CN103694872B - A kind of aqueous Stripable paint compositions - Google Patents
A kind of aqueous Stripable paint compositions Download PDFInfo
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- CN103694872B CN103694872B CN201210373391.2A CN201210373391A CN103694872B CN 103694872 B CN103694872 B CN 103694872B CN 201210373391 A CN201210373391 A CN 201210373391A CN 103694872 B CN103694872 B CN 103694872B
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- aliphatic
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- paint compositions
- stripable paint
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- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 239000003973 paint Substances 0.000 title claims abstract description 29
- 239000006185 dispersion Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000008199 coating composition Substances 0.000 claims abstract description 28
- 229920003232 aliphatic polyester Polymers 0.000 claims abstract description 26
- 229920003015 aliphatic polyurethane dispersion Polymers 0.000 claims abstract description 20
- 229920002635 polyurethane Polymers 0.000 claims description 21
- 239000004814 polyurethane Substances 0.000 claims description 21
- 125000001931 aliphatic group Chemical group 0.000 claims description 17
- 239000002562 thickening agent Substances 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 10
- 239000013530 defoamer Substances 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 6
- -1 aliphatic anion Chemical class 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 125000000304 alkynyl group Chemical group 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000004017 vitrification Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 2
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 2
- 235000005956 Cosmos caudatus Nutrition 0.000 claims description 2
- 244000293323 Cosmos caudatus Species 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical compound O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 claims description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 125000005313 fatty acid group Chemical group 0.000 claims 1
- 238000001802 infusion Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 29
- 238000000576 coating method Methods 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 10
- 238000002360 preparation method Methods 0.000 abstract description 9
- 239000002253 acid Substances 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract description 5
- 239000004568 cement Substances 0.000 abstract description 4
- 238000003618 dip coating Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 11
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 9
- 229910021641 deionized water Inorganic materials 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 239000011253 protective coating Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000000686 essence Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000122205 Chamaeleonidae Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004908 Emulsion polymer Substances 0.000 description 1
- 101000608734 Helianthus annuus 11 kDa late embryogenesis abundant protein Proteins 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920003009 polyurethane dispersion Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention provides a kind of aqueous Stripable paint compositions, this coating composition contains aliphatic polyurethane dispersion, aliphatic poly ester dispersion, coalescents and water, aliphatic polyurethane dispersion relative to 100 weight portions, the content of described aliphatic poly ester dispersion is 10 40 weight portions, the content of described coalescents is 10 25 weight portions, and the content of described water is 5 10 weight portions.The film layer of preparation has good water-fast, acid and alkali-resistance and weather resistance, stripping performance is good, can large area entirety peel off, may be used for the provisional protection of product and parts, and the flexility of film is good, be processed further (as CNC, polish, washing etc.) time paint film property good without impact, the coating that simultaneously prepared by the coating composition of the present invention can be applied on the base materials such as plastic cement, metal, glass, coating can pass through dip-coating, brush and the simple process such as spraying is attached on base material, technique is simply easily achieved, and environmental friendliness.
Description
Technical field
The present invention relates to a kind of aqueous Stripable paint compositions.
Background technology
Strippable protective coating as a kind of temporary protective coating can avoid equipment, parts etc. transport, storage and
Assembling process is scratched, damages, weares and teares, pollutes or is produced by the corrosion function of microorganism, greasy dirt, salt fog, moisture etc.
Electrochemical corrosion and chemical attack, make equipment surface fracture, hydraulic performance decline, even lost efficacy and scrap, thus extend equipment and use
Life-span or raising product yield.Stripable paint due to its excellent performance have premium properties and be widely used in electronics, automobile,
The fields such as machinery, building, medical treatment.But it is along with the development of technology, more and more higher to the performance of peelable protective coating, particularly
At electronic applications, for avoiding parts are processed further (such as CNC, polish, washing etc.) and cause product to scratch, need
A kind of pliability and the suitable peelable protective coating of adhesion property.
