CN113621314A - Solid polishing wax block based on modified rice bran wax and preparation method thereof - Google Patents
Solid polishing wax block based on modified rice bran wax and preparation method thereof Download PDFInfo
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- CN113621314A CN113621314A CN202110896118.7A CN202110896118A CN113621314A CN 113621314 A CN113621314 A CN 113621314A CN 202110896118 A CN202110896118 A CN 202110896118A CN 113621314 A CN113621314 A CN 113621314A
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- wax
- rice bran
- modified rice
- liquid
- bran wax
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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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C5/00—Candles
- C11C5/002—Ingredients
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention relates to the technical field of wax blocks, in particular to a solid polishing wax block based on modified rice bran wax and a preparation method thereof. The method is characterized by comprising the following raw materials: the wax comprises carnauba wax, first modified rice bran wax, second modified rice bran wax, chlorinated paraffin, metal complex dye and essence; the preparation method comprises the following steps: s1, weighing the palm wax and the first modified rice bran wax, heating until the wax is completely melted, keeping the temperature, and starting a stirrer for stirring; s2, weighing the second modified rice bran wax and the chlorinated paraffin, slowly heating, adding the metal complex dye when the wax is liquid, and stirring until the wax liquid is uniformly mixed; s3, adding the wax liquid obtained in the step S2 into the wax liquid obtained in the step S1, and stirring until the mixture is uniformly mixed; s4, adding essence; s5, slowly pouring the wax liquid into a mold at the same temperature when the temperature of the wax liquid is reduced to 80-90 ℃; s6, cooling the die to normal temperature; and S7, demolding, trimming by a hot knife, and packaging. Compared with the prior art, the polishing agent has high hardness, good brightness and strong polishing performance.
Description
Technical Field
The invention relates to the technical field of wax blocks, in particular to a solid polishing wax block based on modified rice bran wax and a preparation method thereof.
Background
Polishing is one of the common methods for surface treatment of objects, and aims to make the surface of the object have mirror gloss, so that the object can be beautified, and can be protected from being corroded by air, water vapor and the like, and the service life of the object can be prolonged.
Mechanical polishing is usually used in the polishing process, and manual polishing is used in rare cases. The mechanical polishing utilizes a polishing wheel and fine particles of polishing wax to cut and fill the surface of the leather product, so that the surface of the leather product presents mirror luster. However, both manual and mechanical polishing requires the use of polishing wax, and the difference is only the softness and hardness of the wax and the pursuit of the final effect.
The polishing wax used in the mechanical polishing mode can be applied to the industrial production of most leather products, but the problems of non-lasting brightness after polishing, poor brightness after polishing and the like can occur due to the uneven materials used, and the serious quality problems of poor flexing resistance, slurry cracking and the like can also occur in the use process of the leather products.
Disclosure of Invention
The invention provides a solid polishing wax block based on modified rice bran wax and a preparation method thereof, aiming at overcoming the defects of the prior art, and the solid polishing wax block has high hardness, good brightness and strong polishing performance.
In order to achieve the purpose, the solid polishing wax block based on the modified rice bran wax is designed, and is characterized by comprising the following raw materials in parts by weight: 40-50 parts of palm wax, 5-55 parts of first modified rice bran wax, 5-8 parts of second modified rice bran wax, 1-3 parts of chlorinated paraffin, 3-5 parts of metal complex dye and 1-2 parts of essence; the sum of the contents of all the components is 100 parts;
the preparation method comprises the following steps:
s1, weighing the carnauba wax and the first modified rice bran wax, heating to 110 ℃ until the wax is completely melted, keeping the temperature, starting a stirrer for stirring, wherein the rotating speed of the stirrer is 50-70 r/min;
s2, weighing second modified rice bran wax and chlorinated paraffin, slowly heating, adding metal complex dye when the wax is liquid, starting a stirrer, keeping the rotating speed at 80-100 r/min, heating to 90-100 ℃, and stirring for 30-40 min until the wax liquid is uniformly mixed;
s3, slowly adding the wax liquid obtained in the step S2 into the wax liquid obtained in the step S1, heating to 120-;
s4, slowly cooling under stirring, adding essence when the wax liquid is thickened, and continuously stirring and cooling;
s5, slowly pouring the wax liquid into a mold at the same temperature when the temperature of the wax liquid is reduced to 80-90 ℃;
s6, placing the mould filled with the wax into an oven or a drying room with the temperature stopped, and slowly cooling to the normal temperature;
and S7, demolding the mold cooled to the normal temperature, trimming by a hot knife, and packaging.
