CN112480754B - Cold-coated silver finish containing modified acrylic polymer resin A and preparation method thereof - Google Patents
Cold-coated silver finish containing modified acrylic polymer resin A and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a cold-coating silver finish paint containing modified acrylic polymer resin A and a preparation method thereof, belonging to the technical field of chemical industry and coating, the components of the cold-coating silver finish paint comprise modified acrylic polymer resin A, a dispersing agent, aluminum pigment, an orientation-assisting arrangement agent, an anti-settling agent, a stabilizing agent, a defoaming agent, a leveling agent and a mixed solvent, the self-researched modified acrylic polymer resin A is used as a preparation component, when the cold-coating silver finish paint is used, the cold-coating silver finish paint can play a good role in fixing silver paste, so that the silver powder can be uniformly fixed, the stability and the durability of a product are improved, simultaneously the fullness and the chemical resistance of the product are met, and the cold-coating silver finish paint has good weather resistance and mechanical property, has simple construction and application process, can be sprayed by air, can also be sprayed by high pressure without air, and in the aspect of construction applicability, simple and convenient, has wide market prospect and has very high economic and social benefits.
Description
Technical Field
The invention belongs to the technical field of chemical industry and coatings, and particularly relates to a cold-coating silver finish containing modified acrylic polymer resin A and a preparation method thereof.
Background
The acrylic resin is a general term for polymers of acrylic acid, methacrylic acid and derivatives thereof, and the acrylic resin coating is a thermoplastic or thermosetting resin coating prepared by using acrylic ester and styrene as main bodies and acrylic resin obtained by copolymerizing the acrylic resin with other acrylic ester or an acrylic radiation coating.
In recent years, as large key projects in China are continuously developed and newly built, particularly the rapid development of the power industry, a large number of steel structure facilities are widely applied to construction. Because steel structure often receives external factors such as atmosphere, chemical substances, the corrosion phenomenon appears after generally operating several years, the life-span of iron material has seriously been influenced, in order to prolong the life of equipment, guarantee the safe operation of equipment, need in time carry out anticorrosive measure to iron material and handle, and propose high-efficient durable to anticorrosive paint, require semipermanent protection sometimes even, in order to prolong the life-span of equipment, and cold scribble silver coating because it possesses that mechanical properties is good, the weatherability is good and the outward appearance has fine metallic, has exhibited wide market prospect and profound significance in relevant fields such as metal protection, industry anticorrosion and decoration.
The cold coating silver paint can be used as the finish paint of a galvanized part, and can also be matched with the cold coating zinc paint to be used as a finish coat, so that the coating achieves the same anticorrosion effect as hot galvanizing, the appearance is similar to the appearance degree of a hot galvanizing coating, the construction process of the common hot galvanizing paint is complex, the conditions of the temperature of a zinc liquid, the dip plating time, the speed of moving a workpiece out of the zinc liquid and the like need to be controlled, the coating process is complex, any one step of coating has problems, the effect of the coating can be greatly influenced, zinc ash, zinc slag and the like are generated in the hot galvanizing process, the quality of the dip plating layer is seriously influenced, the coating is rough, a core tumor and the like are generated, the treatment is not good at one time, and a large amount of waste is easily caused at the other time.
Disclosure of Invention
The invention aims to: aiming at the technical problems of the traditional hot-dip galvanizing coating in the prior art, the invention provides the cold-coating silver finish paint containing the modified acrylic polymer resin A and the preparation method thereof.
The technical scheme adopted by the invention is as follows: a cold-coating silver finish containing modified acrylic polymer resin A comprises the following raw materials in parts by mass: modified acrylic polymer resin A40-60 parts, dispersing agent 0.5-1.5 parts, aluminum pigment 7-20 parts, orientation-assisted alignment agent 0.5-2.5 parts, anti-settling agent 0.5-3 parts, stabilizing agent 5-15 parts, defoaming agent 0.05-0.2 part, leveling agent 0.05-0.2 part, and mixed solvent 2-6 parts.
Further, the modified acrylic polymer resin A used in the cold-coating silver finish paint is prepared from the following components in parts by mass: 17-20 parts of methyl methacrylate, 8-10 parts of butyl acrylate, 17-20 parts of styrene, 7-9 parts of functional monomer, 0.6-0.8 part of acrylic acid, 0.7-1.0 part of initiator, 30-36 parts of hydrogenated toluene and 9-13 parts of propylene glycol methyl ether acetate.
Further, the initiator used in the modified acrylic polymer resin A is dibenzoyl peroxide and tert-butyl peroxybenzoate, and the mass part ratio of the dibenzoyl peroxide to the tert-butyl peroxybenzoate is 3: 2.
further, the functional monomer used in the modified acrylic polymer resin A is cyclohexyl acrylate.
Furthermore, the hydrogenated toluene and propylene glycol methyl ether acetate used in the modified acrylic polymer resin A are both solvents.
