CN106747645A - A kind of enhanced sealing compound of concrete - Google Patents
A kind of enhanced sealing compound of concrete Download PDFInfo
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- CN106747645A CN106747645A CN201611073639.8A CN201611073639A CN106747645A CN 106747645 A CN106747645 A CN 106747645A CN 201611073639 A CN201611073639 A CN 201611073639A CN 106747645 A CN106747645 A CN 106747645A
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- 239000004567 concrete Substances 0.000 title claims abstract description 48
- 150000001875 compounds Chemical class 0.000 title claims description 9
- 238000007789 sealing Methods 0.000 title claims 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000839 emulsion Substances 0.000 claims abstract description 30
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000008367 deionised water Substances 0.000 claims abstract description 22
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 22
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 13
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 13
- -1 lauryl alcohol ester Chemical class 0.000 claims abstract description 13
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 12
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920002752 Konjac Polymers 0.000 claims abstract description 11
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 10
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 13
- 229920001296 polysiloxane Polymers 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 229920000058 polyacrylate Polymers 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 2
- 229910000077 silane Inorganic materials 0.000 claims 2
- 235000019795 sodium metasilicate Nutrition 0.000 claims 2
- 244000205754 Colocasia esculenta Species 0.000 claims 1
- 235000006481 Colocasia esculenta Nutrition 0.000 claims 1
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical group [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims 1
- YCDIOLHGWCNCTI-UHFFFAOYSA-N [SiH3]O.C[Na] Chemical group [SiH3]O.C[Na] YCDIOLHGWCNCTI-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical compound C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 claims 1
- 238000004945 emulsification Methods 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 239000005871 repellent Substances 0.000 abstract description 15
- 241001312219 Amorphophallus konjac Species 0.000 abstract description 10
- 235000001206 Amorphophallus rivieri Nutrition 0.000 abstract description 10
- 239000000252 konjac Substances 0.000 abstract description 10
- 235000010485 konjac Nutrition 0.000 abstract description 10
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 abstract description 9
- 239000006087 Silane Coupling Agent Substances 0.000 abstract description 9
- 229920002050 silicone resin Polymers 0.000 abstract description 9
- 238000001704 evaporation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N ethyl butylhexanol Natural products CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 8
- 230000002940 repellent Effects 0.000 description 8
- GBPOWOIWSYUZMH-UHFFFAOYSA-N sodium;trihydroxy(methyl)silane Chemical group [Na+].C[Si](O)(O)O GBPOWOIWSYUZMH-UHFFFAOYSA-N 0.000 description 8
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical group OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 7
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 125000005372 silanol group Chemical group 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JCCZVLHHCNQSNM-UHFFFAOYSA-N [Na][Si] Chemical compound [Na][Si] JCCZVLHHCNQSNM-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/04—Preventing evaporation of the mixing water
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Sealing Material Composition (AREA)
Abstract
本发明公开了一种混凝土增强型养护剂，其由质量份以下原料组成：硅丙乳液80～100份、硅酸钠5～10份、硫酸铝1～10份、早强剂1～5份、憎水剂1～5份、流平剂0.1～2份、魔芋精粉1～5份、去离子水1～10份；所述的硅丙乳液由质量比为20：13：22：0.2：0.1：4：2：3：30的活性硅树脂、苯乙烯、丙烯酸异辛酯、丙烯酰胺、硅烷偶联剂、过硫酸钠、甲基丙烯酸甲酯、十二碳醇酯和去离子水制成。本发明将无机养护剂和有机养护剂复合，在混凝土表面形成养护膜，并渗透扩散至混凝土与混凝土料反应，防止水分蒸发，并促使混凝土形成紧密结构，提高混凝土的强度和抗裂性能、减少体积收缩，具有高保水性和耐候性。The invention discloses a concrete reinforced curing agent, which is composed of the following raw materials in parts by mass: 80-100 parts of silicon-acrylic emulsion, 5-10 parts of sodium silicate, 1-10 parts of aluminum sulfate, and 1-5 parts of early strength agent , 1-5 parts of water-repellent agent, 0.1-2 parts of leveling agent, 1-5 parts of konjac powder, 1-10 parts of deionized water; the mass ratio of the silicon-acrylic emulsion is 20:13:22:0.2 : 0.1:4:2:3:30 active silicone resin, styrene, isooctyl acrylate, acrylamide, silane coupling agent, sodium persulfate, methyl methacrylate, lauryl alcohol ester and deionized water production. The invention combines the inorganic curing agent and the organic curing agent to form a curing film on the surface of the concrete, and permeates and diffuses to the concrete to react with the concrete material, prevents water from evaporating, promotes the formation of a compact structure of the concrete, improves the strength and crack resistance of the concrete, reduces Volume shrinkage, high water retention and weather resistance.
