CN101423685B - Protective coating and preparation method thereof - Google Patents
Protective coating and preparation method thereof Download PDFInfo
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- CN101423685B CN101423685B CN2007101660530A CN200710166053A CN101423685B CN 101423685 B CN101423685 B CN 101423685B CN 2007101660530 A CN2007101660530 A CN 2007101660530A CN 200710166053 A CN200710166053 A CN 200710166053A CN 101423685 B CN101423685 B CN 101423685B
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Abstract
The invention provides a protective coating. The coating comprises polyvinyl chloride resin, a plasticizer, a thixotropic agent, a filler and a viscosity increaser, wherein the total weight of the coating is used as a benchmark; the content of the polyvinyl chloride resin is between 5 and 15 weight percent; the content of the plasticizer is between 10 and 30 weight percent; the content of the thixotropic agent is between 20 and 40 weight percent; the content of the filler is between 15 and 60 weight percent; and the content of the viscosity increaser is between 0.2 and 3 weight percent. The invention also provides a method for preparing the coating. The protective coating greatly reduces cost of the protective coating through properly reducing the content of the resin, can maintain the adhesive force of the protective coating, does not change the impact resistance basically after curing, and improves the storage stability and the atomization performance of the protective coating properly.
Description
Technical field
The invention relates to a kind of coating and preparation method thereof, more precisely about a kind of protective coating and preparation method thereof.
Background technology
Automobile is in driving process, and body bottom surface and baffle plate etc. locate often to be subjected to the bump of silt and rubble etc., and body bottom surface and baffle plate etc. are located to cause damage.Usually locate to spray protective coating protection at car basal surface and baffle plate etc. in order to prevent this infringement.
For example, Zhang Zhuomin discloses a kind of PVC seal gum that can be used for spraying at the bottom of the car, the basic recipe of sealing glue: 30-40 part PVC sticks with paste resin, 30-40 part light calcium carbonate, 30-40 part dioctyl phthalate (DOP), 5-10 part thixotropy resin, 0.1-0.3 part tackifier and an amount of stablizer (development of PVC seal gum, China's chlor-alkali, the 6th phase of June in 2005, the 16-17 page or leaf).Sealing glue have sticking power preferably and solidify after shock resistance than higher, but cost is higher.
CN1982365A discloses a kind of high-thixotropic poly (vinyl chloride) plastic sol that can be used for spraying at the bottom of the car, contains the polyvinyl chloride (PVC) RESINS of 20-30 weight %, the dimer acid type polyamide of 1.5-2 weight %, the blocked isocyanate of 1.5-2 weight %, the thixotropic agent of 0.5-2 weight %, the filler of 30-50 weight % and the softening agent of 20-30 weight % in this colloidal sol.Though this colloidal sol has reduced cost to a certain extent, cost is still very high.
Summary of the invention
The objective of the invention is provides a kind of lower-cost protective coating in order to overcome the higher shortcoming of existing protective coating cost.
Another object of the present invention provides the preparation method of this coating.
In the existing protective coating, people it is generally acknowledged that the content of resin must be not less than 20 weight %, otherwise the shock resistance after the sticking power of protective coating and the curing is difficult to reach requirement, but, the present inventor is surprised to find that, suitably reduce the content of resin, and during the content of suitable raising thixotropic agent and filler, shock resistance after the sticking power of the protective coating that obtains and the curing remains unchanged substantially, because the price of resin is far above thixotropic agent and filler, therefore, can reduce the cost of protective coating greatly by the content of suitable reduction resin.In addition, the present invention finds that also the content of suitable reduction resin can also improve the stability in storage of protective coating, and the content of suitable raising thixotropic agent can also improve the atomization of protective coating, can make spraying more even, and appearance effect is better.
The invention provides a kind of protective coating, this coating contains polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier, wherein, gross weight with coating is a benchmark, the content of polyvinyl chloride (PVC) RESINS is 5-15 weight %, and the content of softening agent is 10-30 weight %, and the content of thixotropic agent is 20-40 weight %, the content of filler is 15-60 weight %, and the content of tackifier is 0.2-3 weight %.
