CN113736572B - Structured fabric fragrance-retaining composition and preparation method thereof - Google Patents
Structured fabric fragrance-retaining composition and preparation method thereof Download PDFInfo
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- CN113736572B CN113736572B CN202110945922.XA CN202110945922A CN113736572B CN 113736572 B CN113736572 B CN 113736572B CN 202110945922 A CN202110945922 A CN 202110945922A CN 113736572 B CN113736572 B CN 113736572B
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/662—Carbohydrates or derivatives
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/349—Organic compounds containing sulfur additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
- C11D3/502—Protected perfumes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Cosmetics (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention relates to the field of detergents, and discloses a structured fabric fragrance-retaining composition and a preparation method thereof, wherein the structured fabric fragrance-retaining composition comprises the following raw materials: 0.1-10% of microcapsule essence; 0.5-3% xanthan gum; 0.1-1% cellulose; 0.05-0.5% of an isothiazolinone compound; the balance of water. The invention discovers that the xanthan gum, cellulose and isothiazolinone compound are compounded and combined according to a specific proportion, so that a liquid fragrance-retaining composition product with stable viscosity and good suspension effect can be obtained, stable dispersion of microcapsule essence in a system can be ensured, and meanwhile, the preparation process is simple and is suitable for industrial production.
Description
Technical Field
The invention relates to the field of detergents, in particular to a structured fabric fragrance-retaining composition and a preparation method thereof.
Background
With the development of society and the improvement of living standard of people, people hope that the washed fabric has pleasant fragrance. However, most of the current washing products are added in the form of liquid essence, so that the dissipation of the essence can be caused in the washing, rinsing and drying processes, and the fragrance intensity of fabrics is reduced; in addition, the added fragrance type of the liquid product is single, and the diversified selection of consumers cannot be satisfied.
Aiming at the problem that the fragrance intensity of the liquid essence is reduced in the using process, research and development personnel try to solve the problem by utilizing a fragrance fixing agent, such as patent CN112739804A. However, the method relies on the interaction between the fragrance fixing agent and the essence molecules to maintain, the interaction is weaker, and the problem of essence dissipation still exists. Another idea is to microencapsulate the liquid essence, so as to improve the holding capacity of the essence. The microcapsule essence is prepared into the fabric fragrance-retaining liquid in a liquid form, so that the use convenience of the product can be improved. However, in a liquid environment, the microcapsule essence can be settled to cause the system to be unstable, so how to make the microcapsule essence stable in the system is a problem.
In order to solve the stability problem of the microcapsule essence in the liquid product, the method adopted in the field is to add a structuring aid, and the commonly used structuring aids are hydrogenated castor oil, polyacrylate polymers and the like. Wherein the melting point of the hydrogenated castor oil is generally 80-90 ℃, and the requirements on the emulsification process are high. Polyacrylate polymers are relatively sensitive to the ionic strength and pH of the system, and the viscosity of the system changes due to structural degradation during high-temperature storage, ultimately affecting stability. Therefore, there is a certain market need to develop a structured fabric fragrance-retaining liquid with simple process, stable viscosity and stable suspending capability.
Disclosure of Invention
In order to solve the technical problems, the invention provides a structured fabric fragrance-retaining composition and a preparation method thereof. According to the invention, the xanthan gum, the cellulose and the isothiazolinone compound are compounded and combined according to a specific proportion, so that a liquid fragrance-retaining composition product with stable viscosity and good suspension effect can be obtained, stable dispersion of microcapsule essence in a system can be ensured, and meanwhile, the preparation process is simple and is suitable for industrial production.
The specific technical scheme of the invention is as follows:
in a first aspect, the invention provides a structured fabric fragrance-retaining composition comprising the following raw materials in mass percent:
0.1-10% of microcapsule essence;
0.5-3% xanthan gum;
0.1-1% cellulose;
0.05-0.5% of an isothiazolinone compound;
the balance of water.
The isothiazolinone compounds have the structure of formula I:
formula I:
wherein R is 1 And R is 2 Independently and separatelyHydrogen, halogen or aryl;
R 3 is hydrogen or C1-C18 alkyl.
