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Curing nanometer building paint from fluoride carbon resin at normal temperature and production thereof

A room temperature curing, architectural coating technology, applied in the coating and other directions, to achieve the effect of good flexibility, soft and elegant coating film, long aging resistance

Inactive Publication Date: 2005-12-28
宁波艾利特科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the surface of the material must be chemically cleaned and primed, and the drying temperature must be above 230°C

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Add 30% fluorocarbon resin HF001 resin to a drum-shaped stainless steel tank equipped with a two-shaft two-speed mixer in the central part, and mix 0.02% dispersant Anti-Terra-P, 0.03% defoamer BYK070 under low-speed stirring, 0.04% anti-sedimentation agent 275, 2% nano-zinc dioxide, 0.2% ultraviolet absorber Sanduvor3035, add in the stainless steel tank, after mixing evenly, add 0.001% catalyst stannous octoate, after a period of reaction, Then add 20% pigment rutile titanium dioxide to the composition, disperse at high speed, then add 30% extender pigment talcum powder, after passing through the sand mill, check that the fineness is below 20-40 microns, then add 15% acetic acid butyl ester, stir well.

[0047] When in use, 8.709% of the total weight of the curing agent biuret polyisocyanate is added to the composition coating, stirred evenly, aged at 15-40°C for 30-50 minutes before construction.

[0048] The coating of embodiment 1 is very suitable as the exterior w...

Embodiment 2

[0061] Add 50% fluorocarbon resin ZB-C resin to a drum-shaped stainless steel tank equipped with a two-shaft two-speed mixer in the central part, and mix 0.05% dispersant Texaphor-963, 0.05% defoamer 5400 under low-speed stirring, Add 0.04% anti-sedimentation agent 902, 5% nano zinc dioxide, and 0.06% ultraviolet absorber Sanduvor3212 into the stainless steel tank. After mixing evenly, add 0.002% catalyst dibutyltin oxide. After a period of reaction , then add 8% of the pigment chrome yellow to the composition, after high-speed dispersion, then add 6.798% of the extender pigment barite powder, check the fineness below 20 microns after sand milling, then add 5% of xylene and 5% butyl acetate, stir well.

[0062] When in use, 20% of the total weight of the curing agent hexamethylene diisocyanate (HDI) trimer is added to the composition coating, stirred evenly, aged at 15-40 DEG C for 30-50 minutes before construction.

[0063] The coating of embodiment 2 is very suitable as the...

Embodiment 3

[0077] Add 65% fluorocarbon resin ZB-C resin to a drum-type stainless steel tank equipped with a two-shaft two-speed mixer in the central part, and mix 0.03% dispersant Texaphor-963, 0.04% defoamer 5400 under low-speed stirring, Add 0.3% anti-settling agent 902, 1.6% nano-montmorillonite, and 0.029% UV absorber Tinuvin328 into the stainless steel tank. After mixing evenly, add 0.001% catalyst dibutyltin dilaurate and react for a period of time Finally, add 4% pigment zinc dioxide to the composition, after high-speed dispersion, add 5% extender pigment talcum powder, check that the fineness is below 20 microns after sand grinding, then add 5% xylene and 5% propylene glycol methyl ether acetate, stir well.

[0078] When in use, 14% of the total weight of the curing agent biuret polyisocyanate is added to the composition coating, stirred evenly, and cured at 15-40°C for 15-30 minutes before construction.

[0079] The coating of embodiment 3 is very suitable to do high-performanc...

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PUM

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Abstract

A cured nanometer resin fluorinated carbon building coating at normal temperature and its production are disclosed. The process is carried out by using tin catalyst, and adding into wetting disperser, anti-bubbling agent, curing agent, anti-settling agent, ultraviolet absorber and coloring pigment. It achieves long anti-aging time, better water-proof and anti-fouling ability, and higher hardness of coating.

Description

technical field [0001] The invention relates to the field of macromolecule coatings, in particular to fluorine-containing carbon resin nanometer architectural coatings cured at room temperature and a preparation method thereof. Background technique [0002] The diameter of the fluorine atom is the smallest, the F-C bond length is very short, and the bond energy is as high as 477 kJ / mole, so the fluorine resin has excellent high temperature resistance, chemical and organic solvent resistance, friction resistance, oil repellency, water repellency and surface Non-stick, anti-fouling, weather resistance, etc. But its main disadvantage is that it is difficult to process, insoluble in most organic solvents, and its fluidity is still not good when the temperature is as high as 300-400 ° C, which greatly limits the use of fluorocarbon resins. [0003] In 1938, the United States developed PTFE polytetrafluoroethylene resin, which is known as the king of plasti...

Claims

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Application Information

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IPC IPC(8): C09D127/12
Inventor 韦钧千
Owner 宁波艾利特科技发展有限公司
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