CN106272867B - The preparation method of composite floor substrate - Google Patents
The preparation method of composite floor substrate Download PDFInfo
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- CN106272867B CN106272867B CN201610664837.5A CN201610664837A CN106272867B CN 106272867 B CN106272867 B CN 106272867B CN 201610664837 A CN201610664837 A CN 201610664837A CN 106272867 B CN106272867 B CN 106272867B
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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
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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
- B27N3/08—Moulding or pressing
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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
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
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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
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/061—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods using cutting devices
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
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Abstract
The invention discloses a kind of preparation methods of composite floor substrate, include the following steps：Step 1: choosing early wood and late wood, the first raw material and the second raw material are obtained；Step 2: the first raw material is carried out suffocating treatment, pretreated first raw material is obtained；Step 3: the second raw material is pre-processed according to the method for step 2, pretreated second raw material is obtained；Step 4: pretreated first raw material and pretreated second raw material are carried out boiling respectively, fiber separation then is carried out by defibrator respectively, obtains the first wood-fibred and the second wood-fibred；Step 5: the first wood-fibred and the second wood-fibred are mixed into obtain composite fibre；Step 6: floor base material is made in sizing, hot pressing；Step 7: floor base material is obtained into composite floor substrate through supercooling is quenched with sanding sawing.Composite floor substrate intensity provided by the invention is big, shock resistance, humidity resistance is good, stability is good, be not easy buckling deformation, burst size of methanal is low.
Description
Technical field
The present invention relates to wood processing fields.It is more particularly related to a kind of preparation side of composite floor substrate
Method.
Background technology
Composite floor board is widely used in people’s lives, in work, also, with people as a kind of ornament materials
The raising of living standard, people are increasing to the demand of composite floor board, also higher and higher to its quality requirement.Base material
It is the main body for forming composite floor board, plays tongue-and-groove connection, stable shaped, bearing load important function, base in actual use
The quality of material can directly influence the quality of composite floor board.
The quality of base material is affected by many factors, such as seeds and seeds collocation, the control of moisture content of timber, production technology
And adhesive type etc..Commercially available composite floor substrate exists using the different timber of density, adds in the feed inexpensively
Sawdust, timber without rational pre-treatment or production technology it is coarse the problems such as, so as to cause composite floor substrate poor-performing,
Density is small, relatively large ropy composite floor board occurs, can not meet requirement of the people to composite floor board.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of preparation methods of composite floor substrate, select the same of similar density
The early wood of one seeds and late wood, by early wood and late wood respectively by pre-treatment, are finally mixed as fiber raw material with certain proportion
It closes, is conducive to improve the density and intensity of composite floor substrate；Manufacture craft of the present invention is simple to operation, of low cost, obtains
The density of composite floor substrate be up to 0.95g/cm3, and its intensity is big, shock resistance, humidity resistance is good, stability is good, is not easy
Buckling deformation, burst size of methanal are low, only 1/10th of national standard.
In order to realize these purposes and other advantages according to the present invention, a kind of preparation side of composite floor substrate is provided
Method includes the following steps：
Step 1: choosing early wood and the late wood of the same seeds of similar density respectively, early wood and late wood are respectively fed to cut
It is cut in piece machine, is then sent in vibrating screen and filters out multiple 16~30mm of length, wide 15~25mm, the wood of 3~5mm of thickness
Piece, wood chip obtained by early wood are the first raw material, and wood chip obtained by late wood is the second raw material；By first raw material and second raw material
It is washed successively by washing and wind respectively；
Step 2: first raw material is divided into three equal parts, described the first of one equal portions of the bottom of fumigation box tiling
Raw material, on the first raw material top of an equal portions, pressure sets a web plate, then successively according to first raw material of an equal portions
The sequence of one web plate, first raw material is put into the fumigation box, and hot wind is passed through from the lower part of the fumigation box,
Advertise 8~10h；Sulphur cigarette is passed through into the fumigation box, sootiness handles 3~4h, then passes to 30~40min of hot wind；To institute
The fumigation liquid of sprinkling 35% in fumigation box is stated, the pressure for adjusting the fumigation box is 1~1.5Mpa, and temperature is 100~110 DEG C,
