CN117067357A - Preparation method of heat insulation material - Google Patents
Preparation method of heat insulation material Download PDFInfo
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- CN117067357A CN117067357A CN202311097720.XA CN202311097720A CN117067357A CN 117067357 A CN117067357 A CN 117067357A CN 202311097720 A CN202311097720 A CN 202311097720A CN 117067357 A CN117067357 A CN 117067357A
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- 239000012774 insulation material Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 123
- 239000012764 mineral filler Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000010451 perlite Substances 0.000 claims abstract description 7
- 235000019362 perlite Nutrition 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 7
- 239000010455 vermiculite Substances 0.000 claims abstract description 7
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 6
- 239000004917 carbon fiber Substances 0.000 claims abstract description 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 239000011230 binding agent Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000003063 flame retardant Substances 0.000 claims description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000001723 curing Methods 0.000 claims description 11
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000012805 post-processing Methods 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000002940 repellent Effects 0.000 claims 3
- 239000005871 repellent Substances 0.000 claims 3
- 238000000748 compression moulding Methods 0.000 claims 1
- 239000012779 reinforcing material Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 14
- 238000002474 experimental method Methods 0.000 description 21
- 238000009740 moulding (composite fabrication) Methods 0.000 description 8
- 238000004321 preservation Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
-
- 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
Abstract
The application discloses a preparation method of a thermal insulation material, which relates to the technical field of thermal insulation materials, wherein mineral fillers comprise expanded perlite or expanded vermiculite so as to increase the light weight and thermal insulation effect of wall materials, fiber reinforced materials comprise glass fibers or carbon fibers, the strength and toughness of the materials can be increased, equipment is driven to vibrate through the existing vibration equipment in the forming process, the materials are ensured to fully fill a mold, the compactness of the materials is improved, and the manufactured thermal insulation material is light in weight, high in strength, environment-friendly in use amount, has thermal insulation effect and can be widely applied to wall materials of various walls.
Description
Technical Field
The application relates to the technical field of heat preservation materials, in particular to a preparation method of a heat preservation material.
Background
The thermal insulation material generally refers to a material having a thermal coefficient of less than or equal to 0.12. The heat preservation material is developed quickly, and good heat preservation technology and materials are adopted in industry and construction, so that the effect of twice the effort can be achieved. The polyphenyl board has the advantages of low cost, low heat conductivity, small water absorption, good electrical insulation performance, sound insulation, shock resistance, moisture resistance, simple molding process and the like, and is widely used as a heat insulation, sound insulation and shock resistance material for buildings, ships, automobiles, trains, refrigeration, freezing and the like.
The polystyrene foam plastic plate with the closed-cell structure, which is prepared by heating expandable polystyrene beads and then heating and forming in a mould, is prepared from raw materials through prefoaming, curing, forming, drying and cutting, has simple preparation process, and the heat insulation material is more pursued for heat insulation performance and strength, and has higher requirements for heat insulation performance and material strength, so that the heat insulation effect and strength of the prepared polystyrene plate are improved.
Disclosure of Invention
In order to solve the technical problems in the background art, the application provides a preparation method of a heat insulation material, so as to improve the heat insulation effect and the material strength of the heat insulation material.
