CN109749307A - A kind of Wood-plastic floor processing technology of bamboo and wood substrate - Google Patents
A kind of Wood-plastic floor processing technology of bamboo and wood substrate Download PDFInfo
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- CN109749307A CN109749307A CN201910051362.6A CN201910051362A CN109749307A CN 109749307 A CN109749307 A CN 109749307A CN 201910051362 A CN201910051362 A CN 201910051362A CN 109749307 A CN109749307 A CN 109749307A
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Abstract
The invention discloses a kind of Wood-plastic floor processing technologys of bamboo and wood substrate, wheat straw is washed to neutrality, it is placed in 100 DEG C of baking oven and is dried for 24 hours again, cladding processing weighs a certain amount of toluene, it is heated to 60 degree or so, it is stirred continuously down again and pp powder is added by 1% concentration, stirring to pp powder is completely dissolved, it is cooled to room temperature, wherein by the wheat straw powder intrusion of drying, it takes out and extracts after ten minutes, it is put into 80 degree of baking ovens, it scatters and dries 2h, taking-up is placed in drier spare wheat straw fiber and is ground into wheat straw powder by plastics grind machine, wheat straw powder is sifted out by the sieve of 80 mesh again；Wheat straw powder is impregnated into 30min in 45 DEG C, 10%H2SO4 solution, main removal influences the impurity such as the pectin of performance and cleans to neutrality, with 10%NaOH solution.The present invention uses the wheat straw powder of 80 mesh, so that PVC is less likely to occur to reunite when mixing, reaches finely dispersed effect, raw material it is simple and easy to get, bring great economic interests, improve mechanical performance.
Description
Technical field
The present invention relates to Wood-plastic floor technical field more particularly to a kind of Wood-plastic floor processing technologys of bamboo and wood substrate.
Background technique
Wood plastic composite is a kind of composite board material for being surging forward in recent years both at home and abroad, by by plastics and
Sheet shape through hot extrusion molding after wooden powder is mixed in a certain ratio.Wood plastic composite includes plastics, thus has
Preferable elasticity modulus, further, since including fiber and through being sufficiently mixed with plastics, thus have with the comparable resistance to compression of hardwood,
The physical mechanical properties such as counter-bending, and its durability is substantially better than common wood materials.
But existing Wood-plastic floor quality is all than heavier, and stability is bad, is easily damaged during use, knot
Structure is complicated, and high production cost is not easy to transport, brings great limitation to the use of people, restrict the development of Wood-plastic floor, because
This, needs to design a kind of Wood-plastic floor processing technology of bamboo and wood substrate to solve the above problems.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of Wood-plastic floors of bamboo and wood substrate to process work
Skill.
A kind of Wood-plastic floor processing technology of bamboo and wood substrate proposed by the present invention, comprising the following steps:
S1: washing wheat straw to neutrality, then is placed in 100 DEG C of baking oven and dries for 24 hours, and cladding processing weighs a certain amount of toluene,
60 degree or so are heated to, then is stirred continuously down and pp powder is added by 1% concentration, stirring is completely dissolved to pp powder, is cooled to
Room temperature wherein by the wheat straw powder intrusion of drying is taken out extract after ten minutes, be put into 80 degree of baking ovens, scatter and dry 2h, taking-up is put
Spare wheat straw fiber is ground into wheat straw powder by plastics grind machine in drier, then sifts out wheat straw powder by the sieve of 80 mesh；
S2: impregnating 30min in 45 DEG C, 10%H2SO4 solution for wheat straw powder, and it is clear that main removal influences the impurity such as the pectin of performance
After being washed till neutrality, with 10%NaOH solution, 1h is handled at 90 DEG C, the solution of low concentration is handled, the wooden middle part pectin of dissolution,
The low molecules impurity such as lignin and hemicellulose；
S3: the raw material for making Wood-plastic floor are sufficiently mixed in agitator tank, will when being stirred
Major ingredient and the addition of auxiliary material gradation sequence are stirred mixing；
S4: being added to raw material in heating kettle and carry out heating and melting, and heating time is at least 30 minutes, and to raw material
During heating, while raw material are stirred using agitating paddle, make the mixing between raw material more abundant, wait stir
Mixing incorporation time is more than auxiliary material to be added to the inside of heating kettle, then be persistently stirred to mixing mixed after 20 minutes
It closes, mixing is carried out granulation processing followed by pelletizer；
S5: being put into mold for the pellet being kneaded, and places into that hot press is hot-forming, is then waited for using the method for rapid cooling
It pushes plate temperature and is down to the slab that nearly 100 DEG C of taking-ups press, obtain corresponding product after being completely cooled down to room temperature, be processed into requirement
Wood-plastic floor shape；
S6: being surface-treated the Wood-plastic floor of machine-shaping, finally examines, packs.
