CN108822342A - A kind of preparation method of straw charcoal plastic filler - Google Patents
A kind of preparation method of straw charcoal plastic filler Download PDFInfo
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- CN108822342A CN108822342A CN201810599222.8A CN201810599222A CN108822342A CN 108822342 A CN108822342 A CN 108822342A CN 201810599222 A CN201810599222 A CN 201810599222A CN 108822342 A CN108822342 A CN 108822342A
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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Abstract
The invention discloses a kind of preparation methods of straw charcoal plastic filler, include the following steps：（1）Cleaning treatment,（2）Explosion treatment,（3）Modification,（4）Twice-modified processing,（5）Drying and crushing processing.The present invention provides a kind of preparation methods of straw charcoal, can be recycled well to stalk, and manufactured straw charcoal uses quality, the great market competitiveness and application value as the synthesis that plastic filler can significantly improve plastics.
Description
Technical field
The invention belongs to stalk working process technical fields, and in particular to a kind of preparation method of straw charcoal plastic filler.
Background technique
With the improvement of living standards, the environmental consciousness of consumer constantly enhances, the concept of natural environmental-protective is deepened constantly,
So that consumer gradually turns to sight on more environment-friendly and safer bio-based plastics from conventional plastic.This is not only to raw material
It is required that raising, and constantly bring forth new ideas to technical requirements.
In recent years, agricultural crop straw becomes the new source of Rural Plane Source Pollution.The annual summer harvest and when the autumn and winter, always has a large amount of
The stalks such as wheat, corn burned in field, produce a large amount of heavy smogs, not only asked as the bottleneck of rural environmental protection
Topic, or even as the arch-criminal for bringing disaster to urban environment.According to the relevent statistics, China is annual to produce more than 700,000,000 as large agricultural country
Ton stalk, becomes " use is little " but " must dispose " waste.
In view of the above-mentioned problems, how to utilize these stalks " waste ", turns waste into wealth, it is urgently to be resolved to have become this field
The problem of.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of preparation method of straw charcoal plastic filler is provided.
The present invention is achieved by the following technical solutions：
A kind of preparation method of straw charcoal plastic filler, includes the following steps：
（1）Cleaning treatment：
Agricultural crop straw is immersed in clear water, it is 40 ~ 45 DEG C that heating, which keeps the temperature of clear water, is stirred continuously to agricultural crop straw
Then 25 ~ 30min of cleaning treatment takes out agricultural crop straw spare；
（2）Explosion treatment：
By step（1）Treated, and agricultural crop straw is put into progress explosion treatment in steam blasting tank, after the completion by crops
Stalk takes out spare；
（3）Modification：
By step（2）Treated, and agricultural crop straw is put into reaction kettle, first to reaction kettle vacuumize process, after 10 ~ 15min
Primary modified soak is injected into reaction kettle submerges agricultural crop straw, the pressure in reaction kettle is then increased to 0.5 ~
Agricultural crop straw is taken out after handling 25 ~ 30min, then agricultural crop straw is put into calcining furnace by 0.6MPa, pressure maintaining, is heated
Keeping the temperature in calcining furnace is 470 ~ 510 DEG C, after 45 ~ 50min of isothermal holding, the temperature in calcining furnace is risen to 1100 ~
1150 DEG C, agricultural crop straw is taken out after 30 ~ 35min of isothermal holding spare；The primary modified soak is by following weight
The material composition of part：30 ~ 34 parts of butyl titanates, 7 ~ 10 parts of nanometer aluminium powders, 2 ~ 3 parts of disodium ethylene diamine tetraacetates, 6 ~ 8 parts of metatitanic acids
Ester coupling agent, 5 ~ 7 parts of cetyl benzenesulfonic acid sodiums, 19 ~ 23 parts of ether, 750 ~ 800 parts of deionized waters；
（4）Twice-modified processing：
By step（3）Treated, and agricultural crop straw is immersed in twice-modified soak, and heating keeps twice-modified soak
Temperature be 50 ~ 55 DEG C, agricultural crop straw taking-up is put into ultraviolet irradiation instrument after 1 ~ 2h of immersion treatment, radiation treatment 40
It is taken out after ~ 45min spare；The twice-modified soak by following parts by weight material composition：5 ~ 7 part of six hydration chlorine platinum
Acid, 4 ~ 6 parts of calgons, 90 ~ 100 parts of deionized waters；
（5）Drying and crushing processing：
By step（4）Treated, and agricultural crop straw is put into drying box after drying process, then carries out smashing it through 500 mesh i.e.
