CN106752009A - A kind of production technology of the wood-plastic board containing tea seed episperm powder - Google Patents
A kind of production technology of the wood-plastic board containing tea seed episperm powder Download PDFInfo
- Publication number
- CN106752009A CN106752009A CN201611251159.6A CN201611251159A CN106752009A CN 106752009 A CN106752009 A CN 106752009A CN 201611251159 A CN201611251159 A CN 201611251159A CN 106752009 A CN106752009 A CN 106752009A
- Authority
- CN
- China
- Prior art keywords
- wood
- tea seed
- powder
- seed episperm
- plastic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
-
- 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
- B27N3/28—Moulding or pressing characterised by using extrusion presses
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of production technology of the wood-plastic board containing tea seed episperm powder, comprise the following steps：1）Tea seed episperm and its accessory substance are collected and treatment；2）Tea seed episperm prepares activated carbon powder；3）Wood-plastic board composition of raw materials includes according to mass fraction：PP plastic grains 25%, wood powder 35%, activated carbon powder 10% and auxiliary agent 30%；4）It is prepared by Wood-plastic material；5）Extrusion；The technique uses new formula, the activated carbon powder prepared using tea seed episperm replaces part molybdenum wood powder, the usage amount of wood powder can not only be reduced but also with the effect of preferable formaldehyde adsorption, and can possess preferable moisture absorption in rainy season, ensure that the pure and fresh drying of room air is not moist, also by protection against the tide indoor article can be prevented mouldy etc..
Description
Technical field
The present invention relates to a kind of production technology of the wood-plastic board containing tea seed episperm powder.
Background technology
Wood-plastic composite panel is a kind of main by timber（Lignose, plant cellulose）Based on material it is high with thermoplasticity
Molecular material（Plastics）With processing aid etc., it is well mixed after the high-tech that heats extrusion molding through die apparatus again and be made it is green
Colour circle protects new decorative material, has the performance and feature of timber and plastics concurrently, is the NEW TYPE OF COMPOSITE material that can substitute timber and plastics
Material.
Wood-plastic board is because of its preferable environmental-protecting performance, therefore extensive utilization is to indoor decoration, construction material, gardens field, packaging
On field, shipping vehicle, and use the comparing in interior decoration field many at present；Existing wood-plastic board primary raw material is wood
Powder, plastics and auxiliary agent, but the amount of wood powder that needs of existing this composition of raw materials is than larger, and environmentally friendly consideration is in, wood
Measure bigger the need for powder, the wood of felling just compares many, is unfavorable for environmental protection；Secondly, wood-plastic board makes during use indoors
Also it is further limited by with effect, such as wood-plastic board can not adsorb the formaldehyde contained by newly-decorated other sheet materials of interior.
Secondly, the people that adds of wood powder can typically make the mobile performance of material be deteriorated.With the raising of wood powder content, fusion time
Extension, mobility also can be more and more lower.If the mobility of material is too poor, wood powder will be subject to larger shear force, increase
Residence time in extruder, wood powder is easily burnt, be unfavorable for extrusion；, whereas if mobility is excessive, it is impossible to form enough
Extrusion pressure, will also result in the intensity defect and surface defect of product.
The content of the invention
For above-mentioned problem, the present invention is intended to provide a kind of production technology of the wood-plastic board containing tea seed episperm powder, is somebody's turn to do
Technique uses new formula, and the activated carbon powder prepared using tea seed episperm replaces part molybdenum wood powder, can not only reduce the use of wood powder
Measure but also with the effect of preferable formaldehyde adsorption, and can possess preferable moisture absorption in rainy season, it is ensured that room air is pure and fresh
Drying is not moist, also by protection against the tide indoor article can be prevented mouldy etc..
