CN109129808A - A kind of preparation method of novel high-strength environment-friendly sheet - Google Patents
A kind of preparation method of novel high-strength environment-friendly sheet Download PDFInfo
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- CN109129808A CN109129808A CN201811206779.7A CN201811206779A CN109129808A CN 109129808 A CN109129808 A CN 109129808A CN 201811206779 A CN201811206779 A CN 201811206779A CN 109129808 A CN109129808 A CN 109129808A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Paints Or Removers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of preparation methods of high-strength environment-friendly plate, it is related to environment-friendly materials field, the following steps are included: being pulverized and mixed of wooden material-boiling defibrator process-wood fibre preparation-wood fibre of wooden material and mixing-material of adhesive are mated formation, precompressed and hot pressing-sanding processing and water-repellent paint roller coating, the method of the present invention is ground by waste wood and the boiling of Chinese herbal medicine additives mixed, the wood materials of preparation, with good antibiotic property, anti-corrosion insect resistance, by the way that wooden material conch meal mixing adhesive is bonded, the plate of compacting into preparation has good hardness strength, raw material sources are extensive, production cost is low.
Description
Technical field
The present invention relates to environment-friendly materials fields, and in particular to a kind of preparation method of novel high-strength environment-friendly sheet.
Background technique
China is the unbalance country with scarcity of resources of a forest structure, and timber resources imbalance between supply and demand becomes increasingly conspicuous, raw material
The in short supply of supply has become the bottleneck for restricting industry of artificial boards development, but the pressure that there is lack of raw materials also accelerates artificial industry wood
The adjustment of material supply channel, for example, accelerating the recycling to waste wood material resources.The circulation benefit that waste wood just comes
With the raw material that waste wood material makees wood-based panel industry both having may be implemented, link timber resources is insufficient to a certain extent
Pressure, and can change traditional approach one direction lumber consumption mode.
Chinese patent CN103419265A discloses a kind of process using waste wood production medium density fibre board (MDF),
Residue such as scantling, lath, waste single boards and the log core processed using raw material using good-for-nothing branch and timber；
It produces the sizing process during this kind of fiberboard and uses Lauxite；The process flow for producing this kind of fiberboard is-raw material cuts
Piece-screening-slurrying-sizing-drying-is mated formation-precompressed-hot pressing-buck-saw side-sanding-molding.But the urea that the present invention uses
The glue-line that urea formaldehyde generates is crisp easy to aging, while there are problems that discharging free formaldehyde pollution environment in use.
Chinese patent CN105500491A discloses a kind of production technology of low-methoxyl aldehyde wood-based plate, including chips, screens, digs
Piece, drying etc..Compared with existing Wood-based Panel Production technique, curing agent of the present invention will not be scrapped, and not will cause rubber tube blocking,
The corrosiveness to equipment is decreased, and glue mixing effect is more preferable；The exhaust gas that hot pressing is generated carries out water process, filters out it
In dust and free formaldehyde, prevented due in line to environment generate pollution the phenomenon that.But in the present invention timber without
Boiling directly carries out hot pressing of mating formation, and the plate inner aqueous rate of production is low, easy season cracking, while the mothproof performance of the preservation of timber against decay
It is not good enough.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of preparation sides of novel high-strength environment-friendly sheet
Method, the method for the present invention are ground by waste wood and the boiling of Chinese herbal medicine additives mixed, and the wood materials of preparation have good
Antibiotic property, anti-corrosion insect resistance, by the way that wooden material conch meal mixing adhesive to be bonded, the plate of compacting into preparation has good
Hardness strength, raw material sources are extensive, and production cost is low.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of preparation method of novel environment friendly high-strength environment-friendly plate, comprising the following steps:
(1) waste wood is sent to pulverizer and is crushed to partial size less than 1 centimetre, while Chinese herbal medicine additive is crushed to grain
Diameter is uniformly mixed less than 1 centimetre, by Chinese herbal medicine additive and waste wood material according to the mass ratio of 1-3:50, obtains wooden material；
The Chinese herbal medicine additive includes following raw material: cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Cortex Eucommiae, rhizoma menispermi and peppermint；
(2) wooden material is added in screening machine after vibration screening removal silt impurity, is equivalent to its weight 3-8% to addition
Sodium sulfite be stirred after, be added boiling vessel in carry out boiling softening；
(3) the wooden material after boiling softening in step (2) is added in defibrator and is carried out defibrator process 2-4 hours, in defibrator
Steam pressure control is in 0.8-1.2MPa；
(4) the wooden material after defibrator process is sent into drying duct and is dried, control moisture rate to 4-8% to get wooden
Fiber；
(5) conch meal for being equivalent to its weight 15-30% is added into wood fibre, after being uniformly mixed, glue is added
Glutinous agent, is uniformly mixed with 1200-1800 revs/min of speed, after being mated formation using spreading machine, is placed in cold press
It after carrying out precompressed under 12-20MPa, is placed in hot press and carries out hot pressing, stand 20-30 hours, to get slab after cutting finishing；
(6) the slab ratio after sawing is shown after carrying out sanding processing, the water-repellent paint of one layer of 0.5-5 millimeters thick of roller coating,
It is placed in hothouse under 60-70 degrees Celsius, dry 20 hours to get the novel high-strength environment-friendly sheet；
The water-repellent paint includes the raw material of following parts by weight meter: 32-38 parts of polyurethane, 2-4 parts of eucalyptus oil, negative ion powder
1-3 parts, 2-6 parts of nano-titanium dioxide, 1-4 parts of white carbon black, 1-3 parts of methacrylate, 0.8-1.6 parts of benzoyl peroxide,
0.6-1.2 parts of vinyl-three (2- methoxy ethoxy) silane and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) propionic acid positive 18
0.4-0.8 parts of ester.
