CN106189465B - A kind of diluent and its spraying method of fluoride polyurethane enamel paint - Google Patents
A kind of diluent and its spraying method of fluoride polyurethane enamel paint Download PDFInfo
- Publication number
- CN106189465B CN106189465B CN201610710840.6A CN201610710840A CN106189465B CN 106189465 B CN106189465 B CN 106189465B CN 201610710840 A CN201610710840 A CN 201610710840A CN 106189465 B CN106189465 B CN 106189465B
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- Prior art keywords
- diluent
- component
- paint
- enamel paint
- fluoride polyurethane
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
Abstract
A kind of diluent of fluoride polyurethane enamel paint, the diluent are made of two kinds of components of first, second；First component includes methyl butyl ketone 30 60, dimethylbenzene 20 40, the second diether acetic acid esters 20 40 in terms of mass fraction, and component B includes cyclohexanone 50 70, butyl acetate 10 30, the dimethylbenzene 10 30 in terms of mass fraction.Become mixed diluent after above-mentioned first and second components diluent mixing, fluoride polyurethane enamel paint can be made to be uniformly dispersed in mixed diluent, and the surface drying time of fluoride polyurethane enamel paint is effectively controlled, make the product after spraying that there is the characteristics of flat appearance, smooth, paint film uniformly continuous.
Description
Technical field
The present invention relates to technical field of coatings, the particularly a kind of preparation of fluoride polyurethane enamel paint and spraying method.
Background technology
Fluoride polyurethane mat enamel paint is widely used in decoration and the guarantor of aircraft skin with its excellent fast light, weather resistance
Shield, it is two-component paint, and it is isocyanide that a kind of component, which includes filler, another components such as fluorine-containing hydroxy resin, diluent, dispersant,
Acid ester resin.In order to reduce glossiness and the requirement because of paint color, addition delustering agent and various pigments are also needed in first component, are being painted
Since the filler of addition is more in layer work progress, dry too fast surface such as paint film and occur coarse, or even have obvious drying
Block, while also increase difficulty of construction there are the problem of shade of color is uneven, gloss is unstable.
Control the environment of construction such as relatively low (less than 18 DEG C) in temperature, under conditions of humidity is relatively large (65%~
Between 70%) generation of the above problem can be reduced, but for spraying the construction operation of this large area of aircraft easily by ring around
Border influences, and carries out how solving that enamelled coating is coarse, shade of color is uneven under high temperature drying environment during the construction of polyurethane mat enamel paint
Situations such as even, becomes urgent problem to be solved.
The content of the invention
The technical problems to be solved by the invention are to overcome the defect of prior art, there is provided a kind of fluoride polyurethane enamel paint it is dilute
Agent and its spraying method are released, fluoride polyurethane enamel paint can be made to be uniformly dispersed in diluent, and effectively controls fluoride polyurethane enamel paint
Surface drying time, make the product after spraying that there is the characteristics of flat appearance, smooth, paint film uniformly continuous.
Technical problem of the present invention is realized with following technical proposals：
A kind of diluent of fluoride polyurethane enamel paint, the diluent are made of two kinds of components of first, second；First component is included with matter
Methyl butyl ketone 30-60, dimethylbenzene 20-40, the second diether acetic acid esters 20-40 of number meter are measured, component B is included with mass fraction
Cyclohexanone 50-70, butyl acetate 10-30, the dimethylbenzene 10-30 of meter.
The diluent of above-mentioned fluoride polyurethane enamel paint, the component B include the cyclohexanone 60 in terms of mass fraction, acetic acid fourth
Ester 20, dimethylbenzene 20.
A kind of spraying method using above-mentioned fluoride polyurethane enamel paint diluent, includes the following steps：
A, the preparation of diluent：According to the temperature and humidity situation of construction environment, by the first, component B of diluent in proportion
It is uniformly mixed, mixed diluent is made；
B, the preparation of paint vehicle：With the mixed diluting dilution agent fluoride polyurethane enamel paint of step a, adjustment paint vehicle viscosity is 18s, ripe
Change 0.5 it is small when be configured to fluoride polyurethane paint vehicle；
C, spray：Coating tool is cleaned up with the first component of diluent, using spray gun or painting brush by the paint vehicle of step b
Coated in workpiece surface.
