CN112138528A

CN112138528A - Deodorant and preparation method thereof

Info

Publication number: CN112138528A
Application number: CN202010918641.0A
Authority: CN
Inventors: 谷双
Original assignee: Hangzhou Nayuan Environmental Technology Co ltd
Current assignee: Hangzhou Nayuan Environmental Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-12-29

Abstract

The invention discloses a deodorant and a preparation method thereof, wherein the deodorant comprises the following components in percentage by mass: 81.2 to 93.2 percent of water, 0.1 to 10 percent of zinc organic acid salt, 1 percent of plant extract, 5 to 6 percent of organic solvent, 0.5 to 1 percent of surfactant, 0.1 to 0.4 percent of stabilizer and 0.1 to 0.4 percent of preservative, wherein the zinc organic acid salt and the plant extract in the components are used for deodorization, can effectively decompose and remove ozone, ammonia, hydrogen sulfide, formaldehyde and other odors, and the plant extract plays a role in inhibiting urease and radically inhibits the generation of ammonia.

Description

Deodorant and preparation method thereof

Technical Field

The invention belongs to a deodorization technology, in particular to a deodorant and a preparation method thereof.

Background

Deodorants are used to reduce various odors produced in daily life, such as unpleasant odors caused by nitrogen compounds, sulfur compounds, short chain fatty acids, and aldehydes. Furthermore, in recent years, improvements in housing conditions (including higher air tightness) have made people more susceptible to unpleasant odors caused by, for example, chemical compounds from building materials. Therefore, there is a need for a deodorant capable of more effectively removing unpleasant odors.

The present application, china patent application No. 201710945570.1, discloses a composite deodorant which eliminates odor by adding cedar extract. Also disclosed in chinese patent application No. 201680081436.5 is a deodorant comprising a zinc salt as a deodorizing component for deodorizing.

However, the prior art is not perfect, the deodorant containing zinc salt and plant extract is easy to form emulsion or suspension and the combination of the two, which results in poor transparency of the solution, influences the quality of the product and the deodorization effect, and causes poor deodorization effect due to the problem of low solubility.

Disclosure of Invention

In order to overcome the defects and problems in the prior art, the invention provides a deodorant.

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

a deodorant comprises the following components in percentage by mass: 81.2-93.2% of water, 0.1-10% of organic acid salt of zinc, 1% of plant extract, 5-6% of organic solvent, 0.5-1% of surfactant, 0.1-0.4% of stabilizing agent and 0.1-0.4% of preservative.

Preferably, the organic acid salt of zinc is an organic acid chelate of zinc.

Preferably, the organic acid chelate of zinc is one or more of hydroxyl acid salt of zinc, ketoacid salt of zinc and amino acid salt of zinc.

Preferably, the plant extract is one or more of yucca extract and lauraceae extract.

Preferably, the surfactant is one of an anionic surfactant, a cationic surfactant and an amphoteric surfactant.

Preferably, the stabilizer is sodium citrate.

Preferably, the preservative is potassium sorbate.

Preferably, the organic solution is ethanol.

The invention also provides a preparation method of the deodorant, which is used for preparing the deodorant and comprises the following steps:

s1: weighing one or more of yucca and lauraceae plants in proportion, and sequentially cleaning, drying, mixing and crushing the yucca and lauraceae plants;

s2: adding the mixed and crushed raw materials into petroleum ether with the mass of 10-30 times, soaking for 18-24 hours, carrying out vacuum filtration to obtain first filtrate for later use, and repeating the operation on filter residues for 2 times to respectively obtain second filtrate and third filtrate for later use;

s3: fully mixing the first filtrate, the second filtrate and the third filtrate, and recovering petroleum ether from the filtrate in a rotary evaporator to obtain plant extract;

s4: weighing zinc and organic acid according to a proportion, adding the zinc and the organic acid into water, fully mixing to obtain a diluent, electrolyzing the diluent in an electrolytic tank at high temperature and high pressure for 2 hours, controlling the reaction temperature to be between 100 and 130 ℃, controlling the reaction pressure to be between 2.0 and 2.5Kpa, and repeatedly screening and filtering the diluent by adopting a 300-mesh sieve after the diluent is cooled to be between 30 and 50 ℃ to obtain the zinc organic acid salt diluent;

s5, drying the diluted solution of the zinc organic acid salt in microwave energy-saving drying equipment to obtain suspension of the zinc organic acid salt;

s6: weighing the organic solution, the surfactant, the stabilizer and the preservative according to the proportion, and stirring and dissolving the zinc organic acid suspension, the plant extract, the organic solvent, the surfactant, the stabilizer and the preservative to obtain the deodorant.

