CN1035515C - Anticorrosive antisticking and wear proof lubricating painting materials - Google Patents
Anticorrosive antisticking and wear proof lubricating painting materials Download PDFInfo
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- CN1035515C CN1035515C CN91103301A CN91103301A CN1035515C CN 1035515 C CN1035515 C CN 1035515C CN 91103301 A CN91103301 A CN 91103301A CN 91103301 A CN91103301 A CN 91103301A CN 1035515 C CN1035515 C CN 1035515C
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Abstract
The present invention relates to corrosion-proof anti-sticking wear-resistant lubricating paint, particularly to corrosion-proof anti-sticking wear-resistant lubricating paint and a coating method thereof. The paint is compounded from a binding agent, a solid lubricant, a wear-resistant additive, a solidifying agent and an organic solvent, wherein the binding agent adopts phenolic epoxy resin, nitrile rubber and epoxy resin; the solid lubricant is compounded from polytetrafluoroethylene and NCA; the wear-resistant additive is metallic oxide; the solidifying agent adopts phthalic anhydride or hexanediamine. Coatings have the characteristics that the wear-resistant service life is from 3000 to 10000 m/mum, and the friction coefficient is from 0.15 to 0.22. The present invention is suitable for metallic materials and hard non-metallic materials, and coatings can be used at normal temperature to 220 DEG C.
Description
The present invention has narrated a kind of anticorrosive antisticking and wear proof lubricating painting materials, specifically, the present invention relates to use the slip coating by tetrafluoroethylene-novolac epoxy type, it is adapted at using under the normal temperature-220 ℃ temperature and being suitable for the anticorrosion, antiseized, wear-resisting of 150-210 ℃ of equipment that is heating and curing, component and lubricated.
Generally speaking, the coating effect of mechanical means, component surface is all more single.The normally used coating of people all lack possess the cohesive strength height simultaneously, snappiness is good, shock resistance, protection against corrosion, friction durability over-all properties such as length, low-friction coefficient.Chinese patent (87100921) discloses a kind of corrosion-resistant abrasion coating of being made up of Resins, epoxy E12, glass-cermic powder, Dyhard RU 100, nylon powder, polyvinyl butyral acetal, effect anticorrosion, wear-resisting reinforcement that this coating has concurrently, but its shock resistance, lubricant effect are not good.
The objective of the invention is to overcome outside the above-mentioned the deficiencies in the prior art, and provide over-all propertieies such as a kind of protection against corrosion, antiseized, shock resistance, wear-resistant and frictional behaviour, snappiness, cohesive strength outstanding, at the normal temperature-220 ℃ slip coating that uses down.Another object of the present invention provides the coating method of this coating.
Purpose of the present invention realizes by following measure:
Slip coating of the present invention is made up of binding agent, solid lubricant, anti-wear additive and multiple organic solvent, binding agent is selected novolac epoxy, paracril and Resins, epoxy for use, solid lubricant is made up of tetrafluoroethylene and melamine cyanurea complex compound (NCA), and anti-wear additive is selected metal oxide for use; Solidifying agent is Tetra hydro Phthalic anhydride or hexanediamine, and ketone, alcohol, benzene organic solvent are mixed the composition mixed solvent mutually.
Anticorrosive antisticking and wear proof lubricating painting materials of the present invention specifically consists of (in parts by weight): 100 parts of novolac epoxys, paracril 6-13 part, Resins, epoxy 10-15 part, tetrafluoroethylene 40-100 part, melamine cyanurea complex compound 30-45 part, metal oxide 9-30 part, solidifying agent 32-40 part, organic mixed solvent 1100-1700 part.
Adopt novolac epoxy, paracril and Resins, epoxy, can make coating have excellent cohesive force, higher mechanical strength and good snappiness.
Its structure of phenolic aldehyde epoxy resin is to contain plural epoxy group(ing) in each molecule, and its thermostability and mechanical property are all very good.Its oxirane value is smaller or equal to 0.44, and softening temperature is smaller or equal to 70 ℃.
