CN101709163B - Organic/inorganic silicon hybridization water-based anti-corrosion paint applicable to magnesium alloy surface and preparation method thereof - Google Patents
Organic/inorganic silicon hybridization water-based anti-corrosion paint applicable to magnesium alloy surface and preparation method thereof Download PDFInfo
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Abstract
The present invention discloses an organic/inorganic silicon hybridization water-based anti-corrosion paint applicable to magnesium alloy surface and a preparation method thereof. The anti-corrosion paint is composed of 5-30wt% of organosilane, 10-20wt% of acidic solution, 10-20wt% of silicate, 5-15wt% of organic latex, 5-20wt% of nano-level filler, 0.2-3wt% of nano-level corrosion inhibitor, 0.1-2wt% of water-based filming aid, 0.1-2wt% of dispersant and the balance of de-ionized water. With the organic/inorganic silicon hybridization water-based anti-corrosion paint brushed, or sprayed or dip-coated on the surface of a magnesium alloy substrate, the obtained coating has good flexility, weather resistance and of organic silicon coating, good hardness, heat resistance and solvent resistance of inorganic silicon coating, and excellent anti-corrosion performance when the coating is small.
Description
Technical field
The present invention relates to a kind of organic/inorganic silicon hybridization water-based anti-corrosion paint that is applicable to Mg alloy surface, also relate to the preparation method of this kind water-based anti-corrosion paint.
Background technology
Magnesium alloy is the lightest structural metallic materials during engineering is used, have high specific tenacity, specific rigidity and damping property, and have performances such as good casting, electromagnetic shielding and conduction, heat conduction, thereby be widely used in fields such as automobile making, aerospace, telecommunications.But magnesium is one of active metal, and its electropotential is relatively negative, and (2.363V), natural oxide film is not fine and close yet, does not have provide protection, so magnesium alloy presents high chemistry and electrochemical activity, becomes its bottleneck that is widely used of restriction.Therefore, must carry out suitable surface treatment when magnesium alloy uses as structured material to improve its solidity to corrosion, this performance advantage to performance magnesium and magnesium alloy has important practical sense.
In the process for treating surface of magnesium alloy, coating decoration is convenient, the applicable object scope is wide, the maintenance coating is convenient, solidity to corrosion is good because of having for coating technology, can also give advantages such as the multiple function of material surface, and in the material surface protection, obtain using widely.Along with the enhancing of people's environmental consciousness, develop the focus that nontoxic, free of contamination water-borne coatings becomes coating technology.In water-borne coatings, aqueous inorganic silicon coating and waterborne organic silicon coating are more common two kinds.The base-material that the aqueous inorganic silicon coating adopts mainly is a silicate series, and silicate coating has good hardness, weathering resistance, thermotolerance and solvent resistance, but coating is more crisp, poor toughness.And the waterborne organic silicon coating has good snappiness, weathering resistance and pollution resistance, but its wear resistance is lower.
At present; the research of waterborne organic silicon coating and aqueous inorganic silicon coating and use are all very active; but there is the wear resistance deficiency in the waterborne organic silicon coating; and aqueous inorganic silicon coating lacking toughness, there are problems such as hard and crisp; therefore; (coating that forms owing to two kinds of coating all has the structure of Si-O-Si if both can be combined; certain similarity is arranged; and the both is water miscible; have consistency) obtain having the coating of the inierpeneirating network structure of organic/inorganic sila copolymerization, the over-all properties of coating then can be greatly improved so.
Summary of the invention
The objective of the invention is to propose a kind of organic/inorganic silicon hybridization water-based anti-corrosion paint that is applicable to Mg alloy surface, can effectively protect Mg alloy surface not to be subjected to the corrosion of surrounding medium.
Another object of the present invention is to propose a kind of method that manufacture craft prepares the organic/inorganic silicon hybridization water-based anti-corrosion paint that is applicable to Mg alloy surface of simplifying.