Description
技术领域technical field
本发明涉及混凝土养护技术领域，具体涉及一种混凝土增强型养护剂。The invention relates to the technical field of concrete curing, in particular to a reinforced concrete curing agent.
背景技术Background technique
混凝土养护剂又称为混凝土表面保水剂，是一种喷涂在新浇筑混凝土或砂浆表面能有效阻止内部水分蒸发的混凝土外加剂。混凝土养护剂主要有水玻璃型、石蜡乳液型、高分子乳液型、无机有机复合型、吸水树脂型等类型护养剂。目前，市场上的养护剂还普遍存在保水率低、稳定差、耐久性差等缺陷，而水玻璃型护养剂还存在保水率低，施用量大等缺陷，石蜡乳液型养护剂对高温环境比较敏感，高分子乳液成本高，也存在喷射时堵管堵喷头等问题。目前，市场对护养剂的需求也越来越多功能化，具有高保水率、憎水性、高效渗透性、促强性，提高混凝土强度和耐磨性等复合功能型养护剂更满足市场的需求。Concrete curing agent, also known as concrete surface water-retaining agent, is a concrete admixture that can effectively prevent internal moisture from evaporating when sprayed on the surface of newly poured concrete or mortar. Concrete curing agents mainly include water glass type, paraffin emulsion type, polymer emulsion type, inorganic-organic composite type, water-absorbing resin type and other types of curing agents. At present, curing agents on the market generally have defects such as low water retention rate, poor stability, and poor durability, while water glass type curing agents also have defects such as low water retention rate and large application amount, and paraffin emulsion type curing agents are more sensitive to high temperature environments. , the cost of polymer emulsion is high, and there are also problems such as blocked pipes and nozzles during injection. At present, the market's demand for curing agents is becoming more and more multifunctional. Compound functional curing agents with high water retention, hydrophobicity, high-efficiency permeability, strengthening, and improving concrete strength and wear resistance can better meet the needs of the market. .
发明内容Contents of the invention
本发明的目的在于，针对现有技术，提供一种混凝土增强型养护剂。The object of the present invention is to provide a kind of reinforced concrete curing agent in view of the prior art.
为实现上述目的，本发明采取以下技术方案：To achieve the above object, the present invention takes the following technical solutions:
一种混凝土增强型养护剂由质量份以下原料组成：硅丙乳液80～100份、硅酸钠5～10份、硫酸铝1～10份、早强剂1～5份、憎水剂1～5份、流平剂0.1～2份、魔芋精粉1～5份、去离子水1～10份；所述的硅丙乳液由质量比为20：13：22：0.2：0.1：4：2：3：30的活性硅树脂、苯乙烯、丙烯酸异辛酯、丙烯酰胺、硅烷偶联剂、过硫酸钠、甲基丙烯酸甲酯、十二碳醇酯和去离子水制成。A concrete reinforced curing agent is composed of the following raw materials in parts by mass: 80-100 parts of silicon-acrylic emulsion, 5-10 parts of sodium silicate, 1-10 parts of aluminum sulfate, 1-5 parts of early strength agent, 1-5 parts of water-repellent agent 5 parts, 0.1-2 parts of leveling agent, 1-5 parts of konjac powder, 1-10 parts of deionized water; the mass ratio of the silicon-acrylic emulsion is 20:13:22:0.2:0.1:4:2 : 3:30 active silicone resin, styrene, isooctyl acrylate, acrylamide, silane coupling agent, sodium persulfate, methyl methacrylate, dodecyl alcohol ester and deionized water.
