CN114685121A - Composite mortar and production process thereof - Google Patents

Composite mortar and production process thereof Download PDF

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Publication number
CN114685121A
CN114685121A CN202210374998.6A CN202210374998A CN114685121A CN 114685121 A CN114685121 A CN 114685121A CN 202210374998 A CN202210374998 A CN 202210374998A CN 114685121 A CN114685121 A CN 114685121A
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Prior art keywords
parts
composite mortar
mortar
rubber powder
modified
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CN202210374998.6A
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CN114685121B (en
Inventor
范启运
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Shandong Tongju Building Energy Saving Technology Co ltd
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Shandong Tongju Building Energy Saving Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, i.e. waterproof or water-repellent materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34Non-shrinking or non-cracking materials
    • C04B2111/343Crack resistant materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention relates to the technical field of cement mortar, in particular to composite mortar and a production process thereof. Comprises the following components: 80-200 parts of cement, 100-200 parts of yellow river sand, 20-30 parts of modified micro rubber powder, 5-10 parts of emulsified asphalt, 1-3 parts of nano carbon black, 5-8 parts of modified acrylic emulsion, 2-3 parts of sodium dodecyl benzene sulfonate, 2-6 parts of alginate cellulose, 2-6 parts of polyvinyl alcohol fiber, 5-8 parts of organic silicon polymer, 2-10 parts of polyurethane emulsion, 1-2 parts of alcohol extender, 2-4 parts of water-retaining thickener and 1-3 parts of water reducer; the invention is prepared by using waste rubber, and has the physical and chemical properties of environmental protection and heat preservation; the anti-aging performance of the modified micro rubber powder is improved, the composite mortar has good water resistance and weather resistance, excellent heat insulation performance and bonding performance, a micro cross-linked net structure is formed, and the physical and chemical properties are excellent.

Description

Composite mortar and production process thereof
Technical Field
The invention relates to the technical field of cement mortar, in particular to composite mortar and a production process thereof.
Background
The traditional cement mortar is formed by mixing cement, fine aggregate and water, is mainly used in the field of construction, and in the construction engineering, firstly, a foundation and a wall are built and used as an adhesive of blocky masonry materials, such as rubble and red brick, cement mortar is used; and secondly, the plastering device is used for indoor and outdoor plastering. The traditional cement mortar has the advantages of simple operation, rich raw materials, low price and the like, but still has the defects of easy cracking, low compression strength, no toxicity, poor impact resistance, low thermal insulation performance, poor bonding strength performance, easy leakage stoppage and the like.
Along with the continuous development of the technology in the field of construction, a lot of high-performance cement mortars appear, including rubber powder cement mortar, which is mainly used in places such as construction engineering and the like, mainly used for recycling waste rubber and has excellent sound insulation and heat preservation properties; the main components of the rubber powder cement mortar on the market at present are rubber powder cement mortar and sand, and the rubber powder cement mortar and the sand are simply mixed to form the rubber powder cement mortar; although the production is simple and the production can be carried out quickly, the defects of cracks, hollowing, poor bonding performance and the like exist, and the requirement of the prior building field on mortar cannot be completely met. Therefore, the present application proposes a composite mortar and a production process thereof for solving the above problems.
Disclosure of Invention
The invention aims to solve the main problem of providing the composite mortar and the production process thereof, and the composite mortar has the characteristics of environmental protection, no toxicity, heat preservation, good cohesiveness and the like.
