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Moisture-proof primer

A technology of moisture-proof primer and isooctyl methacrylate, which is applied in the direction of coating, etc., can solve the problems of poor moisture-proof performance and poor pertinence, and achieve excellent moisture-proof performance

Active Publication Date: 2016-09-07
DRAGON FISH PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, although traditional primers have multiple functions, their pertinence is not strong. For example, general primers have poor moisture resistance.

Method used

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  • Moisture-proof primer

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The preparation raw material of this moisture-proof primer is:

[0018] 20 kg of isooctyl methacrylate, 6 kg of cyclohexyl methacrylate, 6 kg of cycloolefin copolymer, 2 kg of pentachlorobiphenyl, 0.5 kg of hexamethylene diisocyanate, 60 kg of xylene;

[0019] Its preparation method is as follows:

[0020] First, 7 kg of isooctyl methacrylate, 2 kg of cyclohexyl methacrylate, 2 kg of cycloolefin copolymer and 0.25 kg of hexamethylene diisocyanate, 2 kg of pentachlorobiphenyl 2 kg and 20 kg Put the xylene into the reaction kettle, start the mixer to stir at a stirring speed of 400-600 rpm, heat up, and keep warm when the temperature reaches 70°C. After the viscosity of the system is greater than 60 seconds, keep the temperature at 70°C- 80°C, and start to add the remaining raw material mixture dropwise, drop it in 3-4 hours, then keep warm for 2 hours, then raise the temperature to 90-100°C, keep warm for 2 hours, then cool down and discharge. .

Embodiment 2

[0022] The preparation raw material of this moisture-proof primer is:

[0023] 30 kg of isooctyl methacrylate, 2 kg of cyclohexyl methacrylate, 2 kg of cycloolefin copolymer, 1 kg of pentachlorobiphenyl, 1 kg of hexamethylene diisocyanate, 80 kg of xylene;

[0024] Its preparation method is as follows:

[0025] First, 10 kg of isooctyl methacrylate, 0.7 kg of cyclohexyl methacrylate, 0.7 kg of cycloolefin copolymer, 1 kg of pentachlorobiphenyl, 0.25 kg of hexamethylene diisocyanate and 30 kg of di Put toluene into the reaction kettle, start the mixer to stir at a stirring speed of 400-600 rpm, heat up, keep warm when the temperature reaches 70°C, and keep the temperature at 70°C-80°C after the viscosity of the system is greater than 60 seconds In between, and start to add the remaining raw material mixture dropwise, the dropwise addition is completed in 3-4 hours, then keep the temperature for 2 hours, then raise the temperature to 90-100°C, keep the temperature for 2 hours, ...

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PUM

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Abstract

The invention discloses a moisture-proof primer, which relates to the technical field of coatings. -6 parts, 1-2 parts of pentachlorobiphenyl, 0.5-1 part of hexamethylene diisocyanate, 60-80 parts of xylene, the primer of the present invention has excellent moisture resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a moisture-proof primer. Background technique [0002] The primer is the first layer of the paint system, which is used to improve the adhesion of the topcoat, increase the fullness of the topcoat, provide alkali resistance, provide anti-corrosion functions, etc. At the same time, it can ensure the uniform absorption of the topcoat and make the paint system play its best good effect. [0003] However, although traditional primers have multiple functions, their pertinence is not strong, for example, general primers have poor moisture resistance. Contents of the invention [0004] The technical problem solved by the invention is to provide a moisture-proof primer with good moisture-proof performance. [0005] In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: [0006] Comprising the following compone...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D4/02C09D5/00C09D7/12
Inventor 韦光南苏东荣梁勇坚
Owner DRAGON FISH PAINT