其中，所述的早强剂优选为三乙醇胺。Wherein, the accelerator is preferably triethanolamine.
其中，所述的憎水剂优选为甲基硅醇钠。Wherein, the water-repellent agent is preferably sodium methyl siliconate.
其中，所述的流平剂优选为氟碳改性聚丙烯酸酯。Wherein, the leveling agent is preferably fluorocarbon-modified polyacrylate.
进一步的，本发明的混凝土增强型养护剂的制备方法为：将魔芋精粉溶于去离子水中，再加入硅丙乳液、早强剂、憎水剂、流平剂混匀后，再加入硅酸钠、硫酸铝机继续搅拌得混凝土增强型养护剂。Further, the preparation method of the concrete reinforced curing agent of the present invention is: dissolving konjac fine powder in deionized water, then adding silicon acrylic emulsion, early strength agent, water repellent, leveling agent and mixing, then adding silicon Sodium acid and aluminum sulfate machines continue to stir to get concrete-enhanced curing agent.
本发明中，所述的硅丙乳液的制备方法为：将去离子水、丙烯酰胺、甲基丙烯酸甲酯加入容器中搅拌溶解，再加入活性硅树脂、苯乙烯、丙烯酸异丁酯搅拌均匀后常温乳化20min，升温至70℃后，加入十二碳醇酯后，于80℃条件下在2h内加入过硫酸钠，再加入硅烷偶联剂，保温2h后，搅拌降温至35℃后，过200目滤布即得硅丙乳液。In the present invention, the preparation method of the silicon-acrylic emulsion is as follows: add deionized water, acrylamide, and methyl methacrylate into a container and stir to dissolve, then add active silicone resin, styrene, and isobutyl acrylate and stir evenly Emulsify at room temperature for 20 minutes, heat up to 70°C, add dodecyl alcohol ester, add sodium persulfate within 2 hours at 80°C, then add silane coupling agent, keep warm for 2 hours, stir and cool down to 35°C, pass 200 mesh filter cloth to get silicone acrylic emulsion.
本发明中，本发明中有机组分在混凝土表面形成薄膜，降低混凝土表面水分的蒸发，而无机组分渗入到混凝土表面的毛细孔中，发生化学反应形成胶体物质能有效填塞毛细孔，从而降低水分蒸发。In the present invention, the organic components form a thin film on the concrete surface to reduce the evaporation of moisture on the concrete surface, while the inorganic components penetrate into the capillary pores on the concrete surface, and chemical reactions occur to form colloidal substances that can effectively fill the capillary pores, thereby reducing The water evaporates.
进一步的，无机组分为硅酸钠和硫酸铝，硅酸钠和硫酸铝可渗入混凝土表面层，硅酸钠与水泥水化产物反应生成硅酸盐胶体物质，硫酸铝与混凝土发生反应，生成含有大量结晶，体积膨胀的水化硫酸铝盐，水化硫酸铝盐和硅酸盐胶体物质有助于将混凝土表面空隙堵塞，有效防止混凝土水分的蒸发。Further, the inorganic components are sodium silicate and aluminum sulfate. Sodium silicate and aluminum sulfate can penetrate into the concrete surface layer. Sodium silicate reacts with cement hydration products to form silicate colloidal substances. Aluminum sulfate reacts with concrete to form Containing a large amount of crystalline, volume-expanding aluminum sulfate hydrate, aluminum sulfate hydrate and silicate colloidal substances help to block the voids on the concrete surface and effectively prevent the evaporation of concrete moisture.
