CN104449514A - Epoxy resin bonding agent cured at normal temperature for roads and bridges and preparation method of epoxy resin bonding agent - Google Patents
Epoxy resin bonding agent cured at normal temperature for roads and bridges and preparation method of epoxy resin bonding agent Download PDFInfo
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- CN104449514A CN104449514A CN201410683572.4A CN201410683572A CN104449514A CN 104449514 A CN104449514 A CN 104449514A CN 201410683572 A CN201410683572 A CN 201410683572A CN 104449514 A CN104449514 A CN 104449514A
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Abstract
The invention discloses an epoxy resin bonding agent cured at the normal temperature for roads and bridges. The epoxy resin bonding agent comprises a component A and a component B, wherein the component A comprises the following ingredients in parts by mass: 100 parts of epoxy resin, 30-40 parts of flexible epoxy resin, and 5-15 parts of a diluent; the component B comprises the following ingredients in parts by mass: 60-70 parts of a curing agent, 3-5 parts of a flexibilizer, 1-3 parts of an accelerant, and 0.2-0.5 part of a defoaming agent; the ratio of the component A to the component B is (100:80)-(100:100). According to the invention, the flexible epoxy resin is added into the commonly-used epoxy resin, and after the flexible epoxy resin reacts with the curing agent, a thermoset three-dimensional crosslinking structure is formed, so that the good flexibility, better bonding capacity and water resistance are achieved; cashew nut shell oil modified amine is used as the curing agent, so that the water resistance and low temperature resistance of the bonding agent are improved effectively; in addition, since novel multiple-alcohol derivative is used as the flexibilizer of the epoxy resin, the toughness of the epoxy resin is effectively improved, so as to adapt to deformation of steel bridge decks or cement concrete bridge decks during vibration, and realize the purpose of high durability of the epoxy resin bonding agent solidified at the normal temperature for roads and bridges. The epoxy resin bonding agent solidified at the normal temperature for roads and bridges is suitable for bonding and water resistance of steel bridge decks, urban viaducts, cement concrete bridge decks, tunnels and pavements of expressways and the like. The invention further discloses a preparation method of the epoxy resin bonding agent.
Description
Technical field
The present invention relates to a kind of epoxy adhesive, be specifically related to a kind of road and bridge with normal-temperature curing epoxy resin glue and preparation method thereof.
Background technology
In deck paving engineering, in order to prevent moisture from infiltrating bridge deck concrete structure, corrosion reinforcing bar, threaten bridge security; Pave-load layer and decking are bonded to an entirety, give full play to the compound action of pave-load layer and decking, improve the stressing conditions of decking and pave-load layer, need to arrange water-proof tack coat at Steel Bridge Deck or between cement concrete bridge deck and asphalt mixture surfacing.Water-proof tack coat generally adopts the resilient material that deformability is large, when occurred level is to distortion under temperature variation or Driving Loading for decking, water-proof tack coat can absorb part relative displacement between pave-load layer and decking, thus reduces the stress in pave-load layer.Along with the development of China's communication, more and more higher to the specification of quality of deck paving.But for a long time, deck paving early damage is serious, and test and mechanical analysis show, considerable deck paving earlier period damage is all relevant with the function premature loss of water-proof tack coat.At present, the material that water-proof tack coat uses mainly contains aqueous emulsion waterproof paint of chloroprene latex pitch, APP waterproof roll, SBS emulsified modified asphalt, SBS modifying asphalt and high-performance bituminous epoxy.Although these materials above use in a large number in bridge waterproof tack coat, but for the special occasions such as Heavy Traffic, Large Longitudinal Slope, pave-load layer often destroys, its basic reason is that current bonding layer material is thermoplastic material except epoxy adhesive, in the higher situation of temperature, easily there is comparatively large plastometric set, even trickle, and be the bonding of physical layer between this material and bridge deck concrete, intensity is lower, cannot resist the effect such as vehicle and environment.Therefore, development of new normal-temperature curing epoxy resin glue has important economic worth and using value for the waterproof of road and bridge with bonding.
Summary of the invention
The object of the invention is to propose a kind of road and bridge with room temperature curing epoxy binding agent and preparation method thereof.
