阅读说明：本技术 一种微胶囊香精洗衣液及其制备方法 (microcapsule essence laundry detergent and preparation method thereof ) 是由 骆雪琦 于 2019-10-18 设计创作，主要内容包括：本发明涉及一种微胶囊香精洗衣液及其制备方法,本发明所述的洗衣液包括表面活性剂体系和微胶囊香精,还包括阳离子型聚丙烯酰胺,所述阳离子型聚丙烯酰胺用量为0.1-10％；微胶囊香精用量为0.01-5％；所述表面活性剂体系由阴离子表面活性剂和非离子表面活性剂组成；所述非离子表面活性剂包括丙烯酸酯非离子表面活性剂。本发明洗衣液采用阳离子聚丙烯酰胺稳定分散非水溶性微胶囊香精,选用阳离子度偏低的阳离子聚丙烯酰胺与阴、非离子表面活性剂配伍,减小与阴离子表活的静电斥力,同时采用丙烯酸酯非离子表面活性剂增溶阴阳离子缔合物,进而实现配方体系各类原料的稳定配伍。(The invention relates to microcapsule essence laundry detergent and a preparation method thereof, wherein the laundry detergent comprises a surfactant system, microcapsule essence and cationic polyacrylamide, the dosage of the cationic polyacrylamide is 0.1-10%, the dosage of the microcapsule essence is 0.01-5%, the surfactant system comprises an anionic surfactant and a nonionic surfactant, and the nonionic surfactant comprises acrylate nonionic surfactant.)

1, kinds of microcapsule essence laundry detergent, which comprises a surfactant system and microcapsule essence, and is characterized by also comprising cationic polyacrylamide, wherein the dosage of the cationic polyacrylamide is 0.1-10%, and the dosage of the microcapsule essence is 0.01-5%;

the surfactant system consists of an anionic surfactant and a nonionic surfactant;

the non-ionic surfactant comprises acrylate non-ionic surfactant, and the dosage of the acrylate non-ionic surfactant is 0.1% -5%.

2. The kinds of microcapsule essence laundry detergent as claimed in claim 1, wherein the molecular weight range of the cationic polyacrylamide is 5000-1000000, the intrinsic viscosity range is 4-300mL/G, and the cationic degree is 3-20%.

3. The microcapsule essence laundry detergent as claimed in claim 1, wherein the surfactant system is 5-90%, the anionic surfactant is 4-50%, and the nonionic surfactant is 1-50%.

4. The kinds of microcapsule essence laundry detergent as claimed in claim 3, wherein the dosage of the cationic polyacrylamide is 2-5%, and the dosage of the microcapsule essence is 0.1-2%;

the dosage of the surfactant system is 15% -60%, the dosage of the anionic surfactant is 5-40%, and the dosage of the nonionic surfactant is 5-40%.

5. The microcapsule essence laundry detergent as claimed in claim 4, wherein the surfactant system is 15-30%, the anionic surfactant is 5-25%, and the nonionic surfactant is 5-25%.

6. The kinds of microcapsule essence laundry detergent as claimed in claim 1, wherein the nonionic surfactant further comprises or more of linear fatty alcohol polyoxyethylene ether, coconut oil fatty acid diethanolamide, branched fatty alcohol polyoxyethylene ether and fatty acid methyl ester polyoxyethylene ether, wherein the carbon chain length of the linear fatty alcohol polyoxyethylene ether is 12-16, and the addition degree of ethylene oxide is 7-9;

the anionic surfactant comprises or more of alkylbenzene sulfonate, fatty alcohol ether polyoxyethylene ether sulfate, olefin sulfonate and fatty acid methyl ester sulfonate, wherein the alkylbenzene sulfonate, the fatty alcohol ether polyoxyethylene ether sulfate, the olefin sulfonate and the fatty acid methyl ester sulfonate are formed by neutralizing corresponding acids with an alkaline neutralizer, and the alkaline neutralizer comprises or more of sodium hydroxide, monoethanolamine, diethanolamine, triethanolamine and potassium hydroxide.

