CN103483985B - A kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish and its preparation method and application - Google Patents
A kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish and its preparation method and application Download PDFInfo
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Abstract
The invention discloses a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish and its preparation method and application, the slurry that this baking vanish comprises component 1 and component 2 and oneself prepares, epoxide modified water soluble acrylic resin and part methyl-etherified terpolycyantoamino-formaldehyde resin and naphthene sulfonic acid class catalyzer is utilized to work in coordination with, make the glass wine bottle baking vanish toasted at 150 DEG C ~ 180 DEG C temperature have high gloss of film degree before using again with propyl trimethoxy silicane coupling agent mixed diluting, excellent resistance to alcohol performance, there is excellent recoat performance and outstanding paint film adhesion, greatly reduce product VOC content, the TVOC of glass wine bottle baking vanish product of the present invention can be controlled in below 106g/L, well below the Limited Doses 250g/L that the environmental protection standard (HJ/T201-2005) that coating industry is the strictest requires, thus advantage highlights the environmental-protecting performance of the amino glass wine bottle paint of water-based.
Description
Technical field
The present invention relates to a kind of glass wine bottle baking vanish and preparation method thereof, particularly relate to a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish and its preparation method and application.
Background technology
Glass wine bottle paint is divided into oiliness glass wine bottle paint and aqueous glass bottle paint because of the difference of its dispersion medium.Oiliness glass wine bottle paint is the material relatively commonly used in the market, already by wide popularization and application, and relative maturity and popularizing.When using oiliness glass wine bottle paint, need the organic solvent (toluene, dimethylbenzene, industrial spirit etc.) adding more than 50%; These solvents easily volatilize, irritant smell and murder by poisoning to human body various degrees, constantly evaporate in air or are absorbed by the body, seriously welding, injury HUMAN HEALTH in production process, application process and drying process.Aqueous glass bottle paint take water as dispersion medium, completely eliminate the harm of organic solvent to human body, have the advantage that conventional oil-based coating is incomparable, such as health environment-friendly, low-carbon energy-saving, utilization ratio is high, security is good, obtains develop rapidly in countries in the world.
Since entering 21 century, along with the continuous enhancing of people's awareness of environment protection and health, the environmental regulation of various countries is tending towards harsh gradually to the restriction of VOC, and oiliness glass wine bottle paint is subject to unprecedented challenge.To alleviate the research of the new coating of low VOC or the Diamond Search discharge carried out for the purpose of earth load, just increasingly become the focus of research and development.Substitute traditional oiliness glass wine bottle paint with aqueous glass bottle paint, progressively realize solvent free and the food grade requirement of glass wine bottle external coating, become the inexorable trend of future development.
Aqueous glass bottle paint general reference water soluble acrylic acid baking vanish, it has good water-dilutable, and smell is little, and color is high, and fullness ratio is good, protects light tint retention excellence, and has higher hardness, outstanding snappiness and resistance to marring, use safety, simple to operate.But, problem and the difficult problems such as the water-based bottle paint released in the market exists glossiness not high (lower than 90 °) usually, the poor performance of resistance to ethanol and resistance to high spirit, recoatability bad (recoat postadhesion power >=2 grade).
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing one to have excellent recoat performance and outstanding paint film adhesion, the good and high gloss acrylic-amino of the resistance to ethanol aqueous glass wine bottle baking vanish of environmental protection of the performance of resistance to high spirit.
Another object of the present invention is to provide a kind of preparation method of above-mentioned glass wine bottle baking vanish.
3rd object of the present invention is to provide a kind of application of above-mentioned glass wine bottle baking vanish.
To achieve these goals, the present invention is by the following technical solutions:
A kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish, is characterized in that composed of the following components by weight percentage:
Component 1:
Wherein each weight percentages of components sum of component 1 is absolutely;
Component 2:
Propyl trimethoxy silicane coupling agent,
Its consumption is 0.8% ~ 1.0% of component 1 gross weight.
Mill base in baking vanish component 1 of the present invention is made up of following weight percent composition:
In mill base, the weight percent sum of each feed composition is absolutely.
The epoxide modified water soluble acrylic resin that epoxide modified water soluble acrylic resin in baking vanish of the present invention produces for Sanmu Group Co., Ltd., Jiangsu.
Part methyl-etherified terpolycyantoamino-formaldehyde resin in baking vanish of the present invention is the part methyl-etherified terpolycyantoamino-formaldehyde resin that Qing Te company of the U.S. produces.
The weight ratio of the epoxide modified water soluble acrylic resin's solid part in baking vanish component 1 of the present invention and part methyl-etherified terpolycyantoamino-formaldehyde resin solid part is 3.5 ~ 5.
