CN106633618A - Preparation method of high-strength chalking-resistant phenolic heat insulating material - Google Patents
Preparation method of high-strength chalking-resistant phenolic heat insulating material Download PDFInfo
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- CN106633618A CN106633618A CN201610990395.3A CN201610990395A CN106633618A CN 106633618 A CN106633618 A CN 106633618A CN 201610990395 A CN201610990395 A CN 201610990395A CN 106633618 A CN106633618 A CN 106633618A
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a preparation method of a high-strength chalking-resistant phenolic heat insulating material, and belongs to the technical field of the preparation of phenolic heat insulating materials. According to the preparation method, quick lime is enabled to react with water, then nano silicon dioxide is added into an obtained first mixture, so as to make lime paste, afterwards, the lime paste and straw are paved at intervals, then an obtained second mixture is sealed and fermented to make the straw decompose, afterwards, KH-560 is added into the second mixture for modification, an obtained third mixture is added into phenolic resin after being centrifugally oven-dried, and an obtained fourth mixture is mixed and foamed to obtain the high-strength chalking-resistant phenolic heat insulating material. According to the preparation method, a fermented substance, which is modified by a silane coupling agent, of the quick lime and the straw is utilized as a reinforcement, by utilizing the mediation effect of the silane coupling agent, the phenolic resin is connected with the reinforcement by a chemical bond, the cross-linking degree of the phenolic resin is improved, thus, the strength of the material is improved, and the problem that conventional phenolic resin is easy to chalk and invalidate is effectively solved.
Description
Technical field
The present invention relates to a kind of preparation method of the resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity, belongs to phenolic aldehyde thermal insulation material preparation
Technical field.
Background technology
Insulation material is to be used to control the material of Indoor Thermal amount outflow in building, is generally divided into two classes：Inorganic heat preservation material
Material and organic insulation material.Inorganic heat insulation material production and processing energy consumption is big, and round-the-clock life-time service heat insulation effect is unstable, insulation
Efficiency is low, complicated construction technique, and especially materials'use and offal treatment are harmful to environment and human body, therefore, it is difficult to meeting real
The application requirement on border, and organic insulation material such as polyurethane foam, styrofoam etc., lightweight due to its, good heat insulating is obtained
It is widely applied.
Phenolic aldehyde thermal insulation material belongs to organic insulation material, is one kind most rising in building ranks generally acknowledged in the world
Heat insulating material, it not only has the good advantage of the good heatproof combustion resistance of heat insulation property, and its good stability of the dimension, low cigarette concurrently
Low toxicity, is insulation material with fastest developing speed.It is widely used in large cold storage, basin, ship and various utilidors and civilian builds
Build.Phenolic aldehyde thermal insulation material is with various things such as phenolic resin and fire retardant, smoke suppressant, firming agent, foaming agent and other auxiliary agents
Matter is raw material, obturator-type rigid foam made by Jing scientific formulas.The abundant raw material source of phenolic aldehyde thermal insulation material, price is low
It is honest and clean, and production and processing is simple, and product purpose is extensive.But phenolic aldehyde thermal insulation material causes material because of easy efflorescence in use
Material intensity declines, and affects the problem in materials'use life-span.Therefore on this basis a kind of resistance to efflorescence of high intensity is prepared in research
Phenolic aldehyde thermal insulation material, has good development prospect and social benefit in association area.
The content of the invention
The technical problem to be solved：For traditional phenolic aldehyde thermal insulation material in use because of easy efflorescence
Cause the strength of materials to decline, affect the problem in materials'use life-span, there is provided one kind is with silane coupler modified Caulis et Folium Oryzae and Calx
Cream fermented product, then the method that the resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity is obtained with thermosetting phenolic resin mixed foaming.The present invention
First nano silicon will be added after quick lime and water reaction, lime paste is obtained, then after lime paste and Caulis et Folium Oryzae interval are mated formation
Sealing and fermenting make Caulis et Folium Oryzae rot, then add KH-560 be modified, Jing centrifugation drying after add into phenolic resin, mixed foaming is obtained
The resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity.The present invention utilizes silane coupler modified lime paste and rice straw fermented thing, used as increasing
Qiang Ti, using the instrumentality of silane coupler, is connected phenolic resin with reinforcement with chemical bond, improves phenolic resin crosslinking
Degree, so as to improve the strength of materials, efficiently solves the problems, such as the easy efflorescence of traditional phenolic resin and fails.
