CN106047023A - Environment-friendly flame-retardant modified alkyd amino-baking coating and preparation method thereof - Google Patents
Environment-friendly flame-retardant modified alkyd amino-baking coating and preparation method thereof Download PDFInfo
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
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- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/46—Polyesters chemically modified by esterification
- C08G63/48—Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acids; by resin acids
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- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention provides an environment-friendly flame-retardant modified alkyd amino-baking coating and a preparation method thereof. The environment-friendly flame-retardant modified alkyd amino-baking coating comprises the following components: styrene modified alkyd resin, polyethylene glycol modified amino resin, deionized water, N,N-dimethylethanolamine, nanosilicon dioxide, an aqueous monomer, a pH neutralizer, a cosolvent, a wetting dispersant, a defoaming agent, a thickening agent, an emulsifier and a pigment filler. According to the environment-friendly flame-retardant modified alkyd amino-baking coating, the styrene modified alkyd resin and polyethylene glycol modified amino resin are taken as main components of the alkyd amino-baking coating, the hardness of a coating membrane can be increased due to the modified alkyd resin and amino resin, constituting components are reasonable, and deionized water is adopted as a solvent for dilution, so that environmental friendliness is realized, the wear resistance can be improved, and the coating is good in adhesion property, good in ductility, good in high temperature resistance, long in service life and beneficial to body health of operators since spraying is replaced by roller painting in a coating process and the production environment is effectively improved.
Description
Technical field
The present invention relates to a kind of environmental protection flame retardant acid modified alcoholic amino-stoving varnish and preparation method thereof.
Background technology
Baking vanish is divided into two big classes, and a class low temperature baking vanish solidification temperature is 140 DEG C-180 DEG C, and an other class is known as high temperature and bakes
Paint, its solidification temperature is 280 DEG C-400 DEG C.[1]High temperature baking vanish, English full name is Polytetrafluoroetylene, is called for short
Teflon, PTFE, F4 etc..Teflon high-performance special baking vanish is the fluorine baking vanish with politef as matrix resin, English name
It is referred to as Teflon, because pronunciation, is referred to as the most again Teflon, ferrum richness dragon, Teflon, polytetrafluoroethylene etc. and (is all
The transliteration of Teflon).
According to the difference of main component, baking vanish can be divided into again Amino-Polyester baking vanish, alkyd amino-baking coatings, acrylic-amino roasting
Paint, epoxy amino baking vanish, acrylic baking vanish etc..
Wherein, alkyd amino-baking coatings be primarily adapted for use in outdoor metal surface make beautify and decorative and protective paint, such as family property, lamp
Decorations, computer housing, VCD shell, the application of stationery, paint film is tough and tensile, and adhesive force is good, bright in luster, and good decorative property is weather-proof, salt tolerant
Mist, water-tolerant, good physical and mechanical properties.
As used by finish paint application, the hardness of paint film of alkyd amino-baking coatings is an important indicator, hardness of film (paint
Film hardness) it is one of important performance representing paint film mechanical strength.Its physical significance can be regarded as coating surface to work
The resistance showed with object thereon, that another hardness is bigger.Can hold on less contact surface by measuring film
The ability of the resistance to deformation showed during by certain mass load is determined (to include due to collision, collapse or wipe and draw
And the deformability caused).
Along with on market to family property, lamp decoration, computer housing, VCD shell, stationery case hardness require rising, existing,
Hardness of paint film as the alkyd amino-baking coatings of finish paint the most gradually cannot meet use requirement.
Meanwhile, along with economic development, resource and environmental problem have become a pair principal contradiction of sustainable development.
Oil crisis directly results in crude oil price and skyrockets, and the cost of raw material of industrial coating is greatly improved, and quality and the market of price
Competition necessarily causes the survival of the fittest of a part of enterprise.Meanwhile, the discharge of VOC (VOC) is directly to ring
Border brings serious pollution, and the U.S. just promulgated 66 regulations from 1966, the strict discharge limiting VOC.China is from 20th century
Start the eighties to have formulated some environmental regulations the most successively, " planning of coating industry Eleventh Five-Year Development Plan " and " coating industry science and technology
Long-and Medium-term Development is planned " the most clearly propose: following 15 years China will significantly cut down the market share of traditional solvent-borne coating, and water
Property the environment-friendly type coating such as coating, ultraviolet-curing paint, powdery paints, solventless coatings and high solid coating will be following work
The main development direction of industry coating.
