CN107523042A - One kind manufacture solar water container polyurethane heat insulation material - Google Patents
One kind manufacture solar water container polyurethane heat insulation material Download PDFInfo
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- CN107523042A CN107523042A CN201710884361.0A CN201710884361A CN107523042A CN 107523042 A CN107523042 A CN 107523042A CN 201710884361 A CN201710884361 A CN 201710884361A CN 107523042 A CN107523042 A CN 107523042A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1808—Catalysts containing secondary or tertiary amines or salts thereof having alkylene polyamine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/222—Catalysts containing metal compounds metal compounds not provided for in groups C08G18/225 - C08G18/26
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses one kind to manufacture solar water container polyurethane heat insulation material, is made up of polyether composition and isocyanates reaction, and the weight ratio of polyether composition and isocyanates is 1:1~1.2；The polyether composition is made up of the component of following parts by weight：80 ~ 100 parts of PPG, 1 ~ 2 part of acetone, 5 ~ 10 parts of glycerin polyoxyethylene ether, 5 ~ 15 parts of water, 15 ~ 25 parts of modified bagasse, 3 ~ 6 parts of expanded perlite, 10 ~ 13 parts of foam stabilizer, 10 ~ 13 parts of catalyst.The present invention has the advantages that intensity height, Density Distribution is uniform, rate of closed hole is high, high insulating effect, cost are cheap.
Description
Technical field
The present invention relates to insulation material technical field, especially a kind of manufacture solar water container polyurethane heat insulation material.
Background technology
Polyurethane refers to the general name of the polymer containing multiple ammonia ester bonds (- NH-COO-) in strand.Ammonia ester bond typically by
NCO and hydroxyl reaction obtain.Polyurethane is since the 1930s is by Germanization scholar's O. Bayer inventions, and half
Developed rapidly since individual more centuries, be widely used in manufacturing foamed plastics, fiber, elastomer, synthetic leather, coating, glue
Glutinous agent, pavement material and medical material etc., and it is distributed widely in traffic, building, light industry, weaving, electromechanics, aviation and medical treatment
The fields such as health.With polyurethane chemistry studies, product manufacturing and the progress of technique for applying technology and application field not
Disconnected broadening, the fifth-largest plastics after polyethylene, polyvinyl chloride, polypropylene, polystyrene are turned at present.Nearly more than 20 years
Come, polyurethane products kind, application field, industry size expand rapidly, it has also become high molecular synthetic material work with fastest developing speed
One of industry.
Solar water heating system is the light for making the sun under irradiation by sunlight using solar thermal collector collection solar heat
Heat energy can be fully converted into, the heat that the functional parts such as circulating pump or magnetic valve arrive system acquisition is automatically controlled by control system
Amount is transferred in water storage attemperater, then matches electric power, combustion gas, the fuel oil equal energy source of equivalent, the water in water storage attemperater
Heat and turn into more stable quantitative energy device.To save the electric power of matching, combustion gas, fuel oil equal energy source, attemperater
Insulating power is very important, therefore, develops excellent solar water container insulation material and is necessary.
The content of the invention
The invention provides one kind to manufacture solar water container polyurethane heat insulation material, has intensity height, Density Distribution equal
Even, the advantages that rate of closed hole is high, high insulating effect, cheap cost.
To achieve the above object, the technical scheme is that：
One kind manufacture solar water container polyurethane heat insulation material, it is characterised in that：Reacted by polyether composition and isocyanates
It is made, the weight ratio of polyether composition and isocyanates is 1:1~1.2；The polyether composition by following parts by weight component system
Into：80 ~ 100 parts of PPG, 1 ~ 2 part of acetone, 5 ~ 10 parts of glycerin polyoxyethylene ether, 5 ~ 15 parts of water, modified bagasse 15 ~ 25
Part, 3 ~ 6 parts of expanded perlite, 10 ~ 13 parts of foam stabilizer, 10 ~ 13 parts of catalyst.
Preferably, the preparation method of the modified bagasse comprises the following steps：
（1）Discarded bagasse is taken, is cleaned, adds 2 ~ 3wt% 30 ~ 60min of phosphoric acid dip, takes out, bagasse is cleaned；
（2）Bagasse after phosphoric acid dip is handled is put into pressure cooker, adds water, pressure cooker boils and keeps 20 ~ 40min, complete
Into rear taking-up, dry；
（3）Bagasse is put into micro-wave oven and carries out microwave treatment, microwave power 1000W ~ 1200W, vacuum be 0.01 ~
0.15MPa, 60 ~ 120s of time, 50 ~ 70 mesh are crushed to after taking-up；
（4）By waterglass, potassium hydroxide, sorbierite by weight 100:1~2:1 ~ 2 is well mixed, after being added to pulverization process
In bagasse, make bagasse moistened surface, be then placed in freeze drying plant, be freeze-dried 10 ~ 12h, take out, be crushed to
80 ~ 100 mesh, obtain modified bagasse.