A kind of organic/inorganic silicon hybridization water-based anti-corrosion paint of the present invention includes the materials of following component: organosilane is that 5wt%～30wt%, acidic solution are that 10wt%～20wt%, silicate are that 10wt%～20wt%, organic emulsion are that 5wt%～15wt%, nano-sized filler are that 5wt%～20wt%, nano level inhibiter are that 0.2wt%～3wt%, waterborne film-forming auxiliary agent 0.1wt%～2wt%, dispersion agent are 0.1wt%～2wt% and balance of deionized water, and above-mentioned each component concentration percentage ratio sum is 100%.
Described organosilane is KH550, KH560 or KH570.
Described acidic solution is hydrofluoric acid, hydrochloric acid, phosphoric acid, acetic acid or oxalic acid, and the mass percent concentration of acidic solution is 0.01%～1%.
Described silicate is water glass, potassium silicate or lithium silicate.
Described organic emulsion is A601, A602, A603 or A603C.
Described nano-sized filler is Nano titanium dioxide, nanometer grade silica, nano level talcum powder or nano level mica powder.
Described nano level inhibiter is nano level aluminium triphosphate, nano level zinc phosphate, nano level zinc molybdate or nano level phospho-molybdic acid zinc.
Described waterborne film-forming auxiliary agent is the Texanol alcohol ester.
Described dispersion agent is BYK-191, BYK-154, DP512, DP518, S-100, SN-5040 or D-5050.
A kind of preparation of the present invention is applicable to the method for the organic/inorganic silicon hybridization water-based anti-corrosion paint of Mg alloy surface, and this method is implemented according to following steps:
Take by weighing the required materials of preparation organic/inorganic silicon hybridization water-based anti-corrosion paint: organosilane is that 5wt%～30wt%, acidic solution are that 10wt%～20wt%, silicate are that 10wt%～20wt%, organic emulsion are that 5wt%～15wt%, nano-sized filler are that 5wt%～20wt%, nano level inhibiter are that 0.2wt%～3wt%, waterborne film-forming auxiliary agent 0.1wt%～2wt%, dispersion agent are 0.1wt%～2wt% and balance of deionized water, and above-mentioned each component concentration percentage ratio sum is 100%;
Step a, organosilane is joined mass percent concentration is hydrolysis in 0.01%～1% the acidic solution, till solution becomes clarification by muddiness, promptly makes clear liquor;
Step b, nano-sized filler, nano level inhibiter, dispersion agent and deionized water are put into stirrer, low whipping speed is to make first mixing solutions that mixes after stirring 15min～60min under the condition of 500r/min～1200r/min;
Step c, silicate is joined in the clear liquor that step a makes; Low whipping speed is to make second mixing solutions that mixes after stirring 15min～60min under the condition of 100r/min～600r/min;
Steps d, organic emulsion and waterborne film-forming auxiliary agent are joined in second mixing solutions that step c makes, low whipping speed is to make the 3rd mixing solutions that mixes after stirring 15min～60min under the condition of 100r/min～600r/min;
The 3rd mixing solutions low whipping speed that step e, first mixing solutions that step b is made and steps d make is under the condition of 100r/min～600r/min, make the 4th mixing solutions that mixes after stirring 30min～120min, then the 4th mixing solutions is left standstill 15min～80min, promptly make the organic/inorganic silicon hybridization water-based anti-corrosion paint.
The organic/inorganic silicon hybridization water-based anti-corrosion paint that the present invention is made adopts brushing or spraying or dipping process to be produced on the magnesium alloy substrate sample after the surface treatment, coat-thickness 15 μ m～20 μ m, then with the sample for preparing after placing 30min～90min under the environment of 20 ℃～30 ℃ of temperature, in 100 ℃～300 ℃ baking oven, toast 30min～120min again and be cured processing, take out sample and promptly obtain organic/inorganic silicon hybridization water-based anti-corrosion coating being arranged in the magnesium alloy matrix surface preparation.