Preferably, the Chinese herbal medicine additive in the step (1) includes the raw material of following parts by weight: 3-7 parts of cape jasmine, argy wormwood
15-22 parts, 3-7 parts of Dalmatian chrysanthemum, 8-12 parts of dried orange peel, 10-15 parts of Cortex Eucommiae, 4-8 parts of rhizoma menispermi and 5-10 parts of peppermint.
Preferably, the boiling soft condition in the step (2) is 120-130 degrees Celsius of boiling temperature, cooking pressure
0.6-0.9MPa, time 5-10 minute.
Preferably, the drying condition in the step (4) are as follows: the entrance hot air temperature of drying duct is that 160-200 is Celsius
Degree, the outlet hot air temperature of drying duct are 60-70 degrees Celsius.
Preferably, the conch meal in the step (5) is modified conch meal, the preparation method is as follows:
(1) shell is cleaned and is impregnated 30-40 minutes in the hydrochloric acid solution that mass concentration is 0.1-0.3%, taking-up drains
High-temperature calcination afterwards 1-2 hours, is eluted with water, and drying smashed and ground 100-200 mesh；
(2) conch meal is placed in the ethanol solution that mass concentration is 30-40%, after ultrasonic vibration 10-15 minutes, is dried
It is dry；
(3) neopelex dispersing agent is added in the sodium hydroxide solution that mass concentration is 0.1-0.3%,
Carbon nanotube is added under stirring, conch meal is added after being uniformly dispersed, continues stirring 30-60 minutes, product is filtered, is ultrasonic
It is dry to get modified conch meal after concussion cleaning.
Preferably, the conch meal and the mass ratio of carbon nanotube are 25:1.
Preferably, the adhesive in the step (5) includes the raw material of following parts by weight meter: Isocyanate resin 46
Part, 35 parts of soybean glue, 16 parts of diaminobenzene ether sulfonic acid sodium, 3 parts of eucalyptus oil, 3 parts of organic amino resins, nano silica 4
Part and 2.5 parts of eucalyptus citriodora oil.
Preferably, the usage amount of the adhesive is the 8-10% of wood fibre weight.
Preferably, the hot pressing condition in the step (5) is 235-248 degrees Celsius of hot pressing temperature, hot pressing pressure 70-
80MPa。
Preferably, step (6) water-repellent paint the preparation method is as follows:
(1) polyurethane heating and methacrylate are uniformly mixed, 63-68 degrees Celsius are warming up to, in 600-800
Rev/min mixing speed under, benzoyl peroxide is slowly added dropwise thereto, after completion of dropwise addition, continues to be stirred to react 50-60 points
Zhong Hou obtains mixture A；
(2) after the surplus stock of water-repellent paint is added into mixture A, after mixing evenly, high speed shear is opened, with
1500-2000 revs/min of speed vacuumizes after high speed shear 20-30 minutes, and deaeration 8-15 minutes to get waterproof painting
Material.
The present invention have it is following the utility model has the advantages that
(1) the method for the present invention is ground by waste wood and the boiling of Chinese herbal medicine additives mixed, the wood materials of preparation, tool
There is good antibiotic property, anti-corrosion insect resistance, by the way that wooden material conch meal mixing adhesive to be bonded, compacting forms the plate of preparation
With good hardness strength, raw material sources are extensive, and production cost is low.
(2) present invention is crushed and Chinese herbal medicine additive (cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Du by nut waste wood
Secondary, rhizoma menispermi and peppermint) the common boiling defibrator process of mixing, Dalmatian chrysanthemum, cape jasmine, Cortex Eucommiae and rhizoma menispermi and the common boiling of waste wood,
The deinsectization insect resistance of wooden material can be improved in its active principle discharged, while the active principle in dried orange peel and peppermint and argy wormwood can
To improve the antibiotic property of wooden material, the synthesis of wooden material can effectively improve by the coordinated between Chinese herbal medicine additive component
Performance, and safety and environmental protection, it is nontoxic.
(3) present invention addition conch meal in wood fibre, conch meal is from a wealth of sources, at low cost, and plate not only can be improved
The intensity and antiseptic property of material, and conch meal is porous fibrous double helix construction structure, has effects that adsorb pernicious gas,
The purification ability of air of plate is improved, while having the function of good anti-flammability and absorbing sound and lowering noise.
(4) adhesive that the present invention uses is Isocyanate resin, soybean glue, ten diaminobenzene ether sulfonic acid sodium, eucalyptus
The mixture for setting oily, organic amino resins, nano silica and eucalyptus citriodora oil, has good adhesion, the toughness of adhesive
Greatly, duration is strong, environmentally protective, and formaldehydeless substance generates.