The application provides a preparation method of a heat preservation material, which comprises the following steps:
s1, preparing materials: preparing required materials, wherein the required materials comprise 30-35 parts by mass of polyphenyl particles, 3-8 parts by mass of fiber reinforced materials, 8-12 parts by mass of mineral fillers, 8-12 parts by mass of binders, 3-5 parts by mass of flame retardants and 3-5 parts by mass of waterproof agents;
s2, pretreatment of materials: cutting the fiber reinforced material, and grinding and sieving the granularity of the mineral filler;
s3, mixing raw materials: mixing the required materials together according to a predetermined formula proportion;
s4, adding a binder: gradually adding the binder to the mixture of materials while stirring sufficiently to ensure that the binder is uniformly dispersed throughout the mixture;
s5, adjusting the water content: adjusting the water content to obtain proper working performance according to the conditions of the binder and other materials;
too little moisture can cause the material to be difficult to mix and shape, while too much moisture can affect the strength and stability of the material;
increasing the water quantity: if the materials are difficult to mix or dry, a proper amount of water can be gradually added, and the materials are mixed by stirring continuously. The flowability of the material is improved by increasing the water quantity, so that the material can be fully mixed and molded;
reducing the water quantity: if the material is too wet or too watery, it may affect the strength, stability and drying time of the material, in which case the amount of water added may be gradually reduced, carefully controlled to avoid causing the material to be difficult to form and lose strength;
s6, molding and pressing: transferring the mixture into a mold or a preparation device, and molding;
s7, curing and drying: after molding, curing and drying;
depending on the type of binder used, appropriate curing and drying steps may be required, which aid in hardening and increasing the strength of the material;
s8, post-processing: cutting and trimming the prepared wall material, and then sequentially applying a flame retardant and a waterproof agent.
Preferably, in S1, the mineral filler comprises expanded perlite or expanded vermiculite to increase the lightness and thermal insulation effect of the wall material;
the flame retardant comprises chlorinated steel and aluminum hydroxide, so that the flame retardant property of the wall material can be improved, and the fire risk is reduced;
the waterproof agent comprises silicate or polymer waterproof agent, which can improve the waterproof capability of wall materials and prevent water penetration and damage;
the fiber reinforced material comprises glass fiber or carbon fiber, and can increase the strength and toughness of the material. The fiber reinforced material is added into the formula, so that the overall strength of the wall material can be improved.
Preferably, in S2, the mineral filler has a particle size of 0.038mm to 0.070mm, which is achievable with an MTW European mill.
Preferably, in S3, a stirring device or mixer is used to ensure uniform mixing of the materials.
Preferably, in S3, the material comprises polyphenyl particles, fiber reinforcement and mineral fillers.
Preferably, in S4, the binder is an environment-friendly binder.
Preferably, in S6, a molding method of spraying, injection molding, extrusion or pressing may be selected as needed.
Preferably, in S6, the device is driven to vibrate by the existing vibration device during the molding process, and in order to ensure that the material fills the mold sufficiently, the densification degree of the material is improved by appropriate pressure or vibration.
1. According to the preparation method of the heat-insulating material, the mineral filler comprises the expanded perlite or the expanded vermiculite so as to increase the light weight and the heat-insulating effect of the wall material, the fiber reinforced material comprises the glass fiber or the carbon fiber, the strength and the toughness of the material can be increased, the equipment is driven to vibrate through the existing vibration equipment in the forming process, the material is ensured to fully fill the mould, the compactness of the material is improved, and the prepared heat-insulating material is light in weight, high in strength and environment-friendly in dosage, has the heat-insulating effect, and can be widely applied to wall materials of various walls.
2. According to the preparation method of the heat-insulating material, the flame retardant and the waterproof agent are arranged, so that the heat-insulating material produced by the method has flame retardant and waterproof effects, and can be widely applied to wall materials of various walls.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
FIG. 1 is a statistical chart of data from experiment one of the present application;
FIG. 2 is a statistical plot of the data of experiment two of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Embodiment one:
the preparation method of the heat insulation material comprises the following steps:
s1, preparing materials: preparing required materials, wherein the required materials comprise 30-35 parts by mass of polyphenyl particles, 3-8 parts by mass of fiber reinforced materials, 8-12 parts by mass of mineral fillers, 8-12 parts by mass of binders, 3-5 parts by mass of flame retardants and 3-5 parts by mass of waterproof agents;
in S1, mineral filler comprises expanded perlite or expanded vermiculite so as to increase the light weight and heat preservation effect of the wall material;
the flame retardant comprises chlorinated steel and aluminum hydroxide, so that the flame retardant property of the wall material can be improved, and the fire risk is reduced;
the waterproof agent comprises silicate or polymer waterproof agent, which can improve the waterproof capability of wall materials and prevent water penetration and damage;
the fiber reinforced material comprises glass fiber or carbon fiber, and can increase the strength and toughness of the material. The fiber reinforced material is added into the formula, so that the overall strength of the wall material can be improved;
s2, pretreatment of materials: cutting the fiber reinforced material, and grinding and sieving the granularity of the mineral filler;
in S2, the granularity of the mineral filler is 0.038mm-0.070mm, and the mineral filler can be ground by an MTW European pulverizer.