Adopt organic/inorganic silicon hybridization water-based anti-corrosion paint that the inventive method makes through brushing or spraying or dip-coating behind magnesium alloy matrix surface, the coating that is obtained had both had the good snappiness of organic silicon coating, weathering resistance and pollution resistance, have the good hardness of inorganic silicon coating, thermotolerance and solvent resistance again, and when coat-thickness is thin, just have excellent solidity to corrosion.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
A kind of organic/inorganic silicon hybridization water-based anti-corrosion paint of the present invention includes the materials of following component: organosilane is that 5wt%～30wt%, acidic solution are that 10wt%～20wt%, silicate are that 10wt%～20wt%, organic emulsion are that 5wt%～15wt%, nano-sized filler are that 5wt%～20wt%, nano level inhibiter are that 0.2wt%～3wt%, waterborne film-forming auxiliary agent 0.1wt%～2wt%, dispersion agent are that (20wt%～40wt%), above-mentioned each component concentration percentage ratio sum is 100% for 0.1wt%～2wt% and balance of deionized water.
Described organosilane is a kind of among KH550, KH560, the KH570.
Described acidic solution is a kind of in hydrofluoric acid, hydrochloric acid, phosphoric acid, acetic acid, the oxalic acid, and the mass percent concentration of acidic solution is 0.01%～1%.
Described silicate is water glass, potassium silicate or lithium silicate.
Described organic emulsion is A601, A602, A603 or A603C.
Described nano-sized filler is Nano titanium dioxide, nanometer grade silica, nano level talcum powder or nano level mica powder.
Described nano level inhibiter is nano level aluminium triphosphate, nano level zinc phosphate, nano level zinc molybdate or nano level phospho-molybdic acid zinc.
Described waterborne film-forming auxiliary agent is the Texanol alcohol ester.
Described dispersion agent is BYK-191, BYK-154, DP512, DP518, S-100, SN-5040 or D-5050.
The present invention a kind of preparation be applicable to the method for the organic/inorganic silicon hybridization water-based anti-corrosion paint of Mg alloy surface, this method is implemented according to following steps:
Take by weighing the required materials of preparation organic/inorganic silicon hybridization water-based anti-corrosion paint: organosilane is that 5wt%～30wt%, acidic solution are that 10wt%～20wt%, silicate are that 10wt%～20wt%, organic emulsion are that 5wt%～15wt%, nano-sized filler are that 5wt%～20wt%, nano level inhibiter are that 0.2wt%～3wt%, waterborne film-forming auxiliary agent 0.1wt%～2wt%, dispersion agent are 0.1wt%～2wt% and balance of deionized water, and above-mentioned each component concentration percentage ratio sum is 100%;
Step a, organosilane is joined mass percent concentration is hydrolysis in 0.01%～1% the acidic solution, till solution becomes clarification by muddiness, promptly makes clear liquor;
Step b, nano-sized filler, nano level inhibiter, dispersion agent and deionized water are put into stirrer, low whipping speed is to make first mixing solutions that mixes after stirring 15min～60min under the condition of 500r/min～1200r/min;
Step c, silicate is joined in the clear liquor that step a makes; Low whipping speed is to make second mixing solutions that mixes after stirring 15min～60min under the condition of 100r/min～600r/min;
Steps d, organic emulsion and waterborne film-forming auxiliary agent are joined in second mixing solutions that step c makes, low whipping speed is to make the 3rd mixing solutions that mixes after stirring 15min～60min under the condition of 100r/min～600r/min;
The 3rd mixing solutions low whipping speed that step e, first mixing solutions that step b is made and steps d make is under the condition of 100r/min～600r/min, make the 4th mixing solutions that mixes after stirring 30min～120min, then the 4th mixing solutions is left standstill 15min～80min, promptly make the organic/inorganic silicon hybridization water-based anti-corrosion paint.
