Double-liquid fluorocarbon coating and preparation method and application thereof

A fluorocarbon coating and raw material technology, applied in the direction of coating, can solve the problems of poor recoatability, poor pigment dispersion, poor solvent solubility, etc., and achieve the best physical and mechanical properties, tough paint film, wear resistance. Good results

Inactive Publication Date: 2011-09-14
东莞大宝化工制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the widely used fluororesin coatings mainly include PTFE, PVDF, PEVE and other three types; although they all have excellent performance, they still have some deficiencies (especially when they are specially used

Method used

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  • Double-liquid fluorocarbon coating and preparation method and application thereof
  • Double-liquid fluorocarbon coating and preparation method and application thereof
  • Double-liquid fluorocarbon coating and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0049] Example 1

[0050] A high weather resistance two-component fluorocarbon white paint; comprising a mixture A and a mixture B, and the ratio of parts by weight of the mixture A to the mixture B is 100:10;

[0051] in,

[0052] Described mixed material A comprises following raw material calculated by weight percentage:

[0053]

[0054] The mixed material B includes the following raw materials calculated by weight percentage:

[0055] Aliphatic polyisocyanate curing agent 70.8%

[0056] Solvent two (xylene, butyl acetate) 28.2%

[0057] Transparent colorless lipid denaturing aid 1.0%.

[0058] A two-component fluorocarbon coating for outdoor CCA panels; including the following preparation steps:

[0059] Step A. Put the amount of FEVE fluorocarbon resin, hydroxyacrylic resin, solvent one and rutile titanium dioxide pigment into the reaction kettle for mixing, and stir at 25±2°C for 30 minutes to prepare mixture I, wherein, The stirring speed is 1000 rpm;

[0060]...

Example Embodiment

[0063] Example 2

[0064] A high weather resistance two-component fluorocarbon black paint; comprising a mixture A and a mixture B, and the ratio of parts by weight of the mixture A to the mixture B is 100:14;

[0065] in,

[0066] Described mixed material A comprises following raw material calculated by weight percentage:

[0067]

[0068] The mixed material B includes the following raw materials calculated by weight percentage:

[0069] Aliphatic polyisocyanate curing agent 70.8%

[0070] Solvent two (xylene, butyl acetate) 28.2%

[0071] Transparent colorless lipid denaturing aid 1.0%.

[0072] The preparation method is the same as in Example 1, wherein the high weather resistance carbon black powder is added in step A.

Example Embodiment

[0073] Example 3

[0074] A two-component fluorocarbon black coating with high weather resistance and high scratch resistance; comprising a mixed material A and a mixed material B, and the weight and number ratio of the mixed material A to the mixed material B is 100:16;

[0075] in,

[0076] Described mixed material A comprises following raw material calculated by weight percentage:

[0077]

[0078] The mixed material B includes the following raw materials calculated by weight percentage:

[0079] Aliphatic polyisocyanate curing agent 70.8%

[0080] Solvent two (xylene, butyl acetate) 28.2%

[0081] Transparent colorless lipid denaturing aid 1.0%.

[0082] The preparation method is the same as in Example 1.

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Abstract

The invention relates to the technical field of coatings, in particular to a double-liquid fluorocarbon coating applied to outdoor copper clad aluminum (CCA) plates and a preparation method thereof. Trifluorochloroethylene (FEVE) fluorocarbon resin is used as a main body and reacted with aliphatic polyisocyanate curing agent to form the double-liquid fluorocarbon coating applied to the outdoor CCA plates; the coating has excellent properties such as high weather resistance, water resistance, heat resistance, low temperature resistance and the like, and can meet the requirements for high weather resistance and rich colors when matched with a high weather resistant pigment; and particularly, the coating has high hardness, high scratch resistance and acid and alkali resistance required by outdoor severe environments.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a two-component fluorocarbon coating applied to outdoor CCA boards and a preparation method thereof. Background technique [0002] CCA board, the international name is pressure steamed non-asbestos fiber cement board, which is a high-tech product made of cellulose fiber, cement, sand, additives, water, etc. through advanced production technology. It is 100% free of asbestos and other harmful substances. A new type of environmentally friendly building panels. As a green environmental protection and energy-saving material, CCA board is suitable for a variety of construction fields due to its superior characteristics, such as desktop boards, doors, cabinets, wardrobes, etc. [0003] If the high-density CCA board is used outdoors, it is necessary to further protect the surface of the CCA board with a coating so that it can achieve the purpose of decoration and protection. Since th...

Claims

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Application Information

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IPC IPC(8): C09D127/12C09D133/00C09D7/12
Inventor 陈贺生
Owner 东莞大宝化工制品有限公司
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