CN112341054A - Light guide mortar and preparation method thereof - Google Patents

Light guide mortar and preparation method thereof Download PDF

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Publication number
CN112341054A
CN112341054A CN202011251276.9A CN202011251276A CN112341054A CN 112341054 A CN112341054 A CN 112341054A CN 202011251276 A CN202011251276 A CN 202011251276A CN 112341054 A CN112341054 A CN 112341054A
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China
Prior art keywords
mortar
light guide
parts
light
water
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CN202011251276.9A
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Chinese (zh)
Inventor
黄安良
曾永成
张志君
朱益剑
刘梓骏
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Guangzhou Guangfeng Concrete Co ltd
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Guangzhou Guangfeng Concrete Co ltd
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Priority to CN202011251276.9A priority Critical patent/CN112341054A/en
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    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • 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
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/60—Agents for protection against chemical, physical or biological attack
    • C04B2103/61—Corrosion inhibitors
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/0037—Materials containing oriented fillers or elements
    • C04B2111/00379—Materials containing oriented fillers or elements the oriented elements being fibres
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/80—Optical properties, e.g. transparency or reflexibility

Abstract

The application relates to the field of mortar, and particularly discloses light guide mortar and a preparation method thereof. The light guide mortar comprises phosphine butane tricarboxylic acid, hydroxypropyl methyl cellulose ether, a light guide material, sand, cement and water. The preparation method of the light guide mortar comprises the following steps: step 1), adding phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether into water, heating to 50-60 ℃, and uniformly mixing to obtain a first mixture; step 2), adding the first mixture and sand into cement, and uniformly mixing to obtain mortar; and 3), taking the light guide material, parallelly implanting the light guide material into mortar, and then pouring, maintaining, cutting, polishing and forming to obtain a light guide mortar formed part. The light guide mortar can improve the waterproof performance and the anti-permeability performance of the light guide mortar, and prolong the service life of a light guide material. The preparation method can simplify the manufacturing process of the light guide mortar, improve the implantation method of the light transmission material, and enlarge the propagation range and the engineering application.

Description

Light guide mortar and preparation method thereof
Technical Field
The application relates to the field of mortar, in particular to light guide mortar and a preparation method thereof.
Background
With the progress of society and the development of science and technology, people do not limit mortar to meet the basic functional requirements of simple building materials, but put forward higher-level requirements on environmental protection, energy conservation and artistic aesthetics. Among them, light guide mortar is more and more favored by people.
At present, a light guide mortar forming part is made by embedding a large number of optical fibers or resin into a cement-based material matrix in a certain spatial arrangement and combination mode, and the light guide mortar forming part is placed in front of a light source, so that the light can be transmitted from the side surface of the light guide mortar forming part through the optical fibers or the resin to realize the light guide function. The application fields of the method include architectural design, interior decoration, industrial products, urban landscapes and the like.
However, in a pool, a pier, a harbor, a dam, etc., the light guide mortar molded product has low water-proof and anti-seepage properties, and moisture is easily permeated into the inside of the light guide mortar molded product, and the light guide material in the inside of the light guide mortar is corroded by the moisture permeated into the light guide mortar molded product, so that the existence and migration of the moisture are important causes for destroying the performance of the light guide mortar molded product and the masonry structure. Generally, the waterproof and anti-permeability effect is achieved by coating a waterproof coating on the surface of a light guide mortar molded part, and the waterproof coating is easy to damage and lose efficacy after long-time water wave washing, so that the waterproof time is short.
In view of the above-mentioned related technologies, the inventors believe that when the surface coating of the light guide mortar molded part is damaged, the light guide material inside the light guide mortar molded part is easily corroded by water, so that the light guide material is easily mildewed and aged and has poor durability, thereby reducing the light guide property of the light guide material and shortening the service life of the light guide material.
Disclosure of Invention
In order to improve the waterproof performance and the impermeability of the light guide mortar, the application provides the light guide mortar and a preparation method thereof.
