CN108840706A - A kind of preparation method of refrigerator heat insulation material - Google Patents
A kind of preparation method of refrigerator heat insulation material Download PDFInfo
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- CN108840706A CN108840706A CN201810809045.1A CN201810809045A CN108840706A CN 108840706 A CN108840706 A CN 108840706A CN 201810809045 A CN201810809045 A CN 201810809045A CN 108840706 A CN108840706 A CN 108840706A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/18—Polyesters; Polycarbonates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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Abstract
The present invention provides a kind of preparation methods of refrigerator heat insulation material, polyvalent alcohol resin, isocyanates, polyacrylic acid are reacted first, then it is mixed again with nano silica, Concave-convex clay rod active particle, glass fibre, cinnamomum camphora sawdust, active fruit shell carbon, additive, foaming agent, mixture is foamed again, then it crushes, be granulated to get the thermal insulation material again.The preparation method of refrigerator heat insulation material of the present invention, simple process, safety non-pollution, the thermal insulation material being prepared not only have preferable thermal insulation property, also have preferable bactericidal and bacteriostatic effect and peculiar smell removal effect, are suitble to promote and apply.
Description
Technical field
The present invention relates to field of heat insulating materials, and in particular, to a kind of preparation method of refrigerator heat insulation material.
Background technique
With the development of the society, the improvement of people's living standards, refrigerator get married front yard must equipment, but since refrigerator is protected
Temp effect it is undesirable, be easy the food for making to be stored therein and occur rotten phenomenon too early, have in refrigerator inside surrounding air
The cause of diseases such as bacterium exist, and more promote the rotten of food and rot, cause to waste.
The research for being absorbed in thermal insulation material energy conservation of refrigerator etc. at present is more, but is conceived to the anti-of refrigerator thermal insulation material
The research of bacterium performance rarely has discovery.
Application No. is 201310093579.6 Chinese invention patent applications to disclose a kind of refrigerator antibacterial thermal insulation material
Formula, material prescription are made of by weight following component：PVC100 parts, AgNO310 ~ 15 part, ZnSO42 ~ 5 part, partial size 2000
5 ~ 10 parts of 1 ~ 2 part of 3 ~ 5 parts of 10 ~ 15 parts of zeolite powder, diatomite, perlite, bacterial inhibitor, the aluminate coupling agent of ~ 3000 mesh
0.5 ~ 1 part.Though inventive formulation has effects that heat preservation, sterilization, the power consumption of refrigerator can be reduced, energy conservation is good for the environment.
But research shows that human body Long Term Contact nano silver can cause certain injury even more if accidentally eating nano-Ag particles to body
The liver of human body is caused to seriously endanger.
Application No. is 201710200284.2 Chinese invention patent applications to disclose a kind of refrigerator antibacterial thermal insulation material
And preparation method, thermal insulation material include the raw material of following parts by weight：Polyurethane resin 22 ~ 39 part, are recessed through being 60 ~ 80 purposes
11 ~ 30 parts of convex stick clay, 16 ~ 35 parts of bacterial inhibitor, 14 ~ 20 parts of inorfil, 3 ~ 13 parts of polyurethane foams and Chinese herbal medicine
11 ~ 19 parts of powder mixture.Raw material obtains thermal insulation material by wet-milling, mixing, dry-pressing formed, high temperature sintering etc..The thermal insulating material
Although material has certain bactericidal effect, thermal insulation property is to be improved.
Therefore, research and develop it is a kind of not only there is preferable restraining and sterilizing bacteria effect, and human body will not be generated injury and compared with
The preparation method of the thermal insulation material of good heat insulation effect is of great significance, and meets existing market needs.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of preparation method of refrigerator heat insulation material,
Simple process, safety non-pollution, the thermal insulation material being prepared not only have preferable thermal insulation property, also have preferable sterilization
Fungistatic effect effectively improves the freshness date of refrigerator food, has preferable energy-saving effect, is suitble to promote and apply.