Stifling 1~3h, then passes to hot wind and advertises 20~30min, be passed through cold wind, advertise to first raw material and be cooled to 25~28
DEG C, obtain pretreated first raw material；Wherein, the temperature of hot wind is 80~90 DEG C, and relative humidity is 20~30%, the temperature of cold wind
It is 20~25 DEG C to spend, and relative humidity is 18~25%；
It is 1 that the fumigation liquid, which includes mass ratio,:2:4:0.5 ginger juice, the acetum that mass concentration is 30%, alcohol
And phosphoric acid；
Step 3: second raw material is pre-processed according to the method for step 2, wherein, the hot blast temperature advertised is
85~95 DEG C, relative humidity is 20~25%, and the temperature of cold wind is 20~25 DEG C, and relative humidity is 18~25%, must be pre-processed
The second raw material afterwards；
Step 4: pretreated second original that pretreated first raw material and step 3 that step 2 is obtained obtain
Material is respectively placed in the first cooker and the second cooker and carries out boiling, control the initial temperature of first cooker for 60~
70 DEG C, 3~5min is kept, then heats to 160~170 DEG C, continues 3~5min of boiling；The initial temperature of second cooker
It is 70~80 DEG C to spend, and keeps 3~5min, then heats to 170~180 DEG C, continues 3~5min of boiling, from first boiling
The first raw material and the second raw material are taken out in tank and second cooker, fiber separation is carried out by defibrator respectively, obtains first
Wood-fibred and the second wood-fibred；
Step 5: according to weight ratio it is 1 by first wood-fibred and second wood-fibred:2 ratio is mixed to get
Composite fibre, the isopropanol of 10~20 times of amounts is added in into the composite fibre, and stirring is passed through nitrogen, diethanol is slowly added dropwise
Amine liquid is warming up to 60~70 DEG C, is stirred to react for 24 hours, obtains the first reactant；Bromododecane is dissolved in isopropanol, dropwise
It adds in first reactant that temperature is 60~70 DEG C, is stirred to react 10~16h, cool down, successively with n-hexane and acetone
Sediment is collected in sedimentation 1~3 time, is placed in 70~80 DEG C of vacuum drying chamber dry 8~12h, is obtained modified composite fibre；
Wherein, the dosage of the diethanol amine is the 3~9% of the composite fibre weight；
The dosage of the bromododecane is the 5~18% of the composite fibre weight；
Each dosage of the n-hexane and the acetone is the 10~20% of the composite fibre weight；
Step 6: adhesive is applied to the modified composite fibre surface, the pressure by way of hot pressing after mixing
Floor base material is made, the adhesive dosage is the 15~18% of the modified composite fibre quality；
Step 7: by the floor base material that step 6 obtains through supercooling is quenched and sanding sawing, obtain it is described compoundly
Plate base material.
Preferably, the preparation method of the composite floor substrate, first wood-fibred and second wood-fibred
Before mixing, pretreatment is have passed through, specially：First wood-fibred and second wood-fibred are respectively placed in soak
20~30min is ultrasonically treated, filtering is dried in vacuo at 50~60 DEG C, by first wood-fibred and second wood-fibred
Moisture control is 8.5~10.0%；
Wherein, the preparation method of the soak is：Weigh in parts by weight 3~9 parts sealwort, 5~13 parts of gleditsia sinensis,
2~7 parts of kuh-seng, 8~17 parts of cordate houttuynia, 7~15 parts of Dysosma versipellis, 8~14 parts of arbor-vitae and 12~23 parts of absinth mix
It pulverizes after conjunction, adds in 40~50 parts of water, 30~40min of high heat decoction filters to obtain the first filtrate and the first filter residue, by weight
Amount number is weighed after 1~4 part of mashed garlic, 0.3~0.8 part of capsicum skin and 2~5 parts of balsampear leaf crush and is filtered with described first
Slag mixes, and adds in 30~40 parts of 1~2h of alcohol steep, filters to obtain the second filtrate, by first filtrate and second filter
Liquid mixes, and obtains Chinese medicine liquid；1~4 part of fire retardant, 0.3~0.8 part of polyurethane and 0.1~0.4 is added in into the Chinese medicine liquid
The rosin of part, is sufficiently stirred 5~10min to get the soak.
Preferably, the preparation method of the composite floor substrate, the preparation method of the adhesive are：
A, it counts in parts by weight, it is 30~100 mesh that the energy stone crushing that the grain size by 0.5~1 part is 1~3cm, which is grain size,
Particle adds in 1~5 part of acetone and is heated to 40~50 DEG C, taken out after 30~40min with 1~4 part of algae clay and 0.2~
0.7 part of activated carbon is uniformly mixed, and is crushed after vacuum drying and is obtained additive for 100~200 mesh powders；
B, the synthetic resin liquid adhesive for weighing 20~30 parts by weight is heated to 40~50 DEG C, thereto add in 0.1~
The dispersant of 0.5 parts by weight, the curing agent of 0.3~0.8 parts by weight and the additive, are sufficiently stirred 10~20min, then carry out
40~50min is ultrasonically treated, up to the adhesive after cooling.
Preferably, the preparation method of the composite floor substrate, the dispersant are polyethylene glycol.
Preferably, the preparation method of the composite floor substrate, the curing agent are p-hydroxybenzenyl sulfonate.
Preferably, the preparation method of the composite floor substrate, the early wood and the late wood be selected from China fir or
One kind in yew.
Preferably, the preparation method of the composite floor substrate, in the heat-press step, hot pressing temperature 175~
225 DEG C, using five sections of hot pressing temperature areas, 0~4MPa of hot pressing pressure, 7.0~8.0s/mm of the hot pressing factor.
