CN104974572A - Nano particle compound type anticorrosive coating and preparation method therefor - Google Patents
Nano particle compound type anticorrosive coating and preparation method therefor Download PDFInfo
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- CN104974572A CN104974572A CN201510349148.0A CN201510349148A CN104974572A CN 104974572 A CN104974572 A CN 104974572A CN 201510349148 A CN201510349148 A CN 201510349148A CN 104974572 A CN104974572 A CN 104974572A
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Abstract
The invention discloses a nano particle compound type anticorrosive coating and a preparation method therefor. The nano particle compound type anticorrosive coating comprises the following components in parts by weight: 20-30 parts of polybutylene, 2-8 parts of maleic anhydride, 3-5 parts of acrylate resin, 0.2-0.6 part of dibenzoyl peroxide, 2-4 parts of pentaerythritol, 5-10 parts of nanosilicon dioxide, 1-4 parts of nanometer titania, 0.35-0.88 part of sodium dodecyl benzene sulfonate, 1-5 parts of amino silicon oil, 2-6 parts of diethylenetriamine, 3-5 parts of polystyrolsulfon acid, 1-5 parts of carboxyethyl cellulose, 5-10 parts of maleic anhydride, 1-3 parts of fire retardant, 1-3 pats of fireproof staple fiber, 2-5 parts of foaming agent and 0.8-2.5 part of reinforcing agent. The rigidity and strength of the coating are high, the adhesive force of a priming paint and a base material is high, and the mechanical strength is improved; the coating is more compact after coating and is unlikely to peel off, and the corrosion resistance is reinforced.
Description
Technical field
The invention belongs to technical field of composite materials, be specifically related to a kind of Nanocomposites type protective system and preparation method thereof.
Background technology
Because the use of steel construction in engineering construction and industrial production is all very general, for ensureing the work-ing life that house, pipeline, street lamp, bridge etc. are in outdoor steel construction facility and can keep more than many decades, usually just must carry out paint to these steel structure surfaces every 2 ~ 5 years and processing.Anticorrosion means mainly zinc rich paint or common alkyd paint, the resistant epoxy paint etc. of current use, these coating generally can only maintain 273 years, due to defects such as antiseptic property are poor, weather resistance is low, more and more cannot meet the needs of people in many circumstances; And traditional red lead rust proof paint (3 ~ 4 years can be maintained), prohibitted the use by a lot of area due to toxic contaminants environmental hazard HUMAN HEALTH; Although there is the high-quality import protective system that the life-span can reach 8 ~ 10 years, price is generally at 400 yuan/more than kg, and cost is too high.With regard to present scientific and technical storage, set about solving rotten candle problem from steel construction itself very unrealistic, generally stainlessly to involve great expense, price is several times to tens times of the common high-quality steel of same specification, and work-ing life is limited.Then mainly there is insufficient strength in other corrosion resistant material, work-ing life is limited, less economical series of problems of Denging, and adopt paint spraying to prevent metallic corrosion from being most widely used general, the most effective, the most most economical means.So development long service life, cheap, safety non-toxic, easy construction, Novel steel structure protective system applied widely are very necessary.And this research is conducive to the development of green economy and recycling economy, meets the requirement of Sustainable development and the direction of era development.
The anticorrosion candle coating research of China is started late but develops very fast, the research of the steel structure anti-corrosion paint from 20 century 70 mid-terms, on the basis of traditional conventional anticorrosion candle coating, mainly have developed the pretty good novel anticorrosion candle coating of many performances, wherein some kind has greatly and catches up with and surpasses the external gesture of asking kind of coating in performance index.Along with the Scientific Outlook on Development deeply and the enhancing of environmental consciousness, the coating research and development of China are also to economy, environmental protection, energy-conservation, harmless future development in recent years, the trend of the times of the development of this international coatings industry, in the industries such as metallurgy, petrochemical industry, durably anticorrosion paint, with its comparatively excellent corrosion resistant candle performance, for a long time advantage such as work-ing life and easy construction, obtains more deep research and applies more widely.
Summary of the invention
The object of the invention is to provide a kind of Nanocomposites type protective system and preparation method thereof, the material of nanoscale can make coating surface active centre increase, time chemical bonds can be there is in the functional group of Active sites and filmogen, greatly increase rigidity and the intensity of coating, thus improve the scratch resistance of coating; The sticking power of priming paint and base material can be increased, improve physical strength; Finer and close after paint, not easily peel off, erosion resistance strengthens.