(5) present invention in outside slab one layer of water-repellent paint of roller coating, can effectively improve the waterproofness and anti-corrosion of plate
Property, water-repellent paint is polyurethane, eucalyptus oil, negative ion powder, nano-titanium dioxide, white carbon black, methacrylate, benzoyl peroxide
Formyl, (2- methoxy ethoxy) silane of vinyl-three and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) positive octadecyl ester of propionic acid
Mixture, polyurethane has good waterproofness, by the compound action of methacrylate and benzoyl peroxide, in polyurethane
Surface grafting methacrylate can effectively improve the caking property and flexibility of polyurethane, improve the bond strength of coating, together
When coating in by the cooperation of eucalyptus oil, negative ion powder, white carbon black and titanium dioxide, can effectively improve the deinsectization, anti-of plate
Bacterium and corrosion resistance.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of preparation method of novel environment friendly high-strength environment-friendly plate, comprising the following steps:
(1) waste wood is sent to pulverizer and is crushed to partial size less than 1 centimetre, while Chinese herbal medicine additive is crushed to grain
Diameter is uniformly mixed less than 1 centimetre, by Chinese herbal medicine additive and waste wood material according to the mass ratio of 1:50, obtains wooden material；
Chinese herbal medicine additive includes following raw material: cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Cortex Eucommiae, rhizoma menispermi and peppermint；
(2) wooden material is added in screening machine after vibration screening removal silt impurity, is equivalent to its weight 3% to addition
After sodium sulfite is stirred, it is added in boiling vessel and carries out boiling softening；
(3) the wooden material after boiling softening in step (2) is added in defibrator and is carried out defibrator process 2 hours, steamed in defibrator
Steam pressure is controlled in 0.8MPa；
(4) the wooden material after defibrator process is sent into drying duct and is dried, control moisture rate to 4% to get wooden fibre
Dimension；
(5) conch meal for being equivalent to its weight 15% is added into wood fibre, after being uniformly mixed, gluing is added
Agent is uniformly mixed with 1200 revs/min of speed, after being mated formation using spreading machine, is placed in cold press at 12MPa
It after carrying out precompressed, is placed in hot press and carries out hot pressing, stand 20 hours, to get slab after cutting finishing；
(6) the slab ratio after sawing is shown after carrying out sanding processing that the water-repellent paint of one layer of 0.5 millimeters thick of roller coating is set
Enter in hothouse at 60 c, dry 20 hours to get the novel high-strength environment-friendly sheet；
Water-repellent paint includes the raw material of following parts by weight meter: 32 parts of polyurethane, 2 parts of eucalyptus oil, negative ion powder 1 part, nanometer
2 parts of titanium dioxide, 1 part of white carbon black, 1 part of methacrylate, 0.8 part of benzoyl peroxide, (the 2- methoxyl group second of vinyl-three
Oxygroup) 0.4 part of positive octadecyl ester of 0.6 part of silane and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) propionic acid.
Chinese herbal medicine additive in step (1) includes the raw material of following parts by weight: 3 parts of cape jasmine, 15 parts of argy wormwood, Dalmatian chrysanthemum 3
Part, 8 parts of dried orange peel, 10 parts of Cortex Eucommiae, 4 parts of rhizoma menispermi and 5 parts of peppermint.
Boiling soft condition in step (2) is 120 degrees Celsius of boiling temperature, cooking pressure 0.6MPa, the time 5 minutes.
Drying condition in step (4) are as follows: the entrance hot air temperature of drying duct is 160 degrees Celsius, and drying duct goes out
Mouth hot air temperature is 60 degrees Celsius.
Conch meal in step (5) is modified conch meal, the preparation method is as follows:
(1) shell is cleaned and is impregnated 30 minutes in the hydrochloric acid solution that mass concentration is 0.1%, taking-up drains rear high temperature and forges
It burns, 1 hour, is eluted with water, dry, smashing and grinding sieves with 100 mesh sieve；
(2) conch meal is placed in the ethanol solution that mass concentration is 30%, ultrasonic vibration after ten minutes, is dried；
(3) neopelex dispersing agent is added in the sodium hydroxide solution that mass concentration is 0.1%, is stirring
Carbon nanotube is added under state, conch meal is added after being uniformly dispersed, continues stirring 30 minutes, product is filtered, ultrasonic vibration is clear
It is dry to get modified conch meal after washing.
Conch meal and the mass ratio of carbon nanotube are 25:1.
Adhesive in step (5) includes the raw material of following parts by weight meter: 46 parts of Isocyanate resin, soybean glue 35
Part, 16 parts of diaminobenzene ether sulfonic acid sodium, 3 parts of eucalyptus oil, 3 parts of organic amino resins, 4 parts of nano silica and eucalyptus citriodora oil
2.5 part.
The usage amount of adhesive is the 10% of wood fibre weight.
Hot pressing condition in step (5) is 235 degrees Celsius of hot pressing temperature, hot pressing pressure 70MPa.
Step (6) water-repellent paint the preparation method is as follows:
(1) polyurethane heating and methacrylate are uniformly mixed, 63 degrees Celsius are warming up to, at 600 revs/min
Mixing speed under, benzoyl peroxide is slowly added dropwise thereto, after completion of dropwise addition, continues after being stirred to react 50 minutes, obtains mixed
Close object A；
(2) after the surplus stock of water-repellent paint is added into mixture A, after mixing evenly, high speed shear is opened, with 1500
Rev/min speed, high speed shear after twenty minutes, vacuumizes, and deaeration 8 minutes to get the water-repellent paint.
Embodiment 2
A kind of preparation method of novel environment friendly high-strength environment-friendly plate, comprising the following steps:
(1) waste wood is sent to pulverizer and is crushed to partial size less than 1 centimetre, while Chinese herbal medicine additive is crushed to grain
Diameter is uniformly mixed less than 1 centimetre, by Chinese herbal medicine additive and waste wood material according to the mass ratio of 3:50, obtains wooden material；
Chinese herbal medicine additive includes following raw material: cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Cortex Eucommiae, rhizoma menispermi and peppermint；
(2) wooden material is added in screening machine after vibration screening removal silt impurity, is equivalent to its weight 8% to addition
After sodium sulfite is stirred, it is added in boiling vessel and carries out boiling softening；
(3) the wooden material after boiling softening in step (2) is added in defibrator and is carried out defibrator process 4 hours, steamed in defibrator
Steam pressure is controlled in 1.2MPa；
(4) the wooden material after defibrator process is sent into drying duct and is dried, control moisture rate to 8% to get wooden fibre
Dimension；
(5) conch meal for being equivalent to its weight 30% is added into wood fibre, after being uniformly mixed, gluing is added
Agent is uniformly mixed with 1800 revs/min of speed, after being mated formation using spreading machine, is placed in cold press at 20MPa
It after carrying out precompressed, is placed in hot press and carries out hot pressing, stand 30 hours, to get slab after cutting finishing；
(6) the slab ratio after sawing is shown after carrying out sanding processing, the water-repellent paint of one layer of 5 millimeters thick of roller coating, merging
In hothouse under 70 degrees Celsius, dry 20 hours to get the novel high-strength environment-friendly sheet；
Water-repellent paint includes the raw material of following parts by weight meter: 38 parts of polyurethane, 4 parts of eucalyptus oil, negative ion powder 3 part, nanometer
6 parts of titanium dioxide, 4 parts of white carbon black, 3 parts of methacrylate, 1.6 parts of benzoyl peroxide, (the 2- methoxyl group second of vinyl-three
Oxygroup) 0.8 part of positive octadecyl ester of 1.2 parts of silane and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) propionic acid.