The present invention also provides the preparation method of described coating, this method comprises mixes polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier, wherein, gross weight with coating is a benchmark, the consumption of polyvinyl chloride (PVC) RESINS is 5-15 weight %, and plasticizer dosage is 10-30 weight %, and the consumption of thixotropic agent is 20-40 weight %, the consumption of filler is 15-60 weight %, and the consumption of tackifier is 0.2-3 weight %.
Protective coating provided by the invention greatly reduces the cost of protective coating by the content of suitable reduction resin, and can keep the sticking power of protective coating and solidify after shock resistance constant substantially.
Embodiment
The invention provides a kind of protective coating, this coating contains polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier, wherein, gross weight with coating is a benchmark, the content of polyvinyl chloride (PVC) RESINS is 5-15 weight %, and the content of softening agent is 10-30 weight %, and the content of thixotropic agent is 20-40 weight %, the content of filler is 15-60 weight %, and the content of tackifier is 0.2-3 weight %; Under the preferable case, be benchmark with the gross weight of coating, the content of polyvinyl chloride (PVC) RESINS is 8-13 weight %, the content of softening agent is 22-30 weight %, the content of thixotropic agent is 25-35 weight %, and the content of filler is 30-55 weight %, and the content of tackifier is 0.5-2 weight %.
Among the present invention, described polyvinyl chloride (PVC) resin can be the various polyvinyl resins that are used for protective coating of routine, and under the preferable case, described polyvinyl chloride (PVC) RESINS is that polyvinyl chloride (PVC) is stuck with paste resin and/or polyvinyl chloride (PVC) blending resin.Polyvinyl chloride (PVC) is stuck with paste resin and polyvinyl chloride (PVC) blending resin all can be commercially available.Stick with paste models such as E5/65C, E70CQ that resin can adopt German Vinnolit company to produce, P9070 as PVC, models such as the PSM-30 of Shenyang Chemical Manufacture, PSM-31, the models such as PB1302, PB1311 of sky, Hefei occasion plastics limited liability company (Anhui chemical industry for making chlorine and alkali group), the models such as P450, P440 that also can adopt Shanghai chlor-alkali group to produce.The PVC blending resin can adopt models such as C65V, C8/62V that German Vinnolit company produces, C14/60, the models such as SB-100 that chlor-alkali group in Shanghai produces.
According to the present invention, described softening agent can be the various softening agent that are used for protective coating of routine, for example, described softening agent can be dinoctyl phthalate (DOP), Di Iso Decyl Phthalate (DINP), phthalic acid dibutyl ester (DBP), diethyl phthalate (DEP), butyl benzyl phthalate (BBP), Pyromellitic Acid four different monooctyl esters (TOPM), tributyl acetylcitrate, tributyl citrate, in trioctyl phosphate and the diphenyl octyl phosphate one or more, under the preferable case, described softening agent is dinoctyl phthalate (DOP) and/or Di Iso Decyl Phthalate (DINP).
Among the present invention, described thixotropic agent can be the various thixotropic agent that are used for protective coating of routine, for example described thixotropic agent can be in nano-calcium carbonate, nano-calcium carbonate magnesium, nano barium carbonate, nano barium sulfate, nanometer calcium sulfate, aerosil and the organobentonite one or more, the size of described thixotropic agent has no particular limits, under the preferable case, the average particle diameter of described thixotropic agent is the 10-90 nanometer.
Among the present invention, described filler can play the effect of regulating impact resistance, and can reduce the cost of protective coating significantly, the filler among the present invention can be in lime carbonate, magnesiumcarbonate, barium carbonate, barium sulfate, calcium sulfate, talcum powder, kaolin, mica powder, the wollastonite one or more.
Among the present invention, described tackifier can be the various tackifier that are used for protective coating of routine, and for example, described tackifier can be polyamide resin and/or urethane resin.
Coating provided by the invention can also contain one or more in siccative, stablizer, solvent and the pigment, is benchmark with the gross weight of coating, and the content of siccative is 0-8 weight %, is preferably 0.2-5 weight %; The content of stablizer is 0-8 weight %, is preferably 0.2-5 weight %; The content of solvent is 0-25 weight %, is preferably 0.5-15 weight %; The content of pigment is 0-8 weight %, is preferably 0.1-5 weight %.