To achieve these goals, the technical solution used in the present invention is:
A kind of Nanocomposites type protective system, the mass fraction of component and each component is as follows: polybutene 20 ~ 30 parts, maleic anhydride 2 ~ 8 parts, acrylate resin 3 ~ 5 parts, dibenzoyl peroxide 0.2 ~ 0.6 part, tetramethylolmethane 2 ~ 4 parts, nano silicon 5 ~ 10 parts, nano titanium oxide 1 ~ 4 part, Sodium dodecylbenzene sulfonate 0.35 ~ 0.88 part, amido silicon oil 1 ~ 5 part, diethylenetriamine 2 ~ 6 parts, polystyrolsulfon acid 3 ~ 5 parts, carboxyethyl cellulose 1 ~ 5 part, MALEIC ANHYDRIDE 5 ~ 10 parts, fire retardant 1 ~ 3 part, fire prevention 1 ~ 3 part, staple fibre, whipping agent 2 ~ 5 parts, toughener 0.8 ~ 2.5 part.
Described whipping agent is amine carbonate or trimeric cyanamide.
Described fire retardant is magnesium hydroxide or zinc borate.
Described toughener is phenolic fibre or glass fibre.
Described a kind of Nanocomposites type protective system, the mass fraction of component and each component is as follows: polybutene 25 parts, maleic anhydride 5 parts, acrylate resin 4 parts, dibenzoyl peroxide 0.4 part, tetramethylolmethane 3 parts, nano silicon 7.5 parts, nano titanium oxide 2.5 parts, Sodium dodecylbenzene sulfonate 0.55 part, amido silicon oil 3 parts, diethylenetriamine 4 parts, polystyrolsulfon acid 4 parts, carboxyethyl cellulose 3 parts, MALEIC ANHYDRIDE 7.5 parts, fire retardant 2 parts, fire prevention 12 parts, staple fibre, whipping agent 3.5 parts, toughener 1.8 parts.
The preparation method of described a kind of Nanocomposites type protective system, comprises the steps:
1) polybutene, maleic anhydride, acrylate resin, dibenzoyl peroxide and tetramethylolmethane are added in reactor, stir and be warming up to 120 ~ 160 DEG C;
2) in step 1) reactor, add nano silicon and nano titanium oxide stirring 5 ~ 8h, be warming up to 150 ~ 180 DEG C, insulation 3 ~ 5h;
3) to step 2) add remaining ingredient in reactor, dispersed with stirring obtains Nanocomposites type protective system.
140 DEG C are warming up in step 1).
Step 2) in be warming up to 170 DEG C, stir 4h.
Beneficial effect: the invention provides a kind of Nanocomposites type protective system and preparation method thereof, the material of nanoscale can make coating surface active centre increase, time chemical bonds can be there is in the functional group of Active sites and filmogen, greatly increase rigidity and the intensity of coating, thus improve the scratch resistance of coating; The sticking power of priming paint and base material can be increased, improve physical strength; Finer and close after paint, not easily peel off, erosion resistance strengthens.
Embodiment
Embodiment 1
A kind of Nanocomposites type protective system, the mass fraction of component and each component is as follows: polybutene 20 parts, maleic anhydride 2 parts, acrylate resin 3 parts, dibenzoyl peroxide 0.2 part, tetramethylolmethane 2 parts, nano silicon 5 parts, nano titanium oxide 1 part, Sodium dodecylbenzene sulfonate 0.35 part, amido silicon oil 1 part, diethylenetriamine 2 parts, polystyrolsulfon acid 3 parts, carboxyethyl cellulose 1 part, MALEIC ANHYDRIDE 5 parts, fire retardant magnesium hydroxide 1 part, fire prevention 1 part, staple fibre, whipping agent trimeric cyanamide 2 parts, 0.8 part, toughener glass fibre.
Preparation method, comprises the steps:
1) polybutene, maleic anhydride, acrylate resin, dibenzoyl peroxide and tetramethylolmethane are added in reactor, stir and be warming up to 140 DEG C;
2) in step 1) reactor, add nano silicon and nano titanium oxide stirring 7h, be warming up to 170 DEG C, insulation 4h;
3) to step 2) add remaining ingredient in reactor, dispersed with stirring obtains Nanocomposites type protective system.
Embodiment 2
A kind of Nanocomposites type protective system, the mass fraction of component and each component is as follows: polybutene 30 parts, maleic anhydride 8 parts, acrylate resin 5 parts, dibenzoyl peroxide 0.6 part, tetramethylolmethane 4 parts, nano silicon 10 parts, nano titanium oxide 4 parts, Sodium dodecylbenzene sulfonate 0.88 part, amido silicon oil 5 parts, diethylenetriamine 6 parts, polystyrolsulfon acid 5 parts, carboxyethyl cellulose 5 parts, MALEIC ANHYDRIDE 10 parts, fire retardant magnesium hydroxide 3 parts, fire prevention 3 parts, staple fibre, whipping agent trimeric cyanamide 5 parts, 2.5 parts, toughener glass fibre.