Propyl trimethoxy silicane coupling agent in baking vanish of the present invention is the organo silane coupling agent that Dow corning company produces.
A preparation method for the above-mentioned high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish, is characterized in that comprising following processing step:
A, prepare mill base: in dispersion cylinder, add epoxide modified water soluble acrylic resin and water, middling speed dispersion 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, high speed dispersion 25 ~ 35min, carry out grinding twice with sand mill to the slurries of high speed dispersion, obtained mill base is for subsequent use;
B, preparation component 1: in dispersion cylinder, add epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water, middling speed dispersion 15min, slowly add the mill base that flow agent, thickening material and step a are obtained again, high speed dispersion 30 ~ 35min, sampling detects finish fineness and viscosity, filter and package, obtain component 1;
C, preparation component 2: take propyl trimethoxy silicane coupling agent, after filtering, namely packaging obtains component 2;
D, component 1 and component 2 to be preserved respectively, mix again before use
Middling speed rate of dispersion in preparation method step a and b of the present invention is 600 ~ 800r/min, and high speed dispersion speed is 1000 ~ 1500r/min.
Fineness≤15 μm of component 1 obtained in preparation method step b of the present invention, viscosity is 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C.
The application of the high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish prepared by a kind of aforesaid method, it is characterized in that before coating decoration, the component 2 prepared is joined in the component 1 prepared and is uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 10% ~ 30%, spread after leaving standstill, then, at temperature 150 DEG C ~ 180 DEG C, baking 15 ~ 30min is to dry.
In the present invention, water preferably removes dried up son.
The present invention considered the selection of water-borne acrylic resin, the selection of aminoresin, acrylic resin and the proportioning of aminoresin, the kind of catalyzer and consumption, adhesion promoter multiple factor such as to select, in order to set forth technical scheme of the present invention better, below the mechanism of action of instant component is described further:
1, with epoxide modified water soluble acrylic resin for matrix resin, guarantee the high glossiness of paint film, high rigidity, strong weathering resistance and chemical-resistant etc.
Water-dilutable acrylic-amino coating, because of its ornamental and weathering resistance preferably, is widely used in decorative finishes, in industrial coating, progressively replaces solvent based coating.But water-reducible coatings easily causes working viscosity too low, produce sagging; In bake process, paint film easily bubbles; The solid content of coating own is low, and fullness ratio is poor.And emulsion acrylic amido coatings does not exist dilution problem, join paint modest viscosity, can obtain highly filled, weak point is that the gloss of its paint film is not high, resistance to alcohol repellency bad.Epoxide modified water soluble acrylic resin had both had the good advantage of the high-modulus of epoxy resin, high strength, chemical-resistant and preservative property, had again the features such as the gloss of acrylic resin, fullness ratio, good weatherability concurrently; With it for coating prepared by base-material possesses excellent use properties, be particularly useful for making high performance aqueous glass bottle baking vanish.
The epoxide modified water soluble acrylic resin that the present invention selects Sanmu Group Co., Ltd., Jiangsu to produce is main film forming substance (matrix resin).It is a kind of solid containing the epoxy-modified acrylic acid emulsion up to (60 ± 1) %, there is the advantages such as glossiness is high, hardness good (3H), fullness ratio is good, weathering resistance is good, excellent recoatability, glass attachment power, water boiling resistance and the resistance to paint film property such as alcohol repellency can be provided, be specially adapted to high-grade glass bottle baking vanish.
2, preferably part methyl-etherified terpolycyantoamino-formaldehyde resin is linking agent, guarantees the high glossiness of paint film and the resistance to alcohol repellency of excellence further
Aminoresin plays crosslinked action in the curing process, very big to the performance impact of film.Water-compatible amino resin is of a great variety, usually selects the terpolycyantoamino-formaldehyde resin of different etherificate type, comprising: butylated melamine-formaldehyde resin, methyl-etherified terpolycyantoamino-formaldehyde resin, mixed etherified melamine amine-formaldehyde resins etc.When methyl-etherified terpolycyantoamino-formaldehyde resin is as linking agent, solidification value is higher than general butylated melamine-formaldehyde resin, sometimes needs to add appropriate acid curing agent.Because methyl-etherified aminoresin is comparatively stable, even if be added with the storage stability that acid catalyst also can not affect coating, in addition the water-soluble of methyl-etherified terpolycyantoamino-formaldehyde resin is better, and therefore, the present invention selects methyl-etherified terpolycyantoamino-formaldehyde resin for the preparation of water-based amino-stoving varnish.
