CN109957312A - A kind of PE white primer of cracking resistance - Google Patents
A kind of PE white primer of cracking resistance Download PDFInfo
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- CN109957312A CN109957312A CN201711338186.1A CN201711338186A CN109957312A CN 109957312 A CN109957312 A CN 109957312A CN 201711338186 A CN201711338186 A CN 201711338186A CN 109957312 A CN109957312 A CN 109957312A
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- unsaturated polyester
- white primer
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of PE white primers of cracking resistance, comprising mian paint, diluent, promotor and initiator, the mian paint includes unsaturated polyester (UP) 1, unsaturated polyester (UP) 2, UV elastic resin, transparent powder, talcum powder, titanium dioxide, zinc stearate, coarse whiting, other function auxiliary agent and active solvent styrene.Wherein, unsaturated polyester (UP) 1 and unsaturated polyester (UP) 2 are the chain macromolecule compound made of unsaturated dibasic acid dihydric alcohol or monounsaturated dicarboxylic acid unsaturation dihydric alcohol polycondensation with ester bond and unsaturated double-bond;UV elastic resin is neutral nontoxic animi resin, can effectively improve the anti-cracking ability of white primer.The present invention has excellent anti-cracking ability, and flexibility, glossiness and flow leveling are all good.
Description
Technical field
The invention belongs to paint fields more particularly to a kind of for coating woodenware and the PE white primer of cracking resistance.
Background technique
PE white primer is wide because it has many advantages, such as that excellent filling capacity, richness are high, brightness is good, corrosion-resistant
In the general coating applied to furniture.But it is long using the time with the furniture of common PE white primer coating, it may appear that whiten,
Phenomena such as cracking and loss of gloss, to influence whole beauty.In addition, the furniture with groove, carving position needs filler thicker,
Common PE white primer is in the such product of coating, if it is blocked up once to construct, will lead to paint film ectonexine solvent evaporation rate not
Unanimously cause film forming uneven, the later period, which encounters to expand with heat and contract with cold, cracking phenomena also easily occurs.Paint film cracking not only destroys paint film
The appearance of furniture itself is assigned, and to producer and client because reprocessing and replace furniture brings no small economic damage
It loses.
Summary of the invention
The purpose of the present invention is being directed to the shortcoming of existing PE white primer, paint film can be effectively prevent by providing one kind
The PE white primer of cracking, the present invention adopts the following technical scheme:
A kind of PE white primer of cracking resistance includes mian paint, diluent, promotor and initiator, and the mian paint is according to quality hundred
Divide than calculating, it is composed of the following components: 30%~40% unsaturated polyester (UP) 1,3%~7% unsaturated polyester (UP) 2,1%~3% UV
Elastic resin, 30%~35% coarse whiting, 3%~7% transparent powder, 4%~8% talcum powder, 7%~9% titanium dioxide, 2%~4%
Zinc stearate and 1.0%~5.5% function additive, surplus be active solvent styrene.UV elastic resin is neutral nontoxic hard tree
Rouge.UV elastic resin has can be compatible with various kinds of resin, and gloss and flexibility are good, and pigment wetting performance is good, and adhesive force is strong, excellent
Elongation and high tensile the advantages of, promoted PE white primer paint film anti-cracking ability in play it is vital
Effect.