Chinese herbal medicine additive in step (1) includes the raw material of following parts by weight: 7 parts of cape jasmine, 22 parts of argy wormwood, Dalmatian chrysanthemum 7
Part, 12 parts of dried orange peel, 15 parts of Cortex Eucommiae, 8 parts of rhizoma menispermi and 10 parts of peppermint.
Boiling soft condition in step (2) is 130 degrees Celsius of boiling temperature, cooking pressure 0.9MPa, the time 10 minutes.
Drying condition in step (4) are as follows: the entrance hot air temperature of drying duct is 200 degrees Celsius, and drying duct goes out
Mouth hot air temperature is 70 degrees Celsius.
Conch meal in step (5) is modified conch meal, the preparation method is as follows:
(1) shell is cleaned and is impregnated 40 minutes in the hydrochloric acid solution that mass concentration is 0.3%, taking-up drains rear high temperature and forges
It burns, 2 hours, is eluted with water, dry, smashed and ground 200 meshes；
(2) conch meal is placed in the ethanol solution that mass concentration is 40%, after ultrasonic vibration 15 minutes, drying；
(3) neopelex dispersing agent is added in the sodium hydroxide solution that mass concentration is 0.3%, is stirring
Carbon nanotube is added under state, conch meal is added after being uniformly dispersed, continues stirring 60 minutes, product is filtered, ultrasonic vibration is clear
It is dry to get modified conch meal after washing.
Conch meal and the mass ratio of carbon nanotube are 25:1.
Adhesive in step (5) includes the raw material of following parts by weight meter: 46 parts of Isocyanate resin, soybean glue 35
Part, 16 parts of diaminobenzene ether sulfonic acid sodium, 3 parts of eucalyptus oil, 3 parts of organic amino resins, 4 parts of nano silica and eucalyptus citriodora oil
2.5 part.
The usage amount of adhesive is the 10% of wood fibre weight.
Hot pressing condition in step (5) is 248 degrees Celsius of hot pressing temperature, hot pressing pressure 80MPa.
Step (6) water-repellent paint the preparation method is as follows:
(1) polyurethane heating and methacrylate are uniformly mixed, 68 degrees Celsius are warming up to, at 800 revs/min
Mixing speed under, benzoyl peroxide is slowly added dropwise thereto, after completion of dropwise addition, continues to be stirred to react after sixty minutes, obtain mixed
Close object A；
(2) after the surplus stock of water-repellent paint is added into mixture A, after mixing evenly, high speed shear is opened, with 2000
Rev/min speed vacuumized after high speed shear 30 minutes, deaeration 15 minutes to get the water-repellent paint.
Embodiment 3
A kind of preparation method of novel environment friendly high-strength environment-friendly plate, comprising the following steps:
(1) waste wood is sent to pulverizer and is crushed to partial size less than 1 centimetre, while Chinese herbal medicine additive is crushed to grain
Diameter is uniformly mixed less than 1 centimetre, by Chinese herbal medicine additive and waste wood material according to the mass ratio of 1.8:50, obtains wooden material；
The Chinese herbal medicine additive includes following raw material: cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Cortex Eucommiae, rhizoma menispermi and peppermint；
(2) wooden material is added in screening machine after vibration screening removal silt impurity, is equivalent to its weight 5% to addition
After sodium sulfite is stirred, it is added in boiling vessel and carries out boiling softening；
(3) the wooden material after boiling softening in step (2) is added in defibrator and is carried out defibrator process 2.4 hours, in defibrator
Steam pressure control is in 1.1MPa；
(4) the wooden material after defibrator process is sent into drying duct and is dried, control moisture rate to 6% to get wooden fibre
Dimension；
(5) conch meal for being equivalent to its weight 18% is added into wood fibre, after being uniformly mixed, gluing is added
Agent is uniformly mixed with 1500 revs/min of speed, after being mated formation using spreading machine, is placed in cold press at 17MPa
It after carrying out precompressed, is placed in hot press and carries out hot pressing, stand 26 hours, to get slab after cutting finishing；
(6) the slab ratio after sawing is shown after carrying out sanding processing that the water-repellent paint of one layer of 1.5 millimeters thick of roller coating is set
Enter in hothouse under 68 degrees Celsius, dry 20 hours to get the novel high-strength environment-friendly sheet；
Water-repellent paint includes the raw material of following parts by weight meter: 35 parts of polyurethane, 2.7 parts of eucalyptus oil, 1.8 parts of negative ion powder,
4 parts of nano-titanium dioxide, 3.2 parts of white carbon black, 1.5 parts of methacrylate, 1.2 parts of the benzoyl peroxide, (2- of vinyl-three
Methoxy ethoxy) 0.6 part of positive octadecyl ester of 0.8 part of silane and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) propionic acid.