The degree of etherification of aminoresin directly affects the performance of paint film.Because the relative molecular mass of height methyl-etherified aminoresin is little, haplotype, therefore, after the aminoresin solidification of height methyl-etherified, its paint film has excellent impact resistance, but gloss and the resistance to alcohol repellency aminoresin not as part methyl-etherified.Compared with the aminoresin of height methyl-etherified, part methyl-etherified aminoresin has higher reactive behavior, under identical condition of cure, can form the paint film of more high-crosslinking-degree with matrix resin, the glossiness of paint film, the performance of resistance to alcohol repellency, resistance to high spirit are all greatly improved.
The part methyl-etherified aminoresin that the present invention selects Qing Te company of the U.S. (CytecIndustriesInc.) to produce is linking agent.It is a kind of aggretion type part methyl-etherified HMMM resin, non-volatile part content >98%.It can be used as the linking agent of multiple polymers material, can react with comprising the polymkeric substance containing hydroxyl, amide group, carboxyl such as Synolac, vibrin, acrylic resin and epoxy resin.This polymer materials containing volatile solvent, does not have good compatibility and solvability, good stability, the snappiness that also can obtain while improving hardness of paint film, can realize quick catalysis solidification, and cost performance is high.
3, optimize the proportioning of matrix resin and linking agent, realize each component of coating full cross-linked with solidify completely, the paint film of high, the resistance to alcohol repellency excellence of formation glossiness
Matrix resin is different from the proportioning of linking agent, and the impact for paint film property is most important.The present invention studies discovery: when aminoresin consumption increases, hardness, the antiseptic property of paint film are improved, but snappiness, sticking power and shock-resistance decline; When aminoresin add-on reduces, hardness of paint film and antiseptic property are deteriorated all thereupon, but the snappiness of paint film, sticking power and shock-resistance are better.When the weight ratio of epoxide modified water soluble acrylic resin's solid part and part methyl-etherified terpolycyantoamino-formaldehyde resin solid part is 3.5 ~ 5, best paint film over-all properties can be obtained.
4, the selection of catalyst type
The amino glass wine bottle baking vanish of water soluble acrylic acid of film forming is cross-linked with epoxide modified water soluble acrylic resin and part methyl-etherified terpolycyantoamino-formaldehyde resin, if wish, it obtains the high film of a cross-linking density at short notice, and the acid number depending merely on resin system itself is inadequate; The use of all kinds of acid catalyst is the effective mode promoting matrix resin and linking agent Quick cross-linking.
In water-borne coatings, spendable acid catalyst is few, mainly contains: phosphoric acid, phosphoric acid derivatives and sulfonic acid (dinonylnaphthalene disulfonic acid, Witco 1298 Soft Acid, p-methyl benzenesulfonic acid) etc.Primary study of the present invention on 3 kind catalyzer such as toluene acid catalyst, Witco 1298 Soft Acid class catalyzer, naphthene sulfonic acid class catalyzer on the impact of water-based epoxy acrylic amino-stoving varnish.
The catalytic efficiency of an acidic catalyst in epoxy acrylic water-based stoving paint solidification process is high, and the water tolerance of film, acid and alkali-resistance, snappiness are better, and hardness is also higher.The present invention studies discovery, and 3 kinds of catalyzer all have different katalysis to coating.The performances such as the most obvious to the Catalysis Rate of toluene acid catalyst, but also maximum to the side effect of film, its paint film shock resistance is also the poorest, water-fast, acidproof, alkaline-resisting, the salt spray resistance of paint film are also poor.The Catalysis Rate of Witco 1298 Soft Acid class catalyzer takes second place, and the Catalysis Rate of naphthene sulfonic acid class catalyzer is the most weak.Meanwhile, the present invention studies discovery, although naphthene sulfonic acid class catalyst speed is the slowest, also minimum to film side effect.
Show the test result of 3 kinds of acidity of catalyst powers, the sequence of 3 class acidity of catalyst powers is followed successively by: to toluene acid catalyst > naphthene sulfonic acid class catalyzer > Witco 1298 Soft Acid class catalyzer; And along with the enhancing with acidity of catalyst, performance is also corresponding improves for water-fast, acid and alkali-resistance, the salt spray resistance etc. of paint film.The active effect of comprehensive assessment 3 kinds of catalyzer and negative impact, the present invention selects naphthene sulfonic acid class catalyzer.
5, the determination of catalyst levels
The film performance of catalyst levels to water-based stoving paint also also exists great effect.Suitable catalyst levels, significantly can improve the performance of paint film; And excessive catalyzer not quite, even plays retroaction to film performance contribution, and increase cost.
The present invention studies discovery, along with the interpolation of naphthene sulfonic acid class catalyzer and the increase gradually of consumption, and the corresponding increase of hardness of film, and increase tendency is stronger; When catalytic amount is increased to 1.0% ~ 1.5% (massfraction), hardness of film reaches maximum value, and the further increase hardness of film along with catalyst levels starts to decline.