The present invention includes at least following advantageous effect：
1st, the early wood of the same seeds of present invention selection similar density and late wood are as fiber raw material, the evening of same seeds
The length and width of the fiber of material are bigger, there is preferable felt properties, and the fiber of early wood is shorter, can with the gap between fill fiber,
Increase the contact area between fiber, by early wood and late wood respectively by pre-treatment, finally mixed with certain proportion, be conducive to carry
The density and intensity of high composite floor substrate；Manufacture craft of the present invention is simple to operation, of low cost, obtained composite floor board base
The density of material is up to 0.95g/cm3, and its intensity is big, shock resistance, humidity resistance is good, stability is good, is not easy buckling deformation, formaldehyde
Burst size is low, only 1/10th of national standard；The present invention has the advantages of environmentally protective, promotional value is high；
2nd, the first raw material and the second raw material are put into fumigation box and pre-processed respectively by the present invention, reduce the aqueous of timber
Moisture control is pressed the web plate set to prevent timber because of moisture stream hereinafter, facilitate various operations of the later stage to timber by rate 23%
The phenomenon that losing and its edge is caused to roll is passed through the different hot wind of temperature and humidity for different raw materials, saves pretreatment
Time and cost, after being passed through the heated-air drying of a period of time, successively using sulphur and fumigation liquid to the first raw material and the second raw material
It is fumigated, sulphur and fumigation liquid can drive away parasitic nematode in wood, prevent timber infested, mouldy, rotten, Neng Gougai
The physical property of kind first raw material and the second raw material, while fumigation liquid can be adsorbed and removed the remaining sulfur dioxide of sulphur cigarette；
3rd, the present invention has carried out modification to composite fibre, and hydrophobing agent bromododecane is introduced into composite fibre, is made
Obtaining composite fibre has certain hydrophobicity, further promotes the water resistance of composite floor substrate, while can adjust fiber
Sophistication and conjunctiva so that sizing, the technological operation of hot pressing are faster, and the composite floor substrate of compacting is more closely knit, so as to increase
Add the density of product composite floor substrate；
4th, the present invention adds in additive in synthetic resin liquid adhesive and is made new adhesive, the energy in additive
Stone can increase the gas permeability of composite floor substrate, diatomite and charcoal powder can formaldehyde adsorption, reduce composite floor substrate
The burst size of formaldehyde adds in dispersant and additive is enabled to mix more uniform, curing with synthetic resin liquid adhesive
The curing of adhesive when composite floor substrate is made in agent promotion hot pressing；
5th, the first wood-fibred and the second wood-fibred that are obtained through fiber separation are placed in soak and be ultrasonically treated, soak
In effective component of chinese medicine can enter fiber and growth hole in, sealwort, gleditsia sinensis, kuh-seng, cordate houttuynia, Dysosma versipellis, arbor-vitae and hardship
Chinese mugwort has antibacterial, pest-resistant effect, and mashed garlic, capsicum skin and balsampear leaf have anthelmintic action, and Chinese medicine liquid has with faint scent taste, tool
There is certain tranquilizing the mind effect, a certain amount of fire retardant is added in into Chinese medicine liquid so that composite floor substrate has flame retardant property, gathers
Urethane and rosin can increase the adhesion of the first wood-fibred and the second wood-fibred.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to enable those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other element or combinations.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
<Embodiment 1>
The present invention provides a kind of preparation method of composite floor substrate, includes the following steps：
Step 1: choosing early wood and the late wood of the China fir of similar density respectively, early wood and late wood are respectively fed to wood chipping equipment
In cut, be then sent in vibrating screen and filter out multiple long 16mm, wide 15mm, the wood chip of thick 3mm, wood chip obtained by early wood
For the first raw material, wood chip obtained by late wood is the second raw material；First raw material and second raw material are passed through into water successively respectively
It washes and is washed with wind；
Step 2: first raw material is divided into three equal parts, described the first of one equal portions of the bottom of fumigation box tiling
Raw material, on the first raw material top of an equal portions, pressure sets a web plate, then successively according to first raw material of an equal portions
