CN105802550B - High-elastic diatom waterproof glue and preparation and application thereof - Google Patents

High-elastic diatom waterproof glue and preparation and application thereof Download PDF

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CN105802550B
CN105802550B CN201610082653.8A CN201610082653A CN105802550B CN 105802550 B CN105802550 B CN 105802550B CN 201610082653 A CN201610082653 A CN 201610082653A CN 105802550 B CN105802550 B CN 105802550B
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diatom
water
waterproof glue
elastic
preparation
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CN105802550A (en
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张来强
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Shanghai Xinwang Anticorrosion And Heat Insulation Co ltd
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Shanghai Xinwang Anticorrosion And Heat Insulation Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Material Composition (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention relates to a high-elastic diatom waterproof glue and a preparation method and application thereof, wherein the high-elastic diatom waterproof glue comprises the following raw material components: the paint comprises organic silicon modified acrylate emulsion, polyurethane emulsion, diatomite kaolin, bentonite, lithopone, a dispersing agent, a film forming auxiliary agent, a plasticizer, a preservative, an organic silicon defoaming agent and water. Preparation: adding water, adding a dispersing agent, uniformly stirring, adding diatomite, kaolin, bentonite and lithopone, uniformly stirring, grinding until the particle size of a sample reaches 5-10 mu m, stopping grinding, adding an organic silicon modified acrylate emulsion, a polyurethane emulsion, an acrylate emulsion, a film-forming assistant, a plasticizer and a preservative, uniformly stirring, adding an organic silicon defoamer, and uniformly stirring to obtain the water-based paint. The method is applied to the preparation of diatom water stop strips, diatom putty and diatom paste by water stop, joint filling and sealing of the wall-penetrating pipe and the pipe joint air. The material of the invention has good sealing water-stopping performance, high expansion water-packing performance and the like.

