CN104191772A - Ecological environment-friendly wood-plastic composite panel for advertisement board and preparation method of panel - Google Patents
Ecological environment-friendly wood-plastic composite panel for advertisement board and preparation method of panel Download PDFInfo
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Abstract
The invention discloses an ecological environment-friendly wood-plastic composite panel for an advertisement board and a preparation method of the panel, belonging to the technical filed of manufacture of wood-plastic composite materials. The panel is of a three-layer composite structure and is composed of outer surface soft layers and a middle hard layer, wherein the hard layer is clamped between the two soft layers which are completely the same; the thickness of the hard layer is 0.5-5mm, and the thickness of each soft layer is 0.25-2.5mm. By taking recycled wastes such as sunflower straws and wood-plastic waste and PVC as basic materials, the ecological environment-friendly wood-plastic composite panel comprising a soft-surface thermoplastic elastomer as the outer surface layer and a hard support as the middle layer is produced, and is a good substitute for an existing advertisement board. The ecological environment-friendly wood-plastic composite panel is environmentally friendly and low-carbon, harmless to environment and a human body, good in water-resisting property, easy in demolding, long in service life, unlikely to deform, smooth in surface, and good in fire resistance and photostability, and also has antibacterial insect-prevention effect, and the dimension of the composite panel can be specified by customers.
Description
Technical field
The invention belongs to Wood-plastic material manufacturing technology field, relate to particularly a kind of billboard ecological environment-friendly type wood-plastic composite board and preparation method thereof.
Background technology
Now, advertisement has become the accelerator of China's economic development, is also an important channel that promotes international trade, increase foreign exchange, expands the audient visual field.Along with social development in science and technology, all kinds of advertising medias and means emerge in an endless stream, and PVC billboard is wherein a kind of outstanding advertising carrier.
PVC billboard is generally PVC foaming plate, has anticorrosion, moistureproof, mildew-resistant, does not absorb water, can bore, can saw, can dig, is easy to the characteristic such as thermoforming, thermal flexure processing, also has the advantages such as resistance to chemical attack, weatherability, anti-flammability.But still there are many defects in it, as caused levels of audit quality uneven because manufacturer is different; Portioned product stability is bad may be out of shape because of high temperature; Non-natural material, texture is good not, aesthetic property aspect shortcoming etc.
The wood-plastic composite board occurring in recent years, its good mechanical property, can as timber, saw, plane, the machinings such as nail, have hard, tough, durable, wear-resisting performance, raw material is cheap abundant, recyclable, can reduce environmental pollution, protect forest resources, as a kind of green material, can be widely used in building materials, furniture, logistics packaging, the industries such as advertisement, while use as billboard, in texture, the aspect performances such as aesthetic property are obviously better than PVC foaming plate, be subject to market and users' favor, wood is moulded the alternative PVC billboard of compound billboard has become fashion trend.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of billboard ecological environment-friendly type wood-plastic composite board and preparation method thereof, this billboard is moulded the recovery waste materials such as waste material and PVC as base-material with Wood plastic boards taking sunflower stalk, wood, producing extexine is that soft thermoplastic elastomer (TPE), intermediate layer are the hard sheet material supporting, it is the good substitute of existing billboard, it has environmental protection low-carbon (LC), to environment and body harmless, water-resistance is good, life-span is long, not yielding, smooth surface, anti-flammability and good light stability, the features such as antibacterial insect protected, client can specified size.
To achieve these goals, the present invention is achieved by the following technical solutions:
A kind of billboard ecological environment-friendly type wood-plastic composite board, is three-layer composite structure, is made up of appearance soft formation and middle hard formation, and hard formation is sandwiched between two-layer identical soft formation, and hard formation thickness is 0.5-5mm, soft formation thickness 0.25-2.5mm.
The component of described hard formation, comprises the raw material of following weight portion: SG-7 type PVC 50-55 part, sunflower stalk 20-25 part, reclaim section bar waste material 8-12 part, AC blowing agent 0.1-0.2 part, foaming control agent 4-6 part, CPE135A 4-6 part, wood powder 4-5.5 part, active fine particle calcium carbonate 15-25 part, compound stabilizer 2.8-3.5 part, OA-60.3-0.35 part, interior lubricated 600.8-0.9 part, CP-1000.4-0.6 part, reinforcing agent JM-017-9 part.
