CN1422914A - Polystyrene styrene-butadiene rubber anticorrosive coating - Google Patents
Polystyrene styrene-butadiene rubber anticorrosive coating Download PDFInfo
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Abstract
The invention refers to a polystyrene butyl phenyl rubber anticorrosive coating. It adds butyl-phenyl rubber and epoxy resin to denature the polystyrene resin. It adopts thin-pass, mixing-dissolution and rubbing to make the high-anticorrosion new anticorrosive coating. It has advantages of high content of solid, low visocisty, rapid film desiccation. It can be applied to equipment, pipeline and building inner-outer wall, badly and chronically corroded by the acid, alkali and all chemical drugs in the industries such as oil refining, chemical industry, mechanism, chemical fiber, rubber, dying, fertilizer, building and metallurgy.
Description
Technical field
The present invention relates to thermoset, thermoplasticity protective system, particularly relate to polystyrene styrene-butadiene rubber anticorrosive coating.
Background technology
After " the Seventh Five-Year Plan ", China has successively developed anti-corrosive paint of epoxy resin, resol protective system, anti-corrosion polyurethane coating, chlorinated polyvinyl chloride protective system, chlorinated rubber protective system or the like, but often purposes is single, over-all properties is relatively poor for they, good as its antiseptic property of anti-corrosive paint of epoxy resin, but its water tolerance, weathering resistance and thermotolerance are all relatively poor.Along with progress of science and technology, after the eighties, the chlorosulfonated polythylene coatings that excellent performance occurred, it has good fast light chlorination, resistance to weathering energy, good chemical resistance, good humidity resistance, cold-resistant thermotolerance, excellent physical and mechanical properties etc., but its price is higher relatively.Therefore researching and developing a kind of protective system inexpensive, efficient, durable, easy to use becomes an important research project.
Polystyrene (PS) has that resistant to chemical media is good, paint film appearance is good, the fireballing characteristics of drying varniss, but PS also has shortcoming clearly: poor adhesive force, paint film toughness and poor impact resistance.According to the characteristics of polystyrene, do film-forming resin with it and can produce the good protective system of antiseptic property.Many research work have been carried out in this field both at home and abroad, adopt the method p-poly-phenyl ethenoid resin that polystyrene resin and styrene-butadiene rubber(SBR) are carried out hot milling to carry out modification as patent CN1162611, add an amount of color stuffing and auxiliary agent then and develop a kind of protective system.Its antiseptic property is pretty good, and paint film toughness and shock-resistance also are improved, but because polystyrene and the butylbenzene inherent defect of glue mutually, adhesive force of coatings and hardness have certain defective; Patent CN1056397 directly makes film-forming resin with deposed polystyrene, and with Resins, epoxy it is carried out modification, and the sticking power of resin is improved significantly, but the hardness of paint film and antiseptic property have certain defective.
Summary of the invention
The objective of the invention is to overcome the weak point of above-mentioned polystyrene protective system, prepare novel polyphenyl ethene styrene-butadiene rubber anticorrosive coating efficient, durable, excellent performance.
Purpose of the present invention can be realized by following technical scheme:
Protective system a, contain solvent, film-forming resin, auxiliary agent, color stuffing, the weight proportion of composing that it is characterized in that described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(80～180): (3～50): (100～200) are (100～150): (5～20): (120～170) preferably.
The number-average molecular weight of polystyrene of the present invention is 5～80,000.It can adopt waste old polystyrene foamed plastic to obtain through the thin-pass degraded, also can directly adopt low-molecular-weight polystyrene; The number-average molecular weight of styrene-butadiene rubber(SBR) of the present invention is 6～100,000.It can adopt industrial styrene-butadiene rubber(SBR) to obtain through the thin-pass degraded, also can directly adopt low-molecular-weight styrene-butadiene rubber(SBR).
Resins, epoxy of the present invention is the Resins, epoxy of E type Resins, epoxy, linear loop epoxy resins or other types.Their oxirane value is 0.3～0.6 equivalent/100g resin.
The selected solvent of the present invention is butanone, toluene, dimethylbenzene, N-BUTYL ACETATE etc.
The weight proportion of composing of the main composition of protective system a is: solvent: film-forming resin: auxiliary agent: color stuffing=(350～650): (150～250): (5～50): (150～300).
