CN103205088A - Shock-resistant and wear-resistant composite material and preparation method thereof - Google Patents
Shock-resistant and wear-resistant composite material and preparation method thereof Download PDFInfo
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- CN103205088A CN103205088A CN2013101314783A CN201310131478A CN103205088A CN 103205088 A CN103205088 A CN 103205088A CN 2013101314783 A CN2013101314783 A CN 2013101314783A CN 201310131478 A CN201310131478 A CN 201310131478A CN 103205088 A CN103205088 A CN 103205088A
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Abstract
The invention discloses a shock-resistant and wear-resistant composite material which comprises the following raw material components in parts by weight: 100 parts of epoxy resins, 5-40 parts of modified polyurethane, 0.03-0.05 part of a surfactant, 20-50 parts of powder, and 10-50 parts of a sand-gravel material. The preparation method of the modified polyurethane comprises the following steps of: putting one-component polyurethane and a modifier in a reaction kettle in a mass ratio of (10:1)-(5:1), uniformly mixing, slowly heating the obtained mixture to 100-120 DEG C, and carrying out heat preservation on the obtained mixture for 1-2 hours; then, cooling the obtained mixture to room temperature, and filtering the obtained product so as to obtain the modified polyurethane; and mixing the epoxy resin, the modified polyurethane, the surfactant, the powder and the sand-gravel material, and completely and uniformly mixing the obtained mixture in a stirrer. The composite material prepared by using the method disclosed by the invention has the characteristics of high hardness, strong adhesion and wear resistance.
Description
Technical field
The present invention relates to a kind of epoxy resin composite material, especially relate to a kind of anti-towards wear-resisting epoxy resin composite material.
Background technology
In Hydraulic and Hydro-Power Engineering, to cause serious abrasion be general phenomenon very to sluice structure owing to press from both sides at a high speed the effect of husky current.Exploitation energetically along with China's water resources and hydropower construction, the expansion that a collection of high water head in southwest, big flow high dam are built, the problem that mill and cavitation erosion are dashed in the anti-high speed silt carrying flow in surface of sluicing energy-disspating more and more is subject to people's attention, wherein except the technical study of water conservancy project design aspect, adopting the impact-resisting wear-resisting material of excellent performance is one of vital technological approaches for this.
Abrasion-resistant material commonly used at present is generally based on high-strength concrete.Owing to be easy to generate crack and other technical problem in the high-strength concrete construction, have influence on the result of use of engineering, its anti-impact mill protective capacities still fails to reach desirable effect, still can not satisfy the high-impact mill performance requriements of sluice structure.Therefore, seek high impact toughness and high-impact the erosion performance the Surface Engineering material become one of focus of hydro-structure research.
Application number provides a kind of crash resistant composite material for the patent application document of 200710053617.X, anti-collision refers to shock resistance, collision, and shock-resistant, wearing and tearing occasion under also to some extent the shortcoming, this be because anti-collision and wear-resistant aspect mechanical property require different.
Summary of the invention
At the problems referred to above that prior art exists, the applicant provides a kind of anti-impact mill matrix material and preparation method thereof.The matrix material that the present invention prepares has hardness height, strong, the anti abrasive characteristics of cementability.
Technical scheme of the present invention is as follows:
A kind of anti-impact mill matrix material, the parts by weight of its material component and each component are:
100 parts of Resins, epoxy, 5～40 parts of modified polyurethanes, 0.03～0.05 part in tensio-active agent, 20～50 parts of powders, 10～50 parts of sandy gravels;
The preparation method of described modified polyurethane is: monocomponent polyurethane and properties-correcting agent are put in the reactor according to the ratio of mass ratio 10:1～5:1, evenly mixed, slowly be warming up to 100 ℃～120 ℃, be incubated 1～2 hour; Be cooled to room temperature, filtration then, obtain modified polyurethane;
At least a in end amido vinyl resin, Amino Terminated polyether(ATPE), isocyanic ester, end carboxyl butyronitrile fluid rubber, the amino terminated butadiene acrylonitrile fluid rubber of described properties-correcting agent;
The type of described Resins, epoxy comprises Racemic glycidol fundamental mode Resins, epoxy, cycloaliphatic epoxy resin.Described tensio-active agent is at least a among silane coupling agent KH550, KH570, KH151, KH171, the KH792.Described powder body material comprises at least a in flyash, silicon ash, the silica powder.The median size of described sandy gravel is 45 microns.