To solve above-mentioned technical problem, the present invention is using technical scheme as described below：
（1）Weigh 1～3kg quick lime, in pouring the Plastic Drum for filling 3～5L deionized waters into, with waddy stirring reaction 10～
15min, after naturally cool to room temperature, adds 300～500g nano silicons, continues to stir 10～15min of mixing, must mix
Miscellaneous nano silicon lime paste；
（2）300～500g Caulis et Folium Oryzaes are weighed, with the Caulis et Folium Oryzae chip that chopper cut growth is 3～5cm, Caulis et Folium Oryzae chip is collected, and is spent
Ionized water soaks 3～5h, subsequently that Caulis et Folium Oryzae chip is evenly laid out in glass pot bottom, and it is 3～5cm to control pavement thickness, then
Caulis et Folium Oryzae chip surface paving thick layer is the above-mentioned gained mixed with nano-silicon dioxide lime paste of 2～4cm, and so on, one layer of rice
Careless one layer of lime paste up adds, until it reaches the 1/2 of glass tank volume, then injects deionized water along glass top tank structure, until
Deionized water is flooded completely in glass jar stacks thing, subsequently by glass jar sealing and fermenting 20～30 days；
（3）Fermentation ends are treated, material in glass jar is poured in Plastic Drum, then be separately added into 30～50g brown sugar (Saccharum Sinensis Roxb.)s, 30～50g
Silane coupler KH-560, with blender with 600～800r/min rotating speed 2～4h of stirring reaction, subsequently by material in Plastic Drum
Centrifuge is proceeded to, with 5000～7000r/min rotating speed 15～20min of centrifugation, the supernatant is discarded, lower sediment is collected
Thing, and lower sediment thing is placed in baking oven, 60～90min is dried under the conditions of temperature is for 105～110 DEG C, then Jing mortars grind
20～30min of mill, obtains dried object powder；
（4）Count by weight, 100～120 parts of thermosetting phenolic resins, 8～10 parts of above-mentioned gained are sequentially added in flask
Dried object powder, 3～5 parts of pentanes, 2～4 parts of Tween-60s, 2～6 parts of deionized waters, 1～3 part of mass fraction is 85% phosphoric acid,
2～6 parts of p-methyl benzenesulfonic acid, then flask is placed in sonic oscillation instrument, in power be supersound process 20 under the conditions of 200～300W～
30s, subsequently pours material in flask in mould into, then mould is proceeded in baking oven, solidifies under the conditions of temperature is for 80～85 DEG C
45～60min of foaming, the demoulding, after naturally cool to room temperature, obtains final product the resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity.
The application process of the present invention：From the bottom to top from the beginning of support zone, will with external wall outer insulation polymer bonding mortar
The obtained resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity of the invention is pasted on metope, controls phenolic aldehyde thermal insulation material bond area for 35
～40%, subsequently in phenolic aldehyde thermal insulation material surface 4～6 bar for lines of per square metre of nail, nail system finishes, phenolic aldehyde thermal insulation material is smeared
After red dog is surface-treated, whole surface is applied with rustless steel spatula scrapes finishing mucilage, 1.2～1.4mm of thickness is scraped in control painting,
Air-dry.Phenolic aldehyde thermal insulation material intensity of the present invention is high, 30～32% is improve than traditional phenolic aldehyde thermal insulation material, with preferable
Heat-insulating property, heat conductivity is 0.021～0.023W/（m·k）, occurring without powder phenomenon-tion during use, service life extends
3～5 years, it is worthy to be popularized and uses.