The preparation method of the first modified rice bran wax and the second modified rice bran wax comprises the following steps:
s11, adding concentrated sulfuric acid with the concentration of 75% into a first enamel reaction kettle, keeping the continuous heating state, adding rice bran wax into the first enamel reaction kettle, continuously heating the rice bran wax to 90-100 ℃ to melt the rice bran wax, slowly adding 35% hydrogen peroxide solution under the stirring state, continuously stirring for 12-14 hours under the constant temperature condition of 90-100 ℃ to completely oxidize the rice bran wax, naturally cooling the rice bran wax to light beige, standing for 1-3 hours to separate the wax from water, and discharging the water at the lower layer;
s12, heating the enamel reaction kettle to 90-100 ℃, re-melting the oxidized rice bran wax on the upper layer into liquid, adding water under stirring, continuously stirring for 30-40 minutes, standing for 1-3 hours, separating the wax and the water, and discharging the water on the lower layer;
s13, repeating the step S2 for 3-5 times, wherein the upper layer is the high-acid-value synthetic wax, and the lower layer is water recycled;
s14, mixing the high-acid-value synthetic wax with methyl isopropyl ketone, heating to a high-acid-value synthetic wax for complete dissolution, slowly cooling the mixed solution under continuous slow stirring to a constant temperature of 45-55 ℃, keeping the temperature for 30-40 minutes, and separating solid and liquid;
s15, vacuum distilling the solid to obtain high melting point synthetic wax;
s16, carrying out vacuum distillation on the liquid to obtain synthetic wax with a low melting point, wherein the distilled liquid is methyl isopropyl ketone and is reserved for subsequent recycling;
s17, putting the high-melting-point synthetic wax and the zinc oxide in the step S15 into a second enamel reaction kettle, heating to 150-160 ℃ to melt the high-melting-point synthetic wax, adding calcium oxide to react for 5-8 hours, and washing with water after the reaction is finished to obtain first modified rice bran wax;
s18, putting the low-melting-point synthetic wax and the zinc oxide in the step S16 into a third enamel reaction kettle, heating to 150-160 ℃ to melt the low-melting-point synthetic wax, adding high-molecular polyethylene glycol, reacting for 5-8 hours, slowly cooling to normal temperature after the reaction is finished, and filtering to obtain a second modified rice bran wax emulsion;
and S19, performing a powder blowing process on the second modified rice bran wax emulsion obtained in the step S18 to obtain solid second modified rice bran wax.
The mass ratio of the high acid number synthetic wax to the methyl isopropyl ketone in the step S14 is 1: 5.
In the step S17, the mass ratio of the high melting point synthetic wax to the zinc oxide is 100:1, and the mass ratio of the high melting point synthetic wax to the calcium oxide is 40: 1.
In step S18, the mass ratio of the low-melting synthetic wax to the zinc oxide is 100:1, and the mass ratio of the low-melting synthetic wax to the high-molecular polyethylene glycol is 100: 3.
The molecular weight of the high molecular polyethylene glycol in the step S18 is 400-600.
Compared with the prior art, the polishing agent has high hardness, good brightness and strong polishing performance.
Detailed Description
The first embodiment is as follows:
the polishing wax block of the embodiment comprises the following raw materials in parts by weight: 40 parts of carnauba wax, 47 parts of first modified rice bran wax, 5 parts of second modified rice bran wax, 3 parts of chlorinated paraffin, 4 parts of metal complex dye and 1 part of essence.