The invention is implemented by the following technical scheme: a composite mortar and a production process thereof,
comprises the following components:
80-200 parts of cement as a mortar base material, wherein ordinary cement or special cement can be selected;
100 portions of yellow river sand and 200 portions of yellow river sand, wherein the yellow river sand is taken from the settled sand at the bottom of the yellow river and has the characteristics of fine particle size and uniform particles;
20-30 parts of modified micro rubber powder, which is one of main functional materials of the composite mortar, is prepared from waste rubber, and has the physical and chemical properties of environmental protection and heat preservation;
5-10 parts of emulsified asphalt which is one of main functional materials of the composite mortar interacts with the modified micro-rubber powder, so that the overall cohesiveness of the composite mortar is improved, and the solidification speed of the mortar can be improved;
1-3 parts of nano carbon black serving as a reinforcing material of the composite mortar, so that the ageing resistance of the modified micro rubber powder is improved;
5-8 parts of modified acrylic emulsion is more beneficial to the fusion of cement, yellow river sand, modified micro rubber powder, emulsified asphalt and the like, and the composite mortar has good water resistance and weather resistance;
2-3 parts of sodium dodecyl benzene sulfonate, so that the fluidity of each component is enhanced, and the compatibility of each component is better;
2-6 parts of alginate cellulose serving as a supporting material of the composite mortar are randomly distributed in the composite mortar, so that the micro-three-dimensional structure of the solidified composite mortar is enhanced;
2-6 parts of polyvinyl alcohol fiber, which is made of polyvinyl alcohol short fiber, has supporting and lubricating effects, can better promote the uniform mixing of cement and yellow river sand, and also has a certain supporting effect;
5-8 parts of an organic silicon polymer, wherein the organic silicon polymer comprises octamethylcyclotetrasiloxane and a coupling agent, and can better form a cross-linking structure with the modified micro-rubber powder, so that the structural stability of the composite mortar is improved;
2-10 parts of polyurethane emulsion serving as a heat insulation material of the composite mortar enhances the heat insulation performance on one hand and enhances the cohesiveness on the other hand, so that cement, yellow river sand and modified micro rubber powder are more easily combined in the micro three-dimensional structure of the composite mortar;
1-2 parts of alcohol extender which is used as a supplementary material of the polyurethane emulsion to enhance the stability of the polyurethane emulsion;
2-4 parts of a water-retaining thickener;
1-3 parts of a water reducing agent.
Wherein the modified micro rubber powder is 100-120 meshes.
Furthermore, the cement in the composite mortar is silicate cement.
Furthermore, the yellow river sand in the composite mortar is 50-100 meshes.
Wherein the alcohol replenisher is 1, 4-butanediol, triethylene glycol or polyethylene glycol.
Wherein the water-retaining thickener is one or a combination of several of hydroxyethyl cellulose, sodium polyacrylate, hydroxypropyl methyl cellulose ether and hydroxyethyl methyl cellulose ether.
Wherein the water reducing agent is a polycarboxylic acid water reducing agent.
The invention relates to a production process of composite mortar, which comprises the following steps:
s1 preparation of modified micro rubber powder: crushing the waste rubber, and sieving the crushed waste rubber through a 100-mesh and 120-mesh sieve; regenerating the screened micro rubber powder by microwave, adding nano carbon black after regeneration, and uniformly stirring for later use;
s2 preparation of mortar modified matrix: adding silicone oil into the mixture of the modified micro-rubber powder obtained in the step S1 and the nano carbon black, and uniformly mixing to obtain a rubber matrix; the silicone oil accounts for 10-12% of the mass of the modified micro rubber powder; heating the emulsified asphalt to 190-;
s3 preparation of a composite mortar matrix: adding modified acrylic emulsion, polyurethane emulsion, organic silicon polymer and alcohol replenisher into the mortar modified matrix according to the mass parts, heating to 60-80 ℃, fully and uniformly stirring, and naturally cooling to room temperature after uniform stirring to obtain a composite mortar matrix;
s4 preparation of composite mortar: adding sodium dodecyl benzene sulfonate, alginate cellulose, polyvinyl alcohol fiber, a water-retaining thickener and a water reducing agent into the composite mortar matrix, uniformly stirring at a high speed, and uniformly mixing to obtain the composite mortar.
