for producing a polyoxyethylene-polyoxypropylene alkyl ether, comprising: a first reaction step of dissolving and mixing a sodium sulfate alkyl ether and a polyoxyethylene-polyoxypropylene alkyl ether in purified water; A second reaction step in which disodium ethylenediaminetetraacetate, tetra sodium ethylenediamine tetraacetate and sodium benzoate are added to the mixture formed in the first reaction step and the remaining purified water is added to dissolve and mix; A filtration step of removing impurities from the mixture formed in the second reaction step; An aging step of aging the filtered mixture, and a bath softening agent produced by the method.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath softener and a bath softener manufactured by the same method,

The present invention relates to a method for producing a bath softening agent and a bath softening agent by the method for producing the same, and a method for producing a bath softening agent excellent in wrinkling and wrinkle preventing effect through a novel manufacturing method and a bath softening agent by the method for producing the same.

Generally, the organic odor generated in fibers is caused by organic compounds such as sweat odor reacting with volatile organic compounds such as unsaturated lower fatty acids and ammonia formed by decomposition of the skin upright bacteria or reacting with laundry detergent or residues of fabric softener . Especially, in the case of rainy season, drying time is delayed during drying in the room, so it is known that odor is generated by Morxella asloensis, which is an odor bacterium.

Conventionally, a fabric softener composition containing an antibacterial agent has been used in order to remove such odor and the like. However, since it has been reported that the antibacterial agent contained in the conventional fabric softener is harmful to human body, the use of such antibacterial agent is recently avoided It is true.

The fabric softening agent is a finishing agent for imparting flexibility to fibers after washing, and usually provides an effect of imparting flexibility to fibers as well as an antistatic effect.

Conventionally, dimethyl dialkyl ammonium chloride (DDAC) has been widely used as a fabric softening agent. After that, it has been used as a fabric softener of quaternary ammonium salt, imidazoline and imidazoline ester of amidoamine, BACKGROUND OF THE INVENTION [0002] Fiber softeners including quaternary amine-derived ester compounds quaternized to produce an ester quaternary form and containing a cationic surfactant are the most widely used in the world. However, since the fatty acid used in the production of the fabric softener is expensive, recently, a method of manufacturing a fabric softener from plant oil by replacing expensive fatty acid has been developed in order to reduce the cost.

 As a method for producing a fabric softener using oil, U.S. Patent No. 5,869,716 discloses a method of reacting an oil with a tertiary amine having a hydroxy functional group in the presence of a catalyst such as boron hydride of an alkali metal or boron hydride of an alkaline earth metal, With a quaternizing agent to produce a fabric softener.

Also, U.S. Patent Nos. 6,906,025 and 7,001,879 disclose a method for producing a fabric softener by ester-exchange reaction of an oil and an amine in the form of triglyceride in the presence of sodium borohydride or sodium borohydride and calcium hydroxide.

However, as in the above methods, the method of producing the cationic fiber softener directly from the oil has a problem that the oil content of the untranslated triglyceride is high or the color of the fabric softener is poor.

 On the other hand, a method for lowering the content of untranslated triglyceride and improving hue by using a strong alkali and boron hydride catalyst has been proposed. However, this method also has a problem that the content of unreacted triglyceride is high and the color and flavor are poor have.

Disclosure of the Invention The present invention has been conceived to solve the above-mentioned conventional problems. It is an object of the present invention to provide a bath softener which exhibits a wrinkle and wrinkle preventing effect by using a bath softening agent by reaction with stirring while using sodium sulfate alkyl ether as a main material, And to provide a bath softening agent by the production method.

In order to accomplish the above object, the present invention provides a process for producing a polytetrafluoroethylene copolymer comprising 10-30 wt% sodium alkyl sulfate, 1-5 wt% polyoxyethylene-polyoxypropylene alkyl ether, 0.1-0.5 wt% disodium ethylenediaminetetraacetate, Preparing purified water so that the total amount of sodium is 0.1 to 0.5% by weight, sodium benzoate is 0.1 to 0.5% by weight and the total amount is 100% by weight; A first reaction step in which a sodium sulfate alkyl ether and a polyoxyethylene-polyoxypropylene alkyl ether are dissolved and mixed in a part of the purified water; A second reaction step in which disodium ethylenediaminetetraacetate, tetra sodium ethylenediamine tetraacetate and sodium benzoate are added to the mixture formed in the first reaction step and the remaining purified water is added to dissolve and mix; A filtration step of removing impurities from the mixture formed in the second reaction step; And an aging step of aging the filtered mixture.

In addition, the present invention provides a method for producing a bath softener, wherein the first reaction step and the second reaction step are carried out at a stirring speed of from 15 to 40 DEG C at a speed of from 250 to 750 rpm for from 60 to 180 minutes.

