CN102807804A - Anti-impact wear-resistant adhesive coating and preparation method thereof - Google Patents
Anti-impact wear-resistant adhesive coating and preparation method thereof Download PDFInfo
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- CN102807804A CN102807804A CN2012102560121A CN201210256012A CN102807804A CN 102807804 A CN102807804 A CN 102807804A CN 2012102560121 A CN2012102560121 A CN 2012102560121A CN 201210256012 A CN201210256012 A CN 201210256012A CN 102807804 A CN102807804 A CN 102807804A
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Abstract
The invention provides an anti-impact wear-resistant adhesive coating and a preparation method thereof. The wear-resistant adhesive coating consists of a component A and a component B, wherein the component A is a mixture of 2 to 15 parts of aramid pulp, 20 to 70 parts of bisphenol A epoxy resin, 10 to 40 parts of bisphenol F epoxy resin, 300 to 400 parts of silicon carbide, 50 to 100 parts of alumina, 0 to 5 parts of silica and 0 to 5 parts of silane coupling agent; the component B is a mixture of 5 to 15 parts of polyamine, 1 to 5 parts of polythiol, 20 to 40 parts of alumina, 0 to 5 parts of silane coupling agent, 2 to 8 parts of curing accelerator and 0.5 to 5 parts of silica; and the weight ratio of the component A to the component B in the using process is 10:1, and a hard and wear-resistant composite coating material is formed by reaction and can be used for bonding, repairing and protecting a metal surface. The bisphenol A epoxy resin and the bisphenol F epoxy resin are used as an adhesive substrate, the aramid pulp is used as a toughening agent, and silicon carbide and alumina particles with different particle sizes are added, so that fine particles are filled in large interparticle gaps, bulk density is increased, and the strength and wear resistance of the wear-resistant adhesive coating are improved.
Description
Technical field
The present invention relates to a kind of wear-resisting glue, be specifically related to a kind of impact-resistant abrasion-proof adhesive coating and preparation method thereof
Background technology
With epoxy resin as tackiness agent; Add abrasion resistant particles such as silit, aluminum oxide as filler; With the matrix material after the amine curing agent reaction sclerosis, being proved can bonding repairing and protection hardware (like slag stock pump, steam piano, blower fan, water turbine, pulverized coal feed pipe, elbow and benficiation machinery parts etc.).The said material construction technology is simple, ambient cure, and no thermal stress deformations etc. are by industrial equipments maintenance and protection field widespread use.
Be widely used at the production field of making bullet-proof vest, armor plate, fiber optic protection layer, automobile brake sheet with the matrix material of aramid fiber as the shock resistance additive." application of Kevlar aramid pulp on tackiness agent, sealing agent, coating, glass reinforced plastic " article that du pont company is announced shows that the fiber of aramid pulp can improve the toughness and the intensity of epoxy resin, increases viscosity and thixotropy simultaneously; But aramid pulp applies to and repairs and protect on the metal works as the additive of wear resistance adhesive coating, up to the present seldom uses, and the invention provides a kind of new application method.
Show in " crystallization of liquid epoxies " of LG-DOW company issue, in bisphenol A epoxide resin, add bisphenol F epoxy resin and can improve its resistive connection crystallization performance under winter low temperature.In addition, in hardening with the amine curing agent reaction, Bisphenol F also can improve the heat resistance of system.
Described a kind of epoxy resin wear resistance adhesive coating and preparation method among the Chinese patent CN 102220068A, it is mainly by bisphenol A epoxide resin, silit, ceramic particle, and the mixed amine solidifying agent is formed.Yet, in this method, do not add bisphenol F epoxy resin, so can not avoid dihydroxyphenyl propane fully in crystallization problem in winter; In addition, this method adopts be CTBN modified resin as toughner, this can reduce the temperature tolerance that solidifies the back material.At last, this method with mixed amine as the ambient cure agent, can not solve winter curing speed below 5 ℃ slowly, solidified problem not even.