To achieve these goals, the technical solution adopted in the present invention is as follows：
A kind of production technology of the wood-plastic board containing tea seed episperm powder, comprises the following steps：
1）Tea seed episperm and its accessory substance are collected and treatment：Collect tea seed episperm and utilize the accessory substance of tea seed episperm production furfural residual
Slag, the impurity in tea seed episperm is cleaned out by winnowing machine；
2）Tea seed episperm prepares activated carbon powder：Charing process is first carried out to tea seed episperm and byproduct residue, then with 1.5-2 DEG C/min
Cooling rate water-cooled cooling, then boil, filter, adjust pH value, activation, it is air-cooled, crush it is powdered, be made activated carbon
Powder；
3）Wood-plastic board composition of raw materials includes according to mass fraction：PP plastic grains 25%, wood powder 35%, activated carbon powder 10% and help
Agent 30%；
4）It is prepared by Wood-plastic material：Raw material is first added in high-speed mixer：PP plastic grains 25%, wood powder 35%, activated carbon powder
10%, stir, 100 DEG C of temperature is then gradually added into auxiliary agent, adjusts the temperature in every kind of auxiliary agent adition process, mixed in high speed
Mixing, drying, dispensing, shading operations are completed in conjunction machine, after completing operation in high-speed mixer, stirring in cooling bucket is transferred to cold
But, treat, chilling temperature transports to extruder to 35-40 DEG C of luck；
5）Extrusion：Extrusion operation is carried out using double screw extruder：Screw rod charging rotating speed is 8.2-8.4r/min, and extrusion temperature is
150-160 DEG C, by mould extrusion molding.
Preferably, the step（3）Middle auxiliary agent includes fire retardant 20%, stabilizer 1.5%, foaming agent 1.5%, coupling agent
1.5%th, lubricant 1.5%, compatilizer 2%, toughener 2%.
Preferably, the step（4）Middle PP plastic grains and wood powder first carry out prebake, prebake before mixing
30-35 DEG C of temperature.
Preferably, the step（4）It is middle first to add preliminary drying dry wood flour to be stirred 5-6 minutes at a temperature of 100 DEG C, rise high temperature
Degree added coupling agent to 110-115 minutes, stopped stirring 2-3 minutes, added PP plastic grains and stabilizer, continued to stir, together
Shi Jiangwen, cooling rate be 1.5-2 DEG C/min, when temperature drops to 80 DEG C, plus lubricant, fire retardant, foaming agent, compatilizer and
Toughener, stirs.
Preferably, the step（5）Middle mould includes mouth mold and shaper, and pressurize 16MPa at the mouth mold import,
Pressure is gradually discharged in mouth mold exit；The shaper includes dry sizing part and wet setting part, the wet setting
Part is to carry out cooling and shaping by being arranged on the cooling line of mould inside.
The beneficial effects of the invention are as follows：It is compared with prior art, of the invention to the improvement is that,
First, the present invention is improved to the formula of wood-plastic board, tea seed episperm is selected with the remaining pair of furfural produced with tea seed episperm
Product residue comprehensively prepares activated carbon, and the performance that both combine is good, and the quality of activated carbon index of production can reach other shells
The level of activated carbon, and active yield is high, and the appearance of the low production of cost of material is good, of good quality, microcosmic lower with many micropores,
This activated carbon can adsorb particulates and bacterium, the effects such as sterilized, sterilization be played, with good filtration
And there is the performance of preferable formaldehyde adsorption with the wood-plastic board that wood powder and plastics are combined production, moreover it is possible to adsorb indoor moisture
Air, keeps room air pure and fresh；
Second, the present invention is improved to processing technology, the content to wood powder is adjusted, wood meal shared body in system
Product is big to adsorbances such as lubricant, plasticizer, processing aids than increase.Though larger frictional heat can be produced in process to be made
Plasticizing rate is accelerated, but is not enough to offset and slows down plasticizing rate and cause plasticizing because plasticizer, processing aid etc. are adsorbed
Time increased influence, so that the plasticizing of PVC postpones；And wood powder content is bigger, the processing aid of absorption is more, can so make
Fusion time increases, poor processability.It is final to determine that selection wood powder content is 35%；
Third, the important part-screw rod of extruder, the technical speed speed of screw rod is directly affected extrudes quality and extrusion efficiency；
During screw speed very little, material is pushed ahead with laminar flow, and product surface is smooth after extrudate outlet mold, and simply yield is very low；Spiral shell
Bar rotating speed increases, and material, gradually to slip-stream transition, occurs that quality of item is asked in mouth mold if slip-stream is not smooth or is obstructed
Topic；Therefore in actual production process, the rotating speed to screw rod is improved, and makes the charging range of speeds in 8.2-8.4r/min,
In the range of this, rate of extrusion is not only improved, and slip ratio of the material in mouth mold is smoother, and resistance reduces；
Fourth, the present invention is improved to the temperature in extrusion, and using the operation of prebake before mixed at high speed
The moisture remained in wood powder and plastics is carried out into prebake, it is ensured that extrusion raw material in mixed process wood powder and plastic grain it is dry
Dry degree, if temperature can occur " burn " higher than 180 DEG C forms brown generally in extrusion, reduces the outward appearance of product, if
The too low melt viscosity that can influence extruded stock of temperature, therefore the present invention is adjusted improvement in actual production process to temperature, makes
Temperature will not only burn in the range of 150-160 DEG C, not influence outward appearance, and melt viscosity is higher, preferably shaping.