Further, the present invention provides a method for fabricating a bath softener, wherein the filtration is microfiltration in a net or sieve of 150 to 250 Mesh, and the aging is aged for 12 to 36 hours.

In addition, the present invention provides a bath softener which is produced by the above-mentioned production method.

The present invention has the effect of preventing creasing of various fibers such as natural fibers or synthetic fibers and suppressing the formation of wrinkles.

Further, the present invention can be used in a bath, and can be used in the same way as a detergent in the course of washing, thereby improving the workability of the softening agent.

Further, the present invention has an effect of preventing the occurrence of abrasion of the fiber treated with the bath softening agent.

1 is a process diagram of a method for producing a bath softening agent according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts have the same reference numerals as much as possible. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

As used herein, the terms " about, " " substantially, " " etc. ", when used to refer to a manufacturing or material tolerance inherent in the stated sense, Accurate or absolute numbers are used to help prevent unauthorized exploitation by unauthorized intruders of the referenced disclosure.

1 is a process diagram of a method for producing a bath softening agent according to the present invention.

The present invention relates to a bath softener prepared as shown in Fig. 1, comprising a preparation step, a first reaction step, a second reaction step, a filtration step and an aging step.

The preparation step may include preparing 10 to 30 wt% of sodium sulfate alkyl ether, 1 to 5 wt% of polyoxyethylene-polyoxypropylene alkyl ether, 0.1 to 0.5% by weight of disodium ethylenediaminetetraacetate, 0.1 to 0.5% by weight of ethylenediaminetetraacetate tetrasodium, 0.1 to 0.5% by weight of sodium benzoate, and 100% by weight of total amount.

The first reaction step is a step of dissolving and mixing sodium sulfate alkyl ether and polyoxyethylene-polyoxypropylene alkyl ether in a part of purified water.

The sodium sulfate alkyl ether is a main component and functions as a salt solution and an anticorrosive agent.

The sodium sulfate alkyl ether is an anionic resin and acts as an anionic surfactant, and when it is dissolved in water, it is anion which is ionized to exhibit ionizing surface activity.

The sodium sulfate alkyl ether can exhibit activities such as washing, wetting, and emulsifying in an aqueous solution, and is widely used as various detergents.

The polyoxyethylene-polyoxypropylene alkyl ether is dispersed as an auxiliary component and acts as a softening agent, so that creasing and wrinkling of the softener-treated object can be prevented and a soft touch can be formed.

In order to prevent denaturation of each component, the first reaction step is preferably carried out at a stirring speed of from 250 to 750 rpm at a temperature of from 15 to 40 rpm for 60 to 180 minutes, more preferably at a stirring speed of from 400 to 600 rpm With stirring for 100 to 140 minutes.

In the second reaction step, disodium ethylenediaminetetraacetate, tetra sodium ethylenediamine tetraacetate and sodium benzoate are added to the mixture formed in the first reaction step, and the remaining purified water is added to dissolve and mix the mixture.

The disodium ethylenediaminetetraacetate acts as an acidic sequestering agent, and the ethylenediaminetetraacetate tetrasodium acts as an alkaline sequestering agent. In addition, both of them have a main function of blocking iron ions among metal ions.

The metal ion sequestering agent binds to metal ions in an aqueous solution to form a soluble chelate complex. The metal ion sequestering agent is used for chelating metal ions incorporated in water during dyeing in an aqueous solution to separate metals or soften water do.

The metal ion sequestrant can prevent the metal ions incorporated in the bath softening agent from causing spoilage, alteration, discoloration or the like of the bath softener.

The sodium benzoate acts as an antiseptic agent which acts to inhibit the growth of bacteria in the bath softener and to enhance preservability.

The second reaction step is preferably carried out at a stirring rate of 250 to 750 rpm at a temperature of 15 to 40 DEG C for 60 to 180 minutes to prevent denaturation of each component as in the first reaction step, more preferably 20 to 30 DEG C At a stirring speed of 400 to 600 rpm for 80 to 100 minutes.

The filtration step is a step of removing impurities from the mixture formed in the second reaction step and removes solid impurities which may be generated in the first and second reaction steps using a filter of 150 to 250 mesh.

The aging step is a step of aging the filtered mixture. The bath softening agent prepared by aging in a closed space for 12 to 36 hours can be stabilized to enhance the preservability.

The present invention also includes a bath softener prepared by the above method.

The prepared bath softener may be used in the bath during dyeing or post-processing of fibers or fabrics by providing a softener having improved stability, and may be used together with a detergent in the washing process.

Hereinafter, embodiments of the present invention will be described in detail. However, the following examples are illustrative of the present invention, and the present invention is not limited to the following examples.