The method for preparing the polishing wax block by using the raw materials comprises the following steps:
s1, weighing the carnauba wax and the first modified rice bran wax, heating to 100 ℃, keeping the temperature when the wax is completely melted, and starting a stirrer to stir at the rotating speed of 50 revolutions per minute;
s2, weighing second modified rice bran wax and chlorinated paraffin, slowly heating, adding metal complex dye when the wax is liquid, starting a stirrer, keeping the rotating speed at 80 revolutions per minute, heating to 90 ℃, and stirring for 30 minutes until the wax liquid is uniformly mixed;
s3, slowly adding the wax liquid obtained in the step S2 into the wax liquid obtained in the step S1, heating to 120 ℃, increasing the rotating speed to 80 revolutions per minute, and stirring for 60 minutes at the temperature of 120 ℃ until the mixture is uniformly mixed;
s4, slowly cooling under stirring, adding essence when the wax liquid is thickened, and continuously stirring and cooling;
s5, slowly pouring the wax liquid into a mold at the same temperature when the temperature of the wax liquid is reduced to 80 ℃;
s6, placing the mould filled with the wax into an oven or a drying room with the temperature stopped, and slowly cooling to the normal temperature;
and S7, demolding the mold cooled to the normal temperature, trimming by a hot knife, and packaging.
Among them, palm wax has a good polishing property, and provides a good gloss to the polishing wax block of the present invention.
The chlorinated paraffin can give the leather surface an oily luster.
The preparation process of the first modified rice bran wax in the step S1 and the second modified rice bran wax in the step S2 comprises the following steps:
s11, adding 500kg of natural rice bran wax into a first enamel reaction kettle filled with 2200ml of concentrated sulfuric acid with concentration of 75% in a heating state, continuously heating the rice bran wax to 90 ℃ to melt the rice bran wax, slowly adding 5000ml of hydrogen peroxide solution with concentration of 35% in a stirring state, continuously stirring for 12 hours at a constant temperature of 90 ℃ to completely oxidize the rice bran wax, wherein the color of the rice bran wax is changed into light beige, naturally cooling, standing for 1 hour to separate the wax from water, and discharging the lower layer of water;
s12, heating the enamel reaction kettle to 90 ℃, re-melting the oxidized rice bran wax on the upper layer into liquid, adding water under stirring, continuously stirring for 30 minutes, standing for 1 hour, separating the wax and the water, and discharging the water on the lower layer;
s13, repeating the step S1 for 3-5 times, wherein the upper layer is the high-acid-value synthetic wax, and the lower layer is water recycled;
s14, mixing the high-acid-value synthetic wax with methyl isopropyl ketone, heating to a high-acid-value synthetic wax to be completely dissolved, slowly cooling the mixed solution under continuous slow stirring to a constant temperature of 45 ℃, keeping the temperature for 30 minutes, and separating solid and liquid;
s15, vacuum distilling the solid to obtain high melting point synthetic wax;
s16, carrying out vacuum distillation on the liquid to obtain synthetic wax with a low melting point, wherein the distilled liquid is methyl isopropyl ketone and is reserved for subsequent recycling;
s17, putting 200kg of high-melting-point synthetic wax and 2kg of zinc oxide into a second enamel reaction kettle, heating to 150 ℃ to melt the high-melting-point synthetic wax, adding 5kg of calcium oxide for reaction for 5-8 hours, and washing with water after the reaction is finished to obtain first modified rice bran wax;
s18, putting 200kg of low-melting-point synthetic wax and 2kg of zinc oxide into a fourth enamel reaction kettle, heating to 150 ℃ to melt the low-melting-point synthetic wax, adding 6kg of high-molecular polyethylene glycol with the molecular weight of 400, reacting for 5-8 hours, slowly cooling to normal temperature after the reaction is finished, and filtering to obtain a second modified rice bran wax emulsion;
and S19, performing a powder blowing process on the second modified rice bran wax emulsion obtained in the step S18 to obtain solid second modified rice bran wax.
The methyl isopropyl ketone in the step S14 is an easily obtained organic solvent, the boiling point of the methyl isopropyl ketone is 79.6 ℃, and the melting point of the methyl isopropyl ketone is matched with the melting point of the rice bran wax after acidification modification; the dissolving power is excellent, and the dissolving power is strong for the intermediate after the rice bran wax acidification modification; the intermediate before modification of the rice bran wax is dissolved in the methyl isopropyl ketone to be very stable, and the problems of decomposition, coking and the like can not be generated at high temperature; because the boiling point of the methyl isopropyl ketone is lower, the methyl isopropyl ketone is easier to remove in the vacuum distillation processes of the steps S15 and S16, the residue is less, and the influence on the synthetic wax is less.
