CN103709857B - Long-acting composite coating of a kind of inorganic silicon alkanisation and preparation method thereof - Google Patents
Long-acting composite coating of a kind of inorganic silicon alkanisation and preparation method thereof Download PDFInfo
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- CN103709857B CN103709857B CN201310085005.4A CN201310085005A CN103709857B CN 103709857 B CN103709857 B CN 103709857B CN 201310085005 A CN201310085005 A CN 201310085005A CN 103709857 B CN103709857 B CN 103709857B
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Abstract
The present invention relates to technical field of polymer composite materials, be specifically related to a kind of composite coating and preparation method thereof.The long-acting composite coating of a kind of inorganic silicon alkanisation, consists of the following composition: compound binding agent 30% ~ 60%, silanization composite granule 40% ~ 70% by weight percentage.A preparation method for the long-acting composite coating of inorganic silicon alkanisation, comprises step 1) and utilizes compound binding agent to prepare component to obtain inorganic macromolecular composite binder solution; 2) utilize silanization composite granule to prepare component and obtain silanization composite granule; 3) utilize step 1) and 2) in obtained binder solution and composite granule obtain finished product.Owing to adopting technique scheme, the product that the present invention obtains overcomes the defect such as working conditions harshness, welding of traditional solvent-borne dual-component coating, have environmental protection, energy-saving and cost-reducing, lastingly durable, the advantages such as economical and efficient, are applicable to industrial large-scale production.
Description
Technical field
The present invention relates to technical field of polymer composite materials, be specifically related to a kind of composite coating and preparation method thereof.
Background technology
After Copenhagen World Climate Conference lowers the curtain, low-carbon economy has become China's economic transition and has broken through the inevitable choice of development.This situation makes domestic traditional coating market and application of paints present situation be encountered by huge challenge.
Under severe Working environment, apparatus surface is generally all provided with heavy-duty coating and has corrosive gas, liquid erosion in order to resist the external world, and its end of traditional heavy-duty coating, intermediate coat mostly use solvent-based two-component epoxies traditional coating.This coating except havoc environment, consume except the energy, and harsh to construction environment conditional request, general demand fulfillment envrionment temperature >=5 DEG C, the working conditions of humidity≤90%; During paint, first thermalization, and require to finish using in≤2H.Use could be solidified completely after needing to reach 7 days under coating normal temperature.
Summary of the invention
The object of the invention is to, provide a kind of inorganic silicon alkanisation long-acting composite coating, solve above technical problem.
Another object of the present invention is to, the preparation method of the long-acting composite coating of a kind of inorganic silicon alkanisation is provided.
Technical problem solved by the invention can realize by the following technical solutions:
The long-acting composite coating of a kind of inorganic silicon alkanisation, is characterized in that, consist of the following composition by weight percentage:
Compound binding agent 30% ~ 60%,
Silanization composite granule 40% ~ 70%.
The preparation component of described compound binding agent is organosilicon crylic acid latex, water-soluble polypropylene acid resin and Nano silica sol, and its mass concentration is respectively: organosilicon crylic acid latex 10% ~ 50%, water-soluble polypropylene acid resin 20% ~ 50%, Nano silica sol 10% ~ 40%.
The preparation component of described silanization composite granule is aqueous silane coupling agent, SiO
2powder, iron mica, Al
2o
3powder, BaSO
4powder, its mass percent is respectively: aqueous silane coupling agent 0.1% ~ 8%, SiO
2powder 5% ~ 30%, iron mica 10% ~ 40%, Al
2o
3powder 5% ~ 10%, BaSO
4powder 30% ~ 50%.
The particle diameter of the powder material in the preparation component of described silanization composite granule is respectively: SiO
210 μm ~ 200 μm, powder, iron mica 10 μm ~ 200 μm, Al
2o
310 μm ~ 200 μm, powder, BaSO
410 μm ~ 200 μm, powder.
Product provided by the invention has the features such as nontoxic, basic VOC free discharge, reduces atmospheric pollution and energy consumption, environmental protection; Owing to not having alkylphenol contained in traditional coating and the impact of perfluoro octane sulfonate, product is made to have longer work-ing life relative to traditional coating; This product or a kind of single-component novel material simultaneously, to construction environment without particular requirement, to the preparation of coating and maintenance cost low, be suitable for the big area such as Offshore Units, boats and ships, oil tank and operation under the poor environment of ventilation condition, solve the familiar lacunas of steel iron facilities, component traditional solvent-borne dual-component coating under severe corrosive environment.