The sequence of one web plate, first raw material is put into the fumigation box, and hot wind is passed through from the lower part of the fumigation box,
Advertise 8h；Sulphur cigarette is passed through into the fumigation box, sootiness processing 3h then passes to hot wind 30min；It is sprayed into the fumigation box
35% fumigation liquid is spilt, the pressure for adjusting the fumigation box is 1Mpa, and temperature is 100 DEG C, fumigates 1h, then passes to hot wind and advertise
20min is passed through cold wind, advertises to first raw material and is cooled to 25 DEG C, obtains pretreated first raw material；Wherein, hot wind
Temperature is 80 DEG C, relative humidity 20%, and the temperature of cold wind is 20 DEG C, relative humidity 18%；
It is 1 that the fumigation liquid, which includes mass ratio,:2:4:0.5 ginger juice, the acetum that mass concentration is 30%, alcohol
And phosphoric acid；
Step 3: second raw material is pre-processed according to the method for step 2, wherein, the hot blast temperature advertised is
85 DEG C, relative humidity 20%, the temperature of cold wind is 20 DEG C, and relative humidity 18% obtains pretreated second raw material；
Step 4: pretreated second original that pretreated first raw material and step 3 that step 2 is obtained obtain
Material, which is respectively placed in the first cooker and the second cooker, carries out boiling, and the initial temperature for controlling first cooker is 60
DEG C, 3min is kept, then heats to 160 DEG C, continues boiling 3min；The initial temperature of second cooker is 70 DEG C, is kept
3min then heats to 170 DEG C, continues boiling 3min, first is taken out from first cooker and second cooker
Raw material and the second raw material carry out fiber separation by defibrator respectively, obtain the first wood-fibred and the second wood-fibred；
20min is ultrasonically treated Step 5: will be respectively placed in soak, is filtered, is dried in vacuo at 50 DEG C, by described first
The moisture control of wood-fibred and second wood-fibred is 8.5%, by pretreated first wood-fibred and pretreated
Second wood-fibred is 1 according to weight ratio:2 ratio is mixed to get composite fibre, 10 times of amounts of addition into the composite fibre
Isopropanol, stirring, is passed through nitrogen, diethanol amine liquid is slowly added dropwise, be warming up to 60 DEG C, be stirred to react for 24 hours, obtain the first reaction
Object；Bromododecane is dissolved in isopropanol, is added dropwise in first reactant that temperature is 60 DEG C, is stirred to react 10h,
Cooling is settled 1 time successively with n-hexane and acetone, collects sediment, is placed in 70 DEG C of vacuum drying chamber dry 8h, is obtained modification
Composite fibre；
Wherein, the preparation method of the soak is：3 parts of sealwort, 5 parts of gleditsia sinensis, 2 parts of hardship is weighed in parts by weight
It pulverizes after ginseng, 8 parts of cordate houttuynia, 7 parts of Dysosma versipellis, 8 parts of arbor-vitae and the mixing of 12 parts of absinth, adds in 40 parts of water,
High heat decoction 30min filters to obtain the first filtrate and the first filter residue, weigh in parts by weight 1 part mashed garlic, 0.3 part of capsicum
Skin and 2 parts of balsampear leaf mix after crushing with first filter residue, add in 30 parts of alcohol steep 1h, filter to obtain the second filtrate,
First filtrate and second filtrate are mixed, obtain Chinese medicine liquid；Into the Chinese medicine liquid add in 1 part fire retardant, 0.3 part
Polyurethane and 0.1 part of rosin, be sufficiently stirred 5min to get the soak；
The dosage of the diethanol amine is the 3% of the composite fibre weight；
The dosage of the bromododecane is the 5% of the composite fibre weight；
Each dosage of the n-hexane and the acetone is the 10% of the composite fibre weight；
Step 6: prepare adhesive：
A, it counts in parts by weight, it is 30 mesh particles that the energy stone crushing that the grain size by 0.5 part is 1cm, which is grain size, is added
Enter and 40 DEG C are heated in 1 part of acetone, take out after 30min and mixed with 1 part of algae clay and 0.2 part of activated carbon
It is even, it is crushed after vacuum drying and obtains additive for 100 mesh powders；
B, the synthetic resin liquid adhesive for weighing 20 parts by weight is heated to 40 DEG C, adds in 0.1 parts by weight thereto
Polyethylene glycol, the p-hydroxybenzenyl sulfonate of 0.3 parts by weight and the additive, are sufficiently stirred 10min, then carry out ultrasound
40min is handled, up to the adhesive after cooling；
Adhesive is applied to the modified composite fibre surface, is pressed into floor by way of hot pressing after mixing
Base material, the adhesive dosage are the 15% of the modified composite fibre quality；Wherein, hot pressing temperature is at 175 DEG C, using five sections
Hot pressing temperature area, hot pressing pressure 0MPa, hot pressing factor 7.0s/mm；
Step 7: by the floor base material that step 6 obtains through supercooling is quenched and sanding sawing, obtain it is described compoundly
Plate base material.