The present invention solves technical problem and adopts the following technical scheme that：
The present invention relates to a kind of preparation methods of refrigerator heat insulation material, include the following steps：
（1）Raw material needed for preparing refrigerator heat insulation material, each component including following parts by weight：
It is 20 ~ 30 parts of polyvalent alcohol resin, 35 ~ 50 parts of isocyanates, 8 ~ 15 parts of polyacrylic acid, 6 ~ 12 parts of nano silica, recessed
Convex 15 ~ 20 parts of stick stone clay-activity particle, 3 ~ 9 parts of glass fibre, 5 ~ 10 parts of cinnamomum camphora sawdust, 7 ~ 15 parts of active fruit shell carbon, addition
6 ~ 12 parts of agent, 1 ~ 5 part of foaming agent；
（2）Polyvalent alcohol resin, the isocyanates for weighing proportional quantity are added in reaction kettle, are warming up to 80 ~ 90 DEG C, are stirred to react
2 ~ 3h, is then added the polyacrylic acid of proportional quantity into reaction kettle again, and the reaction was continued 0.5 ~ 1h obtains reaction product a1；
（3）Weigh nano silica, the Concave-convex clay rod active particle, glass fibre, cinnamomum camphora sawdust, shell work of proportional quantity
Property charcoal be uniformly mixed, then be added 2 ~ 3h of ball mill ball milling, obtain slurry a2；
（4）Slurry a2 is stirred with additive, then by mixture be placed in ultrasonic disperse 20 under Ultrasonic Conditions ~
Then 30min is uniformly mixed again with product a1, then adds foaming agent, be uniformly mixed, obtain mixture a3；
（5）Mixture a3 is placed in mold and is foamed, then obtains foamed product a4 after room temperature curing 2h again；
（6）Foamed product is crushed, drying, is granulated to get the refrigerator heat insulation material.
Preferably, the step（1）In include following parts by weight each component：
26 parts of polyvalent alcohol resin, 46 parts of isocyanates, 12 parts of polyacrylic acid, 10 parts of nano silica, Concave-convex clay rod
18 parts of active particle, 6 parts of glass fibre, 7 parts of cinnamomum camphora sawdust, 12 parts of active fruit shell carbon, 9 parts of additive, 3 parts of foaming agent.
Preferably, the Concave-convex clay rod active particle be weathering after Concave-convex clay rod it is purified after, add
Enter in the acetic acid for being 40% ~ 50% to concentration and impregnate 30 ~ 60min, soaked Concave-convex clay rod is then placed in pressurization machine
Then tablet is placed in Muffle furnace in 600 ~ 800 DEG C of 4 ~ 5h of roasting by tabletting again, cooling, is crushed and is sieved, and control partial size is
The product that 0.3 ~ 4.5mm is obtained.
Preferably, the additive includes each component of following parts by weight：
6 ~ 12 parts of rhizome of cyrtomium, 10 ~ 16 parts of Radix Glycyrrhizae, 7 ~ 15 parts of folium artemisiae argyi, 2 ~ 7 parts of the excessive leaves of pulse plants of sheep, 3 ~ 9 parts of clove seed, 10 ~ 17 parts of honeysuckle,
3 ~ 7 parts of fennel, 5 ~ 10 parts of betel nut, 2 ~ 7 parts of scutellaria, 8 ~ 15 parts of peppermint.
Further, the preparation method of the additive includes：
It weighs each herbal component respectively according to the proportion, crushes and cross 80 meshes, be uniformly mixed, obtain mixed powder, then will
It is 1 that mixed powder, which is placed in volume ratio,:In 1 ethyl alcohol and the mixed solution of water, it is heated to reflux 5 ~ 6h, is filtered while hot, takes filtrate, it is cold
But, solvent is removed, mixture extract powder, as additive are obtained.
Preferably, the foaming agent is any one of petroleum ether, normal heptane, water, pentane.
Preferably, the active fruit shell carbon is the production that walnut shell is refining to obtain through charing, activation, superheated steam Catalytic processes
Object.
Preferably, the step（3）The water of 1 ~ 2 times of mixture gross mass amount need to be added when middle mixture ball milling.
Preferably, the step（3）In be milled to partial size be 60 ~ 80 mesh.
Preferably, the step（5）Middle blowing temperature control is at 50 ~ 55 DEG C.