For guaranteeing that binding agent has enough toughness, added paracril, Resins, epoxy in the coating, so that being the coating of main binder, novolac epoxy obtains higher friction durability.
Acrylonitrile content is between 37.2-38.5% in the paracril of the present invention, and molecular weight is 3000-10000.
Resins, epoxy of the present invention can be one of them of 6101 Resins, epoxy, 618 Resins, epoxy, 601 Resins, epoxy, but preferably selects 618 Resins, epoxy or 6101 Resins, epoxy for use.The oxirane value of 6101 Resins, epoxy is 0.41-0.47, softening temperature 12-20 ℃, and molecular-weight average 450.618 Resins, epoxy oxirane values are 0.48-0.54, liquid.The oxirane value 0.18-0.22 of 601 Resins, epoxy, softening temperature 64-76 ℃.
Tetrafluoroethylene has very low frictional coefficient, the chemical stability of height, and the use temperature scope of broad and complete uninflammability, its intermolecular attraction and associated surface free energy are very low.The adding of melamine cyanurea complex compound is guaranteed wear-resisting, the antiseized ability of coating, and can improve the anti-portative power of tetrafluoroethylene.
Tetrafluoroethylene of the present invention needs promptly to use cobalt source 2.5 * 10 through radiation treatment
7-3.3 * 10
7Draw through radiation treatment.Its surface energy is improved, and the cohesion tendency lowers, and more does well out of to disperse.The tetrafluoroethylene granularity is below 2 μ m.
Melamine cyanurea complex compound (WCA) is a kind of white solid powder with soapy feeling, is surface structure, molecular weight 255.2, proportion 1.52, granularity 0.5-5 μ m, heat decomposition temperature 440-459 ℃.
Metal oxide of the present invention can be selected one of them of aluminum oxide, cupric oxide, Cadmium oxide for use, but preferably select Cadmium oxide for use.The adding of metal oxide can improve the hardness of coating, and more favourable to improving wear resistance, metal oxide is Powdered, granularity 0.5--8 μ m.
Novolac epoxy and solidifying agent curing cross-linked together reticulate the giant molecule of structure, can cannot not become moltenly insoluble cured product.Solidifying agent is selected Tetra hydro Phthalic anhydride or hexanediamine for use.
Ketone, alcohol, benzene mixed solvent can dissolve novolac epoxy and lubricated solid lubricant and other additive well, and are convenient to spraying.The alcohol that is suitable for is propyl carbinol and isopropylcarbinol, and ketone is that acetone, pimelinketone, butanone, benzene class are benzene,toluene,xylene.Preferably select the organic solvent of the mixed solution of acetone, butanone, propyl carbinol, toluene for use as slip coating.Specifically consist of (volumn concentration): acetone 30-55%, butanone 8-28%, propyl carbinol 20-40%, toluene 0-26%.
The present invention can also realize by following measure:
To carry out ground and mixed through tetrafluoroethylene, melamine cyanurea complex compound, the metal oxide of radiation treatment earlier, then novolac epoxy, paracril, resin are dissolved in the organic solvent, ground solid material adds in the dissolved binder solution, fill to send out and stir, adding solidifying agent at last promptly becomes anticorrosive antisticking and wear proof lubricating painting materials of the present invention.
Slip coating of the present invention is not only applicable to the spraying of metallic substance, and is adapted at the coating of hard non-metallic materials such as graphite, nylon block, solidifies indeformable material but material must be adapted at 150-210 ℃.
When metal material surface applies, need to be with full phase sand papering to smooth finish
Put in the acetone to clean and remove dirtyly, dry stand-byly, before the spraying of hard non-metallic materials such as graphite, nylon block, must carry out surface roughening, can adopt that surface sand-blasting is handled, cleaning is dried stand-by then material.
Coating method of the present invention is achieved in that
Under 0.20-0.3MPa air pressure, make gun slot apart from object 150-200 millimeter, with paint spay-coating in article surface, in air, be placed to the low boiling point solvent volatilization, in baking oven, slowly be warming up to 100 ℃ of Procuring 0.5-1.0 hours then, cause solvent evaporates in the coating too fast and bubble, chap, reduce the cohesive strength of coating in case temperature rise is too fast.Be warming up to 150-210 ℃ then, constant temperature naturally cools to room temperature more than 2 hours then.Coat-thickness of the present invention is controlled at 20-100 μ m can reach satisfied effect.