Among the present invention, described siccative can be the various siccative that are used for protective coating of routine, and for example, described siccative can be in calcium oxide (unslaked lime), calcium chloride, ferric oxide and the silica gel one or more.The main effect of siccative is the moisture that absorbs in the protective coating, prevents that protective coating from producing bubble in bake process, thereby improves the shock resistance and the outward appearance of filming.Siccative also can carry out suitable adjustment to the shock resistance that is coated with rete after the baking.
Among the present invention, described stablizer can be the used various thermo-stabilizers of PVC, for example, can be in rare earth class stablizer, lead sulfate tribasic stablizer, metallic soap class stablizer and the organic tin stablizer one or more.
Among the present invention, described solvent can be selected for use than the low-boiling organic solvent of softening agent, for example, can be to take off fragrant solvent oil series D10, D30, D40, D60, D80, D100, D110, D130, D150, D160, tasteless solvent oil serial 120#, 150#, 200#, 280#, the PVC viscosity-depression agent, tasteless kerosene, one or more in the aviation kerosene.In the protective coating bake process, the volatilized removal of most of solvent, therefore, the effect one of solvent is to reduce the viscosity of the preceding protective coating of plasticizing so that construction is the solid content that reduces protective coating on the other hand, reduces plasticizer dosage to reduce material cost.
Among the present invention, described pigment can be in carbon black, titanium dioxide, zinc white (zinc oxide), lithopone (zinc sulfide white) and the stibium trioxide (main component antimonous oxide) one or more, pigment can provide pure white color for protective coating, or the color of black, also can cover protective coating yellowing at high temperature in addition.
According to the present invention, the size of particles of described filler, siccative and pigment has no particular limits, under the limited situation, and the D of described filler, siccative and pigment
97Be 10-35 micron, D
97Be meant that the particulate particle dia accounts for 97% of particle total amount less than the 10-35 micron.
The present invention also provides the preparation method of this coating, this method comprises mixes polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier, wherein, gross weight with coating is a benchmark, the consumption of polyvinyl chloride (PVC) RESINS is 5-15 weight %, and plasticizer dosage is 10-30 weight %, and the consumption of thixotropic agent is 20-40 weight %, the consumption of filler is 15-60 weight %, and the consumption of tackifier is 0.2-3 weight %; Under the preferable case, be benchmark with the gross weight of coating, the consumption of polyvinyl chloride (PVC) RESINS is 8-13 weight %, plasticizer dosage is 22-30 weight %, the consumption of thixotropic agent is 25-35 weight %, and the consumption of filler is 30-55 weight %, and the consumption of tackifier is 0.5-2 weight %.
Described polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier have been done detailed description hereinbefore, do not repeat them here.
According to the present invention, when polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier are mixed, this method also comprises one or more in adding siccative, stablizer, solvent and the pigment, gross weight with coating is a benchmark, the consumption of siccative is 0-8 weight %, is preferably 0.2-5 weight %; The consumption of stablizer is 0-8 weight %, is preferably 0.2-5 weight %; The consumption of solvent is 0-25 weight %, is preferably 0.5-15 weight %; The consumption of pigment is 0-8 weight %, is preferably 0.1-5 weight %.
Described siccative, stablizer, pigment and solvent have been done detailed description hereinbefore, do not repeat them here.
Among the present invention, described blended condition has no particular limits, as long as the various components of coating are mixed.
Under the preferable case, the preparation method of protective coating provided by the invention comprises the steps:
(1) softening agent and tackifier are added in the dispersion bucket of twinax high-speed dispersion machine, (1000-1500 rev/min) stirred 5-10 minute at a high speed, then the stablizer that thixotropic agent, filler and selectivity are contained, siccative, solvent and pigment progressively join in the mixture of softening agent and tackifier, middling speed (500-1000 rev/min) stirred 5-10 minute, (1000-1500 rev/min) stirred 5-10 minute at a high speed again, and mixture is uniformly dispersed.
