Bottom-surface-in-one fluorocarbon enamelled paint and its preparing method

A technology of fluorocarbon and enamel, applied in the field of paint, can solve the problems of reduced performance, small molecular weight, poor weather resistance and corrosion resistance, etc., and achieve the effect of ensuring anti-corrosion, good anti-corrosion and good conductivity

Inactive Publication Date: 2007-03-28
查培法
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its stability, gloss, hardness and adhesion are better than alkyd resins, but its weather resistance and corrosion resistance are not as good
Someone has made a polyaniline anti-corrosion paint with the bottom and surface integrated, and the general performance is still limited by the inherent performance of the polyester resin.
[0008] Polyaniline anticorrosive paint prepared with acrylic resin is mostly bas

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] formula:

[0044] Fluorine resin 50g Dispersant polymer modified siloxane 1g Wetting agent Propyl titanate 1g Titanium dioxide 12g Aluminum phosphate 1g Thinner butyl acetate 25g Polyaniline 11g Ammonium green 1g Curing agent N-75 6g

[0045] Process:

[0046] 1. Add 50% of the thinner to the wetting agent and stir, then add it to the polyaniline for surface treatment and set aside.

[0047] 2. Add fluororesin and dispersant in sequence in the mixing and dispersing tank, stir well and add polyaniline after surface pretreatment. Continue to add other raw materials and the remaining thinner under stirring, disperse at high speed for 1 hour after stirring, and grind to fineness with a conical grinder to obtain a paint with a fineness of <35 μm.

[0048] 3. Add the paint into the curing agent and adjust to the appropriate viscosity to make the board. Use a 0.2mm thick 60mm×120mm tin plate to measure its physical properties; spray on a plexiglass plate to measure its elec...

Embodiment 2

[0050] formula:

[0051] Fluorine Resin 40g Hydroxy Acrylic Resin 10g Dispersant Polydimethylsiloxane 5g Wetting Agent Coordination Titanate 0.8g Zinc Phosphate 5g Titanium Dioxide 10g Polyaniline 8g Amine Green 1g Curing Agent 3390 6g

[0052] Process:

[0053] 1. Add polyaniline to the wetting agent, stir for surface treatment, and set aside.

[0054] 2. Add fluororesin, hydroxyacrylic resin and polyaniline after surface pretreatment in sequence in the mixing and dispersing tank, continue to add other raw materials except curing agent under stirring, disperse at high speed for 2 hours after stirring, and grind finely with a cone , to obtain a paint with a fineness of <35 μm.

[0055] 3. Add the paint into the curing agent and adjust to the appropriate viscosity to make the board. Use a 0.2mm thick 60mm×120mm tin plate to measure its physical properties; spray on a plexiglass plate to measure its electrical conductivity. Impact resistance 50kg cm, adhesion (circle method)...

Embodiment 3

[0057] formula:

[0058] Fluorine resin 60g dispersant polyether modified siloxane 0.1g wetting agent propyl titanate 0.1g titanium dioxide 10g mica powder 2g polyaniline 5g zinc phosphate 1g aluminum phosphate 8g thinner glycol ether acetate 25g curing agent N -75 7g Acrylic acid copolymer 0.5g

[0059] Process:

[0060] 1. Add the thinner to the wetting agent and stir, then add it to the polyaniline for surface treatment and set aside.

[0061] 2. Add fluororesin and dispersant in sequence in the mixing and dispersing tank, stir well and add polyaniline after surface pretreatment. Continue to add other raw materials under stirring, disperse at high speed for 4 hours after stirring, and grind to a fineness with a conical grinder to obtain a paint with a fineness of <30 μm.

[0062] 3. Mix the paint and curing agent evenly and adjust to a suitable viscosity, and make a plate on a 0.2mm thick 60mm×120mm tinplate.

[0063] 4. Measure the physical parameters of the paint afte...

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Abstract

The invention relates to back plane unity new type fluorine carbon lacquer enamel used in corrosion protection. Its component mass shares are as follows: fluoro resin 20-70, polyaniline 1-25, dispersant 0.1-5, and wetting agent 0.1-5. The invention can ensure coating anti-corrosive property, stability, brilliancy, doesn't add other conducting filling while making static conducting anti corrosive paint, will not cause the organic carbon black or graphite granule pollution for the medium to keep conducting resistance stable.

Description

technical field [0001] The invention relates to the field of paints, in particular to a novel fluorocarbon enamel with integrated bottom and surface for anti-corrosion and a preparation method thereof. Background technique [0002] According to statistics released by the world, the annual economic loss due to corrosion accounts for more than 4% of the world's total GDP, exceeding the sum of losses caused by fire, wind disasters and earthquakes. According to the data, the loss caused by corrosion in the United States accounts for about 4.2% of GDP, and the loss caused by corrosion in my country accounts for about 4% of GDP, which is about hundreds of billions of yuan. Especially steel corrosion loss is one of the biggest wastes in the world. Therefore, the problem of anti-corrosion has attracted people's great attention day by day. Anti-corrosion is a never-ending research topic. Anti-corrosion coatings based on metal surface shielding have been developed. Later, it was foun...

Claims

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Application Information

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IPC IPC(8): C09D127/12C09D5/08C09D179/02
Inventor 王凤宪查培法
Owner 查培法
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