Characteristics of the present invention are as follows:
Coating is at Timken (ring-piece) trier 312 newton load, and under the 2.5 meter per second linear velocity conditions, frictional coefficient is between 0.15-0.22, and be 3000-10000m/ μ m friction durability.
Other technical performance index is listed in the table below 1:
| Measuring method | Cohesive strength (drawing the circle method) | Snappiness (mm) | Resistance to impact shock (square impact) | 80cm100h35 ℃ of corrodibility 5%NaCl precipitation capacity 1-2ml/ | The contact angle of water |
| Measuring method | GB1720-79 | GB1731-79 | GB1732-79 | HB85030 | |
| Measurement result | Secondary | Coating does not have and peels off | The coating flawless | The no rust staining in surface | 98-103 |
Hard non-metallic material is drawn the contact angle determination (effect is identical) of circle method mensuration and water.
Most preferred embodiment of the present invention is as follows: example 1 novolac epoxy 100 grams
Paracril 7.0 grams
618 Resins, epoxy, 14.3 grams
Tetrafluoroethylene 72 grams
Melamine cyanurea complex compound 35 grams
Cadmium oxide 16.1 grams
Tetra hydro Phthalic anhydride 35 grams
600 milliliters in acetone
500 milliliters of butanone
600 milliliters of propyl carbinols
300 milliliters of examples of toluene, 2 novolac epoxys, 100 grams
Paracril 11.0 grams
618 Resins, epoxy, 10.2 grams
Tetrafluoroethylene 44 grams
Melamine cyanurea complex compound 43 grams
Cadmium oxide 9.3 grams
Tetra hydro Phthalic anhydride 36.4 grams
600 milliliters in acetone
225 milliliters of butanone
375 milliliters of propyl carbinols
300 milliliters of examples of toluene, 3 novolac epoxys, 100 grams
Paracril 12.5 grams
619 Resins, epoxy, 12.3 grams
Tetrafluoroethylene 90 grams
Melamine cyanurea complex compound 39 grams
Cadmium oxide 27 grams
Tetra hydro Phthalic anhydride 39.7 grams
800 milliliters in acetone
160 milliliters of butanone
560 milliliters of propyl carbinols
80 milliliters of examples of toluene, 4 novolac epoxys, 100 grams
Paracril 9.2 grams
618 Resins, epoxy, 13.8 grams
Tetrafluoroethylene 72 grams
Melamine cyanurea complex compound 44 grams
Cadmium oxide 20 grams
Tetra hydro Phthalic anhydride 38.0 grams
540 milliliters in acetone
450 milliliters of butanone
360 milliliters of propyl carbinols
450 milliliters of examples of toluene, 5 novolac epoxys, 100 grams
Paracril 12.0 grams
618 Resins, epoxy, 11.6 grams
Tetrafluoroethylene 55 grams
Melamine cyanurea complex compound 39 grams
Cadmium oxide 8.0 grams
Hexanediamine 38.0 grams
680 milliliters in acetone
170 milliliters of butanone
680 milliliters of propyl carbinols
170 milliliters of examples of toluene, 6 novolac epoxys, 100 grams
Paracril 6.5 grams
618 Resins, epoxy, 13.2 grams
Tetrafluoroethylene 60 grams
Melamine cyanurea complex compound 38 grams
Cadmium oxide 24 grams
Hexanediamine 39 grams
900 milliliters in acetone
500 milliliters of butanone
600 milliliters of examples of propyl carbinol, 7 novolac epoxys, 100 grams
Paracril 8.7 grams
618 Resins, epoxy, 12.9 grams
Tetrafluoroethylene 88 grams
Melamine cyanurea complex compound 33.6 grams
Cadmium oxide 19 grams
Hexanediamine 37.5 grams
770 milliliters in acetone
280 milliliters of butanone
350 milliliters of examples of propyl carbinol, 8 novolac epoxys, 100 grams
Paracril 12.3 grams
601 Resins, epoxy, 11.0 grams
Tetrafluoroethylene 50 grams
Melamine cyanurea complex compound 34.9 grams
Cadmium oxide 24 grams
Tetra hydro Phthalic anhydride 36.9 grams
570 milliliters in acetone
