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Permeable epoxy seal primer and preparing method and using method thereof

A technology of sealing primer and permeability, applied in primers, epoxy resin coatings, coatings, etc., can solve the problems of easy foaming, poor permeability, poor sealing, etc., and achieve easy foaming and permeability. High, good sealing effect

Inactive Publication Date: 2016-03-02
TIANHENG PAINT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the construction process of architectural coatings, the quality of the primer plays a decisive role in the quality of the coating film. Problems such as blistering and cracking on the surface of the coating film are directly related to the base primer. There are many kinds of primers, but the permeability is very poor, the sealing performance is very poor, and it is easy to foam during construction

Method used

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  • Permeable epoxy seal primer and preparing method and using method thereof
  • Permeable epoxy seal primer and preparing method and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1 permeable epoxy sealing primer, its components and parts by weight are as follows:

[0019] Component name

parts by weight

100% epoxy solid resin

70 copies

Thinner

22 copies

adhesion promoting resin

0.5 parts

75% epoxy resin

40 copies

Adhesion Promoter

4 parts

penetration aid

1 copy

plasticizer

1 copy

Thinner

30 copies

[0020] The thinner in the raw material of the penetrating epoxy sealing primer is xylene.

[0021] The preparation method provided in this example is described as follows: Take 70 kg of 100% epoxy solid resin and add it to the reactor, raise the temperature to 200 ° C, keep the temperature for 40 minutes, stir and cool down to the temperature in the reactor less than or equal to 150 ° C, and start adding 22 kilograms of thinner, 0.5 kilograms of adhesion-promoting resin, and continue to stir for 30 minutes to obtain a preliminary mi...

Embodiment 2

[0023] Embodiment 2 permeable epoxy sealing primer, its components and parts by weight are as follows:

[0024] Component name

parts by weight

100% epoxy solid resin

75 copies

Thinner

24 copies

adhesion promoting resin

1 copy

75% epoxy resin

50 copies

Adhesion Promoter

6 servings

penetration aid

2 copies

plasticizer

2 copies

Thinner

40 copies

[0025] The thinner in the raw material of the penetrating epoxy sealing primer is xylene.

[0026] The preparation method provided in this example is described as follows: Take 75 kg of 100% epoxy solid resin and add it to the reactor, raise the temperature to 200 ° C, keep the temperature for 40 minutes, stir and cool down to the temperature in the reactor less than or equal to 150 ° C, and start adding 24 kilograms of thinner, 1 kilogram of adhesion promoting resin, and continue to stir for 30 minutes to obtain a preliminary mi...

Embodiment 3

[0028] Embodiment 3 permeable epoxy sealing primer, its component and parts by weight are as follows:

[0029]

[0030]

[0031] The thinner in the raw material of the penetrating epoxy sealing primer is xylene.

[0032] The preparation method provided in this example is described as follows: Take 80 kg of 100% epoxy solid resin and add it to the reactor, raise the temperature to 200 ° C, keep the temperature for 40 minutes, stir and cool down to the temperature in the reactor less than or equal to 150 ° C, and start adding 26 kilograms of thinner, 1.5 kilograms of adhesion-promoting resin, and continue to stir for 30 minutes to obtain a preliminary mixture, put the above-mentioned preliminary mixture, 60 kilograms of 75% epoxy resin in the color tank, add 50 kilograms of diluent and mix, stir for 30 minutes Add 3 kilograms of penetration aids, 3 kilograms of plasticizers, and 8 kilograms of adhesion promoters one minute later, and continue stirring for 60 minutes to obt...

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Abstract

The invention relates to a permeable epoxy seal primer. The permeable epoxy seal primer is characterized by being prepared from, by weight, 70-80 parts of 100% epoxy hard resin, 22-26 parts of thinner, 0.5-1.5 parts of adhesive force promoting resin, 40-60 parts of 75% epoxy resin, 4-8 parts of adhesive force promoter, 1-3 parts of permeation assistant, 1-3 parts of plasticizer and 30-50 parts of diluent. A corresponding amount of 100% epoxy hard resin is added to a reaction still according to the proportion, then thinner and adhesive force promoting resin are added, a preliminary mixture is obtained through stirring, the preliminary mixture and 75% epoxy resin are placed in a color modulation vat, diluent is added, permeation assistant, plasticizer and adhesive force promoter are added in sequence while stirring, and then the permeable epoxy seal primer is obtained. The permeable epoxy seal primer is high in permeability and sealing performance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a permeable epoxy sealing primer. Background technique [0002] In the construction process of architectural coatings, the quality of the primer plays a decisive role in the quality of the coating film. Problems such as blistering and cracking on the surface of the coating film are directly related to the base primer. There are many kinds of primers, but their permeability is very poor, their sealing performance is very poor, and they are prone to foaming during construction. In order to meet the market demand, it is urgent to develop a high-permeability, high-sealing, high-adhesion sealing primer. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a permeable epoxy sealing primer with strong penetration and good sealing effect. [0004] The technical scheme adopted in the present invention: permeable epoxy seali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12
CPCC09D5/002C08L2205/03C09D7/63C09D163/00
Inventor 刘道海
Owner TIANHENG PAINT CO LTD
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