Further, in step S3, the major ingredient is PVC and wheat straw powder, and obtaining raw material proportioning according to mass number is that PVC is
100-120, wheat straw powder 70-90, tribasic lead sulfate 2-4, epoxidized soybean oil 2-3, zinc stearate 0.7-1, calcium stearate 0.3-
0.6, haloflex 4-6, activated Calcium carbonate 18-23, AC foaming agent 0.1-0.3.
Further, in step S3, the auxiliary material includes additive, and additive be lubricant, plasticizer, foaming agent and
Colorant.
Further, the lubricant polyethylene wax, zinc stearate, paraffin, ethylene bis-fatty acid amides are one such
Or two kinds of mixtures.
Further, in step S4, the temperature of the machine barrel of the pelletizer controls 150-195 DEG C, and the head of extruder
Temperature be 180-205 DEG C.
Further, in step S5, the hot pressing temperature of the hot press is 175 DEG C, hot pressing time 8min, pressed density
For the wood plastic composite of 0.809/em3,10mm thickness.
Further, in step S4, I sections of machine barrel of temperature of extruder is 105-170 DEG C, and the temperature that II sections of machine barrel is
160-190 DEG C, the temperature that III sections of machine barrel is 170-195 DEG C, and the temperature that IV sections of machine barrel is 180-199 DEG C.
Further, in step S4, the temperature of machine head port mould section is 180-205 DEG C, and the revolving speed of dual-screw pelletizer is
429r/min, screw diameter 71.8mm, screw rod radius ratio are 32:56.
Further, the plasticizer can be polyurethane, and colorant can be UV clean oil.
Further, in step S3, it is provided with feed opening several different on agitator tank, different raw materials is criticized
The addition of amount.
The invention has the following advantages:
1, finely dispersed effect, raw material are reached so that PVC is less likely to occur to reunite when mixing using the wheat straw powder of 80 mesh
It is simple and easy to get, bring great economic interests.
2, using the method for modifying of cladding, the compatibility between plant fiber and resin matrix is substantially increased, machine is improved
Tool performance.
3, reasonable formula design and moulding process can ensure that the performance of product and economic benefit and look forward to
It is conducive to invincible position in industry competition.
Detailed description of the invention
Fig. 1 is a kind of flowage structure schematic diagram of the Wood-plastic floor processing technology of bamboo and wood substrate proposed by the present invention；
Fig. 2 is a kind of moulding process comparative structure schematic diagram of the Wood-plastic floor processing technology of bamboo and wood substrate proposed by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig.1-2, a kind of Wood-plastic floor processing technology of bamboo and wood substrate, comprising the following steps:
S1: washing wheat straw to neutrality, then is placed in 100 DEG C of baking oven and dries for 24 hours, and cladding processing weighs a certain amount of toluene,
60 degree or so are heated to, then is stirred continuously down and pp powder is added by 1% concentration, stirring is completely dissolved to pp powder, is cooled to
Room temperature wherein by the wheat straw powder intrusion of drying is taken out extract after ten minutes, be put into 80 degree of baking ovens, scatter and dry 2h, taking-up is put
Spare wheat straw fiber is ground into wheat straw powder by plastics grind machine in drier, then sifts out wheat straw powder by the sieve of 80 mesh,
The economy of composite material in this way, processability and physical property could be less prone to agglomeration very well during remixing；
S2: impregnating 30min in 45 DEG C, 10%H2SO4 solution for wheat straw powder, and it is clear that main removal influences the impurity such as the pectin of performance
After being washed till neutrality, with 10%NaOH solution, 1h is handled at 90 DEG C, the solution of low concentration is handled, the wooden middle part pectin of dissolution,
The low molecules impurity such as lignin and hemicellulose, does not change the chemical structure of main fibre, and reduces fiber rotation angle, molecule
Orientation improves；
S3: the raw material for making Wood-plastic floor are sufficiently mixed in agitator tank, will when being stirred
Major ingredient and the addition of auxiliary material gradation sequence are stirred mixing；
S4: being added to raw material in heating kettle and carry out heating and melting, and heating time is at least 30 minutes, and to raw material
During heating, while raw material are stirred using agitating paddle, make the mixing between raw material more abundant, wait stir
Mixing incorporation time is more than auxiliary material to be added to the inside of heating kettle, then be persistently stirred to mixing mixed after 20 minutes
It closes, mixing is carried out granulation processing followed by pelletizer；
S5: being put into mold for the pellet being kneaded, and places into that hot press is hot-forming, is then waited for using the method for rapid cooling
It pushes plate temperature and is down to the slab that nearly 100 DEG C of taking-ups press, obtain corresponding product after being completely cooled down to room temperature, be processed into requirement
Wood-plastic floor shape；
S6: being surface-treated the Wood-plastic floor of machine-shaping, finally examines, packs.
