WO2020119147A1 - 一种粘贴pvc及处理混凝土伸缩缝用的环氧砂浆及其制备方法和应用 - Google Patents

一种粘贴pvc及处理混凝土伸缩缝用的环氧砂浆及其制备方法和应用 Download PDF

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WO2020119147A1
WO2020119147A1 PCT/CN2019/099422 CN2019099422W WO2020119147A1 WO 2020119147 A1 WO2020119147 A1 WO 2020119147A1 CN 2019099422 W CN2019099422 W CN 2019099422W WO 2020119147 A1 WO2020119147 A1 WO 2020119147A1
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component
expansion joints
pvc
epoxy mortar
concrete expansion
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PCT/CN2019/099422
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English (en)
French (fr)
Inventor
邓居兵
张国城
黄亮
陈斌
姚壮志
李俊
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江苏凯伦建材股份有限公司
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Publication of WO2020119147A1 publication Critical patent/WO2020119147A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the invention belongs to the field of building materials, and in particular relates to a two-component epoxy mortar for pasting PVC and treating concrete expansion joints, and a preparation method and application thereof.
  • the main product of pasting PVC polyvinyl chloride
  • PVC polyvinyl chloride
  • epoxy mortar is also used in the existing technology to treat bridge expansion joints or concrete expansion joint structures, such as the Chinese invention patent CN103387353A.
  • the isocyanate or its prepolymer used in this patent is highly toxic and strongly irritating, except for stainless steel and nickel.
  • Other materials besides glass and ceramics are in danger of corrosion and exothermic reaction when in contact with them.
  • it affects the performance of the existing materials of the expansion joints and brings health hazards to the construction personnel.
  • Another example is the Chinese invention patent CN105541180A.
  • This patent uses diamines D2000 and D230 mixed as an epoxy resin curing agent. Although it can make the prepared epoxy mortar have a certain flexibility and can absorb impact stress, but for PVC substrates such as PVC waterproof The poor adhesion of the coiled material makes it difficult to stick the PVC waterproof coiled material to the concrete base firmly, and with the deformation of the concrete expansion joint, the PVC waterproof coiled material easily falls off, which leads to the failure of the PVC project.
  • the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art, and to provide an improved epoxy mortar for pasting PVC and treating concrete expansion joints, which can have excellent adhesion with PVC and have both excellent It has good mechanical properties and durability, good constructability, and can adapt to the dynamic deformation of concrete.
  • the invention also provides a preparation method of epoxy mortar for pasting PVC and treating concrete expansion joints.
  • the invention also provides an application of epoxy mortar for pasting PVC and treating concrete expansion joints in pasting PVC and treating concrete expansion joints.
  • the raw materials of the epoxy mortar include component A and component B.
  • the raw materials of the component A include epoxy resin and first additives
  • the raw material of the B component includes a curing agent and a second auxiliary agent.
  • the curing agent is composed of a modified polyetheramine and a modified fatty amine.
  • the modified polyetheramine is composed of a polyetheramine curing agent and an alkyl group. Phenol reacts with 2,4,6-tris(dimethylaminomethyl)phenol and then reacts with benzyl alcohol.
  • the modified fatty amine is produced by reacting octyl glycidyl ether and triethylenetetramine.
  • the feed mass ratio of the modified polyetheramine to the modified fatty amine is 0.8-2.0:1.
  • the polyetheramine curing agent in the process of making the modified polyetheramine, the polyetheramine curing agent, the alkylphenol, the 2,4,6-tris(dimethylaminocarbamate Base) phenol and the benzyl alcohol feed mass ratio is 3-11:1.5-7:0.3-2:1.
  • the polyetheramine curing agent is polyetheramine 230 and/or polyetheramine 400.
  • the alkylphenol is nonylphenol and/or dodecylphenol.
  • the temperature of the reaction It is room temperature.
  • the reaction after adding benzyl alcohol is performed at a temperature of 50-60°C.