Obtain finished filler.
Further, step（2）Described in the concrete operations of explosion treatment be；First temperature is passed through into steam blasting tank
For 102 ~ 106 DEG C of vapor, while the pressure in steam blasting tank is increased into 0.36 ~ 0.40MPa, heat-insulation pressure keeping processing 7 ~
9min, then in unloading steam blasting tank to normal temperature and pressure in 45s.
Further, step（3）Described in nanometer aluminium powder granular size be 10 ~ 60nm.
Further, step（4）Described in agricultural crop straw impregnated in twice-modified soak during, be also applied with
The ultrasonic wave that frequency is 300 ~ 350kHz carries out radiation treatment.
Further, step（4）Described in radiation treatment when control ultraviolet irradiation instrument in power be 1000 ~
1200W, the wavelength of ultraviolet light are 290 ~ 330nm.
Further, step（5）Described in drying process when control drying box in temperature be 90 ~ 95 DEG C.
The present invention has carried out special processing to agricultural crop straw, improves its own characteristic, the filler energy for plastics
Enough synthesis for improving plastics well use quality.Wherein, explosion treatment first is carried out to agricultural crop straw, well loose agriculture
Institutional framework inside crop material expands fiber spacing, enhances its specific surface area and adsorption capacity, is subsequent processing
It lays a good foundation, then immersion modification is carried out with the primary modified soak that uniqueness is prepared, by butyl titanate, nano aluminum
The ingredients such as powder, titanate coupling agent penetrate into agricultural crop straw, and wherein butyl titanate can be in subsequent 470 ~ 510 DEG C of calcining
Nano-titanium dioxide is formed when processing, while agricultural crop straw wood fibre is carbonized to form carbon fiber, nano-titanium dioxide is attached
On carbon fiber surface, generate a kind of fiber tubular structure of complex cross-linked, large specific surface area, adsorption capacity are strong, addition
Nanometer aluminium powder in nitrogen environment, when by 1100 ~ 1150 DEG C of high-temperature calcination, can be reacted with nano-titanium dioxide etc., finally
A kind of three-dimensional reticular fiber pipe structure that titanium nitride-nano aluminium oxide-carbon fiber crosslinking combines is formed, then again with twice-modified
Soak carries out immersion modification, is irradiated again with ultraviolet light later, under the action of ultraviolet irradiation reduction, twice-modified leaching
Platinum ion in bubble liquid forms little particle metal platinum and is attached on three-dimensional reticular fiber pipe, further improves whole use product
Matter, straw charcoal heatproof, corrosion resistant, the intensity after final process are good, and the compatible binding performance between plastic resin matrix is high, as filling out
The use quality of plastics can be remarkably reinforced in material.
The present invention has the following advantages that compared with prior art：
The present invention provides a kind of preparation methods of straw charcoal, can be recycled well to stalk, manufactured straw charcoal
The synthesis that can significantly improve plastics as plastic filler uses quality, the great market competitiveness and application value.
Specific embodiment
Embodiment 1
A kind of preparation method of straw charcoal plastic filler, includes the following steps：
（1）Cleaning treatment：
Agricultural crop straw is immersed in clear water, it is 40 DEG C that heating, which keeps the temperature of clear water, is stirred continuously clear to agricultural crop straw
Processing 25min is washed, is then taken out agricultural crop straw spare；
（2）Explosion treatment：
By step（1）Treated, and agricultural crop straw is put into progress explosion treatment in steam blasting tank, after the completion by crops
Stalk takes out spare；
（3）Modification：
By step（2）Treated, and agricultural crop straw is put into reaction kettle, and first to reaction kettle vacuumize process, 10min is backward
The primary modified soak of injection submerges agricultural crop straw in reaction kettle, and the pressure in reaction kettle is then increased to 0.5MPa, pressure maintaining
Agricultural crop straw is taken out after processing 25min, then agricultural crop straw is put into calcining furnace, heating is kept in calcining furnace
Temperature is 470 DEG C, after isothermal holding 45min, the temperature in calcining furnace is risen to 1100 DEG C, by farming after isothermal holding 30min
Object stalk takes out spare；The primary modified soak by following parts by weight material composition：30 parts of butyl titanates, 7 parts
Nanometer aluminium powder, 2 parts of disodium ethylene diamine tetraacetates, 6 parts of titanate coupling agents, 5 parts of cetyl benzenesulfonic acid sodiums, 19 parts of ether, 750
Part deionized water；
（4）Twice-modified processing：
By step（3）Treated, and agricultural crop straw is immersed in twice-modified soak, and heating keeps twice-modified soak
Temperature be 50 DEG C, agricultural crop straw taking-up is put into ultraviolet irradiation instrument after immersion treatment 1h, after radiation treatment 40min
It takes out spare；The twice-modified soak by following parts by weight material composition：5 part of six hydration chloroplatinic acid, 4 part of six inclined phosphorus
Sour sodium, 90 parts of deionized waters；
（5）Drying and crushing processing：
By step（4）Treated, and agricultural crop straw is put into drying box after drying process, then carries out smashing it through 500 mesh i.e.
