CN105111804A - Magnetic paste-like compound system - Google Patents
Magnetic paste-like compound system Download PDFInfo
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- CN105111804A CN105111804A CN201510582766.XA CN201510582766A CN105111804A CN 105111804 A CN105111804 A CN 105111804A CN 201510582766 A CN201510582766 A CN 201510582766A CN 105111804 A CN105111804 A CN 105111804A
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Abstract
The invention relates to a magnetic paste-like compound system. Allyl bisphenol A is added into active filler and mixed evenly to obtain a mixture; an acrylic resin prepolymer, trimethylsiloxysilicate and dimethylamino propylamine are mixed and stirred for 3 h, the mixture is added and stirred at the temperature of 80 DEG C for 2 h, and sodium alginate, 1,3-propylene glycol and sodium lauryl sulfate are added and stirred for 3 h at the temperature of 90 DEG C; the system temperature is adjusted to be 45 DEG C, and shell powder and water are added and stirred for 1.5 h in a room-temperature environment to obtain the magnetic paste-like compound system. The magnetic paste-like compound system has a good levelling property, a good adhesive property and excellent heat-resistant performance and meets the requirement for development and application.
Description
Technical field
The invention belongs to magnetic composite technical field, be specifically related to a kind of magnetic pulpous state compound system, there is good cementability and levelling property.
Background technology
The magnetic pipe recording material played an important role in development of modern scientific technology, can record sound, image and various information the reproduction that can pay, tangible various ground is coated with magnetic coating makes.So-called magnetic coating is by the magnetic powder being used as color stuffing, film forming binder, auxiliary agent and solvent composition.
Dust refers to the aerial solia particle that can suspend the long period.The dust formed in process of production is called industrial dust.Dust suspension is a kind of aerosol, and its dispersion medium is air, and disperse phase is solids, and solids and air form a dispersion system jointly.Main source is mechanical workout or the pulverizing of solid matter, as metal grinding, machining etc.; The steam produced during material heating condenses or oxidized formed grit in atmosphere, as Metal Melting, and welding etc.; The founding of foundry goods, the mixing of sand removal flour.The dust of deposition, due to vibration or air motion, makes the dust of deposition swim heavily again in air to be also the source of dust.Along with the development of modern industry, the impact that the health of dust on environment and the mankind causes is day by day serious, effectively administers dust pollution, and the living environment of the purification mankind, has become proprietary common recognition.
Have the generation of metallic dust to be inevitable in the workshop of machinery five metals source mill, since the generation of dust is inevitable, so dust suppression is also essential.But existing sack cleaner, also exists the drawbacks such as ash-removal effect is undesirable, purification efficiency is low, life-span of the filter bag is short, maintenance load is large, limits its effective use, so, need badly and the structure of existing dust removal installation is improved.By applying a kind of magnetic composite on dust removal installation, after solidification, there is magnetic, for magneticmetal material, there is adsorption, when these dust produced are by dust removal installation, will be adsorbed by magnetic composite, there is the defects such as poor heat resistance, processibility be undesirable in current magnetisable coating.
Summary of the invention
The object of this invention is to provide a kind of magnetic pulpous state compound system, it has excellent adhesiveproperties, and good levelling property, may be used for electronic apparatus material.
To achieve the above object of the invention, the technical solution used in the present invention is: a kind of magnetic pulpous state compound system, is obtained by the raw material of following weight part:
Allyl group dihydroxyphenyl propane 100 parts
Active filler 28 ~ 35 parts
Acrylic resin prepolymer 125 ~ 132 parts
Trimethylsiloxysilicates 16 ~ 18 parts
Sodium alginate 12 ~ 16 parts
Oyster shell whiting 8 ~ 10 parts
Lauryl alcohol sodium sulfovinate 10 ~ 14 parts
1,3-PD 35 ~ 46 parts
Dimethylaminopropylamine 5 ~ 9 parts
15 ~ 20 parts, water;
Described active filler is prepared by with under type: be added to the water by neodymium iron boron powder, then add graphene oxide, stirs 40 minutes, and then in 170 DEG C of reactions 18 hours, naturally cooling, obtains solid after centrifugal; Dry, mix with titanic acid ester and be active filler;
Described acrylic resin prepolymer is formed through reacting by monofunctional acrylates's ester monomer and nitrogenous vinyl monomer.
