CN114159321A

CN114159321A - Dechlorination composition and preparation method thereof

Info

Publication number: CN114159321A
Application number: CN202110649367.6A
Authority: CN
Inventors: 张毅; 梁豪杰; 陈德洋; 陈谊航
Original assignee: Guangdong Gadetin Daily Necessities Co ltd
Current assignee: Guangdong Gadetin Daily Necessities Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-03-11

Abstract

The invention provides a dechlorination composition which comprises thiosulfate and an auxiliary agent, wherein the auxiliary agent comprises D-panthenol and/or vitamin ester. The chlorine removal composition also comprises a solubilizer and a thickening agent. According to the invention, through compounding of multiple components, the solubility of vitamin E acetate is improved, and the exertion effect of skin on other components in a product containing the dechlorination composition can be improved, so that the overall performance and effect of the product are improved. The dechlorination composition provided by the invention can be widely applied to daily chemical products such as shower gel, shampoo, laundry detergent and the like, and has a good dechlorination effect. The dechlorination composition has simple preparation method and low cost, and is beneficial to reducing the production cost and the industrialization of products.

Description

Dechlorination composition and preparation method thereof

Technical Field

The invention belongs to the field of daily chemical articles, and particularly relates to a dechlorination composition and a preparation method thereof.

Background

At present, 80% of water works in China still use the traditional treatment process, and disinfection and bleaching are carried out by using chlorine. Chlorine is an effective sterilization and disinfection mode, free chlorine and combined chlorine are contained in domestic water and swimming pool water to different degrees, the free chlorine and the combined chlorine are collectively called residual chlorine, certain damage can be caused to the individual life of people, and the chlorine removal effect of the existing washing and protecting products is not obvious. The natural vitamin E is easy to be oxidized and inactivated, and the vitamin ester is a kind of esterified derivatives synthesized by the condensation reaction of the alcohol (phenol) hydroxyl of the vitamin and carboxylic acid compounds. After the vitamin is esterified, the stability of the vitamin is obviously improved under a plurality of solvent systems, and the vitamin has the functions and the activities of the original and newly added functional groups. The vitamin E ester is chemically stable and is not easy to be oxidized because the phenolic hydroxyl group is protected.

Disclosure of Invention

In order to solve the above problems, the present invention provides a chlorine removal composition comprising a thiosulfate salt and an auxiliary.

Preferably, the thiosulfate is selected from one or more of sodium thiosulfate and potassium thiosulfate.

Preferably, the adjuvant comprises D-panthenol and/or vitamin esters.

Preferably, the adjuvants include D-panthenol and vitamin esters.

Preferably, the vitamin ester is selected from one or more of vitamin E acetate, vitamin E succinic acid monoester, vitamin E linoleate, vitamin E nicotinate and vitamin E ferulate.

Preferably, the thiosulfate salt: d-panthenol: the weight ratio of the vitamin ester is (0.1-0.5): (1-2): (0-0.4).

Preferably, the chlorine removal composition further comprises a solubilizer.

Preferably, the chlorine removal composition further comprises a thickening agent.

The invention also provides a preparation method of the dechlorination composition, which comprises the following steps: heating D-panthenol and vitamin E acetate under stirring, cooling, and adding thiosulfate to obtain the dechlorination composition.

The invention also provides application of the dechlorination composition in shower gel, shampoo and laundry detergent.

Compared with the prior art, the invention has the advantages and beneficial effects that:

(1) the invention provides a dechlorination composition which comprises thiosulfate and an auxiliary agent, wherein the auxiliary agent comprises D-panthenol and/or vitamin ester. The dechlorination composition provided by the invention can be widely applied to daily chemical products such as shower gel, shampoo, laundry detergent and the like, and has a good dechlorination effect. The dechlorination composition has simple preparation method and low cost, and is beneficial to reducing the production cost and the industrialization of products.