The component of described soft formation, comprises the raw material of following weight portion: SG-8 type PVC 50-55 part, sunflower stalk 20-25 part, reclaim wood and mould waste material 8-12 part, AC blowing agent 0.2-0.3 part, foaming control agent 5-7 part, CPE135A 4-6 part, wood powder 4.5-6 part, active fine particle calcium carbonate 15-25 part, compound stabilizer 3-4 part, 18160.3-0.35 part, interior lubricated 600.8-0.9 part, PE wax 0.4-0.6 part, Firebrake ZB 15-20 part, phosphite ester 0.5-1 part.
Described in above-mentioned hard formation and soft formation, the granularity of wood powder is 100 orders; Described in above-mentioned hard formation and soft formation, the granularity of active fine particle calcium carbonate is 800-1000 order; Described in above-mentioned soft formation, the particle diameter of Firebrake ZB is 1-2um.
The preparation method of ecological environment-friendly type wood-plastic composite board for billboard of the present invention, comprises following concrete steps:
(1) sunflower stalk pretreatment
In ultrasonic water bath groove, 50-55 DEG C of water bath processing sunflower stalk 0.5-1h, the aqueous hydrogen peroxide solution that wherein water bath shampoo is 30%, bath raio is 15:1, take out cotton stalk after washing dry, Han Shui Liang≤12%, pulverizes, cross 100 mesh sieves, obtain sunflower powder of straw, for subsequent use;
(2) batch mixing
1. hard formation premix preparation
Take by weight pretreatment sunflower powder of straw, SG-7 type PVC, reclaim section bar waste material, active fine particle calcium carbonate, wood powder, compound stabilizer, AC blowing agent, foaming control agent adds in high-speed mixer successively, startup mixing speed is 350-500r/min, at 90-100 DEG C, mix 3-5min, be adjusted to 1200-1500r/min, at 90-100 DEG C, mix 5-8min, add again CPE135A, OA-6, interior lubricated 60, CP-100, reinforcing agent JM-01, at 100-110 DEG C, under the condition of 1500-2000r/min, mix 15-20min, at 110-130 DEG C, under the condition of 500-600r/min, mix 5-8min, be cooled to 45-55 DEG C, obtain hard formation premix,
2. soft formation premix preparation
Take by weight pretreatment sunflower powder of straw, SG-8 type PVC, reclaim wood and mould waste material, active fine particle calcium carbonate, wood powder, compound stabilizer, AC blowing agent, foaming control agent adds in high-speed mixer successively, startup mixing speed is 350-500r/min, at 90-100 DEG C, mix 3-5min, be adjusted to 1200-1500r/min, at 90-100 DEG C, mix 5-8min, add again CPE135A, 1816, interior lubricated 60, PE wax, Firebrake ZB, phosphite ester, at 100-110 DEG C, under the condition of 1500-2000r/min, mix 15-20min, at 110-130 DEG C, under the condition of 500-600r/min, mix 5-8min, be cooled to 45-55 DEG C, obtain soft formation premix,
(3) coextrusion mold
Hard formation premix is dropped in the extruder hopper of main frame, soft formation premix drops in the extruder hopper as subsidiary engine, extrudes respectively, and the discharging opening of main and auxiliaries is connected to the charging aperture of mould by distributor, water cooling sizing, traction, cutting, make product.
The technological parameter condition of described coextrusion mold is as follows:
Hard formation: 1 district temperature 145-155 DEG C, 2 district temperature 160-170 DEG C, 3 district temperature 170-180 DEG C, 4 district temperature 175-185 DEG C, mold temperature 170-175 DEG C, die lip 150-155 DEG C, engine speed 20-30rpm;
Soft formation: 1 district temperature 145-155 DEG C, 2 district temperature 155-160 DEG C, 3 district temperature 175-185 DEG C, 4 district temperature 175-185 DEG C, mold temperature 165-170 DEG C, die lip 150-155 DEG C, engine speed 35-45rpm.