Further, the preparation method of the modified acrylic polymer resin A used in the cold-coated silver finish paint comprises the following specific steps:
s1: adding the initiator dibenzoyl peroxide into the styrene with the formula amount in a mixing tank, slowly adding the initiator dibenzoyl peroxide with the formula amount in a stirring state, and uniformly dissolving and dispersing;
s2: adding 70 percent of bedding solvent hydrogenation toluene into a reaction kettle, and heating to 88-92 ℃ under stirring;
s3: dripping methyl methacrylate, butyl acrylate, a functional monomer, a mixed monomer of acrylic acid and a styrene solution of dibenzoyl peroxide in a formula amount into a reaction kettle for 2.5-3h, and keeping for 2 h;
s4: heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h, and keeping for 1 h;
s5: uniformly mixing the rest 50% of the initiator tert-butyl peroxybenzoate and the formula amount of propylene glycol monomethyl ether acetate, dripping for 0.5h, keeping for 1h, cooling to below 70 ℃, filtering and packaging silk.
Further, the dispersant used in the cold-coating silver finish paint adopts one or two of BYK-P104S and BYK-ATU of Germany Bick company.
Further, the aluminum pigment used in the cold-coated silver finish paint adopts non-floating aluminum powder LX-998 and floating aluminum powder LX-200SH of Asahang company according to a mass ratio of 4: 5 ratio of the mixture.
Further, the orientation-assisting aligning agent used in the cold-coated silver finish paint is 226 silver powder orienting agent of New materials science and technology Limited company in the Shangguan city, Longhai.
Further, the anti-settling agent used in the cold-coated silver finish paint is 202P anti-settling agent of Xianjiede trading Limited or ULTRA anti-settling agent of Cami Union trading Limited.
Further, the stabilizer used in the cold-coating silver finish paint is prepared by mixing CAB-551-0.2 and CAB-551-0.01 of American Istman according to the mass mixing ratio of 2: 3.
Further, the model of the defoaming agent used in the cold-coating silver finish paint is one or two of BYK-052 or 6510 of Haimax.
Further, the type of the leveling agent used in the cold-coating silver finish paint is one of BYK-306 or BYK-341.
Further, the mixed solvent used in the cold-coated silver finish paint adopts a mixture of 4-7 parts of No. 200 solvent oil and 3-6 parts of butyl acetate, wherein the solvent is mixed with 3-6 parts of butyl acetate.
A cold-coating silver finish paint containing modified acrylic polymer resin A is prepared by the following steps:
s1: adding 60% of the mixed solvent into a clean batching kettle, then adding the aluminum pigment, stirring at the speed of 500r/min under the stirring of 300-;
s2: slowly adding the modified acrylic polymer resin A with the formula amount under the stirring of 300-500r/min, and fully and uniformly stirring;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: sequentially adding the assistant directional arrangement agent, the anti-settling agent and the stabilizing agent in the formula amount at the speed of 400-;
s5: after all the materials are added, the rotation speed is adjusted to be 200-400r/min, under 200-400r/min, other 40 percent of mixed solvent is added, the viscosity is adjusted to be in a qualified range, and the silk is filtered and packaged.
A construction method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
and (3) fully and uniformly stirring the prepared product, adjusting the viscosity to 20-24 seconds/T-4 cup (25 ℃), and constructing by adopting construction modes such as brushing, roller coating, spraying and the like.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a cold-coating silver finish paint containing a modified acrylic polymer resin A, which is prepared by applying a self-researched modified acrylic polymer resin A, wherein the modified acrylic polymer resin A has the advantages of quick drying, light retention, good color retention, high hardness and good weather resistance, and can play a good role in fixing silver paste when being used in the cold-coating silver finish paint, so that the silver powder can be uniformly fixed, the stability and the durability of a product are improved, and meanwhile, the fullness and the chemical resistance of the product are met, and the cold-coating silver finish paint has good weather resistance and mechanical properties;
(2) in the cold-coating silver finish paint provided by the invention, the aluminum pigment adopts the floating aluminum powder LX-998 and the floating aluminum powder LX-200SH of the Assun, and in the product, the floating aluminum powder and the non-floating aluminum powder are effectively matched, so that the metal texture and the metal brightness of the product are ensured; by adopting 202P anti-settling agent of Xian Jiede trade company Limited or ULTRA anti-settling agent of Kemi Union trade company Limited, as is well known, the phenomenon of sagging is easy to occur in the spraying construction application due to the metal characteristic of the aluminum pigment, and the sagging prevention performance of the product is well ensured by the matching; the stabilizer is matched with the American Isyman CAB-551-0.2 and CAB-551-0.01 for use, so that the good arrangement of the aluminum pigment is ensured, and the aluminum pigment can be uniformly distributed and arranged in the spraying construction application, so that the good metal appearance effect of the product is ensured;
(3) the cold coating silver finish paint provided by the invention has a simple construction application process, can be sprayed in air or in high pressure without air similarly to a spraying construction method of common silver paste enamel paint, and is simple and convenient in construction applicability. The construction process of the hot galvanizing coating is complex, conditions such as the temperature of the zinc liquid, the dip plating time and the speed of moving a workpiece out of the zinc liquid need to be controlled, the coating process is complex, any step of coating has a problem and can cause great influence on the coating effect, and zinc ash, zinc slag and the like are generated in the hot galvanizing process, so that the quality of the zinc dipping layer is seriously influenced, the coating is rough, core lumps and the like are generated, the hot galvanizing coating is not easy to process on one hand, and a large amount of waste is easily caused on the other hand. In turn, the cold coating silver finish paint provided by the invention has simple construction process, does not generate a series of subsequent problems, and is obviously superior to hot galvanizing coatings in this respect;
(4) the cold coating silver finish paint provided by the invention has the following drying property: the surface drying is less than 30min, the actual drying is less than 2h, the drying time is short, the workpieces can be stacked 2h after construction, and no indentation is generated; mechanical properties: the adhesive force of the marking test is less than 1 grade, the bending test is 1mm, the pencil hardness (scratch) is more than or equal to HB, and the impact resistance is 50 cm; in terms of weather resistance: the artificial accelerated aging resistance is more than 2000h, and the phenomena of color change, light loss and the like do not exist, and the salt spray resistance is more than 500h, so that a paint film does not rust, foam, crack or fall off; chemical resistance: the acid resistance (50g/L H2SO4) and the alkali resistance (50g/L NaOH) are both more than 48h, and the salt water resistance (3% NaCl) and the water resistance are both more than 168 h. The cold-coated silver finish paint has excellent drying performance, mechanical performance, chemical resistance, ageing resistance and salt spray resistance, has good metal appearance, can be widely applied to the related fields of metal protection, industrial corrosion prevention, decoration and the like, plays a good role in protection, well prolongs the service life of equipment, has wide market prospect in popularization and use, and has high economic and social benefits.
