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Method of preparing composite material

A composite material and reinforced material technology, which is applied in the field of composite material preparation, can solve the problems of high cost and difficult construction, and achieve the effects of low cost, convenient production and construction, and good repairability

Inactive Publication Date: 2009-02-18
JIANGXI COPPER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, general synthetic resin-based composite materials such as epoxy FRP, unsaturated polyester FRP, phenolic FRP, furan FRP, and inorganic FRP such as magnesite FRP are not resistant to concentrated acids, especially high-temperature concentrated acids (such as 98°C at 100°C). % sulfuric acid, 97% nitric acid at 100°C) corrosion; and the anti-corrosion method under the concentrated acid medium mainly adopts thick and difficult construction and high cost methods such as ceramic tile lining, lead plate lining, and acid-resistant mortar lining, or adopts Low-carbon stainless steel, duplex stainless steel, titanium alloy, nickel alloy and other expensive alloy materials are used to make equipment or pipeline bodies or their linings to meet anti-corrosion requirements

Method used

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  • Method of preparing composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: It is used as an isolation layer for linings such as ceramic tiles, and its reinforcement layer adopts glass cloth and glass felt

[0019] 1. Clay formula

[0020] Material Weight (parts)

[0021] Na 2 O nSiO 2 100

[0022] Sodium fluorosilicate 8

[0023] Cast Stone Dust 50

[0024] Quartz powder 32

[0025] Lead monoxide 5

[0026] Fumed silica 2

[0027] Silica powder 20

[0028] 2. Glue formula

[0029] Material Weight (parts)

[0030] Na 2 O nSiO 2 100

[0031] Sodium fluorosilicate 8

[0032] cast stone powder 8

[0033] Quartz powder 5

[0034] Silica powder 2

[0035] Lead monoxide 5

[0036] 3. Reinforcement material: use glass fiber cloth and glass fiber felt.

[0037] When mixing glue, firstly mix cast stone powder, quartz powder, silica powder, fumed silica, sodium fluorosilicate and lead monoxide evenly, then add Na 2 O nSiO 2 In the middle, the machine wet mixes evenly to make cement and ...

Embodiment 2

[0039] Embodiment 2: Used as the lining of the flue gas pipe, the surface cement layer adopts glass flake acid-resistant powder

[0040] 1. Bottom layer cement formula

[0041] Material Weight (parts)

[0042] Li 2 O nSiO 2 100

[0043] Condensed Aluminum Phosphate 8

[0044] Cast stone powder 72

[0045] Hollow glass microspheres 10

[0046] Fumed silica 2

[0047] Zinc oxide 2

[0048] Diatomaceous earth 16

[0049] 2. Formula of surface layer mastic

[0050] Material Weight (parts)

[0051] Li 2 O nSiO 2 100

[0052] Condensed Aluminum Phosphate 8

[0053] glass flakes 138

[0054] Hollow glass microspheres 20

[0055] Cast Stone Dust 60

[0056] Zinc oxide 2

[0057] Fumed silica 1

[0058] Sodium tripolyphosphate solution 1

[0059] 3. Glue formula

[0060] Material Weight (parts)

[0061] Li 2 O nSiO 2 100

[0062] Condensed Aluminum Phosphate 8

[0063] Cast stone powder 14

[0064] Hollow glass micr...

Embodiment 3

[0070] Embodiment 3: It is used as an acid-resistant pipeline, and the surface cement layer is made of glass flake acid-resistant powder

[0071] 1. Formula of surface layer mastic

[0072] Material Weight (parts)

[0073] K 2 O nSiO 2 100

[0074] Aluminum tripolyphosphate 10

[0075] Cast Stone Dust 40

[0076] Quartz Powder 40

[0077] Aluminum oxide 2

[0078] Clay 8

[0079] Diatomaceous earth 15

[0080] Water-soluble epoxy resin 4

[0081] Chemical Reagent (K) 1

[0082] 2. Bottom layer clay formula

[0083] Material Weight (parts)

[0084] K 2 O nSiO 2 100

[0085] Aluminum tripolyphosphate 10

[0086] glass flakes 130

[0087] Cast stone powder 82

[0088] Aluminum oxide 2

[0089] Clay 8

[0090] Diatomaceous earth 15

[0091] Sodium tripolyphosphate solution 1

[0092] 3. Glue formula

[0093] Material Weight (parts)

[0094] K 2 O nSiO 2 100

[0095] Aluminum tripolyphosphate 10

[0096]...

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Abstract

The invention provides a preparation method of a composite material, which is characterized in that the composite material adopts specific fiber to serve as a reinforced material, adopts a sizing material which is composed of specific adhesive, acid resistant powder lot, modifying agent and firming agent to serve as cementing materials, and is formed through working procedure such as glue matching, clearcole painting, reinforced layer spreading, side glue painting, solidification, conservation, acidizing, and the like. The invention has the advantages of convenient manufacture and construction, low construction cost, good maintainability, normal temperature or high temperature concentrated acid proofing, and acidity flue gas corrosion proofing, the temperature of the concentrated acid proofing can achieve 350 DEG C, and the temperature of the acidity flue gas proofing can achieve 600 DEG C to 800 DEG C.

Description

Technical field: [0001] The invention relates to a preparation method of a composite material, in particular to a preparation method of a composite material resistant to corrosion by concentrated acid and acid flue gas at normal temperature or high temperature. Background technique: [0002] At present, general synthetic resin-based composite materials such as epoxy FRP, unsaturated polyester FRP, phenolic FRP, furan FRP, and inorganic FRP such as magnesite FRP are not resistant to concentrated acids, especially high-temperature concentrated acids (such as 98°C at 100°C). % sulfuric acid, 97% nitric acid at 100°C) corrosion; and the anti-corrosion method under the concentrated acid medium mainly adopts thick and difficult construction and high cost methods such as ceramic tile lining, lead plate lining, and acid-resistant mortar lining, or adopts Low-carbon stainless steel, duplex stainless steel, titanium alloy, nickel alloy and other expensive alloy materials are used to m...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B14/38
Inventor 胡剑斌
Owner JIANGXI COPPER CORP
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