Described water-cooled cooling water temperature is 4-10 DEG C.
Beneficial effect of the present invention
(1) the present invention moulds the recovery waste materials such as waste material and PVC as base-material taking sunflower stalk, wood, adopt plastic blend modification technology, plastic foamed technology and MULTILAYER COMPOSITE co-extrusion technology, producing extexine is that soft thermoplastic elastomer (TPE), intermediate layer are the hard sheet material supporting, and is the good substitute of existing billboard;
(2) heteroproteose cell and oxidizable composition wherein not only can be decoloured, be removed to the present invention, by the pretreatment of sunflower stalk,, improves its heat endurance, and make its structure fluffy, and surface area increases, and is beneficial to the mixing of materials such as plastic resin and fine particle calcium carbonate and processes;
(3) Wood plastic boards environmental protection low-carbon (LC) for the billboard of the present invention's processing, to environment and body harmless, water-resistance is good, and the demoulding is easy, and the life-span is long, not yielding, smooth surface, anti-flammability and good light stability, also have antibacterial vermins-proof effect, and client can specified size.
Detailed description of the invention
Embodiment 1
A kind of billboard ecological environment-friendly type wood-plastic composite board, its preparation method is:
(1) sunflower stalk pretreatment
In ultrasonic water bath groove, 50 DEG C of water bath processing sunflower stalk 0.5h, the aqueous hydrogen peroxide solution that wherein water bath shampoo is 30%, bath raio is 15:1, takes out cotton stalk after washing dry, water content 12% is pulverized, and crosses 100 mesh sieves, obtains sunflower powder of straw, for subsequent use;
(2) batch mixing
1. hard formation premix preparation
Take by weight pretreatment sunflower powder of straw 20kg, SG-7 type PVC 55kg, reclaim section bar waste material 8kg, the active fine particle calcium carbonate 15kg of 800 objects, wood powder 4kg, compound stabilizer 2.8kg, AC blowing agent 0.1kg, foaming control agent 4kg adds in high-speed mixer successively, startup mixing speed is 350r/min, at 90 DEG C, mix 3min, be adjusted to 1200r/min, at 100 DEG C, mix 5min, add again CPE135A 4kg, OA-60.3kg, interior lubricated 600.8kg, CP-1000.4kg, reinforcing agent JM-017kg, at 110 DEG C, under the condition of 1500r/min, mix 15min, at 110 DEG C, under the condition of 500r/min, mix 5min, be cooled to 45 DEG C, obtain hard formation premix,
2. soft formation premix preparation
Take by weight pretreatment sunflower powder of straw 20kg, SG-8 type PVC 55kg, reclaim wood and mould waste material 8kg, the active fine particle calcium carbonate 15kg of 800 objects, wood powder 4.5kg, compound stabilizer 3kg, AC blowing agent 0.2kg, foaming control agent 5kg adds in high-speed mixer successively, startup mixing speed is 350r/min, at 90 DEG C, mix 3min, be adjusted to 1200r/min, at 100 DEG C, mix 5min, add again CPE135A 4kg, 18160.3kg, interior lubricated 600.8kg, PE wax 0.4kg, the Firebrake ZB 15kg of 0.2um, phosphite ester 0.5kg, at 110 DEG C, under the condition of 1500r/min, mix 15min, at 110 DEG C, under the condition of 500r/min, mix 5min, be cooled to 45 DEG C, obtain soft formation premix,
(3) coextrusion mold
Hard formation premix is dropped in the extruder hopper of main frame, soft formation premix drops in the extruder hopper as subsidiary engine, extrudes respectively, and the discharging opening of main and auxiliaries is connected to the charging aperture of mould by distributor, water cooling sizing, traction, cutting, make product.
The technological parameter condition of described coextrusion mold is as follows:
Hard formation: 1 145 DEG C of district's temperature, 2 160 DEG C of district's temperature, 3 170 DEG C of district's temperature, 4 175 DEG C of district's temperature, 170 DEG C of mold temperatures, 150 DEG C of die lips, engine speed 20rpm;
Soft formation: 1 145 DEG C of district's temperature, 2 155 DEG C of district's temperature, 3 175 DEG C of district's temperature, 4 175 DEG C of district's temperature, 165 DEG C of mold temperatures, 150 DEG C of die lips, engine speed 35rpm.
