CN101519547B - Aqueous double-component atomic ash and application thereof - Google Patents
Aqueous double-component atomic ash and application thereof Download PDFInfo
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- CN101519547B CN101519547B CN 200910081457 CN200910081457A CN101519547B CN 101519547 B CN101519547 B CN 101519547B CN 200910081457 CN200910081457 CN 200910081457 CN 200910081457 A CN200910081457 A CN 200910081457A CN 101519547 B CN101519547 B CN 101519547B
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Abstract
The invention provides an aqueous double-component atomic ash and application thereof. The atomic ash comprises a component A and a component B according to the weight proportion of 100:1 to 5; the component A comprises 15 to 30 parts of redispersible latex powder, 0.2 to 0.8 part of anti-blowing agent, 0.2 to 0.8 part of wet dispersant, 0.5 to 1.5 parts of thickening agent, 30 to 65 parts of filler and 15 to 30 parts of water; and the component B comprises a methyl diphenylene diisocyanate monomer or a preformed polymer thereof. The aqueous double-component atomic ash uses redispersible latexpowder as a main film forming matter, water as a main solvent, the methyl diphenylene diisocyanate monomer or the preformed polymer thereof as a hardening agent. The aqueous double-component atomic a sh has excellent filming performance, high construction property, good construction property, strong adhesive force and long construction time, and more importantly, the aqueous double-component atomic ash mainly has no harm to the health of constructors and is an aqueous environmentally-friendly product.
Description
Technical field
The present invention relates to a kind of atom ash, specifically, relate to a kind of aqueous double-component atomic ash and application thereof.
Background technology
The atom ash is commonly called as automobile putty, is to develop a kind of faster pointing material over nearly 20 years in the world.Be used in the earliest on the painting dressing automobiles, developed into now in the woodwork coating industry and used in a large number.
Conventional atom ash be a kind of be main raw material with the unsaturated polyester resin, allocate additives such as cobalt salt initiator, stopper, color stuffing into, with superoxide as solidifying agent can be according to actual needs, allotment at any time uses, novel pointing material conveniently.For example publication number is a kind of fibrous unsaturated polyester putty of CN1673299A, it is made up of main putty, two kinds of components of solidifying agent, the weight ratio of main putty and solidifying agent is 100: 2, and wherein main putty is made up of according to weight ratio following compositions: unsaturated polyester resin: 100, promotor: 2～4, vinylbenzene: 3～5, fiber: 0.3～0.5, filler: 100～120, pigment: 3～5; Solidifying agent is made up of according to weight ratio following compositions: initiator: 100, pigment: 3～5, filler: 1～3.It can solve the easily be full of cracks of atom ash, to need than macroscopic void behind the repair welding steel plate could blade coating, the deficiency of repairing.
Publication number is a kind of high strength fast drying putty of CN1145384A, it is made of atom ash base-material and solidifying agent two-pack, employing coupling agent titanic acid ester coats raising agent and mates with varigrained filler, improves intensity, the toughness of putty after solidifying, and improves the performance of polishing.Be applicable to that being coated with of metal such as automobile, lathe, furniture or nonmetallic surface mend finishing.
Compare with China tradition putty such as tung oil putty, vinyl perchloride putty, alcoholic acid putty etc., conventional atom ash have fast drying, strong adhesion, heat-resisting, do not ftracture, characteristics such as short construction period.But its shortcoming also clearly, and the conventional atom ash that mixes up must use up in a short period of time, and the time has been grown, and will solidify, and loses use value; And smell is big, not environmental protection; In addition, the improper use of conventional atom ash can cause that also upper strata paint adheres to problems such as bad.
Summary of the invention
The objective of the invention is to overcome existing atom ash environmental protection and technical defective, a kind of aqueous double-component atomic ash with length duration of service, environmental protection and sticking power excellence is provided.
Another object of the present invention provides a kind of aqueous double-component atomic ash in the application that is used for painting dressing automobiles, bamboo woodwork coating and heavy rot-resistant application.