The organic/inorganic silicon hybridization water-based anti-corrosion paint that the present invention is made adopts brushing or spraying or dipping process to be produced on the magnesium alloy substrate sample after the surface treatment, coat-thickness 15 μ m～20 μ m, then with the sample for preparing after placing 30min～90min under the environment of 22 ℃～30 ℃ of temperature, in 100 ℃～300 ℃ baking oven, toast 30min～120min again and be cured processing, take out sample and promptly obtain organic/inorganic silicon hybridization water-based anti-corrosion coating being arranged, will prepare cated magnesium alloy substrate then and carry out performance analysis in the magnesium alloy matrix surface preparation.
Embodiment 1
Take by weighing each component by following mass percent, and each component concentration percentage ratio sum is 100%.
Organosilane is that 10.5wt% selects KH550 for use
Acidic solution is that to select mass percent concentration for use be 0.1% acetic acid C2H4O2 to 15wt%
Silicate is that 16.5wt% selects lithium silicate for use
Organic emulsion is that 12wt% selects A603 for use
Nano-sized filler is that 15wt% selects the 20nm flaky mica powder for use
The nano level inhibiter is that 0.5wt% selects the 20nm zinc molybdate for use
Waterborne film-forming auxiliary agent 0.5wt% selects the Texanol alcohol ester for use
Dispersion agent is that 0.5wt% selects BYK-191 for use
Surplus is a deionized water.
Step a, the KH550 that takes by weighing is added mass percent concentration is to be hydrolyzed in 0.1% the acetum, and till solution became clarification by muddiness, it was stand-by to get clear liquor; Also can mix with KH550 and obtain clear liquor with the alternative acetic acid of the hydrofluoric acid of same concentrations, weight;
Step b, the flaky mica powder of 20nm, zinc molybdate, BYK-191 and the deionized water of 20nm are joined in the PK1-50 stirrer, low whipping speed is to make first mixing solutions that mixes after stirring 30min under the condition of 1000r/min;
In the present invention, the contriver also to adopt the particle diameter of identical weight be that the talcum powder of 20nm substitutes flaky mica powder and is prepared first mixing solutions.
Step c, lithium silicate is joined in the clear liquor that step a makes; Low whipping speed is to make second mixing solutions that mixes after stirring 30min under the condition of 300r/min;
Steps d, organic emulsion A603 and Texanol alcohol ester are joined in second mixing solutions that step c makes, low whipping speed is to make the 3rd mixing solutions that mixes after stirring 30min under the condition of 200r/min;
The 3rd mixing solutions low whipping speed that step e, first mixing solutions that step b is made and steps d make is under the condition of 200r/min, make the 4th mixing solutions that mixes after stirring 30min, then the 4th mixing solutions is left standstill 60min, promptly make the organic/inorganic silicon hybridization water-based anti-corrosion paint.
(distance of nozzle and sample is approximately 100mm will to adopt spraying coating process through the organic/inorganic silicon hybridization water-based anti-corrosion paint that embodiment 1 makes, the pressure of spray gun is 0.1MPa, the angle of nozzle and sample is controlled at 45 °) be produced on the AZ91D magnesium alloy substrate sample after the surface treatment, then with the sample for preparing after placing 90min under the environment of 25 ℃ of temperature, baking 30min is cured processing in 200 ℃ baking oven again, take out sample, promptly obtain organic/inorganic silicon hybridization water-based anti-corrosion coating being arranged in the magnesium alloy matrix surface preparation.
The organic/inorganic silicon hybridization water-based anti-corrosion coating that adopts above-mentioned implementation process to make, when coat-thickness was 15 μ m～20 μ m, to record coating adhesion according to standard " GB1720-1989 " be 1 grade, record film flexibility according to standard " GB/T1731-93 " was 1mm, to record coating shock-resistance 50cm, record coating hardness 0.50, record the coating salt-fog resistant time according to standard " GB/T10125-1997 " according to standard " GB/T1730-93 " B method according to standard " GB/T1732-1993 " be 628h.
Embodiment 2
Take by weighing each component by following mass percent, and each component concentration percentage ratio sum is 100%.
