CN1086530A - Wear-resistant corrosion-proof coating solidified at normal temperature - Google Patents
Wear-resistant corrosion-proof coating solidified at normal temperature Download PDFInfo
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- CN1086530A CN1086530A CN 92112149 CN92112149A CN1086530A CN 1086530 A CN1086530 A CN 1086530A CN 92112149 CN92112149 CN 92112149 CN 92112149 A CN92112149 A CN 92112149A CN 1086530 A CN1086530 A CN 1086530A
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- coating
- wear
- oxide
- tetrafluoroethylene
- normal temperature
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Abstract
Wear-resistant corrosion-proof coating solidified at normal temperature is made up of binding agent, wear resistant filler, sanitas and organic solvent.Binding agent is selected urethane for use, and wear resistant filler and sanitas are made up of tetrafluoroethylene, melamine cyanurea complex compound (MCA) and metal oxide.Easy construction of the present invention, ambient cure, single component, the cohesive strength height has over-all propertieies such as wear-resisting, heavily anticorrosion, is adapted at-30～200 ℃ and uses down.
Description
The present invention has narrated a kind of wear-resistant corrosion-proof coating solidified at normal temperature, and specifically, the present invention has narrated a kind of ambient cure and has been adapted at 30 to 200 ℃ of uses down, urethane-tetrafluoroethylene type coating.
At present, generally speaking, the coating of mechanical means, component surface mostly lacks excellent comprehensive performances, and coating commonly used all is difficult to possess simultaneously; Easy construction, ambient cure, with the cohesive strength height of ground, friction durability is long, over-all propertieies such as anticorrosion, the oil resistant of excellence.The Chinese Shanghai kairine is made the Great Wall board polyurethane paint that lacquer factory produces, and is two canned, can use after allocating by designated ratio with preceding palpus.The moisture cure urethanes that U.S. Mobay company produces only can need topped finish paint can satisfy the requirement of special operation condition as priming paint and intermediate layer coating | Modern Paint; Coating, 1987,＜3 〉, 30～33|.
The objective of the invention is to overcome existing technical deficiency, and provide a kind of can be in ambient cure, have the good coating of wear-resisting, heavy over-all properties such as anticorrosion, can be-30～200 ℃ of coatings of using down.
Purpose of the present invention realizes by following measure:
Wear-resistant corrosion-proof coating solidified at normal temperature of the present invention is made up of binding agent, wear resistant filler, sanitas and mixed organic solvents.Binding agent is selected urethane for use.Wear resistant filler and sanitas are selected tetrafluoroethylene, melamine cyanurea complex compound (MCA), metal oxide for use.Organic solvent such as ketone, aromatic hydrocarbon mixes the composition mixed solvent mutually.
Wear-resistant corrosion-proof coating solidified at normal temperature of the present invention specifically consists of (in parts by weight): 100 parts of urethane, tetrafluoroethylene 20-66 part, MCA10-27 part, metal oxide 4-25 part, organic mixed solvent 300-1000 part.
Binding agent of the present invention is a urethane, and it can make coating have excellent cohesive force, higher physical strength.It is to contain isocyanic acid and long aliphatic chain, isocyanide acid number 5-7%, solids content 50%, molecular weight 2000, liquid in the molecule.
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.Tetrafluoroethylene of the present invention needs through C
60 02 * 10
3～3.5 * 10
7The rad radiation treatment can make cohesive force lower like this, more helps disperseing.Below the tetrafluoroethylene granularity 2 μ m.
The adding of melamine cyanurea complex compound (MCA) is guaranteed the wear resistance of coating, and can improve the anti-portative power of tetrafluoroethylene.MCA of the present invention is a kind of white solid powder that soapy feeling is arranged, and is surface structure, molecular weight 255.2 proportions 1.52, granularity 0.5-5 μ m, heat decomposition temperature 440-459 ℃.