本发明中，魔芋精粉具有很强的增稠性和胶凝性，其与硅丙乳液配合可加速养护剂的成膜速率，提高养护剂的渗透性能和成膜效果。In the present invention, konjac fine powder has strong thickening and gelling properties, and its combination with silicon-acrylic emulsion can accelerate the film-forming rate of the curing agent, and improve the permeability and film-forming effect of the curing agent.
本发明中，三乙醇胺是一种有机表面活性剂，在本发明中作为早强剂使用，可提高混凝土表面层强度，使混凝土表面较内部跟快硬化、密闭表面层空隙，降低混凝土水分增发损失。In the present invention, triethanolamine is an organic surfactant, which is used as an early strength agent in the present invention, which can increase the strength of the concrete surface layer, make the concrete surface harden faster than the inner part, seal the surface layer gap, and reduce the loss of concrete moisture growth .
本发明中，甲基硅醇钠中硅醇基与硅酸盐材料硅醇基进行脱水交联反应，形成憎水层，甲基硅醇钠从混凝土表面渗入到混凝土毛孔细中形成隔水层，具有保水作用。In the present invention, the silanol groups in the sodium methyl siliconate and the silanol groups of the silicate material undergo a dehydration cross-linking reaction to form a hydrophobic layer, and the sodium methyl siliconate penetrates from the concrete surface into the fine pores of the concrete to form a water-resistant layer , has the function of water retention.
本发明的有益效果是：本发明将无机养护剂和有机养护剂复合，在混凝土表面形成养护膜，并渗透扩散至混凝土与混凝土料反应，防止水分蒸发，并促使混凝土形成紧密结构，提高混凝土的强度和抗裂性能、减少体积收缩，具有高保水性和耐候性。The beneficial effects of the present invention are: the present invention combines the inorganic curing agent and the organic curing agent to form a curing film on the surface of the concrete, and permeates and diffuses to the concrete to react with the concrete material, prevents water from evaporating, and promotes the formation of a compact structure of the concrete, improving the concrete Strength and crack resistance, reduced volume shrinkage, high water retention and weather resistance.
具体实施方式detailed description
下面结合具体实施例，对本发明进一步的说明。The present invention will be further described below in conjunction with specific embodiments.
实施例1Example 1
一种混凝土增强型养护剂由质量份以下原料组成：硅丙乳液90份、硅酸钠6份、硫酸铝5份、早强剂2份、憎水剂3份、流平剂1份、魔芋精粉2份、去离子水5份；其中，硅丙乳液由质量比为20：13：22：0.2：0.1：4：2：3：30的活性硅树脂、苯乙烯、丙烯酸异辛酯、丙烯酰胺、硅烷偶联剂、过硫酸钠、甲基丙烯酸甲酯、十二碳醇酯和去离子水制成，早强剂为三乙醇胺，憎水剂为甲基硅醇钠，流平剂为氟碳改性聚丙烯酸酯。A concrete reinforced curing agent is composed of the following raw materials in parts by mass: 90 parts of silicon-acrylic emulsion, 6 parts of sodium silicate, 5 parts of aluminum sulfate, 2 parts of early strength agent, 3 parts of water-repellent agent, 1 part of leveling agent, konjac 2 parts of fine powder, 5 parts of deionized water; Among them, the silicone acrylic emulsion is composed of active silicone resin, styrene, isooctyl acrylate, Acrylamide, silane coupling agent, sodium persulfate, methyl methacrylate, dodecyl alcohol ester and deionized water, early strength agent is triethanolamine, water repellent is sodium methyl siliconate, leveling agent It is fluorocarbon modified polyacrylate.