Compared with additive method, Advantageous Effects are the present invention：
（1）Preparation process of the present invention is simple, and gained phenolic aldehyde thermal insulation material intensity is high, can be effectively improved during its use easy efflorescence
Problem；
（2）Phenolic aldehyde thermal insulation material of the present invention has preferable chalking resistance, improves than traditional phenolic aldehyde thermal insulation material chalking resistance
25～32%, can increase the service life 3～5 years.
Specific embodiment
1～3kg quick lime is weighed first, in pouring the Plastic Drum for filling 3～5L deionized waters into, with waddy stirring reaction 10
～15min, after naturally cool to room temperature, adds 300～500g nano silicons, continues to stir 10～15min of mixing, obtains
Mixed with nano-silicon dioxide lime paste；300～500g Caulis et Folium Oryzaes are weighed again, with the Caulis et Folium Oryzae chip that chopper cut growth is 3～5cm,
Caulis et Folium Oryzae chip is collected, and deionized water soaks 3～5h, it is subsequently that Caulis et Folium Oryzae chip is evenly laid out in glass pot bottom, control paving
Dress thickness is 3～5cm, then spreads the above-mentioned gained mixed with nano-silicon dioxide Calx that thick layer is 2～4cm in Caulis et Folium Oryzae chip surface
Cream, and so on, one layer of Caulis et Folium Oryzae, one layer of lime paste up adds, until it reaches the 1/2 of glass tank volume, then along glass top tank structure
Injection deionized water, until deionized water is flooded completely in glass jar stacks thing, subsequently by glass jar sealing and fermenting 20～30 days；
Then fermentation ends are treated, material in glass jar is poured in Plastic Drum, then be separately added into 30～50g brown sugar (Saccharum Sinensis Roxb.)s, 30～50g silane
Coupling agent KH-560, with blender with 600～800r/min rotating speed 2～4h of stirring reaction, subsequently proceeds to material in Plastic Drum
Centrifuge, with 5000～7000r/min rotating speed 15～20min of centrifugation, discards the supernatant, collects lower sediment thing, and
Lower sediment thing is placed in baking oven, dry 60～90min under the conditions of temperature is for 105～110 DEG C, then Jing mortar grinders 20～
30min, obtains dried object powder；Finally count by weight, 100～120 parts of thermosetting phenolic resins sequentially added in flask,
8～10 parts of above-mentioned gained dried object powder, 3～5 parts of pentanes, 2～4 parts of Tween-60s, 2～6 parts of deionized waters, 1～3 part of matter
Amount fraction is 85% phosphoric acid, 2～6 parts of p-methyl benzenesulfonic acid, then flask is placed in sonic oscillation instrument, in power be 200～300W bars
20～30s of supersound process under part, subsequently pours material in flask in mould into, then mould is proceeded in baking oven, in temperature be 80
45～60min of solidification foaming under the conditions of～85 DEG C, the demoulding, after naturally cool to room temperature, obtains final product the high intensity phenolic aldehyde heat preserving of resistance to efflorescence
Material.