(2) The vitamin E acetate has excellent characteristics of oxidation resistance, aging resistance and the like, but the solubility of the vitamin E acetate is poor, so that the skin care effect of the vitamin E acetate cannot be fully exerted; according to the invention, through compounding of different components, on one hand, the solubility of the vitamin E acetate in the dechlorination composition is improved, on the other hand, the product containing the dechlorination composition is promoted to exert a synergistic effect on skin, and the improvement of the overall performance and effect of the product is facilitated.

Detailed Description

The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. To the extent that a definition of a particular term disclosed in the prior art is inconsistent with any definitions provided herein, the definition of the term provided herein controls.

The invention provides a dechlorination composition which comprises thiosulfate and an auxiliary agent.

In a preferred embodiment, the thiosulfate salt is selected from one or more of sodium thiosulfate and potassium thiosulfate.

In a preferred embodiment, the adjuvant comprises D-panthenol and/or vitamin esters.

In a preferred embodiment, the adjuvant comprises D-panthenol and vitamin esters.

The vitamin ester is an esterified derivative synthesized by condensation reaction of alcohol (phenol) hydroxyl of vitamin and carboxylic acid compounds. After the vitamin is esterified, the stability of the vitamin is obviously improved under a plurality of solvent systems, and the vitamin has the functions and the activities of the original and newly added functional groups. Reducing the oxidation of thiosulfates.

In a preferred embodiment, the vitamin ester is selected from one or more of vitamin E acetate, vitamin E succinate monoester, vitamin E linoleate, vitamin E nicotinate, vitamin E ferulate.

In a preferred embodiment, the thiosulfate salt: d-panthenol: the weight ratio of the vitamin ester is (0.1-0.5): (1-2): (0-0.4).

In a preferred embodiment, the thiosulfate salt: d-panthenol: the weight ratio of the vitamin ester is 0.2: 1.5: 0.2.

the inventor adds a certain amount of D-panthenol and vitamin E acetate, and improves the stability of the system composition. Through repeated exploration of the inventor, the proportion of sodium thiosulfate, D-panthenol and vitamin E acetate with the best system stability is finally obtained. The inventors speculate that D-panthenol and vitamin E acetate can encapsulate sodium thiosulfate, preventing it from being oxidized.

In a preferred embodiment, the chlorine removal composition further comprises a solubilizer.

In a preferred embodiment, the solubilizing agent is hydrogenated castor oil PEG-40.

In a preferred embodiment, the weight ratio of the hydrogenated castor oil PEG-40 to the vitamin E acetate is 1-3: 1.

in a preferred embodiment, the solubilizing agent is basf CO-40.

In a preferred embodiment, the chlorine removal composition further comprises a thickener.

In a preferred embodiment, the thickener accounts for 2-3% of the chlorine removal composition by mass.

In a preferred embodiment, the thickener is SF-1.

The invention improves the dechlorination effect of the dechlorination composition by adding the solubilizer into the system of the dechlorination composition. The inventors speculate that: the solubilizer improves the solubility of the vitamin E acetate in the system, but the inventor finds that the viscosity of the system is reduced after the solubilizer and the vitamin E acetate are added, and the viscosity of the system is improved by adding the thickening agent, and the inventor finds that the chlorine removal effect is best when the thickening agent accounts for 2-3% of the chlorine removal composition by mass. The inventors speculate that at this viscosity, the remaining components of the system are more favorable for exerting the chlorine removal effect.

The invention also provides a preparation method of the dechlorination composition, which comprises the following steps: stirring the vitamin E acetate and the solubilizer, adding the D-panthenol, heating under stirring, cooling, and adding the thiosulfate and the thickener to obtain the dechlorination composition.

Example 1

This example provides a chlorine scavenging composition comprising sodium thiosulfate (gallop comet chemical Co., Ltd., Guangzhou), D-panthenol (Gardenia chemical Co., Ltd., Guangzhou), vitamin E acetate, basf CO-40, SF-1. The thiosulfate is: d-panthenol: the weight ratio of the vitamin E acetate is 0.2: 1: 0.2. the weight ratio of the vitamin E acetate to the Pasteur CO-40 is 1: 1. the mass fraction of SF-1 in the dechlorination composition is 2.5%.