In the present invention, described monofunctional acrylates's ester monomer is methyl methacrylate, ethyl propenoate, n-butyl acrylate, Propenoic acid, 2-methyl, isobutyl ester, Tert-butyl Methacrylate, 2-(thiophenyl) ethyl propylene acid esters, 2-(p-cumyl-phenoxy group)-ethylhexyl acrylate etc.; The structural formula of described nitrogenous vinyl monomer is:
。
Take benzoyl peroxide as oxygenant, dioxane is solvent, take hydramine as alkali, by the back flow reaction of monofunctional acrylates's ester monomer and nitrogenous vinyl monomer, obtain acrylic resin prepolymer, it is water-soluble.In the present invention, monofunctional acrylates's ester monomer and nitrogenous vinyl monomer react form acrylic resin prepolymer time, the mol ratio of monofunctional acrylates's ester monomer and nitrogenous vinyl monomer is 1: 0.5.This and conventional equimolar ratio react different, by the creationary mol ratio setting monofunctional acrylates's ester monomer and nitrogenous vinyl monomer, vinyl major part on monofunctional acrylates's ester monomer is cross-linked with the vinyl on nitrogenous vinyl monomer, also have part can form ehter bond with allyl group dihydroxyphenyl propane simultaneously, while increasing prepolymer cross-link intensity further, give again prepolymer certain snappiness, with this prepolymer for matrix resin, for bonding, good leveling property, when solidifying, ductility is good, and cure shrinkage is suitable, has certain toughness after solidification.
The silica structure unit bond energy that system of the present invention contains is high, is beneficial to the scope of application of system; The vinyl structure unit contained can provide strong adhesiveproperties.Retain all fragrant heterocycles of monomer and alkane group after the solidification of acrylic resin prepolymer of the present invention, allyl group dihydroxyphenyl propane, after fragrant heterocycle resin system solidification, the filling of cross-linking density, improves the intensity of material; Hydroxyl also plays the effect of coupling, not only can with the hydroxyl reaction of filling surface, increase system internal bond strength, can also biochemical coupled action anti-with substrate surface, the reactive force formed is much larger than physical adsorption power, due to the generation of chemical bond, substantially increase the adhesiveproperties of whole system, ensure adhesive effect.
In the present invention, organic object is the primary bond composition of matrix material, and resin pre-polymerization degree in the preparation has material impact for the organic-inorganic consistency of composite material exhibits, in particular concerns the cementability of material; Pre-polymerization degree is low causes material cured speed comparatively slow, is unfavorable for the raising of system cross-linking density, and high resin system is not good to the wettability of inorganic filler, causes the many defects of system.With stable quinoid structure in organic-compound system of the present invention, certain inhibition is had when pre-polymerization, effectively can prevent from being polymerized that the system levelling property excessively caused is poor, the problem of bad adhesion, and there is when solidifying the function of effectively solidification, and high temperature, low temperature, still well bonding under wet environment.
In the present invention, the mass ratio of neodymium iron boron powder and graphene oxide, titanic acid ester is 2: 1.3: 0.04; The median size of oyster shell whiting is 5 microns.
Preferably, described magnetic pulpous state compound system is obtained by the raw material of following weight part:
Allyl group dihydroxyphenyl propane 100 parts
Active filler 30 parts
Acrylic resin prepolymer 128 parts
Trimethylsiloxysilicates 18 parts
Sodium alginate 15 parts
Oyster shell whiting 8 parts
Lauryl alcohol sodium sulfovinate 11 parts
1,3-PD 42 parts
Dimethylaminopropylamine 8 parts
18 parts, water.