  • the feeding molar ratio of the octyl glycidyl ether to the triethylenetetramine is 1:1.0-1.2.
  • the reaction is carried out at a temperature of 40-70°C.
  • the modified fatty amine is prepared by the following method: the octyl glycidyl ether is added dropwise to the triethylenetetramine at a temperature of 40-55°C, and then heated to It is made by continuing the reaction at 60-70°C.
  • the feed mass ratio of the component A to the component B is 1:1.0-1.05.
  • the epoxy resin is bisphenol A epoxy resin E51 and/or bisphenol A epoxy resin E44.
  • the first adjuvant includes a first dispersant, a first filler, a diluent, a first rheological agent, and a first defoamer.
  • epoxy resin accounts for 60-70%, first dispersant 0.5-1%, first filler 20-30%, and diluent 5-10%,
  • the first rheological agent is 2-4% and the first defoamer is 0.5-1%.
  • the first dispersant includes BYK-163.
  • the first filler includes quartz sand and glass frit.
  • the diluent includes propylene oxide butyl ether.
  • the first rheological agent includes DeuRheo229.
  • the first defoamer includes BYK-065.
  • the second auxiliary agent includes a second dispersant, a second filler, a second rheological agent, and a second defoamer.
  • the modified polyetheramine accounts for 20-30%
  • the modified fatty amine accounts for 15-25%
  • the second dispersant accounts for 0.5-1%
  • the second filler accounts for 50-60%
  • the second rheological agent accounts for 5-10%
  • the second defoamer accounts for 0.5-1%.
  • the second dispersant includes Disponer 904.
  • the second filler includes quartz sand and glass frit.
  • the second rheological agent includes BENGEL 828.
  • the second defoamer includes Defom 6500.
  • Another technical solution provided by the present invention a method for preparing the two-component epoxy mortar for pasting PVC and treating concrete expansion joints described above, characterized in that the preparation method includes the following steps:
  • component A Weigh each raw material according to the formula, first mix part of the first auxiliary agent with the epoxy resin, and then add the remaining first auxiliary agent, mix well to make component A;
  • component B Weigh each raw material according to the formula, mix the modified polyetheramine and modified fatty amine, add a second auxiliary agent, mix well to make component B;
  • Another technical solution provided by the present invention an application of the above-mentioned two-component epoxy mortar for pasting PVC and treating concrete expansion joints in pasting PVC and treating concrete expansion joints.
  • the present invention has the following advantages compared with the prior art:
  • the two-component epoxy mortar of the present invention is more environmentally friendly and can adapt to the deformation of concrete deformation joints and expansion joints. Furthermore, compared with the epoxy mortar in the prior art, the toughness, durability and Better strength, at the same time, it is not easy to pulverize and fall off, has good construction performance, has excellent adhesion to PVC coiled material, can move together with the expansion and contraction of concrete or deformation joint deformation, and thus can excellently guarantee the PVC coil Adhesion and adhesion between wood and concrete, so as to repair and waterproof concrete expansion and deformation joints.
  • the first dispersing agent is German BYK-163
  • the first rheological agent is Deming Rheo 229
  • the second dispersing agent is Deqian Disponer904
  • the second rheological agent is Haiming Shideqian BENGEL 828
  • the second defoaming agent is Haiming Shideqian Defom 6500.
  • This embodiment provides a two-component epoxy mortar for pasting PVC and treating concrete expansion joints.
  • the raw materials of the epoxy mortar include component A and component B.