First aspect, the application provides a leaded light mortar adopts following technical scheme:
the light guide mortar is prepared from the following raw materials in parts by mass:
35-50 parts of phosphine butane tricarboxylic acid;
25-30 parts of hydroxypropyl methyl cellulose ether;
20-25 parts of a light guide material;
50-250 parts of sand;
cement 100-400 parts;
150 portions of water and 250 portions of water.
Through adopting above-mentioned technical scheme, phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether cooperate with specific proportion, increase the compactedness between the cement interface, reduce the inside hole of leaded light mortar, slow down the infiltration of moisture, make leaded light mortar have very strong waterproof nature and impermeability, thereby water is difficult for contacting with the inside leaded light material of leaded light mortar, make leaded light material's leaded light nature be difficult to be destroyed by external moisture, extension leaded light material's life.
By adding phosphinobutanetricarboxylic acid, since phosphinobutanetricarboxylic acid is associated with Ca2+、Zn2+、Cu2+、Mg2+The plasma has excellent complexing ability, and the light guide mortar has better scale inhibition performance.
By adding the hydroxypropyl methyl cellulose ether, the dispersibility of cement and sand can be improved, the plasticity of the mortar is greatly improved, a certain effect on preventing cracks is achieved, and the strength of the cement can be enhanced.
Through adding leaded light material, can propagate light, light conductivity is strong and stable, through adjustment leaded light material's mixing volume and spatial arrangement mode, gives and constructs changeable molding and agile color, can reach good artistic effect and building energy-conservation.
Preferably, the light guide mortar comprises the following components in parts by mass:
40-42 parts of phosphine butane tricarboxylic acid;
26-28 parts of hydroxypropyl methyl cellulose ether;
22-24 parts of light guide material;
230 portions of sand and 235 portions of sand;
cement 105 and 110;
220 portions of water and 225 portions of water.
Through adopting above-mentioned technical scheme, each component can make the inside hole of leaded light mortar littleer with the cooperation of specific proportion, further slows down the infiltration of moisture to make the waterproof of leaded light mortar, impervious performance better.
Preferably, the light guide mortar further comprises the following components in parts by mass:
5-10 parts of corrosion resistant agent.
By adopting the technical scheme, the corrosion-resistant agent can prevent the surface of the light guide mortar from being corroded by salt ions to generate pores and micro cracks, so that the compactness of the light guide mortar is maintained, the light guide mortar is prevented from seeping, the waterproof and anti-seepage functions of the light guide mortar are further enhanced, the waterproof time of the light guide mortar is prolonged, and the light guide material in the light guide mortar is protected from being corroded by water.
Preferably, the corrosion-resistant agent comprises the following components in parts by mass:
2.5-5 parts of milk sodium polymethacrylate;
2.5-5 parts of polyoxyethylene allyl ester.
By adopting the technical scheme, the emulsion sodium polymethacrylate is matched with the polyoxyethylene allyl ester, so that the cement is not easily corroded by salt ions in water, the light guide mortar has excellent salt ion corrosion resistance, and the service life of the light guide material is further prolonged.
Preferably, the corrosion-resistant agent comprises the following components in parts by mass:
3-4 parts of milk sodium polymethacrylate;
3-4 parts of polyoxyethylene allyl ester.
By adopting the technical scheme, the emulsion sodium polymethacrylate and the polyoxyethylene allyl ester are matched in a specific proportion, so that the action of salt ions in cement and water can be slowed down, the surface of the light guide mortar forming part is slowed down to be dissolved and washed away by the salt solution of the surrounding environment, the capability of resisting the corrosion and damage of the salt ions in the surrounding environment is further improved, the waterproof and anti-permeability performance of the light guide mortar is better, and the light guide material in the light guide mortar is protected.
Preferably, the light guide mortar further comprises the following components in parts by mass:
5-7 parts of alpha-ethyl cyanoacrylate.
By adopting the technical scheme, the alpha-ethyl cyanoacrylate is matched with the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether in a specific proportion, so that non-communicated bubbles are generated inside the light guide mortar, the capillary channel is cut off, the pore structure is changed, and the waterproof and anti-permeability performance of the light guide mortar is improved.