Described water-cooled cooling water temperature is 10 DEG C.
The finished product of the present embodiment, the thickness specification of hard formation is 5mm, and the thickness specification of soft formation is 2.5mm, and gross thickness is 10mm.
Embodiment 2
A kind of billboard ecological environment-friendly type wood-plastic composite board, its preparation method is:
(1) sunflower stalk pretreatment
In ultrasonic water bath groove, 55 DEG C of water bath processing sunflower stalk 45min, the aqueous hydrogen peroxide solution that wherein water bath shampoo is 30%, bath raio is 15:1, takes out cotton stalk after washing dry, water content 10% is pulverized, and crosses 100 mesh sieves, obtains sunflower powder of straw, for subsequent use;
(2) batch mixing
1. hard formation premix preparation
Take by weight pretreatment sunflower powder of straw 25kg, SG-7 type PVC 50kg, reclaim section bar waste material 10kg, the active fine particle calcium carbonate 20kg of 1000 objects, wood powder 5kg, compound stabilizer 3kg, AC blowing agent 0.2kg, foaming control agent 5kg adds in high-speed mixer successively, startup mixing speed is 450r/min, at 95 DEG C, mix 4min, be adjusted to 1500r/min, at 95 DEG C, mix 7min, add again CPE135A 5kg, OA-60.32kg, interior lubricated 600.85kg, CP-1000.5kg, reinforcing agent JM-018kg, at 105 DEG C, under the condition of 2000r/min, mix 20min, at 120 DEG C, under the condition of 550r/min, mix 7min, be cooled to 50 DEG C, obtain hard formation premix,
2. soft formation premix preparation
Take by weight pretreatment sunflower powder of straw 25kg, SG-8 type PVC 50kg, reclaim wood and mould waste material 10kg, the active fine particle calcium carbonate 20kg of 1000 objects, wood powder 5kg, compound stabilizer 3.5kg, AC blowing agent 0.25kg, foaming control agent 6kg adds in high-speed mixer successively, startup mixing speed is 450r/min, at 95 DEG C, mix 4min, be adjusted to 1500r/min, at 95 DEG C, mix 7min, add again CPE135A 5kg, 18160.32kg, interior lubricated 600.85kg, PE wax 0.5kg, the Firebrake ZB 18kg of 0.1um, phosphite ester 0.8kg, at 105 DEG C, under the condition of 2000r/min, mix 20min, at 120 DEG C, under the condition of 550r/min, mix 7min, be cooled to 50 DEG C, obtain soft formation premix,
(3) coextrusion mold
Hard formation premix is dropped in the extruder hopper of main frame, soft formation premix drops in the extruder hopper as subsidiary engine, extrudes respectively, and the discharging opening of main and auxiliaries is connected to the charging aperture of mould by distributor, water cooling sizing, traction, cutting, make product.
The technological parameter condition of described coextrusion mold is as follows:
Hard formation: 1 150 DEG C of district's temperature, 2 165 DEG C of district's temperature, 3 175 DEG C of district's temperature, 4 180 DEG C of district's temperature, 175 DEG C of mold temperatures, 155 DEG C of die lips, engine speed 25rpm;
Soft formation: 1 150 DEG C of district's temperature, 2 160 DEG C of district's temperature, 3 180 DEG C of district's temperature, 4 180 DEG C of district's temperature, 170 DEG C of mold temperatures, 155 DEG C of die lips, engine speed 40rpm.
Described water-cooled cooling water temperature is 4 DEG C.
The finished product of the present embodiment, the thickness specification of hard formation is 2mm, and the thickness specification of soft formation is 1mm, and gross thickness is 4mm.