The preparation method of the dechlorination composition comprises the following steps: stirring vitamin E acetate and solubilizer, adding D-panthenol, stirring, heating to 75 deg.C, cooling to 35 deg.C, adding thiosulfate and thickener to obtain dechlorination composition.

Example 2

This example provides a chlorine scavenging composition comprising sodium thiosulfate (gallop comet chemical Co., Ltd., Guangzhou), D-panthenol (Gardenia chemical Co., Ltd., Guangzhou), vitamin E acetate, basf CO-40, SF-1. The thiosulfate is: d-panthenol: the weight ratio of the vitamin E acetate is 0.2: 1.5: 0.2. the weight ratio of the vitamin E acetate to the Pasteur CO-40 is 1: 1. the mass fraction of SF-1 in the dechlorination composition is 2.5%.

Example 3

The embodiment provides dechlorination and antiallergic shower gel which comprises 1.5 parts of dechlorination composition prepared in the embodiment 2, 0.5 part of betaine and 4 parts of propylene glycol in parts by weight; 2 parts of glycerol, 2 parts of sodium isostearoyl lactylate, 12 parts of sodium laureth sulfate, 5 parts of cocamidopropyl betaine, 2 parts of coconut oil fatty acid diethylamide, 10 parts of aloe barbadensis leaf juice, 0.3 part of a radix sophorae flavescentis extract, 61.3 parts of deionized water, 0.0 part of triethanolamine for adjusting the pH value, 3570mPa & s of sodium chloride for adjusting the viscosity, and 0.5 part of a preservative.

The preparation method of the dechlorination antiallergic shower gel comprises the following steps:

a. the formula amounts of deionized water, sodium laureth sulfate, coconut oil fatty acid diethylamide, cocamidopropyl betaine, the dechlorination composition prepared in example 2, and polyol were mixed well and heated to 75 ℃ with stirring.

b. Cooling to 35 deg.C, adding Aloe barbadensis leaf juice, radix Sophorae Flavescentis extract, betaine, sodium isostearoyl lactylate, and antiseptic, mixing, and cooling to room temperature.

c. And continuously adding a pH regulator to regulate the pH of the system to 8.00, adding a viscosity regulator to regulate the viscosity of the system to 3570mpa · s, and uniformly stirring to obtain the dechlorination and antiallergic shower gel.

Example 4

The embodiment provides a laundry detergent, which comprises the following components in parts by weight: 20 parts of sodium laureth sulfate (lake Nanlix, SLES), 1.5 parts of the dechlorination composition prepared in example 2, and 8 parts of C12-14 sodium olefin sulfonate (Xinan, AOS 35); 0.2 part of sodium hydroxide; citric acid 0.5 parts (commercially available); triethanolamine 0.2 parts (commercially available); 1 part of cocoyl methyl monoethanolamine (Guangzhou star science and technology, HM 800); 1 part of acrylate copolymer (Fushan Keyu, SF-1); 0.3 part of triclocarban (Zhejiang Xiangshen, TCC); 0.1 part of parachlorometaxylenol (PCMX, Xiangshen Zhejiang); 0.3 part of 1, 2-octanediol (commercially available); 0.5 part of dipropylene glycol (commercially available); 0.5 part of phenoxyethanol (commercially available); 1 part of sodium chloride; 0.1 part of cason (commercially available); 0.3 part of essence (sold on the market); 62.5 parts of water.

The preparation method comprises the following steps: mixing trichlorocarban, parachlorometaxylenol powder, 1, 2-octanediol and dipropylene glycol, heating and mixing uniformly for later use; sequentially adding deionized water, C12-14 olefin sodium sulfonate and sodium hydroxide, and stirring to dissolve uniformly; then adding the dechlorination composition prepared in the example 2 and sodium laureth sulfate, and stirring until the dechlorination composition is completely dissolved; sequentially adding cocoyl methyl monoethanolamide, acrylate copolymer, triethanolamine, pretreated components, phenoxyethanol and essence, stirring, adjusting pH to 7 with citric acid, adding Kathon, adding sodium chloride flavoring agent, stirring, and discharging.