S3, mixing raw materials: the required materials are mixed together according to the predetermined formulation proportion.
S3, using stirring equipment or a mixer to ensure uniform mixing of materials;
in S3, the materials comprise 30-35 parts by mass of polyphenyl particles, 3-8 parts by mass of fiber reinforced materials and 8-12 parts by mass of mineral fillers.
S4, adding a binder: gradually adding the binder to the mixture of materials while stirring sufficiently to ensure that the binder is uniformly dispersed throughout the mixture;
s4, the adhesive is an environment-friendly adhesive,
s5, adjusting the water content: the water content is adjusted to obtain proper working properties depending on the binder and other materials.
Too little moisture can cause the material to be difficult to mix and shape, while too much moisture can affect the strength and stability of the material;
increasing the water quantity: if the material is difficult to mix or if it is dry, the proper amount of moisture may be gradually increased. The water is gradually added and the mixture is continuously stirred. Improving flowability of materials by increasing water content helps ensure adequate mixing and shaping of materials
Reducing the water quantity: if the material is too wet or too watery, it may affect the strength, stability and drying time of the material. In this case, the addition amount of water may be gradually reduced. The addition of moisture is carefully controlled to avoid causing the material to be difficult to form and lose strength.
S6, molding and pressing: the mixture is transferred to a mold or a manufacturing apparatus and shaped.
In S6, a forming method of spraying, injection molding, extrusion or pressing can be selected according to the requirement.
S6, driving equipment to vibrate through existing vibration equipment in the molding process, and improving the compactness of the material through proper pressure or vibration in order to ensure that the material fully fills the mold;
s7, curing and drying: after molding, the steps of curing and drying are carried out
Appropriate curing and drying steps are required. This contributes to hardening of the material and increases strength;
s8, post-processing: cutting and trimming the prepared wall material, and then sequentially applying a flame retardant and a waterproof agent.
Embodiment two:
the preparation method of the heat insulation material comprises the following steps:
in contrast, cement is used as a binder, and for this purpose, the fiber-reinforced material is replaced with paper pulp, and the paper pulp is cellulose fiber, so that the thermal resistance of the material can be increased, certain strength and toughness are provided, and the heat insulation performance and durability of the material can be improved by mixing the paper pulp with polyphenyl particles.
S1, preparing materials: preparing required materials, including 8-12 parts by mass of cement, 30-35 parts by mass of polyphenyl particles, 3-8 parts by mass of paper pulp, 8-12 parts by mass of mineral filler, 8-12 parts by mass of flame retardant and 3-5 parts by mass of waterproof agent;
mineral fillers include expanded perlite or expanded vermiculite to increase the lightness and thermal insulation of the wall material;
the flame retardant comprises chlorinated steel and aluminum hydroxide, so that the flame retardant property of the wall material can be improved, and the fire risk is reduced;
the waterproof agent comprises silicate or polymer waterproof agent, which can improve the waterproof capability of wall materials and prevent water penetration and damage.
S2, pretreatment of materials: cutting the fiber reinforced material, and grinding and sieving the granularity of the mineral filler;
in S2, the granularity of the mineral filler is 0.038mm-0.070mm, and the MTW European pulverizer can be realized.
S3, mixing raw materials: the required materials are mixed together according to the predetermined formulation proportion.