The organic silicon polymer comprises octamethylcyclotetrasiloxane and a coupling agent; mixing octamethylcyclotetrasiloxane and coupling agent uniformly, adding deionized water, heating to 80 ℃, and stirring uniformly for later use.
Further, the coupling agent is one or the combination of two of a single alkoxy titanate coupling agent and a single alkoxy pyrophosphate titanate coupling agent.
The invention has the following remarkable beneficial effects:
(1) the invention has wide application, has the materials of modified micro rubber powder, emulsified asphalt, nano carbon black, modified acrylic emulsion and the like, is prepared by utilizing waste rubber, and has the physical and chemical properties of environmental protection and heat preservation; the anti-aging performance of the modified micro rubber powder is improved, and the composite mortar has good water resistance and weather resistance;
(2) the invention also comprises alginate cellulose and polyvinyl alcohol fiber which are randomly distributed in the composite mortar, so that the micro-three-dimensional structure of the solidified composite mortar is enhanced;
(3) the modified micro-rubber powder, the emulsified asphalt, the organic silicon polymer and the polyurethane emulsion enhance the heat preservation performance and the bonding performance of the mortar, form a micro cross-linked network structure and have excellent physical and chemical properties; the rubber powder is treated by microwaves, and sulfur-sulfur bonds and carbon-sulfur bonds on the surfaces of rubber powder molecules are broken and fractured under the radiation effect of the microwaves; promote the fusion of the modified micro rubber powder and the emulsified asphalt, and form a more compact three-dimensional structure with the organic silicon polymer and the polyurethane emulsion.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A composite mortar and a production process thereof,
comprises the following components:
80 parts of cement, 100 parts of yellow river sand, 20 parts of modified micro rubber powder, 5 parts of emulsified asphalt, 1 part of nano carbon black, 5 parts of modified acrylic emulsion, 2 parts of sodium dodecyl benzene sulfonate, 2 parts of alginate cellulose, 2 parts of polyvinyl alcohol fiber, 5 parts of organic silicon polymer, 2 parts of polyurethane emulsion, 1 part of alcohol extender, 2 parts of water retention thickener and 1 part of water reducer.
Wherein the modified micro rubber powder is 100-120 meshes.
Furthermore, the cement in the composite mortar is silicate cement.
Furthermore, the yellow river sand in the composite mortar is 50-100 meshes.
Wherein the alcohol replenisher is 1, 4-butanediol, triethylene glycol or polyethylene glycol.
Wherein the water-retaining thickener is one or a combination of several of hydroxyethyl cellulose, sodium polyacrylate, hydroxypropyl methyl cellulose ether and hydroxyethyl methyl cellulose ether.
Wherein the water reducing agent is a polycarboxylic acid water reducing agent.
The invention relates to a production process of composite mortar, which comprises the following steps:
s1 preparation of modified micro rubber powder: crushing the waste rubber, and sieving the crushed waste rubber through a 100-120-mesh sieve; regenerating the screened micro rubber powder by microwave, adding the nano carbon black after regeneration, and uniformly stirring for later use;
s2 preparation of mortar modified matrix: adding silicone oil into the mixture of the modified micro-rubber powder obtained in the step S1 and the nano carbon black, and uniformly mixing to obtain a rubber matrix; the silicone oil accounts for 10-12% of the mass of the modified micro rubber powder; heating the emulsified asphalt to 190-;
s3 preparation of a composite mortar matrix: adding modified acrylic emulsion, polyurethane emulsion, organic silicon polymer and alcohol supplement into the mortar modified matrix according to the parts by weight, heating to 60-80 ℃, fully and uniformly stirring, and naturally cooling to room temperature after uniformly stirring to obtain a composite mortar matrix;
s4 preparation of composite mortar: adding sodium dodecyl benzene sulfonate, alginate cellulose, polyvinyl alcohol fiber, a water retention thickener and a water reducing agent into the composite mortar matrix, uniformly stirring at a high speed, and uniformly mixing to obtain the composite mortar.