(2) polyvinyl chloride (PVC) RESINS is joined in the mixture that step (1) obtains, with low speed (100-500 rev/min) and (1000-1500 rev/min) dispersed mixture alternately at a high speed, every section jitter time is 2-5 minute, and disperseing total time is 15-20 minute.During dispersion, the temperature of sampling observation mixture remains at below 45 ℃ the temperature of mixture, as is higher than this temperature, then shuts down cooling.
(3) mixture after the step (2) is ground secondary with three roller mills.
(4) optionally, the mixture after grinding is thrown in the adjustment still with spiral pump, added appropriate solvent and low speed (50-150 rev/min) and stirred 3-5 minute, adjust viscosity, vacuumize the bubble of removing in the mixture again.
(5) optionally, filter, divide bucket packing and sealing with 120 purpose stainless steel filtering nets.
Protective coating provided by the invention can be coated on body bottom surface and baffle plate etc. by gelatin extrusion machine, is toasting more than 30 minutes the promptly curable effect that reaches protection then under 140-170 ℃ the condition.
Below by embodiment the present invention is described in more detail.
Embodiment 1
This embodiment is used to illustrate protective coating provided by the invention and preparation method thereof.
(1) 28 weight part plasticizer DOPs (Nanjing petrochemical iy produced) is added twinax high-speed dispersion machine (model: ZXJ-35, the production of Jiangsu diligent industry chemical machinery company limited) in the dispersion bucket, then with amino polymeric amide tackifier (the Cogins company of 2 weight parts, Versamid115) join in the described dispersion bucket, and 1000 rev/mins stirred 5 minutes, makes softening agent and tackifier homodisperse.
(2) with 30 weight part nano-calcium carbonate thixotropic agent (Guangdong Enping Gavin Chemical Industrial Enterprise Co., Ltd., CC-5, average particle diameter is 30 nanometers) and 30 weight part filler-calcium carbonates (wide Fujian material company, 800 orders), in the mixture that adding step (1) obtains, 800 rev/mins were disperseed 5 minutes earlier, and then high speed was disperseed 10 minutes for 1300 rev/mins, and the mixture that thixotropic agent, filler and step (1) are obtained is uniformly dispersed.
(3) PVC with 10 weight parts sticks with paste resin (model: E5/65C, Vinnolit company produces) join in the mixture that step (2) obtains, with 500 rev/mins of low speed and 1200 rev/mins dispersed mixture alternately, every section jitter time is 2 minutes, and disperseing total time is 20 minutes.The temperature of mixture is remained at below 45 ℃.
(4) mixture after the step (3) is ground two times with three roller mills (model: S-65, Jiangsu diligent industry chemical machinery company limited produces).The temperature of mixture is remained at below 45 ℃.
(5) filter with 80 purpose stainless steel filtering nets, obtain protective coating A1.
Comparative Examples 1
This Comparative Examples is used to illustrate existing protective coating.
(1) 30 weight part plasticizer DOPs (Nanjing petrochemical iy produced) is added twinax high-speed dispersion machine (model: ZXJ-35, the production of Jiangsu diligent industry chemical machinery company limited) in the dispersion bucket, then with the blocked isocyanate (model: PU-125 of 2 weight parts, Jinxi Chemical Research Institute produces) and the dimer acid type polyamide (model: Versamid115 of 2 weight parts, Cogins company produces) join in the described dispersion bucket, and 1000 rev/mins stirred homodisperse 5 minutes.
(2) with 2 weight part thixotropic agent wilkinite (models: BT838F, sky, Anji, Zhejiang dragon organobentonite company produces) and (the wide Fujian material company production of 44 weight part filler-calcium carbonates, 800 orders), in the mixture that adding step (1) obtains, 800 rev/mins were disperseed 5 minutes earlier, then high speed was disperseed 10 minutes for 1300 rev/mins, was uniformly dispersed.
(3) PVC with 10 weight parts sticks with paste resin (model: E5/65C, Vinnolit company produces) and 10 weight part PVC blending resin (models: C65V, Vinnolit company produces) join in the mixture that step (2) obtains, with 500 rev/mins of low speed and 1200 rev/mins dispersed mixture alternately, every section jitter time is 2 minutes, and disperseing total time is 20 minutes.The temperature of mixture is remained at below 45 ℃.
