CN102775948B - Hydrophilic epoxy resin binder and preparation method and application thereof - Google Patents
Hydrophilic epoxy resin binder and preparation method and application thereof Download PDFInfo
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- CN102775948B CN102775948B CN201210239754.3A CN201210239754A CN102775948B CN 102775948 B CN102775948 B CN 102775948B CN 201210239754 A CN201210239754 A CN 201210239754A CN 102775948 B CN102775948 B CN 102775948B
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- wetting ability
- prepared
- epoxy adhesive
- active agent
- epoxy resin
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- 239000003822 epoxy resin Substances 0.000 title claims abstract description 38
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000011230 binding agent Substances 0.000 title abstract description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 19
- 229920000136 polysorbate Polymers 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 18
- CHQVQXZFZHACQQ-UHFFFAOYSA-M benzyl(triethyl)azanium;bromide Chemical compound [Br-].CC[N+](CC)(CC)CC1=CC=CC=C1 CHQVQXZFZHACQQ-UHFFFAOYSA-M 0.000 claims abstract description 4
- YMBCJWGVCUEGHA-UHFFFAOYSA-M tetraethylammonium chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC YMBCJWGVCUEGHA-UHFFFAOYSA-M 0.000 claims abstract description 4
- 238000009736 wetting Methods 0.000 claims description 45
- 229920006332 epoxy adhesive Polymers 0.000 claims description 39
- 239000013543 active substance Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 20
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- HPOKESDSMZRZLC-UHFFFAOYSA-N propan-2-one;hydrochloride Chemical compound Cl.CC(C)=O HPOKESDSMZRZLC-UHFFFAOYSA-N 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- -1 road deck Substances 0.000 claims description 4
- JFKRPKBRZJWUCN-UHFFFAOYSA-N C(CCC)C1=C(C=CC=C1)[P+](Br)(C1=CC=CC=C1)C1=CC=CC=C1 Chemical compound C(CCC)C1=C(C=CC=C1)[P+](Br)(C1=CC=CC=C1)C1=CC=CC=C1 JFKRPKBRZJWUCN-UHFFFAOYSA-N 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229940015043 glyoxal Drugs 0.000 claims description 3
- 239000011398 Portland cement Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 abstract 4
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 abstract 1
- IKWKJIWDLVYZIY-UHFFFAOYSA-M butyl(triphenyl)phosphanium;bromide Chemical compound [Br-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(CCCC)C1=CC=CC=C1 IKWKJIWDLVYZIY-UHFFFAOYSA-M 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002433 hydrophilic molecules Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004848 polyfunctional curative Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 description 1
- 229940091173 hydantoin Drugs 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 239000004846 water-soluble epoxy resin Substances 0.000 description 1
Abstract
The invention discloses a hydrophilic epoxy resin binder and a preparation method and an application thereof. The hydrophilic epoxy resin binder consists of the following components according to parts by weight: bisphenol A type epoxy resin, a surface active agent Span, a surface active agent Tween and a catalyst, wherein the catalyst can be tetraethyl ammonium chloride, butyl triphenyl phosphonium bromide, benzyl triethyl ammonium bromide, benzyl triethyl ammonium chloride, 2-methyl imidazole or any combination thereof; the bisphenol A type epoxy resin can be bisphenol A type epoxy resin E-44, E-42, E-35, E-31, E-20, E-14, E-12, E-06, E-03 or any combination thereof; the surface active agent Span can be S-20, S-40, S-60, S-80, S-85 or any combination thereof; and the surface active agent Tween can be T-20, T-40, T-60, T-80, T-85 or any combination thereof. The hydrophilic epoxy resin binder is applied in the preparation process of water permeable pavement materials and high-strength cement products.
Description
Technical field
The present invention relates to a kind of wetting ability epoxy adhesive and its preparation method and application.
