CN1858144A - Polishing composition and polished product - Google Patents
Polishing composition and polished product Download PDFInfo
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- CN1858144A CN1858144A CN 200510071421 CN200510071421A CN1858144A CN 1858144 A CN1858144 A CN 1858144A CN 200510071421 CN200510071421 CN 200510071421 CN 200510071421 A CN200510071421 A CN 200510071421A CN 1858144 A CN1858144 A CN 1858144A
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Abstract
One kind of polishing composition for surface coating is disclosed. The polishing composition includes wax, siloxane resin and solvent, and features that the polishing composition contains fluoric thermoplastic polymer in 1-10 wt%. The fluoric thermoplastic polymer has viscosity of 10-100 mPa .s, density of 1.00-3.00 g/cu cm and smelting point of 50-300 deg.c.
Description
Technical field
The present invention relates to the polishing composition of a kind of top coat (for example paint film), after the said composition polishing, on top coat, form layer protecting film, thereby make polished surface exempt from for example disadvantageous effect of rain drop erosion, ultraviolet ray ageing etc.The invention still further relates to the goods that have the protective membrane that forms by this polishing composition.
Background technology
The goods that have coated surface, for example automobile, outdoor metal billboard etc. can take place to wear out under UV-light and weakly acidic rainwater effect through its top coat after the long-term outdoor use, thereby tarnish.In addition,, often need to clean keeping cleaning surfaces the friction of cleaning cloth or sponge its top coat that also can wear and tear during cleaning for the goods of for example automobile and so on.
In order to prevent or to delay the aging of top coat and reduce wear, on the coatingsurface of for example automobile, form one deck glaze protective layer usually and protect described coating to exempt from the erosion of UV-light and slightly acidic rainwater and the wearing and tearing when for example cleaning.
The coating composition that is used to form the glaze protective layer at present mainly contains wax, silicone oil/silicone resin and solvent.Though this coating composition has played the effect of protection top coat, its weather resistance is relatively poor.Therefore, still need to develop coating composition with improved weather resistance.
The content of invention
The purpose of this invention is to provide a kind of polishing composition that is used for top coat, it comprises wax, silicone resin, solvent and optional additive, it is characterized in that, by 100 weight part said components, it also comprises the fluorine-containing thermoplastic polymer of 1-10 weight %, the viscosity of described fluorine-containing thermoplastic polymer is 10-100mPas, and density is 1.00-3.00g/cm
3, fusing point is 50-300 ℃.
Another object of the present invention provides a kind of goods that have the protective membrane of present composition formation.
Embodiment
Illustrate in greater detail the present invention below in conjunction with specific examples.
1. fluorine-containing thermoplastic polymer
In the present composition, fluorine-containing thermoplastic polymer is used to improve the weather resistance of the protective membrane that forms on top coat after the said composition polishing, also is used to improve the slickness of the protective membrane of formation.
In a better example of the present invention, describedly be applicable to that fluorine-containing thermoplastic polymer of the present invention is selected from polymkeric substance or its multipolymer of tetrafluoroethylene (TFE), R 1216 (HFP) and vinylidene fluoride (VDF).The viscosity of this fluorine-containing thermoplastic polymer is 10-100mPas, is preferably 20-100mPas, more preferably 20-76mPas; Its density is 1.00-3.00g/cm3, is preferably 1.10-2.50g/cm3, more preferably 1.2-1.4g/cm3; Fusing point is 50-300 ℃, is preferably 140-240 ℃, more preferably 160-240 ℃.
Be applicable to that fluorine-containing thermoplastic polymer of the present invention can make with the method for routine is synthetic, for example, methods such as the aqueous phase emulsion polymerization of its available routine, suspension polymerization make; Also be commercially available.For example it can Dyneon
TMTHV 340C, Dyneon
TMTHV 510D and Dyneon
TMThe trade(brand)name of THV 810CX is available from Minnesota Mining and Manufacturing Company.
In the present composition, be 100 weight parts in the total amount of wax, silicone resin, solvent and optional binder component, the consumption of described fluorine-containing thermoplastic polymer is 1-10 weight %, is preferably 3-6 weight %.