7. The kinds of microcapsule essence laundry detergent as claimed in claim 1, further comprising solvent selected from kinds of deionized water, propylene glycol, and ethanol, and kinds of chelating agent, biological enzyme, anti-redeposition agent, foam control agent, colorant, perfume essence, and preservative.

8. The kinds of microcapsule essence laundry detergent as claimed in claim 1, wherein the microcapsule essence is water insoluble, and the film forming agent of the water insoluble microcapsule essence comprises or more of gelatin, arabinogelatin, resin, chitosan, and melamine resin.

9. The method for preparing microcapsule perfume laundry detergent of any of claims 1-8 and , comprising the following steps:

1) according to the weight percentage, firstly, uniformly mixing cationic polyacrylamide and acrylate nonionic surfactant to obtain a mixture A;

2) adding other nonionic surfactant into A, and stirring to obtain mixture B;

3) preparing an anionic surfactant, uniformly mixing the prepared anionic surfactant with a solvent, and stirring to obtain a mixture C;

4) and (3) uniformly mixing the mixture B and the mixture C, adding the microcapsule essence and other components, and uniformly stirring to obtain the microcapsule essence.

Technical Field

The invention belongs to the technical field of detergent production, and particularly relates to microcapsule essence laundry detergent and a preparation method thereof.

Background

The microcapsule essence is added into the laundry detergent, so that the effect of long-acting fragrance retention can be achieved, when fabrics are washed, microcapsule essence particles can be deposited on fabric fibers, the fabrics are continuously subjected to physical friction in the processes of airing, folding and wearing, an wrapping layer of the microcapsule essence is broken, fragrance is gradually released, and long-acting fragrance retention is achieved.

80-90% of liquid fabric detergent in China contains anionic surfactant, nonionic surfactant, washing assistant and other components. Due to the compatibility of the anionic surfactant and the nonionic surfactant, the indexes of the product such as detergency, low-temperature stability, product viscosity and the like and the economic performance of the product can be balanced, and good economic value is realized. The microcapsule essence dispersing agent is compatible with common anionic surfactant and nonionic surfactant of the laundry detergent to obtain a stable laundry detergent product.

Disclosure of Invention

Based on the above, the invention aims to provide microcapsule essence laundry detergents to effectively overcome the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

laundry detergent with microcapsule essence comprises a surfactant system and microcapsule essence, and also comprises cationic polyacrylamide, wherein the dosage of the cationic polyacrylamide is 0.1-10%, the dosage of the microcapsule essence is 0.01-5%, the surfactant system comprises anionic surfactant and nonionic surfactant, the nonionic surfactant comprises acrylate nonionic surfactant, and the dosage of the acrylate nonionic surfactant is 0.1-5%.

Compared with the prior art, the kinds of microcapsule essence laundry detergent adopts cationic polyacrylamide to stably disperse the water-insoluble microcapsule essence in an anionic surfactant and nonionic surfactant system, the cationic polyacrylamide is combined with the microcapsule essence by a hydrogen bond to provide a space stabilizing effect, and has a lasting and stable dispersing effect on microcapsule particles through intermolecular force.

, the molecular weight range of the cationic polyacrylamide is 5000-1000000, the range of intrinsic viscosity is 4-300mL/G, and the cationic degree is 3-20%, the molecular chain of the cationic polyacrylamide has a large number of hydrogen bonds which can form stable binding force with the microcapsule particles, meanwhile, the long molecular chain of the polyacrylamide with high molecular weight can be curled and tangled, so that a larger space stabilizing effect is obtained, and the stability to the microcapsule essence particles is further enhanced .

, the surfactant system is 5-90%, the anionic surfactant is 4-50%, and the nonionic surfactant is 1-50%.

, wherein the dosage of the cationic polyacrylamide is 2-5%, the dosage of the microcapsule essence is 0.1-2%, the dosage of the surfactant system is 15% -60%, the dosage of the anionic surfactant is 5-40%, and the dosage of the nonionic surfactant is 5-40%.