Protective system a is got by the following step preparation:
(1) with number-average molecular weight is 5～80,000 polystyrene resin wiring solution-forming;
(2) with number-average molecular weight be 6～100,000 styrene-butadiene rubber(SBR) wiring solution-forming;
(3) with step (1) gained solution, step (2) gained solution and Resins, epoxy by fully mixing in the prescription requirement admixture batch can;
(4) adding auxiliary agent, color stuffing fully stir, grind, filter.
This coating can be used as priming paint and commercially available any colored paint, finish paint is used, also can be separately as protective system by being coated with the reload request brushing.
Protective system b, contain solvent, film-forming resin, auxiliary agent, color stuffing, the weight proportion of composing that it is characterized in that described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(120～220): (3～50): (50～150) are: polystyrene resin: styrene-butadiene rubber(SBR) preferably: Resins, epoxy=(140～190): (5～20): (70～120).
The number-average molecular weight of polystyrene of the present invention is 5～80,000.It can adopt waste old polystyrene foamed plastic to obtain through the thin-pass degraded, also can directly adopt low-molecular-weight polystyrene; The number-average molecular weight of styrene-butadiene rubber(SBR) of the present invention is 6～100,000.It can adopt industrial styrene-butadiene rubber(SBR) to obtain through the thin-pass degraded, also can directly adopt low-molecular-weight styrene-butadiene rubber(SBR).
Resins, epoxy of the present invention is the Resins, epoxy of E type Resins, epoxy, linear loop epoxy resins or other types.Their oxirane value is 0.3～0.6 equivalent/100g resin.
The selected solvent of the present invention is butanone, toluene, dimethylbenzene, N-BUTYL ACETATE etc.
The weight proportion of composing of the main composition of protective system b is: solvent: film-forming resin: auxiliary agent: color stuffing=(350～650): (180～300): (5～50): (150～250).
Protective system b is got by the following step preparation:
(3) with number-average molecular weight be 5～80,000 polystyrene resin wiring solution-forming;
(4) with number-average molecular weight be 6～100,000 styrene-butadiene rubber(SBR) wiring solution-forming;
(3) with step (1) gained solution, step (2) gained solution and Resins, epoxy by fully mixing in the prescription requirement admixture batch can;
(4) adding auxiliary agent, color stuffing fully stir, grind, filter.
This coating can be used as colored paint and commercially available any priming paint, finish paint is used, and also can be used with protective system a of the present invention.
Protective system c, contain solvent, film-forming resin, auxiliary agent, the weight proportion of composing that it is characterized in that described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(150～250): (3～50): (50～150) are: polystyrene resin: styrene-butadiene rubber(SBR) preferably: Resins, epoxy=(170～230): (5～20): (70～130).
The number-average molecular weight of polystyrene of the present invention is 5～80,000.It can adopt waste old polystyrene foamed plastic to obtain through the thin-pass degraded, also can directly adopt low-molecular-weight polystyrene; The number-average molecular weight of styrene-butadiene rubber(SBR) of the present invention is 6～100,000.It can adopt industrial styrene-butadiene rubber(SBR) to obtain through the thin-pass degraded, also can directly adopt low-molecular-weight styrene-butadiene rubber(SBR).
Resins, epoxy of the present invention is the Resins, epoxy of E type Resins, epoxy, linear loop epoxy resins or other types.Their oxirane value is 0.3～0.6 equivalent/100g resin.
The selected solvent of the present invention is butanone, toluene, dimethylbenzene, N-BUTYL ACETATE etc.
The weight proportion of composing of the main composition of protective system c is: solvent: film-forming resin: auxiliary agent=(350～650): (250～450): (5～50).
Protective system c is got by the following step preparation:
(1) with number-average molecular weight is 5～80,000 polystyrene resin wiring solution-forming;
(2) with number-average molecular weight be 6～100,000 styrene-butadiene rubber(SBR) wiring solution-forming;
(3) with step (1) gained solution, step (2) gained solution and Resins, epoxy by fully mixing in the prescription requirement admixture batch can;
(4) adding auxiliary agent mixes.