Chinese herbal medicine additive in step (1) includes the raw material of following parts by weight: 5 parts of cape jasmine, 20 parts of argy wormwood, Dalmatian chrysanthemum 5
Part, 10 parts of dried orange peel, 13 parts of Cortex Eucommiae, 7 parts of rhizoma menispermi and 8 parts of peppermint.
Boiling soft condition in step (2) is 127 degrees Celsius of boiling temperature, cooking pressure 0.7MPa, the time 6 minutes.
Drying condition in step (4) are as follows: the entrance hot air temperature of drying duct is 180 degrees Celsius, and drying duct goes out
Mouth hot air temperature is 66 degrees Celsius.
Conch meal in step (5) is modified conch meal, the preparation method is as follows:
(1) shell is cleaned and is impregnated 36 minutes in the hydrochloric acid solution that mass concentration is 0.2%, taking-up drains rear high temperature and forges
It burns, 1.6 hours, is eluted with water, dry, smashed and ground 160 meshes；
(2) conch meal is placed in the ethanol solution that mass concentration is 34%, after ultrasonic vibration 13 minutes, drying；
(3) neopelex dispersing agent is added in the sodium hydroxide solution that mass concentration is 0.17%, is stirring
It mixes and carbon nanotube is added under state, conch meal is added after being uniformly dispersed, continue stirring 45 minutes, product is through suction filtration, ultrasonic vibration
It is dry to get modified conch meal after cleaning.
Conch meal and the mass ratio of carbon nanotube are 25:1.
Adhesive in step (5) includes the raw material of following parts by weight meter: 46 parts of Isocyanate resin, soybean glue 35
Part, 16 parts of diaminobenzene ether sulfonic acid sodium, 3 parts of eucalyptus oil, 3 parts of organic amino resins, 4 parts of nano silica and eucalyptus citriodora oil
2.5 part.
The usage amount of adhesive is the 8.6% of wood fibre weight.
Hot pressing condition in step (5) is 239 degrees Celsius of hot pressing temperature, hot pressing pressure 76MPa.
Step (6) water-repellent paint the preparation method is as follows:
(1) polyurethane heating and methacrylate are uniformly mixed, 66 degrees Celsius are warming up to, at 680 revs/min
Mixing speed under, benzoyl peroxide is slowly added dropwise thereto, after completion of dropwise addition, continues after being stirred to react 54 minutes, obtains mixed
Close object A；
(2) after the surplus stock of water-repellent paint is added into mixture A, after mixing evenly, high speed shear is opened, with 1800
Rev/min speed vacuumized after high speed shear 26 minutes, deaeration 12 minutes to get the water-repellent paint.
Embodiment 4
A kind of preparation method of novel environment friendly high-strength environment-friendly plate, comprising the following steps:
(1) waste wood is sent to pulverizer and is crushed to partial size less than 1 centimetre, while Chinese herbal medicine additive is crushed to grain
Diameter is uniformly mixed less than 1 centimetre, by Chinese herbal medicine additive and waste wood material according to the mass ratio of 2.6:50, obtains wooden material；
Chinese herbal medicine additive includes following raw material: cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Cortex Eucommiae, rhizoma menispermi and peppermint；
(2) wooden material is added in screening machine after vibration screening removal silt impurity, is equivalent to its weight 7% to addition
After sodium sulfite is stirred, it is added in boiling vessel and carries out boiling softening；
(3) the wooden material after boiling softening in step (2) is added in defibrator and is carried out defibrator process 2-4 hours, in defibrator
Steam pressure control is in 1.1MPa；
(4) the wooden material after defibrator process is sent into drying duct and is dried, control moisture rate to 4-8% to get wooden
Fiber；
(5) conch meal for being equivalent to its weight 29% is added into wood fibre, after being uniformly mixed, gluing is added
Agent is uniformly mixed with 1600 revs/min of speed, after being mated formation using spreading machine, is placed in cold press at 18MPa
It after carrying out precompressed, is placed in hot press and carries out hot pressing, stand 26 hours, to get slab after cutting finishing；
(6) the slab ratio after sawing is shown after carrying out sanding processing that the water-repellent paint of one layer of 3.5 millimeters thick of roller coating is set
Enter in hothouse under 68 degrees Celsius, dry 20 hours to get the novel high-strength environment-friendly sheet；
Water-repellent paint includes the raw material of following parts by weight meter: 37 parts of polyurethane, 3.1 parts of eucalyptus oil, 1.8 parts of negative ion powder,
4.5 parts of nano-titanium dioxide, 3.2 parts of white carbon black, 2.6 parts of methacrylate, 1.3 parts of benzoyl peroxide, vinyl-three
0.6 part of positive octadecyl ester of 0.9 part of (2- methoxy ethoxy) silane and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) propionic acid.
Chinese herbal medicine additive in step (1) includes the raw material of following parts by weight: 6 parts of cape jasmine, 19 parts of argy wormwood, Dalmatian chrysanthemum 5
Part, 10 parts of dried orange peel, 13 parts of Cortex Eucommiae, 6 parts of rhizoma menispermi and 7 parts of peppermint.
Boiling soft condition in step (2) is 127 degrees Celsius of boiling temperature, cooking pressure 0.8MPa, the time 8 minutes.
Drying condition in step (4) are as follows: the entrance hot air temperature of drying duct is 180 degrees Celsius, and drying duct goes out
Mouth hot air temperature is 68 degrees Celsius.
