CN110054981A - Aqueous oxidation magnesium-dope of one kind and preparation method thereof - Google Patents

Aqueous oxidation magnesium-dope of one kind and preparation method thereof Download PDF

Info

Publication number
CN110054981A
CN110054981A CN201910170106.9A CN201910170106A CN110054981A CN 110054981 A CN110054981 A CN 110054981A CN 201910170106 A CN201910170106 A CN 201910170106A CN 110054981 A CN110054981 A CN 110054981A
Authority
CN
China
Prior art keywords
added
epoxy resin
dope
triethylamine
aqueous polyurethane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910170106.9A
Other languages
Chinese (zh)
Inventor
廖勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Xinyi New Materials Technology Co Ltd
Original Assignee
Chongqing Xinyi New Materials Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Xinyi New Materials Technology Co Ltd filed Critical Chongqing Xinyi New Materials Technology Co Ltd
Priority to CN201910170106.9A priority Critical patent/CN110054981A/en
Publication of CN110054981A publication Critical patent/CN110054981A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224—Magnesium hydroxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

The invention discloses a kind of anti-scratch function admirable, gloss retention is up to 97% or more, aqueous oxidation magnesium-dope and preparation method thereof.Aqueous oxidation magnesium-dope, by with epoxy resin modified aqueous polyurethane 40-50%, alkyd resin 1-5%, urethane acrylate 5-10%, 1,2- dimethoxy-ethane 3-5%, nanometer titanium dioxide 1-5%, nano-sized magnesium hydroxide 5-15%, barium sulfate 2.5-4.5%, silica 1-3%, aluminium hydroxide 1-5%, triethylamine 5-10%, thickener 1-5%, deionized water 20-30% composition；So that the anti-scratch function admirable of coating, while gloss retention is up to 97% or more.