Preferably, the catalyst is aminated compounds and activated alumina by weight 2:0.5 ~ 1 is mixed；It is described
Aminated compounds is N, one kind in N- dimethyl cyclohexyl amines, dimethylethanolamine, dimethyl benzylamine, triethylenediamine.More
Preferably, the preparation method of the activated alumina comprises the following steps：
（1）Activated carbon is added in the oxalic acid solution that mass concentration is 5 ~ 10%, 2 ~ 4h is activated at 40 ~ 50 DEG C, taken out, cleaned；
（2）By isopropanol, gelatin and water by weight 10 ~ 20:1~3:70 ~ 80 mixing, stir 20 ~ 30min, then add oxidation
The weight ratio of aluminium powder body, 15 ~ 30min of stirring, addition activated carbon, alumina powder and activated carbon is 1:2 ~ 5, it is then placed in 2 ~ 4
DEG C environment in stand 3 ~ 10h, be dried in vacuo after taking-up, be crushed to 80 ~ 100 mesh, obtain activated alumina.
Preferably, the hydroxyl value of the PPG is 400-430mgKOH/g, and viscosity is 3500-5000 at 25 DEG C
mPa.s。
Preferably, the foam stabilizer is water-soluble silicon oil.
Preferably, the weight ratio of the polyether composition and isocyanates is 1:1.15.
Preferably, the polyether composition is made up of the component of following parts by weight：90 parts of PPG, 1.5 parts of acetone,
8 parts of glycerin polyoxyethylene ether, 10 parts of water, 22 parts of modified bagasse, 5 parts of expanded perlite, 12 parts of foam stabilizer, 12 parts of catalyst.
Above-described solar water container polyurethane heat insulation material, there is advantages below：
（1）As a result of bagasse, the cost of polyurethane material can be reduced, and the present invention is further carried out to bagasse
Modification, first pass through phosphoric acid dip, pressure cooker boiling and microwave treatment, bagasse activated, and makes inside bagasse
Hole specific surface area increases, and the hole of formation is further fixed in the presence of waterglass, and improves bagasse
Intensity, and then promote polyurethane heat insulation material that there is more preferable heat-insulating property, heat-resisting and anti-freezing property and higher resistance to compression
Intensity.
（2）Present invention employs aminated compounds and activated alumina as catalyst compounded, due to adding aluminum oxide
Adhere to manufactured activated alumina on the activated carbon, aluminum oxide can be made to be discharged when foam nearly stops expansion, added
The curing of fast catalysis foams, and increase the intensity of foam cell walls, so as to reduce the molding shrinkage of polyurethane heat insulation material, carry
The heat-insulating property of high polyurethane material.
（3）The polyurethane heat insulation material of the present invention can be prepared at normal temperatures, and technique is simple, product stability, closed pore
Rate is high, good heat insulating, and heat-resisting and anti-freezing property is excellent, and cost is cheap, has broad application prospects.
Embodiment
Embodiment 1
One kind manufacture solar water container polyurethane heat insulation material, is made up, polyethers group of polyether composition and isocyanates reaction
The weight of compound and isocyanates ratio is 1:1.15, wherein, polyether composition is made up of the component of following parts by weight：Polyether polyols
90 parts of alcohol, 1.5 parts of acetone, 8 parts of glycerin polyoxyethylene ether, 10 parts of water, 22 parts of modified bagasse, 5 parts of expanded perlite are water-soluble
12 parts of silicone oil, 12 parts of catalyst.
The preparation method of modified bagasse comprises the following steps：
（1）Discarded bagasse is taken, is cleaned, adds 2.5wt% phosphoric acid dip 50min, takes out, bagasse is cleaned；
（2）Bagasse after phosphoric acid dip is handled is put into pressure cooker, adds water, and pressure cooker boils and keeps 30min, after the completion of
Take out, dry；
（3）Bagasse is put into micro-wave oven and carries out microwave treatment, microwave power 1100W, vacuum 0.01MPa, the time
90s, 60 mesh are crushed to after taking-up；
（4）By waterglass, potassium hydroxide, sorbierite by weight 100:1.5:1.5 is well mixed, after being added to pulverization process
In bagasse, make bagasse moistened surface, be then placed in freeze drying plant, be freeze-dried 11h, take out, be crushed to 90
Mesh, obtain modified bagasse.