A preparation method for the long-acting composite coating of inorganic silicon alkanisation, it is characterized in that, step is as follows:
1) compound binding agent adding certain mass concentration respectively in binding agent mixing kettle prepares component, makes it mix after stirring certain hour under normal temperature, obtains the inorganic macromolecular composite binder solution of certain density and certain pH value;
2) take silanization composite granule by a certain percentage and prepare component, aqueous silane coupling agent is wherein dropped in receiver, and be filled with the internal pressure that pressurized air controls receiver, the powder material prepared by silanization composite granule in component drops into and revolves in point moisture eliminator, then warm air is sent into control revolving a point working temperature for moisture eliminator inside with certain pressure intensity from revolving bottom point moisture eliminator, after revolving the combination drying process of point moisture eliminator certain time, aqueous silane coupling agent in receiver is sprayed into and revolves a point moisture eliminator, to carry out surface silanization process to the powder material wherein mixed, silanization composite granule is obtained after continuing certain treatment time,
3) a certain amount of inorganic macromolecular composite binding agent and a certain amount of silanization composite granule is taken, inorganic macromolecular composite binding agent is put into dragging after in cylinder of high speed dispersor, open high speed dispersor, slowly add silanization composite granule under the low speed, then the rotating speed of high speed dispersor is improved, after this, obtained finished product after high-speed stirring certain hour is continued until high speed dispersor.
The invention provides a kind of cost lower, to safeguard and adjustment is simple, easy construction and the preparation method of the long-acting heavy-duty coating of low-carbon (LC).The innovation of preparation method of the present invention, makes coating environmental protection, compares the traditional coating quality guarantee period of 3 months, substantially increases the work-ing life of coating, its extended shelf-life to 6 month; The silanization treatment of composite granule, makes its Water-borne modification, also makes later stage coating good leak tightness, has long-effective corrosion effect; And preparation method of the present invention is easy and simple to handle, is applicable to industrial large-scale production, has broad application prospects.
Described inorganic macromolecular composite binder solution is the transparent liquid that outward appearance is creamy white, and normal temperature lower density is 1 ~ 1.15g/cm3, and pH value is 8 ~ 8.5.
Described processing step 2) in receiver internal pressure control at 0.1MP ~ 0.4MP.
Described processing step 2) in warm air input pressure be 0.05MP ~ 0.2MP.
Described processing step 2) in a point moisture eliminator working temperature of revolving control at 80 DEG C ~ 100 DEG C.
Described processing step 2) in the combination drying process duration revolving point moisture eliminator be 5min ~ 15min.
Described processing step 2) in the surface silanization treatment time be 20min ~ 30min.
Described processing step 3) in the rotating speed of high speed dispersor be 800 turns/min ~ 1600 turn/min.
Described processing step 3) in working hour of high speed dispersor continue 30min ~ 60min.
Beneficial effect: owing to adopting technique scheme, the product that the present invention obtains overcomes the defect such as working conditions harshness, welding of traditional solvent-borne dual-component coating, have environmental protection, energy-saving and cost-reducing, lastingly durable, the advantages such as economical and efficient, are applicable to industrial large-scale production.
Accompanying drawing explanation
Fig. 1 is processing step schema of the present invention.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
The preparation method of the long-acting composite coating of a kind of inorganic silicon alkanisation, comprise compound binding agent and prepare component and silanization composite granule prepares component, compound binding agent is prepared component and is comprised organosilicon crylic acid latex, water-soluble polypropylene acid resin, Nano silica sol, and silanization composite granule is prepared component and comprised aqueous silane coupling agent, SiO
2powder, iron mica, Al
2o
3powder, BaSO
4powder, with reference to Fig. 1, also comprises following processing step:
1) in binding agent mixing kettle, add each compound binding agent component of certain mass concentration respectively, after stirring 30min under normal temperature, make it mix, obtain the inorganic macromolecular composite binder solution of certain density and pH value;
2) take silanization composite granule by a certain percentage and prepare component, aqueous silane coupling agent is wherein dropped in receiver, and be filled with pressurized air and control the internal pressure of receiver between 0.1MP ~ 0.4MP, the powder material prepared by silanization composite granule in component drops into and revolves in point moisture eliminator, then warm air is sent into control to revolve point working temperature of moisture eliminator inside at 80 DEG C ~ 100 DEG C with 0.05MP ~ 0.2MP pressure from revolving bottom point moisture eliminator, after revolving point moisture eliminator and continuing the combination drying process of 5min ~ 15min, aqueous silane coupling agent is internally sprayed into when temperature rises to 80 DEG C in it, to carry out surface silanization process to the powder material wherein mixed, silanization composite granule is obtained after continuing process 20min ~ 30min,
3) quantitative inorganic macromolecular composite binding agent and quantitative silanization composite granule is taken, inorganic macromolecular composite binding agent is put into rotating speed to the 800 turn/min of adjustment high speed dispersor after the dragging in cylinder of high speed dispersor, and slowly add silanization composite granule, then rotating speed to the 1500 turn/min of high speed dispersor is improved, after this, obtained finished product after high-speed stirring 30min ~ 60min is continued until high speed dispersor.
