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Fluorocarbon coating capable of forming film at low temperature and preparation method thereof

A fluorocarbon coating and film-forming technology, used in polycarbonate coatings, polyester coatings, epoxy resin coatings, etc., can solve problems such as water resistance and flexibility to be improved, and achieve fast curing at room temperature, low surface tension, and composition. simple effect

Inactive Publication Date: 2019-12-27
淮安正天新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the fluorocarbon powder coating has good weather resistance, strong chemical resistance, and good gloss and color retention, its water resistance and flexibility need to be improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A low-temperature film-forming fluorocarbon paint, comprising a main paint and a curing agent, the weight ratio of the main paint and the curing agent is 120:1; the main paint is mixed by the following components by weight: 35 parts of fluorocarbon resin, 1 part of nano titanium dioxide, 2 parts of dioctyl phthalate, 12 parts of hydroxyl polyester, 2 parts of epoxy resin, 25 parts of montmorillonite, 1 part of barium sulfate, 1 part of fly ash, 48 parts of polycarbonate diol, 15 parts of n-butanol, 20 parts of hydroxymethyl cellulose, 1 part of lubricant, 1 part of bactericide, 1 part of leveling agent; The curing agent includes the following parts by weight Components: 1 part of inorganic gelling material, 2 parts of butyl acetate, 20 parts of polyvinyl alcohol.

[0018] The preparation method of the above-mentioned low-temperature film-forming fluorocarbon coating comprises the following steps:

[0019] Step 1, mix fluorocarbon resin, nano-titanium dioxide, dioctyl p...

Embodiment 2

[0035] A low-temperature film-forming fluorocarbon paint, comprising a main paint and a curing agent, the weight ratio of the main paint and the curing agent is 120:1; the main paint is mixed by the following components by weight: 42 parts of fluorocarbon resin, 1 part of nano titanium dioxide, 6 parts of dioctyl phthalate, 20 parts of hydroxyl polyester, 3 parts of epoxy resin, 32 parts of montmorillonite, 2 parts of barium sulfate, 2 parts of fly ash, 50 parts of polycarbonate diol, 22 parts of n-butanol, 30 parts of hydroxymethyl cellulose, 2 parts of lubricant, 1 part of bactericide, 2 parts of leveling agent; Components: 2 parts of inorganic gelling material, 6 parts of butyl acetate, and 6 parts of polyvinyl alcohol.

[0036] The preparation method of the above-mentioned low-temperature film-forming fluorocarbon coating comprises the following steps:

[0037] Step 1, mix fluorocarbon resin, nano-titanium dioxide, dioctyl phthalate, hydroxyl polyester, epoxy resin and mo...

Embodiment 3

[0043] A low-temperature film-forming fluorocarbon coating, including a main paint and a curing agent, the weight ratio of the main paint and the curing agent is 150:1; the main paint is mixed by the following components in parts by weight: 45 parts of fluorocarbon resin, 4 parts of nano titanium dioxide, 8 parts of dioctyl phthalate, 28 parts of hydroxyl polyester, 5 parts of epoxy resin, 37 parts of montmorillonite, 3 parts of barium sulfate, 4 parts of fly ash, 56 parts of polycarbonate diols, 28 parts of n-butanol, 38 parts of hydroxymethyl cellulose, 3 parts of lubricants, 3 parts of bactericides, 3 parts of leveling agents; Components: 5 parts of inorganic gelling material, 8 parts of butyl acetate, 30 parts of polyvinyl alcohol.

[0044] The preparation method of the above-mentioned low-temperature film-forming fluorocarbon coating comprises the following steps:

[0045] Step 1, mix fluorocarbon resin, nano-titanium dioxide, dioctyl phthalate, hydroxyl polyester, epoxy...

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Abstract

The invention discloses a fluorocarbon coating capable of forming a film at low temperature and a preparation method thereof. The fluorocarbon coating comprises main paint and a curing agent, whereinthe weight ratio of the main paint to the curing agent is (120-150):1; after montmorillonite is modified in the main paint, the flexibility and aging resistance of the fluorocarbon coating are improved; the curing agent adopts an inorganic gel material, so that the harm to the environment is reduced on the premise of ensuring the adhesion performance of the fluorocarbon coating. Compared with theprior art, the fluorocarbon coating for low-temperature film formation is simple in component, bright in color, low in surface tension, high in weather resistance and high in normal-temperature curingspeed, and the problem of high-temperature film formation is solved.

Description

technical field [0001] The invention belongs to the field of fluorocarbon coatings, and in particular relates to a low-temperature film-forming fluorocarbon coating and a preparation method thereof. Background technique [0002] Fluorocarbon coatings refer to coatings made of fluorine-containing copolymer resins or copolymers of fluoroolefins and other monomers as the main film-forming substance, which are processed, modified and ground. At present, there are mainly four types of fluororesin coatings that are widely used. Vinyl fluoride (PTFE), polyvinylidene fluoride (PVDF), polyvinyl fluoride (PVF), etc. These coatings have excellent weather resistance, solvent resistance and high temperature resistance, but they must be baked at high temperature to melt and form a film. It is not suitable for on-site construction, which limits the development of the coating itself. In addition, organic solvent-based fluororesin coatings are also widely used. Fluororesin coatings dissolve...

Claims

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Application Information

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IPC IPC(8): C09D169/00C09D127/12C09D167/00C09D163/00C09D101/28C09D7/61C09D7/63
CPCC08K2003/3045C08L2205/035C09D7/61C09D7/63C09D169/00C08L27/12C08L67/00C08L63/00C08L1/284C08K13/02C08K3/22C08K5/12C08K3/346C08K3/30
Inventor 李铜玲
Owner 淮安正天新材料科技有限公司
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