The spraying method of above-mentioned fluoride polyurethane enamel paint diluent, when spraying in the step c spray gun and workpiece surface away from
From for 150mm-250mm, intersect spraying, paint film lap width 50% using 90 ° of angles.
The spraying method of above-mentioned fluoride polyurethane enamel paint diluent, the humidity of construction environment is 30%-55% in the step a
When, the additional proportion of 15 DEG C~20 DEG C first, component Bs of temperature is 100:20, environment temperature often increases in 20 DEG C~40 DEG C of section
Add 5 DEG C, the additional proportion increase by 10 of component B；When the humidity of construction environment is 55%-70%, 15 DEG C~20 DEG C first, second of temperature
The additional proportion of component is 100:15, environment temperature often increases by 5 DEG C in 20 DEG C~40 DEG C of section, the additional proportion of component B
Increase by 10.
The present invention carries out allotment enamel paint using the second component diluent of slow curing type, can effectively reduce the dry tack free of enamelled coating
Speed, the flow time for extending enamelled coating, paint film appearance is smooth, smooth after spraying, improves product quality.
Two kinds of components of first, second are prepared according to the temperature and humidity of environment in proportion, when can effectively control the drying of paint film
Between be 30 minutes or so, no matter therefore construction environment how can ensure paint film uniformly continuous, not blistering, not withered skin, and nothing
The defects of pin hole, coarse grain, fully meet the design requirement of aircraft.Drying process in conventional spray paint technique is changed not know and paint
Film quality situation rambunctious, while effectively control production cycle, reduce the difficulty of construction in spraying process.
Embodiment
The present invention is described in further detail with reference to embodiment.
Diluent of the present invention includes two kinds of components of first, second, and the first component includes the methyl butyl ketone in terms of mass fraction
30-60, dimethylbenzene 20-40, second diether acetic acid esters 20-40, the component B include cyclohexanone 50-70 in terms of mass fraction,
Butyl acetate 10-30, dimethylbenzene 10-30.First component is preferably methyl butyl ketone 50, dimethylbenzene 25, second diether acetic acid esters 25, second
Component is preferably cyclohexanone 60, butyl acetate 20, dimethylbenzene 20.
The preparation of diluent：
According to the temperature and humidity situation of construction environment, first, component B is mixed in ratio as defined in table 1, is uniformly mixed
As diluent.The compatibility of two kinds of components is good, has good dissolubility to fluoride polyurethane mat enamel paint.
1 diluent first, component B setup sheet of table
Diluent appearance after mixture is water white transparency, without mechanical admixture.By sample drop on filter paper, to be diluted dose fully
After volatilization, estimate without nonvolatile matter on filter paper, since diluent has good volatility, noresidue after enamelled coating drying, so as to protect
The quality of spraying is demonstrate,proved.Select after there is part of the high boiling cyclohexanone as second component, with first component mixture and be used for
Fluoride polyurethane paint dilutes, and adjusts the working viscosity of paint, extends the surface drying time of fluoride polyurethane paint.Can effectively it alleviate without optomagnetic
Paint enamelled coating in spraying process dries the problem of too fast.
Embodiment 1
Experiment material is No. 12 duralumin, and thickness δ 1.5, size is the aluminium sheet sample after 100cm × 100cm anodization, respectively
After the calico cleaning qualification for soaking diluent, spraying TB06-9 zinc yellow epoxy polyurethane priming paint, 30 μm ± 5 μm of base coat thickness, 40
DEG C~50 DEG C of drying 6h.
Fluoride polyurethane enamel paint is TS96-71 fluoride polyurethane enamel paint, commercially available
First, the allotment of paint vehicle：
Step a weighs two components of fluoride polyurethane mat enamel paint to scale, by the fluorine-containing hydroxy resin in component one,
Dispersant, pigment, delustering agent and curing agent are sequentially added in stirring container, while being stirred continuously, are slowly added to component two
Isocyanate resin, be configured to fluoride polyurethane enamel paint.
Step b is by the first, component B of diluent respectively according to 10:0、10:2、10:3、10:4、10:5、10:6 ratio point
Do not mix, stir evenly, the quality of required prepared and diluted agent accounts for the 50%-70% of fluoride polyurethane enamel paint gross mass.
