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Coil coating and production method thereof

A technology of coil coating and epoxy resin, which is applied in the field of coatings, can solve the problems of poor corrosion resistance, weather resistance and durability, etc., and achieve the effects of good scratch resistance, excellent adhesion, and strong acid and wear resistance

Active Publication Date: 2021-03-16
广西南宁维一防腐科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current coil coatings still have many problems, such as poor corrosion resistance, weather resistance, and durability.

Method used

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  • Coil coating and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] The coil coating comprises the following raw materials in parts by weight: 80 parts of epoxy resin; 50 parts of acrylic resin; 15 parts of polyvinylidene fluoride; 3 parts of garnet; 10 parts of glass fiber; 5 parts of titanium dioxide; 5 parts of zinc oxide; 0.5 part of auxiliary agent.

[0048] The garnet is a garnet filter material with a particle size of 200 mesh; the glass fiber is silk powder with a particle size of 26 μm; the leveling agent is a leveling agent deggusa1484; the coupling agent is a three-tert Butoxyvinylsilane and γ-(β-aminoethyl)aminopropyltrimethoxysilane are mixed in a weight ratio of 1:1.

[0049] The production method of coil coating, the steps are as follows:

[0050] Add epoxy resin, acrylic resin, polyvinylidene fluoride and dispersant to the reactor, stir at 1100r / min for 21 minutes; then put titanium dioxide and zinc oxide into the reactor, stir at 580r / min, stir for 20min ; Put the glass fiber into it, heat it in a water bath at 45°C, ...

Embodiment 2

[0052] Coil coating, comprising the following raw materials in parts by weight: 90 parts of epoxy resin; 60 parts of acrylic resin; 17 parts of polyvinylidene fluoride; 4 parts of garnet; 12 parts of glass fiber; 6 parts of titanium dioxide; 6 parts of zinc oxide; 1 part of auxiliary agent.

[0053] The garnet is a garnet filter material with a particle size of 300 mesh; the glass fiber is silk powder with a particle size of 27 μm; the leveling agent is a mixture of leveling agents deggusa1484 and EFKA3777; the coupling agent, Mix any two of γ-methacryloxypropyl tris(β-methoxyethoxy)silane and γ-isocyanatopropyl trimethoxysilane in a weight ratio of 1:1.

[0054] The production method of coil coating, the steps are as follows:

[0055] Add epoxy resin, acrylic resin, polyvinylidene fluoride and dispersant to the reactor, stir at 1200r / min for 25 minutes; then put titanium dioxide and zinc oxide into the reactor, stir at 620r / min, stir for 50min ; Put the glass fiber into it,...

Embodiment 3

[0057] The coil coating comprises the following raw materials in parts by weight: 100 parts of epoxy resin; 65 parts of acrylic resin; 17 parts of polyvinylidene fluoride; 4 parts of garnet; 13 parts of glass fiber; 8 parts of titanium dioxide; 8 parts of zinc oxide; 1.5 parts of auxiliary agent.

[0058] The garnet is a garnet filter material with a particle size of 400 mesh; the glass fiber is silk powder with a particle size of 28 μm; the leveling agent is a mixture of leveling agents deggusa1484, EFKA3777 and EFKA3239; the coupling The agent is tri-tert-butoxyvinylsilane and γ-methacryloxypropyltris(β-methoxyethoxy)silane mixed in a weight ratio of 1:1.

[0059] The production method of coil coating, the steps are as follows:

[0060] Add epoxy resin, acrylic resin, polyvinylidene fluoride and dispersant to the reactor, stir at 1100r / min for 25 minutes; then put titanium dioxide and zinc oxide into the reactor, stir at 620r / min, stir for 50min ; Put the glass fiber into ...

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Abstract

The invention relates to the field of coating, in particular to coil coating and a production method thereof. The coil coating comprises the following raw materials in parts by weight: 80-120 parts ofepoxy resin, 50-70 parts of acrylic resin, 15-20 parts of polyvinylidene fluoride, 3-5 parts of garnet, 10-15 parts of glass fiber, 5-10 parts of titanium dioxide, 5-10 parts of zinc oxide, and 0.5-2parts of auxiliary agent. The prepared coil coating has a reflection effect on ultraviolet light, prevents the aging, powdering, cracking and other damage of a formed film caused by the photochemicalreaction of the ultraviolet light on a coating, and enhances the weather resistance of the coating; and the coil coating has excellent comprehensive mechanical properties, high storage stability, good decorativeness, protectiveness, durability, stamping resistance, abrasion resistance, light resistance, weather resistance, scratch resistance, physical hardness and the like, fine texture, smooth appearance, no dust accumulation, gloss and color retention and excellent adhesiveness, and is not easy to yellow.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a coil coating and a production method thereof. Background technique [0002] With the continuous maturity of technology, the development of coil coatings is very fast. Coil materials were first put into the market in the United States in the 1930s, while the development history of coil coatings in my country began in the 1980s. Coil coatings are not as familiar and well-known as architectural coatings and furniture coatings in the coatings industry, but they are also an indispensable industrial coating for social development. [0003] Coil coating is a special coating mainly used to coat the surface of steel plate and aluminum plate to make pre-coated coil. At present, coil coating technology is mainly developed in the direction of ultra-long life, product functionality and environmental friendliness, and is constantly exploring new application fields. Coiled materials are widely used ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D133/04C09D127/16C09D7/61
CPCC08K2003/2241C08K2003/2296C08L2201/08C08L2205/03C09D163/00C09D7/61C09D7/70C08L33/04C08L27/16C08K13/04C08K7/14C08K3/22C08K3/34
Inventor 李金庆李常勇王全忠
Owner 广西南宁维一防腐科技有限公司
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