(4) mixture after the step (3) is ground two times with three roller mills (model: S-65, Jiangsu diligent industry chemical machinery company limited produces).The temperature of mixture is remained at below 45 ℃.
(5) filter with 80 purpose stainless steel filtering nets, obtain reference protective coating CA1.
Embodiment 2
This embodiment is used to illustrate protective coating provided by the invention and preparation method thereof.
(1) 15 weight part softening agent DINP (Nanjing petrochemical iy produced) is added twinax high-speed dispersion machine (model: ZXJ-35, the production of Jiangsu diligent industry chemical machinery company limited) in the dispersion bucket, then the urethane resin tackifier (Cogins company) with 1 weight part join in the described dispersion bucket, and 1200 rev/mins stirred 5 minutes, makes softening agent and tackifier homodisperse.
(2) with 40 weight part nano-calcium carbonate magnesium thixotropic agent (Guangdong Enping Gavin Chemical Industrial Enterprise Co., Ltd., average particle diameter is 40 nanometers) and 29 weight part filler kaolin (wide Fujian material company, 800 orders), in the mixture that adding step (1) obtains, 800 rev/mins were disperseed 5 minutes earlier, then high speed was disperseed 10 minutes for 1300 rev/mins, and the mixture that thixotropic agent, filler and step (1) are obtained is uniformly dispersed.
(3) (Vinnolit company C65V) joins in the mixture that step (2) obtains, and with 500 rev/mins of low speed and 1200 rev/mins dispersed mixture alternately, every section jitter time is 2 minutes, and disperseing total time is 20 minutes with the PVC blending resin of 15 weight parts.The temperature of mixture is remained at below 45 ℃.
(4) mixture after the step (3) is ground two times with three roller mills (model: S-65, Jiangsu diligent industry chemical machinery company limited produces).The temperature of mixture is remained at below 45 ℃.
(5) filter with 80 purpose stainless steel filtering nets, obtain protective coating A2.
Embodiment 3
This embodiment is used to illustrate protective coating provided by the invention and preparation method thereof.
(1) 20 weight part Plasticizer DBP (Nanjing petrochemical iy produced) is added twinax high-speed dispersion machine (model: ZXJ-35, the production of Jiangsu diligent industry chemical machinery company limited) in the dispersion bucket, then with amino polymeric amide tackifier (the Cogins company of 3 weight parts, Versamid115) join in the dispersion bucket, and 1200 rev/mins stirred 8 minutes, makes homodisperse.
(2) with 30 weight part nano barium carbonate calcium thixotropic agent (Guangdong Enping Gavin Chemical Industrial Enterprise Co., Ltd., average particle diameter is 60 nanometers), 3 weight part rare earth class stablizer (Guangdong Guang Yang high-tech industrial corporations, REC852A), 2 weight part siccative calcium oxide (the extraordinary calcium oxide in Qingpu, Shanghai factory) and 1 weight part carbon black and 30 weight part filler-calcium carbonates (wide Fujian material company, 800 orders), in the mixture that adding step (1) obtains, 800 rev/mins were disperseed 5 minutes earlier, then high speed was disperseed 10 minutes for 1300 rev/mins, made thixotropic agent, the mixture that filler and step (1) obtain is uniformly dispersed.
(3) PVC with 8 weight parts sticks with paste resin (model: E5/65C, Vinnolit company produces) join in the mixture that step (2) obtains, with 500 rev/mins of low speed and 1200 rev/mins dispersed mixture alternately, every section jitter time is 2 minutes, and disperseing total time is 20 minutes.The temperature of mixture is remained at below 45 ℃.
(4) (Jiangsu diligent industry chemical machinery company limited S-65) grinds two times with three roller mills with the mixture after the step (3).The temperature of mixture is remained at below 45 ℃.
(5) mixture after will grinding is thrown into spiral pump and is adjusted in the still, adds 3 weight part D80 solvents (Maoming high mountain marine chemical industry company), and 100 rev/mins were stirred 3 minutes, vacuumized the bubble of removing in the mixture again.
(5) filter with 80 purpose stainless steel filtering nets, obtain protective coating A3.