And the preparation of existing alkyd amino-baking coatings, mostly using organic solvent as diluent, the use of too much organic solvent,
Surrounding enviroment can be brought adverse effect.
Currently, with respect to alkyd amino-baking coatings, domestic it is primarily present following patent documentation:
Patent publication No.: CN105385317A, discloses a kind of steel drum aqueous alkide resin baking vanish, and its raw material is by weight
Part includes: aqueous alkide resin 20-35 part, aqueous methyl-etherified amino resins 10-20 part, Polyamide-Polyamsne-Epichlorohydrin 5-15
Part, aqueous epoxy emulsion 5-12 part, styrene 2-5 part, VTES 0.5-3.5 part, N, N-dimethyl ethanol
Amine 1-2 part, monoethanolamine 1-3 part, benzyl alcohol 2-8 part, 2501 modified silane glue 1-3 parts, iron oxide red 1-3 part, tripolyphosphate
Aluminum 2-5 part, nano silicon 15-30 part, nano-glass microballon 10-20 part, calcium carbonate 2-8 part, emulsifying agent 1-2 part, dispersion
Agent 1-2 part, defoamer 1-2 part, levelling agent 1-2 part, antifungus agent 1-3 part, aqueous drier 2-3 part, water 25-45 part.The present invention
Adhesive force is high, and Impact-resistant flexible is good, excellent anti-corrosion performance, and glossiness is high.But, the baking vanish that this patent is provided, it is main
Wanting composition is aqueous alkide resin and this monomer resin of aqueous methyl-etherified amino resins, the simply superposition of simple functions, with existing
It is made up of similar resin, although use water-base resin environmentally friendly, but hardness of paint film be there is no and significantly improve.
Additionally, the coating method of existing baking vanish uses spraying mostly, spraying is by spray gun or dish-style nebulizer, by means of
Pressure or centrifugal force, be dispersed into uniform and fine droplet, is applied over the coating process on coated article surface.Mainly asking in spraying
Topic is the coating cloud of high degree of dispersion and the solvent (i.e. volatile organic contaminant, VOCs) evaporated, and had both polluted environment, and had been unfavorable for
Health, wastes again baking vanish, causes economic loss.Volatilization, the baking vanish being diffused in air, then form volatility organic contamination
Thing, is detrimental to health.At painting workshop, baking vanish as the main source of volatile organic contaminant, air in painting workshop
Be easy to during middle VOC excessive concentration to cause acute poisoning, the lighter there will be headache, dizziness, cough, feel sick,
Vomit or in dead drunk liquor-saturated shape；Severe one there will be liver poisoning and the most quickly goes into a coma, and have there may also be life danger.Stay in for a long time and wave
Send out in the painting workshop of property orgnic compound pollution, can cause chronic poisoning, infringement liver and nervous system, cause whole body without
Power, drowsiness, skin pruritus etc..Being also possible to of having causes endocrine disturbance, affects sexual function；Benzene and dimethylbenzene can also damage system
System, so that causing leukemia.
Summary of the invention
For solving the problem of above-mentioned existence, it is an object of the invention to provide a kind of environmental protection flame retardant acid modified alcoholic amino and bake
Paint, described baking vanish using styrenated alkyd and poly ethyldiol modified amino resins as alkyd amino-baking coatings main become
Point, modified alkyd resin and amino resins can effectively promote hardness of paint film, and constituent is reasonable in design, with deionized water is
Solvent is diluted environmentally friendly, improves anti-wear performance, and adhesive force is strong, ductility is good, high temperature resistant, service life is long, is coated with
Using roller coat to replace spraying when covering, be effectively improved production environment, beneficially workman is healthy.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of environmental protection flame retardant acid modified alcoholic amino-stoving varnish, described baking vanish includes the composition of following weight portion: phenylethene modified
Alkyd resin: 40～60 parts, poly ethyldiol modified amino resins: 10～20 parts, deionized water: 30～50 parts, N, N-dimethyl
Ethanolamine: 5～10 parts, nano silicon: 10～15 parts, aqueous monomers: 10～20 parts, pH nertralizer: 5～10 parts, hydrotropy
Agent: 1～5 part, wetting dispersing agent: 0.1～0.5 part, defoamer: 1～5 part, thickening agent: 0.5～1 part, emulsifying agent: 0.1～1
Part, color stuffing: 1～5 part.