Catalyst is pressed by weight 2 by N, N- dimethyl cyclohexyl amines with activated alumina:0.8 is mixed, active oxidation
The preparation method of aluminium comprises the following steps：
（1）Activated carbon is added in the oxalic acid solution that mass concentration is 8%, 3h is activated at 45 DEG C, taken out, cleaned；
（2）By isopropanol, gelatin and water by weight 18:2:75 mixing, stir 25min, then add alumina powder, stir
The weight ratio of 20min, addition activated carbon, alumina powder and activated carbon is 1:3, it is then placed in 4 DEG C of environment and stands 9h, takes
It is dried in vacuo after going out, is crushed to 80 ~ 100 mesh, obtains activated alumina.
The hydroxyl value of PPG is 400-430mgKOH/g, and viscosity is 3500-5000 mPa.s at 25 DEG C.
Manufacture solar water container polyurethane heat insulation material preparation method comprises the following steps：By acetone, glycerine polyoxy second
Alkene ether, water, N, N-dimethyl cyclohexyl amine, water-soluble silicon oil are pre-mixed, and add PPG, modified bagasse and swollen
Swollen perlite, it is well mixed, then adds activated alumina, be well mixed, obtains polyether composition, be eventually adding isocyanates
Mixing jetting is to being foamed in solar water heater water tank cavity, after its solidification, that is, obtains manufacturing solar water container with poly-
Urethane insulation material.
Embodiment 2
One kind manufacture solar water container polyurethane heat insulation material, is made up, polyethers group of polyether composition and isocyanates reaction
The weight of compound and isocyanates ratio is 1:1.1, wherein, polyether composition is made up of the component of following parts by weight：Polyether polyols
80 parts of alcohol, 1 part of acetone, 5 parts of glycerin polyoxyethylene ether, 5 parts of water, 15 parts of modified bagasse, 3 parts of expanded perlite, water-soluble silicon
10 parts of oil, 10 parts of catalyst.
The preparation method of modified bagasse comprises the following steps：
（1）Discarded bagasse is taken, is cleaned, adds 2wt% phosphoric acid dip 60min, takes out, bagasse is cleaned；
（2）Bagasse after phosphoric acid dip is handled is put into pressure cooker, adds water, and pressure cooker boils and keeps 20min, after the completion of
Take out, dry；
（3）Bagasse is put into micro-wave oven and carries out microwave treatment, microwave power 1000W, vacuum 0.10MPa, the time
120s, 50 mesh are crushed to after taking-up；
（4）By waterglass, potassium hydroxide, sorbierite by weight 100:2:2 is well mixed, is added to the sugarcane after pulverization process
In slag, make bagasse moistened surface, be then placed in freeze drying plant, be freeze-dried 10h, take out, be crushed to 80 mesh, obtain
Modified bagasse.
Catalyst is pressed by weight 2 by triethylenediamine and activated alumina:0.5 is mixed, activated alumina
Preparation method comprises the following steps：
（1）Activated carbon is added in the oxalic acid solution that mass concentration is 5%, 4h is activated at 50 DEG C, taken out, cleaned；
（2）By isopropanol, gelatin and water by weight 10:1:70 mixing, stir 20min, then add alumina powder, stir
The weight ratio of 15min, addition activated carbon, alumina powder and activated carbon is 1:5, it is then placed in 4 DEG C of environment and stands 8h, takes
It is dried in vacuo after going out, is crushed to 80 ~ 100 mesh, obtains activated alumina.
The hydroxyl value of PPG is 400-430mgKOH/g, and viscosity is 3500-5000 mPa.s at 25 DEG C.
Manufacture solar water container polyurethane heat insulation material preparation method comprises the following steps：By acetone, glycerine polyoxy second
Alkene ether, water, triethylenediamine, water-soluble silicon oil are pre-mixed, and add PPG, modified bagasse and expanded pearlite
Rock, it is well mixed, then adds activated alumina, be well mixed, obtain polyether composition, is eventually adding isocyanates mixing spray
It is mapped in solar water heater water tank cavity and is foamed, after its solidification, that is, obtains manufacture solar water container and protected with polyurethane
Adiabator.