Technical scheme of the present invention is:
A kind of road and bridge use room temperature curing epoxy binding agent, and it comprises component A and B component, and component A is primarily of epoxy resin and toughner composition, and B component is primarily of solidifying agent, toughner, promotor and defoamer composition, and the mass fraction of each component is:
Component A:
Epoxy resin 100 parts
Flexible-epoxy 30-40 part;
Thinner 5-15 part
B component:
Wherein, component A and B component ratio are 100:80-100:100.
Described epoxy resin selects liquid bisphenol A type tetraglycidel ether epoxy resin (DGEBA), and its structural formula is as follows:
What described flexible-epoxy was selected is diglycidyl ether type flexible-epoxy.
What described thinner was selected is non-reactive epoxies thinner, and as dibutyl phthalate (DBP) or nonyl phenol (NP), its structurizing is as follows respectively:
Dibutyl phthalate (DBP)
Nonyl phenol (NP)
Cashew nut oil modified amine selected by described solidifying agent.
Many alcohol derivate selected by described toughner.
What described promotor was selected is imidazoles promotor, and as 1-Methylimidazole or 2-ethyl-4-methylimidazole, its structural formula is as follows:
1-Methylimidazole
2-ethyl-4-methylimidazole
What described defoamer was selected is polysiloxane defoamers.
Prepare the method for above-mentioned road and bridge with normal-temperature curing epoxy resin glue, it comprises the following steps:
The preparation method of component A is: epoxy resin and flexible-epoxy are mixed by the mass ratio of each component, be heated to 60 DEG C, stir 2h, after being cooled to room temperature, add reactive thinner, after stirring, obtain the component A of road and bridge with normal-temperature curing epoxy resin glue;
B component preparation method is: mixed by solidifying agent, toughner, promotor and the defoamer mass ratio by each component, be heated to 80 DEG C, mix, after being cooled to room temperature, obtain the B component of road and bridge with normal-temperature curing epoxy resin glue.
Above-mentioned road and bridge are that component A and B component are heated to 30 DEG C respectively by the embody rule method of normal-temperature curing epoxy resin glue, mix in proportion, then uncured mixture is directly smeared or is sprayed on the surface of steel plate or cement concrete bridge, to mat formation above again pitch, modifying asphalt or epoxy asphalt mixture, bonding and waterproof action after ambient cure 1-2 days, can be played.
Feature of the present invention adds flexible-epoxy in conventional epoxy resin, forms the 3 D cross-linked structure of thermoset after itself and solidifying agent react, and while having good flexibility, also has good viscosifying power and water-resistant capacity.With cashew nut oil modified amine for solidifying agent, can effectively increase the water-fast of binding agent and resistance to low temperature.In addition, with the toughner that novel many alcohol derivate are epoxy resin, effectively can improve the toughness of epoxy resin, the deformation produced during to adapt to the vibration such as Steel Bridge Deck or cement concrete bridge deck, reach and improve the object of road and bridge by normal-temperature curing epoxy resin glue weather resistance.The present invention is applicable to bonding and the waterproof on the road surfaces such as Steel Bridge Deck, urban viaduct, cement concrete bridge deck, tunnel, motorway.
Embodiment
Below by embodiment in detail the present invention is described in detail, in following embodiment, the number of each component is mass fraction.
Road and bridge are as follows by normal-temperature curing epoxy resin glue component A preparation method:
Embodiment 1: take 100 parts of (mass parts, lower same) bisphenol A-type tetraglycidel ether epoxy resin (E51, Wuxi blue star petrochemical complex company limited provides), add 30 parts of diglycidyl ether type flexible-epoxy (JEF-0211, Changshu Changhu Jiafa chemistry Co., Ltd. provides), start to stir, and temperature is increased to 60 DEG C, room temperature is cooled to after reaction 2h, add 10 parts of dibutyl phthalates (DBP) (Shandong, Shandong softening agent limited-liability company provides), obtain the component A of road and bridge with normal-temperature curing epoxy resin glue.
Embodiment 2: take 100 parts of bisphenol A-type tetraglycidel ether epoxy resins (E51), add 40 parts of diglycidyl ether type flexible-epoxies (JEF-0211), start to stir, and temperature is increased to 60 DEG C, room temperature is cooled to after reaction 2h, add 15 parts of nonyl phenols (NP) (Jiangsu Lingfei Technology Co., Ltd. provides), obtain the component A of road and bridge with normal-temperature curing epoxy resin glue.