This coating can be used as finish paint and commercially available any priming paint, colored paint is used, and also can be used with protective system a of the present invention and protective system b.
Now that technical scheme of the present invention concrete analysis is as follows: 1. filmogen
Polystyrene has that resistant to chemical media is good, paint film appearance is good, the fireballing characteristics of drying varniss, but polystyrene also has shortcoming clearly: poor adhesive force, paint film toughness and poor impact resistance.We find that styrene-butadiene rubber(SBR) can improve the toughness and the shock-resistance of coating well.And Resins, epoxy can improve the viscosity and the sticking power of coating well, and polystyrene, styrene-butadiene rubber(SBR), Resins, epoxy intermiscibility are fine.Through repeatedly screening, finally being specified to the film resin system be: polystyrene-styrene-butadiene rubber(SBR)-Resins, epoxy.2. the formulating of recipe of film-forming resin
The characteristics of protective system a are that the sticking power to the coated article surface is good, rate of drying is fast, and have certain toughness, shock-resistance and resistant to chemical media, and therefore polystyrene is less in the prescription, styrene-butadiene rubber(SBR) is an amount of, Resins, epoxy is some more; The characteristics of protective system b are that resistant to chemical media is good, paint film toughness and shock-resistance are good, and rate of drying is fast, and therefore polystyrene is some more in the prescription, styrene-butadiene rubber(SBR) an amount of, Resins, epoxy is some more; The characteristics of protective system c are that outward appearance is good, resistant to chemical media is good, toughness and shock-resistance are good, and therefore polystyrene is some more in the prescription, styrene-butadiene rubber(SBR) an amount of, Resins, epoxy is less.Through repeatedly repetition test screening, the weight proportion of composing of the film-forming resin of protective system a is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(80～180): (3～50): (100～200) are (100～150): (5～20): (120～170) preferably; The weight proportion of composing of the film-forming resin of protective system b is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(120～220): (3～50): (50～150) are: polystyrene resin: styrene-butadiene rubber(SBR) preferably: Resins, epoxy=(140～190): (5～20): (70～120); The weight proportion of composing of the film-forming resin of protective system c is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(150～250): (3～50): (50～150). be preferably: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(170～230): (5～20): (70～130).3. the degraded of polystyrene, styrene-butadiene rubber(SBR) molecular weight
Generally, the molecular weight of polystyrene, styrene-butadiene rubber(SBR) generally 10～more than 200,000, the dissolving difficulty, and intermiscibility is very poor, even after the dissolving, the concentration of solution is not high yet, viscosity is also very big, is unfavorable for the preparation of coating, their molecular weight must be degraded.Among the present invention, the degraded of polystyrene, styrene-butadiene rubber(SBR) molecular weight mainly realizes by thin-pass technology.Promptly on twin-roll machine, plasticate, to reach the purpose of molecular weight degradation.4. choice of Solvent
In order to make coating itself that uniform continuity be arranged, to keep good bonding force, no matter be polymkeric substance or solvent, its mutual solubility parameter is approaching more, and its mutual solubility is good more.Therefore we select for use butanone, toluene, dimethylbenzene, N-BUTYL ACETATE etc. to make solvent.5. the selection of auxiliary agent
Protective system not only needs higher impact strength, and needs good toughness.Determine that through testing phthalic acid ester is as softening agent; Select for use two Propiophenone classes to make anti-aging agent; Can also add UV light absorber, anti-sedimentation agent, flow agent, binding agent etc.6. pigment and filler selection
The used pigment of the present invention is the same with other coating with filler, but acid nonfast can not uses such as light calcium carbonate, zinc oxide.Pigment commonly used has iron oxide red, minium, zinc-chrome yellow, mica powder, Rutile type Titanium Dioxide etc.Filler commonly used has blaue fixe, mica powder, terra alba, talcum powder etc.
In sum, the present invention has the following advantages: (1) adopts styrene-butadiene rubber(SBR) p-poly-phenyl ethene to carry out modification, and the snappiness of coating, wear resistance, erosion-resisting characteristics improve greatly.(2) adopt Resins, epoxy p-poly-phenyl ethene to carry out modification, ADHESION OF PAINTS and mechanical property improve greatly.(3) adopt thin-pass degradation technique p-poly-phenyl ethene, styrene-butadiene rubber(SBR) to degrade, the molecular resin amount is reduced greatly, consistency improves greatly, and solubility property also significantly improves simultaneously.(4) protective system coating rate of drying of the present invention is fast, and resistant to chemical media, paint film toughness and shock-resistance are superior.