Catalyzer also has good improved action to the water tolerance of epoxy acrylic baking vanish, and shows the affecting laws identical with hardness of paint film.When catalyzer is 0.8% (massfraction) left and right, the water tolerance of film is best; This is because adding of catalyzer adds speed and the cross-linking density that epoxy acrylic resin is cross-linked film forming, thus add crosslinking curing degree, cause water-resistance property of coating to be improved.But along with the further increase of catalyst levels, the water tolerance of film just becomes poor, and also there is the defect of white mist when spraying; This is because catalyzer is strong proton donor, when catalyst levels is larger, these donors be combined with each other with the water vapour in water or air with regard to being easy under polarity effect, thus show the disadvantage of poor water tolerance and a white mist.
Consider above-mentioned factor, the best of naphthene sulfonic acid class catalyzer is added consumption and is defined as 0.8% ~ 1.0% (massfraction).
6, the selection of adhesion promoter kind and consumption
In the property indices of waterborne glass coatings, sticking power requires it is the most key, also one of the most inaccessible important indicator.Take silane coupling agent as adhesion promoter, effectively can strengthen the adhesive ability of coating to glass baseplate.
Silicone coupling agents is added after coating construction in coating, silicone coupling agents is to the interfacial migration of ground, silanol base can be generated in inorganic surfaces generation hydrolysis, and then and substrate surface on hydroxyl form hydrogen bond or be condensed into Si-O-M(M and represent metal, glass etc.) covalent linkage, then (response type group is hydrophilic amino to R organo-functional group on silane with coating resin or solidifying agent, hydroxyl, carboxyl etc.) react, winding is entangled with in bonding or formation, and then reach enhancement attachment, reduce water or the effect such as the infiltration of alcohols material to ground and the solvability to paint film.Meanwhile, the silanol base of each molecular linkage of silane also can form reticulated structure with the mutual condensation of paint film.
The organo silane coupling agent that the present invention selects Dow corning company to produce is adhesion promoter.DOW CORNING silane coupling agent is a kind of propyl trimethoxy silicane coupling agent, containing reactive glycidoxy and methoxy group, there is organic and inorganic reaction, can react or " coupling " with organic polymer and mineral surfaces, be applicable to epoxy resin, alkyd, resol, acrylic resin, nylon etc., as sticking power such as glass lacquer, metallic paint, sulphurated siliastics.
The consumption of adhesion promoter, is directly connected to the tack of aqueous glass bottle baking vanish.The present invention studies discovery, when the additive capacity of organo silane coupling agent is less than 0.8%(weight ratio) time, along with the increase of coupling agent additive capacity, paint film adhesion improves constantly; When the additive capacity of coupling agent reaches 0.8% ~ 1.2%(weight ratio) time, along with the increase of coupling agent consumption, the degree that paint film tack is improved is little.When the additive capacity of coupling agent is greater than 1.2%(weight ratio) time, the adhesion property of paint film tends towards stability, and the sticking power being improved film by the consumption increased is meaningless.Consider the impact of above-mentioned factor, the consumption of silane coupling agent in formula for a product of the present invention is 0.8% ~ 1.0%.
The present invention is compared to prior art, and product of the present invention has the following advantages:
(1) product of the present invention has high gloss of film degree, most high gloss can reach 96 ° and (measure by GB/T9754 regulation, 60 °) more than, the water-based bottle colored paint product glossiness solved for a long time existing for aqueous glass bottle paint market is difficult to the technical barrier more than 90 °.
(2) product of the present invention is in resistance to alcohol performance, has got important breakthrough.When carrying out resistance to 99% alcohol performance and detecting, after product paint film experience 72h, wet button does not fall; When carrying out resistance to 70% alcohol performance and detecting, time wet after product paint film experience 3h, opening part is also not easy to deduct.Therefore, the resistance to alcohol performance of this product brilliance can meet the internal standard requirement of vast glass wine bottle paint enterprise.
(3) product of the present invention has excellent recoat performance and outstanding paint film adhesion.Detect the paint film adhesion of this product and recoatability according to standard GB/T/T9286-1998, this product paint film adhesion all can reach 1 grade even 0 grade.
(4) product of the present invention is cross-linked film forming by epoxide modified water soluble acrylic resin and part methyl-etherified terpolycyantoamino-formaldehyde resin, and with the addition of the naphthene sulfonic acid class catalyzer of optimal dose, obtain high crosslinked, a finer and close paint film in the short period of time, the General Promotion water tolerance of paint film, moisture resistance, salt fog resistance and light permanency, the performance requriements of GB/T1733-93 can be reached comprehensively, or meet the internal standard of glass wine bottle paint enterprise, thus impart the advantage that this product paint film has more useful life longevity.
