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Oil-resistant waterproof coating for universal joints

A waterproof coating and universal joint technology, applied in epoxy resin coatings, coatings, etc., can solve the problems of long drying time, acid and alkali resistance, low adhesion, etc.

Inactive Publication Date: 2014-05-14
SUZHOU SUWAN UNIVERSAL JOINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above technical problems, the present application provides an oil-resistant waterproof coating for universal joints, which solves the technical problems of long drying time, acid and alkali resistance, and low adhesion of existing coatings for universal joints.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] An oil-resistant waterproof coating for universal joints, the composition of which is expressed in parts by mass: 100 parts of epoxy resin; 30 parts of melamine resin; 5 parts of polysulfide rubber; 20 parts of xylene; 10 parts of aluminum powder paste; 10 parts of alcohol; 14 parts of isopropanol; 15 parts of methyl ethyl ketone; 0.2 parts of p-toluenesulfonic acid; 12 parts of cyclohexanone.

[0014] The surface of the product is dry for 3.5 hours, and it is dry for 23 hours; the viscosity is 20, the fineness is ≤38 microns; the hardness is 0.5, and the solid content is 70%; the product is oil and water resistant, the impact strength is 50MPa, and the adhesion is grade 1.

Embodiment 2

[0016] An oil-resistant waterproof coating for universal joints, the composition of which is expressed in parts by mass: 100 parts of epoxy resin; 35 parts of melamine resin; 10 parts of polysulfide rubber; 25 parts of xylene; 15 parts of aluminum powder paste; 14 parts of alcohol; 18 parts of isopropanol; 25 parts of methyl ethyl ketone; 0.6 parts of p-toluenesulfonic acid; 22 parts of cyclohexanone.

[0017] The surface of the product is dry for 3 hours, dry for 21 hours; viscosity 22, fineness ≤ 38 microns; hardness 0.5, solid content 73%; product oil and water resistance, impact strength 50MPa, adhesion level 1.

Embodiment 3

[0019] An oil-resistant and waterproof coating for universal joints, the composition of which is expressed in parts by mass: 100 parts of epoxy resin; 32.5 parts of melamine resin; 7.5 parts of polysulfide rubber; 22.5 parts of xylene; 12.5 parts of aluminum powder paste; 12 parts of alcohol; 16 parts of isopropanol; 20 parts of methyl ethyl ketone; 0.4 parts of p-toluenesulfonic acid; 17 parts of cyclohexanone.

[0020] The surface of the product is dry for 2.5 hours, dry for 20 hours; viscosity 25, fineness ≤ 38 microns; hardness 0.5, solid content 75%; product oil and water resistance, impact strength 50MPa, adhesion level 1.

[0021] All components of the compositions in the above examples are commercially available.

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Abstract

The invention provides oil-resistant waterproof coating for universal joints. The oil-resistant waterproof coating comprises the following components in parts by mass: 100 parts of epoxy resin, 30-35 parts of melamine resin, 5-10 parts of polysulfide rubber, 20-25 parts of xylene, 10-15 parts of aluminum paste, 10-14 parts of butanol, 14-18 parts of isopropyl alcohol, 15-25 parts of vulcanization accelerator, 0.2-0.6 part of p-toluenesulfonic acid and 12-22 parts of cyclohexanone; the surface dry time of the product is 2.5-3.5 hours, and the hard dry time of the product is 20-23 hours; the viscosity of the product is 20-25, and the fineness of the product is less than or equal to 38 micrometers; the hardness of the product is 0.5, and the solid content of the product is 70-75%; the product is oil-resistant and waterproof, has the impact strength reaching 500Mpa and adhesive force of 1 grade and can be widely produced and continuously replace existing materials.

Description

Technical field [0001] This application belongs to the field of metal coatings, especially involving an universal oil -resistant waterproof coating. Background technique [0002] The so -called universal section refers to the use of ball types and other devices to achieve axial power output in different directions. It is also a very important part of the car.The combination of universal and transmission shafts is called the universal switch transmission device.On the vehicle of the rear wheel drive of the front engine, the universal switch transmission device is installed between the transmission output shaft and the input shaft of the driving bridge main speedr; while the front engine front -drive vehicle is omitted, and the universal section installation is installedThe front axle half -axis and wheels that are responsible for driving and turning; between the transmission of the engine front and rear -wheel drive vehicle and the driver bridge.When the distance between the trans...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D161/28C09D181/04C09D7/12
Inventor 王春林
Owner SUZHOU SUWAN UNIVERSAL JOINT