Embodiment
Be described further the present invention in order to illustrate better, but the present invention is not limited to following embodiment below in conjunction with embodiment.
(1) preparation of polystyrene resin solution
Test 1. is carried out thin-pass degraded with the 1000.0g polystyrene resin, packing thin-pass 20 times, and control was plasticated the time at 20 minutes, and the polystyrene resin after will degrading then dissolves, and obtains concentration and be 25% polystyrene resin solution.The method that test 2～4 prepares the degraded polystyrene resin solution is identical with test 1, and degradation technique condition and The performance test results are listed in the table 1.
Table 1
(2) preparation of styrene-butadiene rubber(SBR) solution
| Sequence number | The thin-pass time (minute) | Strength of solution (%) | Solution T-4 cup viscosity (s) | Number-average molecular weight |
| Test 1 | 20 | ?25 | ?108 | ?57000 |
| Test 2 | 15 | ?30 | ?120 | ?62000 |
| Test 3 | 15 | ?35 | ?147 | ?66000 |
| Test 4 | 30 | ?30 | ?124 | ?73000 |
Test 5. is carried out thin-pass degraded with 500.0g styrene-butadiene rubber(SBR), packing thin-pass 20 times, and control was plasticated the time at 30 minutes, and the styrene-butadiene rubber(SBR) after will degrade then dissolves, and obtains concentration and be 5% styrene-butadiene rubber(SBR) solution.The method that test 6～7 prepares degraded styrene-butadiene rubber(SBR) solution is identical with test 5, and degradation technique condition and The performance test results are listed in the table 2.
Table 2
| Sequence number | The thin-pass time (minute) | Strength of solution (%) | Solution T-4 cup viscosity (s) | Number-average molecular weight |
| Test 5 | ?20 | ?5 | ?54 | ?65000 |
| Test 6 | ?15 | ?7 | ?65 | ?72000 |
| Test 7 | ?15 | ?10 | ?79 | ?78000 |
| Test 8 | ?30 | ?15 | ?104 | ?84000 |
(3) preparation of protective system a
Test 9. is with the polystyrene resin solution in the 350.0g test 1, and the styrene-butadiene rubber(SBR) solution in the 100.0g test 5 in the 100.0g Resins, epoxy adding 1000ml beaker, fully mixes.In beaker, add red iron oxide 200.0g then, softening agent 15.0g, coupling agent 5.0g, toluene 230.0g fully stirs, and grinds with sand mill then.Fineness is surveyed in sampling, when fineness reaches below 50 microns, filters blowing with 120 order gauzes.
Get the tinplate of 6 150mm * 70mm, polish repeatedly, remove surface dirt, use the sherwood oil scrub again, dry with 120 order sand paper.Adopt and brush technology, make paint film.Getting wherein a model tests.
The preparation method of test 10～12 is identical with test 9, just the proportioning raw materials difference.
J-52-2 chlorosulfonated polyethylene anti-corrosion primer 30 grams are got in test 13., by being coated with 6 priming paint models of reload request preparation.
H-52-33 epoxy anticorrosion primer 30 grams are got in test 14., by being coated with 6 priming paint models of reload request preparation.
The test-results of test 9～14 is listed in table 3.
Table 3 project test 9 tests 10 tests 11 tests 12 tests 13 test 14 polystyrene solutions (g) 350.0 (1) # 400.0 (2) 350.0 (4) 250.0 (3) butadiene-styrene rubber solution (g) 100.0 (5) 150.0 (7) 260.0 (6) 60.0 (8) epoxy resin (g) 100.0 180.0 140.0 200.0 iron oxide reds (g) 200.0 200.0 200.0 250 plasticizer (g) 15.0 15.0 20.0 30.0 coupling agent (g) 5.0 5.0 10.0 15.0 toluene (g) 230.0 50.0 20.0 195.0 viscosity; S 35 45 41 45 60 66 fineness, μ m 30 26/1.30 70 50 time of drying, h
Surface drying 0.4 0.4 0.4 0.4 0.5 5
Do solid work 17 18 21 21 24 24 snappinesies, mm 111111 sticking power, level 111111 shock resistances, Kg.cm 50 50 50 50 50 50
Annotate: the numeral test number in the # bracket.
