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Anti-sticking fluorine carbon paint used for dump trucks

A technology for fluorocarbon coatings and vehicles, which is applied in the coating and other directions, which can solve the problems of insufficient chain segment rigidity, low thermomechanical properties, and poor wear resistance, and achieve excellent adhesion, excellent anti-sticking performance, and wear resistance Good results

Active Publication Date: 2019-11-08
POWERCHINA RAILWAY CONSTR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, general fluorocarbon coatings are based on aliphatic fluorocarbon resins, which have insufficient chain rigidity, low thermomechanical properties, and poor wear resistance.

Method used

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  • Anti-sticking fluorine carbon paint used for dump trucks
  • Anti-sticking fluorine carbon paint used for dump trucks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] An anti-sticking fluorocarbon coating for slag hopper truck, the raw materials used are calculated in parts by weight:

[0031] 90 parts of fluorocarbon emulsion,

[0032] 1 part of defoaming additive,

[0033] Anti-yellowing additive 1 part,

[0034] 1 part of leveling aid,

[0035] 1 part of anti-flash rust agent,

[0036] 10 parts of anti-wear additives,

[0037] The fluorocarbon coating is prepared by adding fluorocarbon emulsion, defoaming assistant, anti-yellowing assistant, leveling assistant, and wear resistance assistant into a beaker, and dispersing uniformly at a rotation speed of 500 r / min.

[0038] The fluorine content of the solid component in the fluorocarbon emulsion is 4%.

[0039] The leveling aid is a non-ionic associative polyurethane; the anti-flash rust agent is a zinc polymer; the abrasion resistance aid is 50-500 nanometer graphite particles, and the anti-yellow aid is 2-(2 '-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole.

[0040] The preparation me...

Embodiment 2

[0045] An anti-sticking fluorocarbon coating for slag hopper truck, the raw materials used are calculated in parts by weight:

[0046] 85 parts of fluorocarbon emulsion,

[0047] 3 parts of defoaming additives,

[0048] Anti-yellowing additives 3 parts,

[0049] 3 parts of leveling aid,

[0050] 3 parts of anti-flash rust agent,

[0051] 5 parts of anti-wear additives,

[0052] The fluorocarbon coating is prepared by adding fluorocarbon emulsion, defoaming assistant, anti-yellowing assistant, leveling assistant, and wear resistance assistant into a beaker, and dispersing uniformly at a rotation speed of 500 r / min.

[0053] The fluorine content of the solid component in the fluorocarbon emulsion is 4%.

[0054] The leveling aid is a non-ionic associative polyurethane; the anti-flash rust agent is a zinc polymer; the wear resistance aid is 50-500 nanometer graphite particles, and the anti-yellow aid is 2-(2 '-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole.

[0055] The amount of met...

Embodiment 3

[0057] The amount of methyl methacrylate and 4-fluorostyrene used in step 1) of the fluorocarbon emulsion preparation process in Example 1 were changed to 2.705 parts by weight and 1.095 parts by weight respectively; step 2) methyl methacrylate, 4 -The amount of fluorostyrene was changed to 24.345 parts by weight and 9.855 parts by weight, and the rest was prepared according to the steps of Example 1 to prepare a fluorocarbon emulsion.

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Abstract

The invention discloses an anti-sticking fluorine carbon paint used for dump trucks. The anti-sticking fluorine carbon paint used for dump trucks comprises, by weight, 85 to 90 parts of fluorocarbon emulsion, 1 to 3 parts of a defoaming aid, 1 to 3 parts of an anti-yellowing agent, 1 to 3 parts of a leveling agent, 1 to 3 parts of anti-flashing agent, and 5 to 10 parts of a wear resistant auxiliary agent. The raw materials are easily available; the cost is low; the preparation technology is simple; construction is convenient; paint layers prepared from the anti-sticking fluorine carbon paint are high in hardness, clunging force, and excellent in sticking resistance, and wear resistance.

Description

Technical field [0001] The invention belongs to the field of coatings, and specifically relates to an anti-sticking fluorocarbon coating for slag hopper trucks and a preparation method thereof. Background technique [0002] Due to the high viscosity of the muck in the subway construction process, the muck and the hopper car are tightly bonded together, and it is difficult to pour cleanly when dumped. Many workers and machinery are required, which affects the construction efficiency of the slag. In order to solve the above practical engineering problems, a feasible strategy is mainly to coat the surface of the machine with an anti-adhesion layer, that is, a resin-based coating. Traditional coating materials such as acrylic resins, phenolic resins, epoxy resins, etc. have weak anti-adhesion capabilities and cannot be used under actual working conditions. Fluorocarbon coating is a type of coating based on or modified by fluorocarbon resin. Due to the presence of CF bonds in the po...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D133/08C09D7/61C09D7/63C08F220/18C08F220/14C08F212/14
CPCC08F220/18C08K2201/011C09D133/04C09D133/08C09D7/61C09D7/63C08K3/04C08K5/3475
Inventor 孙德新李振猛陈栋阳
Owner POWERCHINA RAILWAY CONSTR
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