Further, the unsaturated polyester (UP) 1 and unsaturated polyester (UP) 2 are with the line style of ester bond and unsaturated double-bond height
Molecular compound is formed by unsaturated dibasic acid dihydric alcohol or monounsaturated dicarboxylic acid unsaturation dihydric alcohol polycondensation.Unsaturation is poly-
The solid content of ester 1 and unsaturated polyester (UP) 2 is all 75% or so, and all between 20-30mg KOH/g, viscosity is each about acid value
2000-2500 mPas, fineness are below 15 um, and thermodynamic stability index is 80 DEG C/30h not gelatinization.Unsaturated polyester (UP)
1 be in place of the difference of unsaturated polyester (UP) 2: 1, trimethylolpropane allyl ether of the unsaturated polyester (UP) 2 containing import, resistance
Poly- agent content is more slightly higher than unsaturated polyester (UP) 1, ethylene propylene diene monomer content fewer than unsaturated polyester (UP) 1 7%;2, unsaturated polyester (UP) 1 has
Good dry speed and grinability, have high gloss, high transparency, the high-quality quality such as high richness is a kind of comprehensive performance
Good, applied widely, using the high resin of cost performance, and unsaturated polyester (UP) 2 has extraordinary anti-ability of whitening, although its table
Do unhappy, but its characteristic is more biased towards in doing solid work property.Although due to 2 superior performance of unsaturated polyester (UP) but cost is high,
The advantages of a small amount of unsaturated polyester (UP) 2 can take into account the two is added in unsaturated polyester (UP) 1, further promotes the performance of priming paint.
Further, it is calculated according to the mass percent of the mian paint, the function additive is composed of the following components: 0.1%
~0.2% polymerization inhibitor, 0.1%~0.2% defoaming agent 1,0.1%~0.2% defoaming agent 2,0.1%~2% dispersing agent, 0.1%
~0.3% levelling agent and 1.1%~2.3% rheology control agent;The defoaming agent 1 is that the polymer-type without organosilicon disappears
Infusion, the defoaming agent 2 are brokenly bubble polysiloxane liquid, inhibit foam to generate or eliminate and have generated foam.
Polymerization inhibitor can prevent the progress of polymerization, and generating induction period in the course of the polymerization process, (i.e. polymerization speed is zero
For a period of time), the length of induction period is directly proportional to level of inhibitor, and after polymerization inhibitor runs out of, induction period terminates, i.e., by no polymerization inhibitor
Normal speed in the presence of agent carries out, and polymerization inhibitor can be 5% quinol solution;Dispersing agent can be organic modified polyorganosiloxane
Macromolecule unsaturation polycarboxylic acids solution, the effect of dispersing agent be using wetting dispersing agent reduce complete dispersion process required for
Time and energy stablize dispersed pigment dispersion, and modified pigment particle surface properties adjust the motility of pigment particles,
It can be shortened jitter time, improve gloss, improve tinting strength, tinting power and covering power, improve color developing and toning property, prevent floating, prevent
It only flocculates, prevents from settling;Levelling agent can be polyacrylate solution, and coating can be promoted to form one during the drying and film forming process and put down
Whole, smooth, uniform film can be effectively reduced and cover with paint, lacquer, colour wash, etc. liquid surface tension, improve a substance of its levelability and uniformity;Stream
Becoming controlling agent can make coating have thixotropy, reduce the sinking speed of powder in formula to a certain extent.
Further, the rheology control agent includes anti-settling slurry agent and anti-settling agent, is made of the component of following weight ratio:
Anti-settling slurry agent is 1~3 part, and anti-settling agent is 10~20 parts.Wherein, it is anti-settling slurry agent main component be modified polyamide compound and
Bentonite, anti-settling agent are polyhydroxycarboxylicacid amides solution.
Most preferably, the mian paint is calculated by mass percentage, composed of the following components: 35.5% unsaturated polyester
1,5% unsaturated polyester (UP) 2,2.0% UV elastic resin, 0.1% polymerization inhibitor, 0.1% defoaming agent 1,0.1% defoaming agent 2,
0.5% dispersing agent, 0.2% levelling agent, 0.5% anti-settling agent, 1% anti-settling slurry agent, 3% zinc stearate, 5% transparent powder,
6% talcum powder, 31.1% coarse whiting, 8.5% titanium dioxide and 1.4% styrene.
Further, the PE white primer of the cracking resistance is made of the component of following weight ratio: 100 parts of mian paint, dilute
Release 40 parts of agent, 1 part of promotor, 1.4 parts of initiator.It is found by test of many times, promotor and initiator addition excessively can also draw
Paint film cracking is played, promotor and initiator are added according to said ratio, can effectively prevent paint film cracking.