Wherein, in step S3, major ingredient be PVC and wheat straw powder, according to mass number obtain raw material proportioning be PVC be 100-120,
Wheat straw powder 70-90, tribasic lead sulfate 2-4, epoxidized soybean oil 2-3, zinc stearate 0.7-1, calcium stearate 0.3-0.6, chlorination
Polyethylene 4-6, activated Calcium carbonate 18-23, AC foaming agent 0.1-0.3；In step S3, auxiliary material includes additive, and additive is
Lubricant, plasticizer, foaming agent and colorant；Lubricant is added to reduce the friction inside solution and processing equipment and solution
With adherency, plasticizer is added, processing temperature can be reduced, reduce the decomposition and smoke of wheat straw, foaming agent reduces Wood-plastic material
Quality, reduces cost, and colorant is added, so that product fades, and ultimately becomes grey, lubricant polyethylene wax, zinc stearate,
Paraffin, ethylene bis-fatty acid amides are one such or two kinds of mixtures；In step S4, the temperature control of the machine barrel of pelletizer exists
150-195 DEG C, and the temperature of the head of extruder is 180-205 DEG C；In step S5, the hot pressing temperature of hot press is 175 DEG C, heat
The pressure time is 8min, the wood plastic composite of pressed density 0.809/em3,10mm thickness；In step S4, the machine barrel I of extruder
The temperature of section is 105-170 DEG C, and the temperature that II sections of machine barrel is 160-190 DEG C, and the temperature that III sections of machine barrel is 170-195 DEG C, machine barrel
IV sections of temperature is 180-199 DEG C, and the temperature of machine head port mould section is 180-205 DEG C, and the revolving speed of dual-screw pelletizer is 429r/
Min, screw diameter 71.8mm, screw rod radius ratio are 32:56, and the plasticizer can be polyurethane, and colorant can be UV clean oil；
It is provided with feed opening several different in step S3, on agitator tank, the addition of batch is carried out to different raw materials.
Specific embodiment one:
According to above-mentioned process flow to raw material according to mass number obtain raw material proportioning be PVC be 100, wheat straw powder 70, three alkali formula sulphur
Lead plumbate 2, epoxidized soybean oil 2, zinc stearate 0.7, calcium stearate 0.3, haloflex 4, activated Calcium carbonate 18, AC foaming agent
0.1, it is processed, obtains Wood-plastic floor, its performance is detected.
Specific embodiment two:
According to above-mentioned process flow to raw material according to mass number obtain raw material proportioning be PVC be 110, wheat straw powder 80, three alkali formula sulphur
Lead plumbate 3, epoxidized soybean oil 3, zinc stearate 0.8, calcium stearate 0.4, haloflex 5, activated Calcium carbonate 20, AC foaming agent
0.2, it is processed, obtains Wood-plastic floor, its performance is detected.
Specific embodiment three:
According to above-mentioned process flow to raw material according to mass number obtain raw material proportioning be PVC be 120, wheat straw powder 90, three alkali formula sulphur
Lead plumbate 4, epoxidized soybean oil 3, zinc stearate 1, calcium stearate 0.6, haloflex 6, activated Calcium carbonate 22, AC foaming agent 0.3,
It is processed, obtains Wood-plastic floor, its performance is detected.