In order to realize the object of the invention, a kind of aqueous double-component atomic ash of the present invention, it is made up of with 100: 1～5 weight ratios first component and second component, and the composition of first component and second component is respectively:
First component: 15～30 parts of re-dispersible glue powders
0.2～0.8 part of defoamer
0.2～0.8 part of wetting dispersing agent
0.5～1.5 part of thickening material
30～65 parts of fillers
15～30 parts in water;
Second component: 100 parts of diphenylmethanediisocyanate or its prepolymers.
Wherein, preferred ingredients and content:
The weight ratio of first component and second component is 100: 1.5～4.5;
First component: 20～25 parts of re-dispersible glue powders
0.3～0.6 part of defoamer
0.3～0.6 part of wetting dispersing agent
0.6～1.2 part of thickening material
45～60 parts of fillers
15～30 parts in water.
Described re-dispersible glue powder is ethene (E), vinyl acetate between to for plastic (VA), uncle's vinyl acetate (VV), acrylate (Ac) or above-mentioned two kinds or above mixture, SP3000, the SP4000 (main chemical group is E/VA) of product 50E100S (main chemical group is VA/E), EV2000 (main chemical group is VA/VV/E), MP2050 (main chemical group is VA/E) and the Kuraray company that produces as Yi Laitai company.
Described defoamer is organo-siloxane class, polyethers, polyether-modified silicon class or above-mentioned two kinds or above mixture, BYK094, BYK024 (broken bubble polysiloxane solution as German BYK company, belong to the organo-siloxane class) or the TEGO foamex 810 (polysiloxane-polyether copolymer belongs to polyether-modified silicon class) of EVONIK company.
Described wetting dispersing agent is not for containing anionic, non-ionic type, polyfunctional group type or above-mentioned two kinds or the above mixture of solvent and NONYL PHENOL ETHOXYLATED, as TEGO Dispers 740W (non-ionic type derivative of fatty acid) or the TEGO Dispers 715W (anionic polyacrylic acid sodium salt) or the TEGO Dispers 760W (tensio-active agent of polyfunctional group type and the aqueous solution that contains the pigment affinity groups) of German TEGO company.
Described thickening material is acrylic acid or the like, polyurethanes, cellulose ethers or above-mentioned two kinds or above mixture, for example the Thixol 53L (acrylic acid copolymer soln) of French COATEX and Coapur830w (non-ion aqueous polyurethane), RM-8W thickening material, ROHM AND HAAS TT-935 thickening material or Clariant hydroxyethyl ether cellulose thickening material etc.
Described filler is talcum powder, fine particle calcium carbonate, coarse whiting, transparent powder or above-mentioned two kinds or above mixture, the preferred transparent powder that oil number is little, transparency is high, for example the JH-G2 transparent powder of South Sea gold monkey company.
Described second component is an above mixture behind diphenylmethanediisocyanate (MDI) monomer, polyether-type MDI prepolymer, polyester type MDI prepolymer or above-mentioned two kinds, preferred diphenylmethanediisocyanate monomer, for example pure diphenylmethanediisocyanate MDI-100 of Yantai Wan Hua company.
In order to obtain the aqueous double-component atomic ash of better performance, the first component also can comprise sterilant, frostproofer, titanium dioxide and pH regulator agent.
Described sterilant is not for containing CMI (water-based chlormethylisothiazo,ine ketone), MI (aqueous dimethylformamide isothiazolinone) and bronocot or above-mentioned two kinds or the above mixture of N-/O-formal.As the Parmetol A 28 (its main component is CMI/MI and bronocot mixture) or the Parmetol K20 (its main component is the CMI/MI mixture) of German Shu Mei company, also have the LXE sterilant and the Britain Shu Er MV sterilant of ROHM AND HAAS.Add-on is 0.1～0.5 part, preferably 0.2～0.3 part.
Described frostproofer is propylene glycol or ethylene glycol, the preferred better propylene glycol of the feature of environmental protection, for example 1 of LG-DOW company, ammediol.Add-on is 0.5～2.5 part, preferably 1.0～2.0 parts.