The deployed mixed diluents of step c distinguish the made fluoride polyurethane enamel paint of dilution step a to operating viscosity, adjustment
The viscosity of paint vehicle is 18s, be can be used after curing 0.5h.
2nd, spray-finishing construction method：
Environmental preparation：Clear the field, workpiece wiped clean, keeps the cleaning of construction environment, prevent flue dust, chip, dust storm
Fall in undried film coated surface.Coating tool such as spray gun, painting brush etc. are cleaned before application and with first component diluent after application
Totally, being mixed into for debris is prevented.
During using spray gun spraying paint vehicle, appropriate nozzle diameter and pressure are adjusted, is sprayed away from 30cm is not exceeded, avoids producing
Solvent before dry spray phenomenon, i.e. spraying fall on object plane in coating partly volatilizees, cause paint solution lose mobility and
Form particle.
3rd, implementation：
5 pieces of identical aluminium sheet samples are taken, respectively under the construction environment of different temperatures and humidity, are opposite at random on wing
The test piece on surface sprays 2 finishing coats, and spraying method can use 90 ° of angles to intersect spraying, paint film lap width 50%, spray gun distance
150mm~250mm.In order to ensure the accuracy of experimental result, 50 μm ± 5 μm of finishing coat thickness control, the test piece after spray painting is 40
DEG C~50 DEG C of drying 6h.Inspection verification, experimental result are carried out to the enamelled coating adhesive force of test piece, enamelled coating presentation quality and surface drying time
It is shown in Table 2.Wherein adhesive force is tested using cross-hatching, and adhesive force is 0 grade in the present embodiment；Surface drying time refers to providing
Drying condition under, certain thickness wet paint film, surface is changed into the solid-state required time from liquid.Paint film appearance uses and mark
Quasi- model comparison check；Thickness of paint layer is checked that every piece of test piece measures 5 points, is then averaged using paint film thickness gauge.
2 diluent of table allocates the quality test results of enamel paint enamelled coating using the first and second components of different proportion
2 diluent of continued allocates the quality test results of enamel paint enamelled coating using the first and second components of different proportion
2 diluent of continued allocates the quality test results of enamel paint enamelled coating using the first and second components of different proportion
As can be seen from the above table, under the environmental condition that construction temperature is 15 DEG C, relative humidity is 53%, first, second group is used
The ratio of part is 10:2 or 10:The diluent of 3 modulation allocates TS96-71 fluoride polyurethane mat enamel paints, paint film appearance matter
Amount is greatly improved, but as the increase of component B diluent dosage, enamelled coating surface drying time extend more than one hours, enamelled coating goes out
Now trickling, the phenomenon of current mark.
With the increase of construction temperature, temperature is respectively 20 DEG C, 25 DEG C, 30 DEG C, 35 DEG C, relative humidity 40%-55%
Environmental condition under, use ratio 10:3、10:4、10:5、10:The diluent of 6 modulation is to TS96-71 fluoride polyurethanes without optomagnetic
Paint is allocated, and obtains optimal paint film effect.As the ratio using second component is smaller, since rate of drying is very fast, enamelled coating goes out
Existing phenomenon coarse, irregular colour is even, influences coating quality.
TS96-71 fluoride polyurethane mat enamel paints are allocated using above-mentioned diluent, adhesive force, glossiness to enamelled coating
Without influence, the presentation quality of enamelled coating is but can effectively improve, and as the rise of construction temperature, the reduction of relative humidity are required
The ratio of self-control diluent also increases therewith, but self-control diluent is excessively used, and can make enamelled coating rate of drying rapid decrease, unfavorable
In the control of production cycle.
