CN1225380A - Phenolic and epoxy, high wear resistance coatings - Google Patents
Phenolic and epoxy, high wear resistance coatings Download PDFInfo
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- CN1225380A CN1225380A CN 98126489 CN98126489A CN1225380A CN 1225380 A CN1225380 A CN 1225380A CN 98126489 CN98126489 CN 98126489 CN 98126489 A CN98126489 A CN 98126489A CN 1225380 A CN1225380 A CN 1225380A
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Abstract
The invented high-abrasive resistance lubricating coating uses phenol formaldehyde epoxy resin as base material, dicyanodianide or phthalic onhydride as hardening agent, polytetrafluoroethylene, metal oxide etc as abrasive-resistant lubricating filler. It features that curing to form film is carried out under room temp. to 210 deg.C, detection of abrasive resistance travel by MHK-500 test machine is 15,000 m/micro m., friction coefficient is 0.16-0.19, impact strength is 50 kg. cm, adhesive force is of first grade, and flexibility is 1 mm.
Description
The present invention relates to the high basic wear proof lubricating painting materials of a kind of phenolic aldehyde epoxy.
Is the coating of the wear-resisting lubricant of bonding body with Resins, epoxy, have the adhesion strength height, wear-resisting, oilness good, construction stores advantages such as convenient, widely uses.But mostly in the process of development in order to reach wear-resisting lubricated effect, adopt the method for dosing multiple anti-wear agent, lubricant.As dose lubricants such as tetrafluoroethylene, molybdenumdisulphide, talcum powder, boride etc. in coating, the inorganic oxide such as cupric oxide, plumbous oxide, titanium oxide, antimonous oxide of also dosing different proportionings simultaneously is to reach the requirement of high-wearing feature.But its shortcoming is that the starting material source is numerous and diverse, and preparation brings certain difficulty to coating.
The objective of the invention is at the problems referred to above, attempting provides good, wear-resisting, the low friction of a kind of adhesivity, cheapness by simplifying the method for prescription, simplification technology, and particularly prescription is simple, is easy to the high abrasion slip coating of making and constructing.
Through long research found finally that a kind of prescription is simple, excellent performance (hanging down friction, high abrasion, long lifetime), lower-cost high abrasion slip coating.Can change effectively that above-mentioned prescription is numerous and diverse, the problem of complicated process of preparation.
In the selected material, novolac epoxy has advantages such as cohesive force is strong, dielectric properties good, corrosion-resistant.Dyhard RU 100 is a kind of solidifying agent that solidifies at a certain temperature and be easy to store; Tetra hydro Phthalic anhydride is the another kind solidifying agent commonly used of novolac epoxy.Butyronitrile-the 40th can reach the toughner of toughening effect preferably with the Resins, epoxy compatibility.Teflon resin has characteristics such as excellent lubricating properties, extremely low frictional coefficient and good thermostability, electrical insulating property, physical and mechanical properties and anti-irradiation, acid and alkali-resistance, anti-combustion, high pressure resistant hydrolysis.Metal oxide is as the enhancing and the high-abrasive material of coating.
The present invention realizes by following measure:
Selecting novolac epoxy for use is binding agent, and butyronitrile-40 is made toughner, and Dyhard RU 100 or Tetra hydro Phthalic anhydride are solidifying agent, and teflon resin is a lubricant, doses metal oxide and makes a kind of high wear resistance coatings.
The high wear resistance coatings that the present invention narrated (weight percentage): novolac epoxy 8.0-23.0% butyronitrile-40 1.0-6.0% Dyhard RU 100 0-6.0% Tetra hydro Phthalic anhydride 0-6.0% tetrafluoroethylene 10.0-20.0% Cadmium oxide 1.0-18.0% mixed solvent surplus
The novolac epoxy trade mark that the present invention selects for use is F44, and oxirane value is 〉=0.40; The molecular weight 84 of Dyhard RU 100, the molecular weight of Tetra hydro Phthalic anhydride are 148; The molecular weight of butyronitrile-40 is that 3000 ± 100 tetrafluoroethylene granularities are less than 3 μ m; The granularity of Cadmium oxide is less than 35 μ m.
Mixed solvent of the present invention is made up of ethyl acetate, toluene, ethanol, acetone, dioxane, none provisioning request of content.
Characteristics of the present invention be make that a kind of prescription is simple, excellent performance (low friction, high abrasion, long lifetime), lower-cost high abrasion slip coating.
Embodiments of the invention such as table 1
Table 1
| Composition | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Novolac epoxy | 20％ | 15％ | 10％ | 20％ | 15％ | 10％ |
| Butyronitrile-40 | 5％ | 3％ | 2％ | 5％ | 3％ | 2％ |
| Dyhard RU 100 | 5％ | 4％ | 3％ | 0 | 0 | 0 |
| Tetra hydro Phthalic anhydride | 0 | 0 | 0 | 5％ | 4％ | 3％ |
| Tetrafluoroethylene | 14％ | 13％ | 19％ | 14％ | 13％ | 19％ |
| Cadmium oxide | 12％ | 10％ | 16％ | 12％ | 10％ | 16％ |
| Mixed solvent | 44％ | 55％ | 50％ | 44％ | 55％ | 50％ |
Preparation method of the present invention is as follows:
Raw material by the proportioning weighing, is mixed in the container of packing into, and through processing such as degree of depth refinement and surface actives, the coating preparation is finished.Spraying method is: select spray gun for use, (selecting the stainless steel test block for use, be of a size of 12mm * 12 * mm19mm), is that source of the gas sprays with air compressor or nitrogen, and spray pressure is 102Pa (spraying in ventilate spraying cabinet) to prepare test block.Thickness generally is controlled at 20-40 μ m.After spraying is finished, hang and put into baking oven to the surface drying and under 100 ± 2 ℃, give and solidifying 0.5 hour, be warming up to 210 ± 2 ℃ again and solidified 2.0 hours, cool to room temperature with the furnace, take out.Promptly obtain the tawny coating.Its test result sees Table 2.
