CN107325572A - A kind of environment protection type sheet material and preparation method thereof - Google Patents
A kind of environment protection type sheet material and preparation method thereof Download PDFInfo
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- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C09D161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2461/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08J2461/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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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
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
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- 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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Abstract
The present invention provides a kind of environment protection type sheet material, it is characterised in that：The sheet material, raw material includes：Modified tapioca flour solution, corn stalk powder, wheat stalk, Herba Menthae powder, the bottom of a pan ash, fructus sophorae powder, polylactic resin sepiolite powder, wollastonite, mica powder, melamine resin, titanium dioxide, modifying agent, 50 60 DEG C of hot water.Environment protection type sheet material prepared by the present invention, it is light shine, corrosion-resistant；Sheet material prepared by the present invention, with environmentally friendly, free of contamination characteristic, can be widely used for enterprise's desk sheet material, school's testing stand, school desk tool etc., with good application.
Description
Technical field
The present invention relates to a kind of sheet material and preparation method thereof, more particularly to a kind of environment protection type sheet material and preparation method thereof.
Background technology
At present, of home make synthetic plate, its raw material overwhelming majority is using weedtree, sheet material leftover bits and pieces, wood sawdust etc.
The raw material of wood type；Because the raw material sources of wood type are limited by environmentally friendly and other reasons, its quantity delivered is not only limited, and
And price is higher；So, some enterprises and research institution of the country at present, all the time find artificial board and it is other can
Use alternative materials.Although certain trial is being done using the stalk of crops in terms of sheet material is manufactured by some enterprises, produced
No matter some defects there are in terms of intensity, fire-retardant, resistance to acids and bases, water-fast and environmental protection in the sheet material gone out.
Develop green product, advocate green consumption, be the main flow of current social development, be environmental protection maintaining ecological balance
Important step.With the progress and expanding economy of science and technology, every country is increasingly paid attention to environmental protection.The birth of plastics
It is raw, most widely used material in social development is had become in the last hundred years.And a large amount of waste plastics are caused sternly to ecological environment
The pollution of weight.Sheet material of the prior art is without any feature simultaneously, and the harmful substance such as addition formaldehyde, exists for a long time in preparation process
It is easily carcinogenic in this environment；A large amount of pollutions are produced after the completion of use.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of environment protection type sheet material and preparation method thereof, therefore,
The technical solution adopted by the present invention is：
A kind of environment protection type sheet material, is counted by weight, and raw material includes：
Modified 40-50 parts of tapioca flour solution, 125-135 parts of corn stalk powder, 30-45 parts of wheat stalk, 23-27 parts of Herba Menthae powder,
8-13 parts of the bottom of a pan ash, 35-40 parts of fructus sophorae powder, 15-21 parts of polylactic resin sepiolite powder, 22-26 parts of wollastonite, mica powder 5-7
Part, 20-26 parts of melamine resin, 3-5 parts of titanium dioxide, 12-15 parts, 50-60 DEG C 150-240 parts of hot water of modifying agent.
The modifying agent is stearyl alcohol；
The preparation method of the modified tapioca flour solution：Tapioca flour is slowly added into waste water, in sealing temperature-pressure condition
It is lower to be mixed；The pressure is 0.4-0.7MPa；The mixing time is 20-30min；The warm temperature is
40-50℃；After the completion of mixing, in solution after treatment, fructus sophorae powder and modifying agent are added；30-45min is stirred, simultaneously
0.8-1.2MPa is forced into, temperature is risen to 100-120 DEG C, 40-60min is incubated, obtains modified tapioca flour solution.
The wheat stalk is the wheat stalk of speciality；The preparation method of the wheat stalk：It is the small of 5-10% by humidity
Wheat Straw is ground into 0.8-1.4mm wheat stalk fragment；
By the wheat stalk fragment of crushing, using fluffer, length is discongested into for 0.1-0.5mm length, a diameter of 560-850 nanometers
Fine fibrous Semen Tritici aestivi fiber；Fine fibrous Semen Tritici aestivi fiber pressurized hydrolysis will be discongested into, hydrolysis temperature is 60-65 DEG C, water
The solution time is 30-35min, by cellulose crystals burr, while removing part lignin and impurity colloid；By the wheat after hydrolysis
It is 22-28% that fiber filter, which is dried to water content,；Semen Tritici aestivi fiber after drying and wollastonite are mixed into ball mill and carry out ball
Mill, obtains special wheat stalk.By the special wheat stalk fragment of this method, with good adhesive property and stability
Can, while greatly improving the abrasion resistance of sheet material, improve the service life of sheet material.