(4) preparation of protective system b
Test 15. is with the polystyrene resin solution in the 500.0g test 2, and the styrene-butadiene rubber(SBR) solution in the 150.0g test 6 in the 80.0g Resins, epoxy adding 1000ml beaker, fully mixes.In beaker, add red iron oxide 100.0g then, the 100.0g titanium dioxide, softening agent 10.0g, coupling agent 10.0g, toluene 50.0g fully stirs, and grinds with sand mill then.Fineness is surveyed in sampling, when fineness reaches below 50 microns, filters blowing with 120 order gauzes.
The preparation process of revision test 15 tests 16～18 by the composition of raw materials in the table 4.
Get the paint film model that 4 tests prepare in 11～12 respectively, get the coating of test 15～16 preparations, adopt and brush prepared and get coating a-coating b model, get wherein a model respectively and test.
Get the paint film model that 4 tests prepare in 13～14 respectively, get the coating of test 17～18 preparations, adopt and brush prepared and get coating J-52-2-coating b model and coating H-52-33-coating b model, get wherein a model respectively and test.
The paint film model that 4 tests prepare in 9 is got in test 19., gets J-52-90 chlorosulfonated polyethylene antifouling paste 30 grams, adopts to brush prepared and get coating a-coating J-52-90 model, gets wherein a model and tests.
The paint film model that 4 tests prepare in 10 is got in test 20., gets G-52-31 and crosses chlorine sulphur ethylene antifouling paste 30 grams, adopts to brush prepared and get coating a-coating G-52-31 model, gets wherein a model and tests.
Test-results is listed in table 4.
Table 4 project test 15 tests 16 tests 17 tests 18 tests 19 test 20 polystyrene solutions (g) 500.0 (2) # 500.0 (1) 350.0 (4) 350.0 (3) butadiene-styrene rubber solution (g) 150.0 (6) 150.0 (5) 200.0 (7) 60.0 (8) epoxy resin (g) 80.0 150.0 140.0 200.0 iron oxide reds (g) 100.0 80.0 90.0 250 titanium dioxides (g) 100.0 70.0 80.0 30.0 plasticizer (g) 10.0 10.0 20.0 10.0 coupling agent (g) 10.0 10.0 10.0 15.0 toluene (g) 50.0 30.0 110.0 85.0 viscosity; S 45 45 42 45 75 65 fineness; 30 26 35 30 80 65 drying times of μ m, h
Surface drying 0.4 0.4 0.4 0.4 0.5 0.4
Do solid work 17 18 21 21 24 18 snappinesies, mm 111111 sticking power (cross-hatching) level 111111 shock resistances, Kg.cm 50 50 50 50 50 50
Annotate: the numeral test number in the # bracket.
(5) preparation of protective system c
Test 21. is with the polystyrene resin solution in the 700.0g test 3, and 200.0g tests the styrene-butadiene rubber(SBR) solution in 7, Resins, epoxy 100.0g, and softening agent 20.0g adds in the 1000ml beaker, fully mixes and promptly gets coating c.
Press the prescription of table 5, the step of revision test 21 tests 21～26.Get 2 test 15～20 coating models that prepare respectively, adopt brushing technology to make the compound coating model respectively, test 21-22 makes coating a-coating b-coating c model, test 23 makes coating J-52-2-coating b-coating c model, test 24 makes coating H-52-33-coating b-coating c, test 25 makes coating a-coating J-52-90-coating c, and test 26 makes coating a-coating G-52-31-coating c model, gets wherein a model and tests.Test-results is listed in table 5.