Conch meal in step (5) is modified conch meal, the preparation method is as follows:
(1) shell is cleaned and is impregnated 38 minutes in the hydrochloric acid solution that mass concentration is 1.8%, taking-up drains rear high temperature and forges
It burns, 1.6 hours, is eluted with water, dry, smashed and ground 180 meshes；
(2) conch meal is placed in the ethanol solution that mass concentration is 38%, after ultrasonic vibration 13 minutes, drying；
(3) neopelex dispersing agent is added in the sodium hydroxide solution that mass concentration is 0.25%, is stirring
It mixes and carbon nanotube is added under state, conch meal is added after being uniformly dispersed, continue stirring 48 minutes, product is through suction filtration, ultrasonic vibration
It is dry to get modified conch meal after cleaning.
Conch meal and the mass ratio of carbon nanotube are 25:1.
Adhesive in step (5) includes the raw material of following parts by weight meter: 46 parts of Isocyanate resin, soybean glue 35
Part, 16 parts of diaminobenzene ether sulfonic acid sodium, 3 parts of eucalyptus oil, 3 parts of organic amino resins, 4 parts of nano silica and eucalyptus citriodora oil
2.5 part.
The usage amount of adhesive is the 8.6% of wood fibre weight.
Hot pressing condition in step (5) is 243 degrees Celsius of hot pressing temperature, hot pressing pressure 76MPa.
Step (6) water-repellent paint the preparation method is as follows:
(1) polyurethane heating and methacrylate are uniformly mixed, 66 degrees Celsius are warming up to, at 720 revs/min
Mixing speed under, benzoyl peroxide is slowly added dropwise thereto, after completion of dropwise addition, continues after being stirred to react 58 minutes, obtains mixed
Close object A；
(2) after the surplus stock of water-repellent paint is added into mixture A, after mixing evenly, high speed shear is opened, with 1850
Rev/min speed vacuumized after high speed shear 28 minutes, deaeration 12 minutes to get the water-repellent paint.
Embodiment 5
A kind of preparation method of novel environment friendly high-strength environment-friendly plate, comprising the following steps:
(1) waste wood is sent to pulverizer and is crushed to partial size less than 1 centimetre, while Chinese herbal medicine additive is crushed to grain
Diameter is uniformly mixed less than 1 centimetre, by Chinese herbal medicine additive and waste wood material according to the mass ratio of 2.4:50, obtains wooden material；
Chinese herbal medicine additive includes following raw material: cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Cortex Eucommiae, rhizoma menispermi and peppermint；
(2) wooden material is added in screening machine after vibration screening removal silt impurity, is equivalent to its weight 5.3% to addition
Sodium sulfite be stirred after, be added boiling vessel in carry out boiling softening；
(3) the wooden material after boiling softening in step (2) is added in defibrator and is carried out defibrator process 3.6 hours, in defibrator
Steam pressure control is in 1.1MPa；
(4) the wooden material after defibrator process is sent into drying duct and is dried, control moisture rate to 6% to get wooden fibre
Dimension；
(5) conch meal for being equivalent to its weight 22% is added into wood fibre, after being uniformly mixed, gluing is added
Agent is uniformly mixed with 1500 revs/min of speed, after being mated formation using spreading machine, is placed in cold press at 18MPa
It after carrying out precompressed, is placed in hot press and carries out hot pressing, stand 26 hours, to get slab after cutting finishing；
(6) the slab ratio after sawing is shown after carrying out sanding processing that the water-repellent paint of one layer of 0.8 millimeters thick of roller coating is set
Enter in hothouse under 60-70 degrees Celsius, dry 20 hours to get the novel high-strength environment-friendly sheet；
Water-repellent paint includes the raw material of following parts by weight meter: 34 parts of polyurethane, 3.3 parts of eucalyptus oil, 2.4 parts of negative ion powder,
4.5 parts of nano-titanium dioxide, 2.5 parts of white carbon black, 2 parts of methacrylate, 1.2 parts of the benzoyl peroxide, (2- of vinyl-three
Methoxy ethoxy) 0.6 part of positive octadecyl ester of 0.9 part of silane and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) propionic acid.
Chinese herbal medicine additive in step (1) includes the raw material of following parts by weight: 4 parts of cape jasmine, 18 parts of argy wormwood, Dalmatian chrysanthemum 5
Part, 10 parts of dried orange peel, 13 parts of Cortex Eucommiae, 6 parts of rhizoma menispermi and 8 parts of peppermint.
Boiling soft condition in step (2) is 125 degrees Celsius of boiling temperature, cooking pressure 0.75MPa, the time 8 minutes.
Drying condition in step (4) are as follows: the entrance hot air temperature of drying duct is 180 degrees Celsius, and drying duct goes out
Mouth hot air temperature is 64 degrees Celsius.
Conch meal in step (5) is modified conch meal, the preparation method is as follows:
(1) shell is cleaned and is impregnated 36 minutes in the hydrochloric acid solution that mass concentration is 0.24%, taking-up drains rear high temperature
Calcining, 1.8 hours, is eluted with water, and dries, smashed and ground 170 meshes；
(2) conch meal is placed in the ethanol solution that mass concentration is 38%, after ultrasonic vibration 13 minutes, drying；
(3) neopelex dispersing agent is added in the sodium hydroxide solution that mass concentration is 0.26%, is stirring
It mixes and carbon nanotube is added under state, conch meal is added after being uniformly dispersed, continue stirring 48 minutes, product is through suction filtration, ultrasonic vibration
It is dry to get modified conch meal after cleaning.
Conch meal and the mass ratio of carbon nanotube are 25:1.
Adhesive in step (5) includes the raw material of following parts by weight meter: 46 parts of Isocyanate resin, soybean glue 35
Part, 16 parts of diaminobenzene ether sulfonic acid sodium, 3 parts of eucalyptus oil, 3 parts of organic amino resins, 4 parts of nano silica and eucalyptus citriodora oil
2.5 part.