The adding of metal oxide can improve the hardness and the wear resistance of coating.Metal oxide of the present invention refers to aluminum oxide, plumbous oxide, Z 250, antimonous oxide, cupric oxide, Cadmium oxide, for Powdered, and granularity 0.5-8 μ m.
Ketone, aromatic hydrocarbon mixed solvent be dissolve polyurethane well, also can disperse the fillers such as tetrafluoroethylene behind the irradiation, and be convenient to construct, the ketone that is suitable for is: acetone, butanone, pimelinketone, aromatic hydrocarbon is benzene,toluene,xylene, is the organic mixed solvent of dispersion of coating but preferably select the mixed solution of acetone, pimelinketone, dimethylbenzene for use.Specifically consist of (volume percentage amounts): acetone 23-55%, pimelinketone 7-30%, surplus dimethylbenzene.
The present invention can also realize by following measure: will carry out ground and mixed through tetrafluoroethylene, MCA, the metal oxide of radiation treatment earlier, then urethane is dissolved in the organic solvent, ground solid material adds in the dissolved binder solution, stir, promptly become wear-resistant corrosion-proof coating solidified at normal temperature of the present invention.
Wear-resistant corrosion-proof coating solidified at normal temperature of the present invention needs the metallic substance oil removing of derusting when metal material surface applies, and carries out the sandblast bonderizing with sand papering or to the surface, handles carrying out surface roughening to material before the coating of non-metallic material.
Coating method of the present invention is achieved in that
1, spraying: under 0.15-0.25MPa air pressure, make gun slot, coating is sprayed in article surface apart from object 150-200 millimeter.
2, dip-coating: object directly is dipped in the coating, for several times, reaches till the satisfied thickness repeatedly.
3, brush: coating of the present invention can obtain paint brush with painting brush in article surface.
Coat-thickness of the present invention is controlled at 20-150 μ m can obtain promising result.
Characteristics of the present invention are as follows:
1, wear-resisting.
A. coating is on one on Timken(ring) under the trier 312M load 2.5m/s linear velocity condition, frictional coefficient 0.19-0.27, be 3000-10000m/ μ m friction durability;
B. in gasoline the coating of soaking at room temperature after 1000 hours under these conditions, frictional coefficient, friction durability are constant;
C. in machinery oil the coating of soaking at room temperature after 1000 hours under these conditions, frictional coefficient 0.17-0.25, friction durability is constant.
D. coating when dripping machinery oil under these conditions, frictional coefficient 0.08-0.12, friction durability is constant.
E. coating 200 ℃ the baking 24 hours after under these conditions, be 300-600m/ μ m friction durability.
2, heavy anticorrosion: (coat-thickness 40-60 μ m)
A. oil resistant
I, above-mentioned b, c, d item;
II, with reference to GB:
＜1〉GB1734-79 soaked 1000 hours in the room temperature underlying gasoline, no efflorescence, and non-foaming, wrinkle resistant, nothing is peeled off, nondiscoloration.
＜2〉GB1739-79 is immersed in 105 ℃ the transformer oil, no efflorescence in 24 hours, and wrinkle resistant, nothing is peeled off, nondiscoloration.
＜3〉GB1739-79 soaked 1000 hours in machinery oil under the room temperature, not efflorescence, and wrinkle resistant, non-foaming, nothing is peeled off, nondiscoloration.
B. anticorrosion:
＜1〉water tolerance: GB1733-79, tap water soaked 12 months, no efflorescence, wrinkle resistant, non-foaming, nothing is peeled off, no rust spot, nondiscoloration.
＜2〉resistance to salt water: GB1763-79,3%NaCl soaked 12 months, no efflorescence, non-foaming, nothing is peeled off, no rust spot, nondiscoloration.
＜3〉alkali resistance: GB1763-79,5%NaOH soaked 6 months, no efflorescence, wrinkle resistant, non-foaming, nothing is peeled off, no rust spot.