2. wax
The present composition contains wax.The wax that is applicable to polishing composition of the present invention is without particular limitation, and it is this area wax commonly used.This wax component can be natural or synthetic, viscosity or the solid heat-sensitive materials.It mainly is made up of high-molecular-weight hydrocarbons or fatty acid ester, and it is water insoluble, but dissolves in most of organic solvents.
In the present composition, described wax component provides the required hardness of polishing, polishes performance and feel.And be used to make polishing composition " to capture " solvent, be about to solvent and be clamped in the wax phase, so that polish the no striped of varnish formation high glossiness or the glazed surface of stain.
In the present composition, described wax component can be the blend of two or more different waxes.The indefiniteness example of the wax that is suitable for has for example synthetic wax; Natural wax is as animal or plant wax, mineral wax and micritization thereof, oxidation or chemical modification product.
The example of animal wax comprises spermaceti, beeswax, wool wax, Chinese insect wax and shellac wax.The example of vegetable wax comprises carnauba wax, gama wax, palm wax, wax bayberry, jojoba wax, sugar-cane wax, rice bran wax, flax wax, peat wax, Japan tallow, ouricury wax and ceresine.
The example of synthetic wax comprises ethylene linkage polymer poly ether-ether and chlorinated naphthalene etc.
The example of mineral wax comprises paraffin (deriving to the straight chain hydrocarbon with 26-30 carbon atom), polyethylene, montanin wax, ozocerite, Vaseline etc.
In a better example of the present invention, described wax is natural carnauba wax, and it can be C
24-28The ester of lipid acid, C
32-34Straight chain alcohol, ω-alcohol acid (HO (CH
2)
xCOOH, x=17-29) and the α of a spot of esterification, omega-diol (HO (CH
2)
yOH, y=22 to 28) mixture.
In the present composition, described wax components contents is conventional content.In a better example of the present invention, the amount of described wax component accounts for the 1-10 weight % of the gross weight of component except that described fluoropolymer, is preferably 2-6 weight %.
3. solvent
Polishing composition of the present invention also contains solvent, is used for dissolving wax, so that form easily by the clear solution of emulsifying water.Use solvent also to help in polishing process, to dissolve and remove attached to a small amount of road bitumen and greasy dirt on the top coat.Therefore, solvent also plays sanitising agent.
The solvent that is applicable to the present composition can be the solvent of this area routine, and its indefiniteness example has aliphatic hydrocarbon, as mineral oil, naphtha, Stoddard solvent, kerosene, limonene, silicone resin and fluorine-containing thermoplastic polymer; Alicyclic hydrocarbon; Aromatic hydrocarbon, for example toluene or dimethylbenzene; Terpenes, for example pine tar and turps.
In the present composition, the consumption of solvent can be the amount of any routine.In a better example of the present invention, the content of described solvent accounts for the 10-60 weight % of the gross weight of component except that described fluoropolymer, is preferably 30-50 weight %.
4. silicone resin
Also can contain silicone resin in polishing composition of the present invention, it helps polishing as lubricant.Described silicone resin is without particular limitation, can be this area any silicone resin commonly used.In a better example of the present invention, described silicone resin comprises that general formula is (CH
3)
3SiO[SiO (CH
3)
2]
nSi (CH
3)
3Polydimethylsiloxane, its viscosity is preferably 50-100,000 centistoke, 100-30 more preferably, 000 centistoke.In another example of the present invention, the polydimethylsiloxane that uses amino methoxy functional is as described silicone resin component, and it utilizes amino high polarity to improve the adhesivity of protective membrane on coated surface.
In the present composition, the content of described silicone resin accounts for the 10-40 weight % of the gross weight of component except that described fluoropolymer, is preferably 20-35 weight %.
5. other component
In polishing composition of the present invention, also can contain other component, for example abrasive material, grinding aid, perfume compound, fire retardant, ultraviolet absorption are released agent, sanitas etc.
The abrasive material that is applicable to the present composition can be this area abrasive material commonly used, and its indefiniteness example has for example aluminum oxide, silicate, clay, soft silica, crystalline silica, float stone, garnet and microcrystalline silica.It better is amorphous aluminum silicate.In a better example of the present invention, the median particle diameter of described abrasive material is the 0.5-5 micron.
In the present composition, describedly be selected from the 0-20 weight % that at least a content of additive in abrasive material, grinding aid, perfume compound, fire retardant, ultraviolet absorbers, the sanitas etc. accounts for the gross weight of component except that described fluoropolymer, be preferably 0-10 weight %.