<Embodiment 2>
The present invention provides a kind of preparation method of composite floor substrate, includes the following steps：
Step 1: choosing early wood and the late wood of the China fir of similar density respectively, early wood and late wood are respectively fed to wood chipping equipment
In cut, be then sent in vibrating screen and filter out multiple long 30mm, wide 25mm, the wood chip of thick 5mm, wood chip obtained by early wood
For the first raw material, wood chip obtained by late wood is the second raw material；First raw material and second raw material are passed through into water successively respectively
It washes and is washed with wind；
Step 2: first raw material is divided into three equal parts, described the first of one equal portions of the bottom of fumigation box tiling
Raw material, on the first raw material top of an equal portions, pressure sets a web plate, then successively according to first raw material of an equal portions
The sequence of one web plate, first raw material is put into the fumigation box, and hot wind is passed through from the lower part of the fumigation box,
Advertise 10h；Sulphur cigarette is passed through into the fumigation box, sootiness processing 4h then passes to hot wind 40min；Into the fumigation box
The fumigation liquid of sprinkling 35%, the pressure for adjusting the fumigation box are 1.5Mpa, and temperature is 110 DEG C, fumigates 3h, then passes to hot wind
30min is advertised, is passed through cold wind, advertises to first raw material and is cooled to 28 DEG C, obtains pretreated first raw material；Wherein, it is hot
The temperature of wind is 90 DEG C, relative humidity 30%, and the temperature of cold wind is 25 DEG C, relative humidity 25%；
It is 1 that the fumigation liquid, which includes mass ratio,:2:4:0.5 ginger juice, the acetum that mass concentration is 30%, alcohol
And phosphoric acid；
Step 3: second raw material is pre-processed according to the method for step 2, wherein, the hot blast temperature advertised is
95 DEG C, relative humidity 25%, the temperature of cold wind is 25 DEG C, and relative humidity 25% obtains pretreated second raw material；
Step 4: pretreated second original that pretreated first raw material and step 3 that step 2 is obtained obtain
Material, which is respectively placed in the first cooker and the second cooker, carries out boiling, and the initial temperature for controlling first cooker is 70
DEG C, 5min is kept, then heats to 170 DEG C, continues boiling 5min；The initial temperature of second cooker is 80 DEG C, is kept
5min then heats to 180 DEG C, continues boiling 5min, first is taken out from first cooker and second cooker
Raw material and the second raw material carry out fiber separation by defibrator respectively, obtain the first wood-fibred and the second wood-fibred；
30min is ultrasonically treated Step 5: will be respectively placed in soak, is filtered, is dried in vacuo at 60 DEG C, by described first
The moisture control of wood-fibred and second wood-fibred is 10.0%, by pretreated first wood-fibred and pretreated
Second wood-fibred is 1 according to weight ratio:2 ratio is mixed to get composite fibre, 20 times of amounts of addition into the composite fibre
Isopropanol, stirring, is passed through nitrogen, diethanol amine liquid is slowly added dropwise, be warming up to 70 DEG C, be stirred to react for 24 hours, obtain the first reaction
Object；Bromododecane is dissolved in isopropanol, is added dropwise in first reactant that temperature is 70 DEG C, is stirred to react 16h,
Cooling is settled 3 times successively with n-hexane and acetone, collects sediment, is placed in 80 DEG C of vacuum drying chamber dry 12h, must be changed
Property composite fibre；
Wherein, the preparation method of the soak is：Weigh in parts by weight 9 parts sealwort, 13 parts of gleditsia sinensis, 7 parts
It pulverizes after kuh-seng, 17 parts of cordate houttuynia, 15 parts of Dysosma versipellis, 14 parts of arbor-vitae and the mixing of 23 parts of absinth, adds in 50 parts
Water, high heat decoction 40min filters to obtain the first filtrate and the first filter residue, weigh in parts by weight 4 parts mashed garlic, 0.8 part
Capsicum skin and 5 parts of balsampear leaf mix after crushing with first filter residue, add in 40 parts of alcohol steep 2h, filter to obtain the second filter
First filtrate and second filtrate are mixed, obtain Chinese medicine liquid by liquid；Into the Chinese medicine liquid add in 4 parts fire retardant,
0.8 part of polyurethane and 0.4 part of rosin are sufficiently stirred 10min to get the soak；
The dosage of the diethanol amine is the 9% of the composite fibre weight；
The dosage of the bromododecane is the 18% of the composite fibre weight；
Each dosage of the n-hexane and the acetone is the 20% of the composite fibre weight；
Step 6: prepare adhesive：
A, it counts in parts by weight, it is 100 mesh particles that the energy stone crushing that the grain size by 1 part is 3cm, which is grain size, is added
Enter and 50 DEG C are heated in 5 parts of acetone, take out after 40min and mixed with 4 parts of algae clay and 0.7 part of activated carbon
It is even, it is crushed after vacuum drying and obtains additive for 200 mesh powders；
B, the synthetic resin liquid adhesive for weighing 30 parts by weight is heated to 50 DEG C, adds in 0.5 parts by weight thereto
Polyethylene glycol, the p-hydroxybenzenyl sulfonate of 0.8 parts by weight and the additive, are sufficiently stirred 20min, then carry out ultrasound
50min is handled, up to the adhesive after cooling；
Adhesive is applied to the modified composite fibre surface, is pressed into floor by way of hot pressing after mixing
Base material, the adhesive dosage are the 18% of the modified composite fibre quality；Wherein, hot pressing temperature is at 225 DEG C, using five sections
Hot pressing temperature area, hot pressing pressure 4MPa, hot pressing factor 8.0s/mm；
Step 7: by the floor base material that step 6 obtains through supercooling is quenched and sanding sawing, obtain it is described compoundly
Plate base material.