(5) product of the present invention with epoxide modified water soluble acrylic resin for matrix resin, the part methyl-etherified terpolycyantoamino-formaldehyde resin of preferred non-volatile part content more than 98% is linking agent, reduce in Lacquered Tin Plate Can and the consumption of the pungency volatile matter of construction process, reduce the content of product VOC significantly.The TVOC of water-based of the present invention amino glass wine bottle baking vanish product can be controlled in below 106g/L, well below the Limited Doses 250g/L that the environmental protection standard (HJ/T201-2005) that coating industry is the strictest requires, thus advantage highlights the environmental-protecting performance of the amino glass wine bottle paint of water-based.
(6) product of the present invention meets comprehensive requirement of national environmental standard HJ/T20l-2005 " environmental labelling product technical requirements: water-borne coatings ".
Embodiment
A kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish, it is made up of following weight percent composition:
Component 1: epoxide modified water soluble acrylic resin 10% ~ 15%, part methyl-etherified terpolycyantoamino-formaldehyde resin 6.8% ~ 8.5%, water 15% ~ 25%, naphthene sulfonic acid class catalyzer 0.8% ~ 1.0%, flow agent 0.1% ~ 0.5%, thickening material 0.4% ~ 0.8%, mill base 51.6% ~ 66.6%, wherein the weight percent sum of component 1 is absolutely;
Component 2: propyl trimethoxy silicane coupling agent, its consumption is 0.8% ~ 1.0% of component 1 gross weight;
Mill base wherein in component 1 is made up of following weight percent composition:
Epoxide modified water soluble acrylic resin 56% ~ 67%, water 15% ~ 18%, solubility promoter 7% ~ 9%, toner 7% ~ 15%, defoamer 0.1% ~ 0.8%, dispersion agent 0.7% ~ 1.2%, wetting agent 0.1% ~ 0.5%, each weight percentages of components sum is absolutely;
The weight ratio of the epoxide modified water soluble acrylic resin's solid part in component 1 and part methyl-etherified terpolycyantoamino-formaldehyde resin solid part is 3.5 ~ 5.
Epoxide modified water soluble acrylic resin is wherein preferably the epoxide modified water soluble acrylic resin that Sanmu Group Co., Ltd., Jiangsu produces;
Part methyl-etherified terpolycyantoamino-formaldehyde resin is wherein the part methyl-etherified terpolycyantoamino-formaldehyde resin that Qing Te company of the U.S. produces;
Propyl trimethoxy silicane coupling agent is wherein the organo silane coupling agent that Dow corning company produces.
The preparation method of above-mentioned glass wine bottle baking vanish comprises the following steps:
A, prepare mill base: in dispersion cylinder, add epoxide modified water soluble acrylic resin and water, middling speed 600 ~ 800r/min disperses 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, 1000 ~ 1500r/min disperses 25 ~ 35min at a high speed, carry out grinding twice with sand mill to the slurries of high speed dispersion, obtained mill base is for subsequent use;
B, preparation component 1: in dispersion cylinder, add epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water, middling speed 600 ~ 800r/min disperses 15min, slowly add the mill base that flow agent, thickening material and step a are obtained again, 1000 ~ 1500r/min disperses 30 ~ 35min at a high speed, the finish fineness of sampling detected components 1 is less than or equal to 15 μm, viscosity, in 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C scope, more than 200 orders filters and packages, obtains component 1;
C, preparation component 2: take propyl trimethoxy silicane coupling agent, more than 200 orders filter and package and obtain component 2;
D, component 1 and component 2 to be preserved respectively, mix again before use.
Filter and package removal impurity wherein when preparation component 1 and component 2, baking vanish can be made finer and smoother, during use, remix component 1 and component 2 cross unstable for a long time under liquid state fills state in order to avoid component 2 and component 1 and be hydrolyzed.
The application method of above-mentioned glass wine bottle baking vanish is, before coating decoration, the component 2 prepared is joined in the component 1 prepared and is uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 10% ~ 30%, spread after leaving standstill, then, at temperature 150 DEG C ~ 180 DEG C, baking 15 ~ 30min is to dry.
Blending ingredients 1 is because the glass wine bottle baking vanish viscosity mixed is too large with the rear redilution of component 2, is unfavorable for coating, needs dilution, is convenient to be coated with.