Obtain finished filler.
Further, step（2）Described in the concrete operations of explosion treatment be；First temperature is passed through into steam blasting tank
For 102 DEG C of vapor, while the pressure in steam blasting tank is increased into 0.36MPa, heat-insulation pressure keeping handles 7min, then in
Steam blasting tank is unloaded to normal temperature and pressure in 45s.
Further, step（3）Described in nanometer aluminium powder granular size be 10 ~ 60nm.
Further, step（4）Described in agricultural crop straw impregnated in twice-modified soak during, be also applied with
The ultrasonic wave that frequency is 300kHz carries out radiation treatment.
Further, step（4）Described in radiation treatment when control ultraviolet irradiation instrument in power be 1000W, it is purple
The wavelength of outside line is 290 ~ 330nm.
Further, step（5）Described in drying process when control drying box in temperature be 90 DEG C.
Embodiment 2
A kind of preparation method of straw charcoal plastic filler, includes the following steps：
（1）Cleaning treatment：
Agricultural crop straw is immersed in clear water, it is 43 DEG C that heating, which keeps the temperature of clear water, is stirred continuously clear to agricultural crop straw
Processing 27min is washed, is then taken out agricultural crop straw spare；
（2）Explosion treatment：
By step（1）Treated, and agricultural crop straw is put into progress explosion treatment in steam blasting tank, after the completion by crops
Stalk takes out spare；
（3）Modification：
By step（2）Treated, and agricultural crop straw is put into reaction kettle, and first to reaction kettle vacuumize process, 13min is backward
The primary modified soak of injection submerges agricultural crop straw in reaction kettle, and the pressure in reaction kettle is then increased to 0.56MPa, pressure maintaining
Agricultural crop straw is taken out after processing 28min, then agricultural crop straw is put into calcining furnace, heating is kept in calcining furnace
Temperature is 490 DEG C, after isothermal holding 47min, the temperature in calcining furnace is risen to 1130 DEG C, by farming after isothermal holding 32min
Object stalk takes out spare；The primary modified soak by following parts by weight material composition：32 parts of butyl titanates, 9 parts
Nanometer aluminium powder, 2.5 parts of disodium ethylene diamine tetraacetates, 7 parts of titanate coupling agents, 6 parts of cetyl benzenesulfonic acid sodiums, 20 parts of ether,
770 parts of deionized waters；
（4）Twice-modified processing：
By step（3）Treated, and agricultural crop straw is immersed in twice-modified soak, and heating keeps twice-modified soak
Temperature be 53 DEG C, agricultural crop straw taking-up is put into ultraviolet irradiation instrument after immersion treatment 1.5h, radiation treatment 42min
After take out it is spare；The twice-modified soak by following parts by weight material composition：6 part of six hydration chloroplatinic acid, 5 part six partially
Sodium phosphate, 96 parts of deionized waters；
（5）Drying and crushing processing：
By step（4）Treated, and agricultural crop straw is put into drying box after drying process, then carries out smashing it through 500 mesh i.e.
Obtain finished filler.
Further, step（2）Described in the concrete operations of explosion treatment be；First temperature is passed through into steam blasting tank
For 104 DEG C of vapor, while the pressure in steam blasting tank is increased into 0.38MPa, heat-insulation pressure keeping handles 8min, then in
Steam blasting tank is unloaded to normal temperature and pressure in 45s.
Further, step（3）Described in nanometer aluminium powder granular size be 10 ~ 60nm.
Further, step（4）Described in agricultural crop straw impregnated in twice-modified soak during, be also applied with
The ultrasonic wave that frequency is 330kHz carries out radiation treatment.
Further, step（4）Described in radiation treatment when control ultraviolet irradiation instrument in power be 1100W, it is purple
The wavelength of outside line is 290 ~ 330nm.
Further, step（5）Described in drying process when control drying box in temperature be 93 DEG C.