<Embodiment 3>
The present invention provides a kind of preparation method of composite floor substrate, includes the following steps：
Step 1: choosing early wood and the late wood of the yew of similar density respectively, early wood and late wood are respectively fed to wood chipping equipment
In cut, be then sent in vibrating screen and filter out multiple long 23mm, wide 20mm, the wood chip of thick 4mm, wood chip obtained by early wood
For the first raw material, wood chip obtained by late wood is the second raw material；First raw material and second raw material are passed through into water successively respectively
It washes and is washed with wind；
Step 2: first raw material is divided into three equal parts, described the first of one equal portions of the bottom of fumigation box tiling
Raw material, on the first raw material top of an equal portions, pressure sets a web plate, then successively according to first raw material of an equal portions
The sequence of one web plate, first raw material is put into the fumigation box, and hot wind is passed through from the lower part of the fumigation box,
Advertise 9h；Sulphur cigarette is passed through into the fumigation box, sootiness processing 3.5h then passes to hot wind 35min；Into the fumigation box
The fumigation liquid of sprinkling 35%, the pressure for adjusting the fumigation box are 1.3Mpa, and temperature is 105 DEG C, fumigates 2h, then passes to hot wind
25min is advertised, is passed through cold wind, advertises to first raw material and is cooled to 27 DEG C, obtains pretreated first raw material；Wherein, it is hot
The temperature of wind is 85 DEG C, relative humidity 25%, and the temperature of cold wind is 23 DEG C, relative humidity 22%；
It is 1 that the fumigation liquid, which includes mass ratio,:2:4:0.5 ginger juice, the acetum that mass concentration is 30%, alcohol
And phosphoric acid；
Step 3: second raw material is pre-processed according to the method for step 2, wherein, the hot blast temperature advertised is
90 DEG C, relative humidity 23%, the temperature of cold wind is 23 DEG C, and relative humidity 22% obtains pretreated second raw material；
Step 4: pretreated second original that pretreated first raw material and step 3 that step 2 is obtained obtain
Material, which is respectively placed in the first cooker and the second cooker, carries out boiling, and the initial temperature for controlling first cooker is 65
DEG C, 4min is kept, then heats to 165 DEG C, continues boiling 4min；The initial temperature of second cooker is 75 DEG C, is kept
4min then heats to 175 DEG C, continues boiling 4min, first is taken out from first cooker and second cooker
Raw material and the second raw material carry out fiber separation by defibrator respectively, obtain the first wood-fibred and the second wood-fibred；
25min is ultrasonically treated Step 5: will be respectively placed in soak, is filtered, is dried in vacuo at 55 DEG C, by described first
The moisture control of wood-fibred and second wood-fibred is 9.2%, by pretreated first wood-fibred and pretreated
Second wood-fibred is 1 according to weight ratio:2 ratio is mixed to get composite fibre, 15 times of amounts of addition into the composite fibre
Isopropanol, stirring, is passed through nitrogen, diethanol amine liquid is slowly added dropwise, be warming up to 65 DEG C, be stirred to react for 24 hours, obtain the first reaction
Object；Bromododecane is dissolved in isopropanol, is added dropwise in first reactant that temperature is 65 DEG C, is stirred to react 13h,
Cooling is settled 2 times successively with n-hexane and acetone, collects sediment, is placed in 75 DEG C of vacuum drying chamber dry 10h, must be changed
Property composite fibre；
Wherein, the preparation method of the soak is：6 parts of sealwort, 9 parts of gleditsia sinensis, 5 parts of hardship is weighed in parts by weight
It pulverizes after ginseng, 13 parts of cordate houttuynia, 11 parts of Dysosma versipellis, 11 parts of arbor-vitae and the mixing of 18 parts of absinth, adds in 45 parts
Water, high heat decoction 35min filter to obtain the first filtrate and the first filter residue, weigh in parts by weight 3 parts mashed garlic, 0.6 part peppery
Green pepper skin and 4 parts of balsampear leaf mix after crushing with first filter residue, add in 35 parts of alcohol steep 1.5h, filter to obtain the second filter
First filtrate and second filtrate are mixed, obtain Chinese medicine liquid by liquid；Into the Chinese medicine liquid add in 3 parts fire retardant,
0.6 part of polyurethane and 0.3 part of rosin are sufficiently stirred 8min to get the soak；
The dosage of the diethanol amine is the 6% of the composite fibre weight；
The dosage of the bromododecane is the 12% of the composite fibre weight；
Each dosage of the n-hexane and the acetone is the 15% of the composite fibre weight；
Step 6: prepare adhesive：
A, it counts in parts by weight, it is 65 mesh particles that the energy stone crushing that the grain size by 0.8 part is 2cm, which is grain size, is added
Enter and 45 DEG C are heated in 3 parts of acetone, take out after 35min and mixed with 3 parts of algae clay and 0.5 part of activated carbon
It is even, it is crushed after vacuum drying and obtains additive for 150 mesh powders；
B, the synthetic resin liquid adhesive for weighing 25 parts by weight is heated to 45 DEG C, adds in 0.3 parts by weight thereto
Polyethylene glycol, the p-hydroxybenzenyl sulfonate of 0.6 parts by weight and the additive, are sufficiently stirred 15min, then carry out ultrasound
45min is handled, up to the adhesive after cooling；
Adhesive is applied to the modified composite fibre surface, is pressed into floor by way of hot pressing after mixing
Base material, the adhesive dosage are the 17% of the modified composite fibre quality；Wherein, hot pressing temperature is at 200 DEG C, using five sections
Hot pressing temperature area, hot pressing pressure 2MPa, hot pressing factor 7.5s/mm；
Step 7: by the floor base material that step 6 obtains through supercooling is quenched and sanding sawing, obtain it is described compoundly
Plate base material.