Existing disclosed just like patent CN02822399, a kind of aqueous coating agent as Stripable paint, comprise 48-88
At least one aqueous emulsion polymer of weight %, one or more of 2-20 weight % are used as the polymer dispersion of abrasive media
Nertralizer that body, at least one pigment of 10-50 weight %, and selectivity contain, auxiliary agent, additive etc., wherein, disclose one
Planting or the multiple polymeric dispersions as abrasive media is aqueous twice dispersing body, preferably without solvent, example can be
Acrylic resin, alkyd resin, epoxy resin, polyester resin and polyurethane resin, specifically disclosed have no-solvent polyurethane-poly-
Crylic acid ester mixture dispersion, solvent-free dispersions of polyurethanes be (the most relatively hard and relatively soft polyurethane
Combination), but the pliability of film for preparing of the method and stripping performance be not suitable for being processed further.Also just like patent
The water-based paint compositions of a CN201010592499 strippable coating protecting film, including synthetic resin emulsion (60-90 part), attached
Put forth effort regulator (1-3 part), color stuffing (5-10 part), defoamer (0.5-1.5 part), dispersant (0.3-1.2 part), thickening agent
(1.0-3.0 part), preservative (0.02-0.1 part), ethanol (7-15 part), deionized water (7-15 part), synthetic resin emulsion uses
Hard emulsion and soft emulsion compounding, but the film layer resistance to water prepared of said composition and solvent resistance are undesirable, and above-mentioned coating
The pliability of coating prepared by compositions and adhesiveness not up to desirable, be not suitable for being processed further, as in CNC process
Middle existence plays lousiness, crimping during polishing, the problem such as the most water-fastness.
Summary of the invention
The present invention is to solve pliability and the adhesion of film layer prepared by the aqueous Stripable paint compositions of prior art
The technical problem that property is undesirable, it is provided that one can prepare pliability and adhesiveness is good, acidproof, alkaline-resisting, water-fast, heat-resisting and ageing-resistant
The aqueous Stripable paint compositions of the film layer that excellent performance is easily peeled simultaneously.
The invention aims to provide a kind of aqueous Stripable paint compositions, this coating composition contains aliphatic
Dispersions of polyurethanes, aliphatic poly ester dispersion, coalescents and water, disperse relative to the aliphatic polyurethane of 100 weight portions
Body, the content of described aliphatic poly ester dispersion is 10-40 weight portion, and the content of described coalescents is 10-25 weight portion, institute
The content stating water is 5-10 weight portion.
The aqueous each Substance Interactions of Stripable paint compositions of the present invention, containing special ratios individually defined thing of the present invention
Film layer prepared by the coating composition of matter kind has good water-fast, acid and alkali-resistance and weather resistance, and stripping performance is good, can be big
Area entirety is peeled off, and may be used for the provisional protection of product and parts, and the flexility of film is good, be processed further (as
CNC, polish, washing etc.) time paint film property good without impact, the coating that simultaneously prepared by the coating composition of the present invention can be applied
On the base materials such as plastic cement, metal, glass, coating can pass through dip-coating, brush and the simple process such as spraying is attached on base material, technique
Simply it is easily achieved, and environmental friendliness.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below to this
Invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
The present invention provides a kind of aqueous Stripable paint compositions, and this coating composition contains aliphatic polyurethane dispersion
Body, aliphatic poly ester dispersion, coalescents and water, relative to the aliphatic polyurethane dispersion of 100 weight portions, described fat
The content of adoption ester dispersion is 10-40 weight portion, and the content of described coalescents is 10-25 weight portion, the content of described water
For 5-10 weight portion, the film layer pliability of preparation and adhesiveness are good, and acidproof, alkaline-resisting, water-fast, heat-resisting and ageing-resistant performance is excellent same
Time be easily peeled.
Preferably, relative to the aliphatic polyurethane dispersion of 100 weight portions, the content of described aliphatic poly ester dispersion is
15-30 weight portion, the content of described coalescents is 10-25 weight portion, and the content of described water is 5-10 weight portion.
Wherein, aliphatic polyurethane dispersion refers to aliphatic polyurathane emulsion, is by aliphatic polyurethane granule and water group
The uniform particle suspension liquid become, general solid content is 34wt%-45wt%.Preferably, aliphatic polyurethane dispersion is for containing just
The aliphatic anion fatty acid modified polyurethane dispersion of property structure, itself and other material phase interactions in coating composition
With, improve the hardness of film layer.Wherein, rigid structure refer generally to can not the group of Bending Rotation, such as circulus, alkynyl
Deng, the preferred rigid structure of the present invention contains ring-type knot selected from the group containing circulus and/or alkynyl, i.e. aliphatic polyurethane
Structure and/or alkynyl, circulus can be three-membered ring, four-membered ring, five-membered ring or hexatomic ring etc., further preferably, aliphatic poly
Urethane structure contains the group of circulus.