Background technology
At present, due to the needs of urban ecological environment development, urban ground is changed into water-permeable pavement material by material impervious to water coverings such as cement, pitch gradually and is covered.Traditional method adopts macrobead skeleton and epoxy resin to form.But epoxy resin in use, due to its lipophilicity, surface has hydrophobic nature, therefore will make epoxy resin have wetting ability, and must manage to introduce in its molecular chain has the molecule segment of hydrophilic interaction or preparation water-soluble epoxy resin completely.But the emulsifying water type epoxy resin existing on market now and hydantoin epoxy that can be completely water-soluble exist resin demand large, the lower shortcoming of permeable goods wet compressive strength.
Summary of the invention:
Technical problem to be solved by this invention is to provide a kind of wetting ability epoxy adhesive and its preparation method and application, and this wetting ability epoxy adhesive is cheap, synthesis technique is simple, environmental protection, polarity are strong, can be hydrophilic; For sand-cement slurry, can form mesh skeleton structure, improve cement products intensity; For permeable pavement road surface, permeable effective, wet compressive strength is high.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A wetting ability epoxy adhesive, composed of the following components by weight: bisphenol A type epoxy resin 500-950, this dish of tensio-active agent 1-200, tensio-active agent tween 1-200, catalyzer 0.001-0.005;
Described catalyzer is etamon chloride, butyl triphenyl bromo-phosphonium, benzyl triethyl ammonium bromide, benzyltriethylammoinium chloride, glyoxal ethyline or its arbitrary combination.
Described wetting ability epoxy adhesive, composed of the following components by weight: bisphenol A type epoxy resin 650-850, this dish of tensio-active agent 50-100, tensio-active agent tween 50-100, catalyzer 0.002-0.004.
Described wetting ability epoxy adhesive, is characterized in that: this dish of described tensio-active agent is S-20, S-40, S-60, S-80, S-85 or its arbitrary combination.
Described wetting ability epoxy adhesive, is characterized in that: described tensio-active agent tween is T-20, T-40, T-60, T-80, T-85 or its arbitrary combination.
Described wetting ability epoxy adhesive is bisphenol A type epoxy resin E-44, E-42, E-35, E-31, E-20, E-14, E-12, E-06, E-03 or its arbitrary combination.
The preparation method of described wetting ability epoxy adhesive, is comprised of following steps:
(a) in reaction unit, add bisphenol A type epoxy resin, stir;
(b) according to the epoxy base unit weight of bisphenol A type epoxy resin, add tensio-active agent this dish and tensio-active agent tween, stir 15～30min;
(c) add catalyzer, stir 15～30min, be warming up to 70-120 ℃;
(d) controlling temperature in reaction unit, between 70-120 ℃, reacts;
(e) sampling detects, and according to hydrochloric acid-acetone method, measures oxirane value, when oxirane value arrives reaction theory value, and system cooling;
(f) reaction finishes, and is cooled to 60 ℃, according to hydrochloric acid-acetone method, measures oxirane value, further confirm to react completely, and discharging.
The application of described wetting ability epoxy adhesive, described wetting ability epoxy adhesive is being prepared water permeable paving material and is being prepared the application in high strength cement goods process.
The application of described wetting ability epoxy adhesive, described water permeable paving material is by quartz sand, Portland cement, wetting ability epoxy adhesive, mixes under solidifying agent and water normal temperature.
The application of described wetting ability epoxy adhesive, described water permeable paving material, by mould molding, is prepared into pavior brick, road deck, sewage water filtration prefabricated component.
Tool of the present invention has the following advantages:
The present invention, owing to adopting such scheme, has following advantage and beneficial effect:
1. resin has active group, and has wetting ability, can be added in inorganic materials, improves inorganic materials toughness, reduces fragility;
2. compare with resin type water-permeable brick, cheap;
3. environment-friendly type binding agent: nontoxic, tasteless, pollution-free;
4. good water permeability: by epoxy resin modification, make it to have certain wetting ability, permeable effective;
5. Application Areas is extensive: can be directly and quartz sand, stone etc. are natural and manufactured aggregate is prepared water-permeable brick, and be layed in the road surfaces such as walkway, square and park and form pervious bed; Also the permeable prefabricated component that can be used for rainwater-collecting, water filtration, carries out dmp filter, reduces groundwater pollution; For mortar, improve mortar mechanical property.