, the surfactant system is 15-30%, the anionic surfactant is 5-25%, and the nonionic surfactant is 5-25%.

, the nonionic surfactant further comprises or more of linear fatty alcohol polyoxyethylene ether, coconut oil fatty acid diethanolamide, branched fatty alcohol polyoxyethylene ether and fatty acid methyl ester polyoxyethylene ether, the carbon chain length of the linear fatty alcohol polyoxyethylene ether is 12-16, the addition degree of ethylene oxide is 7-9, the anionic surfactant comprises or more of alkylbenzene sulfonate, fatty alcohol ether polyoxyethylene ether sulfate, olefin sulfonate and fatty acid methyl ester sulfonate, the alkylbenzene sulfonate, the fatty alcohol ether polyoxyethylene ether sulfate, the olefin sulfonate and the fatty acid methyl ester sulfonate are formed by neutralizing corresponding acids with an alkaline neutralizing agent, and the alkaline neutralizing agent comprises or more of sodium hydroxide, monoethanolamine, diethanolamine, triethanolamine and potassium hydroxide.

, it also includes solvent with solvent content meeting 100% of the total amount of the liquid detergent, or more of deionized water, propylene glycol and ethanol, or more of chelating agent, biological enzyme, anti-redeposition agent, foam control agent, colorant, perfume essence and preservative, and optionally adds the above-mentioned adjuvant into the liquid detergent to realize corresponding functions.

, the microcapsule essence is water insoluble, and the film forming agent of the water insoluble microcapsule essence comprises or more of gelatin, arabic gelatin, resin, chitosan, and melamine resin.

The invention also provides a preparation method of the microcapsule essence laundry detergent, which comprises the following steps:

1) according to the weight percentage, firstly, uniformly mixing cationic polyacrylamide and acrylate nonionic surfactant to obtain a mixture A;

2) adding other nonionic surfactant into A, and stirring to obtain mixture B;

3) preparing an anionic surfactant, uniformly mixing the prepared anionic surfactant with a solvent, and stirring to obtain a mixture C;

4) and (3) uniformly mixing the mixture B and the mixture C, adding the microcapsule essence and other components, and uniformly stirring to obtain the microcapsule essence.

The microcapsule essence laundry detergent and the preparation method thereof have the following advantages

1. According to the microcapsule essence laundry detergent, cationic polyacrylamide is adopted in the formula, a large number of hydrogen bonds are arranged on the molecular chain of the cationic polyacrylamide, stable binding force can be formed between the hydrogen bonds and the water-insoluble microcapsule essence, in addition, the molecular long chain of the cationic polyacrylamide with high molecular weight can be curled and tangled, a larger space stabilizing effect is obtained, and the stability of microcapsule particles is further enhanced by .

2. The preparation method is characterized in that cationic polyacrylamide with low cationic degree is selected to be compatible with anionic and nonionic surfactants, so that electrostatic repulsion with the anionic surfactants is reduced, macromolecular acrylate nonionic surfactants are adopted to solubilize associations of anions and cations, and further compatibility of the cationic polyacrylamide with the anions and the nonionic surfactants is realized.

For a better understanding and practice, the present invention is described in detail below.

Detailed Description

The invention is described in further detail at with reference to specific examples.

The invention provides microcapsule essence laundry detergent, which comprises a surfactant system, microcapsule essence and cationic polyacrylamide, wherein the surfactant system consists of an anionic surfactant and a nonionic surfactant, and the nonionic surfactant comprises an acrylate nonionic surfactant.

Specifically, the specific dosage of the components is as follows: 0.1-10% of cationic polyacrylamide; 0.01-5% of microcapsule essence and 5-90% of surfactant system; 4-50% of the anionic surfactant, 1-50% of the nonionic surfactant and 0.1-5% of the acrylate nonionic surfactant.

The microcapsule essence is water insoluble, and the film forming agent of the water insoluble microcapsule essence contains or more of gelatin, arabic gelatin, resin, chitosan and melamine resin.