Preparation method, comprises the steps:
1) polybutene, maleic anhydride, acrylate resin, dibenzoyl peroxide and tetramethylolmethane are added in reactor, stir and be warming up to 140 DEG C;
2) in step 1) reactor, add nano silicon and nano titanium oxide stirring 6h, be warming up to 170 DEG C, insulation 4h;
3) to step 2) add remaining ingredient in reactor, dispersed with stirring obtains Nanocomposites type protective system.
Embodiment 3:
A kind of Nanocomposites type protective system, the mass fraction of component and each component is as follows: polybutene 22 parts, maleic anhydride 3 parts, acrylate resin 4 parts, dibenzoyl peroxide 0.3 part, tetramethylolmethane 2.5 parts, nano silicon 6 parts, nano titanium oxide 2 parts, Sodium dodecylbenzene sulfonate 0.45 part, amido silicon oil 2 parts, diethylenetriamine 3 parts, polystyrolsulfon acid 4 parts, carboxyethyl cellulose 2 parts, MALEIC ANHYDRIDE 6 parts, fire retardant magnesium hydroxide 2 parts, fire prevention 2 parts, staple fibre, whipping agent trimeric cyanamide 3 parts, 1.5 parts, toughener glass fibre.
Preparation method, comprises the steps:
1) polybutene, maleic anhydride, acrylate resin, dibenzoyl peroxide and tetramethylolmethane are added in reactor, stir and be warming up to 140 DEG C;
2) in step 1) reactor, add nano silicon and nano titanium oxide stirring 7h, be warming up to 170 DEG C, insulation 4h;
3) to step 2) add remaining ingredient in reactor, dispersed with stirring obtains Nanocomposites type protective system.
Embodiment 4
A kind of Nanocomposites type protective system, the mass fraction of component and each component is as follows: polybutene 28 parts, maleic anhydride 6 parts, acrylate resin 4 parts, dibenzoyl peroxide 0.5 part, tetramethylolmethane 3 parts, nano silicon 8 parts, nano titanium oxide 3 parts, Sodium dodecylbenzene sulfonate 0.68 part, amido silicon oil 4 parts, diethylenetriamine 5 parts, polystyrolsulfon acid 4 parts, carboxyethyl cellulose 4 parts, MALEIC ANHYDRIDE 9 parts, fire retardant magnesium hydroxide 2 parts, fire prevention 2 parts, staple fibre, whipping agent trimeric cyanamide 4 parts, 2 parts, toughener glass fibre.
Preparation method, comprises the steps:
1) polybutene, maleic anhydride, acrylate resin, dibenzoyl peroxide and tetramethylolmethane are added in reactor, stir and be warming up to 140 DEG C;
2) in step 1) reactor, add nano silicon and nano titanium oxide stirring 6h, be warming up to 170 DEG C, insulation 4h;
3) to step 2) add remaining ingredient in reactor, dispersed with stirring obtains Nanocomposites type protective system.
Embodiment 5
A kind of Nanocomposites type protective system, the mass fraction of component and each component is as follows: polybutene 25 parts, maleic anhydride 5 parts, acrylate resin 4 parts, dibenzoyl peroxide 0.4 part, tetramethylolmethane 3 parts, nano silicon 7.5 parts, nano titanium oxide 2.5 parts, Sodium dodecylbenzene sulfonate 0.55 part, amido silicon oil 3 parts, diethylenetriamine 4 parts, polystyrolsulfon acid 4 parts, carboxyethyl cellulose 3 parts, MALEIC ANHYDRIDE 7.5 parts, fire retardant zinc borate 2 parts, fire prevention 12 parts, staple fibre, whipping agent amine carbonate 3.5 parts, toughener phenolic fibre 1.8 parts.
Preparation method, comprises the steps:
1) polybutene, maleic anhydride, acrylate resin, dibenzoyl peroxide and tetramethylolmethane are added in reactor, stir and be warming up to 140 DEG C;
2) in step 1) reactor, add nano silicon and nano titanium oxide stirring 7h, be warming up to 170 DEG C, insulation 4h;
3) to step 2) add remaining ingredient in reactor, dispersed with stirring obtains Nanocomposites type protective system.
Measurement of hardness: adopt pencil hardness method to measure coating hardness, its method scratches coatingsurface according to standard GB/T/T 6739-1996 pencil of known hardness, penetrates into the surface hardness pencil of coating to represent film hardness.
Resistance to salt water measures: adopt normal temperature salt tolerant water law to carry out resistance to salt water mensuration (the mensuration first law regulation according to resistance to salt water in GB1763-79 standard) to paint film.Measuring the same paint film model with water tolerance tests front except edge sealing, also needs to seal the back side.Three pieces of identical paint film models are put into regulation brine media.If have two pieces not occur dry linting, foaming in paint film model in three pieces of paint film models, without paint film abnormalities such as obvious loss of gloss, variable colors, then can be assessed as paint film " without exception ".If there is not above abnormality, be described by GB/T1766-95.