Preferably, the light guide mortar further comprises the following components in parts by mass:
20-30 parts of ethoxylated sodium alkyl sulfate.
By adopting the technical scheme, the ethoxylated alkyl sodium sulfate, the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are matched in a specific proportion and densely distributed in the light guide mortar to block a capillary channel of the light guide mortar, so that the light guide mortar has hydrophobicity, the waterproof and anti-permeability capability of the light guide mortar is further enhanced, the condition that the light guide material in the light guide mortar is corroded by moisture is relieved, and the service life of the light guide material is further prolonged.
In a second aspect, the present application provides a method for preparing light guide mortar, which adopts the following technical scheme:
a preparation method of light guide mortar comprises the following steps:
step 1), adding phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether into water, heating to 50-60 ℃, and uniformly mixing to obtain a first mixture;
step 2), adding the first mixture and sand into cement, and uniformly mixing to obtain mortar;
and 3), taking the light guide material, parallelly implanting the light guide material into mortar, and then pouring, maintaining, cutting, polishing and molding to obtain a light guide mortar molded part.
By adopting the technical scheme, the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are heated and mixed, so that the fluidity of each component is improved, and the components are more uniformly mixed and distributed. The light guide material is implanted into the mortar in parallel, so that the light guide material is uniformly distributed, the manufacturing procedure of the light guide mortar is simplified, and the propagation range and the engineering application are enlarged.
Preferably, in the step 1), the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are added into the water, then the milk sodium polymethacrylate, the polyoxyethylene allyl ester, the alpha-cyano ethyl acrylate and the ethoxylated alkyl sodium sulfate are added, and then the mixture is heated to 50-60 ℃.
By adopting the technical scheme, the components are uniformly mixed, so that the effect of the components in the light guide mortar is more balanced.
Preferably, in the step 1), the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are added into water, heated to 55-57 ℃, and uniformly mixed to obtain a first mixture.
By adopting the technical scheme, the phosphine butane tricarboxylic acid, the hydroxypropyl methyl cellulose ether and water are heated to 55-57 ℃, so that the dispersing effect of the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether in the water is better.
In summary, the present application has the following beneficial effects:
1. because this application adopts phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether with specific proportion cooperation, can slow down the infiltration of moisture for the leaded light mortar has very strong waterproof nature and impermeability, and the leaded light nature of the inside leaded light material of leaded light mortar is difficult to be destroyed by external moisture, prolongs leaded light material's life.
2. In the application, the alpha-ethyl cyanoacrylate, the phosphonobutane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are preferably adopted to be matched in a specific proportion, so that non-communicated bubbles are generated inside the light guide mortar, capillary channel channels are cut off, and the pore structure is changed, so that the waterproof and anti-permeability performance of the concrete is improved.
3. In the application, the ethoxylated alkyl sodium sulfate, the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are preferably adopted to be matched in a specific proportion, so that the light guide mortar has hydrophobicity, the diffusion effect of water in the mortar is delayed, the waterproof and anti-permeability capability of the light guide mortar is further enhanced, the condition that the light guide material in the light guide mortar is corroded by moisture is slowed down, and the service life of the light guide material is further prolonged.
4. Preferably adopt milk sodium polymethacrylate and polyoxyethylene allyl ester cooperation in this application, can slow down cement and aquatic salt ion effect, make leaded light mortar surface be difficult for the easy salt ion to corrode and produce capillary and tiny crackle, thereby keep leaded light mortar's compactedness, make leaded light mortar be difficult for the infiltration, further strengthen leaded light mortar's waterproof, impervious function, the waterproof time of extension leaded light mortar, then the difficult water corrosion of leaded light material in the protection leaded light mortar.
Detailed Description
The present application will be described in further detail with reference to examples.
The information on the source of each raw material component in the following examples and comparative examples is shown in Table 1.
TABLE 1
Figure BDA0002771683410000071
Figure BDA0002771683410000081
Examples 1 to 5: the light guide mortar is prepared from the following raw materials in parts by weight:
light guide material, phosphine butane tricarboxylic acid, hydroxypropyl methyl cellulose ether, sand, cement and water.
The light guide material is light guide fiber.