Wetting ability epoxy adhesive prepared by the present invention, the action principle in modified cement process is:
First, because wetting ability epoxide resin polymer has wetting ability, and have polarity strong feature, minimizing along with moisture in cement, wetting ability epoxy resin forms the film with higher cohesive force, due to the filling effect of film, improved the capillary structure of hardened cement paste, thereby stopped up the hole in mortar; Secondly, hydrated cementitious and polymer film forming carry out simultaneously, finally form the inierpeneirating network structure of grout together with being interweaved with polymeric film, thereby have improved mechanical property and the weather resistance of slurry.
In water permeable paving material product, principle is:
First, due to the wetting ability of hydrophilic compounds and with active group, after resin solidification, formation be take hydrophilic compounds disperse phase as " island ", connecting phase epoxy resin is " island structure " in " sea ", reaches toughness reinforcing object, shows as water-permeable brick ultimate compression strength and increases substantially; Secondly, due to the microphase-separated of resin after solidifying, hydrophilic radical tends to be distributed in the outside surface of resin molding, and ehter bond or the hydroxyl of this epoxy resin molecular side chain outwards stretch, and make the outside surface of resin coating water-permeable brick have water-wet behavior.In permeable products solidifying moulding process, the aggregate such as stone, quartz sand presses together, but because aggregate has particle diameter, and there is certain degree of sphericity, between aggregate, form the tiny tubular channel mutually connecting, when water contacts with this passage, due to the water-wet behavior of this resin, water infiltrates rapidly tube wall, and in pipe, liquid level is spill, the additional pressure that the curved liquid surface forming produces is pointed to tubule, promotes passing through of water.
Embodiment
Embodiment 1
Accurate raw materials weighing (Kg): bisphenol A type epoxy resin E-44 is 750, this dish of tensio-active agent S-80 is 60, and tensio-active agent tween T-80 is 60, and catalyzer etamon chloride is 0.003.
Preparation method:
The preparation method of this wetting ability epoxy adhesive, is comprised of following steps:
(a) in reaction unit, add bisphenol A type epoxy resin, stir;
(b) according to the epoxy base unit weight of bisphenol A type epoxy resin, add tensio-active agent this dish and tensio-active agent tween, stir 15～30min;
(c) add catalyzer, stir 15～30min, be warming up to 70-120 ℃;
(d) controlling temperature in reaction unit, between 70-120 ℃, reacts;
(e) sampling detects, and according to hydrochloric acid-acetone method, measures oxirane value, when oxirane value arrives reaction theory value, and system cooling;
(f) reaction finishes, and is cooled to 60 ℃, according to hydrochloric acid-acetone method, measures oxirane value, further confirm to react completely, and discharging.
Described wetting ability epoxy adhesive is being prepared water permeable paving material and is being prepared the application in high strength cement goods process.
Embodiment 2
Accurate raw materials weighing (Kg):
Bisphenol A type epoxy resin E-44 is 650, and this dish of tensio-active agent S-60 is 50, tensio-active agent tween T-60 50, catalyzer glyoxal ethyline 0.002.
Preparation method:
The preparation method of this wetting ability epoxy adhesive, is comprised of following steps:
(a) in reaction unit, add bisphenol A type epoxy resin, stir;
(b) according to the epoxy base unit weight of bisphenol A type epoxy resin, add tensio-active agent this dish and tensio-active agent tween, stir 15～30min;
(c) add catalyzer, stir 15～30min, be warming up to 70-120 ℃;
(d) controlling temperature in reaction unit, between 70-120 ℃, reacts;
(e) sampling detects, and according to hydrochloric acid-acetone method, measures oxirane value, when oxirane value arrives reaction theory value, and system cooling;
(f) reaction finishes, and is cooled to 60 ℃, according to hydrochloric acid-acetone method, measures oxirane value, further confirm to react completely, and discharging.
Described wetting ability epoxy adhesive is being prepared water permeable paving material and is being prepared the application in high strength cement goods process.