In step S14, the high melting point synthetic wax precipitated in a solid state at 45 ℃ and the low melting point synthetic wax continued to exist in a solution state. After the wax is distinguished by melting points, high-melting point synthetic wax and low-melting point synthetic wax with different brightness and properties are obtained.
The high-melting-point synthetic wax has high brightness, and the brightness can be enhanced again through subsequent synthetic treatment on the basis to prepare the high-melting-point, high-hardness and high-brightness synthetic wax without causing uncontrollable or inconspicuous brightness improvement of a final product due to interference of the low-melting-point wax.
The self-emulsifying synthetic wax prepared by subsequent treatment of the low-melting-point synthetic wax has stable self-emulsifying performance and can not cause incomplete emulsification due to the existence of the high-melting-point wax with limited self-emulsifying performance.
In step S17, the high melting point synthetic wax undergoes saponification with calcium oxide under the catalytic action of zinc oxide to obtain the first modified rice bran wax with high hardness, good polishing performance and high gloss. The first modified rice bran wax provides good polishing performance for the finally obtained polishing wax block.
In step S18, the low melting point synthetic wax and the high molecular polyethylene glycol undergo a dehydration esterification reaction under the catalytic action of zinc oxide, so as to obtain a second modified rice bran wax emulsion with self-emulsifying property, and the second modified rice bran wax emulsion is soft and smooth in luster. The second modified rice bran wax provides good emulsifying properties to the resulting polished wax block of the present invention.
The polishing wax block obtained by the invention has the characteristics of high hardness, good brightness and strong polishing performance, and the gloss obtained by polishing is more obvious and outstanding.
The polishing wax block obtained by the invention is generally used for the end of the post-treatment process of shoe making, a mechanical device is used for driving soft intermediates such as cloth wheels, wool wheels and the like to uniformly throw and fill the solid wax block on the vamp, and the solid luster of the polishing wax block is stimulated through the high-speed operation of the machine.
Claims (6)
1. A solid polishing wax block based on modified rice bran wax is characterized by comprising the following raw materials in parts by weight: 40-50 parts of palm wax, 5-55 parts of first modified rice bran wax, 5-8 parts of second modified rice bran wax, 1-3 parts of chlorinated paraffin, 3-5 parts of metal complex dye and 1-2 parts of essence; the sum of the contents of all the components is 100 parts;
the preparation method comprises the following steps:
s1, weighing the carnauba wax and the first modified rice bran wax, heating to 110 ℃ until the wax is completely melted, keeping the temperature, starting a stirrer for stirring, wherein the rotating speed of the stirrer is 50-70 r/min;
s2, weighing second modified rice bran wax and chlorinated paraffin, slowly heating, adding metal complex dye when the wax is liquid, starting a stirrer, keeping the rotating speed at 80-100 r/min, heating to 90-100 ℃, and stirring for 30-40 min until the wax liquid is uniformly mixed;
s3, slowly adding the wax liquid obtained in the step S2 into the wax liquid obtained in the step S1, heating to 120-;
s4, slowly cooling under stirring, adding essence when the wax liquid is thickened, and continuously stirring and cooling;
s5, slowly pouring the wax liquid into a mold at the same temperature when the temperature of the wax liquid is reduced to 80-90 ℃;
s6, placing the mould filled with the wax into an oven or a drying room with the temperature stopped, and slowly cooling to the normal temperature;
and S7, demolding the mold cooled to the normal temperature, trimming by a hot knife, and packaging.