Description

Aqueous oxidation magnesium-dope of one kind and preparation method thereof
Technical field
The invention belongs to paint fields, and in particular to a kind of anti-scratch function admirable, gloss retention is up to 97% or more, water Property oxidation magnesium-dope and preparation method thereof.
Background technique
Automobile is in the process of moving vulnerable to the shock of road stone, the friction of branch railing, and in the rainy day or does the wash Impurities in water washes away when vehicle body, these all can cause certain injury on vehicle body and influence the beauty of body of a motor car, therefore vapour Vehicle vehicle body needs brushing paint, and the coating of wear-resisting scratch-resisting especially needs.
Current car paint both domestic and external is main or based on solvent based coating, there is a large amount of volatility in these systems Machine compound can not only cause environment seriously to pollute, and can also cause harm to the human body, at the same evaporate into air these have Machine compound is also a kind of serious waste to resource.Car paint hydrotropism, high solid and powdery paints direction are developed Trend of the times.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of anti-scratch function admirable, gloss retention up to 97% with On, aqueous oxidation magnesium-dope.
To solve the above problems, the technical scheme is that, a kind of aqueous oxidation magnesium-dope, by component below and again Measure percentage composition: epoxy resin modified aqueous polyurethane 40-50%, alkyd resin 1-5%, urethane acrylate 5- 10%, 1,2- dimethoxy-ethane 3-5%, nanometer titanium dioxide 1-5%, nano-sized magnesium hydroxide 5-15%, barium sulfate 2.5- 4.5%, silica 1-3%, aluminium hydroxide 1-5%, triethylamine 5-10%, thickener 1-5%, deionized water 20-30%；
The epoxy resin modified aqueous polyurethane is prepared by following methods: reflux condensing tube, blender and temperature are being housed Spend in the four-hole boiling flask of meter, be added a certain amount of toluene di-isocyanate(TDI) and it is dehydrated after polyethers, be warming up to 75-80 DEG C it is anti- After answering 2-3h, be cooled to 70-75 DEG C, chain extender 1,4-butanediol be added, react 60-90min, be then added epoxy resin and Dihydromethyl propionic acid is dissolved in N-Methyl pyrrolidone, reacts 2.5-3.5h at 65-70 DEG C, and add the suitable acetone of people with Control the viscosity of reaction system；Hydroxypropyl acrylate, hydroquinone, tert-butyl catechol is added, is reacted at 60-65 DEG C； Then it is cooled to 40 DEG C, is added after triethylamine neutralizes, quickly stirring is dispersed in distilled water, with ethylenediamine chain extension, finally By acetone be evaporated under reduced pressure away to get.
A kind of preparation method of aqueous oxidation magnesium-dope, comprising the following steps:
S1: the preparation of epoxy resin modified aqueous polyurethane: in four mouthfuls of burnings equipped with reflux condensing tube, blender and thermometer Bottle in, be added a certain amount of toluene di-isocyanate(TDI) and it is dehydrated after polyethers, after being warming up to 75-80 DEG C of reaction 2-3h, cool down To 70-75 DEG C, chain extender 1,4-butanediol is added, reacts 60-90min, epoxy resin is then added and is dissolved in N- methylpyrrole Dihydromethyl propionic acid in alkanone reacts 2.5-3.5h at 65-70 DEG C, and adds the suitable acetone of people to control reaction system Viscosity；Hydroxypropyl acrylate, hydroquinone, tert-butyl catechol is added, is reacted at 60-65 DEG C；Then 40 are cooled to DEG C, after triethylamine neutralization is added, quickly stirring is dispersed in distilled water, with ethylenediamine chain extension, is finally depressurized acetone and is steamed Distillate to get；
S2: by the above-mentioned epoxy resin modified aqueous polyurethane and alkyd resin being prepared, urethane acrylate and 1,2- Dimethoxy-ethane mixing, is stirring evenly and then adding into hydroxyethyl cellulose, 1200-1500r/min high-speed stirred 30min obtains A Liquid；
S3: nanometer titanium dioxide, nano-sized magnesium hydroxide, barium sulfate, silica and aluminium-hydroxide powder mixing stir evenly Afterwards plus triethylamine and water, 1200-1500r/min high-speed stirred 30min obtain B liquid；
S4: A liquid and B liquid are mixed, 1000r/min stir 1h to get.
Beneficial effects of the present invention: aqueous oxidation magnesium-dope, by with epoxy resin modified aqueous polyurethane 40-50%, alcohol Acid resin 1-5%, urethane acrylate 5-10%, 1,2- dimethoxy-ethane 3-5%, nanometer titanium dioxide 1-5%, nanometer Magnesium hydroxide 5-15%, barium sulfate 2.5-4.5%, silica 1-3%, aluminium hydroxide 1-5%, triethylamine 5-10%, thickening Agent 1-5%, deionized water 20-30% composition；So that the anti-scratch function admirable of coating, at the same gloss retention up to 97% with On.
Specific embodiment
The invention will be further elaborated for specific embodiment below.
A kind of aqueous oxidation magnesium-dope, the aqueous automobile paint are made of component below and weight percent: asphalt mixtures modified by epoxy resin Rouge modified aqueous polyurethane 40-50%, alkyd resin 1-5%, urethane acrylate 5-10%, 1,2- dimethoxy-ethane 3-5%, nanometer titanium dioxide 1-5%, nano-sized magnesium hydroxide 5-15%, barium sulfate 2.5-4.5%, silica 1-3%, hydrogen-oxygen Change aluminium 1-5%, triethylamine 5-10%, thickener 1-5%, deionized water 20-30%；
The epoxy resin modified aqueous polyurethane is prepared by following methods: reflux condensing tube, blender and temperature are being housed Spend in the four-hole boiling flask of meter, be added a certain amount of toluene di-isocyanate(TDI) and it is dehydrated after polyethers, be warming up to 75-80 DEG C it is anti- After answering 2-3h, be cooled to 70-75 DEG C, chain extender 1,4-butanediol be added, react 60-90min, be then added epoxy resin and Dihydromethyl propionic acid is dissolved in N-Methyl pyrrolidone, reacts 2.5-3.5h at 65-70 DEG C, and add the suitable acetone of people with Control the viscosity of reaction system；Hydroxypropyl acrylate, hydroquinone, tert-butyl catechol is added, is reacted at 60-65 DEG C； Then it is cooled to 40 DEG C, is added after triethylamine neutralizes, quickly stirring is dispersed in distilled water, with ethylenediamine chain extension, finally By acetone be evaporated under reduced pressure away to get.
The aqueous oxidation magnesium-dope is made of component below and weight percent: epoxy resin modified aqueous poly- ammonia Ester 45%, alkyd resin 3%, urethane acrylate 6%, 1,2- dimethoxy-ethane 3.5%, nanometer titanium dioxide 2.5%, Nano-sized magnesium hydroxide 8%, barium sulfate 3.5%, silica 2%, aluminium hydroxide 2%, triethylamine 3.5%, hydroxyethyl cellulose 4%, deionized water 17%.
The present invention use epoxy resin modified aqueous polyurethane, alkyd resin, urethane acrylate is base-material, with go from Sub- water is solvent；Invention technician has found that three kinds of base-materials only mix according to a certain ratio, and three could act synergistically, The scratch resistance of common enhancing coating paint film.
The preparation method of the aqueous oxidation magnesium-dope of the present invention, comprising the following steps:
S1: the preparation of epoxy resin modified aqueous polyurethane: in four mouthfuls of burnings equipped with reflux condensing tube, blender and thermometer Bottle in, be added a certain amount of toluene di-isocyanate(TDI) and it is dehydrated after polyethers, after being warming up to 75-80 DEG C of reaction 2-3h, cool down To 70-75 DEG C, chain extender 1,4-butanediol is added, reacts 60-90min, epoxy resin is then added and is dissolved in N- methylpyrrole Dihydromethyl propionic acid in alkanone reacts 2.5-3.5h at 65-70 DEG C, and adds the suitable acetone of people to control reaction system Viscosity；Hydroxypropyl acrylate, hydroquinone, tert-butyl catechol is added, is reacted at 60-65 DEG C；Then 40 are cooled to DEG C, after triethylamine neutralization is added, quickly stirring is dispersed in distilled water, with ethylenediamine chain extension, is finally depressurized acetone and is steamed Distillate to get；
S2: by the above-mentioned epoxy resin modified aqueous polyurethane and alkyd resin being prepared, urethane acrylate and 1,2- Dimethoxy-ethane mixing, is stirring evenly and then adding into hydroxyethyl cellulose, 1200-1500r/min high-speed stirred 30min obtains A Liquid；
S3: nanometer titanium dioxide, nano-sized magnesium hydroxide, barium sulfate, silica and aluminium-hydroxide powder mixing stir evenly Afterwards plus triethylamine and water, 1200-1500r/min high-speed stirred 30min obtain B liquid；
S4: A liquid and B liquid are mixed, 1000r/min stir 1h to get.
In the preparation process of the epoxy resin modified aqueous polyurethane, the additive amount of epoxy resin is 6.5%, third Olefin(e) acid hydroxypropyl acrylate additive amount is 14%.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field Those of ordinary skill disclosed the technical disclosures can make according to the present invention and various not depart from the other each of essence of the invention The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.