Description

High-elastic diatom waterproof glue and preparation and application thereof
Technical Field
The invention belongs to the field of preparation and application of building waterproof adhesive materials, and particularly relates to a high-elasticity diatom waterproof adhesive and preparation and application thereof.
Background
The chemical grouting material is divided into inorganic grouting material and organic grouting material, wherein the inorganic grouting material takes sodium silicate as a main raw material and is called as a grouting material for silicification; the organic grouting material uses various high polymer materials as main raw materials, and currently, sodium silicate, epoxy resin, methyl methacrylate, acrylamide, polyurethane and the like are commonly used.
The grouting material for silicification is chemical slurry using sodium silicate as main raw material. There are two perfusion methods, two-fluid and one-fluid: the two-liquid method is characterized in that sodium silicate and calcium chloride solutions are sequentially pressed in, the strength of the combined stone is high, but the used silicate solution has high viscosity and is generally used for reinforcing and seepage-proofing sandy soil with the permeability coefficient of 2-80 m/day; the single-liquid method adopts a relatively dilute sodium silicate solution, has low viscosity and strength, and is generally used for reinforcing loess or loess sandy soil. The grouting material has the advantages of alkali resistance, poor water washing resistance, corrosiveness and irritation, and can cause burn of a human body;
the epoxy resin grouting material is prepared by taking epoxy resin as a main body and adding a curing agent, a diluent, a toughening agent and the like in a certain proportion and mixing. After being hardened, the epoxy resin has strong bonding force, small shrinkage and good stability, and is a main reinforcing material for structural concrete. Some important structures with high strength requirements are mostly grouted by epoxy resin. In recent years, the water-repellent agent can be used for treating water leakage cracks, but the water-repellent agent has strong water repellency and poor adhesion to moisture cracks.
Acrylamide plugging slurry, abbreviated as propyl coagulation. It uses acrylamide as base material and uses formaldehyde, ammonium persulfate, triethanolamine, ferrous sulfate and potassium ferricyanide as adjuvant. When in use, the oxidant and other materials are respectively prepared into two solutions which are simultaneously filled according to a certain proportion. The low viscosity of the setting slurry fills the crevices where the slurry cannot reach, and then polymerizes in the crevices to form gels that block the leakage path. However, the strength of the acrylic polymer is very low, and a certain amount of urea-formaldehyde resin can be added to prepare the acrylic grouting material with higher strength. The method is mainly used for seepage-proofing and leakage-stopping engineering. But the compressive strength of the gel is low, the durability of the slurry and the gel is poor, the slurry has certain toxicity, and the propyl coagulation slurry and iron are easy to react and have certain corrosivity.
The polyurethane grouting material is prepared from isocyanate, polyether, an accelerator and the like. By adopting single liquid filling, water-insoluble gel is generated immediately after meeting water and gas is released at the same time, so that the slurry is expanded and permeates to the periphery again, but the water-absorbing and swelling consolidation body loses water and shrinks, and the shrinking consolidation body cannot swell or has insufficient swelling rate after meeting water again, so that're-leakage' is possibly caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-elasticity diatom waterproof adhesive and preparation and application thereof.
The invention relates to a high-elastic diatom waterproof glue which comprises the following raw materials in percentage by mass:
Figure BDA0000923182830000021
the organosilicon modified acrylate emulsion (Beijing Oriental organic chemical plant)
The dispersant is sodium hexametaphosphate.
The film-forming aid is ethylene glycol.
The plasticizer is dibutyl phthalate.
The preservative is sodium pentachlorophenate.
The invention discloses a preparation method of high-elastic diatom waterproof glue, which comprises the following steps:
adding water, adding a dispersing agent, uniformly stirring, adding diatomite, kaolin, bentonite and lithopone, uniformly stirring, grinding until the particle size of a sample reaches 5-10 mu m, stopping grinding, adding an organic silicon modified acrylate emulsion, a polyurethane emulsion, an acrylate emulsion, a film-forming assistant, a plasticizer and a preservative, uniformly stirring, adding an organic silicon defoamer, and uniformly stirring to obtain the water-based paint.
The preparation process is carried out at normal temperature and normal pressure.
The grinding is carried out by adopting a three-roller grinding machine.
The high-elasticity diatom waterproof glue is applied to sealing and crack pouring and plugging water stopping of an entrance and exit hole, a wall pipe thin seam, a duct piece seam and a settlement joint agent irregular concrete structure crack.
The invention discloses application of high-elasticity diatom waterproof glue, which is characterized in that: the high-elastic diatom waterproof glue is applied to preparation of diatom water-stop strips, diatom putty and diatom paste.
Advantageous effects
(1) The high-elasticity diatom waterproof glue is an expansion type flexible substance, can resist the permeation of external moisture such as crack of a gap caused by unstable foundation, welding construction flaw and falling of a steel structure gap, and has strong adhesive force with a base material and good chemical corrosion resistance;
(2) the high-elasticity diatom waterproof glue disclosed by the invention has high expansion and elasticity, can be used for plugging and stopping water for a long time, and avoids the defects of repeated plugging and maintenance of other products and the like;
(3) the high-elasticity diatom waterproof glue can be dispersed into gel after meeting water to form a colloidal elastic solidification body, and has a good water stopping effect;
(4) the high-elastic diatom waterproof glue can be used for grouting in cracks, and can expand by 3-5 times when meeting water after being cured, so that the water is prevented from permeating;
(5) the invention adopts high-pressure pouring, has high efficiency and is simple and convenient to construct.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The following examination items were examined according to the following: JC/T2041-2010; GB/T18173.3-2002; GB/T1677-2008.
Example 1
Figure BDA0000923182830000031
Figure BDA0000923182830000041
Preparation: adding sodium hexametaphosphate into water according to the formula to completely dissolve, adding diatomite, kaolin, bentonite and lithopone, stirring for 30 minutes, grinding by using a three-roller grinder, sampling and detecting, and stopping grinding when the particle size of a sample reaches 5 +/-0.1 mu m. Adding organic silicon modified acrylate emulsion, polyurethane emulsion, acrylate emulsion, ethylene glycol, dibutyl phthalate and sodium pentachlorophenate, stirring for 20 minutes, adding an organic silicon defoamer, stirring uniformly, detecting, filtering and packaging.
TABLE 1
Serial number Detecting items Examination results
1 Viscosity, mPas 129
2 Gel time, s 24
3 Water-binding capacity (10 times), s 53
4 Water swelling rate% 246
5 Tensile strength, MPa 0.48
6 Elongation at break% 44
7 Adhesive strength, MPa 0.66
Example 2
Figure BDA0000923182830000042
Figure BDA0000923182830000051
Preparation: adding sodium hexametaphosphate into water to completely dissolve, adding diatomite, kaolin, bentonite and lithopone, stirring for 30 min, grinding with a three-roller grinder, sampling, and stopping grinding when the particle size of the sample reaches 6 + -0.1 μm. Adding organic silicon modified acrylate emulsion, polyurethane emulsion, acrylate emulsion, ethylene glycol, dibutyl phthalate and sodium pentachlorophenate, stirring for 20 minutes, adding an organic silicon defoamer, stirring uniformly, detecting, filtering and packaging.
TABLE 2
Serial number Detecting items Examination results
1 Viscosity, mPas 143
2 Gel time, s 22
3 Water-binding capacity (10 times), s 51
4 Water swelling rate% 258
5 Tensile strength, MPa 0.68
6 Elongation at break% 64
7 Adhesive strength, MPa 0.78
Example 3
Figure BDA0000923182830000052
Figure BDA0000923182830000061
Preparation: adding sodium hexametaphosphate into water, dissolving completely, adding diatomite, kaolin, bentonite, lithopone, stirring for 30 min, grinding with a three-roller grinder, sampling, and stopping grinding when the particle size of the sample reaches 5.5 + -0.2 μm. Adding organic silicon modified acrylate emulsion, polyurethane emulsion, acrylate emulsion, ethylene glycol, dibutyl phthalate and sodium pentachlorophenate, stirring for 20 minutes, adding an organic silicon defoamer, stirring uniformly, detecting, filtering and packaging.
TABLE 3
Serial number Detecting items Examination results
1 Viscosity, mPa. cndots 141
2 Gel time, s 21
3 Water-binding capacity (10 times), s 50
4 Water swelling rate% 252
5 Tensile strength, MPa 0.65
6 Elongation at break% 68
7 Adhesive strength, MPa 0.88