Embodiment 3
One kind manufacture solar water container polyurethane heat insulation material, is made up, polyethers group of polyether composition and isocyanates reaction
The weight of compound and isocyanates ratio is 1:1.2, wherein, polyether composition is made up of the component of following parts by weight：Polyether polyols
100 parts of alcohol, 2 parts of acetone, 10 parts of glycerin polyoxyethylene ether, 15 parts of water, 25 parts of modified bagasse, 6 parts of expanded perlite are water-soluble
13 parts of silicone oil, 13 parts of catalyst.
The preparation method of modified bagasse comprises the following steps：
（1）Discarded bagasse is taken, is cleaned, adds 3wt% phosphoric acid dip 30min, takes out, bagasse is cleaned；
（2）Bagasse after phosphoric acid dip is handled is put into pressure cooker, adds water, and pressure cooker boils and keeps 40min, after the completion of
Take out, dry；
（3）Bagasse is put into micro-wave oven and carries out microwave treatment, microwave power 1200W, vacuum 0.15MPa, the time
60s, 70 mesh are crushed to after taking-up；
（4）By waterglass, potassium hydroxide, sorbierite by weight 100:1:1 is well mixed, is added to the sugarcane after pulverization process
In slag, make bagasse moistened surface, be then placed in freeze drying plant, be freeze-dried 12h, take out, be crushed to 100 mesh,
Obtain modified bagasse.
Catalyst is pressed by weight 2 by dimethylethanolamine and activated alumina:1 is mixed, the system of activated alumina
Preparation Method comprises the following steps：
（1）Activated carbon is added in the oxalic acid solution that mass concentration is 10%, 2h is activated at 40 DEG C, taken out, cleaned；
（2）By isopropanol, gelatin and water by weight 20:3:80 mixing, stir 30min, then add alumina powder, stir
The weight ratio of 30min, addition activated carbon, alumina powder and activated carbon is 1:2, it is then placed in 4 DEG C of environment and stands 8h, takes
It is dried in vacuo after going out, is crushed to 80 ~ 100 mesh, obtains activated alumina.
The hydroxyl value of PPG is 400-430mgKOH/g, and viscosity is 3500-5000 mPa.s at 25 DEG C.
Manufacture solar water container polyurethane heat insulation material preparation method comprises the following steps：By acetone, glycerine polyoxy second
Alkene ether, water, dimethylethanolamine, water-soluble silicon oil are pre-mixed, and add PPG, modified bagasse and expanded pearlite
Rock, it is well mixed, then adds activated alumina, be well mixed, obtain polyether composition, is eventually adding isocyanates mixing spray
It is mapped in solar water heater water tank cavity and is foamed, after its solidification, that is, obtains manufacture solar water container and protected with polyurethane
Adiabator.
The quality testing data for the manufacture solar water container polyurethane heat insulation material that table 1 is embodiment 1-3.
The embodiment 1-3 of table 1 manufacture solar water container polyurethane heat insulation material quality testing data
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Density（kg/m3） | 36 | 35 | 35 |
| Thermal conductivity factor（W/m·k） | 0.0195 | 0.0202 | 0.0198 |
| Compressive strength（kPa） | 209 | 199 | 201 |
| Water absorption rate（%） | 0.28 | 0.36 | 0.33 |
| Rate of closed hole（%） | 96.5 | 95.3 | 95.9 |
| Dimensional stability（100 DEG C, 24h） | 0.20 | 0.29 | 0.22 |
| Dimensional stability（- 25 DEG C, 24h） | 0.10 | 0.20 | 0.13 |
| Molding shrinkage（%） | 0.98 | 1.12 | 1.02 |
From the data of upper table, the manufacture solar water container polyurethane heat insulation material of the present embodiment is in compressive strength, size
Stability, performance is preferable in terms of rate of closed hole, phenomena such as the equal ungauged regions of chilled or hot conditions, deformation, expansion and cracking, is
The polyurethane heat insulation material of excellent performance.
To verify heat insulation effect, applicant buys 4 solar water heaters on the market, and will wherein 3 solar heats
The water tank of hydrophone replaces with the solar water container of the polyurethane heat insulation material making using the present embodiment 1 ~ 3 respectively.In broken sky
Gas, temperature are at 20 ~ 25 DEG C, and the water temperature in the solar water container without replacement is 70 DEG C, the solar water container that embodiment 1 makes
In water temperature be 81 DEG C, embodiment 2 make solar water container in water temperature be 78 DEG C, embodiment 3 make solar water container
In water temperature be 79 DEG C.To sum up, the solar water container of the present embodiment has excellent heat insulation effect.