Summary of the invention
Based on the weak point of prior art, the invention provides a kind of impact-resistant abrasion-proof adhesive coating and preparation method thereof, be gluing matrix through dihydroxyphenyl propane and bisphenol F epoxy resin, with aramid pulp as toughner.Add silit, the alumina particle of different-grain diameter simultaneously, make tiny particles filledly, increase tap density, improved the intensity and the wear resistance of wear resistance adhesive coating to big intergranular space.Specifically technology is as follows:
A kind of impact-resistant abrasion-proof adhesive coating of the present invention is made up of A, B two components, according to the mass fraction proportioning:
The A component is the mixture of 2～15 parts of aramid pulps, 20～70 parts of bisphenol A epoxide resins, 10～40 parts of bisphenol F epoxy resins, 300～400 parts in silit, 50～100 parts in aluminum oxide, 0～5 part of silicon-dioxide, 0～5 part of silane coupling agent.
The B component is the mixture of 5～15 parts of polyamines, 1～5 part of polythiol, 20～40 parts in aluminum oxide, 0～5 part of silane coupling agent, 2～8 parts of curing catalysts, 0.5～5 part of silicon-dioxide.
Above-mentioned A, B component weight proportion in use are A: B=10: 1
Above-mentioned aramid pulp is Kevlar (Kevlar) PPTA, as the neccessary composition of shock resistance toughening functions.
Above-mentioned bisphenol A epoxide resin and bisphenol F epoxy resin are liquid-state epoxy resin all, and epoxy equivalent (weight) is 150～300.
Above-mentioned silicon-carbide particle particle diameter is at 0.01mm～1.5mm.
Above-mentioned A component and the aluminum oxide in the B component all are the α type, and median size is less than 50 μ m.
Silane coupling agent is γ-glycidyl ether oxygen propyl trimethoxy silicane in the above-mentioned A component.
Above-mentioned polyamine can be a kind of or two kinds a mixture in diethylenetriamine, triethylene tetramine, TEPA, the polymeric amide.
Above-mentioned polythiol is the amine catalytic type, and amine hydrogen equivalent is 190, as the neccessary composition of low temperature curing agent.
Silane coupling agent is a γ-An Bingjisanyiyangjiguiwan in the above-mentioned B component.
Above-mentioned curing catalyst is 2,4,6-three (dimethylamino methyl) phenol.
Above-mentioned silicon-dioxide particle diameter is less than 20nm.
The mixture for preparing above-mentioned A component is made up of following steps:
At normal temperatures, said bisphenol A epoxide resin, bisphenol F epoxy resin, silane coupling agent proportionally are pre-mixed in impeller, stir about 20min;
Proportionally add aramid pulp, silit, aluminum oxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 30min;
After stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can.
The mixture for preparing above-mentioned B component is made up of following steps:
At normal temperatures described polyamine, polythiol, silane coupling agent, curing catalyst proportionally are pre-mixed in impeller, stir about 15min;
Proportionally add aluminum oxide, silicon-dioxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 15min;
After stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can.
After the A of impact-resistant abrasion-proof adhesive coating provided by the invention, B component are mixed, the composite coating material that generates hard wear resistant can be reacted, bonding repairing and protective money metal surface can be used for.Owing to added ppta-pulp fibre, both improved the toughness of material, kept heat resistance again.Owing in bisphenol A epoxide resin, added bisphenol F epoxy resin, make aspect construction, in the winter time can crystallization under the low temperature.On embodiment, can change viscosity through changing the content of silicon-dioxide in the B component, make the B component be lotion and two kinds of forms of liquid, thereby make A, B component be lotion and two kinds of forms of liquid after mixing; The lotion form is suitable for facade and smears the construction of not trickling, and liquid form is applicable to and is poured into the die for molding construction.
Embodiment
Further specify the present invention through embodiment below.
Embodiment 1:
A component production technique: according to the mass fraction proportioning, 40 parts of above-mentioned bisphenol A epoxide resins, 40 parts of bisphenol F epoxy resins, silane coupling agent proportionally are pre-mixed in impeller for 1 part, stir about 20min; Proportionally add 15 parts of aramid pulps, 300 parts in silit, 50 parts in aluminum oxide, 2 parts of silicon-dioxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 30min.After stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can.This moment, the form of A component was a paste.