Specific embodiment
In order that one of ordinary skill in the art is better understood on technical scheme, with reference to embodiment
Technical scheme is further described.
Embodiment：A kind of production technology of the wood-plastic board containing tea seed episperm powder, comprises the following steps：
1）Tea seed episperm and its accessory substance are collected and treatment：Collect tea seed episperm and utilize the accessory substance of tea seed episperm production furfural residual
Slag, the impurity in tea seed episperm is cleaned out by winnowing machine；
2）Tea seed episperm prepares activated carbon powder：Charing process is first carried out to tea seed episperm and byproduct residue, then with 1.5-2 DEG C/min
Cooling rate water-cooled cooling, then boil, filter, adjust pH value, activation, it is air-cooled, crush it is powdered, be made activated carbon
Powder；It is the same that tea seed episperm prepares activated carbon operation with the charing of accessory substance with general shell, is not repeated here, this operation
The content 70% of middle tea seed episperm, byproduct residue 30%；
3）Wood-plastic board composition of raw materials includes according to mass fraction：PP plastic grains 25%, wood powder 35%, activated carbon powder 10% and help
Agent 30%；Auxiliary agent include fire retardant 20%, stabilizer 1.5%, foaming agent 1.5%, coupling agent 1.5%, lubricant 1.5%, compatilizer 2%,
Toughener 2%；
4）It is prepared by Wood-plastic material：Raw material is first added in high-speed mixer：PP plastic grains 25%, wood powder 35%, activated carbon powder
10%, stir, 100 DEG C of temperature is then gradually added into auxiliary agent, adjusts the temperature in every kind of auxiliary agent adition process, mixed in high speed
Mixing, drying, dispensing, shading operations are completed in conjunction machine, after completing operation in high-speed mixer, stirring in cooling bucket is transferred to cold
But, treat, chilling temperature transports to extruder to 35-40 DEG C of luck；
PP plastic grains and wood powder first carry out prebake, 30-35 DEG C of prebake temperature before mixing；First add prebake wood
Powder is stirred 5-6 minutes at a temperature of 100 DEG C, rises high-temperature to 110-115 minutes, adds coupling agent, stops stirring 2-3 minutes,
PP plastic grains and stabilizer are added, continues to stir, while cooling, cooling rate is 1.5-2 DEG C/min, and temperature drops to 80 DEG C
When, plus lubricant, fire retardant, foaming agent, compatilizer and toughener, stir；
The present invention is added by distribution to raw material, and the temperature parameter that can be combined according to different material carries out rationally efficient
Mixing, improves the uniformity of mixing, it is ensured that the uniformity of molten extruded stock, and then improves the consistent of the quality of wood moulding plate surface
Property；
5）Extrusion：Extrusion operation is carried out using double screw extruder：Screw rod charging rotating speed is 8.2-8.4r/min, and extrusion temperature is
150-160 DEG C, by mould extrusion molding；Mould includes mouth mold and shaper, and pressurize 16MPa at the mouth mold import,
Mouth mold exit gradually discharges pressure；The shaper includes dry sizing part and wet setting part, the wet setting portion
It is to carry out cooling and shaping by being arranged on the cooling line of mould inside to divide；
Die temperature is too high or too low all to cause melt fracture, if temperature is too low, can increase between melt and runner
Rubbing action, influence sliding, causes melt fracture；The viscosity of wood plastic composite can also be increased, flow difficulties are caused, make runner
Stream at wall is cooled and solidified too early, it is impossible to full of flow channel, it is difficult to extrusion molding；Can also make material plasticizing bad, no