Compared with prior art, the present invention has following beneficial effect：
（1）The preparation method of refrigerator heat insulation material of the present invention, simple process, safety non-pollution, the guarantor being prepared
Adiabator not only has preferable thermal insulation property, also has preferable bactericidal and bacteriostatic effect, effectively improves the fresh-keeping of refrigerator food
Phase has preferable energy-saving effect, in addition, also having preferable peculiar smell removal effect, is suitble to promote and apply.
（2）In the preparation method of refrigerator heat insulation material of the present invention be added with polyacrylic acid, have good fluidity,
The strong feature of cohesive force improves the dispersing uniformity between each component and being firmly bonded property.
（3）The Concave-convex clay rod active particle added in the preparation method of refrigerator heat insulation material of the present invention,
Due to the distinctive chain layer structure of Concave-convex clay rod itself and biggish specific surface area, make it have preferable absorption property and
Heat-proof quality is prepared into active particle, substantially increases the absorption property and heat preservation and insulation of thermal insulation material, so that in
Chinese herbal medicine additive agent uniform adsorption improves the dispersing uniformity of additive on Concave-convex clay rod surface；It is assisted in active fruit shell carbon
Same-action effectively removes refrigerator peculiar smell, energy-saving consumption-reducing.
（4）The active fruit shell carbon added in the preparation method of refrigerator heat insulation material of the present invention has wear-resistant strength
The advantages that good, gap prosperity, absorption property height, intensity height, easy regeneration, economy and durability, work is cooperateed with glass fibre, cinnamomum camphora sawdust
With so that thermal insulation material not only has preferable intensity, preferable heat insulation effect, moreover it is possible to effectively remove refrigerator peculiar smell, mention significantly
The freshness date of high refrigerator food materials.
（5）The Chinese herbal medicine extract additive added in the preparation method of refrigerator heat insulation material of the present invention, energy
The phenomenon that reaching the growth for effectively inhibiting bacterium, mould in refrigerator, avoiding the food decay as caused by bacteria breed generation, extends
Food fresh keeping phase, and the Chinese herbal medicine fragrance given out, it is able to maintain the pure and fresh free from extraneous odour of refrigerator environment, it is dry to build health for people
Net living environment provides condition.
Specific embodiment
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1：
The present embodiment is related to a kind of preparation method of refrigerator heat insulation material；
The preparation method of the refrigerator heat insulation material, includes the following steps：
（1）Raw material needed for preparing refrigerator heat insulation material, each component including following parts by weight：
26 parts of polyvalent alcohol resin, 46 parts of isocyanates, 12 parts of polyacrylic acid, 10 parts of nano silica, Concave-convex clay rod
18 parts of active particle, 6 parts of glass fibre, 7 parts of cinnamomum camphora sawdust, 12 parts of active fruit shell carbon, 9 parts of additive, 3 parts of foaming agent；
（2）Polyvalent alcohol resin, the isocyanates for weighing proportional quantity are added in reaction kettle, are warming up to 80 DEG C, are stirred to react 3h,
Then the polyacrylic acid of proportional quantity is added into reaction kettle again, the reaction was continued 1h obtains reaction product a1；
（3）Weigh nano silica, the Concave-convex clay rod active particle, glass fibre, cinnamomum camphora sawdust, shell work of proportional quantity
Property charcoal be uniformly mixed, then be added ball mill ball milling 3h, obtain slurry a2；
（4）Slurry a2 is stirred with additive, mixture is then placed in ultrasonic disperse under Ultrasonic Conditions
Then 30min is uniformly mixed again with product a1, then adds foaming agent, be uniformly mixed, obtain mixture a3；
（5）Mixture a3 is placed in mold and is foamed, then obtains foamed product a4 after room temperature curing 2h again；
（6）Foamed product is crushed, drying, is granulated to get the refrigerator heat insulation material.
Wherein, the Concave-convex clay rod active particle be weathering after Concave-convex clay rod it is purified after, be added
60min is impregnated in the acetic acid for being 40% to concentration, soaked Concave-convex clay rod is then placed in pressurization machine tabletting, then
Tablet is placed in Muffle furnace in 800 DEG C of roasting 5h again, it is cooling, it crushes and sieves, control partial size is the production that 2.5mm is obtained
Object.