B component production technique: according to the mass fraction proportioning, 15 parts of above-mentioned polyamines, 2 parts of polythiols, 5 parts of silane coupling agents, curing catalyst proportionally are pre-mixed in impeller for 2 parts, stir about 15min.Proportionally add 40 parts in aluminum oxide, 5 parts of silicon-dioxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 15min.After stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can.This moment, the form of B component was a paste.
In actual use with A, two kinds of components of B according to weight ratio A: B=10: 1 carries out uniform mixing, and mixed form is a paste, and can be applied to needs to repair and the metal works surface of protection.This material completion of cure under the normal temperature in 24 hours solidifies that repair the back and the workpiece of protection can drop into actual motion.
Embodiment 2:
A component production technique: according to the mass fraction proportioning, 40 parts of above-mentioned bisphenol A epoxide resins, 40 parts of bisphenol F epoxy resins, silane coupling agent proportionally are pre-mixed in impeller for 1 part, stir about 20min; Proportionally add 2 parts of aramid pulps, 350 parts in silit, 60 parts in aluminum oxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 30min.After stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can.This moment, the form of A component was a paste.
B component production technique: according to the mass fraction proportioning, 15 parts of above-mentioned polyamines, 2 parts of polythiols, 3 parts of silane coupling agents, curing catalyst proportionally are pre-mixed in impeller for 1 part, stir about 15min.Proportionally add 40 parts in aluminum oxide, 0.5 part of silicon-dioxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 15min.After stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can.This moment, the form of B component was liquid.
In actual use with A, two kinds of components of B according to weight ratio A: B=10: 1 carries out uniform mixing, and mixed form is liquid, may be cast in the preprepared mould.This material completion of cure under the normal temperature in 24 hours solidifies that repair the back and the workpiece of protection can drop into actual motion.
Wear resistance adhesive coating test performance with embodiment 1,2 is as shown in the table:
| Embodiment 1 | Embodiment 2 | |
| Tensile shear strength/MPa | 13.5 | 14.3 |
| Tensile strength/MPa | 43.8 | 46.5 |
| Compressive strength/MPa | 104.0 | 107.3 |
| Flexural strength/MPa | 53.6 | 49.6 |
| Young's modulus/GPa | 20.6 | 21.8 |
| Solidify post-shrinkage ratio % | 0.01 | 0.01％ |
Than needing to repair and protect metal works remarkable increase is arranged on wear resisting property in order to prove impact-resistant abrasion-proof adhesive coating of the present invention; Can design the wear-resisting experiment of water sandblast; Method is used silica sand slurries high speed impact coupons 5 hours again for making the test print of 3mm thickness, measures the degree of depth that coupons is worn at last; Wearing depth is shallow more, explains that the wear-resistant ability of print is strong more.Test conditions: normal temperature, concentration of slurry 60%, solids content 1.3kg/L, flow velocity 18m/s, 90 ° of spray angles.
Comparative Examples 1: the material of said sample print is 304 stainless steels.
Comparative Examples 2: the material of said sample print is the JM3 rich chromium cast iron.
Claims (7)
1. impact-resistant abrasion-proof adhesive coating; Be made up of A, B two-pack, the A component is the mixture of 2～15 parts of aramid pulps, 20～70 parts of bisphenol A epoxide resins, 10～40 parts of bisphenol F epoxy resins, 300～400 parts in silit, 50～100 parts in aluminum oxide, 0～5 part of silicon-dioxide, 0～5 part of silane coupling agent; The B component is the mixture of 5～15 parts of polyamines, 1～5 part of polythiol, 20～40 parts in aluminum oxide, 0～5 part of silane coupling agent, 2～8 parts of curing catalysts, 0.5～5 part of silicon-dioxide; Above-mentioned A, B component weight proportion in use are A: B=10: 1.