Detailed Description
The present invention will be described in further detail in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The modified acrylic polymer resin A in the cold-coating silver finish paint containing the modified acrylic polymer resin A is independently researched and developed, and corresponding procurement manufacturers for preparing the modified acrylic polymer resin A and the cold-coating silver finish paint are shown in Table 1:
TABLE 1 corresponding Purchase manufacturer for purchasing each raw material component
| Serial number | Raw materials | Specification of |
| 1 | Methacrylic acid methyl ester | All-grass of Jiangsu Sanmu |
| 2 | Acrylic acid butyl ester | Xian Liangshan chemical industry |
| 3 | Styrene (meth) acrylic acid ester | Gansu star chemical industry |
| 4 | Acrylic acid cyclohexyl ester | Shanghai Huayi |
| 5 | Acrylic acid | Linglin chemical |
| 6 | Dibenzoyl peroxide | Lanzhou Auxiliaries Factory |
| 7 | Peroxybenzoic acid tert-butyl ester | Lanzhou Auxiliaries Factory |
| 8 | Hydrogenated toluene | Medium petrochemistry |
| 9 | Propylene glycol methyl ether acetate | Xian Tianying chemical engineering |
| 10 | BYK-P104S dispersant | Bike Co Ltd |
| 11 | ATU wetting dispersant | Bike Co Ltd |
| 12 | Non-floating aluminum powder LX-998 | Asahi Co Ltd |
| 13 | Floating aluminum powder LX-200SH | Asahi Co Ltd |
| 14 | 226 silver powder directing agent | Dongguan Longhai |
| 15 | 202P anti-settling agent | Xian Jiede |
| 16 | ULTRA anti-settling agent | Kemi couplet |
| 17 | CAB-551-0.2 | Eastman united states |
| 18 | CAB-551-0.01 | Eastman united states |
| 19 | BYK-052 defoaming agent | Bike Co Ltd |
| 20 | 6510 defoaming agent | Haimanshi |
| 21 | BYK-306 leveling agent | Bike Co Ltd |
| 22 | 200# solvent oil | All-grass of Jiangsu Sanmu |
| 23 | Acetic acid butyl ester | All-grass of Jiangsu Sanmu |
Example 1
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific components in parts by mass: 17kg of methyl methacrylate, 8kg of butyl acrylate, 18kg of styrene, 8kg of functional monomer, 0.6kg of acrylic acid, 0.7kg of initiator, 35kg of hydrogenated toluene and 12.7kg of propylene glycol methyl ether acetate, wherein the initiator in the formula comprises dibenzoyl peroxide and tert-butyl peroxybenzoate, 0.7kg of initiator comprises 0.42kg of dibenzoyl peroxide and 0.28kg of tert-butyl peroxybenzoate, the functional monomer is cyclohexyl acrylate, and the hydrogenated toluene and the propylene glycol methyl ether acetate are solvents.
The preparation method of the modified acrylic polymer resin A used in the cold-coating silver finish paint comprises the following steps: :
s1: adding the initiator dibenzoyl peroxide into the styrene with the formula amount in a mixing tank, slowly adding the initiator dibenzoyl peroxide with the formula amount in a stirring state, and uniformly dissolving and dispersing;
s2: adding a bottom-filling solvent with the formula amount of 70% into a reaction kettle, and adding hydrogenated toluene, and heating to 88-92 ℃ under stirring;
s3: dropping methyl methacrylate, butyl acrylate, a functional monomer, a mixed monomer of acrylic acid and a styrene solution of dibenzoyl peroxide into a reaction kettle for 2.5-3h, and keeping for 2 h;
s4: heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h, and keeping for 1 h;
s5: uniformly mixing the rest 50% of initiator tert-butyl peroxybenzoate and propylene glycol methyl ether acetate according to the formula amount, dripping for 0.5h, keeping for 1h, cooling to below 70 ℃, filtering and packaging silk to obtain the modified acrylic polymer resin A.