Described titanium dioxide is preferably the chlorination process Rutile type Titanium Dioxide, for example TS 6200, titanium dioxide R-595 or titanium dioxide CR 828.Add-on is 0～10 part; Preferably 2～8 parts.
Described pH regulator agent is ammoniacal liquor, triethylamine or hydramine, the preferred little hydramine of smell, for example AMP-95 of U.S. ANGUS (molecular structure is a 2-amino-2-methyl-1-propanol).Adjusting atom ash pH value purpose is in order to guarantee the stability in the storage process, generally to be controlled between the pH7-9.Add-on is 0.1～0.5 part, preferably 0.1～0.3 part.
The present invention prepares the method for aqueous double-component atomic ash, comprises the steps:
Elder generation adds portion water, defoamer, wetting dispersing agent successively by proportioning and stirs, and adds filler, re-dispersible glue powder and thickening material by proportioning then under whipped state, disperses 10-20 minute, adds remainder water by proportioning then, and stirring gets final product.
Aqueous double-component atomic ash of the present invention in when construction, directly adopts method well known in the art, after first, second component mixed according to the rules, batch be coated with or blade coating on the coated article body.
A kind of aqueous double-component atomic ash of the present invention has following advantage:
1, the present invention does not contain solvent-borne type unsaturated polyester resin and superoxide stiffening agent, but adopted the re-dispersible glue powder of environmental protection, with water is primary solvent, the solids content height, anti-solvent, water-tolerant, environmental protection, save energy, construction back paint film density height, and long with the pot-life after the second component cooperates;
2, hardness height behind the products solidifying of the present invention, grinability is good, has excellent sticking power;
3, to adopt diphenylmethanediisocyanate monomer or its prepolymer be stiffening agent in the present invention, and the type stiffening agent has good springiness, functional group content height, construction back hardness advantages of higher;
4, after product of the present invention adds component second stiffening agent, but its pot life is obviously long than conventional PE atom ash, can reach 24 hours, and performance is constant;
5, aqueous double-component atomic ash of the present invention is the aqueous, environmental protective product, is applicable to painting dressing automobiles, bamboo woodwork coating and heavy rot-resistant application.
Embodiment
Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
1 one kinds of clear aqueous double-component atomic ash of embodiment
The first component:
Earlier with 25kg water, 0.4kg defoamer BYK094,0.4kg wetting dispersing agent TEGODispers 760W, 0.2kg sterilant Parmetol A 28,1kg frostproofer 1, ammediol joins in the dispersion cup successively, start stirring, under whipped state, add 50kg transparent powder JH-G2,20kg re-dispersible glue powder 50E100S, 0.5kg thickening material Thixol 53L and 0.4kg thickening material Coapur830w then, disperseed 15 minutes, add 0.2kg pH regulator agent APM-95,2.4kg water then, stir.
The second component:
Yantai ten thousand magnificent pure diphenylmethanediisocyanate 100kg.
Be to mix at 100: 3 according to first component and second component ratio during construction, pH is 8.5.
2 one kinds of white aqueous double-component atomic ash of embodiment
The first component:
Earlier with 25kg water, 0.4kg defoamer BYK094,0.4kg wetting dispersing agent TEGODispers 760W, 0.2kg sterilant Parmetol A 28,1kg frostproofer 1, ammediol joins in the dispersion cup successively, start stirring, under whipped state, add 5kg titanium dioxide TS6200,45kg transparent powder JH-G2,20kg re-dispersible glue powder 50E100S, 0.5kg thickening material Thixol 53L and 0.4kg thickening material Coapur830w then, disperseed 15 minutes, add 0.2kg pH regulator agent APM-95,2.4kg water then, stir.
The second component:
Yantai ten thousand magnificent pure diphenylmethanediisocyanate 100kg.
Be to mix at 100: 4.5 according to first component and second component ratio during construction, pH is 8.0.