Preferably, the dosage of the cationic polyacrylamide is 2-5%; the dosage of the microcapsule essence is 0.1-2%. The dosage of the surfactant system is 15% -60%, in the surfactant, the dosage of the anionic surfactant is 5-40%, and the dosage of the nonionic surfactant is 5-40%. More preferably, the surfactant is present in an amount of 15% to 30%. In the surfactant, the dosage of the anionic surfactant is 5-25%, and the dosage of the nonionic surfactant is 5-25%.

Specifically, the cationic polyacrylamide has a cationic degree of 3-20%, a cationic molecular weight range of 5000-1000000 and an intrinsic viscosity range of 4-300mL/G, and a large number of hydrogen bonds are formed on the molecular chain of the cationic polyacrylamide, so that stable binding force can be formed with the microcapsule particles, meanwhile, the long molecular chain of the high molecular weight polyacrylamide can be curled and tangled, a larger space stabilizing effect is obtained, and the stability of the stable microcapsule particles is further enhanced by .

Specifically, the fatty alcohol-polyoxyethylene ether is preferably a straight-chain saturated fatty alcohol, the carbon chain length is 12-16, and the ethylene oxide addition degree is 7-9. By limiting the length of a carbon chain and the addition degree of ethylene oxide, the compatibility of the cationic polyacrylamide in the laundry detergent can be increased by the fatty alcohol-polyoxyethylene ether.

Specifically, the nonionic surfactant further comprises or more of linear fatty alcohol polyoxyethylene ether, coconut diethanolamide, branched fatty alcohol polyoxyethylene ether and fatty acid methyl ester polyoxyethylene ether, wherein the carbon chain length of the linear fatty alcohol polyoxyethylene ether is 12-16, and the addition degree of ethylene oxide is 7-9.

The anionic surfactant comprises or more of alkylbenzene sulfonate, fatty alcohol ether polyoxyethylene ether sulfate, olefin sulfonate and fatty acid methyl ester sulfonate, wherein the alkylbenzene sulfonate, the fatty alcohol ether polyoxyethylene ether sulfate, the olefin sulfonate and the fatty acid methyl ester sulfonate are formed by neutralizing corresponding acids through an alkaline neutralizer, and the alkaline neutralizer comprises or more of sodium hydroxide, monoethanolamine, diethanolamine, triethanolamine and potassium hydroxide.

Specifically, the laundry detergent disclosed by the invention further comprises a solvent, wherein the solvent is or more of deionized water, propylene glycol and ethanol.

The laundry detergent disclosed by the invention also comprises other functional auxiliary materials, specifically or more of a chelating agent, a biological enzyme, an anti-redeposition agent, a foam control agent, a coloring agent, a perfume essence and an antiseptic.

The invention also provides a preparation method of the microcapsule essence laundry detergent, which comprises the following steps:

1) according to the weight percentage, firstly, uniformly mixing cationic polyacrylamide and acrylate nonionic surfactant to obtain a mixture A.

2) adding other nonionic surfactants into the A, and uniformly stirring to obtain a mixture B for later use;

3) firstly, preparing an anionic surfactant; uniformly mixing the prepared anionic surfactant with a solvent, and stirring to obtain a mixture C;

4) and (3) uniformly mixing the mixture B and the mixture C, adding other components such as microcapsule essence, preservative, chelating agent and the like, and uniformly stirring to obtain the microcapsule essence.

In the step 3), the anionic surfactant is prepared in the laundry detergent preparation process, the preparation process is carried out on site, the preparation process is usually carried out by carrying out neutralization reaction on corresponding acid and an alkaline neutralizing agent, and the detergent can be prepared by carrying out neutralization reaction on alkylbenzene sulfonic acid, fatty alcohol ether polyoxyethylene ether sulfuric acid, olefin sulfonic acid, fatty acid methyl ester sulfonic acid, sodium hydroxide, potassium hydroxide, monoethanolamine, triethanolamine and other alkaline neutralizing agents.