  • the components A and B The feeding material ratio is 1:1;
  • the raw materials of the A component include bisphenol A type epoxy resin E51 (65 parts), first dispersant (1 part), quartz sand (20 parts), propylene oxide butyl ether (10 parts), first stream Change agent (3 parts) and first defoamer (1 part);
  • the raw materials of the B component include modified polyetheramine (23 parts), modified fatty amine (20 parts), second dispersant (1 part), quartz sand (50 parts), and second rheological agent (5 Parts) and the second defoamer (1 part);
  • the modified polyetheramine is obtained by the following method: the modified polyetheramine is obtained by reacting a polyetheramine curing agent, an alkylphenol and 2,4,6-tris(dimethylaminomethyl)phenol It is made by reacting with benzyl alcohol; specifically, pour 230 ether (50 parts) into the reaction kettle, stir at 300-500r/min at room temperature, add nonylphenol (30 parts) and 2,4,6-Tris(dimethylaminomethyl)phenol (10 parts), react for 1.5 hours, then add benzyl alcohol (10 parts), increase the temperature to 55°C, continue the reaction for 1.5 hours and stop heating, evacuate to 1KPa Following, extract volatiles to make modified polyetheramine;
  • benzyl alcohol specifically, pour 230 ether (50 parts) into the reaction kettle, stir at 300-500r/min at room temperature, add nonylphenol (30 parts) and 2,4,6-Tris(dimethylaminomethyl)phenol (10 parts), react for 1.5 hours, then add benzyl alcohol (10 parts), increase the temperature
  • the modified fatty amine is made by the reaction of octyl glycidyl ether and triethylenetetramine; specifically, triethylenetetramine (1mol) is put into the reaction bottle, stirring is started, and the rotation speed is controlled at 200-300r/ min, drop octyl glycidyl ether (1mol) dropwise at 50°C, and the dropwise addition time is controlled to 2 hours. After completion of the dropwise addition, raise the temperature to 65°C, continue the reaction for 3 hours, and lower the temperature to 50°C.
  • component A Weigh each raw material according to the formula, first mix propylene oxide butyl ether and epoxy resin uniformly, and then add the first dispersant, quartz sand, first rheological agent and first consumer Foaming agent, mix well to make A component;
  • component B Weigh each raw material according to the formula, mix the modified polyetheramine and modified fatty amine, and add the second dispersant, quartz sand, second rheological agent and second defoamer , Mix well to make component B;
  • This embodiment provides a two-component epoxy mortar for attaching PVC and treating concrete expansion joints, which is basically the same as that in Embodiment 1, except that the modified polyetheramine is obtained by the following method: Etheramine is made from polyetheramine curing agent, alkylphenol and 2,4,6-tris(dimethylaminomethyl)phenol and then reacted with benzyl alcohol; specifically, polyetheramine 400 (45 parts ) Pour into the reaction kettle, stir at 300-500r/min at room temperature, add dodecylphenol (32 parts) and 2,4,6-tris(dimethylaminomethyl)phenol (8 Parts), react for 2 hours, then add benzyl alcohol (15 parts), increase the temperature to 58°C, continue the reaction for 2 hours and stop heating, evacuate to below 1KPa, extract the volatiles to make modified polyetheramine.
  • Etheramine is made from polyetheramine curing agent, alkylphenol and 2,4,6-tris(dimethylaminomethyl)phenol and then reacted with benzy
  • This embodiment provides a two-component epoxy mortar for pasting PVC and treating concrete expansion joints, which is basically the same as that in Embodiment 1, except that the raw material of the A component includes bisphenol A epoxy resin E44 ( 60 parts), first dispersant (1 part), quartz sand (25 parts), propylene oxide butyl ether (9 parts), first rheological agent (4 parts) and first defoamer (1 part);
  • the raw material of the A component includes bisphenol A epoxy resin E44 ( 60 parts), first dispersant (1 part), quartz sand (25 parts), propylene oxide butyl ether (9 parts), first rheological agent (4 parts) and first defoamer (1 part);
  • the raw materials of the B component include modified polyetheramine (22 parts), modified fatty amine (22 parts), second dispersant (0.5 parts), quartz sand (50 parts), and second rheological agent (5 Parts) and the second defoamer (0.5 parts);
  • the modified fatty amine is made by the reaction of octyl glycidyl ether and triethylenetetramine; specifically, triethylenetetramine (1mol) is put into the reaction bottle, stirring is started, and the rotation speed is controlled at 250r/min, Add octyl glycidyl ether (1.1 mol) dropwise at 50°C, and the dropping time is controlled to 2 hours. After the dropwise addition is completed, raise the temperature to 60°C, continue the reaction for 2 hours, and lower the temperature to 50°C to prepare Modified fatty amine.