Embodiment 4
This embodiment is used to illustrate protective coating provided by the invention and preparation method thereof.
(1) 26.5 weight part softening agent DEP (Nanjing petrochemical iy produced) is added twinax high-speed dispersion machine (model: ZXJ-35, the production of Jiangsu diligent industry chemical machinery company limited) in the dispersion bucket, then with amino polymeric amide tackifier (the Cogins company of 0.5 weight part, Versamid115) join in the described dispersion bucket, and 1000 rev/mins stirred 5 minutes, makes homodisperse.
(2) with 20 weight part nano-calcium carbonate thixotropic agent (Guangdong Enping Gavin Chemical Industrial Enterprise Co., Ltd., CC-5, average particle diameter is 30 nanometers), 0.5 weight part rare earth class stablizer (Guangdong Guang Yang high-tech industrial corporation, REC852A), 0.5 weight part siccative calcium oxide (the extraordinary calcium oxide in Qingpu, Shanghai factory) and 2 weight part carbon blacks and 30 weight part filler-calcium carbonates (wide Fujian material company, 800 orders), in the mixture that adding step (1) obtains, 800 rev/mins were disperseed 5 minutes earlier, then high speed was disperseed 10 minutes for 1300 rev/mins, made thixotropic agent, the mixture that filler and step (1) obtain is uniformly dispersed.
(3) PVC with 5 weight parts sticks with paste resin (Vinnolit company, E5/65C) and PVC blending resin (the Vinnolit company of 5 weight parts, C65V) join in the mixture that step (2) obtains, with 500 rev/mins of low speed and 1200 rev/mins dispersed mixture alternately, every section jitter time is 2 minutes, and disperseing total time is 20 minutes.The temperature of mixture is remained at below 45 ℃.
(4) (Jiangsu diligent industry chemical machinery company limited S-65) grinds two times with three roller mills with the mixture after the step (3).The temperature of mixture is remained at below 45 ℃.
(5) mixture after will grinding is thrown into spiral pump and is adjusted in the still, adds 10 weight part D80 solvents (Maoming high mountain marine chemical industry company), and 100 rev/mins were stirred 3 minutes, vacuumized the bubble of removing in the mixture again.
(6) filter with 80 purpose stainless steel filtering nets, obtain protective coating A4.
Embodiment 5-8
Measure stability in storage, atomization, the sticking power of the protective coating A1-A4 that embodiment 1-4 makes by the following method and solidify after shock resistance.
(1) test of stability in storage
Is that (viscosity velocity of variation≤10%) was placed 6 months under room temperature and the conventional humidity with protective coating in temperature, observes it and whether has gel, skinning or separation phenomenon, then is stable as gel-free, skinning or separation phenomenon, otherwise is unstable.
(2) test of atomization
With high-pressure pump the car base paint is pressurized to 170-220kgf/cm
2, adopting 0.028 inch nozzle spraying, the distance that nozzle distance is sprayed plate is 100cm.Observe the width of coating at the covering of the fan of spray plate formation, width is outstanding with 0.4-0.5 rice, and 0.3 meter is qualified less than 0.4 meter extremely, is defective less than 0.3 meter.
(3) test of sticking power
Protective coating is painted the coating of 2 mm thick on the electrophoresis steel plate, 140-160 ℃ of baking half an hour, draw to ground with cutter the cooling back, parallel stroke of twice, and 5 millimeters of spacings are broken off with the fingers and thumb with hand then, according to the grade of following standard determination sticking power size:
1 grade: no adhesivity, coating does not have sticking power or very soft and separate with ground to ground;
2 grades: beginning has adhesivity, and part adheres to fracture, and coating layer portion is retained on the ground or separates;
3 grades: what enough adhesivityes, coating were almost complete stays on the ground, only has a little to tear defective;
4 grades: good adhesivity, material self are torn (interior poly-fracture).
(4) mensuration of shock resistance:
Protective coating is painted the coating of 2 mm thick on the electrophoresis steel plate, does shock test after the cooling 140-160 ℃ of baking half an hour, see whether to exist to come off or ftracture, do not have come off or cracking phenomena illustrate qualified.