Example 1
1kg quick lime is weighed first, in pouring the Plastic Drum for filling 3L deionized waters into, with waddy stirring reaction 10min, treats nature
Room temperature is cooled to, 300g nano silicons are added, continues to stir mixing 10min, obtain mixed with nano-silicon dioxide lime paste；
300g Caulis et Folium Oryzaes are weighed again, with the Caulis et Folium Oryzae chip that chopper cut growth is 3cm, collect Caulis et Folium Oryzae chip, and deionized water immersion 3h,
Subsequently that Caulis et Folium Oryzae chip is evenly laid out in glass pot bottom, it is 3cm to control pavement thickness, then spreads thick layer in Caulis et Folium Oryzae chip surface
For the above-mentioned gained mixed with nano-silicon dioxide lime paste of 2cm, and so on, one layer of Caulis et Folium Oryzae, one layer of lime paste up adds, directly
To reaching the 1/2 of glass tank volume, then deionized water is injected along glass top tank structure, until deionized water is flooded completely in glass jar
Thing is stacked, subsequently by glass jar sealing and fermenting 20 days；Then fermentation ends are treated, material in glass jar is poured in Plastic Drum, then
30g brown sugar (Saccharum Sinensis Roxb.)s are separately added into, 30g silane coupler KH-560, with blender with 600r/min rotating speed stirring reactions 2h, subsequently will
Material proceeds to centrifuge in Plastic Drum, with 5000r/min rotating speed centrifugation 15min, discards the supernatant, collects lower sediment
Thing, and lower sediment thing is placed in baking oven, 60min, then Jing mortar grinder 20min are dried under the conditions of temperature is for 105 DEG C, obtain
Dried object powder；Finally count by weight, 100 parts of thermosetting phenolic resins are sequentially added in flask, 8 parts of above-mentioned gained are done
Dry thing powder, 3 parts of pentanes, 2 parts of Tween-60s, 2 parts of deionized waters, 1 part of mass fraction is 85% phosphoric acid, 2 parts of p-methyl benzenesulfonic acid,
Flask is placed in sonic oscillation instrument again, is supersound process 20s under the conditions of 200W in power, subsequently pour material in flask into mould
In tool, then mould is proceeded in baking oven, solidification foaming 45min, the demoulding, after naturally cool to room under the conditions of temperature is for 80 DEG C
Temperature, obtains final product the resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity.
From the bottom to top from the beginning of support zone, with external wall outer insulation polymer bonding mortar by high intensity obtained in the present invention
Resistance to efflorescence phenolic aldehyde thermal insulation material is pasted on metope, and it is 35% to control phenolic aldehyde thermal insulation material bond area, subsequently in phenolic aldehyde heat preserving material
Per square metre of surface of material 4 bar for lines of nail, nail system is finished, after being surface-treated to the phenolic aldehyde thermal insulation material face of plastering, with stainless
Steel spatula is applied to whole surface and scrapes finishing mucilage, and thickness 1.2mm is scraped in control painting, is air-dried.Phenolic aldehyde thermal insulation material of the present invention is strong
Degree is high, and than traditional phenolic aldehyde thermal insulation material 30% is improve, and with preferable heat-insulating property, heat conductivity is 0.021W/（m·k）,
Service life is extended 3 years, is occurred without powder phenomenon-tion during use, is worthy to be popularized and is used.
Example 2
2kg quick lime is weighed first, in pouring the Plastic Drum for filling 4L deionized waters into, with waddy stirring reaction 13min, treats nature
Room temperature is cooled to, 400g nano silicons are added, continues to stir mixing 13min, obtain mixed with nano-silicon dioxide lime paste；
400g Caulis et Folium Oryzaes are weighed again, with the Caulis et Folium Oryzae chip that chopper cut growth is 4cm, collect Caulis et Folium Oryzae chip, and deionized water immersion 4h,
Subsequently that Caulis et Folium Oryzae chip is evenly laid out in glass pot bottom, it is 4cm to control pavement thickness, then spreads thick layer in Caulis et Folium Oryzae chip surface
For the above-mentioned gained mixed with nano-silicon dioxide lime paste of 3cm, and so on, one layer of Caulis et Folium Oryzae, one layer of lime paste up adds, directly
To reaching the 1/2 of glass tank volume, then deionized water is injected along glass top tank structure, until deionized water is flooded completely in glass jar
Thing is stacked, subsequently by glass jar sealing and fermenting 25 days；Then fermentation ends are treated, material in glass jar is poured in Plastic Drum, then
40g brown sugar (Saccharum Sinensis Roxb.)s are separately added into, 40g silane coupler KH-560, with blender with 700r/min rotating speed stirring reactions 3h, subsequently will
Material proceeds to centrifuge in Plastic Drum, with 6000r/min rotating speed centrifugation 18min, discards the supernatant, collects lower sediment
Thing, and lower sediment thing is placed in baking oven, 75min, then Jing mortar grinder 25min are dried under the conditions of temperature is for 108 DEG C, obtain
Dried object powder；Finally count by weight, 110 parts of thermosetting phenolic resins are sequentially added in flask, 9 parts of above-mentioned gained are done
Dry thing powder, 4 parts of pentanes, 3 parts of Tween-60s, 4 parts of deionized waters, 2 parts of mass fractions are 85% phosphoric acid, 4 parts of p-methyl benzenesulfonic acid,
Flask is placed in sonic oscillation instrument again, is supersound process 25s under the conditions of 250W in power, subsequently pour material in flask into mould
In tool, then mould is proceeded in baking oven, solidification foaming 52min, the demoulding, after naturally cool to room under the conditions of temperature is for 83 DEG C
Temperature, obtains final product the resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity.