A kind of preparation method of anti-impact mill matrix material, it comprises the steps:
(1) preparation of modified polyurethane: monocomponent polyurethane and properties-correcting agent are put in the reactor according to the ratio of mass ratio 10:1～5:1, evenly mixed, slowly be warming up to 100 ℃～120 ℃, be incubated 1～2 hour; Be cooled to room temperature, filtration then, obtain modified polyurethane;
(2) earlier Resins, epoxy and modified polyurethane are mixed, in the mixture of Resins, epoxy and modified polyurethane, add tensio-active agent, powder, sandy gravel then, in stirrer, stir, namely;
The parts by weight of described each feed composition are: 100 parts of Resins, epoxy, 5～40 parts of modified polyurethanes, 0.03～0.05 part in tensio-active agent, 20～50 parts of powders, 10～50 parts of sandy gravels.
In technique scheme, the Resins, epoxy type is as follows:
(1) Racemic glycidol fundamental mode Resins, epoxy, as: common bisphenol A type epoxy resin, 4,4 '-dihydroxy diphenylsulphone bisglycidyl ether Resins, epoxy, bisphenol f type epoxy resin, novolac epoxy, glycerol epoxy resin, four phenolic group ethane, four glycidyl ethers, the Resorcinol bisglycidyl ether, the Phloroglucinol monomethyl ether three-glycidyl, two Resorcinol acetal four glycidyl ethers, aminoepoxy resins (amino four sense Resins, epoxy, mutual-amino phenol Resins, epoxy, AFG-90# Resins, epoxy, N, N '-two pair hydroxyl six basic quadrols, 589# Resins, epoxy), glycidyl ester type epoxy resin (tetrahydrobenzene dimethyl ester Resins, epoxy, 1,2-epoxy cyclohexane 4,5 dioctyl phthalate Resins, epoxy, the O-phthalic ester epoxy resin, isophthalic dimethyl ester Resins, epoxy, equal benzene trimethyl Resins, epoxy, terephthaldehyde's ester epoxy resin, hexahydro-O-phthalic ester epoxy resin, interior methyne tetrahydro-O-phthalic ester epoxy resin, P-hydroxybenzoic acid Resins, epoxy) etc.;
(2) cycloaliphatic epoxy resin, as: bicyclopentadiene dioxide expoxy resin, H-71 Resins, epoxy, two (2,3-epoxy group(ing) cyclopentyl) ether ring epoxy resins, 6221# Resins, epoxy, vinyl cyclohexene bifunctional epoxy resin, terpenes bifunctional epoxy resin, dicyclopentadiene polyvalent alcohol bifunctional epoxy resin.3. other type of epoxy resin, as: glycolylurea epoxide resin, difficult combustion Resins, epoxy (brominated resins, phosphatization Resins, epoxy, 2C-7 Resins, epoxy), high tenacity spiral shell structural epoxy resins, organosilicon epoxy resin etc.
The preparation principle of anti-impact mill matrix material of the present invention is: at first monocomponent polyurethane is carried out modification, carry out crosslinking curing with Resins, epoxy then, from the angle of molecular structure the performance of material is adjusted, the novel anti-impact mill material that obtains not only has the stiff molecule segment of Resins, epoxy, the flexible molecule segment that has urethane again, thereby the hardness height, cohesiveness that have Resins, epoxy concurrently are strong and urethane good toughness, the good characteristics of wear resistance, have outstanding over-all properties.Because its special spacial framework and functional group, material also has been endowed performances such as the stability to hydrolysis of the utmost point, good resistance to deterioration, air-drying property.
Beneficial technical effects of the present invention is:
The novel anti of the present invention's preparation is dashed the special requirement that the mill material not only can satisfy the protection of concrete for hydraulic structure anti-impact mill, also can be used as anti-cavitation material and the anti-carbonization coated material of waterproof of hydraulic structure.The high rigidity of anti-impact of the present invention mill matrix material and toughness can be resisted in the hydraulic structure concrete and is subjected to dashing of high velocity flow and gall bad.
The preliminary setting time of anti-impact of the present invention mill matrix material about 4 hours, solidify fully and time of reaching optimum performance about 28 days.