After tested, the performance of the invention of the foregoing description 1 and embodiment 2 is as follows:
| Test item | Embodiment 1 | Embodiment 2 | Standard |
| Surface drying | 0.5 hour | 0.5 hour | GB/T1728-1989 |
| Do solid work | 2 hours | 2.5 hour | GB/T1728-1989 |
| Punching press intensity | 5kg·cm | 8kg·cm | GB/T1732-1993 |
| Sticking power | 0 grade | 0 grade | GB/T1720-1989 |
| Grinability | Easily polishing | Easily polishing | GB/T1770-1989 |
| Petrol-resistance | 24 hours no changes | 24 hours no changes | GB/T1734-1993 |
Embodiment 3
Preparation process is with embodiment 1, and the component of the aqueous double-component atomic ash of different is present embodiment is as follows:
The first component:
Kuraray SP-3000 re-dispersible glue powder 15kg
Defoamer BYK024 0.2kg
The LXE sterilant 0.5kg of ROHM AND HAAS
TEGO Dispers 740W wetting dispersing agent 0.2kg
RM-8W thickening material 1.5kg
PH regulator agent triethylamine 0.1kg
Antifreeze glycol 0.5kg
Rutile type Titanium Dioxide R1930 4kg
Talcum powder 60kg
Water 20kg.
Second component: polyether-type biphenyl methane diisocyanate prepolymer (molecular weight 2000-3000) 100kg.
First component and second components by weight are to mix at 100: 1, and pH is 7.5.
Embodiment 4
Preparation process is with embodiment 1, and the component of the aqueous double-component atomic ash of different is present embodiment is as follows:
The first component:
Yi Laitai EV2000 re-dispersible glue powder 30kg
Defoamer TEGO foamex 810 0.5kg
Parmetol K20 sterilant 0.1kg
TEGO Dispers 715W wetting dispersing agent 0.6kg
ROHM AND HAAS TT-935 thickening material 0.5kg
PH regulator agent ammoniacal liquor 0.4kg
Frostproofer propylene glycol 1.5kg
Mei Lilian Rutile type Titanium Dioxide R-595 10kg
Coarse whiting 65kg
Water 25kg.
Second component: Yantai ten thousand magnificent diphenylmethanediisocyanate 100kg.
First component and second components by weight are to mix at 100: 5, and pH is 8.0.
Embodiment 5
Preparation process is with embodiment 1, and the component of the aqueous double-component atomic ash of different is present embodiment is as follows:
First component: Kuraray SP-4000 re-dispersible glue powder 18kg
Defoamer TEGO foamex 825 0.8kg
Britain Shu Er MV sterilant 0.3kg
BYK-190 wetting dispersing agent 0.8kg
Clariant hydroxyethyl ether cellulose thickening material 1.5kg
PH regulator agent Ai Wangde
TM0.5kg
Antifreeze glycol 2.5kg
Ke Meiji Rutile type Titanium Dioxide CR 828 2kg
Fine particle calcium carbonate 30kg
Water 15kg.
Second component: Yantai ten thousand magnificent diphenylmethanediisocyanate 100kg.
First component and second components by weight are to mix at 100: 1.5, and pH is 9.0.
Embodiment 6
Preparation process is with embodiment 1, and the component of the aqueous double-component atomic ash of different is present embodiment is as follows:
First component: MP-2050 re-dispersible glue powder 24kg
Defoamer TEGO foamex 825 0.3kg
TEGO Dispers 740W wetting dispersing agent 0.3kg
Thixol 53L thickening material 0.6kg
The titanium dioxide TS-6200 8kg of E.I.Du Pont Company
Talcum powder 40kg
Water 18kg.
Second component: Yantai ten thousand magnificent diphenylmethanediisocyanate 100kg.
First component and second components by weight are to mix at 100: 3, and pH is 7.0.
Embodiment 7
Preparation process is with embodiment 1, and the component of the aqueous double-component atomic ash of different is present embodiment is as follows:
First component: Kuraray SP-4000 re-dispersible glue powder 28kg
Defoamer byk024 0.6kg
BYK-190 wetting dispersing agent 0.5kg
Coapur830w thickening material 1.2kg
Transparent powder JH-G2 60kg
Water 25kg.