Claims (2)

1. a kind of aqueous oxidation magnesium-dope, it is characterised in that: be made of component below and weight percent: epoxy resin modification Aqueous polyurethane 40-50%, alkyd resin 1-5%, urethane acrylate 5-10%, 1,2- dimethoxy-ethane 3-5%, Nanometer titanium dioxide 1-5%, nano-sized magnesium hydroxide 5-15%, barium sulfate 2.5-4.5%, silica 1-3%, aluminium hydroxide 1- 5%, triethylamine 5-10%, thickener 1-5%, deionized water 20-30%；
The epoxy resin modified aqueous polyurethane is prepared by following methods: reflux condensing tube, blender and temperature are being housed Spend in the four-hole boiling flask of meter, be added a certain amount of toluene di-isocyanate(TDI) and it is dehydrated after polyethers, be warming up to 75-80 DEG C it is anti- After answering 2-3h, be cooled to 70-75 DEG C, chain extender 1,4-butanediol be added, react 60-90min, be then added epoxy resin and Dihydromethyl propionic acid is dissolved in N-Methyl pyrrolidone, reacts 2.5-3.5h at 65-70 DEG C, and add the suitable acetone of people with Control the viscosity of reaction system；Hydroxypropyl acrylate, hydroquinone, tert-butyl catechol is added, is reacted at 60-65 DEG C； Then it is cooled to 40 DEG C, is added after triethylamine neutralizes, quickly stirring is dispersed in distilled water, with ethylenediamine chain extension, finally By acetone be evaporated under reduced pressure away to get.
2. a kind of preparation method of aqueous oxidation magnesium-dope, it is characterised in that:
The following steps are included:
S1: the preparation of epoxy resin modified aqueous polyurethane: in four mouthfuls of burnings equipped with reflux condensing tube, blender and thermometer Bottle in, be added a certain amount of toluene di-isocyanate(TDI) and it is dehydrated after polyethers, after being warming up to 75-80 DEG C of reaction 2-3h, cool down To 70-75 DEG C, chain extender 1,4-butanediol is added, reacts 60-90min, epoxy resin is then added and is dissolved in N- methylpyrrole Dihydromethyl propionic acid in alkanone reacts 2.5-3.5h at 65-70 DEG C, and adds the suitable acetone of people to control reaction system Viscosity；Hydroxypropyl acrylate, hydroquinone, tert-butyl catechol is added, is reacted at 60-65 DEG C；Then 40 are cooled to DEG C, after triethylamine neutralization is added, quickly stirring is dispersed in distilled water, with ethylenediamine chain extension, is finally depressurized acetone and is steamed Distillate to get；
S2: by the above-mentioned epoxy resin modified aqueous polyurethane and alkyd resin being prepared, urethane acrylate and 1,2- Dimethoxy-ethane mixing, is stirring evenly and then adding into hydroxyethyl cellulose, 1200-1500r/min high-speed stirred 30min obtains A Liquid；
S3: nanometer titanium dioxide, nano-sized magnesium hydroxide, barium sulfate, silica and aluminium-hydroxide powder mixing stir evenly Afterwards plus triethylamine and water, 1200-1500r/min high-speed stirred 30min obtain B liquid；
S4: A liquid and B liquid are mixed, 1000r/min stir 1h to get.
CN201910170106.9A 2019-03-07 2019-03-07 Aqueous oxidation magnesium-dope of one kind and preparation method thereof Pending CN110054981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910170106.9A CN110054981A (en) 2019-03-07 2019-03-07 Aqueous oxidation magnesium-dope of one kind and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910170106.9A CN110054981A (en) 2019-03-07 2019-03-07 Aqueous oxidation magnesium-dope of one kind and preparation method thereof