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific raw material components in parts by mass: 50kg of modified acrylic polymer, 0.6kg of BYK-P104S dispersant, 4kg of LX-998 non-floating aluminum powder, 5kg of LX-200SH floating aluminum powder, 1.2kg of 226 silver powder directing agent, 0.5kg of 202P anti-settling agent, 4kg of CAB-551-0.2 stabilizer, 6kg of CAB-551-0.1 stabilizer, 0.2kg of BYK-052 defoaming agent, 0.2kg of BYK-306 leveling agent and 2kg of mixed solvent, wherein the mixed solvent is prepared by mixing 4-7 parts of 200# solvent oil and 3-6 parts of butyl acetate, and the mass mixing ratio of the 200# solvent oil and the butyl acetate can be 4:3, 5:4 and 7: 6.
A preparation method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
s1: adding 70% of the mixed solvent into a clean batching kettle, then adding LX-998 non-floating type aluminum powder and LX-200SH floating type aluminum powder, stirring at the speed of 500r/min for 300-;
s2: slowly adding the modified acrylic polymer resin A under stirring at 500r/min at 300-;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: under 400-DEG C600 r/min, adding 226 silver powder directing agent, 202P anti-settling agent, CAB-551-0.2 stabilizer, BYK-052 defoamer and BYK-306 flatting agent in sequence, and stirring for 30 min;
s5: and after all the materials are added, adding the rest mixed solvent at the speed of 200 plus 400r/min, adjusting the viscosity to a qualified range, filtering and packaging the silk to obtain the cold-coated silver finish paint.
A construction method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
after the product is fully and uniformly stirred, the viscosity is adjusted to 20-24 seconds/T-4 cup (25 ℃), and construction can be carried out by adopting construction modes such as brushing, roller coating, spraying and the like.
Example 2
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific components in parts by mass: 21kg of methyl methacrylate, 10kg of butyl acrylate, 18kg of styrene, 8kg of functional monomer, 0.7kg of acrylic acid, 0.8kg of initiator, 34kg of hydrogenated toluene and 7.5kg of propylene glycol methyl ether acetate, wherein the initiator in the formula comprises dibenzoyl peroxide and tert-butyl peroxybenzoate, 0.8kg of initiator comprises 0.48kg of dibenzoyl peroxide and 0.32kg of tert-butyl peroxybenzoate, the functional monomer is cyclohexyl acrylate, and the hydrogenated toluene and the propylene glycol methyl ether acetate are solvents.
The preparation method of the modified acrylic polymer resin A used in the cold-coating silver finish paint comprises the following steps:
s1, adding the mixture into styrene with the formula amount in a blending tank, slowly adding an initiator dibenzoyl peroxide with stirring, and uniformly dissolving and dispersing;
s2, adding 70 percent of bedding solvent hydrogenation toluene into a reaction kettle, and heating to 88-92 ℃ under stirring;
s3, beginning to drip methyl methacrylate, butyl acrylate, functional monomer, mixed monomer of acrylic acid and styrene solution of dibenzoyl peroxide in a reaction kettle for 2.5-3h, and keeping for 2 h;
s4, heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h and keeping for 1 h;
s5, uniformly mixing the residual 50 percent of initiator tert-butyl peroxybenzoate and propylene glycol methyl ether acetate according to the formula amount, dripping for 0.5 hour, keeping for 1 hour, cooling to below 70 ℃, filtering and packaging silk to obtain the modified acrylic polymer resin A.
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific raw material components in parts by mass: 53kg of modified acrylic polymer, 0.6kg of BYK-ATU dispersant, 4kg of LX-998 non-floating aluminum powder, 5kg of LX-200SH floating aluminum powder, 1.2kg of 226 silver powder directing agent, 0.6kg of ULTRA anti-settling agent, 4kg of CAB-551-0.2 stabilizer, 6kg of CAB-551-0.1 stabilizer, 0.2kg of 6510 defoamer, 0.2kg of BYK-341 leveling agent and 6kg of mixed solvent, wherein the mixed solvent is prepared by mixing 4-7 parts of 200# solvent oil and 3-6 parts of butyl acetate, and the mass mixing ratio of the 200# solvent oil and the butyl acetate can be 4:3, 5:4 and 7: 6.
A preparation method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
s1: adding 70% of the mixed solvent into a clean batching kettle, then adding LX-998 non-floating type aluminum powder and LX-200SH floating type aluminum powder, stirring at the speed of 500r/min for 300-;
s2: slowly adding the modified acrylic polymer resin A under stirring at 500r/min at 300-;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: under 400-600r/min, adding 226 silver powder directing agent, ULTRA anti-settling agent, CAB-551-0.2 and CAB-551-0.1 compound stabilizer, 6510 defoamer and BYK-341 leveling agent in turn, and stirring for 30 min;
s5: after all the materials are added, adding the rest mixed solvent at the speed of 200 plus 400r/min, adjusting the viscosity to a qualified range, and filtering and packaging the silk.
A construction method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
after the product is fully and uniformly stirred, the viscosity is adjusted to 20-24 seconds/T-4 cup (25 ℃), and construction can be carried out by adopting construction modes such as brushing, roller coating, spraying and the like.