Embodiment
Embodiment 1
Anti-impact mill matrix material, it comprises Resins, epoxy 100 weight parts, modified polyurethane 40 weight parts, tensio-active agent KH-5500.04 weight part, silicon ash 40 weight parts, sandy gravel 30 weight parts;
The preparation method of anti-impact mill matrix material of the present invention is:
Bayer A.G produces monocomponent polyurethane: end amido vinyl resin, Amino Terminated polyether(ATPE), isocyanic ester (these three raw materials consumption separately is identical) sum are that the ratio of 10:1 is put in the reactor, evenly mix, slowly be warming up to 120 ℃, be incubated and be cooled to room temperature after 1 hour, obtain modified polyurethane after the filtration.
Choose Resins, epoxy and modified polyurethane and surfactivity KH-550 mixes, add powder and stir with stirrer, add sandy gravel at last and stir with stirrer and get final product.
The fundamental property of the anti-impact mill material for preparing is as shown in table 1:
Table 1
Embodiment 2
Anti-impact mill matrix material, it comprises Resins, epoxy 100 weight parts, modified polyurethane 30 weight parts, table tensio-active agent KH-5500.03 weight part, silicon ash and silica powder totally 35 weight parts (the two is identical in quality), sandy gravel 20 weight parts;
The preparation method of anti-impact mill matrix material of the present invention is:
Bayer A.G produces monocomponent polyurethane: end carboxyl butyronitrile fluid rubber, Amino Terminated polyether(ATPE), isocyanic ester (these three raw materials consumption separately is identical) sum are that the ratio of 8:1 is put in the reactor, evenly mix, slowly be warming up to 100 ℃, be incubated and be cooled to room temperature after 1.5 hours, obtain modified polyurethane after the filtration.
Choose Resins, epoxy and modified polyurethane and surfactivity KH-550 mixes, add powder and stir with stirrer, add sandy gravel at last and stir with stirrer and get final product.
The fundamental property of the anti-impact mill material for preparing is as shown in table 2:
Table 2
Embodiment 3
Anti-impact mill matrix material, it comprises Resins, epoxy 100 weight parts, modified polyurethane 20 weight parts, tensio-active agent KH-5700.05 weight part, flyash, silicon ash and silica powder is totally 20 weight parts (three is identical in quality), sandy gravel 40 weight parts;
The preparation method of anti-impact mill matrix material of the present invention is:
Bayer A.G produces monocomponent polyurethane: Amino Terminated polyether(ATPE), isocyanic ester (consumption of these two kinds of raw materials is identical) sum are that the ratio of 6:1 is put in the reactor, evenly mix, slowly be warming up to 100 ℃, be incubated and be cooled to room temperature after 2 hours, obtain modified polyurethane after the filtration.
Choose Resins, epoxy and modified polyurethane and surfactivity KH-570 mixes, add powder and stir with stirrer, add sandy gravel at last and stir with stirrer and get final product.
The fundamental property of the anti-impact mill material for preparing is as shown in table 3:
Table 3
The median size of the sandy gravel of embodiment 1～3 is 45 microns.
Need to prove that for these professional those skilled in the art under the situation that does not change the principle of the invention, can also make suitable change and distortion to the present invention, this belongs to protection scope of the present invention equally.
Claims (6)
1. an anti-impact is ground matrix material, it is characterized in that the parts by weight of its material component and each component are:
100 parts of Resins, epoxy, 5～40 parts of modified polyurethanes, 0.03～0.05 part in tensio-active agent, 20～50 parts of powders, 10～50 parts of sandy gravels;
The preparation method of described modified polyurethane is: monocomponent polyurethane and properties-correcting agent are put in the reactor according to the ratio of mass ratio 10:1～5:1, evenly mixed, slowly be warming up to 100 ℃～120 ℃, be incubated 1～2 hour; Be cooled to room temperature, filtration then, obtain modified polyurethane;
At least a in end amido vinyl resin, Amino Terminated polyether(ATPE), isocyanic ester, end carboxyl butyronitrile fluid rubber, the amino terminated butadiene acrylonitrile fluid rubber of described properties-correcting agent.
2. anti-impact mill matrix material according to claim 1 is characterized in that the type of described Resins, epoxy comprises Racemic glycidol fundamental mode Resins, epoxy, cycloaliphatic epoxy resin.
3. anti-impact according to claim 1 mill matrix material is characterized in that described tensio-active agent is at least a among silane coupling agent KH550, KH570, KH151, KH171, the KH792.
4. anti-impact according to claim 1 mill matrix material is characterized in that described powder body material comprises at least a in flyash, silicon ash, the silica powder.