S3, using stirring equipment or a mixer to ensure uniform mixing of materials;
in S3, the material comprises 30-35 parts by mass of polyphenyl particles, 3-8 parts by mass of paper pulp and 8-12 parts by mass of mineral filler.
S4, adding a binder: gradually adding 8-12 parts by mass of cement to the material mixture while sufficiently stirring to ensure that the binder is uniformly dispersed throughout the mixture;
s5, adjusting the water content: the water content is adjusted to obtain proper working properties depending on the binder and other materials.
Too little moisture can cause the material to be difficult to mix and shape, while too much moisture can affect the strength and stability of the material;
s6, molding and pressing: the mixture is transferred to a mold or a manufacturing apparatus and shaped.
In S6, a forming method of spraying, injection molding, extrusion or pressing can be selected according to the requirement.
S6, in order to ensure that the material fully fills the mould, the compaction degree of the material is improved through proper pressure or vibration;
s7, curing and drying: after forming, a curing and drying step is performed, which aids in hardening and increasing the strength of the material;
s8, post-processing: cutting and trimming the prepared wall material, and then sequentially applying a flame retardant and a waterproof agent.
According to the preparation method of the heat-insulating material, the mineral filler comprises expanded perlite or expanded vermiculite so as to increase the light weight and heat-insulating effect of the wall material, the fiber reinforced material comprises glass fiber or carbon fiber, the strength and toughness of the material can be increased, equipment is driven to vibrate through the existing vibration equipment in the forming process, the material is ensured to fully fill the mould, the compactness of the material is improved, the prepared heat-insulating material is light in weight, high in strength and environment-friendly in use amount, the heat-insulating effect is achieved, and the flame retardant and waterproof agent are arranged, so that the heat-insulating material produced by the method has flame-retardant and waterproof effects and can be widely applied to wall materials of various walls.
Comparison experiment:
experiment one
In a laboratory, three polystyrene boards were taken as control 1, control 2 and control 3 for the control group;
the experimental group is: three batches of plate members were produced according to the method of example one, as experiment 1, experiment 2 and experiment 3 of the experimental group, three batches of plate members were produced according to the method of example two, as experiment 4, experiment 5 and experiment 6 of the experimental group, and property determination of the insulation board was performed;
directly carrying out compressive strength test on the plate bodies of the control group and the experimental group to obtain experimental data as shown in figure 1;
as can be seen from fig. 1, the compressive strength of the insulation material produced by the present application is about 600, generally higher than about 500 of the control group, while the compressive strength of the insulation material produced by the present application is higher in comparison with the first and second embodiments, the compressive strength of the insulation material produced by the method according to the first embodiment is higher, and the compressive strength of the insulation material produced by the method according to the second embodiment is more stable because there are two groups of lower-than-average values.
Experiment two
In a laboratory, taking the existing polystyrene board to make a detachable sealing box to form a sealing space, putting a digital display temperature detector into the sealing space, and sequentially making three groups of the digital display temperature detectors as a control group of control 1, control 2 and control 3;
the experimental group is: three batches of plates were produced according to the method of example one, as experiment 1, experiment 2 and experiment 3 of the experiment group, and three batches of plates were produced according to the method of example two, as experiment 4, experiment 5 and experiment 6 of the experiment group, in which the proportions of the added materials of example one and example two were the same, only the method was different, and the plates of the experiment group were also made into the same detachable sealing box forming a sealing space according to the method of the control group, and a digital temperature detector was placed in the sealing space;