The present inventors have found that existing structured polymers suffer from their own deficiencies in liquid fabric fragrance retention systems. For example: the hydrogenated castor oil has a complex process, and the polyacrylate polymer can be subjected to chain degradation in a high-temperature environment, so that the viscosity of the system is obviously reduced, and the stability of the system is influenced. It is known that the acetylated group of the molecular side chain of xanthan gum and pyruvic acid are entangled on the main chain through hydrogen bond action to form a rod-shaped spiral structure, and on the basis, a spiral complex is formed through the action of non-covalent bonds, so that a suspension effect is realized, and the main chain of the molecule can be protected from acid, alkali and enzyme.
However, the inventors found during the course of the study that the system was still unstable with xanthan gum alone, and that the essence floated on the liquid surface or flocculated during storage at a high temperature of 52 ℃. The inventor further researches and discovers that the liquid fabric fragrance-retaining composition with stable viscosity and greatly improved suspension capability of the microcapsule essence can be obtained by compounding and combining xanthan gum and cellulose according to a certain proportion. The reason for this is probably that the cellulose contains a large number of hydroxyl groups in the molecular structure, and can interact with the xanthan gum through hydrogen bond action to form a complex structure with the xanthan gum, so as to form a blending interpenetrating network structure, thereby enhancing the suspension capability of the system. Surprisingly, the inventors have found by chance that the suspension stability of the system can be further significantly improved by continuing to add a specific amount of isothiazolinone compound to the above-described system, while the viscosity of the system remains stable in a high temperature environment. Therefore, not all of the three substances in any ratio can achieve such excellent effects, but only xanthan gum, cellulose and isothiazolinone compound in a specific ratio can be compounded and combined.
Preferably, the pH of the structured fabric fragrance-retaining composition is from 5 to 9, more preferably from 5.5 to 7.5.
Preferably, the viscosity of the structured fabric fragrance-retaining composition is from 100 to 5000 mPa-s, more preferably from 200 to 2000 mPa-s.
Preferably, the yield stress value of the structured fabric fragrance-retaining composition is not lower than 0.5Pa at 25 ℃, and the system can have better stable suspension effect.
Preferably, the cellulose is one or more of carboxymethyl cellulose, cation modified cellulose and hydroxyethyl cellulose, and more preferably cation modified cellulose.
The cation modified cellulose also has the deposition-assisting effect, and can improve the deposition efficiency of the microcapsule essence.
Preferably, the viscosity of the 1% pure water solution of xanthan gum is not more than 1000mpa·s, and the viscosity of the 1% pure water solution of cellulose is not more than 500mpa·s.
Too high a viscosity of the xanthan gum and cellulose can result in too high a viscosity of the fabric fragrance-retaining composition, and deviation in overall fluidity, which affects ease of use.
Preferably, the isothiazolinone compound is one or more of 5-chloro-2-methyl-4-isothiazolinone-3-one, 1, 2-benzisothiazolin-3-one, 2-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolinone-3-one and 4, 5-dichloro-2-methyl-4-isothiazolinone-3-one.
Preferably, the structured fabric fragrance-retaining composition further comprises 0.1-5% of a liquid fragrance.
Preferably, the structured fabric fragrance-retaining composition further comprises 1-10% of a nonionic surfactant which is capable of solubilising liquid fragrances and has good compatibility with xanthan gum and cellulose.
Preferably, the nonionic surfactant is one or more of hydrogenated castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkyl glycoside, polyoxyethylene polyoxypropylene block polyether and polyoxyethylene sorbitan.
The inventors found in experiments that not all surfactants can be stably compounded with xanthan gum. For example, when sodium alkyl sulfate or sodium alkyl benzene sulfonate is contained in the system, xanthan gum is precipitated during stability examination of the system, and delamination of the system occurs (see the results of the detailed implementation section).
In a second aspect, the present invention provides a method of preparing a structured fabric fragrance-retaining composition comprising the steps of:
(1) Dissolving xanthan gum and cellulose with water at 35-55deg.C, adding nonionic surfactant, and stirring;
(2) Cooling to room temperature, adding isothiazolinone compound and liquid essence, and regulating pH;
(3) Adding microcapsule essence, and stirring.