2. impact-resistant abrasion-proof adhesive coating as claimed in claim 1 is characterized in that described bisphenol A epoxide resin and bisphenol F epoxy resin are liquid-state epoxy resin all, and epoxy equivalent (weight) is 150～300.
3. impact-resistant abrasion-proof adhesive coating as claimed in claim 1, the particle diameter that it is characterized in that described silicon-carbide particle is between 0.01mm～1.5mm.
4. impact-resistant abrasion-proof adhesive coating as claimed in claim 1 is characterized in that the aluminum oxide in described A component and the B component all is the α type, and median size is less than 10 μ m.
5. impact-resistant abrasion-proof adhesive coating as claimed in claim 1 is characterized in that described polythiol is the amine catalytic type, and amine hydrogen equivalent is 190, as the neccessary composition of low temperature curing agent.
6. impact-resistant abrasion-proof adhesive coating as claimed in claim 1 is characterized in that described silicon-dioxide particle diameter is less than 20nm.
7. prepare the method for the described impact-resistant abrasion-proof adhesive coating of claim 1, concrete steps are following: the mixture of preparation A component is made up of following steps:
(a) at normal temperatures, said bisphenol A epoxide resin, bisphenol F epoxy resin, silane coupling agent proportionally are pre-mixed in impeller, stir about 20min;
(b) proportionally add aramid pulp, silit, aluminum oxide, silicon-dioxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 30min;
(c) after stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can; The mixture of preparation B component is made up of following steps:
(a) at normal temperatures described polyamine, polythiol, silane coupling agent, curing catalyst proportionally are pre-mixed in impeller, stir about 15min;
(b) proportionally add aluminum oxide, silicon-dioxide then, in duplicate rows star HV stirrer, stir, keep vacuum tightness be-0.08～-0.09Mpa, stir about 15min;
(c) after stirring stops, waiting for that mixture naturally cools to envrionment temperature, the discharging can.
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| CN201210256012.1A CN102807804B (en) | 2012-07-19 | 2012-07-19 | Impact-resistant abrasion-proof adhesive coating and preparation method thereof |
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| CN201210256012.1A CN102807804B (en) | 2012-07-19 | 2012-07-19 | Impact-resistant abrasion-proof adhesive coating and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773169A (en) * | 2014-01-20 | 2014-05-07 | 南通钰成光电科技有限公司 | Bulb impact resistant coating and preparation method thereof |
| CN105176317A (en) * | 2015-10-27 | 2015-12-23 | 武汉双键开姆密封材料有限公司 | Easily-operated high-strength wear-resistant coating and preparation method thereof |
| CN105199537A (en) * | 2015-09-30 | 2015-12-30 | 中航飞机起落架有限责任公司 | Solvent-type tungsten carbide cobalt wear-resistant coating |
| CN105564001A (en) * | 2016-01-27 | 2016-05-11 | 招金矿业股份有限公司蚕庄金矿 | Method for pasting abrasion-resistant layer on surface of meltable non-metallic material and product treated through method |
| CN106752713A (en) * | 2016-12-23 | 2017-05-31 | 河南圣华原铝业有限公司 | A kind of wear-resistant aluminum alloy section bar and preparation method thereof |
| CN106947357A (en) * | 2017-03-21 | 2017-07-14 | 运研材料科技（上海）有限公司 | A kind of quick-setting ceramic particle abrasion-resistant coating material of energy |
| CN107189627A (en) * | 2017-06-19 | 2017-09-22 | 杨嵩 | A kind of standby wear-resistant paint of prepared from steel slag, wear-resistant paint coating block and preparation method |