During use, polishing composition of the present invention can be made the form of water miscible liquid.For example can in polishing composition of the present invention, add entry, form emulsion behind the uniform mixing.The add-on of water depends on the concentration of required emulsion.After having read content disclosed by the invention, those of ordinary skill in the art can easily determine suitable water add-on in conjunction with end-use.
Polishing composition of the present invention can make with any method known in the art.In a better example of the present invention, wax, solvent and silicone resin liquid are added low speed mixing in the mixing tank, simultaneously temperature is increased to the melt temperature of wax, after forming clear solution, stop heating; Other component with the present composition adds in the entry abreast, is heated to about 40-70 ℃, the clear wax solution that makes above adding under the high stirring velocity of about 500-1000rpm subsequently.When keeping this stirring velocity, temperature is cooled to room temperature, obtains uniform emulsion.
Use the present composition advantageously to polish to top coat.Left over layer protecting film on the top coat after the polishing, this protective membrane can protect described coating to exempt from for example erosion of slightly acidic rainwater and UV-light for a long time.
Further specify the present invention below in conjunction with embodiment.
Embodiment
The performance of the fluorine-containing thermoplastic-polymer solution that uses in the following example is as follows:
Fluoropolymer solution A: available from the fluorine-containing thermoplastic-polymer solution of DyneonTM THV 340C of Minnesota Mining and Manufacturing Company, it is a kind of 49-51 of containing weight %HFP/VDF/TFE multipolymer, 47-49 weight % water and the lauric solution of 0-3 weight %.The viscosity that described multipolymer records according to DIN 54453 is 76mPas (D=210s
-1); The fusing point that records according to ASTM D 4591 is 145 ℃; The density that records according to ASTM 1298 is 1.32g/cm
3
Fluoropolymer solution B: available from the Dyneon of Minnesota Mining and Manufacturing Company
TMThe fluorine-containing thermoplastic-polymer solution of THV 510D, it is the solution of a kind of 29-34 of containing weight %HFP/VDF/TFE multipolymer, 66-71 weight % water.The viscosity that described multipolymer records according to DIN 54453 is 21mPas (D=210s
-1); The fusing point that records according to ASTM D 4591 is 165 ℃; The density that records according to ASTM 1298 is 1.21g/cm
3
Fluoropolymer solution C: available from the Dyneon of Minnesota Mining and Manufacturing Company
TMThe fluorine-containing thermoplastic-polymer solution of THV 810CX, it is the solution of the alkylphenol of a kind of 45-55 of containing weight %HFP/VDF/TFE multipolymer, 40-50 weight % water and 0-6 weight % ethoxylation.Described multipolymer according to the viscosity that DIN54453 records is≤100mPa.s (D=210s
-1); The fusing point that records according to ASTM D 4591 is 239 ℃; The density that records according to ASTM 1298 is 1.15g/cm
3
Embodiment 1
Present embodiment comparison polishing composition of the present invention is in the weather resistance of the protective membrane that forms on the polished surface coating
1. preparation polishing composition
Press the described composition of table 1 with mixing with the 200-300RPM rotating speed in wax, solvent and the silicone resin liquid adding stirring tank, simultaneously temperature is increased to the melt temperature of wax, after forming clear solution, stop heating; Other abreast that table 1 is listed component adds in the entry, is heated to about 40-70 ℃, the clear wax solution that makes above adding under the high stirring velocity of about 500-1000RPM subsequently.When keeping this stirring velocity, temperature is cooled to room temperature, obtains uniform emulsion.
Table 1
| Component | Sample 1 (weight part) | Sample 2 (weight part) | Sample 3 (weight part) | Sample 4 (weight part) |
| Fluoropolymer solution A | -- | 4 | -- | -- |
| Fluoropolymer solution B | -- | -- | 4 | -- |
| Fluoropolymer solution C | -- | -- | -- | 4 |
| Carnauba wax | 2 | 2 | 2 | 2 |
| Petroleum naphtha | 20 | 20 | 20 | 20 |
| Polydimethylsiloxane (1) | 5 | 5 | 5 | 5 |
| Amino polydimethylsiloxane (2) | 10 | 10 | 10 | 10 |
| Abrasive [3] | 7 | 7 | 7 | 7 |
| Demineralised water | 56 | 52 | 52 | 52 |
(1): this polydimethylsiloxane has general formula (CH
3)
3SiO[SiO (CH
3)
2]
10Si (CH
3)
3
(2): this amino polydimethylsiloxane has general formula CH
3Si (CH
3)
2[SiO (CH
3)
2]
m[SiO (CH
3) (CH
2)
3NHCH
2CH
2NH
2]
nOCH
3(M mean value is 60; N mean value is 1);
(3): amorphous aluminum silicate, median particle diameter are 1 micron.