<Performance test>
Reference standard GB/T17657-1999 (test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels), the test present invention
The Physical and mechanical properties of high density composite floor board base material made from embodiment 3, the results are shown in Table 1：
1 the performance test results of table
As can be seen from Table 1, the embodiment of the present invention 3 is used as by the early wood and late wood for selecting the same seeds of similar density
Fiber raw material by early wood and late wood respectively by pre-treatment, is finally mixed with certain proportion, is conducive to improve composite floor board base
The density and intensity of material；Manufacture craft of the present invention is simple to operation, of low cost, and the density of obtained composite floor substrate is up to
0.95g/cm3, and its intensity is big, shock resistance, humidity resistance is good, stability is good, be not easy buckling deformation, burst size of methanal is low, only
1/10th for national standard.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application,
Modifications and variations will be readily apparent to persons skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details.
Claims (7)
1. a kind of preparation method of composite floor substrate, which is characterized in that it includes the following steps：
Step 1: choosing early wood and the late wood of the same seeds of similar density respectively, early wood and late wood are respectively fed to wood chipping equipment
In cut, be then sent in vibrating screen and filter out multiple 16~30mm of length, wide 15~25mm, the wood chip of 3~5mm of thickness,
Wood chip obtained by early wood is the first raw material, and wood chip obtained by late wood is the second raw material；By first raw material and second raw material point
It is not washed successively by washing and wind；
Step 2: first raw material is divided into three equal parts, first raw material for the equal portions that tile in the bottom of fumigation box,
On the first raw material top of an equal portions, pressure sets a web plate, then successively according to first raw material, one institute of an equal portions
The sequence of web plate is stated, first raw material is put into the fumigation box, hot wind is passed through from the lower part of the fumigation box, advertises 8
~10h；Sulphur cigarette is passed through into the fumigation box, sootiness handles 3~4h, then passes to 30~40min of hot wind；It is fumigated to described
The fumigation liquid of sprinkling 35% in case, the pressure for adjusting the fumigation box are 1~1.5Mpa, and temperature is 100~110 DEG C, stifling 1~
3h then passes to hot wind and advertises 20~30min, is passed through cold wind, advertises to first raw material and is cooled to 25~28 DEG C, obtains pre- place
The first raw material after reason；Wherein, the temperature of hot wind is 80~90 DEG C, and relative humidity is 20~30%, the temperature of cold wind for 20~
25 DEG C, relative humidity is 18~25%；
It is 1 that the fumigation liquid, which includes mass ratio,:2:4:0.5 ginger juice, acetum, alcohol and the phosphorus that mass concentration is 30%
Acid；
Step 3: second raw material is pre-processed according to the method for step 2, wherein, the hot blast temperature advertised for 85~
95 DEG C, relative humidity is 20~25%, and the temperature of cold wind is 20~25 DEG C, and relative humidity is 18~25%, is obtained pretreated
Second raw material；
Step 4: pretreated second raw material point that pretreated first raw material and step 3 that step 2 is obtained obtain
It is not placed in the first cooker and the second cooker and carries out boiling, the initial temperature for controlling first cooker is 60~70
DEG C, 3~5min is kept, then heats to 160~170 DEG C, continues 3~5min of boiling；The initial temperature of second cooker
It is 70~80 DEG C, keeps 3~5min, then heat to 170~180 DEG C, continues 3~5min of boiling, from first cooker
The first raw material and the second raw material are taken out in second cooker, carries out fiber separation by defibrator respectively, obtains the first wood
Fiber and the second wood-fibred；
Step 5: according to weight ratio it is 1 by first wood-fibred and second wood-fibred:2 ratio is mixed to get mixing
Fiber, the isopropanol of 10~20 times of amounts is added in into the composite fibre, and stirring is passed through nitrogen, diethanol amine liquid is slowly added dropwise
Body is warming up to 60~70 DEG C, is stirred to react for 24 hours, obtains the first reactant；Bromododecane is dissolved in isopropanol, is added dropwise
Temperature is in 60~70 DEG C of first reactant, is stirred to react 10~16h, is cooled down, successively with n-hexane and acetone sedimentation 1
~3 times, sediment is collected, dry 8~12h is placed in 70~80 DEG C of vacuum drying chamber, obtains modified composite fibre；
Wherein, the dosage of the diethanol amine is the 3~9% of the composite fibre weight；
The dosage of the bromododecane is the 5~18% of the composite fibre weight；
Each dosage of the n-hexane and the acetone is the 10~20% of the composite fibre weight；
Step 6: adhesive is applied to the modified composite fibre surface, it is pressed by way of hot pressing after mixing
Floor base material, the adhesive dosage are the 15~18% of the modified composite fibre quality；
Step 7: the floor base material that step 6 obtains is obtained into the composite floor board base through supercooling is quenched and sanding sawing
Material.