Example 3
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific components in parts by mass: 19kg of methyl methacrylate, 9kg of butyl acrylate, 20kg of styrene, 9kg of functional monomer, 0.8kg of acrylic acid, 1kg of initiator, 30kg of hydrogenated toluene and 11.2kg of propylene glycol methyl ether acetate, wherein the initiator in the formula comprises dibenzoyl peroxide and tert-butyl peroxybenzoate, 1kg of initiator comprises 0.6kg of dibenzoyl peroxide and 0.4kg of tert-butyl peroxybenzoate, the functional monomer is cyclohexyl acrylate, and the hydrogenated toluene and the propylene glycol methyl ether acetate are solvents.
The preparation method of the modified acrylic polymer resin A used in the cold-coating silver finish paint comprises the following steps:
s1: adding the initiator dibenzoyl peroxide into the styrene with the formula amount in a mixing tank, slowly adding the initiator dibenzoyl peroxide with the formula amount in a stirring state, and uniformly dissolving and dispersing;
s2: adding a bottom-filling solvent with the formula amount of 70% into a reaction kettle, and adding hydrogenated toluene, and heating to 88-92 ℃ under stirring;
s3: dropping methyl methacrylate, butyl acrylate, a functional monomer, a mixed monomer of acrylic acid and a styrene solution of dibenzoyl peroxide into a reaction kettle for 2.5-3h, and keeping for 2 h;
s4: heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h, and keeping for 1 h;
s5: uniformly mixing the rest 50% of the initiator tert-butyl peroxybenzoate and the formula amount of propylene glycol monomethyl ether acetate, dripping for 0.5h, keeping for 1h, cooling to below 70 ℃, filtering and packaging silk.
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific raw material components in parts by mass: 48kg of modified acrylic polymer, 0.6kg of BYK-ATU dispersant, 4kg of LX-998 non-floating aluminum powder, 5kg of LX-200SH floating aluminum powder, 1.2kg of 226 silver powder directing agent, 0.5kg of 202P anti-settling agent, 4kg of CAB-551-0.2 stabilizer, 6kg of CAB-551-0.1 stabilizer, 0.2kg of 6510 defoaming agent, 0.2kg of BYK-306 leveling agent and 4kg of mixed solvent, wherein the mixed solvent is prepared by mixing 4-7 parts of 200# solvent oil and 3-6 parts of butyl acetate, and the mass mixing ratio of the 200# solvent oil and the butyl acetate can be 4:3, 5:4 and 7: 6.
A preparation method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
s1: adding 70% of the mixed solvent into a clean batching kettle, then adding LX-998 non-floating type aluminum powder and LX-200SH floating type aluminum powder, stirring at the speed of 500r/min for 300-;
s2: slowly adding the modified acrylic polymer resin A under stirring at 500r/min at 300-;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: under 400-600r/min, adding 226 silver powder directing agent, 202P anti-settling agent, CAB-551-0.2 and CAB-551-0.1 compound stabilizer, 6510 defoamer and BYK-306 flatting agent in turn, and stirring for 30 min;
s5: after all the materials are added, adding the rest mixed solvent at the speed of 200 plus 400r/min, adjusting the viscosity to a qualified range, and filtering and packaging the silk.
A construction method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
after the product is fully and uniformly stirred, the viscosity is adjusted to 20-24 seconds/T-4 cup (25 ℃), and construction can be carried out by adopting construction modes such as brushing, roller coating, spraying and the like.
Example 4
A cold-coating silver finish containing modified acrylic polymer resin A comprises the following specific components: 20kg of methyl methacrylate, 8kg of butyl acrylate, 17kg of styrene, 7kg of functional monomer, 0.7kg of acrylic acid, 0.8kg of initiator, 34kg of hydrogenated toluene and 12.5kg of propylene glycol methyl ether acetate, wherein the initiator in the formula comprises dibenzoyl peroxide and tert-butyl peroxybenzoate, 0.8kg of initiator comprises 0.48kg of dibenzoyl peroxide and 0.32kg of tert-butyl peroxybenzoate, the functional monomer is cyclohexyl acrylate, and the hydrogenated toluene and the propylene glycol methyl ether acetate are solvents. .
The preparation method of the modified acrylic polymer resin A used in the cold-coating silver finish paint comprises the following steps:
s1: adding the initiator dibenzoyl peroxide into the styrene with the formula amount in a mixing tank, slowly adding the initiator dibenzoyl peroxide with the formula amount in a stirring state, and uniformly dissolving and dispersing;
s2: adding a bottom-filling solvent with the formula amount of 70% into a reaction kettle, and adding hydrogenated toluene, and heating to 88-92 ℃ under stirring;
s3: dropping methyl methacrylate, butyl acrylate, a functional monomer, a mixed monomer of acrylic acid and a styrene solution of dibenzoyl peroxide into a reaction kettle for 2.5-3h, and keeping for 2 h;
s4: heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h, and keeping for 1 h;
s5: uniformly mixing the rest 50% of the initiator tert-butyl peroxybenzoate and the formula amount of propylene glycol monomethyl ether acetate, dripping for 0.5h, keeping for 1h, cooling to below 70 ℃, filtering and packaging silk.