Below in conjunction with specific embodiment, the present invention is described further:
Embodiment 1:
Prepare mill base:
Epoxide modified water soluble acrylic resin 67%, water 15%, solubility promoter 9%, toner 7%, defoamer 0.8%, dispersion agent 0.7%, wetting agent 0.5%;
Epoxide modified water soluble acrylic resin and water is added in dispersion cylinder, middling speed 800r/min disperses 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, high speed 1500r/min disperses 25min, and carrying out grinding with sand mill to the slurries of high speed dispersion, to obtain mill base twice for subsequent use;
Preparation component 1:
Epoxide modified water soluble acrylic resin 12%, part methyl-etherified terpolycyantoamino-formaldehyde resin 7.9%, water 18.8%, naphthene sulfonic acid class catalyzer 0.8%, flow agent 0.1%, thickening material 0.4%, mill base 60%;
Epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water is added in dispersion cylinder, middling speed 800r/min disperses 15min, slowly add flow agent, thickening material and obtained mill base again, high speed 1500r/min disperses 30min, the finish fineness of sampling detected components 1 is less than or equal to 15 μm, viscosity, in 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C scope, more than 200 orders filters and packages, obtains component 1 for subsequent use;
Preparation component 2:
Its consumption of propyl trimethoxy silicane coupling agent is 0.8% of component 1 weight,
Take propyl trimethoxy silicane coupling agent, more than 200 orders to filter and package and to obtain component 2 for subsequent use;
Prepare the high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish:
Before coating decoration, the component 2 prepared joined in the component 1 prepared and be uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 15%, spread after leaving standstill 15min, then at temperature 160 DEG C, baking 25min is to dry.
The detected result of embodiment 1 is: TVOC:100g/L, gloss of film: 96 ° (measuring by GB/T9754 regulation, 60 °), buckles when resistance to 99% ethanol 72 hours is wet, and when the ethanol of resistance to 70% 3 hours is wet, opening part is not easily deducted, and sticking power is less than 1 grade.
Embodiment 2:
Prepare mill base:
Epoxide modified water soluble acrylic resin 63.3%, water 16%, solubility promoter 8%, toner 11%, defoamer 0.4%, dispersion agent 1.0%, wetting agent 0.3%;
Epoxide modified water soluble acrylic resin and water is added in dispersion cylinder, middling speed 700r/min disperses 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, high speed 1300r/min disperses 30min, and carrying out grinding with sand mill to the slurries of high speed dispersion, to obtain mill base twice for subsequent use;
Preparation component 1:
Epoxide modified water soluble acrylic resin 13%, part methyl-etherified terpolycyantoamino-formaldehyde resin 7%, water 25%, naphthene sulfonic acid class catalyzer 0.8%, flow agent 0.1%, thickening material 0.5%, mill base 53.6%;
Epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water is added in dispersion cylinder, middling speed 700r/min disperses 15min, slowly add flow agent, thickening material and obtained mill base again, high speed 1300r/min disperses 33min, the finish fineness of sampling detected components 1 is less than or equal to 15 μm, viscosity, in 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C scope, more than 200 orders filters and packages, obtains component 1 for subsequent use;
Preparation component 2:
Its consumption of propyl trimethoxy silicane coupling agent is 0.9% of component 1 weight,
Take propyl trimethoxy silicane coupling agent, more than 200 orders to filter and package and to obtain component 2 for subsequent use;
Prepare the high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish:
Before coating decoration, the component 2 prepared joined in the component 1 prepared and be uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 30%, spread after leaving standstill 15min, then at temperature 180 DEG C, baking 15min is to dry.
The detected result of embodiment 2 is: TVOC:97g/L, gloss of film: 96 ° (measuring by GB/T9754 regulation, 60 °), buckles when resistance to 99% ethanol 72 hours is wet, and when the ethanol of resistance to 70% 3 hours is wet, opening part is not easily deducted, and sticking power is less than 1 grade.
Embodiment 3:
Prepare mill base:
Epoxide modified water soluble acrylic resin 58.6%, water 18%, solubility promoter 7%, toner 15%, defoamer 0.1%, dispersion agent 1.2%, wetting agent 0.1%;
Epoxide modified water soluble acrylic resin and water is added in dispersion cylinder, middling speed 600r/min disperses 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, high speed 1000r/min disperses 35min, and carrying out grinding with sand mill to the slurries of high speed dispersion, to obtain mill base twice for subsequent use;
Preparation component 1:
Epoxide modified water soluble acrylic resin 10%, part methyl-etherified terpolycyantoamino-formaldehyde resin 7.6%, water 15%, naphthene sulfonic acid class catalyzer 0.9%, flow agent 0.15%, thickening material 0.4%, mill base 65.95%;
Epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water is added in dispersion cylinder, middling speed 600r/min disperses 15min, slowly add flow agent, thickening material and obtained mill base again, high speed 1000r/min disperses 35min, the finish fineness of sampling detected components 1 is less than or equal to 15 μm, viscosity, in 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C scope, more than 200 orders filters and packages, obtains component 1 for subsequent use;
Preparation component 2:
Its consumption of propyl trimethoxy silicane coupling agent is 1.0% of component 1 weight,
Take propyl trimethoxy silicane coupling agent, more than 200 orders to filter and package and to obtain component 2 for subsequent use;
Prepare the high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish:
Before coating decoration, the component 2 prepared joined in the component 1 prepared and be uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 15%, spread after leaving standstill 15min, then at temperature 170 DEG C, baking 22min is to dry.