2. endurance test
Get a test board that is coated with the black polyurethane automobile finish, with 3M car cleaning soap (PN 36077,10% aqueous solution) washes clean, and dry.On this test board, apply the described polishing composition of table 1 with following method:
On each test board, smear polishing composition with 3M non-woven automotive rag, make it dry about 20 minutes, wipe the exsiccant polishing composition, and it is smooth and bright to be polished to coatingsurface with the 3M non-woven automotive rag that another piece is clean.With JC2000A contact angle/interfacial test instrument (quiet contact angle of JC2000A/interfacial tension survey meter, available from Shanghai Zhongchen digital technology equipment Co., Ltd) distributing on 10 of same test board different positions drips the deionized water drop of about 2 microlitres, records contact angle.Its arithmetical av is listed in table 2.
Test board after measuring is carried out following washing test:
With 3M car cleaning soap (PN 36077 Car Wash Soap, 10% aqueous solution) soak into 3M non-woven automotive rag, this rag is installed in Abrasion Tester (BYK-Gardner abrasion tester 115VAC, available from BYK-Gardner USA Company) on, test board is fixed under the automobile rag.Under 3.6 kilograms of loads, make rag rub(bing)test plate surface back and forth, totally 40 times.With deionized water rinsing after 20 seconds, dry and measure contact angle with aforesaid method, the results are shown in table 2.
Table 2
| Sample | Contact angle before the polishing back is cleaned | Contact angle after the cleaning |
| 1 | 97.3° | 37.7° |
| 2 | 97.0° | 77.0° |
| 3 | 98.0° | 82.0° |
| 4 | 97.1° | 90.0° |
By above-mentioned test-results as seen, add the scrub resistance that fluorine-containing thermoplastic polymer can improve the protective membrane of polishing formation in the polishing composition of the present invention, thereby can protect top coat to exempt from for example erosion of UV-light, slightly acidic rainwater muchly.
Embodiment 2
Present embodiment compares the polishing effect of polishing composition of the present invention and existing buffing wax.
1. preparation polishing composition
By the described polishing composition that makes of table 3:
Table 3
| Component | Weight % |
| 3 type carnauba waxs | 0.96 |
| Microcrystalline Wax GK | 0.96 |
| Exxsol D40 (1) | 18.27 |
| TEGO Polishing additive (2) | 9.62 |
| DC 200 siloxane fluid/100cst (3) | 4.81 |
| DC 536 fluids (4) | 1.92 |
| Fluoropolymer solution C | 3.85 |
| Deionized water | 55.57 |
| Rohm & Haas Primal TM AC-261 (5) | 3.85 |
| Methyl Baraben (6) | 0.2％ |
(1) a kind of hydrocarbon solvent is available from Mobil Oil Corp.;
(2) a kind of aminoalkyl group silicone emulsifiers, available from Goldschmidt Industrial ChemicalCorporation:
(3) a kind of aminoalkoxy dimethyl polysiloxane is available from Dow Corning Chemical, inc.;
(4) a kind of aminoalkoxy dimethyl polysiloxane is available from Dow Corning Chemical, inc.;
(5) a kind of pure-acrylic emulsion polymkeric substance is available from Rohm﹠amp; Haas Company;
(6) a kind of sanitas is available from Shanghai higher-dimension Industrial Co., Ltd..
2. testing surface glossiness and contact angle
Make test board and polish with the method identical, but polishing uses is listed polishing composition of the present invention of table 3 and the commercially available Glassplexin that contains with embodiment 1
Light automobile finish sealing-in wax.With the miniature vancometer of BYK-(the miniature multi-angle glossmeter of A-4430, available from BYK-Gardner USA Company) measure its glossiness, and measure its contact angle with embodiment 1 described method to deionized water and n-hexadecane, and the cleaning test later deionized water and the contact angle of n-hexadecane.The results are shown in table 4.
