CN107916003A - A kind of preparation method of wood plastics composite construction material filler - Google Patents
A kind of preparation method of wood plastics composite construction material filler Download PDFInfo
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- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- 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
- C08J9/009—Use of pretreated compounding ingredients
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- 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
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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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- C08K3/346—Clay
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- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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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
- C08J2489/00—Characterised by the use of proteins; Derivatives thereof
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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
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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Abstract
The invention discloses a kind of preparation method of wood plastics composite construction material filler, include the following steps：（1）Filler pre-treatment,（2）Modified protein preparation,（3）Modification.The present invention has carried out filler special modification, compatible binding ability between the raw material of gained and the component of wood plastic composite is strong, the effective overall mechanical characteristic for improving wood plastic composite, reduce its expansion rate of water absorption, service life is extended, there is filling use value and the market competitiveness well.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of preparation side of wood plastics composite construction material filler
Method.
Background technology
Construction material is raw material used in building, is the general designation of the material used in civil engineering and architectural engineering.
Construction material can be divided into structural material, ornament materials and some proprietary materials.Structural material includes timber, bamboo wood, stone material, water
Mud, concrete, metal, brick and tile, ceramics, glass, engineering plastics, composite material etc.；Ornament materials include various coating, paint,
Coating, veneer, assorted ceramic tile, the glass etc. with special-effect；Proprietary material refers to for waterproof, moisture-proof, anti-corrosion, fire prevention, resistance
Combustion, sound insulation, heat-insulated, insulation, sealing etc..Wherein wood plastic composite is a kind of emerging construction material, it is the wood with plant
Matter powder or wood-fibred are mixed with thermoplastic (a kind or a variety of) after pretreatment, added at the same time as reinforcer
Some other auxiliary agents, the composite material being process by modes such as hot pressing, extrusion, injections.Wood plastic composite has had both wood
The double grading of material and plastics, can be processed into multiple color, and texture and processing performance are similar to timber, while also have chemistry
The advantages that performance is stable, intensity is high, pest-resistant bacterium effect is preferable, recoverable, is a kind of preferable substitute materials for wood.In order to improve
The synthesis of wood plastic composite uses quality, and people select to add some inorganic filler components, but because of filler component and timber, modeling
Compatible binding ability between the matrix compositions such as material is not strong, causes the effect that filling uses still unsatisfactory, it is necessary to further
Improvement is handled.
The content of the invention
The purpose of the present invention is for it is existing the problem of, there is provided a kind of preparation side of wood plastics composite construction material filler
Method.
The present invention is achieved by the following technical solutions：
A kind of preparation method of wood plastics composite construction material filler, includes the following steps：
（1）Filler pre-treatment：
A. attapulgite is first put into 20 ~ 25min of immersion treatment in phosphoric acid solution, after the completion of take out place into salpeter solution
Middle 15 ~ 20min of immersion treatment, after the completion of take out be put into 10 ~ 15min of immersion treatment in sodium hydroxide solution, finally take out use
Deionized water rinsing one time is spare；
B. the attapulgite after a processing will be operated to be put into calcining furnace and carry out calcination processing, taken out after 1 ~ 2h spare；
C. the attapulgite after b processing will be operated to put into and carry out pulverization process in pulverizer, after the completion of take out it is spare；
（2）It is prepared by modified protein：
A. 1000 mesh will be crossed after crush maize, then the corn flour of crushing is put into the ethanol solution of 12 ~ 15 times of its gross mass
In, be stirred continuously after 20 ~ 25min of mixed processing mixed liquor A is spare；
B. the mixed liquor A operated obtained by a is put into 1 ~ 1.5h of concussion extraction in constant temperature oscillator, mixed liquor is carried out after taking-up
Suction filtration processing, it is spare to obtain smoke filtrate；
C. by the smoke filtrate obtained by operation b with saltouing liquid according to weight ratio 1:1 ~ 1.5 is mixed, and is put into reaction kettle constantly
It is spare that mixed liquid B is obtained after 10 ~ 15min of supersound process；The material composition of the liquid by following parts by weight of saltouing：1 ~ 2 part of sodium chloride,
0.5 ~ 1 part of phytic acid, 1 ~ 1.5 part of citric acid, 2 ~ 4 parts of silane coupling agents, 1 ~ 3 part of neopelex, 90 ~ 100 parts of water；
D. the mixed liquid B operated obtained by c is put into centrifuge processing is centrifuged, after the completion of consolidate to centrifuging gained
Body isolate be dried processing after modified protein it is spare；
（3）Modification：
By step（1）Filler, step after processing（2）The modified protein of gained, deionized water are according to weight ratio 12 ~ 15:1~
1.5:260 ~ 280, which carry out mixing, is put into reaction kettle, and it is 42 ~ 46 DEG C that heating, which keeps the temperature of reaction kettle, continuous microwave treatment
Filtering is taken out after 15 ~ 20min, filler is got product after processing is dried to the filter residue obtained by filtering.