The detected result of embodiment 3 is: TVOC:102g/L, gloss of film: 97 ° (measuring by GB/T9754 regulation, 60 °), buckles when resistance to 99% ethanol 72 hours is wet, and when the ethanol of resistance to 70% 3 hours is wet, opening part is not easily deducted, and sticking power is less than 1 grade.
Embodiment 4:
Prepare mill base:
Epoxide modified water soluble acrylic resin 56%, water 18%, solubility promoter 9%, toner 15%, defoamer 0.5%, dispersion agent 1.1%, wetting agent 0.4%;
Epoxide modified water soluble acrylic resin and water is added in dispersion cylinder, middling speed 600 ~ 800r/min disperses 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, at a high speed 1000 ~ 1500r/min disperses 25 ~ 35min, and carrying out grinding with sand mill to the slurries of high speed dispersion, to obtain mill base twice for subsequent use;
Preparation component 1:
Epoxide modified water soluble acrylic resin 15%, part methyl-etherified terpolycyantoamino-formaldehyde resin 7.5%, water 23.6%, naphthene sulfonic acid class catalyzer 1.0%, flow agent 0.5%, thickening material 0.8%, mill base 51.6%;
Epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water is added in dispersion cylinder, middling speed 600 ~ 800r/min disperses 15min, slowly add flow agent, thickening material and obtained mill base again, 1000 ~ 1500r/min disperses 30 ~ 35min at a high speed, the finish fineness of sampling detected components 1 is less than or equal to 15 μm, viscosity, in 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C scope, more than 200 orders filters and packages, obtains component 1 for subsequent use;
Preparation component 2:
Its consumption of propyl trimethoxy silicane coupling agent is 0.9% of component 1 weight,
Take propyl trimethoxy silicane coupling agent, more than 200 orders to filter and package and to obtain component 2 for subsequent use;
Prepare the high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish:
Before coating decoration, the component 2 prepared joined in the component 1 prepared and be uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 10%, spread after leaving standstill 15min, then at temperature 150 DEG C, baking 30min is to dry.
The detected result of embodiment 4 is: TVOC:96g/L, gloss of film: 98 ° (measuring by GB/T9754 regulation, 60 °), buckles when resistance to 99% ethanol 72 hours is wet, and when the ethanol of resistance to 70% 3 hours is wet, opening part is not easily deducted, and sticking power is less than 1 grade.
Embodiment 5:
Prepare mill base:
Epoxide modified water soluble acrylic resin 63.3%, water 16%, solubility promoter 8%, toner 11%, defoamer 0.4%, dispersion agent 1.0%, wetting agent 0.3%;
Epoxide modified water soluble acrylic resin and water is added in dispersion cylinder, middling speed 600 ~ 800r/min disperses 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, at a high speed 1000 ~ 1500r/min disperses 25 ~ 35min, and carrying out grinding with sand mill to the slurries of high speed dispersion, to obtain mill base twice for subsequent use;
Preparation component 1:
Epoxide modified water soluble acrylic resin 10%, part methyl-etherified terpolycyantoamino-formaldehyde resin 6.8%, water 15.3%, naphthene sulfonic acid class catalyzer 0.8%, flow agent 0.1%, thickening material 0.4%, mill base 66.6%;
Epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water is added in dispersion cylinder, middling speed 600 ~ 800r/min disperses 15min, slowly add flow agent, thickening material and obtained mill base again, 1000 ~ 1500r/min disperses 30 ~ 35min at a high speed, the finish fineness of sampling detected components 1 is less than or equal to 15 μm, viscosity, in 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C scope, more than 200 orders filters and packages, obtains component 1 for subsequent use;
Preparation component 2:
Its consumption of propyl trimethoxy silicane coupling agent is 0.9% of component 1 weight,
Take propyl trimethoxy silicane coupling agent, more than 200 orders to filter and package and to obtain component 2 for subsequent use;
Prepare the high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish:
Before coating decoration, the component 2 prepared joined in the component 1 prepared and be uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 20%, spread after leaving standstill 15min, then at temperature 160 DEG C, baking 25min is to dry.