Embodiment 3
Accurate raw materials weighing (Kg):
Bisphenol A type epoxy resin E-35 850, this dish of tensio-active agent S-40 100, tensio-active agent tween T-60 100, catalyzer benzyltriethylammoinium chloride 0.004.
Preparation method:
The preparation method of this wetting ability epoxy adhesive, is comprised of following steps:
(a) in reaction unit, add bisphenol A type epoxy resin, stir;
(b) according to the epoxy base unit weight of bisphenol A type epoxy resin, add tensio-active agent this dish and tensio-active agent tween, stir 15～30min;
(c) add catalyzer, stir 15～30min, be warming up to 70-120 ℃;
(d) controlling temperature in reaction unit, between 70-120 ℃, reacts;
(e) sampling detects, and according to hydrochloric acid-acetone method, measures oxirane value, when oxirane value arrives reaction theory value, and system cooling;
(f) reaction finishes, and is cooled to 60 ℃, according to hydrochloric acid-acetone method, measures oxirane value, further confirm to react completely, and discharging.
Described wetting ability epoxy adhesive is being prepared water permeable paving material and is being prepared the application in high strength cement goods process.
Embodiment 4
Accurate raw materials weighing (Kg):
Bisphenol A type epoxy resin E-20 500, this dish of tensio-active agent S-20 100, tensio-active agent tween T-40 100, catalyzer benzyl triethyl ammonium bromide 0.001.
Preparation method is the same.
Embodiment 5
Accurate raw materials weighing (Kg):
Bisphenol A type epoxy resin E-44 475 and E-12 475, this dish of tensio-active agent S-80 200, tensio-active agent tween T-20 100, catalyzer butyl triphenyl bromo-phosphonium 0.005.
Preparation method is the same.
In above-described embodiment 1-5, this dish of tensio-active agent can be S-20, S-40, S-60, S-80, S-85 or its arbitrary combination; Tensio-active agent tween can be T-20, T-40, T-60, T-80, T-85 or its arbitrary combination; Bisphenol A type epoxy resin is E-44, E-42, E-35, E-31, E-20, E-14, E-12, E-06, E-03 or its arbitrary combination.
Embodiment 6
Get the quartz sand 100g of 0.4～0.2mm, add wetting ability epoxy adhesive 3.9g in embodiment 1, pnenolic aldehyde amine hardener 1.1g, by mould molding, is prepared into water-permeable brick after mixing.
Comparative example 1
Get the quartz sand 100g of 0.4～0.2mm, market water-based bisphenol type epoxy binding agent 3.9g, pnenolic aldehyde amine hardener 1.1g, by mould molding, is prepared into water-permeable brick after mixing.Following table is performance comparison:
Known according to above embodiment 6: by the application of water-permeable epoxy adhesive of the present invention, to compare with similar resin type product, significantly improved actual effect and the water-permeable of permeable product.
Claims (7)
1. a wetting ability epoxy adhesive is being prepared water permeable paving material and is being prepared the application in high strength cement goods process, described water permeable paving material is by quartz sand, Portland cement, wetting ability epoxy adhesive, mixes under solidifying agent and water normal temperature;
Described wetting ability epoxy adhesive is prepared from by following component by weight: bisphenol A type epoxy resin 500-950, this dish of tensio-active agent 1-200, tensio-active agent tween 1-200, catalyzer 0.001-0.005; Described catalyzer is etamon chloride, butyl triphenyl bromo-phosphonium, benzyl triethyl ammonium bromide, benzyltriethylammoinium chloride, glyoxal ethyline or its arbitrary combination.
2. wetting ability epoxy adhesive as claimed in claim 1 is being prepared water permeable paving material and is being prepared the application in high strength cement goods process, described wetting ability epoxy adhesive is prepared from by following component by weight: bisphenol A type epoxy resin 650-850, this dish of tensio-active agent 50-100, tensio-active agent tween 50-100, catalyzer 0.002-0.004.
3. wetting ability epoxy adhesive as claimed in claim 1 or 2 is being prepared water permeable paving material and is preparing the application in high strength cement goods process, and described wetting ability epoxy adhesive is prepared from by following component by weight: this dish of described tensio-active agent is S-20, S-40, S-60, S-80, S-85 or its arbitrary combination.