In conclusion comparative example one to three, is detected for the performance parameter in every group of embodiment: its anti-skidding survey
Try performance, one < embodiment of embodiment, two > embodiment three；Its anti-skidding test performance, one < embodiment of embodiment, two < embodiment
Three；Its one < embodiment of weight testing example, two < embodiment three；Its wearing coefficient performance, one > embodiment of embodiment, two <
Embodiment three；Its chemical resistance, one > embodiment of embodiment, two > embodiment three；With can optimizing wood moulding using embodiment two
The use characteristic of plate.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of Wood-plastic floor processing technology of bamboo and wood substrate, which comprises the following steps:
S1: washing wheat straw to neutrality, then is placed in 100 DEG C of baking oven and dries for 24 hours, and cladding processing weighs a certain amount of toluene,
60 degree or so are heated to, then is stirred continuously down and pp powder is added by 1% concentration, stirring is completely dissolved to pp powder, is cooled to
Room temperature wherein by the wheat straw powder intrusion of drying is taken out extract after ten minutes, be put into 80 degree of baking ovens, scatter and dry 2h, taking-up is put
Spare wheat straw fiber is ground into wheat straw powder by plastics grind machine in drier, then sifts out wheat straw powder by the sieve of 80 mesh；
S2: impregnating 30min in 45 DEG C, 10%H2SO4 solution for wheat straw powder, and it is clear that main removal influences the impurity such as the pectin of performance
After being washed till neutrality, with 10%NaOH solution, 1h is handled at 90 DEG C, the solution of low concentration is handled, the wooden middle part pectin of dissolution,
The low molecules impurity such as lignin and hemicellulose；
S3: the raw material for making Wood-plastic floor are sufficiently mixed in agitator tank, will when being stirred
Major ingredient and the addition of auxiliary material gradation sequence are stirred mixing；
S4: being added to raw material in heating kettle and carry out heating and melting, and heating time is at least 30 minutes, and to raw material
During heating, while raw material are stirred using agitating paddle, make the mixing between raw material more abundant, wait stir
Mixing incorporation time is more than auxiliary material to be added to the inside of heating kettle, then be persistently stirred to mixing mixed after 20 minutes
It closes, mixing is carried out granulation processing followed by pelletizer；
S5: being put into mold for the pellet being kneaded, and places into that hot press is hot-forming, is then waited for using the method for rapid cooling
It pushes plate temperature and is down to the slab that nearly 100 DEG C of taking-ups press, obtain corresponding product after being completely cooled down to room temperature, be processed into requirement
Wood-plastic floor shape；
S6: being surface-treated the Wood-plastic floor of machine-shaping, finally examines, packs.
2. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 1, which is characterized in that in step S3,
The major ingredient be PVC and wheat straw powder, according to mass number obtain raw material proportioning be PVC be 100-120, wheat straw powder 70-90, three alkali formulas
Lead sulfate 2-4, epoxidized soybean oil 2-3, zinc stearate 0.7-1, calcium stearate 0.3-0.6, haloflex 4-6, active carbonic acid
Calcium 18-23, AC foaming agent 0.1-0.3.
3. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 1, which is characterized in that in step S3,
The auxiliary material includes additive, and additive is lubricant, plasticizer, foaming agent and colorant.
4. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 3, which is characterized in that the lubricant
Polyethylene wax, zinc stearate, paraffin, ethylene bis-fatty acid amides are one such or two kinds of mixtures.
5. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 2, which is characterized in that in step S4,
The temperature of the machine barrel of the pelletizer is controlled at 150-195 DEG C, and the temperature of the head of extruder is 180-205 DEG C.
6. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 1, which is characterized in that in step S5,
The hot pressing temperature of the hot press is 175 DEG C, hot pressing time 8min, and the wood moulding of pressed density 0.809/em3,10mm thickness is multiple
Condensation material.
7. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 1, which is characterized in that in step S4,
I sections of machine barrel of temperature of extruder is 105-170 DEG C, and the temperature that II sections of machine barrel is 160-190 DEG C, and the temperature that III sections of machine barrel is
170-195 DEG C, the temperature that IV sections of machine barrel is 180-199 DEG C.
8. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 1, which is characterized in that in step S4,
The temperature of the machine head port mould section of extruder is 180-205 DEG C, and the revolving speed of dual-screw pelletizer is 429r/min, screw diameter
71.8mm, screw rod radius ratio are 32:56.
9. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 3, which is characterized in that the plasticizer
It can be polyurethane, colorant can be UV clean oil.
10. a kind of Wood-plastic floor processing technology of bamboo and wood substrate according to claim 3, which is characterized in that in step S3,
It is provided with feed opening several different on agitator tank, the addition of batch is carried out to different raw materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910051362.6A CN109749307A (en) | 2019-01-21 | 2019-01-21 | A kind of Wood-plastic floor processing technology of bamboo and wood substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910051362.6A CN109749307A (en) | 2019-01-21 | 2019-01-21 | A kind of Wood-plastic floor processing technology of bamboo and wood substrate |
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| Publication Number | Publication Date |
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| CN109749307A true CN109749307A (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910051362.6A Withdrawn CN109749307A (en) | 2019-01-21 | 2019-01-21 | A kind of Wood-plastic floor processing technology of bamboo and wood substrate |
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| CN (1) | CN109749307A (en) |
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2019
- 2019-01-21 CN CN201910051362.6A patent/CN109749307A/en not_active Withdrawn
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