CN116326494A

CN116326494A - Cat litter and preparation method thereof

Info

Publication number: CN116326494A
Application number: CN202310341524.6A
Authority: CN
Inventors: 牛志远; 牛慧; 牛志杰; 葛东方; 牛红武
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-27

Abstract

The application relates to cat litter, it is multilayer core-shell structure, include: an inner core, an inner shell and a filling shell; the inner core comprises the following raw materials in weight: 10-15 parts of diatomite, 30-45 parts of volcanic rock, 3-6 parts of bacteriostatic agent and 10-15 parts of first adhesive; the inner shell comprises the following raw materials in weight: 15-20 parts of wood chips, 3-6 parts of a second adhesive, 20-25 parts of bamboo fibers and 6-10 parts of activated alumina powder; the filling shell comprises the following raw materials in weight: 5-10 parts of white carbon black, 3-5 parts of foaming agent, 1-3 parts of natural perfume, 10-15 parts of montmorillonite powder, 10-20 parts of pea fiber and 15-25 parts of puffed corn powder; the filling shell is provided with a porous structure, the porous structure is internally filled with a color development mixture, and a water-soluble film is coated outside the filling shell. Through the arrangement, the cat litter has higher water absorption efficiency, can inhibit bacterial growth, and can also carry out color development detection on urine.

Description

Cat litter and preparation method thereof

Technical Field

The invention relates to the technical field of cat litter, in particular to cat litter and a preparation method thereof.

Background

Cat litter is used for pet excrement's processing, generally has characteristics such as better hydroscopicity, deodorization nature, if training the pet into regularly and fixed point urine, in laying the open container of cat litter, then cat litter can be very fast with excrement urine moisture absorption and inflation into the lump, and have certain intensity, convenient processing. The original cat litter is made of yellow sand, coal ash and the like, but the durability is poor due to the defects of weak caking property and the like, the cat litter capable of detecting cat urine is developed according to the pH value of urine or the reaction with blood contained in the cat litter, but the problem of insignificant development time and development exists, bentonite or diatomite becomes an important part of the cat litter market after years of development, but the bentonite or diatomite has the following defects that on one hand, the bentonite or diatomite cat litter is difficult to form large particles, is easy to crush, has larger dust, is used for a long time, and is often sneezed, especially a relatively sensitive cat. On the other hand, the bentonite or diatomite cat litter has overlarge density and overlarge weight, which affects the use; on the other hand, bentonite or diatomaceous earth cat litter has to be improved in water absorption and antibacterial properties, and thus, a single bentonite or diatomaceous earth cat litter has not been able to meet the needs of many users.

Disclosure of Invention

In order to solve the technical problems, the application provides cat litter and a preparation method thereof, which can effectively solve the technical problems.

In order to achieve the above purpose, the technical scheme of the application is as follows:

a cat litter, which is a multi-layer core-shell structure comprising:

an inner core, an inner shell and a filling shell;

the inner core comprises the following raw materials in weight: 10-15 parts of diatomite, 30-45 parts of volcanic rock, 3-6 parts of bacteriostatic agent and 10-15 parts of first adhesive;

volcanic rock (basalt) is porous stone formed after volcanic eruption, and the erupted magma has gas slag and solid magma during eruption, the temperature and pressure are rapidly reduced, and chemical and physical changes occur, so the magma becomes volcanic, and the volcanic is crushed and then passes through a 30-mesh sieve to obtain porous granular volcanic particles or powder.

The inner shell comprises the following raw materials in weight: 15-20 parts of wood chips, 3-6 parts of a second adhesive, 20-25 parts of bamboo fibers and 6-10 parts of activated alumina powder;

the filling shell comprises the following raw materials in weight: 5-10 parts of white carbon black, 3-5 parts of foaming agent, 1-3 parts of natural perfume, 10-15 parts of montmorillonite powder, 10-20 parts of pea fiber and 15-25 parts of puffed corn powder;

the filling shell is provided with a porous structure, the porous structure is internally filled with a color development mixture, and a water-soluble film is coated outside the filling shell.