Embodiment 3
A kind of preparation method of straw charcoal plastic filler, includes the following steps：
（1）Cleaning treatment：
Agricultural crop straw is immersed in clear water, it is 45 DEG C that heating, which keeps the temperature of clear water, is stirred continuously clear to agricultural crop straw
Processing 30min is washed, is then taken out agricultural crop straw spare；
（2）Explosion treatment：
By step（1）Treated, and agricultural crop straw is put into progress explosion treatment in steam blasting tank, after the completion by crops
Stalk takes out spare；
（3）Modification：
By step（2）Treated, and agricultural crop straw is put into reaction kettle, and first to reaction kettle vacuumize process, 15min is backward
The primary modified soak of injection submerges agricultural crop straw in reaction kettle, and the pressure in reaction kettle is then increased to 0.6MPa, pressure maintaining
Agricultural crop straw is taken out after processing 30min, then agricultural crop straw is put into calcining furnace, heating is kept in calcining furnace
Temperature is 510 DEG C, after isothermal holding 50min, the temperature in calcining furnace is risen to 1150 DEG C, by farming after isothermal holding 35min
Object stalk takes out spare；The primary modified soak by following parts by weight material composition：34 parts of butyl titanates, 10 parts
Nanometer aluminium powder, 3 parts of disodium ethylene diamine tetraacetates, 8 parts of titanate coupling agents, 7 parts of cetyl benzenesulfonic acid sodiums, 23 parts of ether, 800
Part deionized water；
（4）Twice-modified processing：
By step（3）Treated, and agricultural crop straw is immersed in twice-modified soak, and heating keeps twice-modified soak
Temperature be 55 DEG C, agricultural crop straw taking-up is put into ultraviolet irradiation instrument after immersion treatment 2h, after radiation treatment 45min
It takes out spare；The twice-modified soak by following parts by weight material composition：7 part of six hydration chloroplatinic acid, 6 part of six inclined phosphorus
Sour sodium, 100 parts of deionized waters；
（5）Drying and crushing processing：
By step（4）Treated, and agricultural crop straw is put into drying box after drying process, then carries out smashing it through 500 mesh i.e.
Obtain finished filler.
Further, step（2）Described in the concrete operations of explosion treatment be；First temperature is passed through into steam blasting tank
For 106 DEG C of vapor, while the pressure in steam blasting tank is increased into 0.40MPa, heat-insulation pressure keeping handles 9min, then in
Steam blasting tank is unloaded to normal temperature and pressure in 45s.
Further, step（3）Described in nanometer aluminium powder granular size be 10 ~ 60nm.
Further, step（4）Described in agricultural crop straw impregnated in twice-modified soak during, be also applied with
The ultrasonic wave that frequency is 350kHz carries out radiation treatment.
Further, step（4）Described in radiation treatment when control ultraviolet irradiation instrument in power be 1200W, it is purple
The wavelength of outside line is 290 ~ 330nm.
Further, step（5）Described in drying process when control drying box in temperature be 95 DEG C.
Comparative example 1
This comparative example 1 compared with Example 2, eliminates step（3）Modification operation, method and step in addition to this
It is all the same.
Comparative example 2
This comparative example 2 compared with Example 2, eliminates step（4）Twice-modified processing operation, method and step in addition to this
It is all the same.
Comparative example 3
This comparative example 3 compared with Example 2, eliminates step（3）Modification and step（4）Twice-modified processing
Operation, in step（2）Conventional carbonization treatment is directly carried out after explosion treatment to agricultural crop straw, method and step in addition to this is equal
It is identical.
In order to compare effect of the present invention, to above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3
Corresponding filler obtained is tested, and is respectively used in the processing and fabricating of polypropylene plastics, wherein each raw material of polypropylene plastics
And corresponding parts by weight are：90 parts of acrylic resins, 8 parts of calcium carbonate, 12 parts of stalk carbon filling materials, 4 parts of pluronic polymers, when processing be
With double screw extruder extrusion molding, processing and treating method is identical, finally carries out to polypropylene plastics made from each group
Performance test, specific correlation data are as shown in table 1 below：
Table 1
| Tensile strength（MPa） | Vicat softening temperature（℃） | Water absorption rate（%） | |
| Embodiment 2 | 48.7 | 168 | 0.07 |
| Comparative example 1 | 36.2 | 123 | 0.31 |
| Comparative example 2 | 39.5 | 140 | 0.22 |
| Comparative example 3 | 34.0 | 116 | 0.36 |
Note：Tensile strength described in upper table 1 is tested referring to GB1040-79；The vicat softening temperature reference
GB1035-70 is tested；The water absorption rate is tested referring to GB1034-86.