In examples 1 to 5, the amounts (in Kg) of the components added are specified in Table 2.
TABLE 2
Figure BDA0002771683410000082
The preparation method of the light guide mortar of embodiments 1 to 5 includes the following steps:
step 1), adding phosphine butane tricarboxylic acid, hydroxypropyl methyl cellulose ether and water into a mortar stirrer, heating to 56 ℃, rotating at a speed of 200r/min, and continuously stirring for 10min to obtain a first mixture;
step 2), adding cement and sand into the first mixture in a mortar mixer at a rotation speed of 200r/min, and continuously stirring for 15min to obtain mortar;
and 3) pouring a layer of mortar at the bottom of the mold in advance, paving the light guide material on the mortar in parallel, wherein the interval between the light guide materials is 2mm, then pouring a layer of mortar on a panel of the light guide material, paving the light guide material after trowelling, repeatedly pouring and paving until the whole mold is paved, maintaining for 15 days, cutting and polishing the mortar distributed in the light guide material, wherein the cutting direction of the mortar is perpendicular to the light guide direction of the light guide material, and polishing a finished product to expose light spots of the light guide material to obtain a light guide mortar molded part.
Example 6
A light directing mortar, which differs from example 3 only in that:
in the step 1), the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are taken and added into a mortar stirrer together with water, and the mixture is heated to 50 ℃.
Example 7
A light directing mortar, which differs from example 3 only in that:
in the step 1), the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are taken and added into a mortar stirrer together with water, and the mixture is heated to 60 ℃.
Example 8
A light directing mortar, which differs from example 3 only in that:
in the step 1), the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are taken and added into a mortar stirrer together with water, and the mixture is heated to 55 ℃.
Example 9
A light directing mortar, which differs from example 3 only in that:
in the step 1), the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are taken and added into a mortar stirrer together with water, and the mixture is heated to 57 ℃.
Examples 10 to 12
A light directing mortar, which differs from example 3 only in that:
the component for preparing the light guide mortar also comprises alpha-ethyl cyanoacrylate.
In examples 10 to 12, the amounts (in Kg) of the respective components charged are specified in Table 3.
TABLE 3
Example 10 Example 11 Example 12
alpha-Cyanoacrylic acid ethyl ester 5 6 7
The alpha-ethyl cyanoacrylate is added into the mortar stirrer after the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are added in the step 1).
Examples 13 to 15
A light directing mortar, which differs from example 3 only in that:
the light guide mortar is prepared from the following components of ethoxylated sodium alkyl sulfate.
In examples 13-15, the amounts (in Kg) of the ingredients added are specified in Table 4.
TABLE 4
Example 13 Example 14 Example 15
Ethoxylated alkyl sodium sulfate 20 25 30
Ethoxylated sodium alkyl sulfate the phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether are added in step 1) and then added into a mortar mixer.
Examples 16 to 20
A light directing mortar, which differs from example 3 only in that:
the components for preparing the light guide mortar also comprise corrosion resistant agents.
The corrosion-resistant agent is the compound of lacto-poly-sodium methacrylate and polyoxyethylene allyl ester.
In examples 16 to 20, the amounts (in Kg) of the components added are specified in Table 5.
TABLE 5
Figure BDA0002771683410000111
Adding the sodium polymethacrylate and the polypropylene fiber into the mortar stirrer after adding the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether in the step 1).
Comparative example 1
Compared with example 3, the difference is only that:
in the step 1), phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether are not added.
Comparative example 2
Compared with example 3, the difference is only that:
in step 1), phosphine butane tricarboxylic acid is not added.
Comparative example 3
Compared with example 3, the difference is only that:
in step 1), hydroxypropyl methylcellulose ether is not added.
Experiment 1
The light guide mortar molded test pieces prepared in the examples and comparative examples were molded and maintained according to JGJ/T70-2009 "standard for basic performance test method for building mortar", and the test pieces were taken out on day 28 and subjected to a water absorption test. Calculating the water absorption W of the mortarZ＝(m1-m2)/m2Wherein W isZIs the water absorption (%) of the mortar, m2The mass (g) of the test piece after washing, m1The mass (g) of the dried test piece was obtained.