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific raw material components in parts by mass: 55kg of modified acrylic polymer, 0.6kg of BYK-ATU dispersant, 4kg of LX-998 non-floating aluminum powder, 5kg of LX-200SH floating aluminum powder, 1.2kg of 226 silver powder directing agent, 0.6kg of ULTRA anti-settling agent, 4kg of CAB-551-0.2 stabilizer, 6kg of CAB-551-0.1 stabilizer, 0.2kg of BYK-052 defoaming agent, 0.2kg of BYK-341 leveling agent and 6kg of mixed solvent, wherein the mixed solvent is prepared by mixing 4-7 parts of 200# solvent oil and 3-6 parts of butyl acetate, and the mass mixing ratio of the 200# solvent oil and the butyl acetate can be 4:3, 5:4 and 7: 6.
A preparation method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
s1: adding 70% of the mixed solvent into a clean batching kettle, then adding LX-998 non-floating type aluminum powder and LX-200SH floating type aluminum powder, stirring at the speed of 500r/min for 300-;
s2: slowly adding the modified acrylic polymer resin A under stirring at 500r/min at 300-;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: under 400-sand 600r/min, adding 226 silver powder directing agent, ULTRA anti-settling agent, CAB-551-0.2 and CAB-551-0.1 compound stabilizer, BYK-052 defoamer and BYK-341 leveling agent in sequence, and stirring for 30 min;
s5: after all the materials are added, adding the rest mixed solvent at the speed of 200 plus 400r/min, adjusting the viscosity to a qualified range, and filtering and packaging the silk.
A construction method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
after the product is fully and uniformly stirred, the viscosity is adjusted to 20-24 seconds/T-4 cup (25 ℃), and construction can be carried out by adopting construction modes such as brushing, roller coating, spraying and the like.
Example 5
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific components in parts by mass: 17kg of methyl methacrylate, 10kg of butyl acrylate, 19kg of styrene, 9kg of functional monomer, 0.8kg of acrylic acid, 0.9kg of initiator, 30.3kg of hydrogenated toluene and 13kg of propylene glycol methyl ether acetate, wherein the initiator in the formula comprises dibenzoyl peroxide and tert-butyl peroxybenzoate, 0.9kg of initiator comprises 0.54kg of dibenzoyl peroxide and 0.36kg of tert-butyl peroxybenzoate, the functional monomer is cyclohexyl acrylate, and the hydrogenated toluene and the propylene glycol methyl ether acetate are solvents.
The preparation method of the modified acrylic polymer resin A used in the cold-coating silver finish paint comprises the following steps:
s1: adding the initiator dibenzoyl peroxide into the styrene with the formula amount in a mixing tank, slowly adding the initiator dibenzoyl peroxide with the formula amount in a stirring state, and uniformly dissolving and dispersing;
s2: adding a bottom-filling solvent with the formula amount of 70% into a reaction kettle, and adding hydrogenated toluene, and heating to 88-92 ℃ under stirring;
s3: dropping methyl methacrylate, butyl acrylate, a functional monomer, a mixed monomer of acrylic acid and a styrene solution of dibenzoyl peroxide into a reaction kettle for 2.5-3h, and keeping for 2 h;
s4: heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h, and keeping for 1 h;
s5: uniformly mixing the rest 50% of the initiator tert-butyl peroxybenzoate and the formula amount of propylene glycol monomethyl ether acetate, dripping for 0.5h, keeping for 1h, cooling to below 70 ℃, filtering and packaging silk.
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific raw material components in parts by mass: 51kg of modified acrylic polymer, 0.6kg of BYK-P104S dispersant, 4kg of LX-998 non-floating aluminum powder, 5kg of LX-200SH floating aluminum powder, 1.2kg of 226 silver powder directing agent, 0.6kg of ULTRA anti-settling agent, 4kg of CAB-551-0.2 stabilizer, 6kg of CAB-551-0.1 stabilizer, 0.2kg of BYK-052 defoaming agent, 0.2kg of BYK-341 leveling agent and 5kg of mixed solvent, wherein the mixed solvent is prepared by mixing 4-7 parts of 200# solvent oil and 3-6 parts of butyl acetate, and the mass mixing ratio of the 200# solvent oil and the butyl acetate can be 4:3, 5:4 and 7: 6.
A preparation method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
s1: adding 70% of the mixed solvent into a clean batching kettle, then adding LX-998 non-floating type aluminum powder and LX-200SH floating type aluminum powder, stirring at the speed of 500r/min for 300-;
s2: slowly adding the modified acrylic polymer resin A under stirring at 500r/min at 300-;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: under 400-sand 600r/min, adding 226 silver powder directing agent, ULTRA anti-settling agent, CAB-551-0.2 and CAB-551-0.1 compound stabilizer, BYK-052 defoamer and BYK-341 leveling agent in sequence, and stirring for 30 min;
s5: after all the materials are added, adding the rest mixed solvent at the speed of 200 plus 400r/min, adjusting the viscosity to a qualified range, and filtering and packaging the silk.
The construction method of the cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following steps
After the product is fully and uniformly stirred, the viscosity is adjusted to 20-24 seconds/T-4 cup (25 ℃), and construction can be carried out by adopting construction modes such as brushing, roller coating, spraying and the like.
