CN108467280A - A kind of solar energy heat preserving and insulating material - Google Patents

A kind of solar energy heat preserving and insulating material Download PDF

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Publication number
CN108467280A
CN108467280A CN201810626472.6A CN201810626472A CN108467280A CN 108467280 A CN108467280 A CN 108467280A CN 201810626472 A CN201810626472 A CN 201810626472A CN 108467280 A CN108467280 A CN 108467280A
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parts
insulating
solar energy
mixing
waterglass
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CN108467280B (en
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刘菊花
刘侠
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Zhejiang tesheng building materials Co., Ltd
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Foshan Teng Carp Amperex Technology 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
    • C04B28/24Compositions 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 alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26Silicates of the alkali metals
    • 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
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • C04B20/023Chemical treatment
    • 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
    • C04B2111/40Porous or lightweight 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

Abstract

The invention discloses a kind of solar energy heat preserving and insulating materials, belong to field of new energy technologies.It counts, weighs successively in parts by weight:50~60 parts of waterglass, 7~12 parts of prodans, 10~18 parts of modified expanded perlites, 3~5 parts of hydrogen peroxide, 1~2 part of hydroxypropyl methyl cellulose, 10~15 parts of additives and 2~6 parts of calcium bicarbonates, prodan is mixed with waterglass, and hydroxypropyl methyl fiber is added, after being stirred, obtain waterglass solidification liquid;Modified pearl rock is mixed with additive, and calcium bicarbonate and waterglass solidification liquid is added, after being stirred, obtains mixing blank, mixing blank is mixed with hydrogen peroxide, quiet to stop, injection molding is dry, and demoulding obtains solar energy heat preserving and insulating material.Solar energy prepared by technical solution of the present invention has excellent heat-insulating property with heat preserving and insulating material.

