阅读说明：本技术 一种长效抑菌组合物及其在洗衣液中的应用 (Long-acting antibacterial composition and application thereof in laundry detergent ) 是由 刘晓芳 梁巧斌 张树林 于 2020-12-25 设计创作，主要内容包括：本发明公开了一种长效抑菌组合物,其特征在于,该组合物是由抗菌成分和纳米高分子聚合物组合而成。本发明采用了纳米高分子聚合物,其具良好的亲水性、耐水解性、室温下较好的成膜性,对抗菌成分和衣物纤维均具有良好的亲和力,从而赋予衣物纤维一层光滑、完整、无间隙、耐磨、耐久的抗菌涂覆层,能够使洗后衣物具有持久抗菌功能,另外对衣物纤维无任何损伤,外观质感等均不发生改变。(The invention discloses a long-acting antibacterial composition which is characterized by being prepared by combining antibacterial ingredients and a nano high polymer. The invention adopts the nanometer high molecular polymer which has good hydrophilicity, hydrolysis resistance, good film forming property at room temperature and good affinity for antibacterial components and clothes fibers, thereby endowing the clothes fibers with a smooth, complete, gapless, wear-resistant and durable antibacterial coating layer, enabling the washed clothes to have a lasting antibacterial function, having no damage to the clothes fibers, and having no change in appearance texture and the like.)

1. A long-acting bacteriostatic composition is characterized by being prepared by combining antibacterial ingredients and a nano high polymer.

2. The long-acting bacteriostatic composition of claim 1, wherein: the weight ratio of the nanometer high molecular polymer to the antibacterial component in the composition is 10000: 1-1: 1.

3. The long-acting bacteriostatic composition of claim 1, wherein: the nano high molecular polymer is a transparent nano high molecular polymer.

4. The long-acting bacteriostatic composition of claim 1, wherein: the particle size range of the nanometer high molecular polymer particles is 150 nm-1000 nm.

5. The long-acting bacteriostatic composition of claim 1, wherein: the nanometer high molecular polymer is one or more of polyamide, polyester, polyoxyethylene, polyurethane, polyvinylpyrrolidone, polyacrylate, polysaccharide and polyquaternium, or copolymer or derivative.

6. The long-acting bacteriostatic composition of claim 5, wherein: the composition comprises the following components in percentage by mass:

an antibacterial component: 0.05-15%;

nano high molecular polymer: 0.05-15%;

chelating agent: 0.1 to 1 percent;

the balance being deionized water.

7. The long-acting bacteriostatic composition of claim 6, wherein: the composition comprises the following components in percentage by weight:

polyhexamethylene biguanide hydrochloride: 0.2 percent;

benzalkonium chloride: 1 percent;

didecyl dimethyl ammonium chloride: 0.8 percent;

polyurethane microemulsion dispersion liquid: 5 percent;

disodium ethylene diamine tetraacetate: 0.3 percent;

the balance being deionized water.

8. The use of a long-acting bacteriostatic composition according to any one of claims 1 to 7 in a laundry detergent, wherein after clothes are washed by the laundry detergent, the antibacterial component can be well combined with clothes fibers with the help of the nano high molecular polymer, so that the clothes are endowed with a long-lasting bacteriostatic effect.

9. The use of a long-lasting bacteriostatic composition according to claim 8 in a laundry detergent, wherein: the laundry detergent comprises the following components in percentage by mass:

10. a method for preparing a laundry detergent containing the long-acting bacteriostatic composition as defined in claim 9, which comprises the following specific steps:

the first step is as follows: dissolving cellulose thickener with part of deionized water for use;

the second step is that: injecting 40-50% of deionized water into a stirring kettle, heating to 60-80 ℃, sequentially adding fatty alcohol-polyoxyethylene ether, isomeric alcohol ether, alkyl glucoside and cocamidopropyl betaine, and fully stirring to uniformly dissolve the fatty alcohol-polyoxyethylene ether, the isomeric alcohol ether, the alkyl glucoside and the cocamidopropyl betaine;

the third step: cooling to normal temperature, adding the long-acting antibacterial composition, and uniformly stirring;

the fourth step: sequentially adding antiseptic and essence, stirring, adding citric acid to adjust pH to 6.5-8.5;

the fifth step: and (3) adding the pre-dissolved standby cellulose thickener in the first step into the mixture, stirring the mixture, and uniformly mixing the mixture to finish the preparation.