Organosilane is that 20wt% selects KH560 for use
Acidic solution is that to select mass percent concentration for use be 0.2% oxalic acid to 11wt%
Silicate is that 10wt% selects water glass for use
Organic emulsion is that 7wt% selects A601 for use
Nano-sized filler is that 10wt% selects 20nm titanium dioxide for use
The nano level inhibiter is that 2.1wt% selects the 20nm zinc phosphate for use
Waterborne film-forming auxiliary agent 0.7wt% selects the Texanol alcohol ester for use
Dispersion agent is that 0.5wt% selects DP512 for use
Surplus is a deionized water.
Step a, the KH560 that takes by weighing is joined mass percent concentration is to be hydrolyzed in 0.2% the oxalic acid solution, and till solution became clarification by muddiness, it was stand-by to get clear liquor; Also can mix with KH560 and obtain clear liquor with the alternative oxalic acid of the phosphoric acid of same concentrations, weight;
Step b, the titanium dioxide of 20nm, zinc phosphate, DP512 and the deionized water of 20nm are joined in the PK1-50 stirrer, low whipping speed is to make first mixing solutions that mixes after stirring 50min under the condition of 800r/min;
Step c, water glass is joined in the clear liquor that step a makes; Low whipping speed is to make second mixing solutions that mixes after stirring 40min under the condition of 200r/min;
Steps d, organic emulsion A601 and Texanol alcohol ester are joined in second mixing solutions that step c makes, low whipping speed is to make the 3rd mixing solutions that mixes after stirring 20min under the condition of 300r/min;
The 3rd mixing solutions low whipping speed that step e, first mixing solutions that step b is made and steps d make is under the condition of 200r/min, make the 4th mixing solutions that mixes after stirring 30min, then the 4th mixing solutions is left standstill 60min, promptly make the organic/inorganic silicon hybridization water-based anti-corrosion paint.
(distance of nozzle and sample is approximately 150mm will to adopt spraying coating process through the organic/inorganic silicon hybridization water-based anti-corrosion paint that embodiment 2 makes, the pressure of spray gun is 0.2MPa, the angle of nozzle and sample is controlled at 60 °) be produced on the AZ91HP magnesium alloy substrate sample after the surface treatment, then with the sample for preparing after placing 60min under the environment of 25 ℃ of temperature, baking 80min is cured processing in 200 ℃ baking oven again, take out sample, promptly obtain organic/inorganic silicon hybridization water-based anti-corrosion coating being arranged in the magnesium alloy matrix surface preparation.
The organic/inorganic silicon hybridization water-based anti-corrosion coating that adopts above-mentioned implementation process to make, when coat-thickness was 15 μ m～20 μ m, to record coating adhesion according to standard " GB1720-1989 " be 1 grade, record film flexibility according to standard " GB/T1731-93 " was 1mm, to record coating shock-resistance 50cm, record coating hardness 0.40, record the coating salt-fog resistant time according to standard " GB/T10125-1997 " according to standard " GB/T1730-93 " B method according to standard " GB/T1732-1993 " be 645h.
Embodiment 3
Take by weighing each component by following mass percent, and each component concentration percentage ratio sum is 100%.
Organosilane is that 25wt% selects KH570 for use
Acidic solution is that to select mass percent concentration for use be 0.01% hydrochloric acid to 15wt%
Silicate is that 12.5wt% selects potassium silicate for use
Organic emulsion is that 10wt% selects A602 for use
Nano-sized filler is that 13wt% selects 20nm silicon-dioxide for use
The nano level inhibiter is that 0.5wt% selects the 20nm aluminium triphosphate for use
Waterborne film-forming auxiliary agent 0.1wt% selects the Texanol alcohol ester for use
Dispersion agent is that 0.1wt% selects S-100 for use
Surplus is a deionized water.