一种混凝土增强型养护剂的制备方法为：将魔芋精粉溶于去离子水中，再加入硅丙乳液、早强剂、憎水剂、流平剂混匀后，再加入硅酸钠、硫酸铝机继续搅拌得混凝土增强型养护剂，其中，硅丙乳液的制备方法为：将去离子水、丙烯酰胺、甲基丙烯酸甲酯加入容器中搅拌溶解，再加入活性硅树脂、苯乙烯、丙烯酸异丁酯搅拌均匀后常温乳化20min，升温至70℃后，加入十二碳醇酯后，于80℃条件下在2h内加入过硫酸钠，再加入硅烷偶联剂，保温2h后，搅拌降温至35℃后，过200目滤布即得硅丙乳液。The preparation method of a concrete reinforced curing agent is: dissolving konjac fine powder in deionized water, then adding silicon acrylic emulsion, early strength agent, water repellent, leveling agent and mixing, then adding sodium silicate, sulfuric acid The aluminum machine continues to stir to obtain a concrete-enhanced curing agent. The preparation method of the silicon-acrylic emulsion is: add deionized water, acrylamide, and methyl methacrylate into a container and stir to dissolve, and then add active silicone resin, styrene, and acrylic acid. Stir the isobutyl ester evenly, emulsify at room temperature for 20 minutes, heat up to 70°C, add dodecyl alcohol ester, add sodium persulfate within 2 hours at 80°C, then add silane coupling agent, keep warm for 2 hours, stir to cool down After reaching 35°C, pass through a 200-mesh filter cloth to obtain a silicone acrylic emulsion.
实施例2Example 2
一种混凝土增强型养护剂由质量份以下原料组成：硅丙乳液90份、硅酸钠6份、硫酸铝7份、早强剂3份、憎水剂4份、流平剂0.5份、魔芋精粉3份、去离子水7份；其中，硅丙乳液由质量比为20：13：22：0.2：0.1：4：2：3：30的活性硅树脂、苯乙烯、丙烯酸异辛酯、丙烯酰胺、硅烷偶联剂、过硫酸钠、甲基丙烯酸甲酯、十二碳醇酯和去离子水制成，早强剂为三乙醇胺，憎水剂为甲基硅醇钠，流平剂为氟碳改性聚丙烯酸酯。A concrete reinforced curing agent is composed of the following raw materials in parts by mass: 90 parts of silicon-acrylic emulsion, 6 parts of sodium silicate, 7 parts of aluminum sulfate, 3 parts of early strength agent, 4 parts of water-repellent agent, 0.5 part of leveling agent, konjac 3 parts of fine powder, 7 parts of deionized water; Among them, the silicone acrylic emulsion is composed of active silicone resin, styrene, isooctyl acrylate, Acrylamide, silane coupling agent, sodium persulfate, methyl methacrylate, dodecyl alcohol ester and deionized water, early strength agent is triethanolamine, water repellent is sodium methyl siliconate, leveling agent It is fluorocarbon modified polyacrylate.
其制备方法同实施例1。Its preparation method is with embodiment 1.
实施例3Example 3
一种混凝土增强型养护剂由质量份以下原料组成：硅丙乳液85份、硅酸钠9份、硫酸铝3份、早强剂4份、憎水剂2份、流平剂1.8份、魔芋精粉2份、去离子水8份；其中，硅丙乳液由质量比为20：13：22：0.2：0.1：4：2：3：30的活性硅树脂、苯乙烯、丙烯酸异辛酯、丙烯酰胺、硅烷偶联剂、过硫酸钠、甲基丙烯酸甲酯、十二碳醇酯和去离子水制成，早强剂为三乙醇胺，憎水剂为甲基硅醇钠，流平剂为氟碳改性聚丙烯酸酯。A concrete reinforced curing agent is composed of the following raw materials in parts by mass: 85 parts of silicon-acrylic emulsion, 9 parts of sodium silicate, 3 parts of aluminum sulfate, 4 parts of early strength agent, 2 parts of water-repellent agent, 1.8 parts of leveling agent, konjac 2 parts of fine powder, 8 parts of deionized water; Among them, the silicone acrylic emulsion is composed of active silicone resin, styrene, isooctyl acrylate, Acrylamide, silane coupling agent, sodium persulfate, methyl methacrylate, dodecyl alcohol ester and deionized water, early strength agent is triethanolamine, water repellent is sodium methyl siliconate, leveling agent It is fluorocarbon modified polyacrylate.