Description

A kind of solar energy heat preserving and insulating material
Technical field
The invention discloses a kind of solar energy heat preserving and insulating materials, belong to field of new energy technologies.
Background technology
As the energy is increasingly in short supply and the continuous increase of environmental protection pressure, countries in the world all start to push exploitation renewable energy Source, wherein solar energy are to utilize and develop the regenerative resource most wide, development prospect is best, and it is each to be widely used in each row Industry, solar water heater industry are exactly one of them.
The thermal insulation material that can serve as water tank at present mainly has polyurethane foam, phenol formaldehyde foam, superfine fibre etc..Polyurethane foam Foam is to be mixed to be poured into foam in mold or water tank cavity with polyether composition by isocyanates to be made, and wherein polyether composition contains There are polyether polyol, foaming agent, catalyst, stabilizer etc..Polyurethane foamed material is to generally acknowledge that best heat preservation is exhausted in the world at present Hot material has many advantages, such as that thermal coefficient is small, compression strength is high, caking property is good, easy to process, is widely used in electric appliance refrigerator ice Cabinet, construction wall, industrial pipeline and communications and transportation refrigerator car heat-insulation and heat-preservation be application demand new growth point in recent years.But It is, compared with traditional inorganic heat-insulating material, the non-fire retardation polymer foam material including polyurethane foamed material, tool There is inflammable, flame propagation speed.
Polyurethane hard foam in process of production, because of itself characteristic, production technology and direct labor's operative skill etc. The problem of the reason of various aspects, generally existing foam contraction, is easy to cause foam and falls off with casing part or all fall off, finally Lead to casing deformation, vacuum nozzle foam cracking, What is more, and the polyurethane hard foam between liner and shell is laterally or longitudinally Cracking, greatly reduces the heat insulation effect of water tank.
Therefore research and develop novel solar energy has preferable market prospects with heat preserving and insulating material.
Invention content
The present invention solves the technical problem of:It can not be into for traditional solar energy heat preserving and insulating material heat-insulating property The problem of one step improves, provides a kind of solar energy heat preserving and insulating material.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of solar energy heat preserving and insulating material, is made of the raw material of following weight fraction:
50~60 parts of waterglass
7~12 parts of prodan
10~18 parts of modified expanded perlite
3~5 parts of hydrogen peroxide
1~2 part of hydroxypropyl methyl cellulose
10~15 parts of additive
2~6 parts of calcium bicarbonate
The preparation method of the modified expanded perlite is:
It will(N- amidino groups)Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 4:1~5:1 mixing, and poly- second is added The paracide that 0.1~0.2 times of diol, derivatives quality, the ferrocene and gather that 0.08~0.12 times of polyethyleneglycol derivative quality The tetrahydrofuran that 10~15 times of ethylene glycol derivative quality, is stirred, and obtains inorganic agent, and inorganic agent and expanded perlite are pressed matter Measure ratio 5:1~5:2 mixing, concentrated by rotary evaporation stand under carbon dioxide atmosphere, obtain modified expanded perlite;
The preparation method of the additive is:
By melamine and formaldehyde in mass ratio 1:2~1:3 mixing, and the water of 8~10 times of melamine quality is added, stirring is mixed After conjunction, pH to 8~9 is adjusted, continues to be stirred to react, obtains prepolymer solution;By styrene-maleic anhydride copolymer and sodium hydroxide In mass ratio 5:1~6:1 mixing, and the water of 8~9 times of styrene-maleic anhydride copolymer quality is added, adjusting pH to 4.2~ 4.5, after being stirred, styrene-maleic anhydride copolymer lotion is obtained, by styrene-maleic anhydride copolymer lotion and paraffin In mass ratio 5:1~6:1 mixing, is stirred, obtains paraffin wax emulsions;By volume to graphene oxide dispersion and paraffin wax emulsions 1:2 mixing, and the prepolymer solution of 1~2 times of graphene oxide dispersion volume is added, it after being stirred to react, filters, washing, very Sky is dry, obtains additive.
The preparation method of the solar energy heat preserving and insulating material be by raw material form weigh each component, by prodan with Waterglass mixes, and hydroxypropyl methyl fiber is added, and after being stirred, obtains waterglass solidification liquid;By modified pearl rock and addition Agent mixes, and calcium bicarbonate and waterglass solidification liquid is added, and after being stirred, obtains mixing blank, by mixing blank and peroxidating Hydrogen mixes, quiet to stop, injection molding, dry, and demoulding obtains solar energy heat preserving and insulating material.
The waterglass is by sodium metasilicate and water in mass ratio 1:3~1:4 mixing, obtain waterglass.
The polyethyleneglycol derivative is any one in polyethylene glycol-p-methyl benzenesulfonic acid ester or polyethylene glycol salicylate Kind.