The usage amount of adhesive is the 9% of wood fibre weight.
Hot pressing condition in step (5) is 243 degrees Celsius of hot pressing temperature, hot pressing pressure 76MPa.
Step (6) water-repellent paint the preparation method is as follows:
(1) polyurethane heating and methacrylate are uniformly mixed, 65 degrees Celsius are warming up to, at 680 revs/min
Mixing speed under, benzoyl peroxide is slowly added dropwise thereto, after completion of dropwise addition, continues after being stirred to react 56 minutes, obtains mixed
Close object A；
(2) after the surplus stock of water-repellent paint is added into mixture A, after mixing evenly, high speed shear is opened, with 1800
Rev/min speed vacuumized after high speed shear 26 minutes, deaeration 12 minutes to get the water-repellent paint.
Comparative example 1: being not added with Chinese herbal medicine additive in sheet material, remaining raw material and preparation method are same as Example 1；
Comparative example 2: being not added with conch meal in sheet material, remaining raw material and preparation method are same as Example 1；
Comparative example 3: non-roller coating water-repellent paint, remaining raw material and preparation method are same as Example 1 in sheet material；
Plate made from novel high-strength environment-friendly sheet made from embodiment 1-5 and comparative example 1-3 is tested for the property,
The results are shown in Table 1:
1 data of analytical table, obtain the following conclusions:
Comparative example 1 and comparative example 1, it can be seen that comparative example 1 declines 8.7% relative to the static bending strength of embodiment 1,
Elasticity modulus decline 3.5%, air purification ability are general, and area of the embodiment 1 relative to comparative example 1 relative to embodiment 1
It is not addition Chinese herbal medicine additive, illustrates that adding suitable Chinese herbal medicine additive improves to the mechanical property of plate,
The ability of the purification air of material can be significantly improved simultaneously.
Comparative example 1 and comparative example 2, it can be seen that comparative example 2 declines relative to the static bending strength of embodiment 1
32.6%, elasticity modulus decline 26.3%, absorber thickness expansion rate improves 33.3%, and air purification ability is relative to embodiment 1
For difference, and embodiment 1 is addition conch meal relative to the difference of comparative example 1, illustrates that adding a certain proportion of conch meal can show
Mechanical property, waterproofness and the air purification ability of the raising plate of work.
Comparative example 1 and comparative example 3, it can be seen that comparative example 3 declines 2.2% relative to the static bending strength of embodiment 1,
Elasticity modulus decline 5.3%, absorber thickness expansion rate improves 58.3%, and water-repellent paint is for improving plate as can be seen from the data
Waterproofness have obvious action, while the air purification ability of plate can be improved in water-repellent paint.
In conclusion the invention has the following advantages that
(1) the method for the present invention is ground by waste wood and the boiling of Chinese herbal medicine additives mixed, the wood materials of preparation, tool
There is good antibiotic property, anti-corrosion insect resistance, by the way that wooden material conch meal mixing adhesive to be bonded, compacting forms the plate of preparation
With good hardness strength, raw material sources are extensive, and production cost is low.
(2) present invention is crushed and Chinese herbal medicine additive (cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Du by nut waste wood
Secondary, rhizoma menispermi and peppermint) the common boiling defibrator process of mixing, Dalmatian chrysanthemum, cape jasmine, Cortex Eucommiae and rhizoma menispermi and the common boiling of waste wood,
The deinsectization insect resistance of wooden material can be improved in its active principle discharged, while the active principle in dried orange peel and peppermint and argy wormwood can
To improve the antibiotic property of wooden material, the synthesis of wooden material can effectively improve by the coordinated between Chinese herbal medicine additive component
Performance, and safety and environmental protection, it is nontoxic.
(3) present invention addition conch meal in wood fibre, conch meal is from a wealth of sources, at low cost, and plate not only can be improved
The intensity and antiseptic property of material, and conch meal is porous fibrous double helix construction structure, has effects that adsorb pernicious gas,
The purification ability of air of plate is improved, while having the function of good anti-flammability and absorbing sound and lowering noise.
(4) adhesive that the present invention uses is Isocyanate resin, soybean glue, ten diaminobenzene ether sulfonic acid sodium, eucalyptus
The mixture for setting oily, organic amino resins, nano silica and eucalyptus citriodora oil, has good adhesion, the toughness of adhesive
Greatly, duration is strong, environmentally protective, and formaldehydeless substance generates.