Further, described baking vanish includes the composition of following weight portion: styrenated alkyd: 50～60 parts, poly-
Glycol-modified amino resins: 15～20 parts, deionized water: 30～40 parts, N, N-dimethylethanolamine: 5～8 parts, nanometer two
Silicon oxide: 12～15 parts, aqueous monomers: 10～15 parts, pH nertralizer: 7～10 parts, cosolvent: 1～3 part, wetting dispersing agent:
0.2～0.5 part, defoamer: 3～5 parts, thickening agent: 0.5～0.8 part, emulsifying agent: 0.5～1 part, color stuffing: 3～5 parts.
Preferably, described baking vanish includes the composition of following weight portion: styrenated alkyd: 50 parts, Polyethylene Glycol
Modified aminoresin: 15 parts, deionized water: 40 parts, N, N-dimethylethanolamine: 8 parts, nano silicon: 13 parts, aqueous list
Body: 15 parts, pH nertralizer: 7 parts, cosolvent: 2 parts, wetting dispersing agent: 0.3 part, defoamer: 4 parts, thickening agent: 0.8 part, emulsifying
Agent: 0.5 part, color stuffing: 4 parts.
Separately, the preparation method of described styrenated alkyd comprise the steps: by 20～30 parts of behenic acids, 10～
20 parts of tetramethylolmethanes, 10～15 parts of phthalic anhydrides, 1～5 part of dimethylbenzene and 30～40 parts of tartaric acid add reactor, are passed through
Protective gas, is warming up to 130～140 DEG C, stirring, after insulation 2～4h, is sequentially added into 20～30 parts of styrene, 1～5 part of peroxide
Change benzamide, after insulation 1～1.5h, be cooled to 70～75 DEG C, add the 200# solvent naphtha of 20～30 parts, obtain described styrene
Modified alkyd resin.
Separately having, described poly ethyldiol modified amino resins preparation method comprises the steps: to take 20～30 parts of Lauxites,
Regulation pH value, to 9～10, is heated to 65～70 DEG C, adds 3～6 parts of tripolycyanamide, and holding pH value is 9～10, be warming up to 80～
90 DEG C, react 1～2 hour, add 1～3 part of Polyethylene Glycol, at 80～90 DEG C, react 3～5 hours, steam at 75～80 DEG C
Evaporate 1～3 hour, be dried, cool down, obtain described poly ethyldiol modified amino resins.
Again, described emulsifying agent is ethyoxyl 2, 2-Oxydiphenol ammonium sulfate, NPE or allyl ether hydroxypropyl sulfonic acid
Sodium.
Further, described pH nertralizer is selected from triethylamine, 2-amino-2-methyl-1-propanol, triethanolamine, diethanolamine, N,
One or more in N-dimethylethanolamine, ammonia.
And, described cosolvent is selected from isopropanol, sec-butyl alcohol, normal propyl alcohol, butyl glycol ether, propylene glycol monomethyl ether, propylene glycol third
Ether, dipropylene glycol methyl ether, n-butyl alcohol, ethylene glycol monomethyl ether, propandiol butyl ether, diethylene glycol dimethyl ether, propylene glycol methyl ether acetate, two
One or more in propandiol butyl ether, glycol methyl ether acetate.
Separately, described aqueous monomers is dihydromethyl propionic acid, trimellitic anhydride, dimethylolpropionic acid, M-phthalic acid-5-sulphur
Acid sodium, p-phthalic acid-2-sodium sulfonate, p-phthalic acid-2-Sulfonic Lithium or a carboxyl benzene sulfonate.
Meanwhile, the present invention also provides for the preparation method of a kind of environmental protection flame retardant acid modified alcoholic amino-stoving varnish, comprises the steps:
1) master grind
20～30 parts of Nano-meter SiO_2 are added in dispersion machine2Modified unsaturated polyester resin, 0.5～2 part of cosolvent, 10～
20 parts of deionized waters, pH nertralizer, wetting dispersing agent and defoamer, be uniformly dispersed with the rotating speed of 500～800r/min, point
Dissipate the time 5～10min, add color stuffing, grinding temperature 40～50 DEG C, grind 3～6min, until fineness is 10～20 μm, mistake
Filter to obtain mill base, standby；
2) mixing paint:
Take 20～30 parts of Nano-meter SiO_22Modified unsaturated polyester resin, poly ethyldiol modified amino resins, 0.5～3 part help
Solvent, 20～30 parts of deionized waters, N, N-dimethylethanolamine, nano silicon, emulsifying agent and thickening agent, 500～
Disperse under the rotating speed of 600r/min, disperse 3～5min, after being uniformly dispersed, add step 1) gained mill base, regulation pH value is extremely
7～8；Filter with 80～120 mesh filter screens, packaging, i.e. obtain described environmental protection flame retardant acid modified alcoholic amino-stoving varnish.