The expanded perlite grain size is 80 mesh.
The paraffin is the mineral wax mixture of carbon atom number 24~32.
The graphene oxide dispersion is by graphene oxide and water in mass ratio 1:100~1:120 mixing, ultrasound point It dissipates, obtains graphene oxide dispersion.
The beneficial effects of the invention are as follows:
(1)Modified expanded perlite is added when preparing solar energy heat preserving and insulating material in the present invention, on the one hand, modified expanded treasure Zhu Yan can be filled by the hole inside modified expanded perlite by imitated vesicle structure, so make expanded perlite have compared with High porosity can make product have preferable heat-insulating property after being added in product, on the other hand, since vesica mechanism is inlayed In the hole of expanded perlite, modified expanded perlite can be migrated to product surface in product preparation process, to So that the contact surface thermal conductivity of product is reduced, and then the heat-insulating property of product is made to improve;
(2)Additive is added when preparing solar energy heat preserving and insulating material by the present invention, contains graphene oxide packet in additive The microballoon for covering paraffin can be while extraneous environmental change after being added in product, the heat in effective storage condition, to It reduces by the thermal loss of coating product substance, and then the heat-insulating property of product is made to improve.
Specific implementation mode
Graphene oxide dispersion is by graphene oxide and water in mass ratio 1:100~1:120 mixing, in frequency be 45 Under conditions of~55kHz after 15~25min of ultrasonic disperse, graphene oxide dispersion is obtained;It will(N- amidino groups)Dodecyl propylene Amide and polyethyleneglycol derivative in mass ratio 4:1~5:1 is mixed in beaker, and polyethyleneglycol derivative is added into beaker The paracide that 0.1~0.2 times of quality, the ferrocene and polyethylene glycol that 0.08~0.12 times of polyethyleneglycol derivative quality derive The tetrahydrofuran that 10~15 times of amount of substance is 45~55 DEG C in temperature, and rotating speed is stirred under conditions of being 250~350r/min After 1~2h, inorganic agent is obtained, by inorganic agent and expanded perlite in mass ratio 5:1~5:2 mixing are 45~55 DEG C in temperature, turn Speed be 400~500r/min under conditions of, after being stirred 20~40min, and in temperature be 60~70 DEG C, rotating speed be 120~ 150r/min, pressure are 30~40min of concentrated by rotary evaporation under conditions of 500~600kPa, concentrate are obtained, by concentrate in titanium dioxide After standing 20~30min under carbon atmosphere, modified expanded perlite is obtained;By melamine and formaldehyde in mass ratio 1:2~1:3 mixing In beaker, and the water of 8~10 times of melamine quality being added into beaker, is 45~55 DEG C in temperature, rotating speed is 300~ After being stirred 30~40min under conditions of 400r/min, material pH to 8~9 in beaker is adjusted with triethanolamine, continues at temperature Degree is 70~75 DEG C, under conditions of rotating speed is 350~450r/min, after being stirred to react 50~60min, obtains prepolymer solution;It will Styrene-maleic anhydride copolymer and sodium hydroxide in mass ratio 5:1~6:1 is mixed in flask, and benzene is added into flask The water that 8~9 times of ethylene maleic acid anhydride copolymer quality adjusts material pH to 4.2~4.5 in flask with citric acid, is in temperature 40~50 DEG C, after rotating speed is stirred 30~40min under conditions of being 300~400r/min, obtain styrene-maleic anhydride copolymer Object lotion, by styrene-maleic anhydride copolymer lotion and paraffin in mass ratio 5:1~6:1 mixing, in temperature be 40~50 DEG C, after rotating speed is stirred 30~40min under conditions of being 300~400r/min, obtain paraffin wax emulsions;Graphene oxide is disperseed Liquid and paraffin wax emulsions by volume 1:2 are mixed in conical flask, and are added and are aoxidized with the rate of 3~5mL/min into conical flask The prepolymer solution that 1~2 times of graphene dispersing solution volume is 70~75 DEG C in temperature, and rotating speed is the condition of 450~550r/min Under be stirred to react 2~3h after, filtering, obtain filter cake, after filter cake is washed with water 5~10 times, be dried in vacuo under conditions of 40 DEG C 20~30min obtains additive;It counts, weighs successively in parts by weight:50~60 parts of waterglass, 7~12 parts of prodans, 10~ 18 parts of modified expanded perlites, 3~5 parts of hydrogen peroxide, 1~2 part of hydroxypropyl methyl cellulose, 10~15 parts of additives and 2~6 Part calcium bicarbonate, prodan and waterglass are mixed in blender, and hydroxypropyl methyl fibre is sequentially added into blender Dimension is 30~40 DEG C in temperature, after rotating speed is stirred 30~60min under conditions of being 300~400r/min, it is solidifying to obtain waterglass Solid-liquid;Modified pearl rock is mixed with additive, and bicarbonate is sequentially added into the mixture of modified pearl rock and additive Calcium and waterglass solidification liquid are 40~48 DEG C in temperature, rotating speed is stirred 30 under conditions of being 300~400r/min~ After 50min, obtain mixing blank, mixing blank mixed with hydrogen peroxide, it is quiet under conditions of being 30~40 DEG C in temperature stop 10~ After 18min, injection molding obtains blank, and under conditions of being 50~60 DEG C in temperature by blank after dry 1~2h, demoulding obtains solar energy use Heat preserving and insulating material.The waterglass is by sodium metasilicate and water in mass ratio 1:3~1:4 mixing, obtain waterglass.The poly- second two 01 derivatives are any one in polyethylene glycol-p-methyl benzenesulfonic acid ester or polyethylene glycol salicylate.The expanded perlite grain Diameter is 80 mesh.The paraffin is the mineral wax mixture of carbon atom number 24~32.