The result is as shown in table 1.
Comparative Examples 2
Stability in storage, atomization, the sticking power of the reference protective coating that Comparative Examples 1 is made according to the method identical with embodiment 5-8 and solidify after shock resistance, the result is as shown in table 1.
Table 1
| The embodiment numbering | Finish code | Stability in storage | Atomization | Sticking power | Shock resistance |
| Embodiment 5 | A1 | Stable | Outstanding | 4 grades | ≥500N.CM |
| Comparative Examples 2 | CA1 | Unstable | Qualified | 4 grades | ≥550?N.CM |
| Embodiment 6 | A2 | Stable | Outstanding | 4 grades | ≥550?N.CM |
| Embodiment 7 | A3 | Stable | Outstanding | 4 grades | ≥520?N.CM |
| Embodiment 8 | A4 | Stable | Outstanding | 4 grades | ≥530?N.CM |
From the test result shown in the table 1 as can be seen, compare with the reference protective coating CA1 of Comparative Examples 1, shock resistance after the sticking power of the protective coating A1-A4 of embodiment 1-4 and the curing is suitable substantially, but the content of polyvinyl chloride (PVC) RESINS obviously reduces so the cost of the protective coating of embodiment 1-4 can reduce greatly in the composition of embodiment 1-4, in addition, the stability in storage of the protective coating of embodiment 1-4 and atomization also increase significantly.
Claims (10)
1. protective coating, this coating contains polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier, it is characterized in that, gross weight with coating is a benchmark, the content of polyvinyl chloride (PVC) RESINS is 5-15 weight %, and the content of softening agent is 10-30 weight %, and the content of thixotropic agent is 20-40 weight %, the content of filler is 15-60 weight %, and the content of tackifier is 0.2-3 weight %.
2. coating according to claim 1, wherein, gross weight with coating is a benchmark, the content of polyvinyl chloride (PVC) RESINS is 8-13 weight %, the content of softening agent is 22-30 weight %, the content of thixotropic agent is 25-35 weight %, and the content of filler is 30-55 weight %, and the content of tackifier is 0.5-2 weight %.
3. coating according to claim 1 and 2, wherein, described polyvinyl chloride (PVC) RESINS is pvc resin paste grade and/or polychloroethylene blending resin.
4. coating according to claim 1 and 2, wherein, described softening agent is one or more in dinoctyl phthalate, Di Iso Decyl Phthalate, phthalic acid dibutyl ester, diethyl phthalate, butyl benzyl phthalate, Pyromellitic Acid four different monooctyl esters, tributyl acetylcitrate, tributyl citrate, trioctyl phosphate and the diphenyl octyl phosphate.
5. coating according to claim 1 and 2, wherein, described thixotropic agent is one or more in nano-calcium carbonate, nano-calcium carbonate magnesium, nano barium carbonate, nano barium sulfate, nanometer calcium sulfate, aerosil and the organobentonite, and the average particle diameter of described thixotropic agent is the 10-90 nanometer.
6. coating according to claim 1 and 2, wherein, described filler is one or more in lime carbonate, magnesiumcarbonate, barium carbonate, barium sulfate, calcium sulfate, talcum powder, kaolin, mica powder and the wollastonite; Described tackifier are polyamide resin and/or urethane resin.
7. coating according to claim 1 and 2, wherein, this coating also contains siccative, stablizer, solvent and pigment, gross weight with coating is a benchmark, the content of siccative is 0.2-5 weight %, the content of stablizer is 0.2-5 weight %, and the content of solvent is 0.5-15 weight %, and the content of pigment is 0.1-5 weight %.
8. the preparation method of the described coating of claim 1, this method comprises mixes polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier, it is characterized in that, gross weight with coating is a benchmark, the consumption of polyvinyl chloride (PVC) RESINS is 5-15 weight %, and plasticizer dosage is 10-30 weight %, and the consumption of thixotropic agent is 20-40 weight %, the consumption of filler is 15-60 weight %, and the consumption of tackifier is 0.2-3 weight %.
