CN112409931A - Noiseless wax-penetrating polishing treatment agent and preparation method thereof - Google Patents
Noiseless wax-penetrating polishing treatment agent and preparation method thereof Download PDFInfo
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- CN112409931A CN112409931A CN202011300612.4A CN202011300612A CN112409931A CN 112409931 A CN112409931 A CN 112409931A CN 202011300612 A CN202011300612 A CN 202011300612A CN 112409931 A CN112409931 A CN 112409931A
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- wax
- polishing treatment
- treatment agent
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- nitrocellulose
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/06—Other polishing compositions
- C09G1/08—Other polishing compositions based on wax
- C09G1/10—Other polishing compositions based on wax based on mixtures of wax and natural or synthetic resin
- C09G1/12—Other polishing compositions based on wax based on mixtures of wax and natural or synthetic resin mixtures of wax and silicon-containing polycondensates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
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- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a noiseless wax-penetrating polishing treatment agent, which belongs to the technical field of synthetic leather treatment agents and comprises polyurethane resin, 1/16 nitrocellulose, cellulose acetate butyrate, silicon dioxide matting agent, dispersing agent, acetyl tributyl citrate, diisodecyl phthalate, polyether modified siloxane, oxidized castor oil, wax powder and solvent. The invention also discloses a preparation method of the noiseless wax polishing treatment agent. The noiseless wax-transparent polishing treatment agent is used for treating artificial leather, can obviously reduce the sound generated during leather friction, achieves the noiseless effect, improves the leather-imitated effect of the obtained synthetic leather, and improves the use experience of users; the preparation method can ensure that the raw materials are uniformly dispersed, the agglomeration problem is not easy to occur, the property is stable in the storage process, and the obtained polishing treatment agent has glossy synthetic leather surface after being applied and has a wax-permeable feeling.
Description
Technical Field
The invention belongs to the technical field of synthetic leather treatment agents, and particularly relates to a noiseless wax-permeable polishing treatment agent and a preparation method thereof.
Background
The synthetic leather is a material which is made of resin and has uniform structure, hand feeling and performance and similar to natural leather. With the improvement of living standard and demand of human materials and the enhancement of animal protection consciousness, synthetic leather is applied more and more to replace natural leather, and the synthetic leather is widely used at present in the fields of shoes, clothes, cases, furniture, home interior, automobile interior, building devices and the like. In the preparation process of the synthetic leather, in order to meet different requirements, the synthetic leather can be treated by a polishing agent. The polishing agent for the synthetic leather is a finishing agent for the leather surface of the synthetic leather, can improve the properties of the synthetic leather such as hand feeling, color, luster, permeability and the like, can also play a role in protecting the leather surface, and improves the properties of the synthetic leather such as waterproofness, abrasive resistance and the like. However, the synthetic leather treated by the polishing agent has the problems of surface friction and noise in kneading, so that the leather-imitated effect of the synthetic leather product is influenced, and the use feeling of a user is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problems to be solved by the invention are as follows: how to improve the problem that synthetic leather has sound when being rubbed and kneaded after being treated by the polishing treatment agent, and provides a noiseless wax-permeable polishing treatment agent and a preparation method thereof.
In order to solve the technical problems, the invention adopts the technical scheme that: the noiseless wax-penetrating polishing treatment agent comprises the following components in percentage by weight: 12-16% of polyurethane resin, 4-8% of 1/16 nitrocellulose, 1-2% of cellulose acetate butyrate, 4-5% of silicon dioxide matting powder, 0.3-0.5% of dispersant, 2-4% of acetyl tributyl citrate, 1-1.5% of diisodecyl phthalate, 1-2% of polyether modified siloxane, 1-2% of oxidized castor oil, 0.5-1% of wax powder and the balance of solvent;
the mass ratio of the 1/16 nitrocellulose to the cellulose acetate butyrate is 4: 1.
The other technical scheme adopted by the invention is as follows: a preparation method of a noiseless wax-penetrating polishing treatment agent comprises the following steps:
step 1, mixing and uniformly dispersing polyurethane resin, 1/16 nitrocellulose, cellulose acetate butyrate and 80% of solvent to obtain a first system;
step 2, adding silicon dioxide matting powder and a dispersing agent into the first system obtained in the step 1 under the stirring condition, and uniformly dispersing to obtain a second system;
and 3, adding acetyl tributyl citrate, diisodecyl phthalate, polyether modified siloxane, oxidized castor oil, wax powder and the rest solvent into the second system obtained in the step 2, and uniformly dispersing.