4. wetting ability epoxy adhesive as claimed in claim 1 or 2 is being prepared water permeable paving material and is preparing the application in high strength cement goods process, and described wetting ability epoxy adhesive is prepared from by following component by weight: described tensio-active agent tween is T-20, T-40, T-60, T-80, T-85 or its arbitrary combination.
5. wetting ability epoxy adhesive as claimed in claim 1 or 2 is being prepared water permeable paving material and is preparing the application in high strength cement goods process, and described wetting ability epoxy adhesive is prepared from by following component by weight: described wetting ability epoxy adhesive is bisphenol A type epoxy resin E-44, E-42, E-35, E-31, E-20, E-14, E-12, E-06, E-03 or its arbitrary combination.
6. wetting ability epoxy adhesive as claimed in claim 1 is being prepared water permeable paving material and is preparing the application in high strength cement goods process, and the preparation method of described wetting ability epoxy adhesive, is comprised of following steps:
(a) in reaction unit, add bisphenol A type epoxy resin, stir;
(b) according to the epoxy base unit weight of bisphenol A type epoxy resin, add tensio-active agent this dish and tensio-active agent tween, stir 15～30min;
(c) add catalyzer, stir 15～30min, be warming up to 70-120 ℃;
(d) controlling temperature in reaction unit, between 70-120 ℃, reacts;
(e) sampling detects, and according to hydrochloric acid-acetone method, measures oxirane value, when oxirane value arrives reaction theory value, and system cooling;
(f) reaction finishes, and is cooled to 60 ℃, according to hydrochloric acid-acetone method, measures oxirane value, further confirm to react completely, and discharging.
7. wetting ability epoxy adhesive is being prepared water permeable paving material and is being prepared the application in high strength cement goods process as claimed in claim 1, and described water permeable paving material, by mould molding, is prepared into pavior brick, road deck, sewage water filtration prefabricated component.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210239754.3A CN102775948B (en) | 2012-07-10 | 2012-07-10 | Hydrophilic epoxy resin binder and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210239754.3A CN102775948B (en) | 2012-07-10 | 2012-07-10 | Hydrophilic epoxy resin binder and preparation method and application thereof |
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| CN102775948B true CN102775948B (en) | 2014-12-03 |
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| CN105176464A (en) * | 2015-08-19 | 2015-12-23 | 合肥市田源精铸有限公司 | Metal-to-metal adhesive with stable size |
| CN109577130A (en) * | 2018-11-07 | 2019-04-05 | 同济大学 | A kind of porous pavement of quaternity and preparation method thereof |
| CN111777920B (en) * | 2020-06-28 | 2021-08-10 | 武汉开思新材料有限公司 | Self-migration type surface hydrophilic finishing agent and preparation method and application thereof |
| CN113717674A (en) * | 2021-09-22 | 2021-11-30 | 昆山赛阳电子材料有限公司 | Double-hardness composite polyurethane frictioning and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315044A (en) * | 1980-11-05 | 1982-02-09 | Celanese Corporation | Stable aqueous epoxy dispersions |
| CN101117390A (en) * | 2007-09-18 | 2008-02-06 | 天津大学 | Method for preparing aqueous epoxy emulsion |
-
2012
- 2012-07-10 CN CN201210239754.3A patent/CN102775948B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315044A (en) * | 1980-11-05 | 1982-02-09 | Celanese Corporation | Stable aqueous epoxy dispersions |
| CN101117390A (en) * | 2007-09-18 | 2008-02-06 | 天津大学 | Method for preparing aqueous epoxy emulsion |
Non-Patent Citations (2)
| Title |
|---|
| 环氧树脂乳液的稳定性问题;陈建刚等;《低污染化发展》;20120131;第15卷(第1期);第16-18、30页 * |
| 陈建刚等.环氧树脂乳液的稳定性问题.《低污染化发展》.2012,第15卷(第1期),第16-18、30页. * |
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