Preferably, in fat race dispersions of polyurethanes, the number-average molecular weight of aliphatic polyurethane is more than 50000, aliphatic polyurethane
Vitrification point less than 50 DEG C, more preferably 20-45 DEG C.Preferably, aliphatic poly ammonia in aliphatic polyurethane dispersion
The mean particle size of ester is 50-200nm.Aliphatic polyurethane is the dispersion present invention can also be commercially available, such as, visit
The UH2593/1 of ear, Yantai ten thousand China Lacper 4110, Lacper 4210 etc..
Wherein, aliphatic poly ester dispersion refers to aliphatic polyester emulsion, by aliphatic polyester granule and water form equal
Even particle suspension liquid, general solid content is 35wt%-45wt%.Preferably, aliphatic poly ester dispersion is containing backbone
Aliphatic anionic polyester dispersion, itself and other matter interactions in coating composition, improve the pliability of film layer.
Wherein, backbone is preferably-(C-C)n-, i.e. aliphatic polyester contains-(C-C)n-long-chain linear macromolecular structure, wherein, n is
Integer more than 10.Preferably, the number-average molecular weight of the aliphatic polyester in aliphatic poly ester dispersion is more than 30000, aliphatic
The vitrification point of polyester is less than 50 DEG C, more preferably 10-30 DEG C, it is preferable that aliphatic polyester is air dry film-forming type fat
Adoption ester.Aliphatic poly is the ester dispersion present invention can be commercially available, the UH240 of such as Bayer, Yantai ten thousand China Tekspro
7350 etc..
Coalescents is the present invention do not limit, the various coalescents that can be known to the skilled person, the present invention
Preferably one or more in butyl glycol ether, propylene glycol monomethyl ether or dipropylene glycol methyl ether of coalescents.
In order to improve the viscosity of coating, the mobile performance of adjusting coating, improves the performance that can be coated of coating, preferred coatings group
Compound is possibly together with thickening agent, and thickening agent is the present invention do not limit, the various thickening agents that can be known to the skilled person, excellent
Select one or more that thickening agent is selected from polyurethane thickener, carboxycellulose, polyvinyl alcohol or acrylic compounds, thickening agent
The present invention can be commercially available, and ViscoPlus 3030, TEGO company that such as TEGO company produces produce
ViscoPlus 3060 etc..Relative to the aliphatic polyurethane dispersion of 100 weight portions, the content of described thickening agent is 0.1-1
Weight portion, more preferably 0.2-0.8 weight portion.
In order to improve painting effect and the product quality of coating composition, it is preferable that coating composition is possibly together with defoamer, excellent
Choosing, defoamer is selected from polyether silicone copolymer emulsion and/or polymethyl siloxane copolymer emulsion, and the defoamer present invention can pass through
Being commercially available, Foamex 825, TEGO company that the Foamex 800 of such as TEGO company production, TEGO company produce are raw
The Foamex 855 etc. produced.Relative to the aliphatic polyurethane dispersion of 100 weight portions, the content of described defoamer is 0.2-1
Weight portion, more preferably 0.2-0.8 weight portion.
Coating composition also can add various auxiliary agents, such as pigment, levelling agent etc. according to practical situation, preferably comprise face
Material, pigment one or several in white carbon black, titanium dioxide, pearl essence, Margarita powder, aluminium paste, silver slurry, AZOpigments or phthalocyanine color
Kind.The pigment present invention can be commercially available, 1533,1541,7005s and 1441 that such as Clariant Corporation produces;Moral is solid
The white carbon black of Sa;CQV company of Korea S produce all kinds of pearl essences and chameleon powder, Merck KGaA company produce all kinds of pearl essences and
Chameleon powder etc..Relative to the aliphatic polyurethane dispersion of 100 weight portions, the content of described pigment is 0.1-5 weight portion, enters
One step is preferably 0.5-1.5 weight portion.
Aforementioned coating composition mixes to obtain coating, and aliphatic polyurethane can be disperseed by the preparation method of the coating of the present invention
Body, aliphatic poly ester dispersion, coalescents and water carry out mixing simultaneously and can also mix step by step.In the preferred case,
Ball mill, high speed dispersor or three rollers can be used to grind aliphatic polyurethane dispersion, the mixing of aliphatic poly ester dispersion
Machine disperses, and under the mixing speed of 600r/min, is added dropwise over coalescents, adds water, selectively add defoamer,
Thickening agent etc., mix homogeneously.Above-mentioned mixing is carried out the most at normal temperatures, if desired, can somewhat heat to accelerate mixing.