190 milliliters of butanone
760 milliliters of propyl carbinols
380 milliliters of examples of toluene, 9 novolac epoxys, 100 grams
Paracril 6.0 grams
618 Resins, epoxy, 14.2 grams
Tetrafluoroethylene 71 grams
Melamine cyanurea complex compound 33 grams
Cupric oxide 20 grams
Hexanediamine 36.8 grams
720 milliliters in acetone
270 milliliters of butanone
630 milliliters of propyl carbinols
180 milliliters of examples of toluene, 10 novolac epoxys, 100 grams
Paracril 7.4 grams
6101 Resins, epoxy, 14.0 grams
Tetrafluoroethylene 45 grams
Melamine cyanurea complex compound 36 grams
Cupric oxide 23.6 grams
Hexanediamine 35.6 grams
640 milliliters in acetone
448 milliliters of butanone
400 milliliters of propyl carbinols
112 milliliters of examples of toluene, 11 novolac epoxys, 100 grams
Paracril 7.3 grams
6101 Resins, epoxy, 11.1 grams
Tetrafluoroethylene 83 grams
Melamine cyanurea complex compound 17.5 grams
Aluminum oxide 28.5 grams
Hexanediamine 33.9 grams
750 milliliters in acetone
225 milliliters of butanone
375 milliliters of propyl carbinols
150 milliliters of examples of toluene, 12 novolac epoxys, 100 grams
Paracril 10.0 grams
6101 Resins, epoxy, 13.2 grams
Tetrafluoroethylene 71 grams
Melamine cyanurea complex compound 8.0 grams
Aluminum oxide 29 grams
Tetra hydro Phthalic anhydride 28.4 grams
480 milliliters in acetone
160 milliliters of butanone
560 milliliters of propyl carbinols
400 milliliters of examples of toluene, 13 novolac epoxys, 100 grams
Paracril 9.9 grams
618 Resins, epoxy, 14.8 grams
Tetrafluoroethylene 93 grams
Melamine cyanurea complex compound 7.0 grams
Cupric oxide 14.2 grams
Hexanediamine 36.5 grams
630 milliliters in acetone
360 milliliters of butanone
450 milliliters of propyl carbinols
360 milliliters of examples of toluene, 14 novolac epoxys, 100 grams
Paracril 11.4 grams
601 Resins, epoxy, 10.5 grams
Tetrafluoroethylene 71 grams
Melamine cyanurea complex compound 44 grams
Cadmium oxide 23 grams
Tetra hydro Phthalic anhydride 37.4 grams
600 milliliters in acetone
225 milliliters of butanone
450 milliliters of propyl carbinols
225 milliliters of examples 15 of toluene:
The coating method of going up according to present method at beverage soft tin packing machine closing device (bed material is a stainless steel) according to the prescription of embodiment 2 sprays, and coat-thickness is 45 μ m, seals working temperature 180-220 ℃, 800,000 of packing soft canneds, and coating is excellent.Example 16:
Prescription according to embodiment 5 sprays on graphite block, and coat-thickness is 30 μ m, records frictional coefficient 0.18-0.22, reaches 9000m/ μ m friction durability, draws the circle method with G81720-79 and measures its cohesive strength and reach secondary.Example 17:
Test is 1Cr18Ni9Ti with piece, polishes to smooth finish to be on full phase sand paper, puts in the acetone cleaning and removes dirtyly, dries stand-by.Prescription with embodiment 4 is made coating, under 0.2MPa air pressure, be sprayed at the test block surface, in air, placed 8 hours, in baking oven, slowly rise to 100 ℃ (room temperatures-100 ℃ 1 hour be raised to) then, 100 ℃ of following constant temperature 45 minutes, be warmed up to 180 ℃ then, constant temperature 2.5 hours naturally cools to room temperature at last.Coating is at Tiken (ring-piece) trier 30 newton load, and under the 2.5 meter per second linear velocity conditions, recording frictional coefficient is 0.17, friction durability 9500m/ μ m.Other technical performance index is with table 1.