The paint comprises the following components in percentage by weight: 12-16% of polyurethane resin, 4-8% of 1/16 nitrocellulose, 1-2% of cellulose acetate butyrate, 4-5% of silicon dioxide matting powder, 0.3-0.5% of dispersant, 2-4% of acetyl tributyl citrate, 1-1.5% of diisodecyl phthalate, 1-2% of polyether modified siloxane, 1-2% of oxidized castor oil, 0.5-1% of wax powder and the balance of solvent;
the mass ratio of the 1/16 nitrocellulose to the cellulose acetate butyrate is 4: 1.
The invention has the beneficial effects that: according to the invention, 1/16 nitrocellulose and cellulose acetate butyrate are matched according to a certain proportion to replace the traditional nitrocellulose, and polyether modified siloxane, oxidized castor oil and wax powder are added simultaneously, so that the sound generated during leather friction can be obviously reduced, the noiseless effect is achieved, the effect of the obtained synthetic leather imitated leather is improved, the use experience of a user is improved, and meanwhile, the treated synthetic leather has higher glossiness; according to the processing method of the noiseless wax-permeable polishing treatment agent, the dispersion speed is strictly controlled, the feeding sequence is adjusted, the raw materials can be uniformly dispersed, the agglomeration problem is not easy to occur, the property is stable in the storage process, and the synthetic leather surface is glossy and has a wax-permeable feeling after the polishing treatment agent is applied.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description will be given with reference to the embodiments.
The invention provides a noiseless wax-penetrating polishing treatment agent which comprises the following components in percentage by weight: 12-16% of polyurethane resin, 4-8% of 1/16 nitrocellulose, 1-2% of cellulose acetate butyrate, 4-5% of silicon dioxide matting powder, 0.3-0.5% of dispersant, 2-4% of acetyl tributyl citrate, 1-1.5% of diisodecyl phthalate, 1-2% of polyether modified siloxane, 1-2% of oxidized castor oil, 0.5-1% of wax powder and the balance of solvent;
the mass ratio of the 1/16 nitrocellulose to the cellulose acetate butyrate is 4: 1.
From the above description, the beneficial effects of the present invention are: according to the invention, 1/16 nitrocellulose and cellulose acetate butyrate are matched according to a certain proportion to replace the traditional nitrocellulose, and polyether modified siloxane, oxidized castor oil and wax powder are simultaneously added, so that the sound generated during leather friction can be obviously reduced, the noiseless effect is achieved, the effect of the obtained synthetic leather imitated leather is improved, the use experience of a user is improved, and meanwhile, the treated synthetic leather has higher glossiness.
Further, the noiseless wax-penetrating polishing treatment agent comprises the following components in percentage by weight: 15% of polyurethane resin, 6% of 1/16 nitrocellulose, 1.5% of cellulose acetate butyrate, 5% of silica matting powder, 0.2% of dispersant, 2% of acetyl tributyl citrate, 1% of diisodecyl phthalate, 2% of polyether modified siloxane, 2% of oxidized castor oil, 1% of wax powder and the balance of solvent.
Further, the solvent is prepared from a raw material with a mass ratio of 2: 2: 0.8-1 of cyclohexanone, butyl acetate and ethyl acetate.
Further, the mass ratio of the polyether modified siloxane to the oxidized castor oil to the wax powder is 2: 2: 1.
further, the dispersant is DISPERS 687.
As can be seen from the above description, the mixture ratio of the above components is determined to be the optimal mixture ratio after single factor experiments.
The invention provides a preparation method of a noiseless wax polishing treatment agent, which comprises the following steps:
step 1, mixing and uniformly dispersing polyurethane resin, 1/16 nitrocellulose, cellulose acetate butyrate and 80% of solvent to obtain a first system;
step 2, adding silicon dioxide matting powder and a dispersing agent into the first system obtained in the step 1 under the stirring condition, and uniformly dispersing to obtain a second system;
and 3, adding acetyl tributyl citrate, diisodecyl phthalate, polyether modified siloxane, oxidized castor oil, wax powder and the rest solvent into the second system obtained in the step 2, and uniformly dispersing.
The paint comprises the following components in percentage by weight: 12-16% of polyurethane resin, 4-8% of 1/16 nitrocellulose, 1-2% of cellulose acetate butyrate, 4-5% of silicon dioxide matting powder, 0.3-0.5% of dispersant, 2-4% of acetyl tributyl citrate, 1-1.5% of diisodecyl phthalate, 1-2% of polyether modified siloxane, 1-2% of oxidized castor oil, 0.5-1% of wax powder and the balance of solvent;
the mass ratio of the 1/16 nitrocellulose to the cellulose acetate butyrate is 4: 1.
From the above description, the beneficial effects of the present invention are: according to the processing method of the noiseless wax-permeable polishing treatment agent, the dispersion speed is strictly controlled, the feeding sequence is adjusted, the raw materials can be uniformly dispersed, the agglomeration problem is not easy to occur, the property is stable in the storage process, and the synthetic leather surface is glossy and has a wax-permeable feeling after the polishing treatment agent is applied.