The mass concentration that compound binding agent prepares component is respectively: organosilicon crylic acid latex 10% ~ 50%, water-soluble polypropylene acid resin 20% ~ 50%, Nano silica sol 10% ~ 40%.
The mass percent that composite granule prepares component is respectively: aqueous silane coupling agent 0.1% ~ 8%, SiO
2powder 5% ~ 30%, iron mica 10% ~ 40%, Al
2o
3powder 5% ~ 10%, BaSO
4powder 30% ~ 50%.
The particle diameter of the powder material that composite granule is prepared in component is respectively: SiO
210 μm ~ 200 μm, powder, iron mica 10 μm ~ 200 μm, Al
2o
310 μm ~ 200 μm, powder, BaSO
410 μm ~ 200 μm, powder.
Inorganic macromolecular composite binder solution obtained in step 1) is the transparent liquid that outward appearance is creamy white, and normal temperature lower density is 1 ~ 1.15g/cm3, and pH value is 8 ~ 8.5.
Embodiment one:
(1) mass concentration 30% organosilicon crylic acid latex 30kg is taken, mass concentration 45% water-soluble polypropylene acid resin 30kg, mass concentration 30% silicon sol 40kg, by processing step 1) mode obtains milky compoiste adhering agent solution, recording pH value is 8.5, and density is 1.05;
(2) aqueous silane coupling agent 1kg is taken, SiO
2powder 15kg, iron mica powder 35kg, Al
2o
3powder 5kg, BaSO
4powder 45kg, receiver internal pressure controls at 0.2MP, warm air input pressure 0.15MP, and the surface silanization treatment time is 20min, according to processing step 2) mode obtains silanization composite granule;
(3) take 50kg inorganic macromolecular composite binder solution, 50kg silanization composite granule, the high speed dispersor high-speed stirring time is set as 45min, according to processing step 3) obtain finished product.
Embodiment two:
(1) mass concentration 30% organosilicon crylic acid latex 30kg is taken, mass concentration 50% water-soluble polypropylene acid resin 30kg, mass concentration 30% silicon sol 40kg, by processing step 1) mode obtains milky compoiste adhering agent solution, recording pH value is 8.0, and density is 1.10;
(2) aqueous silane coupling agent 5kg is taken, SiO
2powder 20kg, iron mica powder 20kg, Al
2o
3powder 5kg, BaSO
4powder 50kg, receiver internal pressure controls at 0.2MP, warm air input pressure 0.15MP, and the surface silanization treatment time is 20min, according to processing step 2) mode obtains silanization composite granule;
(3) with embodiment one (3).
Embodiment three:
(1) mass concentration 50% organosilicon crylic acid latex 30kg is taken, mass concentration 20% water-soluble polypropylene acid resin 30kg, mass concentration 30% silicon sol 40kg, by processing step 1) mode obtains milky compoiste adhering agent solution, recording pH value is 8.5, and density is 1.15;
(2) aqueous silane coupling agent 5kg is taken, SiO
2powder 20kg, iron mica powder 20kg, Al
2o
3powder 5kg, BaSO
4powder 55kg, receiver internal pressure controls at 0.2MP, warm air input pressure 0.15MP, and the surface silanization treatment time is 20min, according to processing step 2) mode obtains silanization composite granule;
(3) with embodiment one (3).
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (8)
1. the long-acting composite coating of inorganic silicon alkanisation, is characterized in that, consist of the following composition by weight percentage:
Compound binding agent 30% ~ 60%,
Silanization composite granule 40% ~ 70%;
The preparation component of described compound binding agent is organosilicon crylic acid latex, water-soluble polypropylene acid resin and Nano silica sol, and its mass concentration is respectively: organosilicon crylic acid latex 10% ~ 50%, water-soluble polypropylene acid resin 20% ~ 50%, Nano silica sol 10% ~ 40%;
The preparation component of described silanization composite granule is aqueous silane coupling agent, SiO
2powder, iron mica, Al
2o
3powder and BaSO
4powder, its mass percent is respectively: aqueous silane coupling agent 0.1% ~ 8%, SiO
2powder 5% ~ 30%, iron mica 10% ~ 40%, Al
2o
3powder 5% ~ 10%, BaSO
4powder 30% ~ 50%.
2. the long-acting composite coating of a kind of inorganic silicon alkanisation according to claim 1, is characterized in that, the particle diameter of the powder material in the preparation component of described silanization composite granule is respectively: SiO
210 μm ~ 200 μm, powder, iron mica 10 μm ~ 200 μm, Al
2o
310 μm ~ 200 μm, powder, BaSO
410 μm ~ 200 μm, powder.