  • Example 2 It is basically the same as Example 1, except that the modified polyetheramine in component B is a commonly used commercially available polyetheramine curing agent.
  • Example 2 It is basically the same as Example 1, except that the modified fatty amine in component B is a commonly used commercially available fatty amine curing agent.
  • Bonding strength with concrete (standard conditions): internal standard Q/320584 PBT021-2018, specifically according to 6.3.1.2.3.2 and 6.3.9 in GB/T22374-2018;
  • Bonding strength with concrete (after water immersion): Internal standard Q/320584 PBT021-2018, specifically according to 6.3.1.2.3.2 and 6.3.9 in GB/T22374-2018;
  • Bonding strength with steel surface internal standard Q/320584 PBT021-2018, specifically according to GB/T22374-2018 6.3.1.2.3.2 and 6.3.9, replacing the concrete slab with stainless steel plate;
  • Bonding strength with PVC internal standard Q/320584 PBT021-2018, specifically according to GB/T22374-2018 6.3.1.2.3.2 and 6.3.9, replacing the concrete slab with PVC slab;
  • Compressive strength Internal standard Q/320584 PBT021-2018, specifically according to the provisions of 5.2 in GB/T2567-2008;

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

一种粘贴 PVC 及处理混凝土伸缩缝用的双组份环氧砂浆及其制备方法和应用，环氧砂浆的原料包括 A 组分和 B 组分，A 组分的原料包括环氧树脂、第一助剂，B 组分的原料包括固化剂、第二助剂，固化剂由改性聚醚胺和改性脂肪胺构成，改性聚醚胺由聚醚胺固化剂、烷基酚和 2,4,6-三(二甲氨基甲基)苯酚反应后再与苯甲醇反应而制成，改性脂肪胺由辛基缩水甘油醚和三乙烯四胺反应而制成；制备：先分别制备 A、B 组分，然后混匀，即可；及上述环氧砂浆在粘贴 PVC 及处理混凝土伸缩缝中的应用；本发明能够与 PVC 具有极好的粘接力，并兼具优异的力学性能和耐久性能，施工性好，能够适应混凝土动态变形。

Description

一种粘贴PVC及处理混凝土伸缩缝用的环氧砂浆及其制备方法和应用 技术领域
本发明属于建筑材料领域，具体涉及一种粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆及其制备方法和应用。
背景技术
目前，粘贴PVC(聚氯乙烯)的主流产品是氯丁橡胶，然而其含有大量溶剂，粘贴时气味较大，同时如果氯丁橡胶涂刷不均匀，粘贴PVC后，易出现空鼓导致工程失败，同时氯丁橡胶无法适应混凝土变形缝的形变，导致PVC工程出现隐患。