Further, the dispersing speed in the step 1 is 1000 r/min; the stirring speed in the step 2 is 600r/min, and the dispersing speed in the step 2 is 1800 r/min; the dispersing speed in the step 3 is 1200 r/min.
According to the description, the dispersing speed of the stirring and dispersing obviously influences the dispersing effect of the obtained treating agent, the dispersing effect of each component is optimal at the speed by adjusting different steps, the raw materials are not easy to agglomerate, and the obtained finished product is stable after being stored for six months in a sealed manner at normal temperature.
Example (b):
the compositions of the silent wax clear polish treatment agents of examples 1-4 are shown in Table 1.
TABLE 1
| Example 1 | Example 2 | Example 3 | Example 4 | |
| Polyurethane resin (kg) | 15 | 12 | 16 | 14 |
| 1/16 Nitrocellulose (kg) | 6 | 4 | 8 | 8 |
| Cellulose acetate butyrate (kg) | 1.5 | 1 | 1 | 1 |
| Silicon dioxide matting agent (kg) | 5 | 4 | 5 | 5 |
| DISPERS 687(kg) | 0.5 | 0.3 | 0.5 | 0.5 |
| Acetyl tributyl citrate (kg) | 3 | 2 | 3 | 4 |
| Diisodecyl phthalate (kg) | 1.5 | 1.2 | 1.5 | 1 |
| Polyether modified siloxane (kg) | 2 | 2 | 2 | 1 |
| Oxidized castor oil (kg) | 2 | 2 | 2 | 1 |
| Wax powder (kg) | 1 | 1 | 1 | 0.5 |
| Cyclohexanone (kg) | 25 | 28.2 | 25 | 25.6 |
| Butyl acetate (kg) | 25 | 28.2 | 25 | 25.6 |
| Ethyl acetate (kg) | 12.5 | 14.1 | 10 | 12.8 |
The preparation method of the silent wax polishing treatment agent of the embodiment 1 specifically comprises the following steps:
step 1, mixing polyurethane resin, 1/16 nitrocellulose, cellulose acetate butyrate and 80% of solvent, and uniformly dispersing at normal temperature and normal pressure at 1000r/min to obtain a first system;
step 2, adjusting the rotating speed of 1000r/min to 600r/min at normal temperature and normal pressure, adding silicon dioxide matting powder and a dispersing agent into the first system in the step 1 under the stirring condition of 600r/min, and then uniformly dispersing at 1800r/min at normal temperature and normal pressure to obtain a second system;
and 3, adding acetyl tributyl citrate, diisodecyl phthalate, polyether modified siloxane, oxidized castor oil, wax powder and the rest solvent into the second system obtained in the step 2, and uniformly dispersing at the normal temperature and the normal pressure at 1200 r/min.
Examples 2-4 the silent wax clear polishing treatment agents were prepared in the same manner as in example 1.
Comparative example:
the compositions of the polishing treatment agents of comparative examples 1 to 4 are shown in Table 2.
TABLE 2
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 | |
| Polyurethane resin (kg) | 15 | 15 | 15 | 15 | 15 | 15 |
| 1/16 Nitrocellulose (kg) | 7.5 | / | / | 6 | 6 | 6 |
| 1/4 Nitrocellulose (kg) | / | 6 | / | / | / | / |
| 1/2 Nitrocellulose (kg) | / | / | 6 | / | / | / |
| Cellulose acetate butyrate (kg) | / | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Silicon dioxide matting agent (kg) | 5 | 5 | 5 | 5 | 5 | 5 |
| DISPERS 687(kg) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Acetyl tributyl citrate (kg) | 3 | 3 | 3 | 3 | 3 | 3 |
| Diisodecyl phthalate (kg) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Polyether modified siloxane (kg) | 2 | 2 | 2 | 5 | / | / |
| Oxidized castor oil (kg) | 2 | 2 | 2 | / | 5 | / |
| Wax powder (kg) | 1 | 1 | 1 | / | / | 5 |
| Cyclohexanone (kg) | 25 | 25 | 25 | 25 | 25 | 25 |
| Butyl acetate (kg) | 25 | 25 | 25 | 25 | 25 | 25 |
| Ethyl acetate (kg) | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 |
Purchasing commercially available black polyurethane synthetic leather (synthetic leather for short) with the thickness of 5mm, respectively adopting the polishing treatment agents of examples 1-4 and comparative examples 1-6 to match with polishing rollers to polish the leather surface of the synthetic leather, wherein each treatment agent is used for treating three pieces of synthetic leather respectively, and the polishing treatment lasts for 12 hours;
meanwhile, 3 black polyurethane synthetic leathers which are not treated by the polishing agent are taken as a blank group, each synthetic leather is folded in half and kneaded in sequence, a decibel tester (Shanghai physiological sound NL-52) is placed beside the black polyurethane synthetic leather (the distance is 30cm), the noise generated by friction is measured, the test results of the three synthetic leathers are averaged, the result is shown in table 3, and meanwhile, a glossiness tester YG60 is adopted to test the glossiness of the leather surface of the synthetic leather, and the result is shown in table 3.