then placing the sealed box bodies of the control group and the experimental group in an environment with the room temperature of 27 ℃ so that the initial temperature of the control group and the experimental group reaches about 27 ℃, then placing the control group and the experimental group in the environment with the room temperature of 0 ℃ at the same time, observing and recording the digital display temperature detectors after 3 hours, 6 hours, 9 hours and 12 hours, and obtaining experimental data as shown in figure 2;
as can be seen from fig. 2, the thermal insulation material produced by the present application has a lower temperature drop in 3 hours, 6 hours and 9 hours compared with the control group, and the whole of the experimental group is lower than that of the control group, but after 12 hours, both the experimental group and the control group lose the thermal insulation effect, in this experiment, the temperature drop in 3 hours, 6 hours and 9 hours in the first embodiment and the second embodiment are lower than those in the first embodiment, and the thermal insulation performance of the second embodiment is higher.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (8)
1. The preparation method of the heat insulation material is characterized by comprising the following steps of:
s1, preparing materials: preparing required materials including polyphenyl particles, fiber reinforced materials, mineral fillers, binders, flame retardants and waterproofing agents;
s2, pretreatment of materials: cutting the fiber reinforced material, and grinding and sieving the granularity of the mineral filler;
s3, mixing raw materials: mixing polyphenyl particles, fiber reinforced materials and mineral fillers together according to a preset formula proportion;
s4, adding a binder: gradually adding the binder to the mixture of materials while stirring sufficiently to ensure that the binder is uniformly dispersed throughout the mixture;
s5, adjusting the water content: adjusting the water content according to the conditions of the binder and other materials;
s6, molding and pressing: transferring the mixture into a mold or a preparation device, and molding;
s7, curing and drying: after molding, curing and drying;
s8, post-processing: cutting and trimming the prepared wall material, and then sequentially applying a flame retardant and a waterproof agent.
2. The method of manufacturing a thermal insulation material according to claim 1, wherein in S1, the fiber reinforcement material comprises glass fiber or carbon fiber, the mineral filler comprises expanded perlite or expanded vermiculite, the flame retardant comprises chlorinated steel, aluminum hydroxide, and the water repellent comprises silicate or polymer type water repellent.
3. The method for producing a heat insulating material according to claim 1, wherein in S2, the particle size of the mineral filler is 0.038mm to 0.070mm.
4. The method of claim 1, wherein in S3, a stirring device or a mixer is used to ensure uniform mixing of the materials.
5. The method for producing a heat insulating material according to claim 1, wherein the material comprises 30 to 35 parts by mass of polyphenyl particles, 3 to 8 parts by mass of a fiber reinforcing material, 8 to 12 parts by mass of a mineral filler, 8 to 12 parts by mass of a binder, 3 to 5 parts by mass of a flame retardant and 3 to 5 parts by mass of a water repellent.
6. The method for preparing a thermal insulation material according to claim 1, wherein in S4, the binder is an environment-friendly binder.
7. The method for producing a heat insulating material according to claim 1, wherein in S6, the molding method comprises spray molding, injection molding, extrusion molding or compression molding.
8. The method for preparing a thermal insulation material according to claim 1, wherein in S6, the equipment is driven to vibrate by the vibration equipment during the molding process.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117774359A (en) * | 2023-12-28 | 2024-03-29 | 淮阴工学院 | Production process and production equipment of polyphenyl granule light composite heat-insulating material |
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| CN105060803A (en) * | 2015-07-27 | 2015-11-18 | 福州爱因新材料有限公司 | Cement-based binder having functions of moisture resistance and thermal insulation |
| US20150345132A1 (en) * | 2014-05-30 | 2015-12-03 | Guang Zhou Zong Bao Xian Wei Zhi Pin Co., Ltd. | Fiber reinforcement fire-proof thermal insulation plate and preparation process thereof |
| CN108467217A (en) * | 2018-03-01 | 2018-08-31 | 合肥梵腾环保科技有限公司 | A kind of Novel wall body heat insulation material and preparation method thereof |
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| US20150345132A1 (en) * | 2014-05-30 | 2015-12-03 | Guang Zhou Zong Bao Xian Wei Zhi Pin Co., Ltd. | Fiber reinforcement fire-proof thermal insulation plate and preparation process thereof |
| CN105060803A (en) * | 2015-07-27 | 2015-11-18 | 福州爱因新材料有限公司 | Cement-based binder having functions of moisture resistance and thermal insulation |
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