Technical Field

The invention relates to the technical field of daily chemical washing products, in particular to a long-acting antibacterial composition and application thereof in laundry detergent.

Background

The working principle of the laundry detergent is the same as that of the traditional washing powder and soap, and the active ingredients are all surfactants. The difference lies in that: the traditional washing powder and soap adopt anionic surfactants, mainly comprise sodium alkyl sulfonate and sodium stearate, have strong alkalinity (the pH of the washing powder is generally more than 12), further have large irritation and damage to skin when in use, have mild performance, strong detergency, abundant foam, do not damage fabrics, are harmless to human bodies, have liquid formulations, are convenient to use, and are popular and loved by consumers.

However, as people pay more and more attention to concepts of green, health and the like, the requirements for additional functions brought by washing of the laundry detergent are more and more diverse and higher, one of the requirements is that the washed clothes have a lasting antibacterial effect, the clothes with the lasting antibacterial function cannot grow various bacteria, fungi and molds along with the change of the environment, such as humidity and heat, and the clothes stored for a long time are not easy to generate peculiar smell.

At present, bacteriostatic laundry detergents sold in the market are mostly prepared by adding phenolic bactericides or plant bacteriostatic agents, and most of the bacteriostatic laundry detergents emphasize the instant sterilization or degerming capability of clothes in the washing process, and have certain defects of greenness, safety and effectiveness, more importantly, the resistance capability of washed clothes to the external environment in the long-term storage process is neglected, for example, bacterial fungi and even mold are easily bred on the clothes in humid and stuffy environment in plum rain season, so that peculiar smell is generated, therefore, the laundry detergents in the prior art can not meet the requirements of people, and a long-acting bacteriostatic composition is urgently needed to be developed and applied to a laundry formula, so that the clothes can keep a good bacteriostatic effect in the airing and storage processes after washing.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a long-acting antibacterial composition which adopts a nano high-molecular polymer, has good hydrophilicity, hydrolysis resistance and good film-forming property at room temperature, has good affinity for antibacterial components and clothes fibers, thereby endowing the clothes fibers with a smooth, complete, gapless, wear-resistant and durable antibacterial coating layer, can ensure that the washed clothes have a lasting antibacterial function, has no damage to the clothes fibers, and has no change in appearance texture and the like, and an application of the long-acting antibacterial composition in a laundry detergent.

In order to solve the technical problems, the invention adopts the following technical scheme:

a long-acting bacteriostatic composition is characterized by being prepared by combining antibacterial ingredients and a nano high polymer.

In a preferred embodiment of the present invention, the weight ratio of the nano high molecular polymer to the antibacterial component in the composition is 10000: 1-1: 1.

in a preferred embodiment of the present invention, the nano polymer is a transparent nano polymer.

In a preferred embodiment of the present invention, the particle size of the nano high molecular polymer particles is in the range of 150nm to 1000 nm.

In a preferred embodiment of the present invention, the nano high molecular polymer is one or more of polyamide, polyester, polyoxyethylene, polyurethane, polyvinylpyrrolidone, polyacrylate, polysaccharide, polyquaternium, or copolymer or derivative.

In a preferred embodiment of the invention, the composition comprises the following components in percentage by mass:

an antibacterial component: 0.05 to 15 percent;

nano high molecular polymer: 0.05 to 15 percent;

chelating agent: 0.1 to 1 percent;

the balance being deionized water.

In a preferred embodiment of the present invention, the components of the composition and the weight percentages of the components are:

polyhexamethylene biguanide hydrochloride: 0.2 percent;

benzalkonium chloride: 1 percent;

didecyl dimethyl ammonium chloride: 0.8 percent;

polyurethane microemulsion dispersion liquid: 5 percent;

disodium ethylene diamine tetraacetate: 0.3 percent;

the balance being deionized water.

The invention also discloses application of the long-acting antibacterial composition in a laundry detergent, after clothes are washed by the laundry detergent, the antibacterial components and clothes fibers can form good combination with the help of the nano high polymer, so that the clothes are endowed with long-term antibacterial effect.