目前，现有技术中也有采用环氧砂浆处理桥梁伸缩缝或混凝土伸缩缝结构，例如中国发明专利CN103387353A，然而此专利使用的异氰酸酯或其预聚物具有剧毒及强烈刺激性，除不锈钢、镍、玻璃、陶瓷外其他材料与其接触均有被腐蚀危险并产生放热反应，在进行伸缩缝修复时，影响伸缩缝既有材料性能，并给施工人员带来健康危害。
又如中国发明专利CN105541180A，此专利采用二元胺D2000和D230混合后作为环氧树脂固化剂，虽然能够使得制备的环氧砂浆具有一定柔性，能够吸收冲击应力，但是对于PVC基材例如PVC防水卷材粘接力较差，难以将PVC防水卷材牢牢地粘贴在混凝土基体上，且随着混凝土伸缩缝的变形，PVC防水卷材极易脱落，进而导致PVC工程的失败。
发明内容
本发明所要解决的技术问题是为了克服现有技术的不足，提供一种改进的粘贴PVC及处理混凝土伸缩缝用的环氧砂浆，其能够与PVC具有极好的粘接力，并兼具优异的力学性能和耐久性能，施工性好，能够适应混凝土动态变形。
本发明同时还提供了一种粘贴PVC及处理混凝土伸缩缝用的环氧砂浆的制备方法。
本发明同时又提供了一种粘贴PVC及处理混凝土伸缩缝用的环氧砂浆在粘贴PVC及处理混凝土伸缩缝中的应用。
为解决以上技术问题，本发明采取的一种技术方案如下：
一种粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，所述环氧砂浆的原料包括A组分和B组分，所述A组分的原料包括环氧树脂、第一助剂，所述B组分的原料包括固化剂、第二助剂，所述固化剂由改性聚醚胺和改性脂肪胺构成，所述改性聚醚胺由聚醚胺固化剂、烷基酚和2,4,6-三(二甲氨基甲基)苯酚反应后再与苯甲醇反应而制成，所述改性脂肪胺由辛基缩水甘油醚和三乙烯四胺反应而制成。
根据本发明的一些优选方面，所述改性聚醚胺与所述改性脂肪胺的投料质量比为0.8-2.0∶1。
根据本发明的一些优选方面，在制成所述改性聚醚胺的过程中，所述聚醚胺固化剂、所述烷基酚、所述2,4,6-三(二甲氨基甲基)苯酚和所述苯甲醇的投料质量比为3-11∶1.5-7∶0.3-2∶1。
根据本发明的一些优选方面，所述聚醚胺固化剂为聚醚胺230和/或聚醚胺400。
根据本发明的一些优选方面，所述烷基酚为壬基酚和/或十二烷基酚。
根据本发明的一些优选方面，在所述聚醚胺固化剂、所述烷基酚和所述2,4,6-三(二甲氨基甲基)苯酚的反应过程中，所述反应的温度为室温。
根据本发明的一些优选方面，在制成所述改性聚醚胺的过程中，加入苯甲醇后的所述反应在温度50-60℃下进行。
根据本发明的一些优选方面，在制成所述改性脂肪胺的过程中，所述辛基缩水甘油醚与所述三乙烯四胺的投料摩尔比为1∶1.0-1.2。
根据本发明的一些优选方面，在制成所述改性脂肪胺的过程中，所述反应在温度40-70℃下进行。
根据本发明的一些优选方面，所述改性脂肪胺通过如下方法制备而得：在温度40-55℃下将所述辛基缩水甘油醚滴加至所述三乙烯四胺中，然后升温至60-70℃下继续反应而制成。
根据本发明的一些优选方面，所述A组分与所述B组分的投料质量比为1∶1.0-1.05。
根据本发明的一些优选方面，所述环氧树脂为双酚A型环氧树脂E51和/或双酚A型环氧树脂E44。
根据本发明的一些优选方面，所述第一助剂包括第一分散剂、第一填料、稀释剂、第一流变剂和第一消泡剂。
进一步地，以质量百分含量计，A组分中，环氧树脂占60-70％，第一分散剂0.5-1％，第一填料占20-30％，稀释剂占5-10％，第一流变剂2-4％和第一消泡剂占0.5-1％。
根据本发明的一些具体且优选的方面，所述第一分散剂包括BYK-163。
根据本发明的一些具体且优选的方面，所述第一填料包括石英砂、玻璃粉。
根据本发明的一些具体且优选的方面，所述稀释剂包括环氧丙烷丁基醚。
根据本发明的一些具体且优选的方面，所述第一流变剂包括DeuRheo 229。
根据本发明的一些具体且优选的方面，所述第一消泡剂包括BYK-065。
根据本发明的一些优选方面，所述第二助剂包括第二分散剂、第二填料、第二流变剂和第二消泡剂。
进一步地，以质量百分含量计，B组分中，改性聚醚胺占20-30％，改性脂肪胺占15-25％，第二分散剂占0.5-1％，第二填料占50-60％，第二流变剂占5-10％和第二消泡剂占0.5-1％。
根据本发明的一些具体且优选的方面，所述第二分散剂包括Disponer904。