From the bottom to top from the beginning of support zone, with external wall outer insulation polymer bonding mortar by high intensity obtained in the present invention
Resistance to efflorescence phenolic aldehyde thermal insulation material is pasted on metope, and it is 38% to control phenolic aldehyde thermal insulation material bond area, subsequently in phenolic aldehyde heat preserving material
Per square metre of surface of material 5 bar for lines of nail, nail system is finished, after being surface-treated to the phenolic aldehyde thermal insulation material face of plastering, with stainless
Steel spatula is applied to whole surface and scrapes finishing mucilage, and thickness 1.3mm is scraped in control painting, is air-dried.Phenolic aldehyde thermal insulation material of the present invention is strong
Degree is high, and than traditional phenolic aldehyde thermal insulation material 31% is improve, and with preferable heat-insulating property, heat conductivity is 0.022W/（m·k）,
Occur without powder phenomenon-tion during use, service life extends 4 years, is worthy to be popularized and uses.
Example 3
3kg quick lime is weighed first, in pouring the Plastic Drum for filling 5L deionized waters into, with waddy stirring reaction 15min, treats nature
Room temperature is cooled to, 500g nano silicons are added, continues to stir mixing 15min, obtain mixed with nano-silicon dioxide lime paste；
500g Caulis et Folium Oryzaes are weighed again, with the Caulis et Folium Oryzae chip that chopper cut growth is 5cm, collect Caulis et Folium Oryzae chip, and deionized water immersion 5h,
Subsequently that Caulis et Folium Oryzae chip is evenly laid out in glass pot bottom, it is 5cm to control pavement thickness, then spreads thick layer in Caulis et Folium Oryzae chip surface
For the above-mentioned gained mixed with nano-silicon dioxide lime paste of 4cm, and so on, one layer of Caulis et Folium Oryzae, one layer of lime paste up adds, directly
To reaching the 1/2 of glass tank volume, then deionized water is injected along glass top tank structure, until deionized water is flooded completely in glass jar
Thing is stacked, subsequently by glass jar sealing and fermenting 30 days；Then fermentation ends are treated, material in glass jar is poured in Plastic Drum, then
50g brown sugar (Saccharum Sinensis Roxb.)s are separately added into, 50g silane coupler KH-560, with blender with 800r/min rotating speed stirring reactions 4h, subsequently will
Material proceeds to centrifuge in Plastic Drum, with 7000r/min rotating speed centrifugation 20min, discards the supernatant, collects lower sediment
Thing, and lower sediment thing is placed in baking oven, 90min, then Jing mortar grinder 30min are dried under the conditions of temperature is for 110 DEG C, obtain
Dried object powder；Finally count by weight, 120 parts of thermosetting phenolic resins, 10 parts of above-mentioned gained are sequentially added in flask
Dried object powder, 5 parts of pentanes, 4 parts of Tween-60s, 6 parts of deionized waters, 3 parts of mass fractions are 85% phosphoric acid, and 6 parts to toluene sulphur
Acid, then flask is placed in sonic oscillation instrument, it is supersound process 30s under the conditions of 300W in power, subsequently material in flask is fallen
In entering mould, then mould is proceeded in baking oven, the solidification foaming 60min under the conditions of temperature is for 85 DEG C, the demoulding, after naturally cool to
Room temperature, obtains final product the resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity.