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

(1) by adopting the deodorant of the invention, the zinc organic acid salt and the plant extract in the components are used for deodorization, the odor of ozone, ammonia, hydrogen sulfide, formaldehyde and the like can be effectively decomposed and removed, and the plant extract plays a role in inhibiting urease and radically inhibits the generation of ammonia.

(2) The zinc organic acid salt has better solubility in water, and the plant extract has the function of adjusting the pH value of the zinc organic acid salt, the plant extract is rich in polyhydroxy, and the plant extract and zinc ions form hydrogen bonds, so that the solubility of the organic acid salt of zinc in the solution is improved, droplets, suspended particles and precipitates in the solution are avoided, the transparency and the stability of the deodorant are improved, the deodorant is added with the surfactant which plays a role in helping dissolution, improves the solubility of the zinc organic acid salt in the solution, further improves the transparency of the deodorant, the deodorant adopts the mixture of water and an organic solvent as the solvent, improves the solubility of the solvent to each component, and has the advantages of colorless, transparent solution, no suspended particles, no sediment and good product quality.

(3) The stabilizer is added into the deodorant, can maintain the acid-base balance of the product in the storage and use processes, avoids acid-base impact, is suitable for storage and use in environments with different pH values, and improves the validity period and the application range of the product.

(4) The deodorant is added with the preservative to play a role in preserving, so that the effective period of the product is further prolonged.

Drawings

FIG. 1 is a flow chart of a method for preparing the deodorant of the present invention;

Detailed Description

To facilitate understanding of those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings and the specific embodiments.

A deodorant is a solution prepared from water and organic solvent as solvent, wherein the water and organic solvent are mutually soluble, and can be used for removing odor from air, such as ozone and nitrogen compounds including ammonia, hydrogen sulfide, and formaldehyde.

The deodorant comprises, by mass, 81.2-93.2% of water, 0.1-10% of zinc organic acid salt, 1% of plant extract, 5-6% of organic solvent, 0.5-1% of surfactant, 0.1-0.4% of stabilizer and 0.1-0.4% of preservative, and the content of each component of the deodorant is preferably 87.2% of water, 5% of zinc organic acid salt, 1% of plant extract, 5% of organic solvent, 1% of surfactant, 0.4% of stabilizer and 0.4% of preservative.

When the organic acid salt of zinc is less than 0.1%, the deodorizing effect of the deodorant is poor, and when the organic acid salt of zinc is more than 10%, the organic acid salt of zinc forms a precipitate in the solution, decreasing the transparency of the deodorant.

The water and the organic solvent are used as solvents in the solution for dissolving organic acid salt of zinc, plant extract, surfactant, stabilizer and preservative, the content of the water is far greater than that of the organic solvent, the safety of the deodorant is improved, and the cost of the deodorant is reduced.

The zinc organic acid salt and the plant extract are deodorizing components of the deodorant, can effectively decompose and remove odor such as ozone, ammonia, hydrogen sulfide, formaldehyde and the like, and the plant extract has an inhibiting effect on urease so as to radically inhibit the generation of ammonia.

The zinc organic acid salt is soluble zinc salt and has good solubility in water, the plant extract plays a role in regulating the pH of the zinc organic acid salt, the plant extract is rich in polyhydroxy, the plant extract and zinc ions form hydrogen bonds, the solubility of the zinc organic acid salt in the solution is also improved, small drops, suspended particles and precipitates in the solution are avoided, and the transparency and the stability of the deodorant are improved.

In addition, the surfactant plays a role in assisting dissolution, improves the solubility of the organic acid salt of zinc in the solution, improves the transparency of the solution, avoids small drops, suspended particles and precipitates in the solution, and has the advantages of colorless and transparent appearance, no suspended particles and no precipitates and good product quality.