In a preferred embodiment of the invention, the laundry detergent comprises the following components in percentage by mass:

the invention also discloses a preparation method of the laundry detergent containing the long-acting antibacterial composition, which comprises the following specific steps:

the first step is as follows: dissolving cellulose thickener with part of deionized water for use;

the second step is that: injecting 40-50% of deionized water into a stirring kettle, heating to 60-80 ℃, sequentially adding fatty alcohol-polyoxyethylene ether, isomeric alcohol ether, alkyl glucoside and cocamidopropyl betaine, and fully stirring to uniformly dissolve the fatty alcohol-polyoxyethylene ether, the isomeric alcohol ether, the alkyl glucoside and the cocamidopropyl betaine;

the third step: cooling to normal temperature, adding the long-acting antibacterial composition, and uniformly stirring;

the fourth step: sequentially adding the preservative and the essence, stirring uniformly, and adding citric acid to adjust the pH value to 6.5-8.5;

the fifth step: and (3) adding the pre-dissolved standby cellulose thickener in the first step into the mixture, stirring the mixture, and uniformly mixing the mixture to finish the preparation.

Compared with the prior art, the invention adopts the nanometer high molecular polymer which has good hydrophilicity, hydrolysis resistance, good film forming property at room temperature and good affinity to both antibacterial components and clothing fibers, thereby endowing the clothing fibers with a smooth, complete, gapless, wear-resistant and durable antibacterial coating layer, enabling the washed clothing to have a lasting antibacterial function, and in addition, the clothing fibers are not damaged at all, and the appearance texture and the like are not changed.

Detailed Description

The present invention is further described in order to make the technical means, the creation features, the achievement purposes and the effects of the present invention easy to understand.

A long-acting bacteriostatic composition is prepared from antibacterial component and high-molecular nano-polymer.

The weight ratio range of the nanometer high molecular polymer to the antibacterial component in the composition is 10000: 1-1: 1.

the nano high molecular polymer is transparent, can avoid yellowing on fabrics, and effectively improves the practical performance of the long-acting antibacterial composition.

The particle size range of the nano high molecular polymer particles is 150 nm-1000 nm, and the antibacterial component adopts the antibacterial component with better water solubility, so that the dissolution is convenient, and the water solubility of the long-acting antibacterial composition is effectively improved.

The nanometer high molecular polymer adopts one or more of polyamide, polyester, polyoxyethylene, polyurethane, polyvinylpyrrolidone, polyacrylate, polysaccharide and polyquaternium or copolymer or derivative, and the specific components can be selected according to actual use conditions.

The composition comprises the following components in percentage by mass:

an antibacterial component: 0.05 to 15 percent;

nano high molecular polymer: 0.05 to 15 percent;

chelating agent: 0.1 to 1 percent;

the balance being deionized water.

The composition comprises the following components in percentage by weight:

polyhexamethylene biguanide hydrochloride: 0.2 percent;

benzalkonium chloride: 1 percent;

didecyl dimethyl ammonium chloride: 0.8 percent;

polyurethane microemulsion dispersion liquid: 5 percent;

disodium ethylene diamine tetraacetate: 0.3 percent;

the balance being deionized water.

The invention also discloses application of the long-acting antibacterial composition in a laundry detergent, after clothes are washed by the laundry detergent, the antibacterial components and clothes fibers can form good combination with the help of the nano high polymer, so that the clothes are endowed with long-term antibacterial effect.

The laundry detergent comprises the following components in percentage by mass:

the invention also discloses a preparation method of the laundry detergent containing the long-acting antibacterial composition, which comprises the following specific steps:

the first step is as follows: dissolving cellulose thickener with part of deionized water for use;

the second step is that: injecting 40-50% of deionized water into a stirring kettle, heating to 60-80 ℃, sequentially adding fatty alcohol-polyoxyethylene ether, isomeric alcohol ether, alkyl glucoside and cocamidopropyl betaine, and fully stirring to uniformly dissolve the fatty alcohol-polyoxyethylene ether, the isomeric alcohol ether, the alkyl glucoside and the cocamidopropyl betaine;

the third step: cooling to normal temperature, adding the long-acting antibacterial composition, and uniformly stirring;

the fourth step: sequentially adding the preservative and the essence, stirring uniformly, and adding citric acid to adjust the pH value to 6.5-8.5;

the fifth step: and (3) adding the pre-dissolved standby cellulose thickener in the first step into the mixture, stirring the mixture, and uniformly mixing the mixture to finish the preparation.

In conclusion, the invention adopts the nanometer high molecular polymer which has good hydrophilicity, hydrolysis resistance, good film forming property at room temperature and good affinity to both antibacterial components and clothes fibers, thereby endowing the clothes fibers with a smooth, complete, gapless, wear-resistant and durable antibacterial coating layer, enabling the washed clothes to have a lasting antibacterial function, and further causing no damage to the clothes fibers and no change in appearance texture and the like.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.