From the bottom to top from the beginning of support zone, with external wall outer insulation polymer bonding mortar by high intensity obtained in the present invention
Resistance to efflorescence phenolic aldehyde thermal insulation material is pasted on metope, and it is 40% to control phenolic aldehyde thermal insulation material bond area, subsequently in phenolic aldehyde heat preserving material
Per square metre of surface of material 6 bar for lines of nail, nail system is finished, after being surface-treated to the phenolic aldehyde thermal insulation material face of plastering, with stainless
Steel spatula is applied to whole surface and scrapes finishing mucilage, and thickness 1.4mm is scraped in control painting, is air-dried.Phenolic aldehyde thermal insulation material of the present invention is strong
Degree is high, and than traditional phenolic aldehyde thermal insulation material 32% is improve, and with preferable heat-insulating property, heat conductivity is 0.023W/（m·k）,
Occur without powder phenomenon-tion during use, service life extends 5 years, is worthy to be popularized and uses.
Claims (1)
1. the preparation method of the resistance to efflorescence phenolic aldehyde thermal insulation material of a kind of high intensity, it is characterised in that concrete preparation process is：
（1）Weigh 1～3kg quick lime, in pouring the Plastic Drum for filling 3～5L deionized waters into, with waddy stirring reaction 10～
15min, after naturally cool to room temperature, adds 300～500g nano silicons, continues to stir 10～15min of mixing, must mix
Miscellaneous nano silicon lime paste；
（2）300～500g Caulis et Folium Oryzaes are weighed, with the Caulis et Folium Oryzae chip that chopper cut growth is 3～5cm, Caulis et Folium Oryzae chip is collected, and is spent
Ionized water soaks 3～5h, subsequently that Caulis et Folium Oryzae chip is evenly laid out in glass pot bottom, and it is 3～5cm to control pavement thickness, then
Caulis et Folium Oryzae chip surface paving thick layer is the above-mentioned gained mixed with nano-silicon dioxide lime paste of 2～4cm, and so on, one layer of rice
Careless one layer of lime paste up adds, until it reaches the 1/2 of glass tank volume, then injects deionized water along glass top tank structure, until
Deionized water is flooded completely in glass jar stacks thing, subsequently by glass jar sealing and fermenting 20～30 days；
（3）Fermentation ends are treated, material in glass jar is poured in Plastic Drum, then be separately added into 30～50g brown sugar (Saccharum Sinensis Roxb.)s, 30～50g
Silane coupler KH-560, with blender with 600～800r/min rotating speed 2～4h of stirring reaction, subsequently by material in Plastic Drum
Centrifuge is proceeded to, with 5000～7000r/min rotating speed 15～20min of centrifugation, the supernatant is discarded, lower sediment is collected
Thing, and lower sediment thing is placed in baking oven, 60～90min is dried under the conditions of temperature is for 105～110 DEG C, then Jing mortars grind
20～30min of mill, obtains dried object powder；
（4）Count by weight, 100～120 parts of thermosetting phenolic resins, 8～10 parts of above-mentioned gained are sequentially added in flask
Dried object powder, 3～5 parts of pentanes, 2～4 parts of Tween-60s, 2～6 parts of deionized waters, 1～3 part of mass fraction is 85% phosphoric acid,
2～6 parts of p-methyl benzenesulfonic acid, then flask is placed in sonic oscillation instrument, in power be supersound process 20 under the conditions of 200～300W～
30s, subsequently pours material in flask in mould into, then mould is proceeded in baking oven, solidifies under the conditions of temperature is for 80～85 DEG C
45～60min of foaming, the demoulding, after naturally cool to room temperature, obtains final product the resistance to efflorescence phenolic aldehyde thermal insulation material of high intensity.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673355A (en) * | 2018-05-22 | 2018-10-19 | 安徽全兆光学科技有限公司 | A kind of resin ground disk |
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Application publication date: 20170510 |