2. the preparation method of composite floor substrate as described in claim 1, which is characterized in that first wood-fibred and described
Before the mixing of second wood-fibred, pretreatment is have passed through, specially：First wood-fibred and second wood-fibred are put respectively
20~30min is ultrasonically treated in soak, filtering is dried in vacuo at 50~60 DEG C, by first wood-fibred and described the
The moisture control of two wood-fibreds is 8.5~10.0%；
Wherein, the preparation method of the soak is：Weigh in parts by weight 3~9 parts sealwort, 5~13 parts of gleditsia sinensis, 2~7
After the kuh-seng, 8~17 parts of cordate houttuynia, 7~15 parts of Dysosma versipellis, 8~14 parts of arbor-vitae and 12~23 parts of absinth of part mix
It pulverizes, adds in 40~50 parts of water, 30~40min of high heat decoction filters to obtain the first filtrate and the first filter residue, by weight
Number is weighed after 1~4 part of mashed garlic, 0.3~0.8 part of capsicum skin and 2~5 parts of balsampear leaf crush and is mixed with first filter residue
It closes, adds in 30~40 parts of 1~2h of alcohol steep, filter to obtain the second filtrate, first filtrate and second filtrate are mixed
It closes, obtains Chinese medicine liquid；Add in into the Chinese medicine liquid 1~4 part of fire retardant, 0.3~0.8 part of polyurethane and 0.1~0.4 part
Rosin is sufficiently stirred 5~10min to get the soak.
3. the preparation method of composite floor substrate as claimed in claim 2, which is characterized in that the preparation method of the adhesive
For：
A, it counts in parts by weight, it is 30~100 mesh that the energy stone crushing that the grain size by 0.5~1 parts by weight is 1~3cm, which is grain size,
Particle adds in the acetone of 1~5 parts by weight and is heated to 40~50 DEG C, and the algae clay with 1~4 parts by weight is taken out after 30~40min
Activated carbon with 0.2~0.7 part is uniformly mixed, and is crushed after vacuum drying and is obtained additive for 100~200 mesh powders；
B, the synthetic resin liquid adhesive for weighing 20~30 parts by weight is heated to 40~50 DEG C, adds in 0.1~0.5 weight thereto
The dispersant of part, the curing agent of 0.3~0.8 parts by weight and the additive are measured, is sufficiently stirred 10~20min, then carry out ultrasound
40~50min is handled, up to the adhesive after cooling.
4. the preparation method of composite floor substrate as claimed in claim 3, which is characterized in that the dispersant is poly- second two
Alcohol.
5. the preparation method of composite floor substrate as claimed in claim 4, which is characterized in that the curing agent is para hydroxybenzene
Sulfonic acid.
6. the preparation method of composite floor substrate as claimed in claim 5, which is characterized in that the early wood and the late wood are equal
One kind in China fir or yew.
7. the preparation method of composite floor substrate as claimed in claim 6, which is characterized in that in the heat-press step, hot pressing
Temperature is at 175~225 DEG C, using five sections of hot pressing temperature areas, 0~4MPa of hot pressing pressure, 7.0~8.0s/mm of the hot pressing factor.
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| CN106985246A (en) * | 2017-03-28 | 2017-07-28 | 常州大学 | A kind of preparation method of anti-corrosion type Formaldehyde Free Wood-based Panel |
| CN107474569A (en) * | 2017-08-28 | 2017-12-15 | 安徽智博新材料科技有限公司 | A kind of preparation technology and its application method for the stifling material of synthetic plate |
| CN108393994A (en) * | 2018-03-05 | 2018-08-14 | 湖州市南浔广达木业有限公司 | A kind of production technology of sootiness timber floor |
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| JPH07164408A (en) * | 1993-12-13 | 1995-06-27 | Daiken Trade & Ind Co Ltd | Production of wooden decorative panel |
| JPH1170800A (en) * | 1997-08-29 | 1999-03-16 | Dainippon Printing Co Ltd | Decorative material |
| JP2000271903A (en) * | 1999-03-24 | 2000-10-03 | Nippon Paper Industries Co Ltd | Veneer with grain pattern and manufacture thereof |
| US7507360B2 (en) * | 2005-11-29 | 2009-03-24 | Timtek, Llc | System and method for the preservative treatment of engineered wood products |
| CN101549508B (en) * | 2009-03-20 | 2011-05-25 | 北京林业大学 | Technical method for lumber functionality improvement |
| CN102409835B (en) * | 2011-09-07 | 2013-07-24 | 李茂林 | High-density composite board specially used for wood floor and manufacturing method thereof |
| CN102581906A (en) * | 2012-02-27 | 2012-07-18 | 谢庆国 | Machining method for bamboo jar container |
| CN105291237B (en) * | 2015-09-18 | 2017-11-10 | 安徽创业机电设备有限公司 | A kind of wooden handle manufacturing process with sterilizing function |
| CN105365021B (en) * | 2015-11-09 | 2017-08-25 | 成都市美康三杉木业有限公司 | A kind of environmental protection flame retardant antibacterial reinforced wood floor and its manufacture method |
| CN105729597B (en) * | 2016-02-17 | 2018-07-10 | 江苏肯帝亚木业有限公司 | A kind of color and luster sootiness treatment process of timber modification face layer |
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