Second component: Yantai ten thousand magnificent diphenylmethanediisocyanate 100kg.
First component and second components by weight are to mix at 100: 2, and pH is 8.5.
Though above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. an aqueous double-component atomic ash is characterized in that, it is made up of with 100: 1～5 weight ratios first component and second component, and the composition of first component and second component is respectively:
First component: 15～30 parts of re-dispersible glue powders
0.2～0.8 part of defoamer
0.2～0.8 part of wetting dispersing agent
0.5～1.5 part of thickening material
30～65 parts of fillers
15～30 parts in water;
Second component: 100 parts of diphenylmethanediisocyanate or its prepolymers.
2. according to the described aqueous double-component atomic ash of claim 1, it is characterized in that the weight ratio of first component and second component is 100: 1.5～4.5;
First component: 20～25 parts of re-dispersible glue powders
0.3～0.6 part of defoamer
0.3～0.6 part of wetting dispersing agent
0.6～1.2 part of thickening material
45～60 parts of fillers
15～30 parts in water.
3. according to claim 1 or 2 described aqueous double-component atomic ash, it is characterized in that described re-dispersible glue powder is ethene, vinyl acetate between to for plastic, uncle's vinyl acetate, acrylate or above-mentioned two or more mixture.
4. according to claim 1 or 2 described aqueous double-component atomic ash, it is characterized in that described wetting dispersing agent is not for containing anionic, non-ionic type, polyfunctional group type or the above-mentioned two or more mixture of solvent and NONYL PHENOL ETHOXYLATED.
5. according to claim 1 or 2 described aqueous double-component atomic ash, it is characterized in that described defoamer is organo-siloxane class, polyethers, polyether-modified silicon class or above-mentioned two or more mixture.
6. according to claim 1 or 2 described aqueous double-component atomic ash, it is characterized in that described thickening material is acrylic acid or the like, polyurethanes, cellulose ethers or above-mentioned two or more mixture.
7. according to claim 1 or 2 described aqueous double-component atomic ash, it is characterized in that described filler is talcum powder, fine particle calcium carbonate, coarse whiting, transparent powder or above-mentioned two or more mixture.
8. according to claim 1 or 2 described aqueous double-component atomic ash, it is characterized in that described second component is diphenylmethanediisocyanate monomer, polyether-type biphenyl methane diisocyanate prepolymer, polyester type biphenyl methane diisocyanate prepolymer or above-mentioned two or more mixture.
9. according to claim 1 or 2 described aqueous double-component atomic ash, it is characterized in that the first component also comprises 0.1～0.5 part of sterilant, 0.5～2.5 part of frostproofer, 0～10 part of titanium dioxide and 0.1～0.5 part of pH regulator agent.
10. any described aqueous double-component atomic ash of claim 1-9 is in the application that is used for painting dressing automobiles, bamboo woodwork coating and heavy rot-resistant application.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101712842B (en) * | 2009-11-09 | 2013-10-16 | 深圳市广田环保涂料有限公司 | Adhesion and doodling prevention coating |
| CN103421369A (en) * | 2013-08-22 | 2013-12-04 | 欧美龙（南通）重防腐涂料有限公司 | Heat-preservation alkali-resistant cold-proof coating |
| CN105482776B (en) * | 2015-12-29 | 2017-12-05 | 河南师范大学 | A kind of antirust air nail hole closing glue and preparation method thereof |
| CN106752244B (en) * | 2016-12-22 | 2019-06-21 | 中华制漆(新丰）有限公司 | Aqueous double-component atomic ash and preparation method thereof |
| CN114213892A (en) * | 2021-12-22 | 2022-03-22 | 成都展辰涂料有限公司 | Water-based double-component transparent putty |
| CN115074013A (en) * | 2022-08-19 | 2022-09-20 | 南通宸康新材料科技有限公司 | Antibacterial flexibility-increasing surface treating agent and preparation method thereof |
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