Preferably, the diluent is calculated by mass percentage, composed of the following components: 10%~30% styrene,
10%~30% toluene, 10%~30% butyl acetate, 30%~50% dimethyl carbonate, 0.05%~0.1% polymerization inhibitor.It is dilute
It releases the ingredient of agent and has important influence with paint film cracking is compared, diluent low boiling point, the paint film later period is easy when volatilizing very fast
Cracking, it is therefore desirable to according to temperature and the ingredient and proportion of environmental condition adjustment diluent, it is moderate to be allowed to evaporation rate.
Preferably, the promotor is cobalt naphthenate and/or cobalt iso-octoate, and it acts as accelerate not under low temperature and room temperature
The solidification of saturated polyester 1 and unsaturated polyester (UP) 2, the initiator are methyl ethyl ketone peroxide and/or cyclohexanone peroxide.
The present invention also provides a kind of preparation methods of the PE white primer of cracking resistance, and it is white to be used to prepare PE as described above
Color bottom paint includes the following steps:
S1, according to the proportion dosage successively put into unsaturated polyester (UP) 1, unsaturated polyester (UP) 2 and UV elastic resin in painting cylinder,
1000~1500r/min is uniformly dispersed, and resin mixture liquor is made;
S2, successively polymerization inhibitor, defoaming agent 1 and dispersing agent are put into the resin mixture liquor of S1 step, 1000~1500r/min,
Evenly dispersed 3~6min;
S3, successively by zinc stearate, transparent powder, talcum powder, coarse whiting, titanium dioxide, anti-settling agent and anti-settling slurry agent put into S2 step
Mixed liquor in, 1500~2000 r/min, evenly dispersed 10~20min;
S4, successively levelling agent, defoaming agent 2 and active solvent styrene are put into the mixed liquor of S3 step, 1000~1500r/
Mian paint is made after min, evenly dispersed 10~15min, mian paint is weighed and packed as requested;
S5, the diluent, promotor and initiator needed for dosage according to being weighed and packed.
The invention has the benefit that 1, in mian paint introduce UV elastic resin component, with excellent elongation with
And the advantages that high tensile, it is white effectively to promote PE when test of many times discovery UV elastic resin adding ingredient is only 2%
Color bottom paint paint film anti-cracking ability;2, the advantages of unsaturated polyester (UP) in mian paint is two kinds of polyester, takes into account the two, is mentioning
While rising primer performance, production cost is reduced;3, the two kinds of unsaturated polyester (UP)s and solvent of UV elastic resin and coating
With good compatibility, have good wetting, peptizaiton to pigment, be not only able to further increase the adhesive force of coating,
The performances such as gloss and flexibility, and the problem of the coating paint film later period can be effectively prevented from crack.4, it is demonstrated experimentally that removing
Mian paint composition proportion, diluent low boiling point cause that paint film is dry too fast and promotor, initiator additive amount are excessive, can also lead
Cause paint film cracking;The present invention is directed to the ingredient and proportion of mian paint, compounds out the diluent being adapted to it, and promotor has been determined
With the additive amount of initiator, the anti-cracking performance of PE white primer is further improved.
Specific embodiment
The present invention is further described below with reference to specific embodiment, but is not limited the scope of the invention.
Embodiment 1
The PE white primer of the present embodiment, is made of the component of following weight ratio: 100 parts of mian paint, 40 parts of diluent, and promotor
1 part, 1.4 parts of initiator.Wherein, promotor is cobalt iso-octoate, for the long F-533B product for moistening hair companies market;Initiator was
Methyl Ethyl Ketone Oxidation sends out F-534B product commercially available for long profit.Diluent is calculated by mass percentage, composed of the following components:
23.5% styrene, 21.4% toluene, 15% butyl acetate, 40% dimethyl carbonate, 0.1% polymerization inhibitor, the polymerization inhibitor
The quinol solution that agent is 5%, is commercially available reagent above.