Table 2
| Test event | Test condition | Test result |
| Coating color | Range estimation | Tawny |
| Wear resistance (m/ μ m) | Load: 320N speed: 154m/min | ????15,000 |
| Frictional coefficient | ???????- | ????0.16-0.19 |
| Sticking power (level) | ????GB1720-79 | ????1 |
| Resistance to impact shock (kg.cm) | ????GB1732-79 | ????＞50 |
| Snappiness (mm) | ????GB1731-79 | ????1 |
Claims (6)
1, the consisting of of a kind of phenolic and epoxy, high wear resistance coatings (weight percentage):
Novolac epoxy 8.0-23.0%
Butyronitrile-40 1.0-6.0%
Dyhard RU 100 0-6.0%
Tetra hydro Phthalic anhydride 0-6.0%
Tetrafluoroethylene 10.0-20.0%
Cadmium oxide 1.0-18.0%
Mixed solvent 45.0-50.0%
2,, it is characterized in that mixed solvent is made up of ethyl acetate, toluene, ethanol, acetone, dioxane as the said coating of claim 1.
3,, it is characterized in that trade mark F44 oxirane value 〉=0.40 of phenolic aldehyde epoxy as the said coating of claim 1.
4, as the said coating of claim 1, the molecular weight that it is characterized in that butyronitrile is 3000 ± 1000.
5, as the said coating of claim 1, the molecular weight that it is characterized in that Dyhard RU 100 is 84.
6, as the said coating of claim 1, the molecular weight that it is characterized in that Tetra hydro Phthalic anhydride is 148.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98126489A CN1074028C (en) | 1998-12-29 | 1998-12-29 | Phenolic and epoxy, high wear resistance coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98126489A CN1074028C (en) | 1998-12-29 | 1998-12-29 | Phenolic and epoxy, high wear resistance coatings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1225380A true CN1225380A (en) | 1999-08-11 |
| CN1074028C CN1074028C (en) | 2001-10-31 |
Family
ID=5229699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98126489A Expired - Fee Related CN1074028C (en) | 1998-12-29 | 1998-12-29 | Phenolic and epoxy, high wear resistance coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1074028C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436558C (en) * | 2005-05-23 | 2008-11-26 | 上海赛能石油管道特种涂料有限公司 | Anticorrosion abrasive resistant paint |
| CN100560669C (en) * | 2005-09-29 | 2009-11-18 | 宝山钢铁股份有限公司 | Has coating of high friction resistance, high temperature resistant and rustless property and preparation method thereof |
| CN1824717B (en) * | 2005-02-25 | 2010-04-14 | 赵东楼 | Anti corrosion paint for condenser |
| CN102268174A (en) * | 2010-06-04 | 2011-12-07 | 中国石油化工股份有限公司 | Epoxy resin composition with high thermal resistance and high ductility, and preparation method thereof |
| CN104387868A (en) * | 2014-12-16 | 2015-03-04 | 常熟市易安达电器有限公司 | Voice-activated dust settling device for mines |
| WO2022010972A1 (en) * | 2020-07-07 | 2022-01-13 | Ppg Industries Ohio, Inc. | Curable coating compositions |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1006984B (en) * | 1987-02-20 | 1990-02-28 | 晋华水力磨蚀技术开发研究中心 | Anticorrosive and abrasion-resistant powder coating material and its coating method |
| CN1035515C (en) * | 1991-05-16 | 1997-07-30 | 中国科学院兰州化学物理研究所 | Anticorrosive antisticking and wear proof lubricating painting materials |
| CN1074026C (en) * | 1997-06-12 | 2001-10-31 | 谢晓湛 | Elastic anti-corrosion wear resisting powder paint and its coating method |
-
1998
- 1998-12-29 CN CN98126489A patent/CN1074028C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1824717B (en) * | 2005-02-25 | 2010-04-14 | 赵东楼 | Anti corrosion paint for condenser |
| CN100436558C (en) * | 2005-05-23 | 2008-11-26 | 上海赛能石油管道特种涂料有限公司 | Anticorrosion abrasive resistant paint |
| CN100560669C (en) * | 2005-09-29 | 2009-11-18 | 宝山钢铁股份有限公司 | Has coating of high friction resistance, high temperature resistant and rustless property and preparation method thereof |
| CN102268174A (en) * | 2010-06-04 | 2011-12-07 | 中国石油化工股份有限公司 | Epoxy resin composition with high thermal resistance and high ductility, and preparation method thereof |
| CN102268174B (en) * | 2010-06-04 | 2016-08-17 | 中国石油化工股份有限公司 | A kind of high-fire resistance high-toughness epoxy resin compositions and preparation method thereof |
| CN104387868A (en) * | 2014-12-16 | 2015-03-04 | 常熟市易安达电器有限公司 | Voice-activated dust settling device for mines |
| WO2022010972A1 (en) * | 2020-07-07 | 2022-01-13 | Ppg Industries Ohio, Inc. | Curable coating compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1074028C (en) | 2001-10-31 |
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