Embodiment 3: take 100 parts of bisphenol A-type tetraglycidel ether epoxy resins (E51), add 35 parts of diglycidyl ether type flexible-epoxies (JEF-0211), start to stir, and temperature is increased to 60 DEG C, room temperature is cooled to after reaction 2h, add 5 parts of dibutyl phthalates (DBP), obtain the component A of road and bridge with normal-temperature curing epoxy resin glue.
Road and bridge are as follows by normal-temperature curing epoxy resin glue B component preparation method:
Embodiment 4: take 70 parts of cashew nut oil modified amine (NC-541 respectively, Ka Delai chemical industry Zhuhai company limited provides), (FORTEGRA 100 of alcohol derivate more than 3 parts, Dow Chemical company provides), 3 parts of 1-methyl-imidazoles (Wuxi Zhen Chemicals company limited provides) and 0.2 part of polysiloxane defoamers (BYK-A530, Xiamen Kang Dilong trade Co., Ltd provides), be heated to 80 DEG C, mix, after being cooled to room temperature, obtain the B component of road and bridge with normal-temperature curing epoxy resin glue.
Embodiment 5: take 65 parts of cashew nut oil modified amine (NX-6070 respectively, Ka Delai chemical industry Zhuhai company limited provides), alcohol derivate more than 4 parts (FORTEGRA 100), 1 part of 2-ethyl 4-methyl-imidazoles (Wuxi Zhen Chemicals company limited provides) and 0.3 part of polysiloxane defoamers (BYK-A530), be heated to 80 DEG C, mix, after being cooled to room temperature, obtain the B component of road and bridge with normal-temperature curing epoxy resin glue.
Embodiment 6: take 60 parts of cashew nut oil modified amine (NC-541), (FORTEGRA 200 of alcohol derivate more than 5 parts respectively, Dow Chemical company provides), 2 parts of 2-ethyl 4-methyl-imidazoles and 0.5 part of polysiloxane defoamers (BYK-A530), be heated to 80 DEG C, mix, after being cooled to room temperature, obtain the B component of road and bridge with normal-temperature curing epoxy resin glue.
Provide below and prepare road and bridge by the embodiment of normal-temperature curing epoxy resin glue and test result with road and bridge provided by the invention by normal-temperature curing epoxy resin glue component A and B component:
Embodiment 7: the road and bridge obtained in 100 parts of embodiments 1 are heated to 30 DEG C with the road and bridge obtained in the component A of normal-temperature curing epoxy resin glue and 100 parts of embodiments 4 respectively by the B component of normal-temperature curing epoxy resin glue, then mix, the stainless steel steel disc being spread upon 100mm × 25mm × 2mm unreacted road and bridge with normal-temperature curing epoxy resin glue component A and B component mixture carries out cohesive strength test, the lap length of two panels steel disc is 12.5mm, 60 DEG C of curing oven 2d are put into by being coated with the steel disc wiped, after placing 1d after cooling, test with the draw speed of 5mm/min at 23 DEG C.In addition, road and bridge that take a morsel pour in Teflon mould with normal-temperature curing epoxy resin glue component A and B component mixture, 60 DEG C of solidification 2d, place 1d, obtaining solidifying rear road and bridge uses normal-temperature curing epoxy resin glue, and become by its stamping-out tension specimen row culture stretching experiment to test, test condition is 23 DEG C, draw speed is 500mm/min, and above-mentioned test result sees attached list 1.
Embodiment 8: the road and bridge obtained in 100 parts of embodiments 2 are heated to 30 DEG C with the road and bridge obtained in the component A of normal-temperature curing epoxy resin glue and 90 parts of embodiments 5 respectively by the B component of normal-temperature curing epoxy resin glue, then mix, the stainless steel steel disc being spread upon 100mm × 25mm × 2mm unreacted road and bridge with normal-temperature curing epoxy resin glue component A and B component mixture carries out cohesive strength test, the lap length of two panels steel disc is 12.5mm, 60 DEG C of curing oven 2d are put into by being coated with the steel disc wiped, after placing 1d after cooling, test with the draw speed of 5mm/min at 23 DEG C.In addition, road and bridge that take a morsel pour in Teflon mould with normal-temperature curing epoxy thermosetting resin adhesive component A and B component mixture, 60 DEG C of solidification 2d, place 1d, obtaining solidifying rear road and bridge uses normal-temperature curing epoxy resin glue, and become by its stamping-out tension specimen row culture stretching experiment to test, test condition is 23 DEG C, draw speed is 500mm/min, and above-mentioned test result sees attached list 1.