The synthesis of the method for the present invention treated stalk carbon filling material can be obviously improved plastics it can be seen from upper table 1
Using quality, a kind of high value, the mode of high benefit, great application value are provided for the recycling of stalk.
Claims (6)
1. a kind of preparation method of straw charcoal plastic filler, which is characterized in that include the following steps：
（1）Cleaning treatment：
Agricultural crop straw is immersed in clear water, it is 40 ~ 45 DEG C that heating, which keeps the temperature of clear water, is stirred continuously to agricultural crop straw
Then 25 ~ 30min of cleaning treatment takes out agricultural crop straw spare；
（2）Explosion treatment：
By step（1）Treated, and agricultural crop straw is put into progress explosion treatment in steam blasting tank, after the completion by crops
Stalk takes out spare；
（3）Modification：
By step（2）Treated, and agricultural crop straw is put into reaction kettle, first to reaction kettle vacuumize process, after 10 ~ 15min
Primary modified soak is injected into reaction kettle submerges agricultural crop straw, the pressure in reaction kettle is then increased to 0.5 ~
Agricultural crop straw is taken out after handling 25 ~ 30min, then agricultural crop straw is put into calcining furnace by 0.6MPa, pressure maintaining, is heated
Keeping the temperature in calcining furnace is 470 ~ 510 DEG C, after 45 ~ 50min of isothermal holding, the temperature in calcining furnace is risen to 1100 ~
1150 DEG C, agricultural crop straw is taken out after 30 ~ 35min of isothermal holding spare；The primary modified soak is by following weight
The material composition of part：30 ~ 34 parts of butyl titanates, 7 ~ 10 parts of nanometer aluminium powders, 2 ~ 3 parts of disodium ethylene diamine tetraacetates, 6 ~ 8 parts of metatitanic acids
Ester coupling agent, 5 ~ 7 parts of cetyl benzenesulfonic acid sodiums, 19 ~ 23 parts of ether, 750 ~ 800 parts of deionized waters；
（4）Twice-modified processing：
By step（3）Treated, and agricultural crop straw is immersed in twice-modified soak, and heating keeps twice-modified soak
Temperature be 50 ~ 55 DEG C, agricultural crop straw taking-up is put into ultraviolet irradiation instrument after 1 ~ 2h of immersion treatment, radiation treatment 40
It is taken out after ~ 45min spare；The twice-modified soak by following parts by weight material composition：5 ~ 7 part of six hydration chlorine platinum
Acid, 4 ~ 6 parts of calgons, 90 ~ 100 parts of deionized waters；
（5）Drying and crushing processing：
By step（4）Treated, and agricultural crop straw is put into drying box after drying process, then carries out smashing it through 500 mesh i.e.
Obtain finished filler.
2. a kind of preparation method of straw charcoal plastic filler according to claim 1, which is characterized in that step（2）Middle institute
The concrete operations for the explosion treatment stated are；It is first passed through the vapor that temperature is 102 ~ 106 DEG C into steam blasting tank, while will steam
Pressure in vapour cavity charge containers increases to 0.36 ~ 0.40MPa, and heat-insulation pressure keeping handles 7 ~ 9min, then in unloading steam blasting tank in 45s
To normal temperature and pressure.
3. a kind of preparation method of straw charcoal plastic filler according to claim 1, which is characterized in that step（3）Middle institute
The granular size for the nanometer aluminium powder stated is 10 ~ 60nm.
4. a kind of preparation method of straw charcoal plastic filler according to claim 1, which is characterized in that step（4）Middle institute
During the agricultural crop straw stated impregnates in twice-modified soak, also it is applied with the ultrasonic wave that frequency is 300 ~ 350kHz and carries out
Radiation treatment.
5. a kind of preparation method of straw charcoal plastic filler according to claim 1, which is characterized in that step（4）Middle institute
It is 1000 ~ 1200W that the power in ultraviolet irradiation instrument is controlled when the radiation treatment stated, and the wavelength of ultraviolet light is 290 ~ 330nm.
6. a kind of preparation method of straw charcoal plastic filler according to claim 1, which is characterized in that step（5）Middle institute
It is 90 ~ 95 DEG C that the temperature in drying box is controlled when the drying process stated.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111635177A (en) * | 2020-06-17 | 2020-09-08 | 刘柏君 | Light building environment-friendly material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111635177A (en) * | 2020-06-17 | 2020-09-08 | 刘柏君 | Light building environment-friendly material |
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