Experiment 2
The light guide mortar molded test pieces prepared in the examples and comparative examples were subjected to impermeability tests according to JGJ/T70-2009 Standard test method for basic Performance of building mortar. And calculating the impervious pressure value P which is H-0.1 according to the maximum pressure when 4 test pieces in each group of 6 test pieces are not infiltrated, wherein P is the impervious pressure value (MPa) of the mortar forming part, and H is the water pressure (MPa) when 3 test pieces in each group of 6 test pieces are infiltrated.
Experiment 3
The light guide mortar molded test pieces prepared in the examples and the comparative examples were subjected to a sulfate corrosion resistance test according to GB/T50082-2009 Standard test method for Long-term Performance and durability of ordinary concrete. And (3) taking 5 groups of light guide mortar forming test pieces for testing, wherein each group adopts 3 mortar forming test pieces, and the size of each mortar forming test piece is 100mm x 100 mm. When the compressive strength and corrosion resistance coefficient is lower than 75 percent or the dry-wet cycle number reaches 150 times, the test can be stopped. Calculating the strength corrosion resistance coefficient: kf＝[(f0-fn)/fn]*100. In the formula KfIs the strength corrosion resistance coefficient (%), (f)nThe average value (MPa) of the compressive strength f of a group of light guide mortar molding test pieces corroded by sulfate after N times of circulation0The compressive strength average value (MPa) of a group of comparative light guide mortar molding test pieces oxidized with the standard test piece in the same age period corroded by sulfate is shown.
The assay data for experiments 1-3 are detailed in Table 6.
TABLE 6
Figure BDA0002771683410000131
Figure BDA0002771683410000141
According to the comparison of the data of comparative example 2 and comparative example 1 in table 6, the water absorption rate and the mortar impermeability pressure value of the mortar are not obviously changed by adding the hydroxypropyl methyl cellulose ether, which proves that the hydroxypropyl methyl cellulose ether has no obvious influence on the waterproof performance and impermeability performance of the light guide mortar molded part.
According to the comparison of the data of comparative example 3 and comparative example 1 in table 6, the water absorption and the mortar impermeability pressure value of the mortar are not significantly changed by adding the phosphine butane tricarboxylic acid, which proves that the phosphine butane tricarboxylic acid has no significant influence on the waterproof performance and impermeability performance of the light guide mortar molded part.
According to the comparison of the data of the example 3 and the comparative example 1 in table 6, the water absorption of the mortar is significantly reduced and the anti-permeability pressure value of the mortar is significantly increased by adding the hydroxypropyl methyl cellulose ether and the fosutane tricarboxylic acid, which proves that the waterproof performance and the anti-permeability performance of the light guide mortar molded part are significantly enhanced by the combination of the hydroxypropyl methyl cellulose ether and the fosutane tricarboxylic acid, the light guide material in the light guide mortar molded part is not easily contacted with the external moisture, and the light guide performance of the light guide material is not easily reduced due to moisture corrosion, so that the service life of the light guide.
According to the comparison of the data of the examples 10 to 12 and the example 3 in the table 6, the water absorption of the mortar is further reduced and the anti-permeability pressure value of the mortar is further increased by adding the alpha-ethyl cyanoacrylate to the hydroxypropyl methyl cellulose ether and the phosphinobutane tricarboxylic acid, and the results prove that the alpha-ethyl cyanoacrylate, the hydroxypropyl methyl cellulose ether and the phosphinobutane tricarboxylic acid can better exert the functions by matching the alpha-ethyl cyanoacrylate, the hydroxypropyl methyl cellulose ether and the phosphinobutane tricarboxylic acid in a specific proportion, the waterproof performance and the anti-permeability performance of the molded part of the light guide mortar are further improved, and the service life of the light guide material.