Example

(1) Purified water (800 kg) was weighed into a dissolve tank at 15 to 25 ° C, followed by sodium sulfate alkyl ether (250 kg) and polyoxyethylene-polyoxypropylene alkyl ether (50 kg) After the addition, the reaction rate is set to 500 RPM, and the reaction time is set to 60 minutes to carry out the first reaction step.

(2) After adding purified water (800 kg), disodium ethylenediaminetetraacetate (5 kg), ethylenediaminetetraacetic acid tetrasodium (5 kg) and sodium benzoate (5 kg) at 15 to 25 ° C, the reaction rate was 500 RPM, The time is set to 60 minutes to carry out the second reaction step.

(3) The second-order reaction mixture was microfiltrated with a 200 mesh screen and aged for 24 hours to prepare a bath softener of the present invention.

The pH value of the bath softener prepared by the above example was 8.60, the sugar value was 8.0, and the appearance (appearance) was a pale yellow transparent liquid.

Further, 10 g of a sample (bath softening agent) was placed in a platinum crucible, and the solid content obtained by heating at 150 캜 for 30 minutes and cooling was 8.0%.

◈ Property evaluation

(1) Spindle evaluation

A solution of the bath softening agent of the present invention in an amount of 3% owf was prepared, the fabric (10 g) made of polyester yarn was immersed in the solution and stirred to treat and dry the bath softener, and the degree of swelling before and after the treatment with the bath softener was evaluated .

The spindle was tested according to KS K 0550: 2011 B method (elongation method).

direction Before processing After processing Oblique direction
Surface and surface 98 166 Back side and back side 162 159 Weft direction
Surface and surface 169 171 Back side and back side 112 107

As shown in Table 1, when the bath softening agent of the present invention was treated, it was found that the degree of skewness of the surface and the surface increased in both the warp and weft directions, and the degree of skewness of the back surface and the back surface decreased.

(2) Flexibility and fit sensory evaluation

The bath softener of the present invention was prepared by preparing a solution of 3% owf, and a t-shirt made of a cotton / PET blend with a weight ratio of 7/3 was immersed in the solution to treat and dry the bath softener, .

1. Evaluation method: The t-shirts before and after the treatment with the bath softener were worn on a fixed panel to the neck, respectively, and after walking for 1 hour, the flexibility and comfortability were evaluated.

2. Fixed panel: 10 people in general

3. Scoring method: Flexibility effect is very good 5 points, good 4 points, average 3 points, worse 2 points Very bad 1 point score and average score. Wear feeling is evaluated as 10 points, before and after walking Are averaged, and are shown in Table 2.

division flexibility
Fit Before Walking After walking Before processing 3.2 8.7 6.8 After processing 4.3. 9.4 9.2

As shown in Table 1, the flexibility evaluation after treatment of the bath softening agent of the present invention was evaluated to be higher than the flexibility evaluation before treatment, and it can be seen that the bath softening agent of the present invention enhances the flexibility of the fiber.

Also, after 1 hour of walking, the t - shirts treated with the bath softener showed a high degree of comfort before and after walking, but the t - shirts before the treatment with the silicone based bath softener showed a large difference in wearing comfort before and after walking, It can be seen that the feeling of comfort is lower after treatment with the bath softener.

By treating the bath softener, the flexibility of the fabric itself is also improved, thereby providing comfort during wearing and maintaining the fit after exercise.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be clear to those who are.

Claims (4)

10 to 30% by weight of sodium sulfate alkyl ether, 1 to 5% by weight of polyoxyethylene-polyoxypropylene alkyl ether, 0.1 to 0.5% by weight of disodium ethylenediaminetetraacetate, 0.1 to 0.5% by weight of tetrasodium ethylenediamine tetraacetate, Preparing 0.1 to 0.5% by weight of purified water and a total amount of 100% by weight;
A first reaction step of adding sodium sulfate alkyl ether and polyoxyethylene-polyoxypropylene alkyl ether to a part of the purified water and dissolving and mixing at 15 to 45 ° C with stirring at a stirring speed of 250 to 750 rpm for 60 to 180 minutes;
Disodium ethylenediaminetetraacetate, tetra sodium ethylenediaminetetraacetate, and sodium benzoate were added to the mixture formed in the first reaction step, the remaining purified water was added, and the mixture was stirred at a temperature of 15 to 45 DEG C at a stirring rate of 250 to 750 rpm for 60 to 180 minutes A second reaction step of dissolving and mixing with stirring;
A filtration step of removing impurities from the mixture formed in the second reaction step;
And aging the filtered mixture in an enclosed space for 12 to 36 hours.
delete delete A bath softening agent produced by the manufacturing method of claim 1.

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