Wood powder can be fully wrapped up, the intensity of product is affected.If temperature is raised, the surface quality of extruded product has very big
Improve, material by changeover portion enter people shape section runner when in molten condition, to ensure that extrusion is smoothed out, the temperature of head should
Discrete control, i.e. temperature are gradually reduced, and 150 DEG C are gradually cooled to from 170 DEG C of speed with 2 DEG C/min；
Mouth mold is the part being connected with extruder interface, and its Main Function is to make fused materials be changed into straight line from rotary motion to transport
Dynamic, the briquetting pressure that generation must be played molds the plastic products of required cross sectional shape；
In addition to wood plastic composite mould is acted on more than, it is necessary to provided enough to fused materials before the flat segments of mould
Pressure, to ensure that material does not foam in the mould population segment such as extruder, merging core, head, in mouth mold exit portion by head
Pressure slowly discharges, and forms uniform microvesicle before outlet mold around nucleator；
Shaper be the temperature of the material after material by product requirement final molding to solid-state, should be taken into account outlet mold also
It is very high, do not stop completely in sizing foam-in-mould, material continues to expansion；Wood plastic composite cooling meat rate is poor, after
Phase shrinks larger, and shaper is divided into dry and wet and shapes two parts, wherein dry setting section is divided into stock mould, wet setting part refers to then
Water tank；It is section bar is in close contact with stock mould by vacuum suction when section bar is by stock mould, cooling water flows through water hole and takes away heat
Amount, heat exchange is completed with section bar, cools down section bar fixed-type.
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (5)
1. a kind of production technology of the wood-plastic board containing tea seed episperm powder, it is characterised in that comprise the following steps：
1）Tea seed episperm and its accessory substance are collected and treatment：Collect tea seed episperm and utilize the accessory substance of tea seed episperm production furfural residual
Slag, the impurity in tea seed episperm is cleaned out by winnowing machine；
2）Tea seed episperm prepares activated carbon powder：Charing process is first carried out to tea seed episperm and byproduct residue, then with 1.5-2 DEG C/min
Cooling rate water-cooled cooling, then boil, filter, adjust pH value, activation, it is air-cooled, crush it is powdered, be made activated carbon
Powder；
3）Wood-plastic board composition of raw materials includes according to mass fraction：PP plastic grains 25%, wood powder 35%, activated carbon powder 10% and help
Agent 30%；
4）It is prepared by Wood-plastic material：Raw material is first added in high-speed mixer：PP plastic grains 25%, wood powder 35%, activated carbon powder
10%, stir, 100 DEG C of temperature is then gradually added into auxiliary agent, adjusts the temperature in every kind of auxiliary agent adition process, mixed in high speed
Mixing, drying, dispensing, shading operations are completed in conjunction machine, after completing operation in high-speed mixer, stirring in cooling bucket is transferred to cold
But, treat, chilling temperature transports to extruder to 35-40 DEG C of luck；
5）Extrusion：Extrusion operation is carried out using double screw extruder：Screw rod charging rotating speed is 8.2-8.4r/min, and extrusion temperature is
150-160 DEG C, by mould extrusion molding.
2. the production technology of a kind of wood-plastic board containing tea seed episperm powder according to claim 1, it is characterised in that：The step
（3）Middle auxiliary agent include fire retardant 20%, stabilizer 1.5%, foaming agent 1.5%, coupling agent 1.5%, lubricant 1.5%, compatilizer 2%,
Toughener 2%.