The organic silicon polymer comprises octamethylcyclotetrasiloxane and a coupling agent; mixing octamethylcyclotetrasiloxane and coupling agent uniformly, adding deionized water, heating to 80 ℃, and stirring uniformly for later use; the coupling agent is a monoalkoxy titanate coupling agent.
Tested thermal conductivity (W/(m.K)): 0.21;
crack resistance (J.mm)2×10 -5):15;
Compressive strength (MPa): 27
The performance of the product can be recycled for 1 year without leakage.
Example 2
A composite mortar and a production process thereof,
200 parts of cement, 200 parts of yellow river sand, 30 parts of modified micro-rubber powder, 10 parts of emulsified asphalt, 3 parts of nano carbon black, 8 parts of modified acrylic emulsion, 3 parts of sodium dodecyl benzene sulfonate, 6 parts of alginate cellulose, 6 parts of polyvinyl alcohol fiber, 8 parts of organic silicon polymer, 10 parts of polyurethane emulsion, 2 parts of alcohol extender, 4 parts of water retention thickener and 3 parts of water reducer.
Wherein the modified micro rubber powder is 100-120 meshes.
Furthermore, the cement in the composite mortar is silicate cement.
Furthermore, the yellow river sand in the composite mortar is 50-100 meshes.
Wherein the alcohol replenisher is 1, 4-butanediol, triethylene glycol or polyethylene glycol.
Wherein the water-retaining thickener is one or a combination of several of hydroxyethyl cellulose, sodium polyacrylate, hydroxypropyl methyl cellulose ether and hydroxyethyl methyl cellulose ether.
Wherein the water reducing agent is a polycarboxylic acid water reducing agent.
The invention relates to a production process of composite mortar, which comprises the following steps:
s1 preparation of modified micro rubber powder: crushing the waste rubber, and sieving the crushed waste rubber through a 100-120-mesh sieve; regenerating the screened micro rubber powder by microwave, adding the nano carbon black after regeneration, and uniformly stirring for later use;
s2 preparation of mortar modified matrix: adding silicone oil into the mixture of the modified micro-rubber powder obtained in the step S1 and the nano carbon black, and uniformly mixing to obtain a rubber matrix; the silicone oil accounts for 10-12% of the mass of the modified micro rubber powder; heating emulsified asphalt to 190-;
s3 preparation of a composite mortar matrix: adding modified acrylic emulsion, polyurethane emulsion, organic silicon polymer and alcohol replenisher into the mortar modified matrix according to the mass parts, heating to 60-80 ℃, fully and uniformly stirring, and naturally cooling to room temperature after uniform stirring to obtain a composite mortar matrix;
s4 preparation of composite mortar: adding sodium dodecyl benzene sulfonate, alginate cellulose, polyvinyl alcohol fiber, a water-retaining thickener and a water reducing agent into the composite mortar matrix, uniformly stirring at a high speed, and uniformly mixing to obtain the composite mortar.
The organic silicon polymer comprises octamethylcyclotetrasiloxane and a coupling agent; mixing octamethylcyclotetrasiloxane and coupling agent uniformly, adding deionized water, heating to 80 ℃, and stirring uniformly for later use; the coupling agent is a monoalkoxy titanate coupling agent.
Tested thermal conductivity (W/(m.K)): 0.23;
crack resistance (J.mm)2×10 -5):16;
Compressive strength (MPa): 29
The performance of the product can be recycled for 1 year without leakage.
Example 3
A composite mortar and a production process thereof,
100 parts of cement, 100 parts of yellow river sand, 23 parts of modified micro rubber powder, 7 parts of emulsified asphalt, 1 part of nano carbon black, 6 parts of modified acrylic emulsion, 3 parts of sodium dodecyl benzene sulfonate, 3 parts of alginate cellulose, 3 parts of polyvinyl alcohol fiber, 7 parts of organic silicon polymer, 6 parts of polyurethane emulsion, 1 part of alcohol extender, 3 parts of water retention thickener and 1 part of water reducer.