A kind of preparation method of environment protection type sheet material, comprises the following steps：
Step 1：Mixing
Modification tapioca flour solution, hot water prepared by raw material is mixed by high-speed mixer, is well mixed, incorporation time 10-
20min；Stirring will remove other raw materials addition of mica powder, melamine resin, titanium dioxide, stir when temperature is reduced to 60-70 DEG C
Mix uniform.
Step 2：It is prepared by blank
By the compound extrusion after stirring, feeding grinding tool is once hot pressed into blank flat using hot plate, and platen temperature is 80-90
DEG C or so, pressure is 0.5-0.7MPa, and the time is 10-15min or so.
Step 3：Secondary hot pressing
PLA 10361D is applied to blank plate surface, rubberization thickness 0.5-1.2mm；The PLA 10361D is that Shenzhen is red
Contain the production of plastic cement Co., Ltd；
Using pressurization hot pressing；Wherein pressure is 2.6-2.8MPa, 140-150 DEG C of hot pressing temperature, hot pressing time 25-30s/mm.
Step 4：Coating is strengthened
By the sheet material after secondary hot pressing, surface carries out coating；The coating is carried out using modified melamine resin mica composition；Institute
State the preparation method of modified melamine resin mica composition：Melamine resin is heated, heating-up temperature is 150-165 DEG C, Ran Houjia
Enter titanium dioxide and be modified processing；Then mica powder is added in mixed liquor, stirs, when mica powder its colour changed into yellow, stops stirring
Mix；Stirring liquid is applied to the blank flat after secondary hot pressing, coating reinforcing is being carried out；Coating reinforcing uses hot pressing, hot pressing temperature
160-170 DEG C, hot pressing time 25-30s/mm.
By adopting the above-described technical solution, the technology that the present invention reaches is as follows：
1st, the environment protection type sheet material for preparing of the present invention, it is light shine, corrosion-resistant；
2nd, sheet material prepared by the present invention, with environmentally friendly, free of contamination characteristic, can be widely used for enterprise's desk sheet material, school's examination
Platform, school desk tool etc. are tested, with good application；
3rd, sheet material prepared by the present invention has certain peppermint, wheat straw fragrance, pleasant aroma；
4th, the special preparation technique that uses of the present invention so that the environment-friendly sheet of preparation, service life is long, with very strong anti-oxidant
Property.
Embodiment
A kind of preparation of the environment protection type sheet material of embodiment 1 comprises the following steps：
Modified 40 parts of tapioca flour solution, 125 parts of corn stalk powder, 30 parts of wheat stalk, 23 parts of Herba Menthae powder, the bottom of a pan grey 8 parts, the Fructus Sophorae
350 parts of powder, 15 parts of polylactic resin sepiolite powder, 22 parts of wollastonite, 5 parts of mica powder, 20 parts of melamine resin, 3 parts of titanium dioxide, change
Property 12 parts, 50-60 DEG C 150 parts of hot water of agent.
The modifying agent is stearyl alcohol；
The preparation method of the modified tapioca flour solution：Tapioca flour is slowly added into waste water, in sealing temperature-pressure condition
It is lower to be mixed；The pressure is 0.4MPa；The mixing time is 20min；The warm temperature is 40 DEG C；It is mixed
Close after the completion of stirring, in solution after treatment, add fructus sophorae powder and modifying agent；30min is stirred, while 0.8MPa is forced into,
Temperature is risen to 100 DEG C, 40min is incubated, obtains modified tapioca flour solution.
The wheat stalk is the wheat stalk of speciality；The preparation method of the wheat stalk：By the wheat that humidity is 5%
Stalk is ground into 0.8mm wheat stalk fragment；
By the wheat stalk fragment of crushing, using fluffer, length is discongested into for 0.1mm length, a diameter of 560-850 nanometers thin
Fibrous Semen Tritici aestivi fiber；Fine fibrous Semen Tritici aestivi fiber pressurized hydrolysis will be discongested into, hydrolysis temperature is 60 DEG C, and hydrolysis time is
30min, by cellulose crystals burr, while removing part lignin and impurity colloid；Semen Tritici aestivi fiber after hydrolysis is filtered and dried
It is 22% to do to water content；Semen Tritici aestivi fiber after drying and wollastonite are mixed into ball mill and carry out ball milling, obtains special
Wheat stalk.By the special wheat stalk fragment of this method, with good adhesive property and stability, while carrying significantly
The abrasion resistance of high sheet material, improves the service life of sheet material.