3. the production technology of a kind of wood-plastic board containing tea seed episperm powder according to claim 1, it is characterised in that：The step
（4）Middle PP plastic grains and wood powder first carry out prebake, 30-35 DEG C of prebake temperature before mixing.
4. the production technology of a kind of wood-plastic board containing tea seed episperm powder according to claim 5, it is characterised in that：The step
（4）It is middle first to add preliminary drying dry wood flour to be stirred 5-6 minutes at a temperature of 100 DEG C, high-temperature is risen to 110-115 minutes, add coupling
Agent, stops stirring 2-3 minutes, adds PP plastic grains and stabilizer, continues to stir, while cooling, cooling rate is 1.5-2
DEG C/min, when temperature drops to 80 DEG C, plus lubricant, fire retardant, foaming agent, compatilizer and toughener, stir.
5. the production technology of a kind of wood-plastic board containing tea seed episperm powder according to claim 1, it is characterised in that：The step
（5）Middle mould includes mouth mold and shaper, and pressurize 16MPa at the mouth mold import, gradually releases pressure in mouth mold exit
Put；The shaper includes dry sizing part and wet setting part, and the wet setting part is by being arranged on mould inside
Cooling line carry out cooling and shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251159.6A CN106752009A (en) | 2016-12-30 | 2016-12-30 | A kind of production technology of the wood-plastic board containing tea seed episperm powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251159.6A CN106752009A (en) | 2016-12-30 | 2016-12-30 | A kind of production technology of the wood-plastic board containing tea seed episperm powder |
Publications (1)
| Publication Number | Publication Date |
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| CN106752009A true CN106752009A (en) | 2017-05-31 |
Family
ID=58928024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611251159.6A Pending CN106752009A (en) | 2016-12-30 | 2016-12-30 | A kind of production technology of the wood-plastic board containing tea seed episperm powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141834A (en) * | 2017-07-05 | 2017-09-08 | 安徽红树林新材料科技有限公司 | A kind of wood powder tea stalk powder blending type thermoplastic wood plastic composite and preparation technology |
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| CN102229729A (en) * | 2011-05-10 | 2011-11-02 | 江苏明天材料科技有限公司 | Wood plastic composite plate capable of adsorbing toxic gas, and preparation method thereof |
| CN105602269A (en) * | 2016-01-26 | 2016-05-25 | 浙江巨森建材科技有限公司 | Wood-plastic composite integrated home furnishing plate and manufacturing process thereof |
| CN106147270A (en) * | 2016-07-21 | 2016-11-23 | 芜湖昊轩环保新材料有限公司 | A kind of adsorptivity aging resistance sterilization wood plastic composite board and preparation method thereof |
| CN106189320A (en) * | 2016-07-21 | 2016-12-07 | 芜湖昊轩环保新材料有限公司 | A kind of colored anticorrosion absorption wood plastic composite board and preparation method thereof |
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2016
- 2016-12-30 CN CN201611251159.6A patent/CN106752009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229729A (en) * | 2011-05-10 | 2011-11-02 | 江苏明天材料科技有限公司 | Wood plastic composite plate capable of adsorbing toxic gas, and preparation method thereof |
| CN105602269A (en) * | 2016-01-26 | 2016-05-25 | 浙江巨森建材科技有限公司 | Wood-plastic composite integrated home furnishing plate and manufacturing process thereof |
| CN106147270A (en) * | 2016-07-21 | 2016-11-23 | 芜湖昊轩环保新材料有限公司 | A kind of adsorptivity aging resistance sterilization wood plastic composite board and preparation method thereof |
| CN106189320A (en) * | 2016-07-21 | 2016-12-07 | 芜湖昊轩环保新材料有限公司 | A kind of colored anticorrosion absorption wood plastic composite board and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141834A (en) * | 2017-07-05 | 2017-09-08 | 安徽红树林新材料科技有限公司 | A kind of wood powder tea stalk powder blending type thermoplastic wood plastic composite and preparation technology |
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Application publication date: 20170531 |