Graphene oxide dispersion is by graphene oxide and water in mass ratio 1:120 mixing, in the item that frequency is 55kHz Under part after ultrasonic disperse 25min, graphene oxide dispersion is obtained;It will(N- amidino groups)Dodecylacrylamide spreads out with polyethylene glycol Biology in mass ratio 5:1 is mixed in beaker, and the paracide of 0.2 times of polyethyleneglycol derivative quality is added into beaker, The tetrahydrofuran of 15 times of the ferrocene and polyethyleneglycol derivative quality that 0.12 times of polyethyleneglycol derivative quality, in temperature be 55 DEG C, after rotating speed is stirred 2h under conditions of being 350r/min, inorganic agent is obtained, by inorganic agent and expanded perlite in mass ratio 5: 2 mixing, in temperature be 55 DEG C, rotating speed be 500r/min under conditions of, after being stirred 40min, and in temperature be 70 DEG C, rotating speed For 150r/min, pressure is concentrated by rotary evaporation 40min under conditions of 600kPa, concentrate is obtained, by concentrate in carbon dioxide atmosphere After lower standing 30min, modified expanded perlite is obtained;By melamine and formaldehyde in mass ratio 1:3 are mixed in beaker, and to burning The water of 10 times of melamine quality is added in cup, is 55 DEG C in temperature, rotating speed is stirred 40min under conditions of being 400r/min Afterwards, material pH to 9 in beaker is adjusted with triethanolamine, it is 75 DEG C to continue at temperature, under conditions of rotating speed is 450r/min, stirring After reacting 60min, prepolymer solution is obtained;By styrene-maleic anhydride copolymer and sodium hydroxide in mass ratio 6:1 is mixed in burning In bottle, and the water of 9 times of styrene-maleic anhydride copolymer quality is added into flask, material pH in flask is adjusted with citric acid To 4.5, it is 50 DEG C in temperature, after rotating speed is stirred 40min under conditions of being 400r/min, it is total obtains phenylethylene-maleic anhydride Copolymer emulsion, by styrene-maleic anhydride copolymer lotion and paraffin in mass ratio 6:1 mixing is 50 DEG C in temperature, and rotating speed is After being stirred 40min under conditions of 400r/min, paraffin wax emulsions are obtained;Graphene oxide dispersion and paraffin wax emulsions are pressed into volume Than 1:2 are mixed in conical flask, and 2 times of graphene oxide dispersion volume is added with the rate of 5mL/min into conical flask Prepolymer solution is 75 DEG C in temperature, and after rotating speed is stirred to react 3h under conditions of being 550r/min, filtering obtains filter cake, by filter cake After being washed with water 10 times, it is dried in vacuo 30min under conditions of 40 DEG C, obtains additive;It counts, weighs successively in parts by weight:60 Part waterglass, 12 parts of prodans, 18 parts of modified expanded perlites, 5 parts of hydrogen peroxide, 2 parts of hydroxypropyl methyl celluloses, 15 parts Prodan and waterglass are mixed in blender, and sequentially add hydroxypropyl into blender by additive and 6 parts of calcium bicarbonates Ylmethyl fiber is 40 DEG C in temperature, after rotating speed is stirred 60min under conditions of being 400r/min, obtains waterglass solidification liquid; Modified pearl rock is mixed with additive, and calcium bicarbonate and water are sequentially added into the mixture of modified pearl rock and additive Glass solidification liquid is 48 DEG C in temperature, after rotating speed is stirred 50min under conditions of being 400r/min, obtains mixing blank, will mix Close blank mixed with hydrogen peroxide, in temperature be 40 DEG C under conditions of it is quiet stop 18min after, injection molding obtains blank, by blank in temperature Under conditions of being 60 DEG C after dry 2h, demoulding obtains solar energy heat preserving and insulating material.The waterglass is to press sodium metasilicate and water Mass ratio 1:3 mixing, obtain waterglass.The polyethyleneglycol derivative is polyethylene glycol-p-methyl benzenesulfonic acid ester.The expanded pearlite Rock grain size is 80 mesh.The paraffin is the mineral wax mixture of carbon atom number 26~30.