Example 6
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific components in parts by mass: 19kg of methyl methacrylate, 10kg of butyl acrylate, 18kg of styrene, 9kg of functional monomer, 0.7kg of acrylic acid, 0.9kg of initiator, 29.4kg of hydrogenated toluene and 13kg of propylene glycol methyl ether acetate, wherein the initiator in the formula comprises dibenzoyl peroxide and tert-butyl peroxybenzoate, 0.9kg of initiator comprises 0.54kg of dibenzoyl peroxide and 0.36kg of tert-butyl peroxybenzoate, the functional monomer is cyclohexyl acrylate, and the hydrogenated toluene and the propylene glycol methyl ether acetate are solvents.
The preparation method of the modified acrylic polymer resin A used in the cold-coating silver finish paint comprises the following steps:
s1: adding the initiator dibenzoyl peroxide into the styrene with the formula amount in a mixing tank, slowly adding the initiator dibenzoyl peroxide with the formula amount in a stirring state, and uniformly dissolving and dispersing;
s2: adding a bottom-filling solvent with the formula amount of 70% into a reaction kettle, and adding hydrogenated toluene, and heating to 88-92 ℃ under stirring;
s3: dropping methyl methacrylate, butyl acrylate, a functional monomer, a mixed monomer of acrylic acid and a styrene solution of dibenzoyl peroxide into a reaction kettle for 2.5-3h, and keeping for 2 h;
s4: heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h, and keeping for 1 h;
s5: uniformly mixing the rest 50% of the initiator tert-butyl peroxybenzoate and the formula amount of propylene glycol monomethyl ether acetate, dripping for 0.5h, keeping for 1h, cooling to below 70 ℃, filtering and packaging silk.
The cold-coating silver finish paint containing the modified acrylic polymer resin A comprises the following specific raw material components in parts by mass: 50kg of modified acrylic polymer, 0.6kg of BYK-P104S dispersant, 4kg of LX-998 non-floating aluminum powder, 5kg of LX-200SH floating aluminum powder, 1.2kg of 226 silver powder directing agent, 0.6kg of ULTRA anti-settling agent, 4kg of CAB-551-0.2 stabilizer, 6kg of CAB-551-0.1 stabilizer, 0.2kg of BYK-052 defoaming agent, 0.2kg of BYK-341 leveling agent and 6kg of mixed solvent, wherein the mixed solvent is prepared by mixing 4-7 parts of 200# solvent oil and 3-6 parts of butyl acetate, and the mass mixing ratio of the 200# solvent oil and the butyl acetate can be 4:3, 5:4 and 7: 6.
A preparation method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
s1: adding 70% of the mixed solvent into a clean batching kettle, then adding LX-998 non-floating type aluminum powder and LX-200SH floating type aluminum powder, stirring at the speed of 500r/min for 300-;
s2: slowly adding the modified acrylic polymer resin A under stirring at 500r/min at 300-;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: under 400-sand 600r/min, adding 226 silver powder directing agent, ULTRA anti-settling agent, CAB-551-0.2 and CAB-551-0.1 compound stabilizer, BYK-052 defoamer and BYK-341 leveling agent in sequence, and stirring for 30 min;
s5: after all the materials are added, adding the rest mixed solvent at the speed of 200 plus 400r/min, adjusting the viscosity to a qualified range, and filtering and packaging the silk.
A construction method of a cold-coating silver finish containing modified acrylic polymer resin A comprises the following steps:
after the product is fully and uniformly stirred, the viscosity is adjusted to 20-24 seconds/T-4 cup (25 ℃), and construction can be carried out by adopting construction modes such as brushing, roller coating, spraying and the like.
Example 7
The cold-coating silver finish paint containing the modified acrylic polymer resin A prepared by the method is subjected to related performance detection, and the specific result is as follows:
table 2 detection results of cold-coated silver finish containing modified acrylic polymer resin A
From the above detection results, the cold-coated silver finish paint containing the modified acrylic polymer resin A prepared by the invention has the following drying characteristics: the surface drying is less than 30min, the actual drying is less than 2h, the drying time is short, the workpieces can be stacked 2h after construction, and no indentation is generated; mechanical properties: the adhesive force of the marking test is less than 1 grade, the bending test is 1mm, the pencil hardness (scratch) is more than or equal to HB, and the impact resistance is 50 cm; in terms of weather resistance: the artificial accelerated aging resistance is more than 2000h, and the phenomena of color change, light loss and the like do not exist, and the salt spray resistance is more than 500h, so that a paint film does not rust, foam, crack or fall off; chemical resistance: the acid resistance (50g/L H2SO4) and the alkali resistance (50g/L NaOH) are both more than 48h, and the salt water resistance (3% NaCl) and the water resistance are both more than 168 h. The cold-coated silver finish paint has excellent drying performance and mechanical performance, good chemical resistance, ageing resistance and salt spray resistance, has good metal appearance, and can be widely applied to the related fields of metal protection, industrial corrosion prevention, decoration and the like.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (5)
