Unlock instant, AI-driven research and patent intelligence for your innovation.

Powder coating special for coastal corrosion resistance and preparation method thereof

A powder coating and coastal technology, applied in powder coatings, anti-corrosion coatings, anti-fouling/underwater coatings, etc., can solve the problems that anti-corrosion materials are easily corroded by seawater and salt spray, and achieve good anti-corrosion effects

Inactive Publication Date: 2016-09-21
秦皇岛秦鼎高新环保科技开发有限公司
View PDF4 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above situation, the present invention provides a special powder coating for coastal anti-corrosion, which effectively solves the problem that anti-corrosion materials used in construction facilities in coastal areas are easily corroded by seawater and salt spray

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Powder coating special for coastal corrosion resistance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Take 60 kg of epoxy resin, 15 kg of phenolic resin, 25 kg of acrylic resin, 18 kg of curing agent, 12 kg of leveling agent, 5 kg of brightening agent, 1 kg of catalyst, 10 kg of titanium dioxide, 25 kg of infrared ceramic powder, 30 kg of wollastonite powder, ultrafine inorganic antibacterial 1kg anti-porosity agent, 1kg pigment, put the above raw materials into a high-speed mixer, mix at high speed to form a powder for 3 minutes, and then pass through a twin-screw extruder at different temperatures in stages (86°C in zone 1 , 106°C in zone 2, 110°C in zone 3) Melt extrusion, tableting, air cooling, crushing into small pieces, and then grinding into a powder that meets the requirements through a high-speed mill, and the particle size is determined by sieving. After passing the inspection, it is a finished product .

[0019] How to use: Electrostatically spray on the surface of the metal surface, melt and solidify to form a 100μm~150μm anti-corrosion coating. The paint ...

Embodiment 2

[0026] Take 60kg of epoxy resin, 15kg of phenolic resin, 25kg of acrylic resin, 18kg of curing agent, 15kg of leveling agent, 5kg of brightening agent, 1kg of catalyst, 10kg of titanium dioxide, 25kg of infrared ceramic powder, 40kg of wollastonite powder, and 1kg of ultrafine inorganic antibacterial agent , 1 kg of anti-porosity agent, 1 kg of pigment, put into a high-speed mixer, mix at high speed for 3 minutes to form a powder, and then pass through a twin-screw extruder at different temperatures in sections (86°C in zone 1, 106°C in zone 2, Zone 3 (110°C), melt extruding, tableting, air cooling, crushing into small pieces, and then grinding into powder that meets the requirements through a high-speed mill.

[0027] Electrostatic spraying for sample testing: curing time 3min, curing temperature 230°C, coating appearance smooth, no marks, no bubbles, no convex and concave defects; adhesion level 1; impact strength 13J; bending resistance (4º) without cracks . Meet the quali...

Embodiment 3

[0029] Take 60 kg of epoxy resin, 15 kg of phenolic resin, 25 kg of acrylic resin, 18 kg of curing agent, 10 kg of leveling agent, 4 kg of brightening agent, 1 kg of catalyst, 10 kg of titanium dioxide, 2 kg of ultrafine inorganic antibacterial agent, 25 kg of infrared ceramic powder, silicon Put 35kg of limestone powder, 0.6kg of anti-porosity agent, and 1kg of pigment into a high-speed mixer, mix at high speed for 3 minutes to form a powder, and then pass through a twin-screw extruder at different temperatures in sections (1 zone 86°C, 2 Zone 106°C, Zone 3 110°C), melt extrusion, tableting, air cooling, crushing into small pieces, and then through a high-speed mill to grind into a powder that meets the requirements, and the particle size is determined by sieving.

[0030] Electrostatic spraying for sample testing: curing time 5 minutes, curing temperature 230 ℃, coating appearance smooth, no marks, no bubbles, no convex and concave defects; adhesion level 1; impact strength 1...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a powder coating special for coastal corrosion resistance. The powder coating is prepared from, by weight, epoxy resin, phenolic resin, acrylic resin, a curing agent, a flatting agent, a luster-enhancing agent, a catalyst, a hole eliminating agent, titanium dioxide, wollastonite in powder, infrared ceramic powder, an ultrafine inorganic antibacterial agent and pigment; the raw materials are mixed into powder at a high speed and then subjected to a melt reaction through a twin-screw extruder, a viscose-shaped body is modified and extruded, a product is rolled into continuous pieces ranging from 1.5 mm to 2 mm in thickness, cooled with air and hardened and rolled into debris through a spike roller, then the debris is ground into powder ranging from 180 meshes to 200 meshes through a high-speed powder grinding machine, and the powder coating special for coastal corrosion resistance meeting the granularity requirement is obtained through sieving and selecting. The powder coating is sprayed on the surface of metal through static electricity, a corrosion-resistant coating layer ranging from 100 microns to 150 microns is formed through melting and solidification, and the powder coating is high in adhesive force, large in surface density, high in hardness, flat and smooth, resistant to impact, good in wear resistance and resistant to acid corrosion, alkali corrosion, salt corrosion and salt mist corrosion and is an ideal corrosion-resistant material for urban construction in coastal regions.

Description

technical field [0001] The invention relates to a powder coating, in particular to a special powder coating for coastal anticorrosion and a preparation method thereof. Background technique [0002] With the rapid development of urban construction in coastal areas, seawater and salt spray corrosion have brought great disadvantages to coastal construction, directly affecting and damaging urban construction in coastal areas. At present, epoxy anti-corrosion paint is mostly used for coastal building facilities and ship anti-corrosion. However, due to the simple production process of epoxy anti-corrosion paint, most of them are blended paints, the apparent density of the coating is small, and the coating tends to produce more pinholes during curing, and the adhesion is poor, which leads to the salt water resistance and salt resistance of the coating. The mist performance is poor, and the anti-corrosion effect cannot meet the requirements. Generally, the service life is at most o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D161/06C09D133/00C09D5/03C09D5/08C09D5/14
CPCC09D163/00C09D5/038C09D5/08C09D5/14C08L2205/035C08L61/06C08L33/00C08K13/02C08K3/015
Inventor 孟鋆辉甄春山
Owner 秦皇岛秦鼎高新环保科技开发有限公司