2. The solid polishing wax block based on modified rice bran wax and the preparation method thereof as claimed in claim 1, wherein: the preparation method of the first modified rice bran wax and the second modified rice bran wax comprises the following steps:
s11, adding concentrated sulfuric acid with the concentration of 75% into a first enamel reaction kettle, keeping the continuous heating state, adding rice bran wax into the first enamel reaction kettle, continuously heating the rice bran wax to 90-100 ℃ to melt the rice bran wax, slowly adding 35% hydrogen peroxide solution under the stirring state, continuously stirring for 12-14 hours under the constant temperature condition of 90-100 ℃ to completely oxidize the rice bran wax, naturally cooling the rice bran wax to light beige, standing for 1-3 hours to separate the wax from water, and discharging the water at the lower layer;
s12, heating the enamel reaction kettle to 90-100 ℃, re-melting the oxidized rice bran wax on the upper layer into liquid, adding water under stirring, continuously stirring for 30-40 minutes, standing for 1-3 hours, separating the wax and the water, and discharging the water on the lower layer;
s13, repeating the step S2 for 3-5 times, wherein the upper layer is the high-acid-value synthetic wax, and the lower layer is water recycled;
s14, mixing the high-acid-value synthetic wax with methyl isopropyl ketone, heating to a high-acid-value synthetic wax for complete dissolution, slowly cooling the mixed solution under continuous slow stirring to a constant temperature of 45-55 ℃, keeping the temperature for 30-40 minutes, and separating solid and liquid;
s15, vacuum distilling the solid to obtain high melting point synthetic wax;
s16, carrying out vacuum distillation on the liquid to obtain synthetic wax with a low melting point, wherein the distilled liquid is methyl isopropyl ketone and is reserved for subsequent recycling;
s17, putting the high-melting-point synthetic wax and the zinc oxide in the step S15 into a second enamel reaction kettle, heating to 150-160 ℃ to melt the high-melting-point synthetic wax, adding calcium oxide to react for 5-8 hours, and washing with water after the reaction is finished to obtain first modified rice bran wax;
s18, putting the low-melting-point synthetic wax and the zinc oxide in the step S16 into a third enamel reaction kettle, heating to 150-160 ℃ to melt the low-melting-point synthetic wax, adding high-molecular polyethylene glycol, reacting for 5-8 hours, slowly cooling to normal temperature after the reaction is finished, and filtering to obtain a second modified rice bran wax emulsion;
and S19, performing a powder blowing process on the second modified rice bran wax emulsion obtained in the step S18 to obtain solid second modified rice bran wax.
3. The solid polishing wax block based on modified rice bran wax and the preparation method thereof as claimed in claim 2, wherein: the mass ratio of the high acid number synthetic wax to the methyl isopropyl ketone in the step S14 is 1: 5.
4. The solid polishing wax block based on modified rice bran wax and the preparation method thereof as claimed in claim 2, wherein: in the step S17, the mass ratio of the high melting point synthetic wax to the zinc oxide is 100:1, and the mass ratio of the high melting point synthetic wax to the calcium oxide is 40: 1.
5. The solid polishing wax block based on modified rice bran wax and the preparation method thereof as claimed in claim 2, wherein: in step S18, the mass ratio of the low-melting synthetic wax to the zinc oxide is 100:1, and the mass ratio of the low-melting synthetic wax to the high-molecular polyethylene glycol is 100: 3.
6. The solid polishing wax block based on modified rice bran wax and the preparation method thereof as claimed in claim 2, wherein: the molecular weight of the high molecular polyethylene glycol in the step S18 is 400-600.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896118.7A CN113621314A (en) | 2021-08-05 | 2021-08-05 | Solid polishing wax block based on modified rice bran wax and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896118.7A CN113621314A (en) | 2021-08-05 | 2021-08-05 | Solid polishing wax block based on modified rice bran wax and preparation method thereof |
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| CN113621314A true CN113621314A (en) | 2021-11-09 |
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| CN202110896118.7A Pending CN113621314A (en) | 2021-08-05 | 2021-08-05 | Solid polishing wax block based on modified rice bran wax and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106916632A (en) * | 2017-02-21 | 2017-07-04 | 大连达伦特工艺品有限公司 | A kind of rice bran candle and preparation method thereof |
| CN108191602A (en) * | 2018-01-02 | 2018-06-22 | 重庆合才化工有限公司 | A kind of rice bran cerinic acid calcium soap wax and preparation method thereof |
-
2021
- 2021-08-05 CN CN202110896118.7A patent/CN113621314A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106916632A (en) * | 2017-02-21 | 2017-07-04 | 大连达伦特工艺品有限公司 | A kind of rice bran candle and preparation method thereof |
| CN108191602A (en) * | 2018-01-02 | 2018-06-22 | 重庆合才化工有限公司 | A kind of rice bran cerinic acid calcium soap wax and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 马建中等: "《皮革化学品的合成原理与应用技术》", 31 August 2009, 中国轻工业出版社 * |
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Application publication date: 20211109 |