In the present invention, active filler is added allyl group dihydroxyphenyl propane, mix, obtain mixture; Acrylic resin prepolymer, trimethylsiloxysilicates and dimethylaminopropylamine are mixed, stirs 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add sodium alginate, 1,3-PD, lauryl alcohol sodium sulfovinate again, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds oyster shell whiting and water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Because technique scheme is used, the present invention compared with prior art has following advantages:
Magnetic pulpous state compound system composition disclosed by the invention rationally, between each component, consistency is good, and prepared magnetic pulpous state compound system thus, raw material is simple and easy to get, without the need to the complex reaction of prior art, the magnetic pulpous state compound system of preparation has excellent adhesiveproperties, and system solidification effect is good, active filler on the one hand, particularly graphene oxide increases the magnetic property of system, between many organism, reaction forms stable molecular bonding structure on the other hand, and heat-resistant stability is strong, and cementability is good; And avoid that flow of material levelling in prior art is poor, the unabiding defect of effect, there is good magnetic, adhesiveproperties, there is excellent resistance toheat and flow leveling especially, meet the development and application of magnetic pulpous state compound system.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Synthesis example
First benzoyl peroxide (for 2.6% of Acrylic Acid Monomer quality) and dioxane are added in reactor, be heated to backflow, then 10mol monofunctional acrylates ester monomer, the nitrogenous vinyl monomer of 5mol is added, back flow reaction, then be cooled to 55 DEG C, vacuum removes solvent, finally adds hydramine (for 3.5% of Acrylic Acid Monomer quality), column chromatography obtains acrylic resin prepolymer, and it is water-soluble; Wherein n-butyl acrylate, Propenoic acid, 2-methyl, isobutyl ester, Tert-butyl Methacrylate, 2-(thiophenyl) ethyl propylene acid esters, 2-(p-cumyl-phenoxy group)-ethylhexyl acrylate corresponding embodiment one to five respectively.
Be added to the water by 2Kg neodymium iron boron powder, then add 1.3Kg graphene oxide, stir 40 minutes, then in 170 DEG C of reactions 18 hours, naturally cooling, obtains solid after centrifugal; Dry, mix with 40g titanic acid ester and be active filler.
Embodiment one
30g active filler system is added 100g allyl group dihydroxyphenyl propane, mixes, obtain mixture; 128g acrylic resin prepolymer, 18g trimethylsiloxysilicates and 8g dimethylaminopropylamine are mixed, stirs 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add 15g sodium alginate, 42g1 again, ammediol, 11g lauryl alcohol sodium sulfovinate, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds 8g oyster shell whiting and 18g water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Embodiment two
28g active filler system is added 100g allyl group dihydroxyphenyl propane mix, obtain mixture; 125g acrylic resin prepolymer, 18g trimethylsiloxysilicates and 8g dimethylaminopropylamine are mixed, stirs 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add 12g sodium alginate, 35g1 again, ammediol, 10g lauryl alcohol sodium sulfovinate, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds 9g oyster shell whiting and 15g water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Embodiment three
33g active filler system is added 100g allyl group dihydroxyphenyl propane mix, obtain mixture; 132g acrylic resin prepolymer, 16g trimethylsiloxysilicates and 6g dimethylaminopropylamine are mixed, stirs 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add 15g sodium alginate, 45g1 again, ammediol, 14g lauryl alcohol sodium sulfovinate, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds 10g oyster shell whiting and 20g water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Embodiment four
35g active filler system is added 100g allyl group dihydroxyphenyl propane mix, obtain mixture; 126g acrylic resin prepolymer, 17g trimethylsiloxysilicates and 7g dimethylaminopropylamine are mixed, stirs 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add 14g sodium alginate, 42g1 again, ammediol, 12g lauryl alcohol sodium sulfovinate, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds 9g oyster shell whiting and 17g water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Embodiment five
32g active filler system is added 100g allyl group dihydroxyphenyl propane mix, obtain mixture; 126g acrylic resin prepolymer, 16g trimethylsiloxysilicates and 7.5g dimethylaminopropylamine are mixed, stirs 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add 14g sodium alginate, 41g1 again, ammediol, 12g lauryl alcohol sodium sulfovinate, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds 8.5g oyster shell whiting and 20g water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Comparative example one
32g active filler system is added 100g allyl group dihydroxyphenyl propane mix, obtain mixture; By 130g acrylic resin prepolymer and the mixing of 8g dimethylaminopropylamine, stir 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add 4g sodium alginate, 38g1 again, ammediol, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds 9g oyster shell whiting and 20g water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Comparative example two
35g active filler system is added 100g allyl group dihydroxyphenyl propane mix, obtain mixture; By 130g acrylic resin prepolymer, the mixing of 18g trimethylsiloxysilicates, stir 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add 45g1 again, ammediol, 15g lauryl alcohol sodium sulfovinate, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds 10g oyster shell whiting and 20g water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
Performance test
Above-mentioned pulpous state system is coated on steel plate, within 15 minutes, namely completes solidification in 200 DEG C of heating in 180 DEG C of heating again after 0.5 hour, form stable magnetic-film layer.Utilize dimension card thermal distortion instrument test heat-drawn wire (CTE/ DEG C); Utilize 3M600 adhesive tape, drawing coating test sticking power; Hot weightless instrument is utilized to test temperature of initial decomposition (/ DEG C).The performance test results of above-mentioned magnetic pulpous state compound system is in table 1; Carry out visual inspection, embodiment rete is level and smooth, the defects such as glue-free sky simultaneously, and thickness is even, and comparative example is slightly poor, has partial pore, and thickness evenness is bad.