Mian paint is calculated by mass percentage, composed of the following components: 35.5% unsaturated polyester 1, and 5% unsaturation is poly-
Ester 2,1.0% UV elastic resin, 0.1% polymerization inhibitor, 0.1% defoaming agent 1,0.1% defoaming agent 2,0.5% dispersing agent,
0.2% levelling agent, 0.5% anti-settling agent, 1% anti-settling slurry agent, 3% zinc stearate, 5% transparent powder, 6% talcum powder,
31.1% coarse whiting, 8.5% titanium dioxide and 2.4% styrene.Wherein, unsaturated polyester (UP) 1 is that long profit sends out commercial product
YTM2007A, unsaturated polyester (UP) 2 are that long profit sends out commercial product YTM2010A, and UV elastic resin is that long profit sends out commercial product
YTM3570B;Defoaming agent 1 and defoaming agent 2 are respectively the commercial product PD112 and BYK141 of AFCONA company;Dispersing agent dispersion
Agent is the macromolecule unsaturation polycarboxylic acids solution of commercially available organic modified polyorganosiloxane;Levelling agent is polyacrylate solution, is
Commercial product BYK354;Anti-settling agent is polyhydroxycarboxylicacid amides solution, is commercial product BYK-405;Anti-settling slurry agent is modified poly-
Amide compound and bentonite, be respectively modest company commercial product 6900-HV and BENGEL-988;Zinc stearate is commercially available
Product TV-P, transparent powder are commercial product T-30, and talcum powder is 1000 mesh;Remaining reagent is commercial product, is not done specific
It limits.,
The detailed performance parameter of the present embodiment is shown in Table 1.The groove for being coated with the present embodiment PE white primer is surveyed by cold cycling
After examination, there is slight cracking phenomena.
Embodiment 2
The present embodiment and implement 1 the difference is that, the UV elastic resin deal added in the present embodiment than embodiment 1 omit
Increase, is 2%.Mian paint is calculated by mass percentage, composed of the following components: 35.5% unsaturated polyester 1, and 5% unsaturation is poly-
Ester 2,2.0% UV elastic resin, 0.1% polymerization inhibitor, 0.1% defoaming agent 1,0.1% defoaming agent 2,0.5% dispersing agent,
0.2% levelling agent, 0.5% anti-settling agent, 1% anti-settling slurry agent, 3% zinc stearate, 5% transparent powder, 6% talcum powder,
31.1% coarse whiting, 8.5% titanium dioxide and 1.4% styrene.The PE white primer specific performance parameter that the present embodiment obtains
See Table 1 for details.The groove of the present embodiment PE white primer is coated with after cold cycling is tested, no cracking phenomena.
Embodiment 3
The present embodiment and implement 1, embodiment 2 the difference is that, the UV that is added in the PE white primer of the present embodiment elasticity
Resin deal is most, is 3%.Mian paint is calculated by mass percentage, composed of the following components: 35.5% unsaturated polyester 1, and 5%
Unsaturated polyester (UP) 2,3.0% UV elastic resin, 0.1% polymerization inhibitor, 0.1% defoaming agent 1,0.1% defoaming agent 2,0.5%
Dispersing agent, 0.2% levelling agent, 0.5% anti-settling agent, 1% anti-settling slurry agent, 3% zinc stearate, 5% transparent powder, 6%
Talcum powder, 31.1% coarse whiting, 8.5% titanium dioxide and 0.4% styrene.The PE white primer that the present embodiment obtains is specific
See Table 1 for details for performance parameter.The groove of the present embodiment PE white primer is coated with after cold cycling is tested, no cracking phenomena.