Film layer prepared by the coating composition that the present invention provides has good water-fast, acid and alkali-resistance and weather resistance, peels off
Functional, large area entirety can peel off, may be used for the provisional protection of product and parts, and the flexility of film is good,
Be processed further (as CNC, polish, washing etc.) time paint film property good without impact, simultaneously prepared by the coating composition of the present invention
Coating can apply on the base materials such as plastic cement, metal, glass, coating can pass through dip-coating, brush and the simple process such as spraying is attached
On base material, technique is simply easily achieved, and environmental friendliness.
Below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1
(1) coating composition
UH2593/1 20g
UH240 3.5g
Butyl glycol ether 3g
Deionized water 1.5g
TEGO Foamex 825 0.2g
TEGO ViscoPlus 3060 0.2g
(2) mixing
20g UH2593/1 and 3.5g UH240 is mixed, under the mixing speed of 600r/min, is added dropwise over the second of 3g
Glycol butyl ether;Treat that butyl glycol ether dropping is complete, add 1.5g deionized water, 0.2g TEGO Foamex 825,0.2g
TEGO ViscoPlus 3060, mix homogeneously obtains coating sample S1.
Embodiment 2
Use method compo compositions same as in Example 1, except for the difference that coating composition, specific as follows:
Lacper 4110 20g
Tekspro 7350 3.5g
Butyl glycol ether 3g
Deionized water 1.5g
TEGO Foamex 825 0.2g
TEGO ViscoPlus 3060 0.2g
Prepare coating sample S2.
Embodiment 3
Use method compo compositions same as in Example 1, except for the difference that coating composition, specific as follows:
Lacper 4210 20g
Tekspro 7350 3.5g
Butyl glycol ether 3g
Deionized water 1.5g
TEGO Foamex 825 0.2g
TEGO ViscoPlus 3060 0.2g
Prepare coating sample S3.
Embodiment 4
Use method compo compositions same as in Example 1, except for the difference that coating composition, specific as follows:
UH2593/1 20g
Tekspro 7350 3.5g
Butyl glycol ether 3g
Deionized water 1.5g
TEGO Foamex 825 0.2g
TEGO ViscoPlus 3060 0.2g
Prepare coating sample S4.
Embodiment 5
Use method compo compositions same as in Example 1, except for the difference that coating composition, specific as follows:
UH2593/1 20g
UH240 4g
Butyl glycol ether 3.2g
Deionized water 1.8g
TEGO Foamex 825 0.2g
TEGO ViscoPlus 3060 0.2g
Prepare coating sample S5.
Embodiment 6
Use method compo compositions same as in Example 1, except for the difference that coating composition, specific as follows:
UH2593/1 20g
UH240 5g
Butyl glycol ether 3.5g
Deionized water 2g
TEGO Foamex 825 0.2g
TEGO ViscoPlus 3060 0.2g
Prepare coating sample S6.
Embodiment 7
Use method compo compositions same as in Example 1, except for the difference that coating composition, specific as follows:
UH2593/1 20g
UH240 2.5g
Butyl glycol ether 2.5g
Deionized water 1.2g
TEGO Foamex 825 0.2g
TEGO ViscoPlus 3060 0.2g
Prepare coating sample S7.
Comparative example 1
C by the embodiment of patent CN02822399) present invention coating preparation (embodiment 1 preparation containing water and milk
Liquid polymer, the dispersions of polyurethanes UA of embodiment 7 preparation and the polymer of the dispersions of polyurethanes UB mixing of embodiment 8 preparation
Dispersion) step prepares coating sample DS1.
Comparative example 2
Coating sample DS2 is prepared according to the embodiment 4 of patent CN201010592499.
Embodiment 3
Coating sample DS3 is prepared according to the embodiment 3 of patent CN201010291366.
Performance test:
Coating sample S1-S7 and DS1-DS3 of above-mentioned preparation is respectively adopted the mode of spraying be coated in 6cm × 9cm ×
On the PC plate of 1.5cm, toasting 30min and be dried under the conditions of 50 DEG C, film layer is 30-45nm, obtains test sample S11-S77 and DS11-
DS33。
(1) stripping performance: by test sample S11-S77 of above-mentioned preparation and DS11-DS33 respectively at ambient temperature be 0
DEG C, 20 DEG C, under conditions of 40 DEG C, use adhesive tape to stick up whether test film layer is easily peeled.
Wherein, ◎ is easily peeled;Zero stripping performance is good;Peel off difficulty, it is impossible to completely strip;× can not peel off.
(2) CNC(Digit Control Machine Tool processing) test: the superficial film of test sample S11-S77 and DS11-DS33 is carried out
CNC cuts, and observes edge with or without tilting, lousiness, film layer with or without phenomenon of rupture.