The detected result of embodiment 5 is: TVOC:98g/L, gloss of film: 95 ° (measuring by GB/T9754 regulation, 60 °), buckles when resistance to 99% ethanol 72 hours is wet, and when the ethanol of resistance to 70% 3 hours is wet, opening part is not easily deducted, and sticking power is less than 1 grade.
Want red baking vanish in the present invention, large red toner can be added, need blue baking vanish, phthalocyanine blue toner can be added, need white baking vanish, titanium toner can be added as toner, certainly, also color as required can add toner, be not limited to the embodiment of the present invention.
Claims (9)
1. the high gloss acrylic-amino of a resistance to ethanol aqueous glass wine bottle baking vanish, is characterized in that composed of the following components by weight percentage:
Component 1:
Wherein each weight percentages of components sum of component 1 is that absolutely the weight ratio of the epoxide modified water soluble acrylic resin's solid part in component 1 and part methyl-etherified terpolycyantoamino-formaldehyde resin solid part is 3.5 ~ 5;
Component 2:
Propyl trimethoxy silicane coupling agent,
Its consumption is 0.8% ~ 1.0% of component 1 gross weight;
Described component 1 and component 2 are preserved respectively, mix before use again.
2. a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish according to claim 1, is characterized in that described mill base is made up of following weight percent composition:
3. a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish according to claim 2, is characterized in that the epoxide modified water soluble acrylic resin that described epoxide modified water soluble acrylic resin produces for Sanmu Group Co., Ltd., Jiangsu.
4. a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish according to claim 2, is characterized in that described part methyl-etherified terpolycyantoamino-formaldehyde resin is the part methyl-etherified terpolycyantoamino-formaldehyde resin that Qing Te company of the U.S. produces.
5. a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish according to claim 2, is characterized in that described propyl trimethoxy silicane coupling agent is the organo silane coupling agent that Dow corning company produces.
6. a preparation method for the high gloss acrylic-amino of the resistance to ethanol aqueous glass wine bottle baking vanish according to any one of claim l-5, is characterized in that comprising following processing step:
A, prepare mill base: in dispersion cylinder, add epoxide modified water soluble acrylic resin and water, middling speed dispersion 15min, slowly add solubility promoter, toner, defoamer, dispersion agent and wetting agent again, high speed dispersion 25 ~ 35min, carry out grinding twice with sand mill to the slurries of high speed dispersion, obtained mill base is for subsequent use;
B, preparation component 1: in dispersion cylinder, add epoxide modified water soluble acrylic resin, part methyl-etherified terpolycyantoamino-formaldehyde resin and water, middling speed dispersion 15min, slowly add the mill base that flow agent, thickening material and step a are obtained again, high speed dispersion 30 ~ 35min, sampling detects finish fineness and viscosity, filter and package, obtain component 1;
C, preparation component 2: take propyl trimethoxy silicane coupling agent, after filtering, namely packaging obtains component 2;
D, component 1 and component 2 to be preserved respectively, mix again before use.
7. the preparation method of a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish according to claim 6, it is characterized in that the middling speed rate of dispersion in described step a and b is 600 ~ 800r/min, high speed dispersion speed is 1000 ~ 1500r/min.
8. the preparation method of a kind of high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish according to claim 6, it is characterized in that fineness≤15 μm of component 1 obtained in described step b, viscosity is 1000mpa.s/25 DEG C ~ 2000mpa.s/25 DEG C.
9. the application of the high gloss acrylic-amino of resistance to ethanol aqueous glass wine bottle baking vanish prepared of method described in a claim 6, it is characterized in that before coating decoration, the component 2 prepared is joined in the component 1 prepared and is uniformly mixed, dilute evenly by component 1 and the water of component 2 gross weight 10% ~ 30%, spread after leaving standstill, then, at temperature 150 DEG C ~ 180 DEG C, baking 15 ~ 30min is to dry.
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| CN111718626A (en) * | 2020-03-30 | 2020-09-29 | 苏州市贝特利高分子材料股份有限公司 | Boiling water resistant glass coating and preparation method thereof |
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| CN104387938B (en) * | 2014-09-06 | 2017-02-01 | 广东华澜浩宇科技创新有限公司 | Preparation method for automobile chassis protection water-based paint |
| CN106221515B (en) * | 2016-08-30 | 2019-08-06 | 广州产协高分子有限公司 | A kind of water paint and preparation method thereof for bottle |
| CN113881296A (en) * | 2021-09-27 | 2022-01-04 | 厦门三德信科技股份有限公司 | High-impact-resistance glass cover plate coating and preparation method and application thereof |
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