Fluorine-carbon coil coating and method of producing the same

A coil coating and fluorocarbon technology, applied in the direction of reflection/signal coatings, coatings, etc., can solve the problems of easy fading and short service life, and achieve excellent stain resistance, outstanding weather resistance, and high solid content.

Inactive Publication Date: 2009-04-08
无锡银星涂层板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the increasing popularity of the application of color steel plates, various defects of color steel plates have gradually been exposed, and people have begun to realize the various troubles caused by the use of color steel plates, such as short service life, easy fading, and being like a test box in summer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0034] Example 1: The preparation method of a fluorocarbon coil coating of the present invention adopts the following process steps: the composition ratio is calculated in parts by weight:

[0035] The present invention takes 45.00 parts of polytetrafluoroethylene resin, model HK-65 with a molecular weight of about 6000-10000, 0.80 parts of acrylic copolymer block dispersant (32500), 0.50 parts of fumed silica (gas phase method), and 15.00 parts of cobalt blue pigment , Titanium dioxide 10.00 parts, chrome iron black pigment 1.50 parts, ceramic microspheres 6.50 parts (particle size≤1.5um), 100# aromatic hydrocarbon solvent 3.00 parts, cyclohexanone 1.00 parts, DBE (dibasic acid ester) dibasic acid ester 1.00 part, put the above-mentioned raw materials into the container in sequence and start the high-speed disperser to 1500 rpm. After 20 minutes of dispersion, use the suction pump to pump into the sand mill and circulate and grind 5 times until the fineness is ≤1 2.50 After um, p...

Example Embodiment

[0036] Embodiment 2: The preparation method of a fluorocarbon coil coating of the present invention adopts the following process steps: the composition ratio is calculated in parts by weight:

[0037] The present invention takes 50.00 parts of polytetrafluoroethylene resin, model HK-65 with a molecular weight of about 6000-10000, acrylic copolymer block dispersant (32500) 1.00 parts, fumed silica (gas phase method) 0.60 parts, and cobalt blue pigment 10.00 parts , Titanium dioxide 10.00 parts, chromite black pigment 1.00 parts, ceramic microspheres 8.00 parts (particle size≤1.5um), 100# aromatic hydrocarbon solvent 3.00 parts, cyclohexanone 1.00 parts, DBE (dibasic acid ester) 1.00 parts, The above-mentioned raw materials are put into the container in order to start the high-speed disperser to the rotation speed of 1200 rpm. After 22 minutes of dispersion, they are pumped into the sand mill with a suction pump to circulate and grind 5 times until the fineness is ≤12.50um. Add amin...

Example Embodiment

[0038] Example 3: The preparation method of a fluorocarbon coil coating of the present invention adopts the following process steps: the composition ratio is calculated in parts by weight:

[0039] The present invention takes 52.00 parts of polytetrafluoroethylene resin, model HK-65 with a molecular weight of about 6000-10000, 1 part of acrylic copolymer block dispersant (32500), 0.60 part of silica (gas phase method), 10 parts of cobalt blue pigment, Titanium dioxide 10.00 parts, chromite black pigment 2.00 parts, ceramic microspheres 7.00 parts (particle size≤1.5um), 100# aromatic hydrocarbon solvent 3.00 parts, cyclohexanone 1.0 parts, DBE (dibasic acid ester) 1.00 parts, the above The raw materials are put into the container in order to start the high-speed disperser to the speed of 1300 rpm. After 18 minutes of dispersion, they are pumped into the sand mill with a suction pump to circulate and grind 5 times until the fineness is ≤12.50um. Then add amino resin in the lacquer k...

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PUM

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Abstract

The invention relates to a fluorocarbon coil coating and a preparation method thereof. The invention is characterized in that the method comprises steps as follows: teflon resin, acrylic block copolymer dispersants, aerosil, cobalt blue pigments, titanium pigments, ferrochrome black pigments, ceramic beads, 100 type aromatic solvents, cyclohexanone and dibasic ester are mixed uniformly according to certain proportion and sequence; after passing through a high-speed disperser, the mixtures are ground for 3 to 5 times by a grinding machine; and then methyl-etherified melamine resin, closed paratoluenesulfonic acid catalysts, micronized PE waxes, acrylic ester flatting agents, acrylic ester foam killers, silicon dioxide flatting silica, hindered amine stabilizers, butyl acetate and isophorone are added, stirred uniformly, filtered and packaged into a finished product. The coating has excellent weatherability and dirt-resistance performance; the solidifying temperature is relatively lower than that of polyvinylidene fluoride and the color is bright; the infrared emission rate is higher; the lustrousness can be freely adjusted; and the solid content is high and waste gas discharge can be reduced.

Description

technical field [0001] The invention relates to a fluorocarbon coil coating and a preparation method thereof, in particular it is used for decoration of high-grade color steel plates and belongs to the technical field of protective materials. Background technique [0002] With the increasing popularity of the application of color steel plates, various defects of color steel plates have gradually been exposed, and people have begun to realize the various troubles caused by the use of color steel plates, such as short service life, easy fading, and being like a test box in summer The general indoor temperature, etc., have brought a deep impression to people. Therefore, it is an important choice for the future development of the color steel plate industry to develop a coil coating that can effectively reduce the heat energy generated by sunlight and improve the service life of the steel plate. . Contents of the invention [0003] The object of the present invention is to ove...

Claims

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Application Information

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IPC IPC(8): C09D127/18C09D5/33
Inventor 刘旭光刘岗
Owner 无锡银星涂层板有限公司
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