The stabilizer can maintain the acid-base balance of the product in the storage and use processes, avoids acid-base impact, is suitable for storage and use in environments with different pH values, and improves the validity period and application range of the product.

The deodorant and the zinc organic acid salt are used together, so that the deodorant has an excellent anti-corrosion effect, and the validity period of the product is further prolonged.

The organic acid salt of zinc is an organic acid chelate of zinc, so that the metal ions in the deodorant are prevented from generating chemical reaction to form precipitates, the scale dissolving effect is achieved, the organic acid chelate of zinc also has hydrophilicity, the solubility is improved, and the deodorization effect and the transparency of the product are improved.

The organic acid chelate of zinc is one or more of hydroxyl acid salt, zinc ketonate and zinc amino acid salt.

The plant extract is one or more of Yucca Schidigera extract and Lauraceae extract.

The surfactant is one of an anionic surfactant, a cationic surfactant and an amphoteric surfactant, preferably an amphoteric surfactant, the amphoteric surfactant can be lauryl dimethyl glycine betaine, and the lauryl dimethyl glycine betaine has the same number of monovalent cations and monovalent anions, so that the transparency of the solution is further improved.

The stabilizer is sodium citrate, the sodium citrate can be dissolved in water, the reduction of the transparency of the solution is avoided, and the sodium citrate has the advantages of acid-base regulation, safety, no toxicity and good stability.

The preservative is potassium sorbate, the potassium sorbate is easily dissolved in water and ethanol, the preservative is prevented from influencing the appearance of the solution, the potassium sorbate can fully exert the preservative effect in an acidic medium, the preservative effect of the preservative is improved, the toxicity of the preservative is low, and the preservative is prevented from damaging human bodies.

The organic solution is ethanol which can be freely dissolved with water, emulsion is avoided, the organic acid salt of zinc has a good dissolving effect, all components of the deodorant are dissolved together, and the transparency of the solution is further improved.

As shown in fig. 1, a preparation method of a deodorant for preparing the deodorant comprises the following steps:

The following description refers to embodiments of the present invention for further details. However, the present invention is not limited to these examples.

Example 1: a deodorant comprises the following components in percentage by mass: 87.7% water, 5% zinc glycinate, 1% yucca plant extract, 5% ethanol, 1% lauryl dimethyl glycine betaine as organic acid chelate of zinc, 0.2% sodium citrate, 0.1% potassium sorbate, wherein lauryl dimethyl glycine betaine is used as amphoteric surfactant with carboxylate group.

Example 2: the other conditions were the same as in example 1, except that lauryl dimethylaminoacetic acid betaine was changed to sodium polyoxyethylene alkylether sulfate, sodium polyoxyethylene alkylether sulfate was used as an anionic surfactant,

example 3: the other conditions were the same as in example 1 except that lauryl dimethylamino acetic acid betaine was changed to cetylpyridinium chloride, which was used as a cationic surfactant.

Comparative example 1: the other conditions were the same as in example 1 except that lauryl dimethyl glycine betaine was replaced with water.

The following evaluation tests were performed for each of the obtained deodorants.

1. Solution appearance evaluation:

the test conditions were carried out under normal temperature and pressure conditions, and various deodorants were added to the respective transparent containers for observation, and the appearance of the solutions was evaluated as the following table one:

watch 1

As shown in table one, the examples containing lauryl dimethyl glycine betaine appeared colorless, transparent, no floating droplets, no suspended particles, and the appearance performed best. Example 2 exhibited slightly inferior appearance compared to example 1, but there were no white suspended particles compared to comparative example 1 containing no surfactant, and thus example 2 also had the effect of improving the appearance of the solution. Whereas example 3 performed poorly in appearance with suspended particles in the solution.

2. And (3) deodorizing capability test:

the deodorizing ability test comprises the following steps: the method comprises the following steps: the test conditions were carried out at normal temperature and pressure, and 12 air test chambers (the volume in the chamber was 1 m)³) The following table two is used specifically.

Watch two

Step two: the deodorant of each test group is diluted by 20 times, sprayed on the test base paper in equal amount, and hung in the air experiment cabin of each test group, and the test base paper sprayed with water is hung in the air experiment cabin in a blank cabin.