Wherein, the additive includes each component of following parts by weight：
8 parts of rhizome of cyrtomium, 15 parts of Radix Glycyrrhizae, 12 parts of folium artemisiae argyi, 3 parts of the excessive leaves of pulse plants of sheep, 5 parts of clove seed, 12 parts of honeysuckle, 5 parts of fennel, 8 parts of betel nut,
5 parts of scutellaria, 12 parts of peppermint.
Further, the preparation method of the additive includes：
It weighs each herbal component respectively according to the proportion, crushes and cross 80 meshes, be uniformly mixed, obtain mixed powder, then will
It is 1 that mixed powder, which is placed in volume ratio,:In 1 ethyl alcohol and the mixed solution of water, it is heated to reflux 6h, is filtered while hot, takes filtrate, it is cold
But, solvent is removed, mixture extract powder, as additive are obtained.
Wherein, the foaming agent is normal heptane.
Wherein, the active fruit shell carbon is the production that walnut shell is refining to obtain through charing, activation, superheated steam Catalytic processes
Object.
Wherein, the step（3）The water of 2 times of mixture gross mass amounts need to be added when middle mixture ball milling.
Wherein, the step（3）In be milled to partial size be 80 mesh.
Wherein, the step（5）Middle blowing temperature control is at 55 DEG C.
Embodiment 2：
The present embodiment is related to a kind of preparation method of refrigerator heat insulation material；
The preparation method of the refrigerator heat insulation material, includes the following steps：
（1）Raw material needed for preparing refrigerator heat insulation material, each component including following parts by weight：
20 parts of polyvalent alcohol resin, 35 parts of isocyanates, 8 parts of polyacrylic acid, 6 parts of nano silica, Concave-convex clay rod are living
Property 15 parts of particle, 3 parts of glass fibre, 5 parts of cinnamomum camphora sawdust, 7 parts of active fruit shell carbon, 6 parts of additive, 1 part of foaming agent；
（2）Polyvalent alcohol resin, the isocyanates for weighing proportional quantity are added in reaction kettle, are warming up to 80 DEG C, are stirred to react 2h,
Then the polyacrylic acid of proportional quantity is added into reaction kettle again, the reaction was continued 0.5h obtains reaction product a1；
（3）Weigh nano silica, the Concave-convex clay rod active particle, glass fibre, cinnamomum camphora sawdust, shell work of proportional quantity
Property charcoal be uniformly mixed, then be added ball mill ball milling 2h, obtain slurry a2；
（4）Slurry a2 is stirred with additive, mixture is then placed in ultrasonic disperse under Ultrasonic Conditions
Then 20min is uniformly mixed again with product a1, then adds foaming agent, be uniformly mixed, obtain mixture a3；
（5）Mixture a3 is placed in mold and is foamed, then obtains foamed product a4 after room temperature curing 2h again；
（6）Foamed product is crushed, drying, is granulated to get the refrigerator heat insulation material.
Wherein, the Concave-convex clay rod active particle be weathering after Concave-convex clay rod it is purified after, be added
60min is impregnated in the acetic acid for being 40% to concentration, soaked Concave-convex clay rod is then placed in pressurization machine tabletting, then
Tablet is placed in Muffle furnace in 600 DEG C of roasting 5h again, it is cooling, it crushes and sieves, control partial size is the production that 0.3mm is obtained
Object.
Wherein, the additive includes each component of following parts by weight：
6 parts of rhizome of cyrtomium, 10 parts of Radix Glycyrrhizae, 7 parts of folium artemisiae argyi, 2 parts of the excessive leaves of pulse plants of sheep, 3 parts of clove seed, 10 parts of honeysuckle, 3 parts of fennel, 5 parts of betel nut,
2 parts of scutellaria, 8 parts of peppermint.
Further, the preparation method of the additive includes：
It weighs each herbal component respectively according to the proportion, crushes and cross 80 meshes, be uniformly mixed, obtain mixed powder, then will
It is 1 that mixed powder, which is placed in volume ratio,:In 1 ethyl alcohol and the mixed solution of water, it is heated to reflux 5h, is filtered while hot, takes filtrate, it is cold
But, solvent is removed, mixture extract powder, as additive are obtained.
Wherein, the foaming agent is petroleum ether.