3. a preparation method for the coating of manufacturing claims 1 or 2, is characterized in that, comprise the steps:
1) compound binding agent adding certain mass concentration respectively in binding agent mixing kettle prepares component, makes it mix after stirring certain hour under normal temperature, obtains the inorganic macromolecular composite binder solution of certain density and certain pH value;
2) take silanization composite granule by a certain percentage and prepare component, aqueous silane coupling agent is wherein dropped in receiver, and be filled with the internal pressure that pressurized air controls receiver, the powder material prepared by silanization composite granule in component drops into and revolves in point moisture eliminator, then warm air is sent into control revolving a point working temperature for moisture eliminator inside with certain pressure intensity from revolving bottom point moisture eliminator, after revolving the combination drying process of point moisture eliminator certain time, aqueous silane coupling agent in receiver is sprayed into and revolves a point moisture eliminator, to carry out surface silanization process to the powder material wherein mixed, silanization composite granule is obtained after continuing certain treatment time,
3) a certain amount of inorganic macromolecular composite binder solution and a certain amount of silanization composite granule is taken, inorganic macromolecular composite binder solution is put into dragging the rotating speed of adjustment high speed dispersor after in cylinder and slowly adding silanization composite granule of high speed dispersor, then the rotating speed of high speed dispersor is improved, after this, continue to obtain finished product after high-speed stirring runs certain hour until high speed dispersor.
4. the preparation method of the long-acting composite coating of a kind of inorganic silicon alkanisation according to claim 3, is characterized in that, step 2) in receiver internal pressure control at 0.1MP ~ 0.4MP;
Step 2) in warm air input pressure be 0.05MP ~ 0.2MP.
5. the preparation method of the long-acting composite coating of a kind of inorganic silicon alkanisation according to claim 4, is characterized in that, step 2) in a point moisture eliminator working temperature of revolving control at 80 DEG C ~ 100 DEG C.
6. the preparation method of the long-acting composite coating of a kind of inorganic silicon alkanisation according to claim 5, is characterized in that, step 2) in the combination drying process duration revolving point moisture eliminator be 5min ~ 15min;
Step 2) in the surface silanization treatment time be 20min ~ 30min.
7. the preparation method of the long-acting composite coating of a kind of inorganic silicon alkanisation according to claim 6, is characterized in that, step 3) in the rotating speed of high speed dispersor be 800 turns/min ~ 1600 turn/min.
8. the preparation method of the long-acting composite coating of a kind of inorganic silicon alkanisation according to claim 7, is characterized in that, step 3) in working hour of high speed dispersor continue 30min ~ 60min.
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| CN103709857B (en) * | 2013-03-18 | 2015-12-02 | 赫凯材料科技（上海）有限公司 | Long-acting composite coating of a kind of inorganic silicon alkanisation and preparation method thereof |
| CN104046057B (en) * | 2014-06-26 | 2016-05-11 | 铜陵市智润云母颜料有限责任公司 | The coating that the preparation method of water mica iron oxide and use micaceous iron oxide are made |
Citations (4)
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|---|---|---|---|---|
| CN1970662A (en) * | 2006-11-09 | 2007-05-30 | 上海大学 | Highly corrosiveness-resistant nanometer composite epoxy resin paint preparation method |
| CN101314698A (en) * | 2007-05-28 | 2008-12-03 | 信越化学工业株式会社 | Abrasion-resistant coating composition and coated article |
| CN102417775A (en) * | 2011-11-18 | 2012-04-18 | 肇庆千江高新材料科技有限公司 | Silicasol-acrylate emulsion compound primer |
| CN103709857A (en) * | 2013-03-18 | 2014-04-09 | 赫凯材料科技（上海）有限公司 | Inorganic silanization long-acting composite coating material and preparation method thereof |
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| US9365460B2 (en) * | 2006-11-09 | 2016-06-14 | Akzo Nobel N.V. | Pigment dispersion |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1970662A (en) * | 2006-11-09 | 2007-05-30 | 上海大学 | Highly corrosiveness-resistant nanometer composite epoxy resin paint preparation method |
| CN101314698A (en) * | 2007-05-28 | 2008-12-03 | 信越化学工业株式会社 | Abrasion-resistant coating composition and coated article |
| CN102417775A (en) * | 2011-11-18 | 2012-04-18 | 肇庆千江高新材料科技有限公司 | Silicasol-acrylate emulsion compound primer |
| CN103709857A (en) * | 2013-03-18 | 2014-04-09 | 赫凯材料科技（上海）有限公司 | Inorganic silanization long-acting composite coating material and preparation method thereof |
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