A kind of preparation method of environment protection type sheet material, comprises the following steps：
Step 1：Mixing
Modification tapioca flour solution, hot water prepared by raw material is mixed by high-speed mixer, is well mixed, incorporation time 10min；
Stirring will remove other raw materials addition of mica powder, melamine resin, titanium dioxide, and stir when temperature is reduced to 60 DEG C.
Step 2：It is prepared by blank
Slab precompressed：By the compound extrusion after stirring, feeding grinding tool is once hot pressed into blank flat, pressing plate temperature using hot plate
Spend for 80 DEG C or so, pressure is 0.5MPa, the time is 10min or so.
Step 3：Secondary hot pressing
PLA 10361D is applied to blank plate surface, rubberization thickness 0.5mm；The PLA 10361D is that Shenzhen's pellet contains modeling
Glue Co., Ltd produces；
Using pressurization hot pressing；Wherein pressure is 2.6MPa, 140 DEG C of hot pressing temperature, hot pressing time 25s/mm.
Step 4：Coating is strengthened
By the sheet material after secondary hot pressing, surface carries out coating；The coating is carried out using modified melamine resin mica composition；Institute
State the preparation method of modified melamine resin mica composition：Melamine resin is heated, heating-up temperature is 150-165 DEG C, Ran Houjia
Enter titanium dioxide and be modified processing；Then mica powder is added in mixed liquor, stirs, when mica powder its colour changed into yellow, stops stirring
Mix；Stirring liquid is applied to the blank flat after secondary hot pressing, coating reinforcing is being carried out；Coating reinforcing uses hot pressing, hot pressing temperature
160-170 DEG C, hot pressing time 25-30s/mm.
A kind of preparation of the environment protection type sheet material of embodiment 2 comprises the following steps：
Modified 45 parts of tapioca flour solution, 130 parts of corn stalk powder, 40 parts of wheat stalk, 26 parts of Herba Menthae powder, the bottom of a pan grey 10 parts, Chinese scholartree
36 parts of angle powder, 18 parts of polylactic resin sepiolite powder, 25 parts of wollastonite, 6 parts of mica powder, 25 parts of melamine resin, 4 parts of titanium dioxide,
14 parts, 50-60 DEG C 180 parts of hot water of modifying agent.
The modifying agent is stearyl alcohol；
The preparation method of the modified tapioca flour solution：Tapioca flour is slowly added into waste water, in sealing temperature-pressure condition
It is lower to be mixed；The pressure is 0.5MPa；The mixing time is 20min；The warm temperature is 45 DEG C；It is mixed
Close after the completion of stirring, in solution after treatment, add fructus sophorae powder and modifying agent；38min is stirred, while 0.9MPa is forced into,
Temperature is risen to 110 DEG C, 50min is incubated, obtains modified tapioca flour solution.
The wheat stalk is the wheat stalk of speciality；The preparation method of the wheat stalk：By the wheat that humidity is 8%
Stalk is ground into 1.1mm wheat stalk fragment；
By the wheat stalk fragment of crushing, using fluffer, length is discongested into for 0.4mm length, a diameter of 560-850 nanometers thin
Fibrous Semen Tritici aestivi fiber；Fine fibrous Semen Tritici aestivi fiber pressurized hydrolysis will be discongested into, hydrolysis temperature is 62 DEG C, and hydrolysis time is
35min, by cellulose crystals burr, while removing part lignin and impurity colloid；Semen Tritici aestivi fiber after hydrolysis is filtered and dried
It is 28% to do to water content；Semen Tritici aestivi fiber after drying and wollastonite are mixed into ball mill and carry out ball milling, obtains special
Wheat stalk.By the special wheat stalk fragment of this method, with good adhesive property and stability, while carrying significantly
The abrasion resistance of high sheet material, improves the service life of sheet material.
A kind of preparation method of environment protection type sheet material, comprises the following steps：
Step 1：Mixing
Modification tapioca flour solution, hot water prepared by raw material is mixed by high-speed mixer, is well mixed, incorporation time 20min；
Stirring will remove other raw materials addition of mica powder, melamine resin, titanium dioxide, and stir when temperature is reduced to 70 DEG C.
Step 2：It is prepared by blank
Slab precompressed：By the compound extrusion after stirring, feeding grinding tool is once hot pressed into blank flat, pressing plate temperature using hot plate
Spend for 80 DEG C or so, pressure is 0.6MPa, the time is 15min or so.
Step 3：Secondary hot pressing
PLA 10361D is applied to blank plate surface, rubberization thickness 1.5mm；The PLA 10361D is that Shenzhen's pellet contains modeling
Glue Co., Ltd produces；
Using pressurization hot pressing；Wherein pressure is 2.7MPa, 150 DEG C of hot pressing temperature, hot pressing time 30s/mm.