Step a, the KH570 that takes by weighing is added the mutual mass percentage concentration is to be hydrolyzed in 0.01% the hydrochloric acid soln, and till solution became clarification by muddiness, it was stand-by to get clear liquor; Also can mix with KH570 and obtain clear liquor with the alternative hydrochloric acid of the oxalic acid of same concentrations, weight;
Step b, the silicon-dioxide of 20nm, aluminium triphosphate, S-100 and the deionized water of 20nm are joined in the PK1-50 stirrer, low whipping speed is to make first mixing solutions that mixes after stirring 40min under the condition of 900r/min;
Step c, potassium silicate is joined in the clear liquor that step a makes; Low whipping speed is to make second mixing solutions that mixes after stirring 20min under the condition of 400r/min;
Steps d, organic emulsion A602 and Texanol alcohol ester are joined in second mixing solutions that step c makes, low whipping speed is to make the 3rd mixing solutions that mixes after stirring 25min under the condition of 250r/min;
The 3rd mixing solutions low whipping speed that step e, first mixing solutions that step b is made and steps d make is under the condition of 500r/min, make the 4th mixing solutions that mixes after stirring 30min, then the 4th mixing solutions is left standstill 30min, promptly make the organic/inorganic silicon hybridization water-based anti-corrosion paint.
(distance of nozzle and sample is approximately 100mm will to adopt spraying coating process through the organic/inorganic silicon hybridization water-based anti-corrosion paint that embodiment 1 makes, the pressure of spray gun is 0.1MPa, the angle of nozzle and sample is controlled at 60 °) be produced on the AM50 magnesium alloy substrate sample after the surface treatment, then with the sample for preparing after placing 45min under the environment of 25 ℃ of temperature, baking 30min is cured processing in 300 ℃ baking oven again, take out sample, promptly obtain organic/inorganic silicon hybridization water-based anti-corrosion coating being arranged in the magnesium alloy matrix surface preparation.
The organic/inorganic silicon hybridization water-based anti-corrosion coating that adopts above-mentioned implementation process to make, when coat-thickness was 15 μ m～20 μ m, to record coating adhesion according to standard " GB1720-1989 " be 1 grade, record film flexibility according to standard " GB/T1731-93 " was 1mm, to record coating shock-resistance 50cm, record coating hardness 0.45, record the coating salt-fog resistant time according to standard " GB/T10125-1997 " according to standard " GB/T1730-93 " B method according to standard " GB/T1732-1993 " be 585h.
Claims (3)
1. organic/inorganic silicon hybridization water-based anti-corrosion paint that is applicable to Mg alloy surface, it is characterized in that the organic/inorganic silicon hybridization water-based anti-corrosion paint includes the materials of following component: organosilane is 5wt%～30wt%, acidic solution is 10wt%～20wt%, silicate is 10wt%～20wt%, organic emulsion is 5wt%～15wt%, nano-sized filler is 5wt%～20wt%, the nano level inhibiter is 0.2wt%～3wt%, waterborne film-forming auxiliary agent 0.1wt%～2wt%, dispersion agent is 0.1wt%～2wt% and balance of deionized water, and above-mentioned each component concentration percentage ratio sum is 100%;
Described organosilane is KH550, KH560 or KH570;
Described acidic solution is hydrofluoric acid, hydrochloric acid, phosphoric acid, acetic acid or oxalic acid, and the mass percent concentration of acidic solution is 0.01%～1%;
Described silicate is water glass, potassium silicate or lithium silicate;
Described organic emulsion is A601, A602, A603 or A603C;
Described nano-sized filler is Nano titanium dioxide, nanometer grade silica, nano level talcum powder or nano level mica powder;
Described nano level inhibiter is nano level aluminium triphosphate, nano level zinc phosphate, nano level zinc molybdate or nano level phospho-molybdic acid zinc;
Described waterborne film-forming auxiliary agent is the Texanol alcohol ester;
Described dispersion agent is BYK-191, BYK-154, DP512, DP518, S-100, SN-5040 or D-5050.