As can be seen from comparison of the data in examples 13 to 15 and example 3 in table 6, when the ethoxylated sodium alkyl sulfate is added to cooperate with the hydroxypropyl methyl cellulose ether and the phosphonobutane tricarboxylic acid, the water absorption of the mortar is further reduced, and the anti-permeation pressure value of the mortar is further increased, which proves that the water resistance and the anti-permeation performance of the light guide mortar molded part are further enhanced by cooperating with the ethoxylated sodium alkyl sulfate, the hydroxypropyl methyl cellulose ether and the phosphonobutane tricarboxylic acid, so that the contact between the light guide material and water is further reduced, the possibility of the light guide material being reduced in light guide performance due to water corrosion is reduced, and the service life of the light guide material is further prolonged.
According to comparison of data of examples 16-20 and example 3 in table 6, the addition of the milk sodium polymethacrylate and the polyoxyethylene allyl ester in a specific ratio significantly improves the strength corrosion resistance coefficient, and can enhance the sulfate corrosion resistance of the light guide mortar molded part, which proves that the matching of the milk sodium polymethacrylate and the polyoxyethylene allyl ester can prevent the light guide mortar molded part from being corroded by salts, thereby protecting the light guide material of the light guide mortar molded part.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (10)

1. The light guide mortar is characterized in that: the light guide mortar is prepared from the following raw materials in parts by mass:
35-50 parts of phosphine butane tricarboxylic acid;
25-30 parts of hydroxypropyl methyl cellulose ether;
20-25 parts of a light guide material;
50-250 parts of sand;
cement 100-400 parts;
150 portions of water and 250 portions of water.
2. A light-directing mortar as claimed in claim 1, wherein: the light guide mortar comprises the following raw materials in parts by mass:
40-42 parts of phosphine butane tricarboxylic acid;
26-28 parts of hydroxypropyl methyl cellulose ether;
22-24 parts of light guide material;
230 portions of sand and 235 portions of sand;
cement 105 and 110;
220 portions of water and 225 portions of water.
3. A light-directing mortar as claimed in claim 1, wherein: the light guide mortar also comprises the following components in parts by mass:
5-10 parts of corrosion resistant agent.
4. A light-directing mortar as claimed in claim 3, wherein: the corrosion-resistant agent comprises the following components in parts by mass:
2.5-5 parts of milk sodium polymethacrylate;
2.5-5 parts of polyoxyethylene allyl ester.
5. A light-directing mortar as claimed in claim 4, wherein: the corrosion-resistant agent comprises the following components in parts by mass:
3-4 parts of milk sodium polymethacrylate;
3-4 parts of polyoxyethylene allyl ester.
6. A light-directing mortar as claimed in claim 6, wherein: the light guide mortar also comprises the following components in parts by mass:
5-7 parts of alpha-ethyl cyanoacrylate.
7. A light-directing mortar as claimed in claim 1, wherein: the light guide mortar also comprises the following components in parts by mass:
20-30 parts of ethoxylated sodium alkyl sulfate.
8. The preparation method of light guide mortar according to claim 1, characterized by comprising the following steps: the method comprises the following steps:
step 1), adding phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether into water, heating to 50-60 ℃, and uniformly mixing to obtain a first mixture;
step 2), adding the first mixture and sand into cement, and uniformly mixing to obtain mortar;
and 3), taking the light guide material, parallelly implanting the light guide material into mortar, and then pouring, maintaining, cutting, polishing and molding to obtain a light guide mortar molded part.
9. The preparation method of light guide mortar according to claim 8, wherein the preparation method comprises the following steps: in the step 1), phosphine butane tricarboxylic acid and hydroxypropyl methyl cellulose ether are added into water, then milk sodium polymethacrylate, polyoxyethylene allyl ester, alpha-ethyl cyanoacrylate and ethoxylated alkyl sodium sulfate are added, and then the mixture is heated to 50-60 ℃.
10. The preparation method of light guide mortar according to claim 8, wherein the preparation method comprises the following steps: in the step 1), the phosphine butane tricarboxylic acid and the hydroxypropyl methyl cellulose ether are added into water, heated to 55-57 ℃, and uniformly mixed to obtain a first mixture.
CN202011251276.9A 2020-11-11 2020-11-11 Light guide mortar and preparation method thereof Pending CN112341054A (en)

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Application publication date: 20210209