Step 4：Coating is strengthened
By the sheet material after secondary hot pressing, surface carries out coating；The coating is carried out using modified melamine resin mica composition；Institute
State the preparation method of modified melamine resin mica composition：Melamine resin is heated, heating-up temperature is 157 DEG C, then adds titanium
White powder is modified processing；Then mica powder is added in mixed liquor, is stirred, when mica powder its colour changed into yellow, stops stirring；Will
Stirring liquid is applied to the blank flat after secondary hot pressing, is carrying out coating reinforcing；Coating, which is strengthened, uses hot pressing, 1654 DEG C of hot pressing temperature,
Hot pressing time 28s/mm.
A kind of preparation of the environment protection type sheet material of embodiment 3 comprises the following steps：
Modified 50 parts of tapioca flour solution, 135 parts of corn stalk powder, 45 parts of wheat stalk, 27 parts of Herba Menthae powder, the bottom of a pan grey 13 parts, Chinese scholartree
40 parts of angle powder, 21 parts of polylactic resin sepiolite powder, 26 parts of wollastonite, 7 parts of mica powder, 26 parts of melamine resin, 5 parts of titanium dioxide,
15 parts, 50-60 DEG C 240 parts of hot water of modifying agent.
The modifying agent is stearyl alcohol；
The preparation method of the modified tapioca flour solution：Tapioca flour is slowly added into waste water, in sealing temperature-pressure condition
It is lower to be mixed；The pressure is 0.7MPa；The mixing time is 30min；The warm temperature is 50 DEG C；It is mixed
Close after the completion of stirring, in solution after treatment, add fructus sophorae powder and modifying agent；42min is stirred, while 1.2MPa is forced into,
Temperature is risen to 117 DEG C, 55min is incubated, obtains modified tapioca flour solution.
The wheat stalk is the wheat stalk of speciality；The preparation method of the wheat stalk：By the wheat that humidity is 8%
Stalk is ground into 1.2mm wheat stalk fragment；
By the wheat stalk fragment of crushing, using fluffer, length is discongested into for 0.4mm length, a diameter of 560-850 nanometers thin
Fibrous Semen Tritici aestivi fiber；Fine fibrous Semen Tritici aestivi fiber pressurized hydrolysis will be discongested into, hydrolysis temperature is 63 DEG C, and hydrolysis time is
33min, by cellulose crystals burr, while removing part lignin and impurity colloid；Semen Tritici aestivi fiber after hydrolysis is filtered and dried
It is 28% to do to water content；Semen Tritici aestivi fiber after drying and wollastonite are mixed into ball mill and carry out ball milling, obtains special
Wheat stalk.By the special wheat stalk fragment of this method, with good adhesive property and stability, while carrying significantly
The abrasion resistance of high sheet material, improves the service life of sheet material.
A kind of preparation method of environment protection type sheet material, comprises the following steps：
Step 1：Mixing
Modification tapioca flour solution, hot water prepared by raw material is mixed by high-speed mixer, is well mixed, incorporation time 17min；
Stirring will remove other raw materials addition of mica powder, melamine resin, titanium dioxide, and stir when temperature is reduced to 68 DEG C.
Step 2：It is prepared by blank
Slab precompressed：By the compound extrusion after stirring, feeding grinding tool is once hot pressed into blank flat, pressing plate temperature using hot plate
Spend for 88 DEG C or so, pressure is 0.6MPa, the time is 13min or so.
Step 3：Secondary hot pressing
PLA 10361D is applied to blank plate surface, rubberization thickness 0.5-1.2mm；The PLA 10361D is that Shenzhen is red
Contain the production of plastic cement Co., Ltd；
Using pressurization hot pressing；Wherein pressure is 2.8MPa, 150 DEG C of hot pressing temperature, hot pressing time 30s/mm.
Step 4：Coating is strengthened
By the sheet material after secondary hot pressing, surface carries out coating；The coating is carried out using modified melamine resin mica composition；Institute
State the preparation method of modified melamine resin mica composition：Melamine resin is heated, heating-up temperature is 162 DEG C, then adds titanium
White powder is modified processing；Then mica powder is added in mixed liquor, is stirred, when mica powder its colour changed into yellow, stops stirring；Will
Stirring liquid is applied to the blank flat after secondary hot pressing, is carrying out coating reinforcing；Coating reinforcing uses hot pressing, 165 DEG C of hot pressing temperature, heat
Pressure time 27s/mm.