根据本发明的一些具体且优选的方面，所述第二填料包括石英砂、玻璃粉。
根据本发明的一些具体且优选的方面，所述第二流变剂包括BENGEL 828。
根据本发明的一些具体且优选的方面，所述第二消泡剂包括Defom 6500。
本发明提供的又一技术方案：一种上述所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆的制备方法，其特征在于，所述制备方法包括如下步骤：
(1)A组分的制备：按配方称取各原料，先使部分第一助剂和环氧树脂混合，然后再加入剩余第一助剂，混匀，制成A组分；
(2)B组分的制备：按配方称取各原料，将改性聚醚胺和改性脂肪胺混合后，加入第二助剂，混匀，制成B组分；
(3)环氧砂浆的制备：按配方称取A组分和B组分，然后混合，制成所述粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆。
本发明提供的又一技术方案：一种上述所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆在粘贴PVC及处理混凝土伸缩缝中的应用。
由于以上技术方案的采用，本发明与现有技术相比具有如下优点：
本发明的双组份环氧砂浆相比主流的氯丁橡胶更环保，且能适应混凝土变形缝、伸缩缝的变形；再者，相比现有技术中的环氧砂浆，韧性、耐久性以及强度更好，同时还不易粉化脱落、具有良好的施工性能，对PVC卷材具有极其优异的粘接能力，可以伴随混凝土伸缩或变形缝的形变而共同运动，进而可以极好地保证PVC卷材与混凝土之间的粘附附着，从而实现对混凝土伸缩或变形缝的修补与防水等操作。
具体实施方式
以下结合具体实施例对上述方案做进一步说明；应理解，这些实施例是用于说明本发明的基本原理、主要特征和优点，而本发明不受以下实施例的范围限制；实施例中采用的实施条件可以根据具体要求做进一步调整，未注明的实施条件通常为常规实验中的条件。
在以下实施例中，如无特别说明，所有原料均来自于商购或者通过本领域的常规方法制备而得。下述中，第一分散剂为德国BYK-163，第一流变剂为海名斯德谦流变剂DeuRheo 229，第一消泡剂毕克BYK-065，第二分散剂为德谦Disponer904，第二流变剂为海名斯德谦BENGEL 828，第二消泡剂为海名斯德谦Defom 6500。
实施例1
本实施例提供一种粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，所述环氧砂浆的原料包括A组分和B组分，所述A组分与所述B组分的投料质量比为1∶1；
所述A组分的原料包括双酚A型环氧树脂E51(65份)、第一分散剂(1份)、石英砂(20份)、环氧丙烷丁基醚(10份)、第一流变剂(3份)和第一消泡剂(1份)；
所述B组分的原料包括改性聚醚胺(23份)、改性脂肪胺(20份)、第二分散剂(1份)、石英砂(50份)、第二流变剂(5份)和第二消泡剂(1份)；
其中，所述改性聚醚胺通过如下方法获得：所述改性聚醚胺由聚醚胺固化剂、烷基酚和2,4,6-三(二甲氨基甲基)苯酚反应后再与苯甲醇反应而制成；具体地，将聚醚胺230(50份)倒入反应釜中，室温下以300-500r/min转速搅拌，在搅拌过程中加入壬基酚(30份)和2,4,6-三(二甲氨基甲基)苯酚(10份)，反应1.5小时，然后加入苯甲醇(10份)，升温至55℃，继续反应1.5小时并停 止加热，抽真空至1KPa以下，抽取挥发物，制成改性聚醚胺；
所述改性脂肪胺由辛基缩水甘油醚和三乙烯四胺反应而制成；具体地，将将三乙烯四胺(1mol)投入到反应瓶中，开启搅拌，转速控制在200-300r/min，在50℃下逐滴滴入辛基缩水甘油醚(1mol)，滴加时间控制在2小时，滴加完成后，将温度升至65℃，继续反应3小时，降温至50℃，制成改性脂肪胺；
制备所述粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆：
(1)A组分的制备：按配方称取各原料，先使环氧丙烷丁基醚和环氧树脂混合均匀，然后再加入第一分散剂、石英砂、第一流变剂和第一消泡剂，混匀，制成A组分；
(2)B组分的制备：按配方称取各原料，将改性聚醚胺和改性脂肪胺混合后，加入第二分散剂、石英砂、第二流变剂和第二消泡剂，混匀，制成B组分；