Comparative example 1

The comparative example differs from example 2:

this comparative example provides a chlorine scavenging composition comprising sodium thiosulfate (gallop comedy chemical Co., Ltd., Guangzhou), D-panthenol (Gardenia chemical Co., Ltd., Guangzhou), vitamin E acetate, Pasteur CO-40, SF-1.

The thiosulfate is: d-panthenol: the weight ratio of the vitamin E acetate is 0.2: 0.1: 1. the weight ratio of the vitamin E acetate to the Pasteur CO-40 is 1: 1. the mass fraction of SF-1 in the dechlorination composition is 2.5%.

Comparative example 2

The comparative example differs from example 2:

this comparative example provides a chlorine scavenging composition comprising sodium thiosulfate (gallop comedy chemical Co., Ltd., Guangzhou), D-panthenol (Gardenia chemical Co., Ltd., Guangzhou), vitamin E acetate, Pasteur CO-40, SF-1. The thiosulfate is: d-panthenol: the weight ratio of the vitamin E acetate is 0.2: 1.5: 0.2. the weight ratio of the vitamin E acetate to the Pasteur CO-40 is 1: 1. the mass fraction of SF-1 in the dechlorination composition is 5 percent.

Comparative example 3

The comparative example differs from example 2:

this comparative example provides a chlorine scavenging composition comprising sodium thiosulfate (gallop comedy chemical, Inc., Guangzhou), D-panthenol (Gardener chemical, Inc., Guangzhou), and modified vitamin E acetate. The thiosulfate is: d-panthenol: the weight ratio of the vitamin E acetate is 0.2: 1.5: 0.2.

the preparation method of the modified vitamin E acetate comprises the following steps: dissolving egg yolk lecithin (national medicine group chemical reagent Co., Ltd.) and vitamin E acetate (Oslo chemical Co., Ltd., Guangzhou) in ethanol, pouring the dissolved egg yolk lecithin and vitamin E acetate solution into a rotary evaporation bottle, and evaporating off ethanol on a rotary evaporator. Adding span 60 (Haian petrochemical), tween 80 (Haian petrochemical) and ethanol, ultrasonic emulsifying to obtain small-particle-size productLiposomes. m (egg yolk lecithin), m (vitamin E acetate), m (tween 80): and m (span 60) is 5:3:1:1, and the ultrasonic emulsification time is 3min, so that a mixture is obtained. Weighing Sephadex G-50 (Sephadex), diluting with phosphate buffer solution (p H is 7) for 10 times, swelling Sephadex G-50, loading the Sephadex G-50 after swelling for 15 hr into chromatographic column to obtain Sephadex G-50 gel column, pouring the mixture into Sephadex G-50 gel column, eluting with phosphate buffer solution, and controlling flow rate to be 1 mL/min^-1To obtain the modified vitamin E acetate.

Comparative example 4

The comparative example provides dechlorination antiallergic shower gel which comprises 0.5 part of betaine and 4 parts of propylene glycol in parts by weight; 2 parts of glycerol, 2 parts of sodium isostearoyl lactylate, 12 parts of sodium laureth sulfate, 5 parts of cocamidopropyl betaine, 2 parts of coconut oil fatty acid diethylamide, 10 parts of aloe barbadensis leaf juice, 0.3 part of a radix sophorae flavescentis extract, 61.3 parts of deionized water, 0.0 part of triethanolamine for adjusting the pH value, 3570mPa & s of sodium chloride for adjusting the viscosity, and 0.5 part of a preservative.

a. uniformly mixing deionized water, sodium laureth sulfate, coconut oil fatty acid diethylamide, cocamidopropyl betaine and polyhydric alcohol according to the formula ratio, and heating to 75 ℃ under stirring.