According to the technical scheme, the inner core with the pore structure is formed through diatomite, the first adhesive and volcanic rock, so that the inner core has good water storage performance, bacteria can be prevented from breeding bacteria by the aid of the bacteria inhibitor, the inner core is wrapped by the inner core, the inner core is formed by mixing bamboo fibers, wood dust, active alumina powder and the second adhesive, the inner core is prevented from loosening, meanwhile, the inner core can absorb water, the active alumina powder has strong water absorption performance, hydraulic setting can be achieved, hydration reaction can be achieved with water to generate aluminum hydroxide gel with high strength, urine inhaled by the inner core is blocked, the pore is blocked to prevent water storage from seeping, the shell can absorb water and agglomerate after urine absorption, a color developing solution is filled in a hole of the filled shell, ph value or hidden blood is detected after urine absorption, the hole structure enables a plurality of cat urine to be mixed, the reaction is sufficiently obvious, the water-soluble film can maintain the surface of cat sand for a longer time, the water-soluble film can seal the surface of the cat sand, the color developing agent is protected, and the quality guarantee period is prolonged in a standby state.

As a preferred scheme of the application, the bacteriostat is a composite bacteriostat, comprising: sodium fluoride, celastrus angulatus and benzyl alcohol.

As a preferred embodiment of the present application, the first binder and the second binder are identical in structure and are each a mixture of guar gum and xanthan gum.

As a preferred embodiment of the present application, the color development mixture comprises tetramethyl benzidine; the color development mixture also contains bromothymol blue.

As a preferred embodiment of the present application, the foaming agent is a vegetable foaming agent.

A method for preparing cat food, comprising the following steps:

s1, preparing an inner core: stirring and mixing diatomite and volcanic rock uniformly, adding a first adhesive, stirring and mixing uniformly again, extruding and granulating, rolling and coating an adhesive bacteriostatic agent, and drying to obtain an inner core;

s2, preparing an inner shell: spraying water to wet and uniformly mix the wood chips, the bamboo fibers and the activated alumina powder to obtain a mixture of the inner shell, drying, immersing the inner core in a second adhesive, filtering the inner core, taking out, rolling and coating the dried inner shell mixture, and drying;

s3, preparing a filling shell: mixing white carbon black, foaming agent, natural perfume, montmorillonite powder, pea fiber and puffed corn powder, adding appropriate amount of water, stirring to paste, rolling the granules prepared in S2 into paste, and drying;

s4, placing the particles prepared in the step S3 into a ribbon stirrer for stirring, spraying a chromogenic mixture in the stirring process, and drying;

s5, putting the particles prepared in the step S4 into a spiral stirrer again for stirring, spraying the dissolved water-soluble film in a spray mode, and drying to obtain the cat litter particles.

The cat litter particles are cylindrical long strips.

As a preferable mode of the present application, the wood chips in S2 are crushed so that the particle size of the wood chips is not more than 30 mesh.

As a preferred embodiment of the present application, the pasty water content in S3 is 5% -10%.

As a preferable scheme of the application, the drying mode of S4 and S5 is heating and blowing drying, the drying process is light-proof, and the drying temperature is not more than 30 ℃.

As a preferred embodiment of the present application, a white pigment is added to the water-soluble film dissolved in the step S5.

The technical scheme is realized, and the light-avoiding property is increased.

In summary, the application has the following beneficial effects:

according to the cat litter and the preparation method thereof, the inner core with the pore structure is formed through diatomite, the first adhesive and volcanic rock, so that the cat litter has good water storage performance, bacteria can be prevented from breeding bacteria in urine, the inner shell wraps the inner core, the inner shell is formed by mixing bamboo fibers, wood dust, active alumina powder and the second adhesive, the inner core is prevented from loosening, meanwhile, the inner shell can absorb water, the active alumina powder has strong water absorption performance, hydraulic property and can generate hydration reaction with water to generate aluminum hydroxide gel with high strength, urine absorbed by the inner core is blocked, the pore is prevented from being oozed out, the filling shell can absorb water and is agglomerated after urine absorption, a developing solution is filled in the hole of the filling shell, ph value or hidden blood is detected after urine absorption, the hole structure enables the developing mixture to be mixed with more cat urine, the reaction is sufficiently obvious, the hole structure can be maintained, the health state of a cat can be observed through the longer time developing reaction, the water-soluble film can seal the surface of the cat litter, the developing mixture is protected, and the standby time is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of the present application.

Corresponding part names are indicated by numerals and letters in the drawings:

1. an inner core; 2. an inner case; 3. filling the shell.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Example 1

As shown in fig. 1, a cat litter is a multi-layer core-shell structure comprising:

an inner core 1, an inner shell 2 and a filling shell 3;

the inner core 1 comprises the following raw materials in weight: 10 parts of diatomite, 30 parts of volcanic rock, 3 bacteriostatic agent and 10 parts of first adhesive;

the inner shell 2 comprises the following raw materials in weight: 15 parts of wood dust, 3 parts of a second adhesive, 20 parts of bamboo fibers and 6 parts of active alumina powder;

the filling shell 3 comprises the following raw materials in weight: 5 parts of white carbon black, 3 parts of foaming agent, 1 part of natural perfume, 10 parts of montmorillonite powder, 10 parts of pea fiber and 15 parts of puffed corn powder; the filling shell 3 has a porous structure, the inside of the porous structure is filled with a color development mixture, and a water-soluble film is coated outside the filling shell 3.