| CN107955495A (en) * | 2017-11-30 | 2018-04-24 | 武汉理工大学 | A kind of polymer ceramic wear-resistant coating and preparation method thereof |
| CN109233553A (en) * | 2017-06-09 | 2019-01-18 | 上海邦聚工程材料技术有限公司 | A kind of the abrasion repair coating and restorative procedure of desulfurization slurry pump |
| CN109370387A (en) * | 2018-11-13 | 2019-02-22 | 普施耐（苏州）工业技术有限公司 | A kind of impact resistance has the chemical snearing wear-resistant coating of flame retarding function |
| CN112041398A (en) * | 2017-12-29 | 2020-12-04 | 索葛菲悬架公司 | Vehicle suspension element provided with a coating, method for depositing said coating and coating composition for use in the method |
| CN112159615A (en) * | 2020-09-29 | 2021-01-01 | 中国航发动力股份有限公司 | Protective coating for aramid composite material, use method thereof and protective coating based on protective coating |
| CN117089263A (en) * | 2023-08-21 | 2023-11-21 | 河北九天科技有限公司 | Epoxy coating unbonded steel strand and preparation method thereof |
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| CN103773169A (en) * | 2014-01-20 | 2014-05-07 | 南通钰成光电科技有限公司 | Bulb impact resistant coating and preparation method thereof |
| CN105199537A (en) * | 2015-09-30 | 2015-12-30 | 中航飞机起落架有限责任公司 | Solvent-type tungsten carbide cobalt wear-resistant coating |
| CN105199537B (en) * | 2015-09-30 | 2017-09-19 | 中航飞机起落架有限责任公司 | A kind of solvent-borne type WC-Co wear-resistant paint |
| CN105176317A (en) * | 2015-10-27 | 2015-12-23 | 武汉双键开姆密封材料有限公司 | Easily-operated high-strength wear-resistant coating and preparation method thereof |
| CN105176317B (en) * | 2015-10-27 | 2017-09-05 | 武汉双键开姆密封材料有限公司 | A kind of high-strength wearable coating easy to operate and preparation method thereof |
| CN105564001A (en) * | 2016-01-27 | 2016-05-11 | 招金矿业股份有限公司蚕庄金矿 | Method for pasting abrasion-resistant layer on surface of meltable non-metallic material and product treated through method |
| CN106752713A (en) * | 2016-12-23 | 2017-05-31 | 河南圣华原铝业有限公司 | A kind of wear-resistant aluminum alloy section bar and preparation method thereof |
| CN106947357A (en) * | 2017-03-21 | 2017-07-14 | 运研材料科技（上海）有限公司 | A kind of quick-setting ceramic particle abrasion-resistant coating material of energy |
| CN109233553A (en) * | 2017-06-09 | 2019-01-18 | 上海邦聚工程材料技术有限公司 | A kind of the abrasion repair coating and restorative procedure of desulfurization slurry pump |
| CN109233553B (en) * | 2017-06-09 | 2021-05-25 | 上海邦聚工程材料技术有限公司 | Wear-resistant repair coating and repair method for desulfurization slurry pump |
| CN107189627A (en) * | 2017-06-19 | 2017-09-22 | 杨嵩 | A kind of standby wear-resistant paint of prepared from steel slag, wear-resistant paint coating block and preparation method |
| CN107189627B (en) * | 2017-06-19 | 2020-02-14 | 杨嵩 | Wear-resistant coating prepared from steel slag, wear-resistant coating block and preparation method |
| CN107955495A (en) * | 2017-11-30 | 2018-04-24 | 武汉理工大学 | A kind of polymer ceramic wear-resistant coating and preparation method thereof |
| CN112041398A (en) * | 2017-12-29 | 2020-12-04 | 索葛菲悬架公司 | Vehicle suspension element provided with a coating, method for depositing said coating and coating composition for use in the method |
| CN109370387A (en) * | 2018-11-13 | 2019-02-22 | 普施耐（苏州）工业技术有限公司 | A kind of impact resistance has the chemical snearing wear-resistant coating of flame retarding function |
| CN112159615A (en) * | 2020-09-29 | 2021-01-01 | 中国航发动力股份有限公司 | Protective coating for aramid composite material, use method thereof and protective coating based on protective coating |
| CN117089263A (en) * | 2023-08-21 | 2023-11-21 | 河北九天科技有限公司 | Epoxy coating unbonded steel strand and preparation method thereof |
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