Preparation method of automobile surface polishing agent

A technology for automobile surface and polishing agent, which is applied in the field of preparation of automobile surface polishing agent, can solve the problem that the wax film is difficult to ensure the uniformity and polishing of coating, and achieves the effects of low production cost, simple preparation process and good stability.

Inactive Publication Date: 2015-12-23
高大元
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem mainly solved by the present invention: Although the polished wax film can improve the brightness and luster of the automobile topcoat, it is difficult for almost all wax films to ensure the uniformity and durability of the coating. To solve the problem of repeated polishing, a preparation method of automobile surface polishing agent is provided. The present invention first prepares chloroplatinic acid-isopropanol catalytic solution and adds it dropwise in α-decene for reaction, and then decompresses after the reaction Distillation to obtain methyl long-chain alkyl siloxane, using carnauba wax and beeswax as raw materials, adding methyl long-chain alkyl siloxane and triethanolamine in a molten state to obtain a semi-finished polishing agent, and then mixing the semi-finished product with castor oil, Dehydrated alcohol is mixed, and adding sodium dodecylbenzenesulfonate and sodium tetraborate can make a kind of automobile surface polishing agent, and the polishing agent that the present invention makes has the anti-rust anti-corrosion of increasing brightness, good stability, The advantage of being easy to wipe, and the polishing agent is non-toxic and harmless, the source of raw materials for preparation is convenient, the preparation process is simple, and the production cost is low. It is suitable for daily car maintenance and has industrial production value.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0023] 10. First weigh 1g of chloroplatinic acid and put it into a 100mL beaker, then measure 20mL of isopropanol and pour it into the beaker, stir evenly with a glass rod, so that chloroplatinic acid is completely dissolved in isopropanol, and prepare chloroplatinic acid-isopropyl alcohol Alcohol catalytic solution, spare; take a glass column with a diameter of 20mm and a length of 600mm, fill it with activated alumina, and then pass 500mLα-decene through the activated alumina glass at a rate of 40mL / h under nitrogen protection column to obtain pretreated colorless α-decene; add 20 g of pretreated α-decene to a magnetically stirred glass reactor, fill it with nitrogen, and move it into a water bath to raise the temperature to 65 ° C. Add 20g of hydrogen-containing silicone oil dropwise, control the dropping rate so that it will be dropped within 60min, then continue to heat up to 105°C, add dropwise 5mL of the chloroplatinic acid-isopropanol catalytic solution prepared above,...

example 2

[0026] 12. First weigh 1.5g of chloroplatinic acid and put it into a 100mL beaker, then pour 30mL of isopropanol into the beaker, stir evenly with a glass rod, and completely dissolve chloroplatinic acid in isopropanol to prepare chloroplatinic acid-isopropanol Propanol catalytic solution, spare; take a glass column with a diameter of 20mm and a length of 600mm, fill it with activated alumina, and then pass 550mLα-decene through activated alumina at a rate of 40mL / h under nitrogen protection Glass column to obtain pretreated colorless α-decene; add 23g of pretreated α-decene to the magnetic stirring glass reactor, and fill it with nitrogen, move it into a water bath and heat up to 68°C, Add 23g of hydrogen-containing silicone oil drop by drop, control the dropping speed so that it will be dropped within 65min, then continue to heat up to 108°C, add dropwise 7.5mL of the chloroplatinic acid-isopropanol catalytic solution prepared above, stir evenly with a glass rod and Continu...

example 3

[0029] 13. First weigh 2g of chloroplatinic acid into a 100mL beaker, then measure 40mL of isopropanol into the beaker, stir evenly with a glass rod, completely dissolve chloroplatinic acid in isopropanol, and prepare chloroplatinic acid-isopropyl alcohol Alcohol catalytic solution, spare; take a glass column with a diameter of 20mm and a length of 600mm, fill it with activated alumina, and then pass 600mLα-decene through the activated alumina glass at a rate of 40mL / h under nitrogen protection column to obtain pretreated colorless α-decene; add 25g of pretreated α-decene to a magnetically stirred glass reactor, fill it with nitrogen, move it into a water bath and raise the temperature to 75°C, gradually Add 25g of hydrogen-containing silicone oil dropwise, control the dropping rate so that it will be dropped within 70min, then continue to heat up to 110°C, add dropwise 10mL of the chloroplatinic acid-isopropanol catalytic solution prepared above, stir evenly with a glass rod ...

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PUM

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Abstract

The invention discloses a preparation method of an automobile surface polishing agent, belonging to the field of automobiles. The method comprises the following steps: preparing a chloroplatinic acid-isopropanol catalytic solution, dropwisely adding into alpha-decene to react, and carrying out reduced pressure distillation to obtain methyl long-chain alkylsiloxane; by using carnauba wax and beeswax as raw materials, adding the methyl long-chain alkylsiloxane and triethanolamine in the molten state to obtain a polishing agent semifinished product; and mixing the semifinished product with castor oil and anhydrous ethanol, and adding sodium dodecyl benzene sulfonate and sodium borate to obtain the automobile surface polishing agent. The polishing agent disclosed by the invention can enhance the brightness, has the advantages of rust and corrosion resistance, favorable stability, no toxicity or harm, convenient raw material sources, simple preparation technique and low production cost, is easy for wiping and suitable for daily automobile maintenance, and has industrial production value.

Description

technical field [0001] The invention discloses a preparation method of an automobile surface polishing agent, which belongs to the field of automobiles. Background technique [0002] The surface coating of the automobile body endows the automobile with a beautiful appearance and excellent protection performance, which can improve the use value of the automobile and prolong its service life. Because the environment in which a car is used as a means of transportation is very complicated, it not only has to withstand the tests of heat, cold, wind, sun, and rain, but also has to bear the damage of dust, exhaust gas, fuel, road asphalt, mud, and mechanical rubbing. It is said that the service life of the car coating can be close to the service life of the car under good maintenance and normal maintenance, and the car body coating can achieve a long-term decorative effect. [0003] The surface coating includes a colored topcoat layer and a clear varnish layer. The base resins use...

Claims

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Application Information

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IPC IPC(8): C09G1/12C08G77/38
Inventor 高大元林大伟王志慧
Owner 高大元
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