(5) present invention in outside slab one layer of water-repellent paint of roller coating, can effectively improve the waterproofness and anti-corrosion of plate
Property, water-repellent paint is polyurethane, eucalyptus oil, negative ion powder, nano-titanium dioxide, white carbon black, methacrylate, benzoyl peroxide
Formyl, (2- methoxy ethoxy) silane of vinyl-three and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) positive octadecyl ester of propionic acid
Mixture, polyurethane has good waterproofness, by the compound action of methacrylate and benzoyl peroxide, in polyurethane
Surface grafting methacrylate can effectively improve the caking property and flexibility of polyurethane, improve the bond strength of coating, together
When coating in by the cooperation of eucalyptus oil, negative ion powder, white carbon black and titanium dioxide, can effectively improve the deinsectization, anti-of plate
Bacterium and corrosion resistance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of high-strength environment-friendly plate, which comprises the following steps:
(1) waste wood is sent to pulverizer and is crushed to partial size less than 1 centimetre, while it is small that Chinese herbal medicine additive is crushed to partial size
In 1 centimetre, Chinese herbal medicine additive and waste wood material are uniformly mixed according to the mass ratio of 1-3:50, obtain wooden material；
The Chinese herbal medicine additive includes following raw material: cape jasmine, argy wormwood, Dalmatian chrysanthemum, dried orange peel, Cortex Eucommiae, rhizoma menispermi and peppermint；
(2) wooden material is added in screening machine after vibration screening removal silt impurity, the Asia of its weight 3-8% is equivalent to addition
After sodium sulphate is stirred, it is added in boiling vessel and carries out boiling softening；
(3) the wooden material after boiling softening in step (2) is added in defibrator and is carried out defibrator process 2-4 hours, steam in defibrator
Pressure is controlled in 0.8-1.2MPa；
(4) the wooden material after defibrator process is sent into drying duct and is dried, control moisture rate to 4-8% to get wood fibre；
(5) conch meal for being equivalent to its weight 15-30% is added into wood fibre, after being uniformly mixed, adhesive is added,
It is uniformly mixed with 1200-1800 revs/min of speed, after being mated formation using spreading machine, is placed in cold press in 12-
It after carrying out precompressed under 20MPa, is placed in hot press and carries out hot pressing, stand 20-30 hours, to get slab after cutting finishing；
(6) the slab ratio after sawing is shown after carrying out sanding processing, the water-repellent paint of one layer of 0.5-5 millimeters thick of roller coating, merging
In hothouse under 60-70 degrees Celsius, dry 20 hours to get the novel high-strength environment-friendly sheet；
The water-repellent paint includes the raw material of following parts by weight meter: 32-38 parts of polyurethane, 2-4 parts of eucalyptus oil, negative ion powder 1-3
Part, 2-6 parts of nano-titanium dioxide, 1-4 parts of white carbon black, 1-3 parts of methacrylate, 0.8-1.6 parts of benzoyl peroxide, ethylene
0.6-1.2 parts of base-three (2- methoxy ethoxy) silane and β-(4- hydroxyl -3,5- di-tert-butyl-phenyl) positive octadecyl ester of propionic acid
0.4-0.8 parts.
2. the preparation method of high-strength environment-friendly plate according to claim 1, which is characterized in that in the step (1)
Chinese herbal medicine additive includes the raw material of following parts by weight: 3-7 parts of cape jasmine, 15-22 parts of argy wormwood, 3-7 parts of Dalmatian chrysanthemum, dried orange peel 8-12
Part, 10-15 parts of Cortex Eucommiae, 4-8 parts of rhizoma menispermi and 5-10 parts of peppermint.
3. the preparation method of high-strength environment-friendly plate according to claim 1, which is characterized in that in the step (2)
Boiling soft condition is 120-130 degrees Celsius of boiling temperature, cooking pressure 0.6-0.9MPa, time 5-10 minute.
4. the preparation method of high-strength environment-friendly plate according to claim 1, which is characterized in that in the step (4)
Drying condition are as follows: the entrance hot air temperature of drying duct is 160-200 degrees Celsius, and the outlet hot air temperature of drying duct is 60-
70 degrees Celsius.
5. the preparation method of high-strength environment-friendly plate according to claim 1, which is characterized in that in the step (5)
Conch meal is modified conch meal, the preparation method is as follows:
(1) shell is cleaned and is impregnated 30-40 minutes in the hydrochloric acid solution that mass concentration is 0.1-0.3%, height after taking-up drains
Temperature calcining, 1-2 hours, is eluted with water, and dries, smashed and ground 100-200 mesh；
(2) conch meal is placed in the ethanol solution that mass concentration is 30-40%, after ultrasonic vibration 10-15 minutes, drying；
(3) neopelex dispersing agent is added in the sodium hydroxide solution that mass concentration is 0.1-0.3%, is stirring
Carbon nanotube is added under state, conch meal is added after being uniformly dispersed, continues stirring 30-60 minutes, product is through suction filtration, ultrasonic vibration
It is dry to get modified conch meal after cleaning.
6. the preparation method of high-strength environment-friendly plate according to claim 5, which is characterized in that the conch meal and carbon are received
The mass ratio of mitron is 25:1.
7. the preparation method of high-strength environment-friendly plate according to claim 1, which is characterized in that in the step (5)
Adhesive includes the raw material of following parts by weight meter: 46 parts of Isocyanate resin, 35 parts of soybean glue, ten diaminobenzene ether sulfonic acids
6 parts of sodium, 3 parts of eucalyptus oil, 3 parts of organic amino resins, 4 parts of nano silica and 2.5 parts of eucalyptus citriodora oil.
8. the preparation method of high-strength environment-friendly plate according to claim 6, which is characterized in that the use of the adhesive
Amount is the 8-10% of wood fibre weight.
9. the preparation method of high-strength environment-friendly plate according to claim 1, which is characterized in that in the step (5)
Hot pressing condition is 235-248 degrees Celsius of hot pressing temperature, hot pressing pressure 70-80MPa.
10. the preparation method of high-strength environment-friendly plate according to claim 1, which is characterized in that step (6) waterproof
Coating the preparation method is as follows:
(1) by polyurethane heating and methacrylate be uniformly mixed, be warming up to 63-68 degrees Celsius, 600-800 turn/
Under the mixing speed of minute, benzoyl peroxide is slowly added dropwise thereto, after completion of dropwise addition, continues to be stirred to react 50-60 minutes
Afterwards, mixture A is obtained；
(2) after the surplus stock of water-repellent paint is added into mixture A, after mixing evenly, high speed shear is opened, with 1500-
2000 revs/min of speed vacuumizes after high speed shear 20-30 minutes, and deaeration 8-15 minutes to get the water-repellent paint.
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| CN111546459A (en) * | 2020-03-27 | 2020-08-18 | 安徽紫荆花壁纸股份有限公司 | Preparation method of wall decoration plate |
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