The performance of table 1 solid gums
| CTE | Sticking power | T 0 | |
| Embodiment one | 145 | >5B | 315 |
| Embodiment two | 141 | >5B | 309 |
| Embodiment three | 142 | >5B | 311 |
| Embodiment four | 139 | >5B | 306 |
| Embodiment five | 143 | >5B | 313 |
| Comparative example one | 122 | 4B | 274 |
| Comparative example two | 118 | 4B | 270 |
The pulpous state system of above-described embodiment is filled in the groove of absorption glazing bar of the dust removal installation in intermetallic composite coating workshop, for removing metallic test after solidification, more than 90% is reached to the clearance of metal in dust, through post precipitation technique, the metal nuisance in dust can be removed completely.
To sum up, rationally, between each component, consistency is good for magnetic pulpous state system composition disclosed by the invention, prepare magnetic pulpous state compound system thus, there is good adhesiveproperties, there is excellent flow leveling, resistance toheat especially, meet the development and application of magnetic pulpous state compound system.
Claims (9)
1. a magnetic pulpous state compound system, is characterized in that, is obtained by the raw material of following weight part:
Allyl group dihydroxyphenyl propane 100 parts
Active filler 28 ~ 35 parts
Acrylic resin prepolymer 125 ~ 132 parts
Trimethylsiloxysilicates 16 ~ 18 parts
Sodium alginate 12 ~ 16 parts
Oyster shell whiting 8 ~ 10 parts
Lauryl alcohol sodium sulfovinate 10 ~ 14 parts
1,3-PD 35 ~ 46 parts
Dimethylaminopropylamine 5 ~ 9 parts
15 ~ 20 parts, water;
Described active filler is prepared by with under type: be added to the water by neodymium iron boron powder, then add graphene oxide, stirs 40 minutes, and then in 170 DEG C of reactions 18 hours, naturally cooling, obtains solid after centrifugal; Dry, mix with titanic acid ester and be active filler;
Described acrylic resin prepolymer is formed through reacting by monofunctional acrylates's ester monomer and nitrogenous vinyl monomer.
2. magnetic pulpous state compound system according to claim 1, it is characterized in that, take benzoyl peroxide as oxygenant, dioxane is solvent, take hydramine as alkali, by the back flow reaction of monofunctional acrylates's ester monomer and nitrogenous vinyl monomer, obtain acrylic resin prepolymer.
3. magnetic pulpous state compound system according to claim 1, it is characterized in that, described monofunctional acrylates's ester monomer is methyl methacrylate, ethyl propenoate, n-butyl acrylate, Propenoic acid, 2-methyl, isobutyl ester, Tert-butyl Methacrylate, 2-(thiophenyl) ethyl propylene acid esters, 2-(p-cumyl-phenoxy group)-ethylhexyl acrylate.
4. magnetic pulpous state compound system according to claim 1, it is characterized in that, the structural formula of described vinyl monomer is
.