(3)环氧砂浆的制备：按配方称取A组分和B组分，然后混合，即制成所述粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆。
实施例2
本实施例提供一种粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其基本同实施例1，区别仅在于：所述改性聚醚胺通过如下方法获得：所述改性聚醚胺由聚醚胺固化剂、烷基酚和2,4,6-三(二甲氨基甲基)苯酚反应后再与苯甲醇反应而制成；具体地，将聚醚胺400(45份)倒入反应釜中，室温下以300-500r/min转速搅拌，在搅拌过程中加入十二烷基酚(32份)和2,4,6-三(二甲氨基甲基)苯酚(8份)，反应2小时，然后加入苯甲醇(15份)，升温至58℃，继续反应2小时并停止加热，抽真空至1KPa以下，抽取挥发物，制成改性聚醚胺。
实施例3
本实施例提供一种粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其基本同实施例1，区别仅在于：所述A组分的原料包括双酚A型环氧树脂E44(60份)、第一分散剂(1份)、石英砂(25份)、环氧丙烷丁基醚(9份)、第一流变剂(4份)和第一消泡剂(1份)；
所述B组分的原料包括改性聚醚胺(22份)、改性脂肪胺(22份)、第二分散剂(0.5份)、石英砂(50份)、第二流变剂(5份)和第二消泡剂(0.5份)；
所述改性脂肪胺由辛基缩水甘油醚和三乙烯四胺反应而制成；具体地，将将三乙烯四胺(1mol)投入到反应瓶中，开启搅拌，转速控制在250r/min，在50℃下逐滴滴入辛基缩水甘油醚(1.1mol)，滴加时间控制在2小时，滴加完成后，将温度升至60℃，继续反应2小时，降温至50℃，制成改性脂肪胺。
对比例1
其基本同实施例1，区别仅在于：B组分中的改性聚醚胺为常用的市售聚醚胺固化剂。
对比例2
其基本同实施例1，区别仅在于：B组分中的改性脂肪胺为常用的市售脂肪胺固化剂。
性能测试
将上述实施例1-3以及对比例1-2所制备的环氧砂浆用于填充混凝土伸缩缝并粘贴PVC，测得各方面性能如下表1所示。
下述各性能按照如下标准或方法测定：
与混凝土粘接强度(标准条件)：内标Q/320584 PBT021-2018，具体按GB/T22374-2018中6.3.1.2.3.2及6.3.9；
与混凝土粘接强度(浸水后)：内标Q/320584 PBT021-2018，具体按GB/T22374-2018中6.3.1.2.3.2及6.3.9；
与钢表面粘接强度：内标Q/320584 PBT021-2018，具体为按GB/T22374-2018中6.3.1.2.3.2及6.3.9，将其中的混凝土板换成不锈钢板；
与PVC的粘接强度：内标Q/320584 PBT021-2018，具体为按GB/T22374-2018中6.3.1.2.3.2及6.3.9，将其中的混凝土板换成PVC板；
抗压强度：内标Q/320584 PBT021-2018，具体为按GB/T2567-2008中5.2规定；
表干时间：内标Q/320584 PBT021-2018，具体为按GB/T1728-1979规定，表干按乙法规定，实干按甲法规定；
实干时间：内标Q/320584 PBT021-2018，具体为按GB/T1728-1979规定，表干按乙法规定，实干按甲法规定。
表1
Figure PCTCN2019099422-appb-000001
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围，凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (12)

  1. 一种粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，所述环氧砂浆的原料包括A组分和B组分，所述A组分的原料包括环氧树脂、第一助剂，所述B组分的原料包括固化剂、第二助剂，其特征在于，所述固化剂由改性聚醚胺和改性脂肪胺构成，所述改性聚醚胺由聚醚胺固化剂、烷基酚和2,4,6-三(二甲氨基甲基)苯酚反应后再与苯甲醇反应而制成，所述改性脂肪胺由辛基缩水甘油醚和三乙烯四胺反应而制成。