The bacteriostat is a composite bacteriostat, comprising: sodium fluoride, celastrus angulatus and benzyl alcohol.

The first binder and the second binder are identical in structure and are both a mixture of guar gum and xanthan gum.

The color development mixture comprises tetramethyl benzidine; the foaming agent is a vegetable foaming agent.

Example 2

an inner core 1, an inner shell 2 and a filling shell 3;

the inner core 1 comprises the following raw materials in weight: 15 parts of diatomite, 45 parts of volcanic rock, 6 bacteriostatic agents and 15 parts of first adhesive;

the inner shell 2 comprises the following raw materials in weight: 20 parts of wood dust, 6 parts of a second adhesive, 25 parts of bamboo fibers and 10 parts of active alumina powder;

the filling shell 3 comprises the following raw materials in weight: 10 parts of white carbon black, 5 parts of foaming agent, 3 parts of natural perfume, 15 parts of montmorillonite powder, 20 parts of pea fiber and 25 parts of puffed corn powder;

the filling shell 3 has a porous structure, the inside of the porous structure is filled with a color development mixture, and a water-soluble film is coated outside the filling shell 3.

The color development mixture comprises bromothymol blue; the foaming agent is a vegetable foaming agent.

Example 3

an inner core 1, an inner shell 2 and a filling shell 3;

the inner core 1 comprises the following raw materials in weight: 12 parts of diatomite, 37 parts of volcanic rock, 4 parts of a bacteriostat and 12 parts of a first adhesive;

the inner shell 2 comprises the following raw materials in weight: 17 parts of wood dust, 4 parts of a second adhesive, 22 parts of bamboo fibers and 8 parts of active alumina powder;

the filling shell 3 comprises the following raw materials in weight: 7 parts of white carbon black, 4 parts of foaming agent, 2 parts of natural perfume, 12 parts of montmorillonite powder, 15 parts of pea fiber and 20 parts of puffed corn powder;

The water-soluble film is a polyvinyl alcohol film or a water-soluble resin film containing a polyvinyl alcohol resin, and the thickness may be 5um.

The color development mixture is a mixture of tetramethyl benzidine and bromothymol blue; the foaming agent is a vegetable foaming agent.

Example 4

A method of making the cat food of examples 1-3 comprising the steps of:

s1, preparing an inner core 1: stirring and mixing diatomite and volcanic rock uniformly, adding a first adhesive, stirring and mixing uniformly again, extruding and granulating, rolling and coating an adhesive bacteriostatic agent, and drying to obtain an inner core 1;

s2, preparing an inner shell 2: spraying water to wet and uniformly mix wood dust, bamboo fiber and active alumina powder to obtain a mixture of the inner shell 2, drying, immersing the inner core 1 in a second adhesive, filtering the inner core 1, taking out, rolling coating the dried mixture of the inner shell 2, and drying;

s3, preparing a filling shell 3: mixing white carbon black, foaming agent, natural perfume, montmorillonite powder, pea fiber and puffed corn powder, adding appropriate amount of water, stirring to paste, rolling the granules prepared in S2 into paste, and drying;

And (3) crushing the wood chips in the step (S2) to ensure that the granularity of the wood chips is less than or equal to 30 meshes.

The pasty water content in S3 is 5% -10%.

The drying mode of S4 and S5 is heating and blowing drying, the drying process is light-proof, and the drying temperature is not more than 30 ℃.

A white pigment is added to the water-soluble film dissolved in step S5.

Example 5

A method of making the cat food of examples 1-3 comprising the steps of:

s1, preparing an inner core 1: after evenly stirring and mixing diatomite and volcanic rock, the mixing time is 10 min, adding a first adhesive, stirring and mixing again, extruding and granulating, then rolling and coating an adhesive bacteriostatic agent, granulating with the length of 2mm, the granulating grain diameter of 1mm, the drying temperature of 5 ℃ and the drying time of 20 min, and obtaining an inner core 1;

s2, preparing an inner shell 2: spraying water to wet and uniformly mix the wood chips, the bamboo fibers and the active alumina powder, and drying the mixture for 2 hours at the temperature of 30 ℃ according to the water to obtain a mixture of the inner shell 2; immersing the inner core 1 in a second adhesive, filtering the inner core 1, taking out, rolling and coating the dried inner shell 2 mixture, wherein the thickness of the rolling and coating is 1mm, and drying for 1h at 30 ℃;

s3, preparing a filling shell 3: mixing white carbon black, foaming agent, natural perfume, montmorillonite powder, pea fiber and puffed corn powder, adding appropriate amount of water, stirring to form paste, generating a large number of bubbles with diameter of 1, roll-coating the particles prepared in S2 into paste with thickness of 1mm, and drying;

The paste in S3 had a water content of 5% by weight.