The beneficial effects of the present invention is:
Described baking vanish is using styrenated alkyd and poly ethyldiol modified amino resins as alkyd amino-baking coatings
Main component, modified alkyd resin and amino resins can effectively promote hardness of paint film, and constituent is reasonable in design, with go from
It is environmentally friendly that sub-water is that solvent is diluted, and improves anti-wear performance, and adhesive force is strong, ductility is good, high temperature resistant, service life
Long, use roller coat to replace spraying during coating, be effectively improved production environment, beneficially workman is healthy.
Hardness Barcol improves 20～30%, and heat distortion temperature improves 20～30%, and impact strength promotes 70～80%,
Modified alkyd resin and amino resins can effectively promote hardness of paint film, and constituent is reasonable in design, environmentally friendly, improve
Anti-wear performance, has higher thermostability, adhesive force, moisture resistance and insulating properties, and has the performances such as chemically-resistant gas attack, coating
Shi Caiyong roller coat replaces spraying, is effectively improved production environment, and beneficially workman is healthy.
The roller coating technology replacement spraying coating process that roller coat molding is quick-drying, during application, the availability of baking vanish can reach more than 90%,
Decrease the volatilization in air and waste, effectively reduce the VOCs, VOCs in roller coat workshop causing baking vanish volatilization to be formed because of spraying
Discharge capacity≤420ppm, baking vanish environment protecting is good.
Detailed description of the invention
Below by specific embodiment, the present invention is described further, but embodiment is not limiting as the protection of the present invention
Scope.
The present invention provides a kind of environmental protection flame retardant acid modified alcoholic amino-stoving varnish, and described baking vanish includes the composition of following weight portion:
Styrenated alkyd: 40～60 parts, poly ethyldiol modified amino resins: 10～20 parts, deionized water: 30～50 parts,
N, N-dimethylethanolamine: 5～10 parts, nano silicon: 10～15 parts, aqueous monomers: 10～20 parts, pH nertralizer: 5～
10 parts, cosolvent: 1～5 part, wetting dispersing agent: 0.1～0.5 part, defoamer: 1～5 part, thickening agent: 0.5～1 part, emulsifying
Agent: 0.1～1 part, color stuffing: 1～5 part.
Further, described baking vanish includes the composition of following weight portion: styrenated alkyd: 50～60 parts, poly-
Glycol-modified amino resins: 15～20 parts, deionized water: 30～40 parts, N, N-dimethylethanolamine: 5～8 parts, nanometer two
Silicon oxide: 12～15 parts, aqueous monomers: 10～15 parts, pH nertralizer: 7～10 parts, cosolvent: 1～3 part, wetting dispersing agent:
0.2～0.5 part, defoamer: 3～5 parts, thickening agent: 0.5～0.8 part, emulsifying agent: 0.5～1 part, color stuffing: 3～5 parts.
Preferably, described baking vanish includes the composition of following weight portion: styrenated alkyd: 50 parts, Polyethylene Glycol
Modified aminoresin: 15 parts, deionized water: 40 parts, N, N-dimethylethanolamine: 8 parts, nano silicon: 13 parts, aqueous list
Body: 15 parts, pH nertralizer: 7 parts, cosolvent: 2 parts, wetting dispersing agent: 0.3 part, defoamer: 4 parts, thickening agent: 0.8 part, emulsifying
Agent: 0.5 part, color stuffing: 4 parts.