  2. 根据权利要求1所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，所述改性聚醚胺与所述改性脂肪胺的投料质量比为0.8-2.0∶1。
  3. 根据权利要求1所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，在制成所述改性聚醚胺的过程中，所述聚醚胺固化剂、所述烷基酚、所述2,4,6-三(二甲氨基甲基)苯酚和所述苯甲醇的投料质量比为3-11∶1.5-7∶0.3-2∶1；和/或，所述聚醚胺固化剂为聚醚胺230和/或聚醚胺400；和/或，所述烷基酚为壬基酚和/或十二烷基酚。
  4. 根据权利要求1所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，在所述聚醚胺固化剂、所述烷基酚和所述2,4,6-三(二甲氨基甲基)苯酚的反应过程中，所述反应的温度为室温；和/或，在制成所述改性聚醚胺的过程中，加入苯甲醇后的所述反应在温度50-60℃下进行。
  5. 根据权利要求1所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，在制成所述改性脂肪胺的过程中，所述辛基缩水甘油醚与所述三乙烯四胺的投料摩尔比为1∶1.0-1.2。
  6. 根据权利要求1所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，在制成所述改性脂肪胺的过程中，所述反应在温度40-70℃下进行。
  7. 根据权利要求1或5或6所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，所述改性脂肪胺通过如下方法制备而得：在温度40-55℃下将所述辛基缩水甘油醚滴加至所述三乙烯四胺中，然后升温至60-70℃下继续反应而制成。
  8. 根据权利要求1所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，所述A组分与所述B组分的投料质量比为1∶1.0-1.05；和/或，所述环氧树脂为双酚A型环氧树脂E51和/或双酚A型环氧树脂E44；和/ 或，所述第一助剂包括第一分散剂、第一填料、稀释剂、第一流变剂和第一消泡剂；和/或，所述第二助剂包括第二分散剂、第二填料、第二流变剂和第二消泡剂。
  9. 根据权利要求8所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，以质量百分含量计，A组分中，环氧树脂占60-70％，第一分散剂0.5-1％，第一填料占20-30％，稀释剂占5-10％，第一流变剂2-4％和第一消泡剂占0.5-1％。
  10. 根据权利要求8或9所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆，其特征在于，以质量百分含量计，B组分中，改性聚醚胺占20-30％，改性脂肪胺占15-25％，第二分散剂占0.5-1％，第二填料占50-60％，第二流变剂占5-10％和第二消泡剂占0.5-1％。
  11. 一种权利要求1-10中任一项权利要求所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆的制备方法，其特征在于，所述制备方法包括如下步骤：
    (1)A组分的制备：按配方称取各原料，先使部分第一助剂和环氧树脂混合，然后再加入剩余第一助剂，混匀，制成A组分；
    (2)B组分的制备：按配方称取各原料，将改性聚醚胺和改性脂肪胺混合后，加入第二助剂，混匀，制成B组分；
    (3)环氧砂浆的制备：按配方称取A组分和B组分，然后混合，制成所述粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆。
  12. 一种根据权利要求1-10中任一项权利要求所述的粘贴PVC及处理混凝土伸缩缝用的双组份环氧砂浆在粘贴PVC及处理混凝土伸缩缝中的应用。
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