TABLE 3
| Group of | Decibel | Degree of gloss | Group of | Decibel | Degree of gloss |
| Blank group | 43.33 | 24.00 | Comparative example 1 | 36.67 | 42.67 |
| Example 1 | 15.00 | 47.67 | Comparative example 2 | 37.67 | 40.33 |
| Example 2 | 19.00 | 45.00 | Comparative example 3 | 40.67 | 39.00 |
| Example 3 | 18.67 | 47.33 | Comparative example 4 | 30.33 | 44.00 |
| Example 4 | 17.33 | 46.00 | Comparative example 5 | 32.00 | 43.33 |
| / | / | / | Comparative example 6 | 33.33 | 43.67 |
As can be seen from Table 3, the specific selection of 1/16 nitrocellulose for use with cellulose acetate butyrate and the simultaneous addition of polyether modified siloxane, oxidized castor oil and wax powder can significantly improve the problem of sound generation after friction of the treated synthetic leather.
In conclusion, 1/16 nitrocellulose and cellulose acetate butyrate are adopted to replace the traditional nitrocellulose according to a certain proportion, polyether modified siloxane, oxidized castor oil and wax powder are added simultaneously, so that the sound generated during leather friction can be reduced remarkably, the noiseless effect is achieved, the effect of the obtained synthetic leather imitating the leather is improved, the use experience of a user is improved, and meanwhile, the treated synthetic leather has higher glossiness; according to the processing method of the noiseless wax-permeable polishing treatment agent, the dispersion speed is strictly controlled, the feeding sequence is adjusted, the raw materials can be uniformly dispersed, the agglomeration problem is not easy to occur, the property is stable in the storage process, and the synthetic leather surface is glossy and has a wax-permeable feeling after the polishing treatment agent is applied.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or directly or indirectly applied to the related technical field are included in the scope of the present invention.
Claims (7)
1. The noiseless wax-penetrating polishing treatment agent is characterized by comprising the following components in percentage by weight: 12-16% of polyurethane resin, 4-8% of 1/16 nitrocellulose, 1-2% of cellulose acetate butyrate, 4-5% of silicon dioxide matting powder, 0.3-0.5% of dispersant, 2-4% of acetyl tributyl citrate, 1-1.5% of diisodecyl phthalate, 1-2% of polyether modified siloxane, 1-2% of oxidized castor oil, 0.5-1% of wax powder and the balance of solvent;
the mass ratio of the 1/16 nitrocellulose to the cellulose acetate butyrate is 4: 1.
2. The silent wax clear polishing treatment agent according to claim 1, which comprises the following components in percentage by weight: 15% of polyurethane resin, 6% of 1/16 nitrocellulose, 1.5% of cellulose acetate butyrate, 5% of silica matting powder, 0.5% of dispersing agent, 3% of acetyl tributyl citrate, 1.5% of diisodecyl phthalate, 2% of polyether modified siloxane, 2% of oxidized castor oil, 1% of wax powder and the balance of solvent.
3. The silent wax polishing treatment agent according to claim 1, wherein the solvent is prepared from a mixture of solvents consisting of, by mass, 2: 2: 0.8-1 of cyclohexanone, butyl acetate and ethyl acetate.
4. The silent wax-penetrating polishing treatment agent according to claim 1, wherein the mass ratio of the polyether-modified siloxane to the oxidized castor oil to the wax powder is 2: 2: 1.
5. the silent wax clear polishing treatment according to claim 1, wherein the dispersant is DISPERS 687.
6. A method for preparing the silent wax polishing treatment agent according to any one of claims 1 to 5, characterized by comprising the steps of:
step 1, mixing and uniformly dispersing polyurethane resin, 1/16 nitrocellulose, cellulose acetate butyrate and 80% of solvent to obtain a first system;
step 2, adding silicon dioxide matting powder and a dispersing agent into the first system obtained in the step 1 under the stirring condition, and uniformly dispersing to obtain a second system;
and 3, adding acetyl tributyl citrate, diisodecyl phthalate, polyether modified siloxane, oxidized castor oil, wax powder and the rest solvent into the second system obtained in the step 2, and uniformly dispersing.
7. The method of claim 6, wherein the dispersion speed in step 1 is 1000 r/min; the stirring speed in the step 2 is 600r/min, and the dispersing speed in the step 2 is 1800 r/min; the dispersing speed in the step 3 is 1200 r/min.
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| CN112409931B (en) | 2021-09-17 |
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