Further, step（1）The mass fraction for operating the phosphoric acid solution described in a is 6 ~ 8%, the quality of salpeter solution
Fraction is 8 ~ 10%, and the mass fraction of sodium hydroxide solution is 10 ~ 12%.
Further, step（1）Temperature control when operating the calcination processing described in b is 800 ~ 850 DEG C.
Further, step（1）The granular size of attapulgite is 500 ~ 600 mesh after pulverization process described in operation c.
Further, step（2）The volume fraction for operating ethanol in the ethanol solution described in a is 50 ~ 55%.
Further, step（2）The frequency for operating the supersound process described in c is 80 ~ 85kHz.
Further, step（2）Operate d described in centrifuging treatment when centrifugal rotational speed for 9000 ~ 10000 turns/
Minute.
Further, step（2）The temperature for operating the drying process described in d is 65 ~ 70 DEG C.
Further, step（3）Described in the power of microwave treatment be 500 ~ 600W.
Further, step（3）Described in drying process temperature be 80 ~ 85 DEG C.
The present invention is modified it processing by special processing method, effectively carries using attapulgite as main substance
Rise its synthesis and used quality, compensate for the performance deficiency that existing attapulgite filler uses.Wherein first attapulgite is carried out
Pretreatment operation, the magazine component in it is effectively eliminated by the immersion treatment of acid-base solution, has dredged hole, has improved
Specific surface area, then by calcination processing, further improve specific surface area and adsorption capacity, subsequent and special one kind
Modified protein, is specifically a kind of modified corn alcohol soluble protein, during prepared by zeins extraction, with the addition of one kind
The liquid of saltouing solely matched somebody with somebody, by phytic acid, citric acid, silane coupling agent, neopelex collective effect, improve corn
The surface-active of alcohol soluble protein, enhances it and is crosslinked adhesive capacity, finally with this special modified protein to attapulgite filler
Component carries out surface modification treatment, improves the compatible knot between the matrix composition such as attapulgite filler and wood powder, plastics well
Conjunction ability, improves mechanical characteristic of wood plastic composite etc., has filling using effect well.
The present invention has the following advantages compared with prior art：
The present invention has carried out filler special modification, the compatible knot between the raw material of gained and the component of wood plastic composite
It is strong to close performance, effectively improves the overall mechanical characteristic of wood plastic composite, reduces its expansion rate of water absorption, extend use
In the service life, have filling use value and the market competitiveness well.
Embodiment
Embodiment 1
A kind of preparation method of wood plastics composite construction material filler, includes the following steps：
（1）Filler pre-treatment：
A. attapulgite is first put into immersion treatment 20min in phosphoric acid solution, after the completion of take out and place into salpeter solution
Immersion treatment 15min, after the completion of take out and be put into immersion treatment 10min in sodium hydroxide solution, last taking-up deionized water
Rinse one time it is spare；
B. the attapulgite after a processing will be operated to be put into calcining furnace and carry out calcination processing, taken out after 1h spare；
C. the attapulgite after b processing will be operated to put into and carry out pulverization process in pulverizer, after the completion of take out it is spare；
（2）It is prepared by modified protein：
A. 1000 mesh will be crossed after crush maize, then put into the corn flour of crushing in the ethanol solution of 12 times of its gross mass,
Be stirred continuously after mixed processing 20min mixed liquor A is spare；
B. the mixed liquor A operated obtained by a is put into concussion extraction 1h in constant temperature oscillator, mixed liquor is filtered after taking-up
Processing, it is spare to obtain smoke filtrate；
C. by the smoke filtrate obtained by operation b with saltouing liquid according to weight ratio 1:1 is mixed, and is put into reaction kettle constantly ultrasound
It is spare that mixed liquid B is obtained after processing 10min；The material composition of the liquid by following parts by weight of saltouing：1 part of sodium chloride, 0.5 part of plant
Acid, 1 part of citric acid, 2 parts of silane coupling agents, 1 part of neopelex, 90 parts of water；
D. the mixed liquid B operated obtained by c is put into centrifuge processing is centrifuged, after the completion of consolidate to centrifuging gained
Body isolate be dried processing after modified protein it is spare；
（3）Modification：
By step（1）Filler, step after processing（2）The modified protein of gained, deionized water are according to weight ratio 12:1:260 into
Row mixing is put into reaction kettle, and it is 42 DEG C that heating, which keeps the temperature of reaction kettle, and filtering is taken out after continuous microwave treatment 15min,
Filler is got product after processing is dried to the filter residue obtained by filtering.