Embodiment 9: the road and bridge obtained in 100 parts of embodiments 3 are heated to 30 DEG C with the road and bridge obtained in the component A of normal-temperature curing epoxy resin glue and 80 parts of embodiments 6 respectively by the B component of normal-temperature curing epoxy resin glue, then mix, the stainless steel steel disc being spread upon 100mm × 25mm × 2mm unreacted road and bridge with normal-temperature curing epoxy resin glue component A and B component mixture carries out cohesive strength test, the lap length of two panels steel disc is 12.5mm, 60 DEG C of curing oven 3d are put into by being coated with the steel disc wiped, after placing 1d after cooling, test with the draw speed of 5mm/min at 23 DEG C.In addition, road and bridge that take a morsel pour in Teflon mould with normal-temperature curing epoxy resin glue component A and B component mixture, 60 DEG C of solidification 3d, place 1d, obtaining solidifying rear road and bridge uses normal-temperature curing epoxy resin glue, and become by its stamping-out tension specimen row culture stretching experiment to test, test condition is 23 DEG C, draw speed is 500mm/min, and above-mentioned test result sees attached list 1.
In above-described embodiment, the mixture of uncured road and bridge by normal-temperature curing epoxy Resin A component and B component is directly smeared or be sprayed on the surface of Steel Bridge Deck or cement concrete bridge deck etc., bonding and waterproof action can occur after ambient cure 1-2 days.
Table 1. road and bridge test and Tensile Test Results by the bonding of normal-temperature curing epoxy resin glue
Claims (4)
1. road and bridge use normal-temperature curing epoxy resin glue, it is characterized in that: it comprises component A and B component, component A forms primarily of epoxy resin, flexible-epoxy and thinner, B component is primarily of solidifying agent, toughner, promotor and defoamer composition, and the mass fraction of each component is:
Component A:
Epoxy resin 100 parts
Flexible-epoxy 30-40 part;
Thinner 5-15 part
B component:
Wherein, component A and B component ratio are 100:80-100:100.
Described epoxy resin selects liquid bisphenol A type tetraglycidel ether epoxy resin;
What described flexible-epoxy was selected is diglycidyl ether type flexible-epoxy;
Nonactive epoxy resin diluent selected by described thinner;
Cashew nut oil modified amine selected by described solidifying agent;
Many alcohol derivate selected by described toughner;
What described promotor was selected is imidazoles promotor;
What described defoamer was selected is polysiloxane defoamers.
2. road and bridge according to claim 1 use normal-temperature curing epoxy resin glue, it is characterized in that: nonactive epoxy resin diluent is dibutyl phthalate (DBP) or nonyl phenol (NP).
3. road and bridge according to claim 1 use normal-temperature curing epoxy resin glue, it is characterized in that: described imidazoles promotor is 1-Methylimidazole or 2-ethyl-4-methylimidazole.