By melamine and formaldehyde in mass ratio 1:3 are mixed in beaker, and melamine quality 10 is added into beaker Water again is 55 DEG C in temperature, after rotating speed is stirred 40min under conditions of being 400r/min, beaker is adjusted with triethanolamine Interior material pH to 9, it is 75 DEG C to continue at temperature, under conditions of rotating speed is 450r/min, after being stirred to react 60min, obtains performed polymer Solution;By styrene-maleic anhydride copolymer and sodium hydroxide in mass ratio 6:1 is mixed in flask, and is added into flask The water that 9 times of styrene-maleic anhydride copolymer quality, with citric acid adjust flask in material pH to 4.5, in temperature be 50 DEG C, After rotating speed is stirred 40min under conditions of being 400r/min, styrene-maleic anhydride copolymer lotion is obtained, by styrene-horse Come acid anhydride copolymer lotion and paraffin in mass ratio 6:1 mixing is 50 DEG C in temperature, and rotating speed stirs under conditions of being 400r/min After mixing 40min, paraffin wax emulsions are obtained;By graphene oxide dispersion and paraffin wax emulsions by volume 1:2 are mixed in conical flask, And the prepolymer solution of 2 times of graphene oxide dispersion volume is added with the rate of 5mL/min into conical flask, in temperature be 75 DEG C, after rotating speed is stirred to react 3h under conditions of being 550r/min, filtering obtains filter cake, after filter cake is washed with water 10 times, in 40 DEG C Under conditions of be dried in vacuo 30min, obtain additive;It counts, weighs successively in parts by weight:60 parts of waterglass, 12 parts of prodans, 18 parts of expanded perlites, 5 parts of hydrogen peroxide, 2 parts of hydroxypropyl methyl celluloses, 15 parts of additives and 6 parts of calcium bicarbonates, by fluorine silicon Sour sodium is mixed in waterglass in blender, and hydroxypropyl methyl fiber is sequentially added into blender, is 40 DEG C in temperature, is turned After speed is stirred 60min under conditions of being 400r/min, waterglass solidification liquid is obtained;Perlite is mixed with additive, and to Calcium bicarbonate and waterglass solidification liquid are sequentially added in the mixture of perlite and additive, is 48 DEG C in temperature, rotating speed is After being stirred 50min under conditions of 400r/min, mixing blank is obtained, mixing blank is mixed with hydrogen peroxide, is in temperature Under conditions of 40 DEG C it is quiet stop 18min after, injection molding obtains blank, under conditions of being 60 DEG C in temperature by blank after dry 2h, demoulding, Obtain solar energy heat preserving and insulating material.The waterglass is by sodium metasilicate and water in mass ratio 1:3 mixing, obtain waterglass.It is described Expanded perlite grain size is 80 mesh.The paraffin is the mineral wax mixture of carbon atom number 26~30.
It will(N- amidino groups)Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 5:1 is mixed in beaker, and The paracide of 0.2 times of polyethyleneglycol derivative quality, two cyclopentadienyls of 0.12 times of polyethyleneglycol derivative quality are added into beaker The tetrahydrofuran of 15 times of iron and polyethyleneglycol derivative quality is 55 DEG C in temperature, and rotating speed stirs under conditions of being 350r/min After mixing 2h, inorganic agent is obtained, by inorganic agent and expanded perlite in mass ratio 5:2 mixing are 55 DEG C in temperature, and rotating speed is After being stirred 40min, and it is 70 DEG C, rotating speed 150r/min in temperature, pressure is 600kPa's under conditions of 500r/min Under the conditions of concentrated by rotary evaporation 40min, obtain concentrate, after concentrate is stood 30min under carbon dioxide atmosphere, obtain modified expanded treasure Zhu Yan;It counts, weighs successively in parts by weight:60 parts of waterglass, 12 parts of prodans, 18 parts of modified expanded perlites, 5 parts of peroxides Change hydrogen, prodan and waterglass are mixed in blender by 2 parts of hydroxypropyl methyl celluloses and 6 parts of calcium bicarbonates, and to stirring It mixes and sequentially adds hydroxypropyl methyl fiber in machine, be 40 DEG C in temperature, rotating speed is stirred 60min under conditions of being 400r/min Afterwards, waterglass solidification liquid is obtained;Modified pearl rock is mixed with calcium bicarbonate, and to the mixture of modified pearl rock and calcium bicarbonate Middle addition waterglass solidification liquid is 48 DEG C in temperature, after rotating speed is stirred 50min under conditions of being 400r/min, must mix Blank, will mixing blank mix with hydrogen peroxide, in temperature be 40 DEG C under conditions of it is quiet stop 18min after, injection molding obtains blank, general Under conditions of blank is 60 DEG C in temperature after dry 2h, demoulding obtains solar energy heat preserving and insulating material.The waterglass is by silicon Sour sodium and water in mass ratio 1:3 mixing, obtain waterglass.The polyethyleneglycol derivative is polyethylene glycol-p-methyl benzenesulfonic acid ester.Institute It is 80 mesh to state expanded perlite grain size.
Comparative example:Xinyang keeps the temperature the thermal insulation material of Science and Technology Ltd.'s production.
The solar energy heat preserving and insulating material of 1 to 3 gained of example and comparative example product are subjected to performance detection, it is specific to detect Method is as follows:
1. heat-insulating property:Test specimen thermal coefficient is tested using CD-DR3030 type thermal conductivity measuring apparatus;Sample dimensions are 150mm × 150mm × 30mm, 35 DEG C of hot plate temperature, 15 DEG C of cold plate temperature, 25 DEG C of mean temperature;
Specific testing result is as shown in table 1:
Table 1 solar energy heat preserving and insulating material performance test results
Detection project Example 1 Example 2 Example 3 Comparative example
Thermal coefficient/(W/(m·k)) 0.02 0.05 0.08 0.08
By 1 testing result of table it is found that solar energy prepared by technical solution of the present invention has excellent heat preservation with heat preserving and insulating material Performance.