A white pigment is added to the water-soluble film dissolved in step S5.

Example 6

A method of making the cat food of examples 1-3 comprising the steps of:

s1, preparing an inner core 1: stirring and mixing diatomite and volcanic rock uniformly for 20 min, adding a first adhesive, stirring and mixing uniformly again, extruding and granulating, and then rolling and coating an adhesive bacteriostatic agent, wherein the granulating length is 10mm, the granulating particle size is 3mm, the drying temperature is 70 ℃, and the drying time is 20 min to obtain an inner core 1;

the cat litter particles are in a cylindrical strip shape.

S2, preparing an inner shell 2: spraying water to wet and uniformly mix the wood chips, the bamboo fibers and the active alumina powder, and drying the mixture for 2 hours at 50 ℃ according to the water to obtain a mixture of the inner shell 2; immersing the inner core 1 in a second adhesive, filtering the inner core 1, taking out, rolling and coating the dried inner shell 2 mixture, wherein the thickness of the rolling and coating is 2mm, and drying for 1h at 50 ℃;

when observed under a 2000-time electron microscope, the cross section of the bamboo fiber is concave-convex deformed, is covered with pores similar to an ellipse, is highly hollow, has strong capillary effect, can instantly absorb and evaporate water, and among all natural fibers, the head of five large fibers with good hygroscopicity and air permeability of the bamboo fiber is greatly superior to that of the traditional fiber, and can absorb urine into the inner core 1 for storage.

S3, preparing a filling shell 3: mixing white carbon black, foaming agent, natural perfume, montmorillonite powder, pea fiber and puffed corn powder, adding appropriate amount of water, stirring to form paste, generating a large amount of bubbles with diameter of 1.5mm, roll-coating the particles prepared in S2 into paste with thickness of 1.25mm, and drying;

the natural perfume comprises the following components: peppermint (preferably catnip), floral (rose, jasmine, sweet osmanthus, etc.), lemongrass, resins (storax, myrrh, olibanum, borneol, amber, etc.).

The foaming agent in S3 selects the vegetable foaming agent, is insensitive to hard water, is nontoxic, tasteless and free of sediment, has a pH value close to neutral, is storage-resistant and not easy to deteriorate, has excellent foamability, is rich in foam, has moderate foam stability, and has the internal air holes in a communicated state, so that the filling shell 3 has good air permeability and high water permeability, cat urine can be quickly adsorbed to the inner shell 2 and the inner core 1, the diameter of the air bubbles is larger than the thickness of the filling shell 3, and therefore the filling shell 3 is internally provided with spherical space, two ends of the spherical space are respectively communicated with the outside and the inner shell 2, the spherical space can contain urine and a chromogenic mixture, the full reaction can be realized, the retention time is longer, and the retention effect is good.

The reason for the lower PH in cat urine may be: acidosis, diabetes, gout, acidic drugs, etc., the cause of the urine PH bias may be: alkalosis, cystitis, basic drugs, etc., whereas bromothymol blue forms a blue solution when exposed to an alkaline solution and a yellow solution when exposed to an acidic solution.

The possible cause of hematuria in cats: kidney disease, calculus, urinary system injury, etc., tetramethyl benzidine is a new chromogen reagent, blood trace detection effect is very good, compared with traditional chromogen reagent benzidine detection sensitivity is higher, stability is also better, catalase (CAT) is very high in concentration in animal livers and fresh blood, substances such as hemoglobin, CAT of heme, and hematophylline can activate hydrogen peroxide (generally added from the outside) to release nascent oxygen (O) with very strong oxidizing ability, and colorless tetramethyl benzidine is oxidized into blue-green tetramethyl benzidine under the influence of the nascent oxygen, so that blue-green color is developed.

The paste in S3 had a water content of 10% by weight.

A white pigment is added to the water-soluble film dissolved in step S5.

Comparative example 1

The only difference compared to example 3 is that the filled shell 3 contains no blowing agent and the remaining parameters and preparation method are the same as in example 3.