◎ edge without tilt, without lousiness, protecting film without phenomenon of rupture;× edge has tilting or lousiness or protecting film to have disconnected
Split phenomenon.
(3) acid resistance: the sulphuric acid of 40wt% is dripped 2ml on the superficial film of sample S11-S77 and DS11-DS33, in
Keeping 24 hours under the conditions of 25 DEG C, observing film surface has blister corrosion phenomenon.
◎ surface is without blister corrosion phenomenon;× there is blister corrosion phenomenon.
(4) alkaline resistance properties: the sodium hydroxide of 0.1 normal concentration is dropped in the skin covering of the surface of sample S11-S77 and DS11-DS33
On layer, keeping 24 hours under the conditions of 25 DEG C, observing film surface has blister corrosion phenomenon.
◎ surface is without blister corrosion phenomenon;× there is blister corrosion phenomenon.
(5) water resistance: the superficial film of water pouring sample S11-S77 and DS11-DS33 3 days, discharge 4.5L/min, sees
Examine whether film layer bubbles, ftractures, if can completely strip.
◎ is non-foaming, do not rupture, can completely strip, × bubble or ftracture and maybe can not peel off.
(6) heat resistance: be placed on by sample S11-S77 and DS11-DS33 in 80 DEG C of baking ovens, toasts 7 days, observes film layer and is
No variable color, cracking, whether film layer can completely strip.
◎ invariant color, not rupturing, can completely strip, × variable color or cracking maybe can not be peeled off.
(7) 1000h accelerated ageing performance: by sample S11-S77 and DS11-DS33 according to GB/T 1,865 1997 " color
Paint and varnish artificial weathering aging and man-made radiation expose " carry out artificial weathering test 1000h.Whether observe film layer
Cracking, if variable color, whether completely strip, film layer has no adverse effects.
× paint film cracking or variable color maybe can not completely strip.◎ invariant color, do not ftracture, be completely easily peeled off, without bad shadow
Ring.
Test result such as table 1
Table 1
Removability | CNC processing experiment | Acid resisting test | Alkaline resistance test | Resistance to water is tested | Heat-resistance test | Anti-aging test | |
S11 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
S22 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
S33 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
S44 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
S55 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
S66 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
S77 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
DS11 | ◎ | × | ◎ | ◎ | ◎ | ◎ | ◎ |
DS22 | ◎ | × | × | ◎ | ◎ | ◎ | ◎ |
DS33 | ◎ | × | ◎ | ◎ | × | ◎ | ◎ |
Film layer prepared by the coating composition that the one-tenth of the coating composition of the present invention is grouped into has good water-fast, acidproof
Alkali and weather resistance, stripping performance is good, large area entirety can peel off, may be used for the provisional protection of product and parts, and
The flexility of film is good, be processed further (as CNC, polish, washing etc.) time paint film property good without impact, the present invention simultaneously
The coating prepared of coating composition can apply on the base materials such as plastic cement, metal, glass, coating can pass through dip-coating, brushing and
The simple process such as spraying are attached on base material, and technique is simply easily achieved, and environmental friendliness.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (11)
1. an aqueous Stripable paint compositions, it is characterised in that described coating composition contains aliphatic polyurethane dispersion
Body, aliphatic poly ester dispersion, coalescents and water, relative to the aliphatic polyurethane dispersion of 100 weight portions, described fat
The content of adoption ester dispersion is 10-40 weight portion, and the content of described coalescents is 10-25 weight portion, the content of described water
It is 5-10 weight portions;Described aliphatic polyurethane dispersion is that the aliphatic anion containing rigid structure is fatty acid modified poly-
Urethane dispersion;Described aliphatic poly ester dispersion is the aliphatic anionic polyester dispersion containing backbone.
Stripable paint compositions the most according to claim 1, it is characterised in that relative to the aliphatic of 100 weight portions
Dispersions of polyurethanes, the content of described aliphatic poly ester dispersion is 15-30 weight portion, and the content of described coalescents is 10-
25 weight portions, the content of described water is 5-10 weight portion.
Stripable paint compositions the most according to claim 1, it is characterised in that described rigid structure is selected from containing ring-type
The group of structure and/or alkynyl.
Stripable paint compositions the most according to claim 1, it is characterised in that in described aliphatic polyurethane dispersion
The number-average molecular weight of aliphatic polyurethane is more than 50000, and the vitrification point of aliphatic polyurethane is less than 50 DEG C.