Comparative example 5

The comparative example provides a laundry detergent which comprises the following components in percentage by weight: sodium laureth sulfate 20% (SLES, nannacne), dodecylbenzene sulfonic acid 8% (LSA, south beijing one factory); 0.2 percent of sodium hydroxide; citric acid 0.5% (commercially available); triethanolamine 0.2% (commercially available); cocoyl methyl monoethanolamine 1% (guangzhou star science and technology, HM 800); acrylate copolymer 1% (Ficus, SF-1); triclocarban 0.3% (Zhejiang Xiangshen, TCC); 0.1% of parachlorometaxylenol (Zhejiang Xiangshen, PCMX); 0.3% of 1, 2-octanediol (commercially available); 0.5% dipropylene glycol (commercially available); phenoxyethanol 0.5% (commercially available); 1% of sodium chloride; cason 0.1% (commercially available); 0.3% of perfume (commercially available); 1.5% of the dechlorination composition prepared in comparative example 3, and the balance of water.

The preparation method comprises the following steps: mixing trichlorocarban, parachlorometaxylenol powder, 1,21, 2-octanediol and dipropylene glycol, heating and mixing uniformly for later use; sequentially adding deionized water, dodecylbenzene sulfonic acid and sodium hydroxide, and uniformly stirring and dissolving; then adding 1.5 percent of the dechlorination composition prepared in the comparative example 3 and sodium lauryl polyether sulfate, and stirring until the dechlorination composition is completely dissolved; sequentially adding cocoyl methyl monoethanolamide, acrylate copolymer, triethanolamine, pretreated components, phenoxyethanol and essence, stirring, and adjusting pH with citric acid: 6-8, adding the kasong, adding the sodium chloride seasoning body, stirring completely and uniformly, and discharging.

Performance testing

1. Stability test

The products obtained in examples and comparative examples were allowed to stand at 48 ℃, -18 ℃, 5 ℃ and room temperature for 30 days for 4 weeks, and observed every week for the presence of off-flavor and precipitation, and the results are shown in Table 1.

Table 1 stability test results

2. Test of dechlorination Effect

A small amount of chlorine water was added to the deionized water to give a total residual chlorine concentration of about 0.5 mg/L. The products prepared in the examples and the comparative examples are respectively added into self-made chlorine water according to the concentration of 1mL/L, stirred for 5min, and after the products and the chlorine water are fully reacted, the dechlorination effect is tested by adopting an N, N-diethyl-p-phenylenediamine (DPD) spectrophotometry in standard GB/T5750.11-2006 disinfectant index of Standard test method for Drinking Water, and the results are shown in Table 2.

TABLE 2 dechlorination Effect test results

Item	Example 3	Example 4	Comparative example 4	Comparative example 5
					Residual chlorine clearance/%)	78.20	80.80	44.73	56

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A chlorine-removing composition characterized by: comprises thiosulfate and an auxiliary agent.

2. The chlorine-removing composition of claim 1, wherein: the thiosulfate is selected from one or more of sodium thiosulfate and potassium thiosulfate.

3. The chlorine-removing composition of claim 2, wherein: the auxiliary agent comprises D-panthenol and/or vitamin ester.

4. The chlorine-removing composition of claim 3, wherein: the auxiliary agent comprises D-panthenol and vitamin ester.

5. The chlorine-removing composition of claim 3, wherein: the vitamin ester is one or more selected from vitamin E acetate, vitamin E succinic acid monoester, vitamin E linoleate, vitamin E nicotinate, and vitamin E ferulate.

6. The chlorine-removing composition of claim 4, wherein: the thiosulfate is: d-panthenol: the weight ratio of the vitamin ester is (0.1-0.5): (1-2): (0-0.4).

7. The chlorine-removing composition as claimed in any one of claims 1 to 6, wherein: the chlorine removal composition also comprises a solubilizer.

8. The chlorine-removing composition of claim 7, wherein: the chlorine removal composition also comprises a thickening agent.

9. A method of preparing the chlorine-removing composition of claim 8, wherein: the method comprises the following steps: stirring the vitamin E acetate and the solubilizer, adding the D-panthenol, heating under stirring, cooling, and adding the thiosulfate and the thickener to obtain the dechlorination composition.

10. Use of a chlorine-removing composition as claimed in claim 9, characterized in that: the dechlorination composition is applied to shower gel, shampoo and laundry detergent.