9. method according to claim 8, wherein, gross weight with coating is a benchmark, the consumption of polyvinyl chloride (PVC) RESINS is 8-13 weight %, plasticizer dosage is 22-30 weight %, the consumption of thixotropic agent is 25-35 weight %, and the consumption of filler is 30-55 weight %, and the consumption of tackifier is 0.5-2 weight %.
10. according to Claim 8 or 9 described methods, wherein, when polyvinyl chloride (PVC) RESINS, softening agent, thixotropic agent, filler and tackifier are mixed, this method also comprises adding siccative, stablizer, solvent and pigment, gross weight with coating is a benchmark, and the consumption of siccative is 0.2-5 weight %, and the consumption of stablizer is 0.2-5 weight %, the consumption of solvent is 0.5-15 weight %, and the consumption of pigment is 0.1-5 weight %.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101660530A CN101423685B (en) | 2007-10-30 | 2007-10-30 | Protective coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101660530A CN101423685B (en) | 2007-10-30 | 2007-10-30 | Protective coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101423685A CN101423685A (en) | 2009-05-06 |
| CN101423685B true CN101423685B (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101660530A Expired - Fee Related CN101423685B (en) | 2007-10-30 | 2007-10-30 | Protective coating and preparation method thereof |
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| CN (1) | CN101423685B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608102B (en) * | 2009-07-06 | 2011-06-22 | 华南理工大学 | PVC resin adhesive for ceramics and preparation method thereof |
| CN101851858B (en) * | 2010-06-30 | 2012-03-28 | 天津横通工贸发展有限公司 | Coating used for plain weaving screen window |
| CN103333560A (en) * | 2013-06-13 | 2013-10-02 | 常熟市九洲电器设备有限公司 | Anti-aging polyvinyl chloride electrical appliance insulating paint |
| CN104889041B (en) * | 2014-03-05 | 2017-04-26 | 浙江吉利汽车有限公司 | Vehicle PVC sealant coating process |
| CN104987772A (en) * | 2015-06-25 | 2015-10-21 | 孙光英 | Printing slurry |
| CN105505025A (en) * | 2015-12-21 | 2016-04-20 | 保定市金月美工贸有限公司 | Foaming type priming coat protective adhesive |
| CN106010097A (en) * | 2016-06-02 | 2016-10-12 | 刘玉 | Antibacterial and lasting iron oxide red anticorrosive paint and making method thereof |
| CN107286717A (en) * | 2017-07-20 | 2017-10-24 | 启东镭尚机电有限公司 | A kind of plant equipment shell protection coating |
| CN107722686A (en) * | 2017-10-11 | 2018-02-23 | 阜南县大自然工艺品有限公司 | A kind of anti-aging paint for wicker products |
| CN107744929B (en) * | 2017-10-31 | 2020-09-25 | 东风小康汽车有限公司重庆分公司 | 3C1B coating process |
| CN114921137A (en) * | 2022-03-14 | 2022-08-19 | 安徽西格尔涂料科技有限公司 | Water-based single-component PP primer-topcoat paint and preparation and use methods thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548487A (en) * | 2003-05-12 | 2004-11-24 | 上海依多科化工有限公司 | Vehicle protecting paint capable of being painted to wet surface |
| CN1696218A (en) * | 2004-05-14 | 2005-11-16 | 上海依多科化工有限公司 | Low-density sprayable protection coating in use for vehicle and prepn. process |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548487A (en) * | 2003-05-12 | 2004-11-24 | 上海依多科化工有限公司 | Vehicle protecting paint capable of being painted to wet surface |
| CN1696218A (en) * | 2004-05-14 | 2005-11-16 | 上海依多科化工有限公司 | Low-density sprayable protection coating in use for vehicle and prepn. process |
Non-Patent Citations (1)
| Title |
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| JP特开2001-40270A 2001.02.13 |
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| CN101423685A (en) | 2009-05-06 |
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Effective date of registration: 20191226 Address after: 314411 Jianshe East Road, Guodian, Yanguan Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Haining Yanguan Industrial Investment Co., Ltd Address before: 518119 BYD Industrial Park, Yanan Road, Kwai Chung Town, Longgang District, Guangdong, Shenzhen Patentee before: Biyadi Co., Ltd. |
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