Embodiment 4
The preparation method for present embodiments providing a kind of cracking resistance PE white primer can be used in preparing embodiment 1 to embodiment 3
Described in PE white primer.It is described that specific step is as follows:
S1, according to the proportion dosage successively put into unsaturated polyester (UP) 1, unsaturated polyester (UP) 2 and UV elastic resin in painting cylinder,
1000~1500r/min is uniformly dispersed, and resin mixture liquor is made;
S2, successively polymerization inhibitor, defoaming agent 1 and dispersing agent are put into the resin mixture liquor of S1 step, 1000~1500r/min,
Evenly dispersed 5min;
S3, successively by zinc stearate, transparent powder, talcum powder, coarse whiting, titanium dioxide, anti-settling agent and anti-settling slurry agent put into S2 step
Mixed liquor in, 1500~2000 r/min, evenly dispersed 15min;
S4, successively levelling agent, defoaming agent 2 and active solvent styrene are put into the mixed liquor of S3 step, 1000~1500r/
Mian paint is made after min, evenly dispersed 10min, mian paint is weighed and packed as requested;
S5, the diluent, promotor and initiator needed for dosage according to being weighed and packed.
Comparative example
Comparative example of the invention is commercially available common PE white primer, including PE resin, dispersing agent, levelling agent, defoaming agent, again
Calcium, zinc powder, titanium dioxide, talcum powder, fumed silica and solvent styrene, see Table 1 for details for specific performance parameter.It is coated with comparison
There is apparent cracking phenomena after cold cycling is tested in the groove of example common PE white primer.Comparative example and of the invention
Embodiment 1 to the PE white primer anti-cracking ability of embodiment 3 and other performance parameters is detailed in the following table 1.
As seen from the above table, PE white primer of the invention has excellent compared to the commercially available common PE white primer of comparative example
Good anti-cracking ability, more preferably flexility and flow leveling.Knot is tested by the cold cycling of embodiment 1 to embodiment 3
Fruit can effectively promote PE white primer paint film cracking resistance energy it is found that when UV elastic resin adding ingredient is only 2% in mian paint
Power.It is found by experimental study, when the volatilization of diluent low boiling point is very fast, paint film rate of drying can be accelerated, and paint film drying is too fast
It is one of the main reason for causing the paint film later period to be easy cracking, by surface drying parameter it is found that when PE white primer surface drying of the invention
Between to be slightly longer than comparative example, the present invention has compounded the moderate diluent of evaporation rate according to temperature condition, this is also of the invention
PE white primer anti-cracking ability is better than one of the reason of comparative example.
The above is only a preferred embodiment of the present invention, it is not intended to limit the present invention in any form.It should
It points out, for those skilled in the art, without departing from the principle of the present invention, if can also make
Dry improvements and modifications, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (9)
1. a kind of PE white primer of cracking resistance, formula includes mian paint, diluent, promotor and initiator, which is characterized in that
The mian paint is calculated by mass percentage, composed of the following components: 30%~40% unsaturated polyester (UP) 1,3%~7% insatiable hunger
With polyester 2,1%~3% UV elastic resin, 30%~35% coarse whiting, 3%~7% transparent powder, 4%~8% talcum powder, 7%~
9% titanium dioxide, 2%~4% zinc stearate and 1.0%~5.5% function additive, surplus be active solvent styrene;The UV
Elastic resin is neutral nontoxic animi resin.
2. PE white primer according to claim 1, which is characterized in that the unsaturated polyester (UP) 1 and unsaturated polyester (UP) 2 are equal
For the chain macromolecule compound with ester bond and unsaturated double-bond, pass through unsaturated dibasic acid dihydric alcohol or monounsaturated dicarboxylic acid
Unsaturated dihydric alcohol polycondensation forms.
3. PE white primer according to claim 1 or 2, which is characterized in that according to the mass percent meter of the mian paint
It calculates, the function additive is composed of the following components: 0.1%~0.2% polymerization inhibitor, 0.1%~0.2% defoaming agent 1,0.1%~
0.2% defoaming agent 2,0.1%~2% dispersing agent, 0.1%~0.3% levelling agent and 1.1%~2.3% rheology control agent;
The defoaming agent 1 is the polymer-type defoaming agent without organosilicon, and the defoaming agent 2 is brokenly bubble polysiloxane liquid.