Claims (8)
1. one kind manufacture solar water container polyurethane heat insulation material, it is characterised in that：It is anti-by polyether composition and isocyanates
It should be made, the weight ratio of polyether composition and isocyanates is 1:1~1.2；The polyether composition by following parts by weight component
It is made：80 ~ 100 parts of PPG, 1 ~ 2 part of acetone, 5 ~ 10 parts of glycerin polyoxyethylene ether, 5 ~ 15 parts of water, modified bagasse 15 ~
25 parts, 3 ~ 6 parts of expanded perlite, 10 ~ 13 parts of foam stabilizer, 10 ~ 13 parts of catalyst.
2. manufacture solar water container polyurethane heat insulation material according to claim 1, it is characterised in that：The modification is sweet
The preparation method of bagasse comprises the following steps：
（1）Discarded bagasse is taken, is cleaned, adds 2 ~ 3wt% 30 ~ 60min of phosphoric acid dip, takes out, bagasse is cleaned；
（2）Bagasse after phosphoric acid dip is handled is put into pressure cooker, adds water, pressure cooker boils and keeps 20 ~ 40min, complete
Into rear taking-up, dry；
（3）Bagasse is put into micro-wave oven and carries out microwave treatment, microwave power 1000W ~ 1200W, vacuum be 0.01 ~
0.15MPa, 60 ~ 120s of time, 50 ~ 70 mesh are crushed to after taking-up；
（4）By waterglass, potassium hydroxide, sorbierite by weight 100:1~2:1 ~ 2 is well mixed, after being added to pulverization process
In bagasse, make bagasse moistened surface, be then placed in freeze drying plant, be freeze-dried 10 ~ 12h, take out, be crushed to
80 ~ 100 mesh, obtain modified bagasse.
3. manufacture solar water container polyurethane heat insulation material according to claim 1, it is characterised in that：The catalyst
It is aminated compounds and activated alumina by weight 2:0.5 ~ 1 is mixed；The aminated compounds is N, N- diformazan basic rings
One kind in hexylamine, dimethylethanolamine, dimethyl benzylamine, triethylenediamine.
4. manufacture solar water container polyurethane heat insulation material according to claim 3, it is characterised in that：
The preparation method of the activated alumina comprises the following steps：
（1）Activated carbon is added in the oxalic acid solution that mass concentration is 5 ~ 10%, 2 ~ 4h is activated at 40 ~ 50 DEG C, taken out, cleaned；
（2）By isopropanol, gelatin and water by weight 10 ~ 20:1~3:70 ~ 80 mixing, stir 20 ~ 30min, then add oxidation
The weight ratio of aluminium powder body, 15 ~ 30min of stirring, addition activated carbon, alumina powder and activated carbon is 1:2 ~ 5, it is then placed in 2 ~ 4
DEG C environment in stand 3 ~ 10h, be dried in vacuo after taking-up, be crushed to 80 ~ 100 mesh, obtain activated alumina.
5. manufacture solar water container polyurethane heat insulation material according to claim 1, it is characterised in that：The polyethers is more
The hydroxyl value of first alcohol is 400-430mgKOH/g, and viscosity is 3500-5000 mPa.s at 25 DEG C.
6. manufacture solar water container polyurethane heat insulation material according to claim 1, it is characterised in that：The foam stabilizer
For water-soluble silicon oil.
7. manufacture solar water container polyurethane heat insulation material according to claim 1, it is characterised in that：The polyethers group
The weight of compound and isocyanates ratio is 1:1.15.
8. manufacture solar water container polyurethane heat insulation material according to claim 1, it is characterised in that：The polyethers group
Compound is made up of the component of following parts by weight：90 parts of PPG, 1.5 parts of acetone, 8 parts of glycerin polyoxyethylene ether, 10 parts of water,
22 parts of modified bagasse, 5 parts of expanded perlite, 12 parts of foam stabilizer, 12 parts of catalyst.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710884361.0A CN107523042A (en) | 2017-09-26 | 2017-09-26 | One kind manufacture solar water container polyurethane heat insulation material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884361.0A CN107523042A (en) | 2017-09-26 | 2017-09-26 | One kind manufacture solar water container polyurethane heat insulation material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535365A (en) * | 2018-11-14 | 2019-03-29 | 安徽明光中兴阳光新能源科技有限公司 | A kind of solar water container polyurethane heat insulation material and preparation method thereof |
| CN109608604A (en) * | 2018-11-14 | 2019-04-12 | 安徽明光中兴阳光新能源科技有限公司 | A kind of polyurethane heat-insulating heat-preserving material and preparation method thereof |
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