Further, step（1）The mass fraction for operating the phosphoric acid solution described in a is 6%, the quality point of salpeter solution
Number is 8%, and the mass fraction of sodium hydroxide solution is 10%.
Further, step（1）Temperature control when operating the calcination processing described in b is 800 DEG C.
Further, step（1）The granular size of attapulgite is 500 ~ 600 mesh after pulverization process described in operation c.
Further, step（2）The volume fraction for operating ethanol in the ethanol solution described in a is 50%.
Further, step（2）The frequency for operating the supersound process described in c is 80kHz.
Further, step（2）Centrifugal rotational speed when operating the centrifuging treatment described in d is 9000 revs/min.
Further, step（2）The temperature for operating the drying process described in d is 65 DEG C.
Further, step（3）Described in the power of microwave treatment be 500W.
Further, step（3）Described in drying process temperature be 80 DEG C.
Embodiment 2
A kind of preparation method of wood plastics composite construction material filler, includes the following steps：
（1）Filler pre-treatment：
A. attapulgite is first put into immersion treatment 23min in phosphoric acid solution, after the completion of take out and place into salpeter solution
Immersion treatment 18min, after the completion of take out and be put into immersion treatment 12min in sodium hydroxide solution, last taking-up deionized water
Rinse one time it is spare；
B. the attapulgite after a processing will be operated to be put into calcining furnace and carry out calcination processing, taken out after 1.5h spare；
C. the attapulgite after b processing will be operated to put into and carry out pulverization process in pulverizer, after the completion of take out it is spare；
（2）It is prepared by modified protein：
A. 1000 mesh will be crossed after crush maize, then put into the corn flour of crushing in the ethanol solution of 14 times of its gross mass,
Be stirred continuously after mixed processing 22min mixed liquor A is spare；
B. the mixed liquor A operated obtained by a is put into concussion extraction 1.2h in constant temperature oscillator, mixed liquor is taken out after taking-up
Filter is handled, and it is spare to obtain smoke filtrate；
C. by the smoke filtrate obtained by operation b with saltouing liquid according to weight ratio 1:1.3 are mixed, and are put into reaction kettle constantly super
It is spare that mixed liquid B is obtained after sonication 13min；The material composition of the liquid by following parts by weight of saltouing：1.5 parts of sodium chloride, 0.8 part
Phytic acid, 1.2 parts of citric acids, 3 parts of silane coupling agents, 2 parts of neopelexes, 95 parts of water；
D. the mixed liquid B operated obtained by c is put into centrifuge processing is centrifuged, after the completion of consolidate to centrifuging gained
Body isolate be dried processing after modified protein it is spare；
（3）Modification：
By step（1）Filler, step after processing（2）The modified protein of gained, deionized water are according to weight ratio 14:1.2:270
Carry out mixing to be put into reaction kettle, it is 45 DEG C that heating, which keeps the temperature of reaction kettle, is taken out after continuous microwave treatment 18min
Filter, filler is got product after processing is dried to the filter residue obtained by filtering.
Further, step（1）The mass fraction for operating the phosphoric acid solution described in a is 7%, the quality point of salpeter solution
Number is 9%, and the mass fraction of sodium hydroxide solution is 11%.
Further, step（1）Temperature control when operating the calcination processing described in b is 820 DEG C.
Further, step（1）The granular size of attapulgite is 500 ~ 600 mesh after pulverization process described in operation c.
Further, step（2）The volume fraction for operating ethanol in the ethanol solution described in a is 53%.
Further, step（2）The frequency for operating the supersound process described in c is 82kHz.
Further, step（2）Centrifugal rotational speed when operating the centrifuging treatment described in d is 9800 revs/min.
Further, step（2）The temperature for operating the drying process described in d is 68 DEG C.
Further, step（3）Described in the power of microwave treatment be 550W.
Further, step（3）Described in drying process temperature be 83 DEG C.