Separately, the preparation method of described styrenated alkyd comprise the steps: by 20～30 parts of behenic acids, 10～
20 parts of tetramethylolmethanes, 10～15 parts of phthalic anhydrides, 1～5 part of dimethylbenzene and 30～40 parts of tartaric acid add reactor, are passed through
Protective gas, is warming up to 130～140 DEG C, stirring, after insulation 2～4h, is sequentially added into 20～30 parts of styrene, 1～5 part of peroxide
Change benzamide, after insulation 1～1.5h, be cooled to 70～75 DEG C, add the 200# solvent naphtha of 20～30 parts, obtain described styrene
Modified alkyd resin.
Separately having, described poly ethyldiol modified amino resins preparation method comprises the steps: to take 20～30 parts of Lauxites,
Regulation pH value, to 9～10, is heated to 65～70 DEG C, adds 3～6 parts of tripolycyanamide, and holding pH value is 9～10, be warming up to 80～
90 DEG C, react 1～2 hour, add 1～3 part of Polyethylene Glycol, at 80～90 DEG C, react 3～5 hours, steam at 75～80 DEG C
Evaporate 1～3 hour, be dried, cool down, obtain described poly ethyldiol modified amino resins.
Again, described emulsifying agent is ethyoxyl 2, 2-Oxydiphenol ammonium sulfate, NPE or allyl ether hydroxypropyl sulfonic acid
Sodium.
Further, described pH nertralizer is selected from triethylamine, 2-amino-2-methyl-1-propanol, triethanolamine, diethanolamine, N,
One or more in N-dimethylethanolamine, ammonia.
And, described cosolvent is selected from isopropanol, sec-butyl alcohol, normal propyl alcohol, butyl glycol ether, propylene glycol monomethyl ether, propylene glycol third
Ether, dipropylene glycol methyl ether, n-butyl alcohol, ethylene glycol monomethyl ether, propandiol butyl ether, diethylene glycol dimethyl ether, propylene glycol methyl ether acetate, two
One or more in propandiol butyl ether, glycol methyl ether acetate.
Separately, described aqueous monomers is dihydromethyl propionic acid, trimellitic anhydride, dimethylolpropionic acid, M-phthalic acid-5-sulphur
Acid sodium, p-phthalic acid-2-sodium sulfonate, p-phthalic acid-2-Sulfonic Lithium or a carboxyl benzene sulfonate.
Meanwhile, the present invention also provides for the preparation method of a kind of environmental protection flame retardant acid modified alcoholic amino-stoving varnish, comprises the steps:
1) master grind
20～30 parts of Nano-meter SiO_2 are added in dispersion machine2Modified unsaturated polyester resin, 0.5～2 part of cosolvent, 10～
20 parts of deionized waters, pH nertralizer, wetting dispersing agent and defoamer, be uniformly dispersed with the rotating speed of 500～800r/min, point
Dissipate the time 5～10min, add color stuffing, grinding temperature 40～50 DEG C, grind 3～6min, until fineness is 10～20 μm, mistake
Filter to obtain mill base, standby；
2) mixing paint:
Take 20～30 parts of Nano-meter SiO_22Modified unsaturated polyester resin, poly ethyldiol modified amino resins, 0.5～3 part help
Solvent, 20～30 parts of deionized waters, N, N-dimethylethanolamine, nano silicon, emulsifying agent and thickening agent, 500～
Disperse under the rotating speed of 600r/min, disperse 3～5min, after being uniformly dispersed, add step 1) gained mill base, regulation pH value is extremely
7～8；Filter with 80～120 mesh filter screens, packaging, i.e. obtain described environmental protection flame retardant acid modified alcoholic amino-stoving varnish.
Wherein, table 1 is environmental protection flame retardant acid modified alcoholic amino-stoving varnish ingredient lists a kind of described in various embodiments of the present invention.Table 2
For the composition of poly ethyldiol modified amino resins in environmental protection flame retardant acid modified alcoholic amino-stoving varnish a kind of described in various embodiments of the present invention
List.Table 3 is styrenated alkyd in environmental protection flame retardant acid modified alcoholic amino-stoving varnish a kind of described in various embodiments of the present invention
Ingredient lists.Table 4 is environmental protection flame retardant acid modified alcoholic amino-stoving varnish performance parameter list a kind of described in various embodiments of the present invention.
Table 1 (unit: weight portion)
Table 2 (unit: weight is divided)
Table 3 (unit: weight is divided)
Table 4
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish a kind of described in the embodiment of the present invention is coated by roll coating model, 200
At DEG C after solidification, it is cooled to room temperature, places 48 hours, measure slab face coat performance as shown in table 4.Wherein, resistance to impact
Energy method of testing is with reference to the method measuring paint film impact resistance of standard GB/T/T1732-93 regulation, with fixed mass
(1kg) weight falls within the maximum height (cm) not causing paint film to destroy on test plate (panel) and represents paint film impact resistance.
