Anticorrosive paint composition comprising modified ceramic waste and preparation method thereof

A technology of ceramic waste and anti-corrosion coatings, applied in anti-corrosion coatings, chemical instruments and methods, polyurea/polyurethane coatings, etc., can solve the problems of land occupation and impact on the ecological environment, and achieve the effects of improving service life and good high temperature resistance

Inactive Publication Date: 2015-09-30
HUNAN RUISHI SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These wastes are still mainly disposed of in landfill, occupying land and affecting the ecological environment

Method used

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  • Anticorrosive paint composition comprising modified ceramic waste and preparation method thereof
  • Anticorrosive paint composition comprising modified ceramic waste and preparation method thereof
  • Anticorrosive paint composition comprising modified ceramic waste and preparation method thereof

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preparation example Construction

[0060] Preparation of Ceramic Waste Antirust Pigment (1)

[0061] Take 75 kg of 500 mesh (25 μm) ceramic waste powder prepared above, 15 kg of 500 mesh (25 μm) mica iron oxide powder, and 10 kg of 500 mesh (25 μm) phosphate rock powder, mix them evenly in a high-speed mixer, and add KH-550 (γ-chloropropyltriethoxysilane) 1kg was subjected to surface treatment to obtain ceramic waste antirust pigment (1), with an average particle size of 500 mesh (25 μm).

[0062] Preparation of Ceramic Waste Antirust Pigment (2)

[0063]Take 75 kg of 500 mesh (25 μm) ceramic waste powder prepared above, 20 kg of 500 mesh (25 μm) mica iron oxide powder, 5 kg of 500 mesh (25 μm) phosphate rock powder, and mix them evenly in a high-speed mixer, and add CT-114 (Monoalkoxy tris(-octylphosphorphenoxy) titanate) 1kg was subjected to surface treatment to obtain ceramic waste antirust pigment (2), with an average particle size of 500 mesh (25 μm).

[0064] Preparation of Ceramic Waste Antirust Pigmen...

Embodiment 1

[0068] Add 55 parts by weight of acrylic resin (ethyl acrylate / propyl acrylate / hydroxyethyl acrylate terpolymer, mass ratio about 60:33:7, number average molecular weight 51,000) and 15 parts by weight of xylene into the tank , stir and disperse evenly, then add dispersant polyacrylamide 0.7 weight part, low molecular weight polysiloxane defoamer 0.7 weight part, stir evenly, prepare corresponding varnish; Add ceramic waste antirust pigment (1) 25 in this varnish Parts by weight, porous carbon powder (BET specific surface area is 1000m 2 / g, the average particle diameter is 16 μm) 10 parts by weight, graphite powder 10 parts by weight, stirring and dispersing for a certain period of time, until each pigment and filler is fully wetted, a preliminary paint is obtained; this preliminary paint is ground, and the viscosity is adjusted with xylene , to a fineness of 60 μ m or less, the viscosity is about 16-20s (paint four cups), then add 3 parts by weight of 4,4'-diphenylmethane d...

Embodiment 2

[0072] Add 60 parts by weight of polyurethane resin (number average molecular weight 125,000) and 40 parts by weight of xylene into the adjusting tank, stir and disperse evenly, and then add 0.7 parts by weight of dispersant polyacrylamide and stir evenly to prepare the corresponding varnish; in this varnish Add ceramic waste antirust pigment (2) 40 weight parts, porous carbon powder (BET specific surface area is 1000m 2 / g, the average particle diameter is 16 μ m) 10 weight parts, graphite powder 15 weight parts, bentonite 10 weight parts, stir and disperse for a certain period of time, fully wetting to each pigment and filler, obtain preliminary paint; Molecular weight polysiloxane defoamer 0.7 parts by weight, and grind, adjust viscosity with xylene, until the fineness reaches below 60 μm, the viscosity is about 16-20s (coating four cups), then add 3.5 parts by weight of 4,4 '-diphenylmethane diisocyanate (MDI), stirring and mixing to obtain ceramic waste anticorrosion coat...

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Abstract

The invention discloses a ceramic waste anticorrosive paint with favorable brine/salt mist corrosion resistance and favorable heat resistance and a preparation method thereof. The ceramic waste anticorrosive paint is prepared by adding a filler, an assistant and porous carbon powder on the basis of a film forming matter, a ceramic waste antirust pigment and aminosilane-modified vapor-phase-process silica. The ceramic waste anticorrosive paint comprehensively utilizes and converts solid waste resources into the high-value high-performance antirust pigment suitable for the paint, and implements harmless and recycling treatment on the ceramic waste. The anticorrosive paint has the characteristics of excellent properties, high cost performance, environment friendliness, no toxicity and the like.

Description

technical field [0001] The invention relates to an anticorrosion coating composition containing modified ceramic waste and a preparation method thereof, in particular to an environment-friendly anticorrosion coating. technical background [0002] Corrosion of materials is costly to the global economy and is a serious problem worldwide. In order to reduce the loss of corrosion, many measures have been taken, but anti-corrosion coatings are still the most effective, economical and widely used. [0003] At present, the commonly used anti-rust pigments for anti-corrosion coatings on the market mainly include zinc powder, phosphate, molybdate, borate, metaborate and polyphosphate, etc., which have excellent anti-corrosion performance, but their production cost and price are relatively high. , so that the cost of the anti-corrosion coating is relatively high. [0004] With the rapid development of my country's ceramic industry, there are more and more ceramic wastes. These wast...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D175/04C09D183/04C09D7/12C09D5/08C09C1/00C09C1/28C09C3/12C09C3/08C09C3/06
Inventor 敬波孙丽红覃盛涛曹静刘翠
Owner HUNAN RUISHI SCI & TECH DEV
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