Table 4
| Embodiment 2 | Light automobile finish sealing-in wax | |
| 60 ° of glossiness | 92.1 | 92.5 |
| Water contact angle | 103.75° | 100.25° |
| Cleaning back water contact angle | 81.0° | 59.5° |
| The n-hexadecane contact angle | 25.0° | 19.5° |
| Cleaning back n-hexadecane contact angle | 23.0° | 14.75° |
As seen the effect of polishing composition of the present invention reaches the polishing effect of commercially available buffing wax substantially by top, but it forms more competent protective membrane.
Under the situation of the scope that does not depart from claims, those of ordinary skill in the art can carry out various changes and modifications to the present invention.Scope of the present invention comprises this changes and improvements.
Claims (10)
1. polishing composition that is used for top coat, it comprises wax, silicone resin and solvent, it is characterized in that, by the described polishing composition of 100 weight parts, it also comprises the fluorine-containing thermoplastic polymer of 1-10 weight %, the viscosity of described fluorine-containing thermoplastic polymer is 10-100mPas, and density is 1.00-3.00g/cm
3, fusing point is 50-300 ℃.
2. polishing composition as claimed in claim 1 is characterized in that described fluorine-containing thermoplastic polymer is selected from the polymkeric substance and the multipolymer thereof of tetrafluoroethylene, R 1216, vinylidene fluoride.
3. polishing composition as claimed in claim 1 or 2, the viscosity that it is characterized in that described fluorine-containing thermoplastic polymer are that 20-100Pas, density are 1.10-2.50g/cm
3, fusing point is 140-240 ℃.
4. polishing composition as claimed in claim 1 or 2 is characterized in that described composition contains at least a additive in abrasive material, grinding aid, perfume compound, fire retardant, UV-light thinner, the sanitas that is selected from of the solvent of the silicone resin of the wax of 1-10 weight %, 10-40 weight %, 10-60 weight % and 0-20 weight %.
5. polishing composition as claimed in claim 4 is characterized in that described composition contains at least a additive in abrasive material, grinding aid, perfume compound, fire retardant, UV-light thinner, the sanitas that is selected from of the solvent of the silicone resin of the wax of 30-50 weight %, 20-35 weight %, 30-50 weight % and 0-20 weight %.
6. polishing composition as claimed in claim 1 or 2, the content that it is characterized in that described fluorine-containing thermoplastic polymer are 3-6 weight %.
7. polishing composition as claimed in claim 6 is characterized in that described fluorine-containing thermoplastic polymer comprises the multipolymer of R 1216/vinylidene/tetrafluoroethylene.
8. polishing composition as claimed in claim 1 or 2 is characterized in that described composition also contains water.
9. goods with each described polishing composition polishing among the claim 1-8.
10. goods as claimed in claim 9 is characterized in that described goods are selected from automobile, outdoor billboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100714214A CN100532491C (en) | 2005-05-08 | 2005-05-08 | Polishing composition and polished product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100714214A CN100532491C (en) | 2005-05-08 | 2005-05-08 | Polishing composition and polished product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1858144A true CN1858144A (en) | 2006-11-08 |
| CN100532491C CN100532491C (en) | 2009-08-26 |
Family
ID=37297102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100714214A Active CN100532491C (en) | 2005-05-08 | 2005-05-08 | Polishing composition and polished product |
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| Country | Link |
|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176409A (en) * | 2015-10-23 | 2015-12-23 | 高大元 | Preparation method of automobile surface polishing agent |
| CN107384219A (en) * | 2017-08-10 | 2017-11-24 | 中国科学院长春应用化学研究所 | A kind of automobile finish polishing agent and preparation method thereof |
-
2005
- 2005-05-08 CN CNB2005100714214A patent/CN100532491C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176409A (en) * | 2015-10-23 | 2015-12-23 | 高大元 | Preparation method of automobile surface polishing agent |
| CN107384219A (en) * | 2017-08-10 | 2017-11-24 | 中国科学院长春应用化学研究所 | A kind of automobile finish polishing agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100532491C (en) | 2009-08-26 |
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