2. prepare the method that is applicable to the organic/inorganic silicon hybridization water-based anti-corrosion paint of Mg alloy surface as claimed in claim 1, it is characterized in that including the following step:
Take by weighing the required materials of preparation organic/inorganic silicon hybridization water-based anti-corrosion paint: organosilane is that 5wt%～30wt%, acidic solution are that 10wt%～20wt%, silicate are that 10wt%～20wt%, organic emulsion are that 5wt%～15wt%, nano-sized filler are that 5wt%～20wt%, nano level inhibiter are that 0.2wt%～3wt%, waterborne film-forming auxiliary agent 0.1wt%～2wt%, dispersion agent are 0.1wt%～2wt% and balance of deionized water, and above-mentioned each component concentration percentage ratio sum is 100%;
Step a, organosilane is joined mass percent concentration is hydrolysis in 0.01%～1% the acidic solution, till solution becomes clarification by muddiness, promptly makes clear liquor;
Step b, nano-sized filler, nano level inhibiter, dispersion agent and deionized water are put into stirrer, low whipping speed is to make first mixing solutions that mixes after stirring 15min～60min under the condition of 500r/min～1200r/min;
Step c, silicate is joined in the clear liquor that step a makes; Low whipping speed is to make second mixing solutions that mixes after stirring 15min～60min under the condition of 100r/min～600r/min;
Steps d, organic emulsion and waterborne film-forming auxiliary agent are joined in second mixing solutions that step c makes, low whipping speed is to make the 3rd mixing solutions that mixes after stirring 15min～60min under the condition of 100r/min～600r/min;
The 3rd mixing solutions low whipping speed that step e, first mixing solutions that step b is made and steps d make is under the condition of 100r/min～600r/min, make the 4th mixing solutions that mixes after stirring 30min～120min, then the 4th mixing solutions is left standstill 15min～80min, promptly make the organic/inorganic silicon hybridization water-based anti-corrosion paint.
3. preparation according to claim 2 is applicable to the method for the organic/inorganic silicon hybridization water-based anti-corrosion paint of Mg alloy surface, it is characterized in that: when to make coat-thickness on matrix be 15 μ m～20 μ m with the organic/inorganic silicon hybridization water-based anti-corrosion paint;
Recording coating adhesion according to standard " GB1720-1989 " is 1 grade;
Recording film flexibility according to standard " GB/T1731-93 " is 1mm;
Record coating shock-resistance 50cm according to standard " GB/T1732-1993 ";
Record coating hardness 0.40～0.50 according to standard " GB/T1730-93 " B method;
Recording the coating salt-fog resistant time according to standard " GB/T10125-1997 " is 585h～645h.
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| CN101875810B (en) * | 2010-07-15 | 2013-02-13 | 南京信息工程大学 | Corrosion resistant coating for metal magnesium and preparation method thereof |
| MX349100B (en) * | 2010-10-27 | 2017-07-11 | Chemetall Gmbh | Aqueous composition for pretreating a metal surface before applying another coating or for treating said surface. |
| CN102101991A (en) * | 2010-12-27 | 2011-06-22 | 青岛爱尔家佳新材料有限公司 | Aqueous wire coating adhesive and preparation method thereof |
| CN102254647B (en) * | 2011-05-12 | 2013-05-29 | 清华大学 | Composite insulating material and preparation method thereof |
| CN102408220B (en) * | 2011-08-08 | 2013-05-15 | 华南理工大学 | All-in-one water-borne inorganic-organic hybrid architectural coating and preparation method thereof |
| CN102925053B (en) * | 2012-10-12 | 2014-11-19 | 上海宜瓷龙新材料科技有限公司 | Organic-inorganic composite paint, and preparation method and application thereof |
| CN103333539B (en) * | 2013-05-28 | 2016-03-02 | 苏州绿创环保新材料有限公司 | Inorganic aqueous high-temperature heat-resistance coating of silicate and preparation method thereof |
| CN103360021B (en) * | 2013-06-27 | 2015-06-10 | 中科院广州化学有限公司 | Hydrous silane coupling agent-polyether grafted polysiloxane polymer coating |
| CN103881431B (en) * | 2014-03-24 | 2016-04-13 | 浙江大学 | A kind of silane coupler modified lithium silicate base coating and preparation method thereof |
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