＜4〉acid resistance: GB1763-79,5%H
2SO
4Soaked 2 months, no efflorescence, wrinkle resistant, non-foaming, nothing is peeled off, no rust spot.
3, physical strength:
＜1〉sticking power: GB1720-79, draws the circle method by 2 grades;
＜2〉snappiness: GB1731-79,1mm, deflection;
＜3〉shock-resistance: GB1732-79,50kg, positive and negative dashing, nothing is peeled off, flawless.
＜4〉thermotolerance: GB1735-79,250 ℃, 24 hours, no efflorescence, wrinkle resistant, non-foaming, nothing is peeled off.
Prescription according to table 1 and table 2 will carry out ground and mixed through tetrafluoroethylene, MCA, the metal oxide of radiation treatment earlier, then urethane is dissolved in the organic solvent, ground solid material adds in the dissolved binding agent, stirs, and promptly becomes coating of the present invention.By international GB1727-79 method coating, the metallic substance sand papering is cleaned with acetone, does the back coating.The mode and the thickness of coating see Table 3, wherein are sprayed under the 0.15-0.25MPa air pressure, and gun slot is carried out under object 150-250 millimeter condition.Coating is wear-resisting, oil resistance as previously mentioned.
The concrete prescription of table 1, coating
| The prescription sequence number | Tetrafluoroethylene | MCA | Metal oxide | Organic mixed solvent |
| Example 1 | 65 | 20 | A 10 | 900 |
| 2 | 30 | 13 | B 25 | 600 |
| 3 | 44 | 25 | C 6 | 370 |
| 4 | 33 | 19 | D 20 | 700 |
| 5 | 22 | 12 | E 18 | 500 |
| 6 | 51 | 23 | F 9 | 500 |
| 7 | 56 | 10 | A 15 | 600 |
| 8 | 38 | 15 | E 13 | 1000 |
| 9 | 60 | 21 | F 7 | 1000 |
| 10 | 25 | 11 | C 16 | 800 |
| 11 | 47 | 26 | D 5 | 700 |
| 12 | 30 | 16 | B 16 | 800 |
| 13 | 60 | 23 | F 24 | 700 |
Annotate: each component is all in gram, and the amount of urethane is 100 grams in each prescription
A, B, C, D, E, F represent aluminum oxide, plumbous oxide, Z 250, antimonous oxide, cupric oxide, Cadmium oxide respectively
The volumn concentration of the organic mixed solvent of table 2
Table 3 application pattern and thickness
Claims (6)
1, a kind of wear-resistant corrosion-proof coating solidified at normal temperature is made up of binding agent, wear resistant filler, sanitas and organic mixed solvent, it is characterized in that the concrete prescription of coating is (parts by weight):
100 parts of urethane
Tetrafluoroethylene 20-66 part
Melamine cyanurea complex compound (NCA) 10-27 part
Metal oxide 4-15 part
Organic mixed solvent 300-1000 part.
2, coating as claimed in claim 1 is characterized in that metal oxide is aluminum oxide, plumbous oxide, Z 250, antimonous oxide, cupric oxide, Cadmium oxide.
3, coating as claimed in claim 1 is characterized in that the volumn concentration of organic mixed solvent is:
Acetone 23-55%
Pimelinketone 7-30%
The dimethylbenzene surplus
4, coating as claimed in claim 1 is characterized in that containing in its molecule of urethane isocyanic acid and long aliphatic chain, isocyanide acid number 5-7%, solids content 50%, molecular weight 2000, liquid.
5, coating as claimed in claim 1 is characterized in that tetrafluoroethylene C
60 02 * 10
3-3.5 * 10
7The rad radiation treatment is below the granularity 2 μ m.