Paint film acid resistance measures: carry out according to GB/T 9274-88 regulation.Same except edge sealing before the test of paint film model, also need to seal the back side.Three pieces of identical paint film models are put into regulation 5% Dilute Sulphuric Acid Medium.The evaluation criteria that evaluation criteria measures with salt water resistance is identical.
Paint film alkali resistance measures: carry out alkali resistance mensuration (according to GB 9265-88 standard regulation) with saturated oxygen oxidation consumption solution to paint film.The evaluation criteria that evaluation criteria measures with salt water resistance is identical.
Sticking power measures, and measures with reference to GB/T1720-1989.
The performance of the organic-inorganic composite nanoparticle high-temperature resistant coating that embodiment 1 ~ 5 obtains is in table 1.
Table 1:
Claims (8)
1. a Nanocomposites type protective system, it is characterized in that the mass fraction of component and each component is as follows: polybutene 20 ~ 30 parts, maleic anhydride 2 ~ 8 parts, acrylate resin 3 ~ 5 parts, dibenzoyl peroxide 0.2 ~ 0.6 part, tetramethylolmethane 2 ~ 4 parts, nano silicon 5 ~ 10 parts, nano titanium oxide 1 ~ 4 part, Sodium dodecylbenzene sulfonate 0.35 ~ 0.88 part, amido silicon oil 1 ~ 5 part, diethylenetriamine 2 ~ 6 parts, polystyrolsulfon acid 3 ~ 5 parts, carboxyethyl cellulose 1 ~ 5 part, MALEIC ANHYDRIDE 5 ~ 10 parts, fire retardant 1 ~ 3 part, fire prevention 1 ~ 3 part, staple fibre, whipping agent 2 ~ 5 parts, toughener 0.8 ~ 2.5 part.
2. a kind of Nanocomposites type protective system according to claim 1, is characterized in that: described whipping agent is amine carbonate or trimeric cyanamide.
3. a kind of Nanocomposites type protective system according to claim 1, is characterized in that: described fire retardant is magnesium hydroxide or zinc borate.
4. a kind of Nanocomposites type protective system according to claim 1, is characterized in that: described toughener is phenolic fibre or glass fibre.
5. a kind of Nanocomposites type protective system according to claim 1, it is characterized in that: the mass fraction of component and each component is as follows: polybutene 25 parts, maleic anhydride 5 parts, acrylate resin 4 parts, dibenzoyl peroxide 0.4 part, tetramethylolmethane 3 parts, nano silicon 7.5 parts, nano titanium oxide 2.5 parts, Sodium dodecylbenzene sulfonate 0.55 part, amido silicon oil 3 parts, diethylenetriamine 4 parts, polystyrolsulfon acid 4 parts, carboxyethyl cellulose 3 parts, MALEIC ANHYDRIDE 7.5 parts, fire retardant 2 parts, fire prevention 12 parts, staple fibre, whipping agent 3.5 parts, toughener 1.8 parts.
6. the preparation method of a kind of Nanocomposites type protective system according to claim 1, is characterized in that comprising the steps:
1) polybutene, maleic anhydride, acrylate resin, dibenzoyl peroxide and tetramethylolmethane are added in reactor, stir and be warming up to 120 ~ 160 DEG C;
2) in step 1) reactor, add nano silicon and nano titanium oxide stirring 5 ~ 8h, be warming up to 150 ~ 180 DEG C, insulation 3 ~ 5h;
3) to step 2) add remaining ingredient in reactor, dispersed with stirring obtains Nanocomposites type protective system.
7. the preparation method of a kind of Nanocomposites type protective system according to claim 6, is characterized in that: be warming up to 140 DEG C in step 1).
8. the preparation method of a kind of Nanocomposites type protective system according to claim 6, is characterized in that: step 2) in be warming up to 170 DEG C, stir 4h.
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Cited By (5)
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| CN107892831A (en) * | 2017-12-07 | 2018-04-10 | 安徽省华腾农业科技有限公司 | A kind of magnetic Nano coating |
| CN107974114A (en) * | 2017-12-07 | 2018-05-01 | 安徽省华腾农业科技有限公司 | A kind of preparation method of nano paint |
| CN107987579A (en) * | 2017-12-15 | 2018-05-04 | 安徽省华腾农业科技有限公司 | A kind of preparation method of nano paint |
| CN108714530A (en) * | 2018-06-21 | 2018-10-30 | 界首市龙辉日用品有限责任公司 | A kind of high stability workmanship of spraying plastics method |
| CN108948914A (en) * | 2018-06-21 | 2018-12-07 | 界首市龙辉日用品有限责任公司 | A kind of plastic-spraying coating of anticorrosive anti-wear |
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Application publication date: 20151014 |