Stripable paint compositions the most according to claim 1, it is characterised in that in described aliphatic polyurethane dispersion
The mean particle size of aliphatic polyurethane is 30-100nm.
Stripable paint compositions the most according to claim 1, it is characterised in that in described aliphatic poly ester dispersion
Aliphatic polyester contains-(C-C)n-long-chain linear macromolecular structure, wherein, n is the integer more than 10.
Stripable paint compositions the most according to claim 1, it is characterised in that in described aliphatic poly ester dispersion
The number-average molecular weight of aliphatic polyester is more than 30000, and the vitrification point of aliphatic polyester is less than 50 DEG C, and aliphatic polyester is gas
Dry film-forming type aliphatic polyester.
Stripable paint compositions the most according to claim 1, it is characterised in that described coalescents is selected from ethylene glycol fourth
One or more in ether, propylene glycol monomethyl ether or dipropylene glycol methyl ether.
Stripable paint compositions the most according to claim 1, it is characterised in that described coating composition is possibly together with thickening
Agent, one or more in polyurethane thickener, carboxycellulose, polyvinyl alcohol or acrylic compounds of described thickening agent,
Relative to the aliphatic polyurethane dispersion of 100 weight portions, the content of described thickening agent is 0.1-1 weight portion.
Stripable paint compositions the most according to claim 1, it is characterised in that described coating composition is possibly together with disappearing
Infusion, described defoamer is selected from polyether silicone copolymer emulsion and/or polymethyl siloxane copolymer emulsion, relative to 100 weight
The aliphatic polyurethane dispersion of part, the content of described defoamer is 0.2-1 weight portion.
11. Stripable paint compositionss according to claim 1, it is characterised in that described coating composition is possibly together with helping
Agent, described auxiliary agent includes pigment, and described pigment is selected from white carbon black, titanium dioxide, pearl essence, Margarita powder, aluminium paste, silver slurry, AZOpigments
Or one or more in phthalocyanine color, relative to the aliphatic polyurethane dispersion of 100 weight portions, the content of described pigment is
0.1-5 weight portion.
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CN105331263B (en) * | 2014-07-22 | 2018-02-09 | 比亚迪股份有限公司 | A kind of water-based Stripable paint and preparation method thereof and the application of the water-based Stripable paint in the production of moulding |
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CN110684450A (en) * | 2019-09-25 | 2020-01-14 | 复旦大学 | A kind of water-based protective coating with peelability and preparation method thereof |
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CN114181604B (en) * | 2021-12-29 | 2023-03-28 | 江苏奥斯佳材料科技股份有限公司 | Water-based strippable paint and preparation method thereof |
CN115403981B (en) * | 2022-10-10 | 2023-08-29 | 长沙岱华科技有限公司 | Water-based protective adhesive and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1585805A (en) * | 2001-11-12 | 2005-02-23 | 拜尔材料科学股份公司 | Emulsion polymers as strippable coatings |
CN101407654A (en) * | 2008-11-14 | 2009-04-15 | 上海维凯化学品有限公司 | High peeling environment-friendly type aqueous transfer coating and use thereof |
CN102127345A (en) * | 2010-12-17 | 2011-07-20 | 武汉吉亨新材料科技有限公司 | Water-based coating composition, preparation method thereof and method for taking water-based coating composition as strippable coating protective film |
CN102676033A (en) * | 2012-01-15 | 2012-09-19 | 河南科技大学 | Aqueous strippable paint |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19943933A1 (en) * | 1999-07-30 | 2001-02-01 | Bayer Ag | Lightfast coating agents |
ATE482258T1 (en) * | 2004-04-27 | 2010-10-15 | Akzo Nobel Coatings Int Bv | PIGMENTED REMOVAL PAINT |
-
2012
- 2012-09-27 CN CN201210373391.2A patent/CN103694872B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1585805A (en) * | 2001-11-12 | 2005-02-23 | 拜尔材料科学股份公司 | Emulsion polymers as strippable coatings |
CN101407654A (en) * | 2008-11-14 | 2009-04-15 | 上海维凯化学品有限公司 | High peeling environment-friendly type aqueous transfer coating and use thereof |
CN102127345A (en) * | 2010-12-17 | 2011-07-20 | 武汉吉亨新材料科技有限公司 | Water-based coating composition, preparation method thereof and method for taking water-based coating composition as strippable coating protective film |
CN102676033A (en) * | 2012-01-15 | 2012-09-19 | 河南科技大学 | Aqueous strippable paint |
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