Wherein the modified micro rubber powder is 100-120 meshes.
Furthermore, the cement in the composite mortar is silicate cement.
Furthermore, the yellow river sand in the composite mortar is 50-100 meshes.
Wherein the alcohol replenisher is 1, 4-butanediol, triethylene glycol or polyethylene glycol.
Wherein the water-retaining thickener is one or a combination of several of hydroxyethyl cellulose, sodium polyacrylate, hydroxypropyl methyl cellulose ether and hydroxyethyl methyl cellulose ether.
Wherein the water reducing agent is a polycarboxylic acid water reducing agent.
The invention relates to a production process of composite mortar, which comprises the following steps:
s1 preparation of modified micro rubber powder: crushing the waste rubber, and sieving the crushed waste rubber through a 100-120-mesh sieve; regenerating the screened micro rubber powder by microwave, adding the nano carbon black after regeneration, and uniformly stirring for later use;
s2 preparation of mortar modified matrix: adding silicone oil into the mixture of the modified micro-rubber powder obtained in the step S1 and the nano carbon black, and uniformly mixing to obtain a rubber matrix; the silicone oil accounts for 10-12% of the mass of the modified micro rubber powder; heating the emulsified asphalt to 190-;
s3 preparation of a composite mortar matrix: adding modified acrylic emulsion, polyurethane emulsion, organic silicon polymer and alcohol supplement into the mortar modified matrix according to the parts by weight, heating to 60-80 ℃, fully and uniformly stirring, and naturally cooling to room temperature after uniformly stirring to obtain a composite mortar matrix;
s4 preparation of composite mortar: adding sodium dodecyl benzene sulfonate, alginate cellulose, polyvinyl alcohol fiber, a water retention thickener and a water reducing agent into the composite mortar matrix, uniformly stirring at a high speed, and uniformly mixing to obtain the composite mortar.
The organic silicon polymer comprises octamethylcyclotetrasiloxane and a coupling agent; mixing octamethylcyclotetrasiloxane and coupling agent uniformly, adding deionized water, heating to 80 ℃, and stirring uniformly for later use; the coupling agent is a monoalkoxy titanate coupling agent.
Tested thermal conductivity (W/(m.K)): 0.20; crack resistance (J.mm)2×10 -5): 17; compressive strength (MPa): 29; the performance of the product can be recycled for 1 year without leakage.

Claims (10)

1. The composite mortar is characterized by comprising the following components: 80-200 parts of cement, 100-200 parts of yellow river sand, 20-30 parts of modified micro rubber powder, 5-10 parts of emulsified asphalt, 1-3 parts of nano carbon black, 5-8 parts of modified acrylic emulsion, 2-3 parts of sodium dodecyl benzene sulfonate, 2-6 parts of alginate cellulose, 2-6 parts of polyvinyl alcohol fiber, 5-8 parts of organic silicon polymer, 2-10 parts of polyurethane emulsion, 1-2 parts of alcohol extender, 2-4 parts of water retention thickener and 1-3 parts of water reducer.
2. The composite mortar of claim 1, wherein: the modified micro rubber powder is 100-120 meshes.
3. The composite mortar of claim 1, wherein: the cement is portland cement.
4. The composite mortar of claim 1, wherein: the yellow river sand is 50-100 meshes.
5. The composite mortar of claim 1, wherein: the alcohol replenisher is 1, 4-butanediol, triethylene glycol or polyethylene glycol.
6. The composite mortar of claim 1, wherein: the water-retaining thickener is one or a combination of more of hydroxyethyl cellulose, sodium polyacrylate, hydroxypropyl methyl cellulose ether and hydroxyethyl methyl cellulose ether.