其制备方法同实施例1。Its preparation method is with embodiment 1.
实施例4Example 4
一种混凝土增强型养护剂由质量份以下原料组成：硅丙乳液80份、硅酸钠10份、硫酸铝1份、早强剂5份、憎水剂1份、流平剂2份、魔芋精粉1份、去离子水10份；其中，硅丙乳液由质量比为20：13：22：0.2：0.1：4：2：3：30的活性硅树脂、苯乙烯、丙烯酸异辛酯、丙烯酰胺、硅烷偶联剂、过硫酸钠、甲基丙烯酸甲酯、十二碳醇酯和去离子水制成，早强剂为三乙醇胺，憎水剂为甲基硅醇钠，流平剂为氟碳改性聚丙烯酸酯。A concrete reinforced curing agent is composed of the following raw materials in parts by mass: 80 parts of silicon-acrylic emulsion, 10 parts of sodium silicate, 1 part of aluminum sulfate, 5 parts of early strength agent, 1 part of water-repellent agent, 2 parts of leveling agent, konjac 1 part of fine powder, 10 parts of deionized water; among them, the silicone acrylic emulsion is composed of active silicone resin, styrene, isooctyl acrylate, Acrylamide, silane coupling agent, sodium persulfate, methyl methacrylate, dodecyl alcohol ester and deionized water, early strength agent is triethanolamine, water repellent is sodium methyl siliconate, leveling agent It is fluorocarbon modified polyacrylate.
其制备方法同实施例1。Its preparation method is with embodiment 1.
实施例5Example 5
一种混凝土增强型养护剂由质量份以下原料组成：硅丙乳液100份、硅酸钠5份、硫酸铝10份、早强剂1份、憎水剂5份、流平剂0.1份、魔芋精粉5份、去离子水1份；其中，硅丙乳液由质量比为20：13：22：0.2：0.1：4：2：3：30的活性硅树脂、苯乙烯、丙烯酸异辛酯、丙烯酰胺、硅烷偶联剂、过硫酸钠、甲基丙烯酸甲酯、十二碳醇酯和去离子水制成，早强剂为三乙醇胺，憎水剂为甲基硅醇钠，流平剂为氟碳改性聚丙烯酸酯。A concrete reinforced curing agent is composed of the following raw materials in parts by mass: 100 parts of silicon acrylic emulsion, 5 parts of sodium silicate, 10 parts of aluminum sulfate, 1 part of early strength agent, 5 parts of water repellent, 0.1 part of leveling agent, konjac 5 parts of fine powder, 1 part of deionized water; among them, the silicone acrylic emulsion is composed of active silicone resin, styrene, isooctyl acrylate, Acrylamide, silane coupling agent, sodium persulfate, methyl methacrylate, dodecyl alcohol ester and deionized water, early strength agent is triethanolamine, water repellent is sodium methyl siliconate, leveling agent It is fluorocarbon modified polyacrylate.
其制备方法同实施例1。Its preparation method is with embodiment 1.
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| CN108892536A (en) * | 2018-06-20 | 2018-11-27 | 河南阳光防水科技有限公司 | The early strong curing agent of cement |
| CN111138209A (en) * | 2020-01-15 | 2020-05-12 | 江苏奥莱特新材料股份有限公司 | Concrete external curing agent |
| CN114605858A (en) * | 2022-03-30 | 2022-06-10 | 厦门路桥翔通建材科技有限公司 | Self-crystallization permeable concrete protective coating and preparation method thereof |
| CN115259897A (en) * | 2022-07-07 | 2022-11-01 | 山西佳维新材料股份有限公司 | Organic-inorganic composite concrete curing agent, preparation method and concrete curing method |
| CN119350968A (en) * | 2024-12-27 | 2025-01-24 | 山东英迪新材料科技有限公司 | A water repellent and preparation method thereof |
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