Embodiment 3
A kind of preparation method of wood plastics composite construction material filler, includes the following steps：
（1）Filler pre-treatment：
A. attapulgite is first put into immersion treatment 25min in phosphoric acid solution, after the completion of take out and place into salpeter solution
Immersion treatment 20min, after the completion of take out and be put into immersion treatment 15min in sodium hydroxide solution, last taking-up deionized water
Rinse one time it is spare；
B. the attapulgite after a processing will be operated to be put into calcining furnace and carry out calcination processing, taken out after 2h spare；
C. the attapulgite after b processing will be operated to put into and carry out pulverization process in pulverizer, after the completion of take out it is spare；
（2）It is prepared by modified protein：
A. 1000 mesh will be crossed after crush maize, then put into the corn flour of crushing in the ethanol solution of 15 times of its gross mass,
Be stirred continuously after mixed processing 25min mixed liquor A is spare；
B. the mixed liquor A operated obtained by a is put into concussion extraction 1.5h in constant temperature oscillator, mixed liquor is taken out after taking-up
Filter is handled, and it is spare to obtain smoke filtrate；
C. by the smoke filtrate obtained by operation b with saltouing liquid according to weight ratio 1:1.5 are mixed, and are put into reaction kettle constantly super
It is spare that mixed liquid B is obtained after sonication 15min；The material composition of the liquid by following parts by weight of saltouing：2 parts of sodium chloride, 1 part of plant
Acid, 1.5 parts of citric acids, 4 parts of silane coupling agents, 3 parts of neopelexes, 100 parts of water；
D. the mixed liquid B operated obtained by c is put into centrifuge processing is centrifuged, after the completion of consolidate to centrifuging gained
Body isolate be dried processing after modified protein it is spare；
（3）Modification：
By step（1）Filler, step after processing（2）The modified protein of gained, deionized water are according to weight ratio 15:1.5:280
Carry out mixing to be put into reaction kettle, it is 46 DEG C that heating, which keeps the temperature of reaction kettle, is taken out after continuous microwave treatment 20min
Filter, filler is got product after processing is dried to the filter residue obtained by filtering.
Further, step（1）The mass fraction for operating the phosphoric acid solution described in a is 8%, the quality point of salpeter solution
Number is 10%, and the mass fraction of sodium hydroxide solution is 12%.
Further, step（1）Temperature control when operating the calcination processing described in b is 850 DEG C.
Further, step（1）The granular size of attapulgite is 500 ~ 600 mesh after pulverization process described in operation c.
Further, step（2）The volume fraction for operating ethanol in the ethanol solution described in a is 55%.
Further, step（2）The frequency for operating the supersound process described in c is 85kHz.
Further, step（2）Centrifugal rotational speed when operating the centrifuging treatment described in d is 10000 revs/min.
Further, step（2）The temperature for operating the drying process described in d is 70 DEG C.
Further, step（3）Described in the power of microwave treatment be 600W.
Further, step（3）Described in drying process temperature be 85 DEG C.
Comparative example 1
This comparative example 1 compared with Example 2, in step（3）In modification with etc. mass parts common commercially available corn alcohol
Molten albumen substituting modification protein ingredient, method and step all same in addition.
Comparative example 2
This comparative example 2 compared with Example 2, saves step（2）Modified protein prepares and step（3）Modification processing behaviour
Make, method and step all same in addition.
Control group
Existing commercially available attapulgite inorganic filler components.
It is in order to contrast effect of the present invention, above-described embodiment 2, comparative example 1, comparative example 2, control group is corresponding
Filler component is used in the making of PVC wood plastic composite material, its percentage by weight filled is 8%, and wherein PVC wood plastic is compound
Remaining component of material by following parts by weight material composition：40 parts of wood powders, 50 parts of polyvinyl chloride, 8 parts of foaming agents, 3 parts it is scattered
Agent；After finished product is made using identical processing method, then performance detection is carried out to finished product PVC wood plastic composite material, specifically contrast number
According to as shown in table 1 below：
Table 1
| Bending strength（MPa） | Plate face nail-holding ability（kN） | Thickness swelling rate（%） | |
| Embodiment 2 | 16.7 | 1.38 | 0.46 |
| Comparative example 1 | 14.6 | 1.26 | 0.67 |
| Comparative example 2 | 13.0 | 1.11 | 0.89 |
| Control group | 12.6 | 1.02 | 0.92 |
Note：Bending strength described in upper table 1 is tested with reference to the requirement of GB/T 24137-2009；The plate face holds nail
Power method with reference to as defined in 4. 10 in GB/T 17657-1999 is tested；The thickness swelling rate refers to try
Sample soaks the expansion rate of its thickness after 96h in water.