The index of correlation detection of sheet material prepared by the present invention is shown in Table 1
The notch impact strength of sheet material prepared by the present invention of table 1, tensile strength, elongation at break detection
As can be seen from the above table, the sheet material that prepared by the present invention, is 61-65 with good physical index, particularly tensile strength
MPa；Slightly lower elongation at break is 21-26%；Notch impact strength is 27-29 KJ/m2。
Unless specifically indicated with unit commonly used in the art, ratio of the present invention is mass ratio, the percentage,
It is mass percent.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of environment protection type sheet material, it is characterised in that：The sheet material, raw material includes：Modified tapioca flour solution, corn stalk powder,
Wheat stalk, Herba Menthae powder, the bottom of a pan ash, fructus sophorae powder, polylactic resin sepiolite powder, wollastonite, mica powder, melamine resin, titanium white
Powder, modifying agent, 50-60 DEG C of hot water.
2. a kind of environment protection type sheet material according to claim 1, it is characterised in that：The raw material, is counted by weight, bag
Include：Modified 40-50 parts of tapioca flour solution, 125-135 parts of corn stalk powder, 30-45 parts of wheat stalk, 23-27 parts of Herba Menthae powder, pot
8-13 parts of bottom ash, 35-40 parts of fructus sophorae powder, 15-21 parts of polylactic resin sepiolite powder, 22-26 parts of wollastonite, 5-7 parts of mica powder,
20-26 parts of melamine resin, 3-5 parts of titanium dioxide, 12-15 parts, 50-60 DEG C 150-240 parts of hot water of modifying agent.
3. a kind of environment protection type sheet material according to claim 1, it is characterised in that：The preparation side of the modified tapioca flour solution
Method：Tapioca flour is slowly added into waste water, mixed under the conditions of sealing temperature-pressure；The pressure is 0.4-
0.7MPa；The mixing time is 20-30min；The warm temperature is 40-50 DEG C；After the completion of mixing, in processing
In solution afterwards, fructus sophorae powder and modifying agent are added；30-45min is stirred, while being forced into 0.8-1.2MPa, temperature is risen to
100-120 DEG C, 40-60min is incubated, modified tapioca flour solution is obtained.
4. a kind of environment protection type sheet material according to claim 1, it is characterised in that：The wheat stalk is the Wheat Straw of speciality
Stalk；The preparation method of the wheat stalk：
Humidity is ground into 0.8-1.4mm wheat stalk fragment for 5-10% wheat stalk；
By the wheat stalk fragment of crushing, using fluffer, length is discongested into for 0.1-0.5mm length, a diameter of 560-850 nanometers
Fine fibrous Semen Tritici aestivi fiber；Fine fibrous Semen Tritici aestivi fiber pressurized hydrolysis will be discongested into, hydrolysis temperature is 60-65 DEG C, water
The solution time is 30-35min；It is 22-28% by the Semen Tritici aestivi fiber filtering drying after hydrolysis to water content；By the wheat after drying
Fiber is mixed into ball mill with wollastonite and carries out ball milling, obtains special wheat stalk.
5. a kind of preparation method of environment protection type sheet material, it is characterised in that：Methods described includes secondary hot pressing step；The second heat
Press step：PLA 10361D is applied to blank plate surface, rubberization thickness 0.5-1.2mm；The PLA 10361D is Shenzhen
Dan Sheng plastic cement Co., Ltd of city produces；Using pressurization hot pressing；The moulding pressure is 2.6-2.8MPa, hot pressing temperature 140-150
DEG C, hot pressing time 25-30s/mm.
6. a kind of preparation method of environment protection type sheet material according to claim 5, it is characterised in that：Methods described also includes applying
Layer reinforcing step；The coating strengthens step：By the sheet material after secondary hot pressing, surface carries out coating；The coating is using modification
Melamine resin mica composition is carried out；The preparation method of the modified melamine resin mica composition：Melamine resin is heated, plus
Hot temperature is 150-165 DEG C, then adds titanium dioxide and is modified processing；Then mica powder is added in mixed liquor, stirs, treats
During mica powder its colour changed into yellow, stop stirring；Stirring liquid is applied to the blank flat after secondary hot pressing, coating reinforcing is being carried out；Coating
Reinforcing uses hot pressing, 160-170 DEG C of hot pressing temperature, hot pressing time 25-30s/mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109435004A (en) * | 2018-09-25 | 2019-03-08 | 阜阳市祥宇木业有限公司 | A kind of method of timber processing waste recycling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109435004A (en) * | 2018-09-25 | 2019-03-08 | 阜阳市祥宇木业有限公司 | A kind of method of timber processing waste recycling |
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