Wherein, the active fruit shell carbon is the production that walnut shell is refining to obtain through charing, activation, superheated steam Catalytic processes
Object.
Wherein, the step（3）The water of 1 times of mixture gross mass amount need to be added when middle mixture ball milling.
Wherein, the step（3）In be milled to partial size be 60 mesh.
Wherein, the step（5）Middle blowing temperature control is at 50 DEG C.
Embodiment 3：
The present embodiment is related to a kind of preparation method of refrigerator heat insulation material；
The preparation method of the refrigerator heat insulation material, includes the following steps：
（1）Raw material needed for preparing refrigerator heat insulation material, each component including following parts by weight：
30 parts of polyvalent alcohol resin, 50 parts of isocyanates, 15 parts of polyacrylic acid, 12 parts of nano silica, Concave-convex clay rod
20 parts of active particle, 9 parts of glass fibre, 10 parts of cinnamomum camphora sawdust, 15 parts of active fruit shell carbon, 12 parts of additive, 5 parts of foaming agent；
（2）Polyvalent alcohol resin, the isocyanates for weighing proportional quantity are added in reaction kettle, are warming up to 90 DEG C, are stirred to react 3h,
Then the polyacrylic acid of proportional quantity is added into reaction kettle again, the reaction was continued 1h obtains reaction product a1；
（3）Weigh nano silica, the Concave-convex clay rod active particle, glass fibre, cinnamomum camphora sawdust, shell work of proportional quantity
Property charcoal be uniformly mixed, then be added ball mill ball milling 3h, obtain slurry a2；
（4）Slurry a2 is stirred with additive, mixture is then placed in ultrasonic disperse under Ultrasonic Conditions
Then 30min is uniformly mixed again with product a1, then adds foaming agent, be uniformly mixed, obtain mixture a3；
（5）Mixture a3 is placed in mold and is foamed, then obtains foamed product a4 after room temperature curing 2h again；
（6）Foamed product is crushed, drying, is granulated to get the refrigerator heat insulation material.
Wherein, the Concave-convex clay rod active particle be weathering after Concave-convex clay rod it is purified after, be added
30min is impregnated in the acetic acid for being 50% to concentration, soaked Concave-convex clay rod is then placed in pressurization machine tabletting, then
Tablet is placed in Muffle furnace in 800 DEG C of roasting 4h again, it is cooling, it crushes and sieves, control partial size is the production that 4.5mm is obtained
Object.
Wherein, the additive includes each component of following parts by weight：
12 parts of rhizome of cyrtomium, 16 parts of Radix Glycyrrhizae, 15 parts of folium artemisiae argyi, 7 parts of the excessive leaves of pulse plants of sheep, 9 parts of clove seed, 17 parts of honeysuckle, 7 parts of fennel, betel nut 10
Part, 7 parts of scutellaria, 15 parts of peppermint.
Further, the preparation method of the additive includes：
It weighs each herbal component respectively according to the proportion, crushes and cross 80 meshes, be uniformly mixed, obtain mixed powder, then will
It is 1 that mixed powder, which is placed in volume ratio,:In 1 ethyl alcohol and the mixed solution of water, it is heated to reflux 6h, is filtered while hot, takes filtrate, it is cold
But, solvent is removed, mixture extract powder, as additive are obtained.
Wherein, the foaming agent is pentane.
Wherein, the active fruit shell carbon is the production that walnut shell is refining to obtain through charing, activation, superheated steam Catalytic processes
Object.
Wherein, the step（3）The water of 2 times of mixture gross mass amounts need to be added when middle mixture ball milling.
Wherein, the step（3）In be milled to partial size be 80 mesh.
Wherein, the step（5）Middle blowing temperature control is at 55 DEG C.
Comparative example：
Thermal insulation material is prepared according to the method for the Chinese invention patent application application No. is 201710200284.2.