Step three: medical gauze (10 × 10cm in size) was wrapped on a glass rod, the glass rod with the gauze was vertically inserted into a reagent bottle and fixed with cotton, and 100ml of a solution with a formaldehyde concentration of 1% or a solution with an ammonia concentration of 2% was poured into the reagent bottle to prepare 6 parts of a formaldehyde releasing source and 6 parts of an ammonia releasing source.

Step four: 6 parts of formaldehyde release source and 6 parts of ammonia release source were placed in the air test chamber of each test group, respectively, and the chamber door was closed immediately.

Step five: and stirring for 1 minute by using a fan in the air-air experiment cabin to fully mix the air in the cabin with the release source, and performing sampling tests on the air in the cabin at intervals of 2 hours, 8 hours and 24 hours, wherein the acquisition results of the formaldehyde removal test are shown in the following table three, and the acquisition results of the ammonia removal test are shown in the following table four.

Test set number

Concentration after 2h

Removal rate

Concentration after 8h

Removal rate

Concentration after 24h

Removal rate

A1

1.5

/

5.4

/

17.2

/

A2

0.0675

95.50％

0.0378

99.30％

1.7372

89.90％

A3

0.1425

90.50％

0.1728

96.80％

2.1672

87.40％

A4

0.1575

89.50％

0.2484

95.40％

2.1844

87.30％

A5

0.4005

73.30％

0.3942

92.70％

2.15

87.50％

Watch III

Test set number

Concentration after 2h

Removal rate

Concentration after 8h

Removal rate

Concentration after 24h

Removal rate

B1

6.22

/

23.9

/

60.2

/

B2

0.5262

91.54％

0.4254

98.22％

5.9598

90.10％

B3

0.594

90.45％

1.1448

95.21％

6.8748

88.58％

B4

0.5754

90.75％

1.006

95.79％

6.3993

89.37％

B5

0.7116

88.56％

1.5535

93.50％

8.6327

85.66％

Watch four

From the above test results, it is understood that the deodorant using lauryl dimethylamino acetic acid betaine not only exhibits a good appearance, but also is significantly improved in various deodorizing indexes, and has an excellent deodorizing effect.

The deodorant prepared by the invention has the advantages of low toxicity, high transparency, no precipitate and good deodorization effect, can be prepared into deodorization spray, air freshener and the like, and is used for directly deodorizing indoor air, refrigerators, automobiles, pets, furniture and the like.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The deodorant is characterized by comprising the following components in percentage by mass: 81.2-93.2% of water, 0.1-10% of organic acid salt of zinc, 1% of plant extract, 5-6% of organic solvent, 0.5-1% of surfactant, 0.1-0.4% of stabilizing agent and 0.1-0.4% of preservative.

2. A deodorant according to claim 1 wherein said organic acid salt of zinc is an organic acid chelate of zinc.

3. A deodorant according to claim 2 wherein said organic acid chelate of zinc is one or more of a hydroxy acid salt of zinc, a keto acid salt of zinc, and an amino acid salt of zinc.

4. The deodorant according to claim 1, wherein the plant extract is one or more of yucca extract and lauraceae extract.

5. A deodorant according to claim 1 wherein said surfactant is one of an anionic surfactant, a cationic surfactant and an amphoteric surfactant.

6. A deodorant according to claim 1 wherein the stabiliser is sodium citrate.

7. A deodorant according to claim 1 wherein the preservative is potassium sorbate.

8. A deodorant according to claim 1 wherein the organic solvent is ethanol.

9. A method for producing a deodorant, for use in the production of the deodorant according to claims 1 to 8, characterized by comprising the steps of:

s4: weighing zinc and organic acid according to a proportion, adding the zinc and the organic acid into water, fully mixing to obtain a diluent, electrolyzing the diluent in an electrolytic box under the action of a catalyst for 2 hours, controlling the reaction temperature to be between 65 and 100 ℃, and repeatedly screening and filtering the diluent by using a 300-mesh sieve after the diluent is cooled to be between 30 and 50 ℃ to obtain an organic acid salt diluent of the zinc;