Claims (1)
1. a kind of spraying method of fluoride polyurethane enamel paint diluent, it is characterised in that the fluoride polyurethane enamel paint includes the poly- ammonia of fluorine
Ester enamel paint and diluent, spraying carry out as follows：
A, the preparation of diluent：
The diluent is made of two kinds of components of first, second；First component includes the methyl butyl ketone 30-60 in terms of mass fraction, two
Toluene 20-40, second diether acetic acid esters 20-40, component B include cyclohexanone 50-70, the butyl acetate 10- in terms of mass fraction
30th, dimethylbenzene 10-30；
According to the temperature and humidity situation of construction environment, the first, component B of diluent is mixed in proportion, it is dilute that mixing is made
Release agent；
B, the preparation of paint vehicle：With the mixed diluting dilution agent fluoride polyurethane enamel paint of step a, adjustment paint vehicle viscosity is 18s, curing
0.5 is configured to fluoride polyurethane paint vehicle when small；
C, spray：Coating tool is cleaned up with the first component of diluent, is coated the paint vehicle of step b using spray gun or painting brush
In workpiece surface；
When the humidity of construction environment is 30%-55% in the step a, the additional proportion of 15 DEG C of temperature~20 DEG C of first, component Bs is
100:20, environment temperature often increases by 5 DEG C in 20 DEG C~40 DEG C of section, the additional proportion increase by 10 of component B；Construction environment
Humidity when being 55%-70%, the additional proportion of 15 DEG C~20 DEG C first, component Bs of temperature is 100:15, environment temperature 20 DEG C~
Often increase by 5 DEG C in 40 DEG C of section, the additional proportion increase by 10 of component B；
The distance of spray gun and workpiece surface is 150mm-250mm when being sprayed in the step c, intersects spraying, paint film using 90 ° of angles
Lap width 50%；
The component B includes cyclohexanone 60, butyl acetate 20, the dimethylbenzene 20 in terms of mass fraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710840.6A CN106189465B (en) | 2016-08-23 | 2016-08-23 | A kind of diluent and its spraying method of fluoride polyurethane enamel paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710840.6A CN106189465B (en) | 2016-08-23 | 2016-08-23 | A kind of diluent and its spraying method of fluoride polyurethane enamel paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106189465A CN106189465A (en) | 2016-12-07 |
| CN106189465B true CN106189465B (en) | 2018-05-04 |
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| CN201610710840.6A Active CN106189465B (en) | 2016-08-23 | 2016-08-23 | A kind of diluent and its spraying method of fluoride polyurethane enamel paint |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608093A (en) * | 2009-07-30 | 2009-12-23 | 天津灯塔涂料工业发展有限公司 | Fluorochemical urethane enamel paint and production method thereof |
| CN102357454A (en) * | 2011-08-25 | 2012-02-22 | 沈阳飞机工业（集团）有限公司 | Spraying process for fluorocarbon surface layer paint |
| CN102861712A (en) * | 2012-09-28 | 2013-01-09 | 北京星航机电设备厂 | Coating method of radar wave absorbing coating |
| CN103275330A (en) * | 2013-06-07 | 2013-09-04 | 苏州兴业材料科技股份有限公司 | Fluorine-containing organosilicone dual-modified acrylic resin material for aircraft skin coating |
| CN104356806A (en) * | 2014-10-30 | 2015-02-18 | 安徽港源家居工艺品有限公司 | Flexible moisture-resistant water-based anticorrosive paint for bamboo-weaved rattan chairs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100568427B1 (en) * | 2003-05-20 | 2006-04-07 | 주식회사 디피아이 | Hybrid polyurethane resin composition, method of preparing the same, and method of preparing paint having the same |
-
2016
- 2016-08-23 CN CN201610710840.6A patent/CN106189465B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608093A (en) * | 2009-07-30 | 2009-12-23 | 天津灯塔涂料工业发展有限公司 | Fluorochemical urethane enamel paint and production method thereof |
| CN102357454A (en) * | 2011-08-25 | 2012-02-22 | 沈阳飞机工业（集团）有限公司 | Spraying process for fluorocarbon surface layer paint |
| CN102861712A (en) * | 2012-09-28 | 2013-01-09 | 北京星航机电设备厂 | Coating method of radar wave absorbing coating |
| CN103275330A (en) * | 2013-06-07 | 2013-09-04 | 苏州兴业材料科技股份有限公司 | Fluorine-containing organosilicone dual-modified acrylic resin material for aircraft skin coating |
| CN104356806A (en) * | 2014-10-30 | 2015-02-18 | 安徽港源家居工艺品有限公司 | Flexible moisture-resistant water-based anticorrosive paint for bamboo-weaved rattan chairs |
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| Publication number | Publication date |
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| CN106189465A (en) | 2016-12-07 |
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