Compared with the prior art, the invention has the following technical effects: the invention discovers that the xanthan gum, cellulose and isothiazolinone compound are compounded and combined according to a specific proportion, so that a liquid fragrance-retaining composition product with stable viscosity and good suspension effect can be obtained, stable dispersion of microcapsule essence in a system can be ensured, and meanwhile, the preparation process is simple and is suitable for industrial production.
Detailed Description
The invention is further described below with reference to examples.
General examples
A structured fabric fragrance-retaining composition comprising the following raw materials in mass percent:
0.1-10% of microcapsule essence;
0.5-3% xanthan gum (viscosity of 1% pure water solution not more than 1000 mPa.s);
0.1-1% cellulose (selected from one or more of carboxymethyl cellulose, cationically modified cellulose and hydroxyethyl cellulose, most preferably cationically modified fiber, the viscosity of a 1% pure water solution of cellulose not exceeding 500mpa·s);
0.05-0.5% of an isothiazolinone compound; the balance of water.
The isothiazolinone compounds have the structure of formula I:
formula I:
wherein R is 1 And R is 2 Independently hydrogen, halogen or aryl; r is R 3 Is hydrogen or C1-C18 alkyl. The isothiazolinone compound may preferably be one or more of 5-chloro-2-methyl-4-isothiazolinone-3-one, 1, 2-phenylpropanimidazin-3-one, 2-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolinone-3-one and 4, 5-dichloro-2-methyl-4-isothiazolinone-3-one.
The pH of the structured fabric fragrance-retaining composition is from 5 to 9, more preferably from 5.5 to 7.5. The viscosity of the structured fabric fragrance-retaining composition is from 100 to 5000 mPas, more preferably from 200 to 2000 mPas. The yield stress value of the structured fabric fragrance-retaining composition is not less than 0.5Pa at 25 ℃.
Optionally, the structured fabric fragrance-retaining composition further comprises 0.1-5% liquid perfume and/or 1-10% nonionic surfactant. The nonionic surfactant is one or more of hydrogenated castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkyl glycoside, polyoxyethylene polyoxypropylene block polyether and polyoxyethylene sorbitan.
A method of preparing a structured fabric fragrance-retaining composition comprising the steps of:
(1) Dissolving xanthan gum and cellulose with water at 35-55deg.C, adding nonionic surfactant, and stirring;
(2) Cooling to room temperature, adding isothiazolinone compound and liquid essence, and regulating pH;
(3) Adding microcapsule essence, and stirring.
Detailed description and test experiments
The present invention will be described with reference to the following specific examples, but the present invention is not limited thereto. The experimental methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials, unless otherwise specified, are commercially available. Some insubstantial modifications and adaptations of the invention by those skilled in the art in light of the instant disclosure remain within the scope of the invention.
The stability investigation method comprises the following steps: the fabric fragrance-retaining composition is placed in a constant temperature incubator at 52 ℃, the state of the system is observed after 30 days, and if layering or flocculation occurs, the system stability is poor.
The viscosities of the raw materials and the fabric fragrance-retaining composition were measured by a rotational viscometer at 25 ℃.
The yield stress of the fabric fragrance-retaining composition was measured at 25 ℃ using a rheometer under the following conditions: 50mm lamina, angle 1 degree, measurement spacing 98 μm, and incubation for two minutes.
The viscosity of the 1% pure water solution of xanthan gum used was 813 mPas, the viscosity of the 1% pure water solution of hydroxyethyl cellulose was 431 mPas, and the viscosity of the 1% pure water solution of cationically modified cellulose was 25 mPas.
Fabric fragrance-retaining compositions were prepared according to the mass percentages of table 1.
Table 1 structured fabric fragrance-retaining composition formulation table
Stability data
Experimental results show that the system has good stability only when the system contains specific contents of xanthan gum, cellulose and isothiazolinone, and the viscosity of the system is basically unchanged. When the addition amount of xanthan gum in the system is low (comparative example 1), cellulose is absent (comparative example 2), isothiazolinone is absent (comparative example 3), the content of the isothiazolinone is low (comparative example 4), and the stability of the system cannot be kept for a long time only by adding inorganic salt (comparative example 5), the yield stress value of the comparative example 1 is low, the suspension capability of the system is poor, the good stability of the system is difficult to keep in a high-temperature environment in comparative examples 2-5, the yield stress value of the system is reduced to different degrees, and flocculation finally occurs.