Filler made from the method for the present invention can effectively improve the synthesis of wood plastic composite and make it can be seen from upper table 1
With performance, enhance its synthesis and use quality, great popularizing value.
Claims (10)
1. a kind of preparation method of wood plastics composite construction material filler, it is characterised in that include the following steps：
（1）Filler pre-treatment：
A. attapulgite is first put into 20 ~ 25min of immersion treatment in phosphoric acid solution, after the completion of take out place into salpeter solution
Middle 15 ~ 20min of immersion treatment, after the completion of take out be put into 10 ~ 15min of immersion treatment in sodium hydroxide solution, finally take out use
Deionized water rinsing one time is spare；
B. the attapulgite after a processing will be operated to be put into calcining furnace and carry out calcination processing, taken out after 1 ~ 2h spare；
C. the attapulgite after b processing will be operated to put into and carry out pulverization process in pulverizer, after the completion of take out it is spare；
（2）It is prepared by modified protein：
A. 1000 mesh will be crossed after crush maize, then the corn flour of crushing is put into the ethanol solution of 12 ~ 15 times of its gross mass
In, be stirred continuously after 20 ~ 25min of mixed processing mixed liquor A is spare；
B. the mixed liquor A operated obtained by a is put into 1 ~ 1.5h of concussion extraction in constant temperature oscillator, mixed liquor is carried out after taking-up
Suction filtration processing, it is spare to obtain smoke filtrate；
C. by the smoke filtrate obtained by operation b with saltouing liquid according to weight ratio 1:1 ~ 1.5 is mixed, and is put into reaction kettle constantly
It is spare that mixed liquid B is obtained after 10 ~ 15min of supersound process；The material composition of the liquid by following parts by weight of saltouing：1 ~ 2 part of sodium chloride,
0.5 ~ 1 part of phytic acid, 1 ~ 1.5 part of citric acid, 2 ~ 4 parts of silane coupling agents, 1 ~ 3 part of neopelex, 90 ~ 100 parts of water；
D. the mixed liquid B operated obtained by c is put into centrifuge processing is centrifuged, after the completion of consolidate to centrifuging gained
Body isolate be dried processing after modified protein it is spare；
（3）Modification：
By step（1）Filler, step after processing（2）The modified protein of gained, deionized water are according to weight ratio 12 ~ 15:1~
1.5:260 ~ 280, which carry out mixing, is put into reaction kettle, and it is 42 ~ 46 DEG C that heating, which keeps the temperature of reaction kettle, continuous microwave treatment
Filtering is taken out after 15 ~ 20min, filler is got product after processing is dried to the filter residue obtained by filtering.
A kind of 2. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（1）The mass fraction for operating the phosphoric acid solution described in a is 6 ~ 8%, and the mass fraction of salpeter solution is 8 ~ 10%, and sodium hydroxide is molten
The mass fraction of liquid is 10 ~ 12%.
A kind of 3. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（1）Temperature control when operating the calcination processing described in b is 800 ~ 850 DEG C.
A kind of 4. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（1）The granular size of attapulgite is 500 ~ 600 mesh after pulverization process described in operation c.
A kind of 5. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（2）The volume fraction for operating ethanol in the ethanol solution described in a is 50 ~ 55%.
A kind of 6. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（2）The frequency for operating the supersound process described in c is 80 ~ 85kHz.
A kind of 7. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（2）Centrifugal rotational speed when operating the centrifuging treatment described in d is 9000 ~ 10000 revs/min.
A kind of 8. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（2）The temperature for operating the drying process described in d is 65 ~ 70 DEG C.
A kind of 9. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
（3）Described in the power of microwave treatment be 500 ~ 600W.
A kind of 10. preparation method of wood plastics composite construction material filler according to claim 1, it is characterised in that step
Suddenly（3）Described in drying process temperature be 80 ~ 85 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237841.4A CN107916003A (en) | 2017-11-30 | 2017-11-30 | A kind of preparation method of wood plastics composite construction material filler |
Applications Claiming Priority (1)
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| CN108852906A (en) * | 2018-07-09 | 2018-11-23 | 安徽衣露士生物科技有限公司 | A kind of hand cleanser that dirt-removing power is strong |
| CN108997793A (en) * | 2018-04-24 | 2018-12-14 | 曹俊峰 | A kind of processing method of the inorganic filler for pervious asphalt production |
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| CN108997793A (en) * | 2018-04-24 | 2018-12-14 | 曹俊峰 | A kind of processing method of the inorganic filler for pervious asphalt production |
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Application publication date: 20180417 |