Publications (1)

Publication Number Publication Date
CN110054981A true CN110054981A (en) 2019-07-26

Family

ID=67316858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910170106.9A Pending CN110054981A (en) 2019-03-07 2019-03-07 Aqueous oxidation magnesium-dope of one kind and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110054981A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106752846A (en) * 2016-12-24 2017-05-31 严志海 A kind of aqueous automobile paint of wear-resisting scratch-resisting

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106752846A (en) * 2016-12-24 2017-05-31 严志海 A kind of aqueous automobile paint of wear-resisting scratch-resisting

Similar Documents

Publication Publication Date Title
US12104084B2 (en) Dispersion paint
CN101775245B (en) Multifunctional putty
CN107434948A (en) A kind of double-component aqueous acroleic acid polyurethane coating and preparation method thereof
CN103555121B (en) A kind of aqueous automobile chassis corrosion resistant coating and preparation method thereof
CN106752846A (en) A kind of aqueous automobile paint of wear-resisting scratch-resisting
CN103351795B (en) Poly-lucid asparagus car paint and preparation method and application
CN109439090A (en) A kind of corrosion-resistant quick dried environment protection water paint and preparation method thereof
CN106381041A (en) Aqueous ultrafast drying two-component acrylic-polyurethane middle coating and preparation method thereof
CN110105856A (en) The preparation method and applications of water based acrylic resin and 3C coating
CN105754442A (en) Formula and production method of waterproof breathable water-in-water multicolour coating
CN109722154A (en) A kind of car repair aqueous polyurethane metal flash paint and preparation method thereof
DE69800979T2 (en) Modified porous silica, process for its preparation and its use in paints and as a carrier of pigments and dyes
CN109777242A (en) A kind of water-base resin and preparation method thereof suitable for aqueous quick-drying anti-corrosive primer
CN109135517A (en) A kind of water-based epoxy acrylic anticorrosive paint
CN109266142B (en) Aqueous solvent-free and high-gloss single-component metallic paint without covering and preparation thereof
CN106947354A (en) Aqueous acrylic modified two component epoxy paint for priming paint and top lacquer and preparation method thereof
CN110054981A (en) Aqueous oxidation magnesium-dope of one kind and preparation method thereof
CN104017407B (en) A kind of thermosetting powder coating(s) including auxiliary agent
WO2005037933A3 (en) Multifunctional acrylate oligomers as pigment grinding vehicles for radiation-curable ink applications
CN103666065B (en) A kind of UV curable ink for surface printing and preparation method thereof
US20090163644A1 (en) Slow-curing, quick-drying aqueous paint usable in combination with oil-based paint
CN1626586A (en) Water born paint in use for plastic painting dressing and preparation method
CN114106648B (en) Water-based single-component primer surfacer and preparation method and application thereof
CN109836865A (en) A kind of preparation method of aqueous amino-stoving varnish
CN101544728A (en) Water paint base, preparation method thereof and water paint containing same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190726