5. magnetic pulpous state compound system according to claim 1, it is characterized in that, monofunctional acrylates's ester monomer and nitrogenous vinyl monomer react form acrylic resin prepolymer time, the mol ratio of monofunctional acrylates's ester monomer and nitrogenous vinyl monomer is 1: 0.5.
6. magnetic pulpous state compound system according to claim 1, is characterized in that, the mass ratio of described neodymium iron boron powder and graphene oxide, titanic acid ester is 2: 1.3: 0.04.
7. magnetic pulpous state compound system according to claim 1, it is characterized in that, the median size of described oyster shell whiting is 5 microns.
8. magnetic pulpous state compound system according to claim 1, it is characterized in that, described magnetic pulpous state compound system is obtained by the raw material of following weight part:
Allyl group dihydroxyphenyl propane 100 parts
Active filler 30 parts
Acrylic resin prepolymer 128 parts
Trimethylsiloxysilicates 18 parts
Sodium alginate 15 parts
Oyster shell whiting 8 parts
Lauryl alcohol sodium sulfovinate 11 parts
1,3-PD 42 parts
Dimethylaminopropylamine 8 parts
18 parts, water.
9. magnetic pulpous state compound system according to claim 1, is characterized in that, active filler is added allyl group dihydroxyphenyl propane, mix, obtain mixture; Acrylic resin prepolymer, trimethylsiloxysilicates and dimethylaminopropylamine are mixed, stirs 3 hours, then add mixture, stir 2 hours in 80 DEG C; Add sodium alginate, 1,3-PD, lauryl alcohol sodium sulfovinate again, stir 3 hours in 90 DEG C; Then adjusting system temperature is 45 DEG C, adds oyster shell whiting and water, stirs and within 1.5 hours, obtain magnetic pulpous state compound system under room temperature environment.
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| CN201510582766.XA CN105111804A (en) | 2015-09-15 | 2015-09-15 | Magnetic paste-like compound system |
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| CN201510582766.XA CN105111804A (en) | 2015-09-15 | 2015-09-15 | Magnetic paste-like compound system |
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Citations (6)
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| CN101037555A (en) * | 2007-03-29 | 2007-09-19 | 武汉工程大学 | Inorganic nonmetal magnetic conducting coating and preparation method thereof |
| US20100297343A1 (en) * | 2006-09-29 | 2010-11-25 | Yuichi Satsu | Treating agent for forming a fluoride coating film and method for forming a fluoride coating film |
| CN103409054A (en) * | 2013-08-26 | 2013-11-27 | 昆明梵阗盛科技有限公司 | Magnetic paint |
| CN104436949A (en) * | 2014-11-04 | 2015-03-25 | 中国科学院合肥物质科学研究院 | Device for collecting and filtering steam of metal dust |
| CN104877575A (en) * | 2015-06-18 | 2015-09-02 | 苏州奇泰电子有限公司 | Room-temperature-curable BGA package reinforcing adhesive as well as preparation method and application thereof |
| CN104893218A (en) * | 2015-07-02 | 2015-09-09 | 苏州云舒新材料科技有限公司 | Mold-proof semisolid composite system |
-
2015
- 2015-09-15 CN CN201510582766.XA patent/CN105111804A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100297343A1 (en) * | 2006-09-29 | 2010-11-25 | Yuichi Satsu | Treating agent for forming a fluoride coating film and method for forming a fluoride coating film |
| CN101037555A (en) * | 2007-03-29 | 2007-09-19 | 武汉工程大学 | Inorganic nonmetal magnetic conducting coating and preparation method thereof |
| CN103409054A (en) * | 2013-08-26 | 2013-11-27 | 昆明梵阗盛科技有限公司 | Magnetic paint |
| CN104436949A (en) * | 2014-11-04 | 2015-03-25 | 中国科学院合肥物质科学研究院 | Device for collecting and filtering steam of metal dust |
| CN104877575A (en) * | 2015-06-18 | 2015-09-02 | 苏州奇泰电子有限公司 | Room-temperature-curable BGA package reinforcing adhesive as well as preparation method and application thereof |
| CN104893218A (en) * | 2015-07-02 | 2015-09-09 | 苏州云舒新材料科技有限公司 | Mold-proof semisolid composite system |
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Application publication date: 20151202 |