Test：
According to GB10294-2008《Steady state heat resistance and measurement Guarded hot plate in relation to characteristic》,GB/T8059 1-1995《Household
Refrigerating appliance refrigerating box》The heat preservation that the thermal insulation material and comparative example method be prepared to the embodiment of the present invention 1 ~ 3 is prepared
Material is tested for the property, and concrete outcome is as shown in the table：
| Project | Thermal coefficient W/（m*K） | Germicidal levels | Mould proof grade | Peculiar smell removal rate % |
| Embodiment 1 | 0.042 | A | 0 | 96 |
| Embodiment 2 | 0.046 | A | 0 | 95 |
| Embodiment 3 | 0.045 | A | 0 | 97 |
| Comparative example | 0.37 | B | 1 | 78 |
As seen from the above table, the thermal insulation material that the embodiment of the present invention 1 ~ 3 is prepared is led compared with thermal insulation material prepared by comparative example
Hot coefficient is substantially reduced, and is illustrated that the thermal and insulating performance of thermal insulation material of the invention has and is significantly improved, and the present invention is prepared into
To the germicidal levels of thermal insulation material reach A grades, mould proof grade reaches 0 grade, compares comparative example, imitates with excellent fungus and mildew resistance
Fruit；In addition, the peculiar smell removal rate for the thermal insulation material that the present invention is prepared reaches 90% or more, hence it is evident that be better than comparative example, there is meaning
Technical effect unexpectedly, greatly reduces energy consumption.
In conclusion the preparation method of refrigerator heat insulation material of the present invention, simple process, safety non-pollution, system
Standby obtained thermal insulation material not only has preferable thermal insulation property, also has preferable bactericidal and bacteriostatic effect, effectively improves refrigerator
The freshness date of food has preferable energy-saving effect, in addition, also having preferable peculiar smell removal effect, is suitble to promote and apply.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of preparation method of refrigerator heat insulation material, which is characterized in that include the following steps：
（1）Raw material needed for preparing refrigerator heat insulation material, each component including following parts by weight：
It is 20 ~ 30 parts of polyvalent alcohol resin, 35 ~ 50 parts of isocyanates, 8 ~ 15 parts of polyacrylic acid, 6 ~ 12 parts of nano silica, recessed
Convex 15 ~ 20 parts of stick stone clay-activity particle, 3 ~ 9 parts of glass fibre, 5 ~ 10 parts of cinnamomum camphora sawdust, 7 ~ 15 parts of active fruit shell carbon, addition
6 ~ 12 parts of agent, 1 ~ 5 part of foaming agent；
（2）Polyvalent alcohol resin, the isocyanates for weighing proportional quantity are added in reaction kettle, are warming up to 80 ~ 90 DEG C, are stirred to react
2 ~ 3h, is then added the polyacrylic acid of proportional quantity into reaction kettle again, and the reaction was continued 0.5 ~ 1h obtains reaction product a1；
（3）Weigh nano silica, the Concave-convex clay rod active particle, glass fibre, cinnamomum camphora sawdust, shell work of proportional quantity
Property charcoal be uniformly mixed, then be added 2 ~ 3h of ball mill ball milling, obtain slurry a2；
（4）Slurry a2 is stirred with additive, then by mixture be placed in ultrasonic disperse 20 under Ultrasonic Conditions ~
Then 30min is uniformly mixed again with product a1, then adds foaming agent, be uniformly mixed, obtain mixture a3；
（5）Mixture a3 is placed in mold and is foamed, then obtains foamed product a4 after room temperature curing 2h again；
（6）Foamed product is crushed, drying, is granulated to get the refrigerator heat insulation material.
2. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the step（1）Middle packet
Include each component of following parts by weight：
26 parts of polyvalent alcohol resin, 46 parts of isocyanates, 12 parts of polyacrylic acid, 10 parts of nano silica, Concave-convex clay rod
18 parts of active particle, 6 parts of glass fibre, 7 parts of cinnamomum camphora sawdust, 12 parts of active fruit shell carbon, 9 parts of additive, 3 parts of foaming agent.
3. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the Concave-convex clay rod
Active particle be weathering after Concave-convex clay rod it is purified after, be added to concentration be 40% ~ 50% acetic acid in impregnate 30 ~
60min, then by soaked Concave-convex clay rod be placed in pressurization machine tabletting, then again by tablet be placed in Muffle furnace in
600 ~ 800 DEG C of 4 ~ 5h of roasting, it is cooling, it crushes and sieves, control partial size is the product that 0.3 ~ 4.5mm is obtained.
4. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the additive includes such as
The each component of lower parts by weight：
6 ~ 12 parts of rhizome of cyrtomium, 10 ~ 16 parts of Radix Glycyrrhizae, 7 ~ 15 parts of folium artemisiae argyi, 2 ~ 7 parts of the excessive leaves of pulse plants of sheep, 3 ~ 9 parts of clove seed, 10 ~ 17 parts of honeysuckle,
3 ~ 7 parts of fennel, 5 ~ 10 parts of betel nut, 2 ~ 7 parts of scutellaria, 8 ~ 15 parts of peppermint.
5. the preparation method of refrigerator heat insulation material according to claim 4, which is characterized in that the preparation of the additive
Method includes：
It weighs each herbal component respectively according to the proportion, crushes and cross 80 meshes, be uniformly mixed, obtain mixed powder, then will
It is 1 that mixed powder, which is placed in volume ratio,:In 1 ethyl alcohol and the mixed solution of water, it is heated to reflux 5 ~ 6h, is filtered while hot, takes filtrate, it is cold
But, solvent is removed, mixture extract powder, as additive are obtained.
6. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the foaming agent is petroleum
Any one of ether, normal heptane, water, pentane.
7. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the active fruit shell carbon is
The product that walnut shell is refining to obtain through charing, activation, superheated steam Catalytic processes.
8. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the step（3）In mix
The water of 1 ~ 2 times of mixture gross mass amount need to be added when closing object ball milling.
9. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the step（3）Middle ball
Being milled to partial size is 60 ~ 80 mesh.
10. the preparation method of refrigerator heat insulation material according to claim 1, which is characterized in that the step（5）Middle hair
Temperature control is steeped at 50 ~ 55 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810809045.1A CN108840706A (en) | 2018-07-23 | 2018-07-23 | A kind of preparation method of refrigerator heat insulation material |
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| CN201810809045.1A CN108840706A (en) | 2018-07-23 | 2018-07-23 | A kind of preparation method of refrigerator heat insulation material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549718A (en) * | 2020-12-08 | 2021-03-26 | 中国农业科学院农产品加工研究所 | Day and night filtering diffraction resistance-inducing, anti-bacteria and metabolism-regulating preservative film for leaf vegetables |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106519646A (en) * | 2016-10-28 | 2017-03-22 | 青岛海之源智能技术有限公司 | Bacteriostatic polyurethane foaming plastic and preparation method thereof |
| CN106810294A (en) * | 2017-03-17 | 2017-06-09 | 山东卓联环保科技有限公司 | The system and method that a kind of utilization solid waste prepares environment protection architecture sheet material |
| JP2017109150A (en) * | 2015-12-15 | 2017-06-22 | 旭ファイバーグラス株式会社 | Gas adsorbent |
| CN107082650A (en) * | 2017-03-30 | 2017-08-22 | 合肥金同维低温科技有限公司 | A kind of refrigerator antibacterial insulation material and preparation method |
| CN107162490A (en) * | 2017-07-18 | 2017-09-15 | 合肥万之景门窗有限公司 | A kind of external-wall heat-insulation material and preparation method |
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| JP2017109150A (en) * | 2015-12-15 | 2017-06-22 | 旭ファイバーグラス株式会社 | Gas adsorbent |
| CN106519646A (en) * | 2016-10-28 | 2017-03-22 | 青岛海之源智能技术有限公司 | Bacteriostatic polyurethane foaming plastic and preparation method thereof |
| CN106810294A (en) * | 2017-03-17 | 2017-06-09 | 山东卓联环保科技有限公司 | The system and method that a kind of utilization solid waste prepares environment protection architecture sheet material |
| CN107082650A (en) * | 2017-03-30 | 2017-08-22 | 合肥金同维低温科技有限公司 | A kind of refrigerator antibacterial insulation material and preparation method |
| CN107162490A (en) * | 2017-07-18 | 2017-09-15 | 合肥万之景门窗有限公司 | A kind of external-wall heat-insulation material and preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112549718A (en) * | 2020-12-08 | 2021-03-26 | 中国农业科学院农产品加工研究所 | Day and night filtering diffraction resistance-inducing, anti-bacteria and metabolism-regulating preservative film for leaf vegetables |
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