1. The cold-coating silver finish paint containing the modified acrylic polymer resin A is characterized by comprising the following raw materials in parts by mass: 40-60 parts of modified acrylic polymer resin A, 0.5-1.5 parts of dispersing agent, 7-20 parts of aluminum pigment, 0.5-2.5 parts of orientation-assisted alignment agent, 0.5-3 parts of anti-settling agent, 5-15 parts of stabilizing agent, 0.05-0.2 part of defoaming agent, 0.05-0.2 part of flatting agent and 2-6 parts of mixed solvent; the modified acrylic polymer resin A in the cold-coating silver finish paint is prepared from the following components in parts by mass: 17-20 parts of methyl methacrylate, 8-10 parts of butyl acrylate, 17-20 parts of styrene, 7-9 parts of functional monomer, 0.6-0.8 part of acrylic acid, 0.7-1.0 part of initiator, 30-36 parts of hydrogenated toluene and 9-13 parts of propylene glycol methyl ether acetate; the initiator used in the modified acrylic polymer resin A is dibenzoyl peroxide and tert-butyl peroxybenzoate; the aluminum pigment is prepared from LX-998 and LX-200SH of Asahi company according to a mass ratio of 4: 5 mixing the mixture; the functional monomer used in the modified acrylic polymer resin A is cyclohexyl acrylate; the preparation method of the modified acrylic polymer resin A used in the cold-coating silver finish paint comprises the following specific steps:
s1: adding the initiator dibenzoyl peroxide into the styrene with the formula amount in a mixing tank, slowly adding the initiator dibenzoyl peroxide with the formula amount in a stirring state, and uniformly dissolving and dispersing;
s2: adding 70 percent of bedding solvent hydrogenation toluene into a reaction kettle, and heating to 88-92 ℃ under stirring;
s3: dripping methyl methacrylate, butyl acrylate, a functional monomer, a mixed monomer of acrylic acid and a styrene solution of dibenzoyl peroxide in a formula amount into a reaction kettle for 2.5-3h, and keeping for 2 h;
s4: heating to 98-102 ℃, uniformly mixing 50% of initiator tert-butyl peroxybenzoate and the rest 30% of hydrogenated toluene, and then dripping for 0.5h, and keeping for 1 h;
s5: uniformly mixing the rest 50% of the initiator tert-butyl peroxybenzoate and the formula amount of propylene glycol monomethyl ether acetate, dripping for 0.5h, keeping for 1h, cooling to below 70 ℃, filtering and packaging silk.
2. The cold-coated silver finish paint containing the modified acrylic polymer resin A as claimed in claim 1, wherein the dispersant is one or two of BYK-P104S and BYK-ATU of Bick, Germany.
3. The cold-coated silver finish paint containing the modified acrylic polymer resin A as claimed in claim 1, wherein the anti-settling agent is 202P anti-settling agent of Xianjiede trade company or ULTRA anti-settling agent of Cambridge trade company, the stabilizer is a mixture of CAB-551-0.2 and CAB-551-0.01 of Eschmann in the United states in a mass ratio of 2:3, the defoaming agent is one or two of BYK-052 or 6510 of Haimax, and the leveling agent is one of BYK-306 or BYK-341.
4. The cold-coated silver finish paint containing the modified acrylic polymer resin A as claimed in claim 1, wherein the mixed solvent is a mixture of 4-7 parts of No. 200 solvent oil and 3-6 parts of butyl acetate.
5. A method for preparing a cold-applied silver finish containing a modified acrylic polymer resin A according to any one of claims 1 to 4, comprising the steps of:
s1: adding 60% of the mixed solvent into a clean batching kettle, then adding the aluminum pigment, stirring at the speed of 500r/min under the stirring of 300-;
s2: slowly adding the modified acrylic polymer resin A with the formula amount under the stirring of 300-500r/min, and fully and uniformly stirring;
s3: the rotation speed is adjusted to be 400-600r/min, and the stirring is carried out for 20 min;
s4: sequentially adding the assistant directional arrangement agent, the anti-settling agent, the stabilizing agent, the defoaming agent and the leveling agent in the formula amount at the speed of 400-;
s5: after all the materials are added, the rotation speed is adjusted to be 200-400r/min, under 200-400r/min, other 40 percent of mixed solvent is added, the viscosity is adjusted to be in a qualified range, and the silk is filtered and packaged.
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| CN101348638A (en) * | 2008-08-28 | 2009-01-21 | 庄晓明 | Efficient reflectorized paint |
| CN102492080A (en) * | 2011-11-11 | 2012-06-13 | 江苏三木化工股份有限公司 | Thermoplastic acrylic resin |
| CN102558982A (en) * | 2010-12-17 | 2012-07-11 | 江苏皓月涂料有限公司 | High decorative acrylic flashing paint and preparation method thereof |
| CN102585579A (en) * | 2011-09-29 | 2012-07-18 | 长兴化学工业股份有限公司 | Metal powder oriented resin composition |
| CN109897498A (en) * | 2019-03-21 | 2019-06-18 | 沈阳派尔化学有限公司 | A kind of special type non-ferrous metal surface paint special and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348638A (en) * | 2008-08-28 | 2009-01-21 | 庄晓明 | Efficient reflectorized paint |
| CN102558982A (en) * | 2010-12-17 | 2012-07-11 | 江苏皓月涂料有限公司 | High decorative acrylic flashing paint and preparation method thereof |
| CN102585579A (en) * | 2011-09-29 | 2012-07-18 | 长兴化学工业股份有限公司 | Metal powder oriented resin composition |
| CN102492080A (en) * | 2011-11-11 | 2012-06-13 | 江苏三木化工股份有限公司 | Thermoplastic acrylic resin |
| CN109897498A (en) * | 2019-03-21 | 2019-06-18 | 沈阳派尔化学有限公司 | A kind of special type non-ferrous metal surface paint special and preparation method thereof |
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