Table 2 structured fabric fragrance-retaining composition formulation table
Stability study data
From the table, it can be seen that the nonionic surfactant and the liquid essence are added into the system meeting the stable condition, the system can maintain good stability in a high-temperature environment, and the viscosity and the yield stress of the system are not obviously changed. In contrast, in comparative example 6, sodium dodecyl benzene sulfonate, which is an anionic surfactant, has poor compatibility with xanthan gum, so that the xanthan gum is precipitated in the system, the viscosity and yield stress of the system are greatly reduced, and delamination is finally caused.
In conclusion, the fabric fragrance-retaining composition provided by the invention can stably suspend microcapsule essence, can keep the viscosity of the system stable in a wider pH range, is simple in preparation process, and can realize mass production.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. The application of the isothiazolinone compound in improving the suspension stability of microcapsule essence in a fabric fragrance retention agent is characterized in that: the fabric fragrance retention agent comprises the following raw materials in percentage by mass:
0.1-10% of microcapsule essence;
0.5-3% xanthan gum;
0.1-1% cellulose;
0.05-0.5% of an isothiazolinone compound;
the balance of water;
the viscosity of the 1% pure water solution of the xanthan gum is not more than 1000 mPa.s, and the viscosity of the 1% pure water solution of the cellulose is not more than 500 mPa.s;
the viscosity of the fabric fragrance retention agent is 100-5000 mPa.s; the yield stress value of the fabric fragrance retention agent is not lower than 0.5 and Pa at 25 ℃;
the isothiazolinone compound is one or more of 5-chloro-2-methyl-4-isothiazolinone-3-one, 1, 2-phenylpropanoid isothiazolin-3-one, 2-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolinone-3-one and 4, 5-dichloro-2-methyl-4-isothiazolinone-3-one.
2. The use according to claim 1, wherein: the pH of the fabric fragrance retention agent is 5-9.
3. The use according to claim 1, wherein: the cellulose is one or more of carboxymethyl cellulose, cation modified cellulose and hydroxyethyl cellulose.
4. The use according to claim 1, wherein: also comprises 0.1-5% of liquid essence.
5. The use according to claim 4, wherein: and further comprises 1-10% of nonionic surfactant.
6. The use according to claim 5, wherein: the nonionic surfactant is one or more of hydrogenated castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkyl glycoside, polyoxyethylene polyoxypropylene block polyether and polyoxyethylene sorbitan.
7. The use according to claim 5 or 6, wherein: the preparation method of the fabric fragrance retention agent comprises the following steps:
(1) Dissolving xanthan gum and cellulose with water at 35-55deg.C, adding nonionic surfactant, and stirring;
(2) Cooling to room temperature, adding isothiazolinone compound and liquid essence, and regulating pH;
(3) Adding microcapsule essence, and stirring.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1113043A2 (en) * | 1999-12-21 | 2001-07-04 | Rohm And Haas Company | Polymer stabilization |
| WO2011124243A2 (en) * | 2010-03-29 | 2011-10-13 | Beiersdorf Ag | Microbiologically stable, easily applicable preparation comprising thickening agents |
| CN106818734A (en) * | 2017-01-09 | 2017-06-13 | 深圳诺普信农化股份有限公司 | Microcapsule formulation and its preparation, micro-capsule suspension |
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| CN112293414B (en) * | 2020-09-28 | 2022-03-04 | 广州立白企业集团有限公司 | Composition for sterilizing and removing peculiar smell and preparation method thereof |
| CN112391834B (en) * | 2020-09-28 | 2022-11-01 | 广州立白企业集团有限公司 | Composition for removing bacteria, removing peculiar smell and keeping fragrance for long time and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1113043A2 (en) * | 1999-12-21 | 2001-07-04 | Rohm And Haas Company | Polymer stabilization |
| WO2011124243A2 (en) * | 2010-03-29 | 2011-10-13 | Beiersdorf Ag | Microbiologically stable, easily applicable preparation comprising thickening agents |
| CN106818734A (en) * | 2017-01-09 | 2017-06-13 | 深圳诺普信农化股份有限公司 | Microcapsule formulation and its preparation, micro-capsule suspension |
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