Using a kind of environmental protection flame retardant acid modified alcoholic amino-stoving varnish provided by the present invention, the curved performance of T is up to 1T.Baking vanish utilizes
Rate is high, and every 30 kilograms of baking vanish can 1 ton of slab of application.Do not ftracture under 230 DEG C of high temperature, invariant color, ageing resistance is strong, is placed on
Outdoor consecutive sunlight 10～not yellowing, invariant color in 15 years.Acidproof corrosion resistance is strong, and the product that roller coat is good is put into 85 DEG C of water
Boil that 2H is raw is progressively heated at 100 DEG C again, product without variable color, fall paint, bubble.At normal temperatures with after Nad solution soaking 24H of 5%,
Product surface non-corroding, variable color and coating come off.Pure cotton cloth is dipped in full 95% ethanol and wraps on 500g counterweight, with 40-per minute
The stroke of speed (20mm) left and right of 60 times wipes 50 circulations at product surface, without fading removing oil.After drying varniss, use 6H
Pencil draws 3CM length with the strength of pressure at right angle 1 kilogram, 45 ° of oblique angles at paint film, and 5 times, paint film does not has cut, and hardness of paint film is high
Reach 6H.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted.Although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent, and without deviating from the scope of technical solution of the present invention, it all should contain the power in the present invention
In profit claimed range.
Claims (10)
1. an environmental protection flame retardant acid modified alcoholic amino-stoving varnish, it is characterised in that described baking vanish includes the composition of following weight portion:
Styrenated alkyd: 40 ~ 60 parts, poly ethyldiol modified amino resins: 10 ~ 20 parts, deionized water: 30 ~ 50 parts,
N, N-dimethylethanolamine: 5 ~ 10 parts, nano silicon: 10 ~ 15 parts, aqueous monomers: 10 ~ 20 parts, pH nertralizer: 5 ~ 10
Part, cosolvent: 1 ~ 5 part, wetting dispersing agent: 0.1 ~ 0.5 part, defoamer: 1 ~ 5 part, thickening agent: 0.5 ~ 1 part, emulsifying agent: 0.1 ~ 1
Part, color stuffing: 1 ~ 5 part.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described baking vanish includes as follows
The composition of weight portion: styrenated alkyd: 50 ~ 60 parts, poly ethyldiol modified amino resins: 15 ~ 20 parts, deionization
Water: 30 ~ 40 parts, N, N-dimethylethanolamine: 5 ~ 8 parts, nano silicon: 12 ~ 15 parts, aqueous monomers: 10 ~ 15 parts, in pH
Mediating recipe: 7 ~ 10 parts, cosolvent: 1 ~ 3 part, wetting dispersing agent: 0.2 ~ 0.5 part, defoamer: 3 ~ 5 parts, thickening agent: 0.5 ~ 0.8 part,
Emulsifying agent: 0.5 ~ 1 part, color stuffing: 3 ~ 5 parts.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described baking vanish includes as follows
The composition of weight portion: styrenated alkyd: 50 parts, poly ethyldiol modified amino resins: 15 parts, deionized water: 40 parts,
N, N-dimethylethanolamine: 8 parts, nano silicon: 13 parts, aqueous monomers: 15 parts, pH nertralizer: 7 parts, cosolvent: 2 parts,
Wetting dispersing agent: 0.3 part, defoamer: 4 parts, thickening agent: 0.8 part, emulsifying agent: 0.5 part, color stuffing: 4 parts.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described phenylethene modified alcohol
The preparation method of acid resin comprises the steps: 20 ~ 30 parts of behenic acids, 10 ~ 20 parts of tetramethylolmethanes, 10 ~ 15 parts of O-phthalics
Anhydride, 1 ~ 5 part of dimethylbenzene and 30 ~ 40 parts of tartaric acid add reactor, are passed through protective gas, are warming up to 130 ~ 140 DEG C, stirring,
After insulation 2 ~ 4h, it is sequentially added into 20 ~ 30 parts of styrene, 1 ~ 5 part of benzoyl peroxide amide, after insulation 1 ~ 1.5h, is cooled to 70 ~ 75
DEG C, add the 200# solvent naphtha of 20 ~ 30 parts, obtain described styrenated alkyd.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described poly ethyldiol modified