Claims (10)
1, a kind of anticorrosive antisticking and wear proof lubricating painting materials is made up of binding agent, solid lubricant, anti-wear additive, organic mixed solvent, it is characterized in that system component is (parts by weight);
100 parts of phenolic aldehyde epoxy resins
Paracril 6-13 part
Resins, epoxy 10-15 part
Tetrafluoroethylene 40-100 part
Melamine cyanurea complex compound 30-45 part
One of them 8-30 part of cupric oxide or aluminum oxide or Cadmium oxide
One of them 32-40 part of Tetra hydro Phthalic anhydride or hexanediamine
Organic mixed solvent 1100-1700 part
Wherein: acetone 30-55%, butanone 8-28%, propyl carbinol 20-40%,
Toluene 0-26% (volumn concentration)
2, slip coating as claimed in claim 1, the oxirane value that it is characterized in that novolac epoxy are smaller or equal to 0.44, and softening temperature is smaller or equal to 70 ℃.
3, slip coating as claimed in claim 1 is characterized in that acrylonitrile content is between 37.2%-38.5% in the paracril, and molecular weight is 3000-10000.
4, slip coating as claimed in claim 1 is characterized in that Resins, epoxy can be 6101 Resins, epoxy or 618 Resins, epoxy or 601 Resins, epoxy.
5, slip coating as claimed in claim 4 is characterized in that Resins, epoxy is 6101 Resins, epoxy or 618 Resins, epoxy.
6, as claim 1 or 4 described slip coatings, the oxirane value that it is characterized in that 6101 Resins, epoxy is 0.41-0.47, softening temperature 12-28 ℃, and molecular-weight average 450; The oxirane value of 618 Resins, epoxy is 0.48-0.54; The oxirane value of 601 Resins, epoxy is 0.18-0.22, softening temperature 64-76 ℃.
7, slip coating as claimed in claim 1 is characterized in that tetrafluoroethylene usefulness cobalt source 2.5 * 10
7-3.3 * 10
7Rad radiation treatment, granularity are below the 2 μ m.
8, slip coating as claimed in claim 1 is characterized in that cupric oxide, aluminum oxide, Cadmium oxide granularity are 0.5-8 μ m.
9, slip coating as claimed in claim 1 is characterized in that melamine cyanurea complex molecules amount is 255.2, proportion 1.52, granularity 0.5-5 μ m, heat decomposition temperature 440-459 ℃.
10, the coating method of anticorrosive antisticking and wear proof lubricating painting materials as claimed in claim 1 is characterized in that;
(a) under 0.2-0.3MPa air pressure, spraying object surface thickness 20-100 μ m;
(b) placement makes the low boiling point solvent volatilization in the air;
(c) slowly be warming up to 100 ℃ of Procuring 0.5-1 hours;
(d) be warming up to 150-210 ℃, constant temperature naturally cooled to room temperature more than 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91103301A CN1035515C (en) | 1991-05-16 | 1991-05-16 | Anticorrosive antisticking and wear proof lubricating painting materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91103301A CN1035515C (en) | 1991-05-16 | 1991-05-16 | Anticorrosive antisticking and wear proof lubricating painting materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1066668A CN1066668A (en) | 1992-12-02 |
| CN1035515C true CN1035515C (en) | 1997-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91103301A Expired - Fee Related CN1035515C (en) | 1991-05-16 | 1991-05-16 | Anticorrosive antisticking and wear proof lubricating painting materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1035515C (en) |
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| CN1074028C (en) * | 1998-12-29 | 2001-10-31 | 中国科学院兰州化学物理研究所 | Phenolic and epoxy, high wear resistance coatings |
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| Publication number | Publication date |
|---|---|
| CN1066668A (en) | 1992-12-02 |
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