Claims (9)

1. The high-elastic diatom waterproof glue is characterized in that: the raw material components by mass percent are as follows:
Figure FDA0000923182820000011
2. the high-elasticity diatom waterproof glue of claim 1, wherein: the dispersant is sodium hexametaphosphate.
3. The high-elasticity diatom waterproof glue of claim 1, wherein: the film-forming aid is ethylene glycol.
4. The high-elasticity diatom waterproof glue of claim 1, wherein: the plasticizer is dibutyl phthalate.
5. The high-elasticity diatom waterproof glue of claim 1, wherein: the preservative is sodium pentachlorophenate.
6. A method for preparing the high elastic diatom water repellent gel of any one of claims 1-5, comprising:
adding water, adding a dispersing agent, uniformly stirring, adding diatomite, kaolin, bentonite and lithopone, uniformly stirring, grinding until the particle size of a sample reaches 5-10 mu m, stopping grinding, adding an organic silicon modified acrylate emulsion, a polyurethane emulsion, an acrylate emulsion, a film-forming assistant, a plasticizer and a preservative, uniformly stirring, adding an organic silicon defoamer, and uniformly stirring to obtain the water-based paint.
7. The preparation method of the high-elastic diatom waterproof glue according to claim 6, wherein the preparation method comprises the following steps: the grinding is carried out by adopting a three-roller grinding machine.
8. Use of a high elastic diatom waterproofing gel according to any of claims 1-5 wherein: the high-elasticity diatom waterproof glue is applied to sealing and crack pouring and plugging water stopping of an entrance and exit hole, a wall penetrating pipe thin crack, a duct piece gap and a settlement joint agent irregular concrete structure crack.
9. The use of the high elastic diatom waterproofing gel according to any of claims 1-5 wherein: the high-elastic diatom waterproof glue is applied to preparation of diatom water-stop strips, diatom putty and diatom paste.
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CN107189752A (en) * 2017-07-04 2017-09-22 合肥慧林建材有限公司 A kind of novel ceramic tile gap filler and preparation method thereof
CN108165215A (en) * 2018-02-07 2018-06-15 合肥嘉仕诚能源科技有限公司 A kind of anti-oxidant heat-resisting waterproof gasket cement of high viscosity
CN111171737A (en) * 2020-02-27 2020-05-19 广东九佛新材料科技有限公司 Protective film and preparation method thereof

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