4. prepare the method for the arbitrary road and bridge described in claim 1-3 with normal-temperature curing epoxy resin glue, it is characterized in that it comprises the steps:
The preparation of component A: epoxy resin and flexible-epoxy are mixed by the mass ratio of each component, be heated to 60 DEG C, stirs 2h, adds reactive thinner, after stirring, obtain the component A of road and bridge with normal-temperature curing epoxy resin glue after being cooled to room temperature;
The preparation of B component: solidifying agent, toughner, promotor and the defoamer mass ratio by each component is mixed, is heated to 80 DEG C, mixes, after being cooled to room temperature, obtain the B component of road and bridge with normal-temperature curing epoxy resin glue;
Component A and B component are heated to 30 DEG C respectively, mix in proportion, then uncured mixture is directly smeared or is sprayed on the surface of steel plate or cement concrete bridge, to mat formation above again pitch, modifying asphalt or epoxy asphalt mixture, bonding and waterproof action after ambient cure 1-2 days, can be played.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017726A (en) * | 2015-07-07 | 2015-11-04 | 武汉山虎涂料有限公司 | Normal temperature cured flexible epoxy composition for thin layer paving of road and bridge surfaces and preparation method of composition |
| CN105754531A (en) * | 2016-03-07 | 2016-07-13 | 慧融高科新型材料科技有限公司 | Adhesive for permeable pavement surface and preparation method thereof |
| CN106047283A (en) * | 2016-08-15 | 2016-10-26 | 深圳市公路交通工程试验检测中心 | Aqueous emulsion-based resin modified crack-pouring material and preparation method thereof |
| CN106495567A (en) * | 2016-10-19 | 2017-03-15 | 封基良 | A kind of chemical modification thermoset pitch compound |
| CN106566382A (en) * | 2016-11-11 | 2017-04-19 | 山东省科学院海洋仪器仪表研究所 | Formula of waterproof wrapping layer for welding rod for underwater welding and use method thereof |
| CN107142064A (en) * | 2017-07-04 | 2017-09-08 | 河海大学 | A kind of paving steel bridge deck normal-temperature curing epoxy resinoid bond and preparation method thereof |
| CN110373143A (en) * | 2019-07-25 | 2019-10-25 | 湖南云中再生科技股份有限公司 | A kind of road and bridge normal temperature cure flexibilized epoxies water-proof adhesive and preparation method thereof |
| CN110724365A (en) * | 2019-11-18 | 2020-01-24 | 哈尔滨工程大学 | Low-temperature-resistant epoxy resin and preparation method thereof |
| CN111087958A (en) * | 2019-12-20 | 2020-05-01 | 北京高盟新材料股份有限公司 | Room-temperature fast-curing epoxy adhesive and preparation method thereof |
| CN115537161A (en) * | 2022-10-31 | 2022-12-30 | 句容宁武高新技术发展有限公司 | Epoxy resin waterproof bonding layer material for steel bridge |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105017726A (en) * | 2015-07-07 | 2015-11-04 | 武汉山虎涂料有限公司 | Normal temperature cured flexible epoxy composition for thin layer paving of road and bridge surfaces and preparation method of composition |
| CN105754531B (en) * | 2016-03-07 | 2018-03-06 | 慧融高科（武汉）新型材料有限公司 | Adhesive for porous pavement top layer and preparation method thereof |
| CN105754531A (en) * | 2016-03-07 | 2016-07-13 | 慧融高科新型材料科技有限公司 | Adhesive for permeable pavement surface and preparation method thereof |
| CN106047283A (en) * | 2016-08-15 | 2016-10-26 | 深圳市公路交通工程试验检测中心 | Aqueous emulsion-based resin modified crack-pouring material and preparation method thereof |
| CN106495567A (en) * | 2016-10-19 | 2017-03-15 | 封基良 | A kind of chemical modification thermoset pitch compound |
| CN106495567B (en) * | 2016-10-19 | 2019-03-15 | 封基良 | A kind of chemical modification thermoset pitch mixture |
| CN106566382A (en) * | 2016-11-11 | 2017-04-19 | 山东省科学院海洋仪器仪表研究所 | Formula of waterproof wrapping layer for welding rod for underwater welding and use method thereof |
| CN107142064A (en) * | 2017-07-04 | 2017-09-08 | 河海大学 | A kind of paving steel bridge deck normal-temperature curing epoxy resinoid bond and preparation method thereof |
| CN107142064B (en) * | 2017-07-04 | 2020-02-21 | 河海大学 | Normal-temperature cured epoxy resin binder for paving steel bridge deck and preparation method thereof |
| CN110373143A (en) * | 2019-07-25 | 2019-10-25 | 湖南云中再生科技股份有限公司 | A kind of road and bridge normal temperature cure flexibilized epoxies water-proof adhesive and preparation method thereof |
| CN110724365A (en) * | 2019-11-18 | 2020-01-24 | 哈尔滨工程大学 | Low-temperature-resistant epoxy resin and preparation method thereof |
| CN111087958A (en) * | 2019-12-20 | 2020-05-01 | 北京高盟新材料股份有限公司 | Room-temperature fast-curing epoxy adhesive and preparation method thereof |
| CN115537161A (en) * | 2022-10-31 | 2022-12-30 | 句容宁武高新技术发展有限公司 | Epoxy resin waterproof bonding layer material for steel bridge |
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Application publication date: 20150325 |