Comparative example 2

The only difference compared to example 3 is that the cat litter does not contain a water-soluble film, and the remaining parameters and preparation methods are the same as example 3.

The performance of the composite cat litter prepared in examples 1 to 5 was tested, the test results are shown in table 1, and

control groups

1 and 2 are set, wherein the control group 1 is common commercial diatomite cat litter, the main component is diatomite, the control group 2 is commercial urine test cat litter, and specifically is cat litter mixed with cat sha and sabina chinensis.

Table 1:

the method for detecting the agglomeration efficiency comprises the steps of adding 1000g of cat litter into a 2L cylindrical container, pouring 100g of water into each group of cat litter, and controlling the density of the water to be 1g/cm ³ Calculating, namely calculating the agglomeration efficiency according to the following formula: agglomeration efficiency = total mass of agglomerated/(1000 g-mass of non-agglomerated cat litter), mass of agglomerated cat litter water mass. Comparative example 2 can be seen as the preferred embodiment.

The color development degree is observed by naked eyes, 1-9 is sequentially observed, 1 is color development and cannot be observed, 9 is color development is most obvious, and the observation time is 5mi n after urine is poured. It can be seen that example 2 is the preferred example.

The antibacterial rate measuring method comprises the following steps: 1mL of a culture solution containing 1X 106cfu/mL of live escherichia coli is poured into 100g of cat litter prepared in examples 1-3 and comparative examples 1-2 respectively, and the cat litter is allowed to stand for 10 min; then respectively adding 1g cat litter into a culture medium of the escherichia coli, vibrating for 24 hours at the frequency of 100 times/min, diluting the solution after each group of vibration for 100 times, uniformly vibrating, respectively taking 1mL, pouring into ten identical agar plates for culturing for a period of time, recording the colony number of the escherichia coli of each group of corresponding ten plates, taking an average value, and calculating the number of the residual escherichia coli, thereby calculating the growth inhibition rate of the escherichia coli. Experiments were repeated three times for each group and averaged. The growth inhibition of staphylococcus aureus was determined by the same method and repeated three times. It can be seen that example 2 is the preferred example.

When the waterproof adhesive is used, the inner core with a pore structure is formed through diatomite, a first adhesive and volcanic rock, so that the waterproof adhesive has good water storage performance, bacteria can be prevented from growing in the urine which is absorbed by the antibacterial agent, the inner core is wrapped by the inner core, the inner core is formed by mixing bamboo fibers, wood dust, active alumina powder and a second adhesive, the inner core is prevented from loosening, meanwhile, the inner core can absorb water, the active alumina powder has strong water absorption performance, hydraulic property and can generate high-strength aluminum hydroxide gel through hydration reaction with water, the urine which is absorbed by the inner core is blocked, the pore is prevented from being oozed out, the shell can absorb water and is agglomerated after absorbing the urine, a chromogenic solution is filled in a hole of the shell, after absorbing the urine, the ph value or hidden blood is detected, the hole structure enables the urine of a cat which is more to be mixed to enable the reaction to be sufficiently obvious, the hole structure can maintain the health state of the cat through observation of the chromogenic reaction for a longer time, the water-soluble film can seal the surface of the cat, the chromogenic mixture is protected, and the shelf life is prolonged in a standby state.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The cat litter is characterized by being of a multi-layer core-shell structure and comprising:

an inner core, an inner shell and a filling shell;

2. The litter of claim 1 wherein the bacteriostat is a composite bacteriostat comprising: sodium fluoride, celastrus angulatus and benzyl alcohol.

3. The litter of claim 1 wherein the first binder and the second binder are structurally identical and are each a mixture of guar gum and xanthan gum.

4. The litter of claim 1 wherein said chromogenic mixture comprises tetramethylbenzidine;

the color development mixture also contains bromothymol blue.

5. The litter of claim 1 wherein the foaming agent is a vegetable foaming agent.

6. A method of preparing a cat food as claimed in any one of claims 1 to 5 comprising the steps of:

7. The cat litter and the method for producing the same according to claim 6, wherein the wood chips in S2 are pulverized so that the particle size of the wood chips is not more than 30 mesh.

8. The cat litter and its preparation method according to claim 6, wherein the paste-like water content in S3 is 5% -10%.

9. The cat litter and the preparation method thereof according to claim 6, wherein the drying mode of S4 and S5 is heating and blowing drying, and the drying process is light-proof, and the drying temperature is not more than 30 ℃.

10. The cat litter and its manufacturing method according to claim 6, wherein white pigment is added to the water-soluble film dissolved in the step S5.