Claims (7)

1. a kind of solar energy heat preserving and insulating material, which is characterized in that be made of the raw material of following weight fraction:
50~60 parts of waterglass
7~12 parts of prodan
10~18 parts of modified expanded perlite
3~5 parts of hydrogen peroxide
1~2 part of hydroxypropyl methyl cellulose
10~15 parts of additive
2~6 parts of calcium bicarbonate
The preparation method of the modified expanded perlite is:
It will(N- amidino groups)Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 4:1~5:1 mixing, and poly- second is added The paracide that 0.1~0.2 times of diol, derivatives quality, the ferrocene and gather that 0.08~0.12 times of polyethyleneglycol derivative quality The tetrahydrofuran that 10~15 times of ethylene glycol derivative quality, is stirred, and obtains inorganic agent, and inorganic agent and expanded perlite are pressed matter Measure ratio 5:1~5:2 mixing, concentrated by rotary evaporation stand under carbon dioxide atmosphere, obtain modified expanded perlite;
The preparation method of the additive is:
By melamine and formaldehyde in mass ratio 1:2~1:3 mixing, and the water of 8~10 times of melamine quality is added, stirring is mixed After conjunction, pH to 8~9 is adjusted, continues to be stirred to react, obtains prepolymer solution;By styrene-maleic anhydride copolymer and sodium hydroxide In mass ratio 5:1~6:1 mixing, and the water of 8~9 times of styrene-maleic anhydride copolymer quality is added, adjusting pH to 4.2~ 4.5, after being stirred, styrene-maleic anhydride copolymer lotion is obtained, by styrene-maleic anhydride copolymer lotion and paraffin In mass ratio 5:1~6:1 mixing, is stirred, obtains paraffin wax emulsions;By volume to graphene oxide dispersion and paraffin wax emulsions 1:2 mixing, and the prepolymer solution of 1~2 times of graphene oxide dispersion volume is added, it after being stirred to react, filters, washing, very Sky is dry, obtains additive.
2. a kind of solar energy heat preserving and insulating material according to claim 1, it is characterised in that:The solar energy heat preservation The preparation method of heat-barrier material is to form to weigh each component by raw material, prodan is mixed with waterglass, and hydroxypropyl is added Methyl cellulose after being stirred, obtains waterglass solidification liquid;Modified pearl rock is mixed with additive, and be added calcium bicarbonate and Waterglass solidification liquid after being stirred, obtains mixing blank, and mixing blank is mixed with hydrogen peroxide, and quiet to stop, injection molding is dry, takes off Mould obtains solar energy heat preserving and insulating material.
3. a kind of solar energy heat preserving and insulating material according to claim 1, it is characterised in that:The waterglass is by silicon Sour sodium and water in mass ratio 1:3~1:4 mixing, obtain waterglass.
4. a kind of solar energy heat preserving and insulating material according to claim 1, it is characterised in that:The polyethylene glycol derives Object is any one in polyethylene glycol-p-methyl benzenesulfonic acid ester or polyethylene glycol salicylate.
5. a kind of solar energy heat preserving and insulating material according to claim 1, it is characterised in that:The expanded perlite grain Diameter is 80 mesh.
6. a kind of solar energy heat preserving and insulating material according to claim 1, it is characterised in that:The paraffin is carbon atom The mineral wax mixture of number 24~32.
7. a kind of solar energy heat preserving and insulating material according to claim 1, it is characterised in that:The graphene oxide point Dispersion liquid is by graphene oxide and water in mass ratio 1:100~1:120 mixing, ultrasonic disperse obtain graphene oxide dispersion.
CN201810626472.6A 2018-06-19 2018-06-19 Heat preservation and insulation material for solar energy Active CN108467280B (en)

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CN103102137A (en) * 2013-02-26 2013-05-15 哈密市祥昊工贸有限公司 Exterior wall thermal insulation board with high performance and preparation process thereof
CN104861934A (en) * 2015-05-26 2015-08-26 西南科技大学 Preparation method of phase change microcapsule with graphene-modified wall material
CN108033806A (en) * 2017-12-18 2018-05-15 郭舒洋 A kind of preparation method of expanded perlite thermal-nsulation brick

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CN109401101A (en) * 2018-12-16 2019-03-01 陈绪涛 A kind of graphene anti-corrosion environment-friendly building materials insulation board and preparation method thereof

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