Table 5
##Project test 21 tests 22 tests 23 tests 24 tests 25 test 26 polystyrene solutions (g) 650.0 (3)
#700.0, (1) 800.0, (4) 400.0, (3) 500.0, (2) 800.0, (1) butadiene-styrene rubber solution, (g) 200.0, (7) 150.0, (5) 80.0, (6) 120.0, (8) 180.0, (7) 100.0, (8) epoxy resin, (g) 100.0 140.0 50.0 100.0 80.0 50.0 plasticizer, (g) 20.0 10.0 20.0 20.0 15.0 20.0 toluene, (g) 30.0 50.0 360.0 225.0 30.0 viscosity; S 41 45 42 35 33 42 fineness; 30 26 35 30 35 35 drying times of μ m, h
Surface drying 0.4 0.4 0.4 0.4 0.3 0.4
Do solid work 17 18 21 21 19 21 pliabilities; Mm 111111 adhesive force; Level 111111 impact resistances, Kg.cm 50 50 50 50 50 5030% salt acid soak 500++++++ day non-foaming 42%KOH that do not come off soaks 500++++++ day non-foaming do not come off++++++ 3% saline sook 500 days is non-foaming not to come off
Annotate: the numeral test number in the # bracket.
The acid resistance that ## films, alkali resistance and resistance to salt water are only tested the coating compound coating, and+expression is passed through, and X represents not pass through.
Claims (15)
1. a protective system contains solvent, film-forming resin, auxiliary agent, color stuffing, it is characterized in that the weight proportion of composing of described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(80～180): (3～50): (100～200).
2. protective system as claimed in claim 1 is characterized in that the weight proportion of composing of described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(100～150): (5～20): (120～170).
3. protective system as claimed in claim 1, the number-average molecular weight that it is characterized in that described polystyrene is 5～80,000, the number-average molecular weight of described styrene-butadiene rubber(SBR) is 6～100,000.
4. protective system as claimed in claim 1, the oxirane value that it is characterized in that described Resins, epoxy are 0.3～0.6 equivalent/100g resin.
5. protective system as claimed in claim 1 is characterized in that its weight proportion of composing of mainly forming is: solvent: film-forming resin: auxiliary agent: color stuffing=(350～650): (150～250): (5～50): (150～300).
6. a protective system contains solvent, film-forming resin, auxiliary agent, color stuffing, it is characterized in that the weight proportion of composing of described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(120～220): (3～50): (50～150).
7. protective system as claimed in claim 6 is characterized in that the weight proportion of composing of described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(140～190): (5～20): (70～120).
8. protective system as claimed in claim 6, the number-average molecular weight that it is characterized in that described polystyrene is 5～80,000, the number-average molecular weight of described styrene-butadiene rubber(SBR) is 6～100,000.
9. protective system as claimed in claim 6, the oxirane value that it is characterized in that described Resins, epoxy are 0.3～0.6 equivalent/100g resin.
10. protective system as claimed in claim 6 is characterized in that its weight proportion of composing of mainly forming is: solvent: film-forming resin: auxiliary agent: color stuffing=(350～650): (180～300): (5～50): (150～250).
11. a protective system contains solvent, film-forming resin, auxiliary agent, it is characterized in that the weight proportion of composing of described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(150～250): (3～50): (50～150).
12. protective system as claimed in claim 11 is characterized in that the weight proportion of composing of described film-forming resin is: polystyrene resin: styrene-butadiene rubber(SBR): Resins, epoxy=(170～230): (5～20): (70～130).
13. protective system as claimed in claim 11, the number-average molecular weight that it is characterized in that described polystyrene is 5～80,000, and the number-average molecular weight of described styrene-butadiene rubber(SBR) is 6～100,000.
14. protective system as claimed in claim 11, the oxirane value that it is characterized in that described Resins, epoxy are 0.3～0.6 equivalent/100g resin.
15. protective system as claimed in claim 11 is characterized in that its weight proportion of composing of mainly forming is: solvent: film-forming resin: auxiliary agent=(350～650): (250～450): (5～50).
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- 2001-11-29 CN CN 01135214 patent/CN1185313C/en not_active Expired - Fee Related
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| CN106634249A (en) * | 2016-12-23 | 2017-05-10 | 安徽家德利门业有限公司 | Anticorrosive paint composition and preparation method thereof |
| CN107266985A (en) * | 2017-07-27 | 2017-10-20 | 佛山市正略信息科技有限公司 | A kind of etch-proof top layer diaphragm of metal steel pipe and preparation method thereof |
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| CN1185313C (en) | 2005-01-19 |
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