7. The composite mortar of claim 1, wherein: the water reducing agent is a polycarboxylic acid water reducing agent.
8. The production process of the composite mortar according to claim 1, which is characterized in that: the method comprises the following steps:
s1 preparation of modified micro rubber powder: crushing the waste rubber, and sieving the crushed waste rubber through a 100-120-mesh sieve; regenerating the screened micro rubber powder by microwave, adding nano carbon black after regeneration, and uniformly stirring for later use;
s2 preparation of mortar modified matrix: adding silicone oil into the mixture of the modified micro-rubber powder obtained in the step S1 and the nano carbon black, and uniformly mixing to obtain a rubber matrix; the silicone oil accounts for 10-12% of the mass of the modified micro rubber powder; heating the emulsified asphalt to 190-;
s3 preparation of a composite mortar matrix: adding modified acrylic emulsion, polyurethane emulsion, organic silicon polymer and alcohol supplement into the mortar modified matrix according to the parts by weight, heating to 60-80 ℃, fully and uniformly stirring, and naturally cooling to room temperature after uniformly stirring to obtain a composite mortar matrix;
s4 preparation of composite mortar: adding sodium dodecyl benzene sulfonate, alginate cellulose, polyvinyl alcohol fiber, a water retention thickener and a water reducing agent into the composite mortar matrix, uniformly stirring at a high speed, and uniformly mixing to obtain the composite mortar.
9. The production process of the composite mortar according to claim 1, which is characterized in that: the organosilicon polymer comprises octamethylcyclotetrasiloxane and a coupling agent; mixing octamethylcyclotetrasiloxane and coupling agent uniformly, adding deionized water, heating to 80 ℃, and stirring uniformly for later use.
10. The production process of the composite mortar according to claim 9, characterized by comprising the following steps: the coupling agent is one or the combination of two of a single alkoxy titanate coupling agent and a single alkoxy pyrophosphate titanate coupling agent.
CN202210374998.6A 2022-04-11 2022-04-11 Composite mortar and production process thereof Active CN114685121B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101172823A (en) * 2007-09-30 2008-05-07 江苏博特新材料有限公司 Rubber powder modified concrete asphalt mortar
EP2085367A2 (en) * 2008-02-01 2009-08-05 ALPOL Gips Sp. z o.o. Adhesive mortar especially for shaped clinker bricks
CN103756341A (en) * 2014-01-23 2014-04-30 河南省中元德通新能源科技有限公司 High-toughness waste rubber asphalt and preparation method thereof
CN105331330A (en) * 2015-12-16 2016-02-17 甘肃恒达路桥工程集团有限公司中心试验室 Ultraviolet-resistant bituminous pavement crack filling glue and preparation method thereof
CN107216096A (en) * 2017-07-21 2017-09-29 张娟 A kind of preparation method of enhanced rubber powder modified concrete asphalt mortar
CN107986688A (en) * 2017-11-10 2018-05-04 安徽嘉中金属材料有限公司 A kind of high-strength environmentally friendly concrete composite cement mortar and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101172823A (en) * 2007-09-30 2008-05-07 江苏博特新材料有限公司 Rubber powder modified concrete asphalt mortar
EP2085367A2 (en) * 2008-02-01 2009-08-05 ALPOL Gips Sp. z o.o. Adhesive mortar especially for shaped clinker bricks
CN103756341A (en) * 2014-01-23 2014-04-30 河南省中元德通新能源科技有限公司 High-toughness waste rubber asphalt and preparation method thereof
CN105331330A (en) * 2015-12-16 2016-02-17 甘肃恒达路桥工程集团有限公司中心试验室 Ultraviolet-resistant bituminous pavement crack filling glue and preparation method thereof
CN107216096A (en) * 2017-07-21 2017-09-29 张娟 A kind of preparation method of enhanced rubber powder modified concrete asphalt mortar
CN107986688A (en) * 2017-11-10 2018-05-04 安徽嘉中金属材料有限公司 A kind of high-strength environmentally friendly concrete composite cement mortar and preparation method thereof

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