5. anti-impact according to claim 1 is ground matrix material, and the median size that it is characterized in that described sandy gravel is 45 microns.
6. the preparation method of an anti-impact mill matrix material is characterized in that it comprises the steps:
(1) preparation of modified polyurethane: monocomponent polyurethane and properties-correcting agent are put in the reactor according to the ratio of mass ratio 10:1～5:1, evenly mixed, slowly be warming up to 100 ℃～120 ℃, be incubated 1～2 hour; Be cooled to room temperature, filtration then, obtain modified polyurethane;
(2) Resins, epoxy, modified polyurethane, tensio-active agent, powder, sandy gravel are mixed, in stirrer, stir, namely;
The parts by weight of described each feed composition are: 100 parts of Resins, epoxy, 5～40 parts of modified polyurethanes, 0.03～0.05 part in tensio-active agent, 20～50 parts of powders, 10～50 parts of sandy gravels.
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| CN201310131478.3A CN103205088B (en) | 2013-04-16 | 2013-04-16 | A kind of resistant abrasion matrix material and preparation method thereof |
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| CN201310131478.3A CN103205088B (en) | 2013-04-16 | 2013-04-16 | A kind of resistant abrasion matrix material and preparation method thereof |
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| CN103205088B CN103205088B (en) | 2015-08-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667152A (en) * | 2019-01-02 | 2019-04-23 | 北京普凡防护科技有限公司 | A kind of modified aqueous polyurethane elastomer resin part infiltrates aramid fiber material prepreg |
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| US3897585A (en) * | 1972-05-12 | 1975-07-29 | Grace W R & Co | Integral reinforced structures with a polyurea adhesive component |
| US4282123A (en) * | 1979-08-06 | 1981-08-04 | Mobil Oil Corporation | Elastomeric urethane coating |
| US4582889A (en) * | 1984-06-08 | 1986-04-15 | The Yokohama Rubber Co., Ltd. | Corrosion preventive resin composition |
| CA2138748A1 (en) * | 1993-12-24 | 1995-06-25 | Armin Pfeil | Epoxy-amine adducts as curing agents for aqueous epoxy systems |
| US20010007900A1 (en) * | 1998-06-03 | 2001-07-12 | Keute Joseph S. | Urethane resins |
| CN101173085A (en) * | 2007-10-25 | 2008-05-07 | 长江水利委员会长江科学院 | Crash resistant composite material and method for producing the same |
| CN101445583A (en) * | 2008-12-24 | 2009-06-03 | 中国地质科学院矿产综合利用研究所 | Preparation process of polyurethane modified epoxy resin suitable for composite wear-resistant coating material |
| CN101528796A (en) * | 2006-10-24 | 2009-09-09 | Sika技术股份公司 | Blocked polyurethane prepolymers and heat-curable epoxy resin compositions |
-
2013
- 2013-04-16 CN CN201310131478.3A patent/CN103205088B/en not_active Withdrawn - After Issue
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897585A (en) * | 1972-05-12 | 1975-07-29 | Grace W R & Co | Integral reinforced structures with a polyurea adhesive component |
| US4282123A (en) * | 1979-08-06 | 1981-08-04 | Mobil Oil Corporation | Elastomeric urethane coating |
| US4582889A (en) * | 1984-06-08 | 1986-04-15 | The Yokohama Rubber Co., Ltd. | Corrosion preventive resin composition |
| CA2138748A1 (en) * | 1993-12-24 | 1995-06-25 | Armin Pfeil | Epoxy-amine adducts as curing agents for aqueous epoxy systems |
| US20010007900A1 (en) * | 1998-06-03 | 2001-07-12 | Keute Joseph S. | Urethane resins |
| CN101528796A (en) * | 2006-10-24 | 2009-09-09 | Sika技术股份公司 | Blocked polyurethane prepolymers and heat-curable epoxy resin compositions |
| CN101173085A (en) * | 2007-10-25 | 2008-05-07 | 长江水利委员会长江科学院 | Crash resistant composite material and method for producing the same |
| CN101445583A (en) * | 2008-12-24 | 2009-06-03 | 中国地质科学院矿产综合利用研究所 | Preparation process of polyurethane modified epoxy resin suitable for composite wear-resistant coating material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109667152A (en) * | 2019-01-02 | 2019-04-23 | 北京普凡防护科技有限公司 | A kind of modified aqueous polyurethane elastomer resin part infiltrates aramid fiber material prepreg |
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