6, coating as claimed in claim 1 is characterized in that melamine cyanurea complex compound (MCA) molecular weight 255.2, proportion 1.52, heat decomposition temperature 440-459 ℃, granularity 0.5-5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92112149A CN1039591C (en) | 1992-09-23 | 1992-09-23 | Wear-resistant corrosion-proof coating solidified at normal temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92112149A CN1039591C (en) | 1992-09-23 | 1992-09-23 | Wear-resistant corrosion-proof coating solidified at normal temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1086530A true CN1086530A (en) | 1994-05-11 |
| CN1039591C CN1039591C (en) | 1998-08-26 |
Family
ID=4945766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92112149A Expired - Fee Related CN1039591C (en) | 1992-09-23 | 1992-09-23 | Wear-resistant corrosion-proof coating solidified at normal temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039591C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072698C (en) * | 1997-12-30 | 2001-10-10 | 中国科学院兰州化学物理研究所 | Polyurethane normal temp. solidified anticorrosion lubricating paint |
| CN100371404C (en) * | 2006-06-13 | 2008-02-27 | 中北大学 | Wax deposition resistant coating for oil pipeline |
| CN102417788A (en) * | 2011-11-22 | 2012-04-18 | 吴江市天源塑胶有限公司 | Low-temperature quick-drying anticorrosive paint |
| CN102974519A (en) * | 2012-11-15 | 2013-03-20 | 宝鸡森特瑞石油机械科技有限公司 | Anticorrosive technology used for marine environment fastener |
| CN103756539A (en) * | 2013-12-30 | 2014-04-30 | 苏州市邦成电子科技有限公司 | Wear-resistant paint for rubber |
| CN104212323A (en) * | 2014-09-18 | 2014-12-17 | 江苏海晟涂料有限公司 | Room-temperature self-setting corrosion protective coating and preparation method thereof |
| CN104480719A (en) * | 2014-11-29 | 2015-04-01 | 青岛华凯海洋科技有限公司 | Wear-resistant and weather-resistant rope coating |
| CN109535971A (en) * | 2018-11-22 | 2019-03-29 | 海洋化工研究院有限公司 | A kind of wear-resistant self-lubricating coating and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1310441C (en) * | 1987-05-28 | 1992-11-17 | Lipa Roitman | Reaction products of reactive silicone, polyol, and isocyanate, urethane-siloxane copolymers and coating compositions, methods of coating, coated articles, and prepolymer solutions thereof |
-
1992
- 1992-09-23 CN CN92112149A patent/CN1039591C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072698C (en) * | 1997-12-30 | 2001-10-10 | 中国科学院兰州化学物理研究所 | Polyurethane normal temp. solidified anticorrosion lubricating paint |
| CN100371404C (en) * | 2006-06-13 | 2008-02-27 | 中北大学 | Wax deposition resistant coating for oil pipeline |
| CN102417788A (en) * | 2011-11-22 | 2012-04-18 | 吴江市天源塑胶有限公司 | Low-temperature quick-drying anticorrosive paint |
| CN102974519A (en) * | 2012-11-15 | 2013-03-20 | 宝鸡森特瑞石油机械科技有限公司 | Anticorrosive technology used for marine environment fastener |
| CN103756539A (en) * | 2013-12-30 | 2014-04-30 | 苏州市邦成电子科技有限公司 | Wear-resistant paint for rubber |
| CN104212323A (en) * | 2014-09-18 | 2014-12-17 | 江苏海晟涂料有限公司 | Room-temperature self-setting corrosion protective coating and preparation method thereof |
| CN104480719A (en) * | 2014-11-29 | 2015-04-01 | 青岛华凯海洋科技有限公司 | Wear-resistant and weather-resistant rope coating |
| CN109535971A (en) * | 2018-11-22 | 2019-03-29 | 海洋化工研究院有限公司 | A kind of wear-resistant self-lubricating coating and preparation method thereof |
| CN109535971B (en) * | 2018-11-22 | 2020-04-21 | 海洋化工研究院有限公司 | Wear-resistant self-lubricating coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1039591C (en) | 1998-08-26 |
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