Amino resins preparation method comprises the steps: to take 20 ~ 30 parts of Lauxites, and regulation pH value, to 9 ~ 10, is heated to 65 ~ 70 DEG C,
Adding 3 ~ 6 parts of tripolycyanamide, keeping pH value is 9 ~ 10, is warming up to 80 ~ 90 DEG C, reacts 1 ~ 2 hour, adds 1 ~ 3 part of Polyethylene Glycol,
At 80 ~ 90 DEG C, react 3 ~ 5 hours, distill 1 ~ 3 hour at 75 ~ 80 DEG C, be dried, cool down, obtain described poly ethyldiol modified ammonia
Base resin.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described emulsifying agent is ethoxy
Base 2, 2-Oxydiphenol ammonium sulfate, NPE or allyl ether hydroxypropyl azochlorosulfonate acid sodium.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described pH nertralizer is selected from
Triethylamine, 2-amino-2-methyl-1-propanol, triethanolamine, diethanolamine, N, one in N-dimethylethanolamine, ammonia or
Several.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described cosolvent is selected from different
Propanol, sec-butyl alcohol, normal propyl alcohol, butyl glycol ether, propylene glycol monomethyl ether, propylene glycol propyl ether, dipropylene glycol methyl ether, n-butyl alcohol, second two
Alcohol methyl ether, propandiol butyl ether, diethylene glycol dimethyl ether, propylene glycol methyl ether acetate, dipropylene, glycol methyl ether acetate
In one or more.
Environmental protection flame retardant acid modified alcoholic amino-stoving varnish the most according to claim 1, it is characterised in that described aqueous monomers is two
Hydroxymethyl propionic acid, trimellitic anhydride, dimethylolpropionic acid, 5-sodium sulfo isophthalate, p-phthalic acid-2-sodium sulfonate, right
Phthalic acid-2-Sulfonic Lithium or a carboxyl benzene sulfonate.
10. according to a preparation method for the environmental protection flame retardant acid modified alcoholic amino-stoving varnish according to any one of claim 1 ~ 9, its
It is characterised by, comprises the steps:
1) master grind
20 ~ 30 parts of Nano-meter SiO_2 are added in dispersion machine2Modified unsaturated polyester resin, 0.5 ~ 2 part of cosolvent, 10 ~ 20 parts go from
Sub-water, pH nertralizer, wetting dispersing agent and defoamer, be uniformly dispersed with the rotating speed of 500 ~ 800r/min, and jitter time 5 ~
10min, adds color stuffing, grinding temperature 40 ~ 50 DEG C, grinds 3 ~ 6min, until fineness is 10 ~ 20 μm, filter to obtain mill base, standby
With；
2) mixing paint:
Take 20 ~ 30 parts of Nano-meter SiO_22Modified unsaturated polyester resin, poly ethyldiol modified amino resins, 0.5 ~ 3 part of cosolvent, 20 ~
30 parts of deionized waters, N, N-dimethylethanolamine, nano silicon, emulsifying agent and thickening agent, turning at 500 ~ 600r/min
Disperse under speed, disperse 3 ~ 5min, after being uniformly dispersed, add step 1) gained mill base, regulation pH value is to 7 ~ 8；With 80 ~ 120
Mesh filter screen filters, packaging, i.e. obtains described environmental protection flame retardant acid modified alcoholic amino-stoving varnish.
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| CN201610504751.6A CN106047023A (en) | 2016-07-01 | 2016-07-01 | Environment-friendly flame-retardant modified alkyd amino-baking coating and preparation method thereof |
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| CN201610504751.6A CN106047023A (en) | 2016-07-01 | 2016-07-01 | Environment-friendly flame-retardant modified alkyd amino-baking coating and preparation method thereof |
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| CN112175492A (en) * | 2020-10-17 | 2021-01-05 | 温州国微科技有限公司 | Motorcycle pedal and processing technology thereof |
| CN113736349A (en) * | 2021-09-14 | 2021-12-03 | 安徽华辉塑业科技股份有限公司 | Corrosion-resistant epoxy resin coating and preparation method thereof |
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Application publication date: 20161026 |