4. PE white primer according to claim 3, which is characterized in that the rheology control agent includes anti-settling slurry agent and prevents
Heavy agent, is made of the component of following weight ratio: anti-settling slurry agent is 1~3 part, and anti-settling agent is 10~20 parts;The anti-settling slurry agent
Main component be modified polyamide compound and bentonite, the anti-settling agent be polyhydroxycarboxylicacid amides solution.
5. PE white primer according to claim 4, which is characterized in that the mian paint is calculated by mass percentage, by
Following components composition: 35.5% unsaturated polyester 1,5% unsaturated polyester (UP) 2,2.0% UV elastic resin, 0.1% polymerization inhibitor
Agent, 0.1% defoaming agent 1,0.1% defoaming agent 2,0.5% dispersing agent, 0.2% levelling agent, 0.5% anti-settling agent, 1% it is anti-
Heavy slurry agent, 3% zinc stearate, 5% transparent powder, 6% talcum powder, 31.1% coarse whiting, 8.5% titanium dioxide and 1.4%
Styrene.
6. PE white primer according to claim 1-5, which is characterized in that by the component of following weight ratio
It constitutes: 100 parts of mian paint, 40 parts of diluent, 1 part of promotor, 1.4 parts of initiator.
7. PE white primer according to claim 6, which is characterized in that the promotor is cobalt naphthenate and/or different zinc
Sour cobalt, the initiator are methyl ethyl ketone peroxide and/or cyclohexanone peroxide.
8. PE white primer according to claim 7, which is characterized in that the diluent is calculated by mass percentage,
It is composed of the following components: 10%~30% styrene, 10%~30% toluene, 10%~30% butyl acetate, 30%~50%
Dimethyl carbonate, 0.05%~0.1% polymerization inhibitor.
9. a kind of preparation method of PE white primer, which is characterized in that the PE white primer is as claim 4-8 is any
PE white primer described in, includes the following steps:
S1, according to the proportion dosage successively put into unsaturated polyester (UP) 1, unsaturated polyester (UP) 2 and UV elastic resin in painting cylinder,
1000~1500r/min is uniformly dispersed, and resin mixture liquor is made;
S2, successively polymerization inhibitor, defoaming agent 1 and dispersing agent are put into the resin mixture liquor of S1 step, 1000~1500r/min,
Evenly dispersed 3~6min;
S3, successively by zinc stearate, transparent powder, talcum powder, coarse whiting, titanium dioxide, anti-settling agent and anti-settling slurry agent put into S2 step
Mixed liquor in, 1500~2000 r/min, evenly dispersed 10~20min;
S4, successively levelling agent, defoaming agent 2 and active solvent styrene are put into the mixed liquor of S3 step, 1000~1500r/
Mian paint is made after min, evenly dispersed 10~15min, mian paint is weighed and packed as requested;
S5, the diluent, promotor and initiator needed for dosage according to being weighed and packed.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115216211A (en) * | 2022-07-19 | 2022-10-21 | 佛山市顺德区鸿昌涂料实业有限公司 | Unsaturated polyester primer for complex modeling furniture and preparation method thereof |
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CN102850916A (en) * | 2012-08-31 | 2013-01-02 | 北京展辰化工有限公司 | Unsaturated polyester prime coat and preparation method thereof |
CN104327686A (en) * | 2014-11-19 | 2015-02-04 | 上海展辰涂料有限公司 | Anti-cracking unsaturated-polyester white primer |
-
2017
- 2017-12-14 CN CN201711338186.1A patent/CN109957312A/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102850916A (en) * | 2012-08-31 | 2013-01-02 | 北京展辰化工有限公司 | Unsaturated polyester prime coat and preparation method thereof |
CN104327686A (en) * | 2014-11-19 | 2015-02-04 | 上海展辰涂料有限公司 | Anti-cracking unsaturated-polyester white primer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115216211A (en) * | 2022-07-19 | 2022-10-21 | 佛山市顺德区鸿昌涂料实业有限公司 | Unsaturated polyester primer for complex modeling furniture and preparation method thereof |
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Application publication date: 20190702 |