Embodiment 3
A kind of billboard ecological environment-friendly type wood-plastic composite board, its preparation method is:
(1) sunflower stalk pretreatment
In ultrasonic water bath groove, 55 DEG C of water bath processing sunflower stalk 1h, the aqueous hydrogen peroxide solution that wherein water bath shampoo is 30%, bath raio is 15:1, takes out cotton stalk after washing dry, water content 11% is pulverized, and crosses 100 mesh sieves, obtains sunflower powder of straw, for subsequent use;
(2) batch mixing
1. hard formation premix preparation
Take by weight pretreatment sunflower powder of straw 25kg, SG-7 type PVC 50kg, reclaim section bar waste material 12kg, the active fine particle calcium carbonate 25kg of 1000 objects, wood powder 5.5kg, compound stabilizer 3.5kg, AC blowing agent 0.2kg, foaming control agent 6kg adds in high-speed mixer successively, startup mixing speed is 500r/min, at 100 DEG C, mix 5min, be adjusted to 1500r/min, at 100 DEG C, mix 8min, add again CPE135A 6kg, OA-60.35kg, interior lubricated 600.9kg, CP-1000.6kg, reinforcing agent JM-019kg, at 110 DEG C, under the condition of 2000r/min, mix 20min, at 130 DEG C, under the condition of 600r/min, mix 8min, be cooled to 55 DEG C, obtain hard formation premix,
2. soft formation premix preparation
Take by weight pretreatment sunflower powder of straw 25kg, SG-8 type PVC 50kg, reclaim wood and mould waste material 12kg, the active fine particle calcium carbonate 25kg of 1000 objects, wood powder 6kg, compound stabilizer 4kg, AC blowing agent 0.3kg, foaming control agent 7kg adds in high-speed mixer successively, startup mixing speed is 500r/min, at 100 DEG C, mix 5min, be adjusted to 1500r/min, at 100 DEG C, mix 8min, add again CPE135A 6kg, 18160.35kg, interior lubricated 600.9kg, PE wax 0.6kg, the Firebrake ZB 20kg of 0.2um, phosphite ester 1kg, at 110 DEG C, under the condition of 2000r/min, mix 20min, at 130 DEG C, under the condition of 600r/min, mix 8min, be cooled to 55 DEG C, obtain soft formation premix,
(3) coextrusion mold
Hard formation premix is dropped in the extruder hopper of main frame, soft formation premix drops in the extruder hopper as subsidiary engine, extrudes respectively, and the discharging opening of main and auxiliaries is connected to the charging aperture of mould by distributor, water cooling sizing, traction, cutting, make product.
The technological parameter condition of described coextrusion mold is as follows:
Hard formation: 1 155 DEG C of district's temperature, 2 170 DEG C of district's temperature, 3 180 DEG C of district's temperature, 4 185 DEG C of district's temperature, 175 DEG C of mold temperatures, 155 DEG C of die lips, engine speed 30rpm;
Soft formation: 1 155 DEG C of district's temperature, 2 160 DEG C of district's temperature, 3 185 DEG C of district's temperature, 4 185 DEG C of district's temperature, 170 DEG C of mold temperatures, 155 DEG C of die lips, engine speed 45rpm.
Described water-cooled cooling water temperature is 4 DEG C.
The finished product of the present embodiment, the thickness specification of hard formation is 0.5mm, and the thickness specification of soft formation is 0.25mm, and gross thickness is 1mm.
The billboard ecological environment-friendly type wood-plastic composite board of embodiment 1-3 processing, its properties of sample testing result is as follows:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Thermal coefficient of expansion/K -1 | 0.65×10 -4 | 0.67×10 -4 | 0.66×10 -4 |
| Loss in weight on heating/% | 0.14 | 0.13 | 0.14 |
| Heated length variation/% | 0.17 | 0.14 | 0.16 |
| Water suction tensile strain rate/% | 0.06 | 0.04 | 0.06 |
| Abrasion loss/gcm -2 | 0.001 | 0.001 | 0.001 |
| MOR/MPa | 26.1 | 26.8 | 26.4 |
| Elastic modelling quantity/MPa | 1779 | 1854 | 1812 |
| Simple beam impact strength/KJm 2 | 13.5 | 15.1 | 14.6 |
| Nail-holding ability/N | 1572 | 1623 | 1591 |
| Anti-flammability | Fire-retardant | Fire-retardant | Fire-retardant |
| Knockout course | Easily | Easily | Easily |
| Release property | Automatic demoulding | Automatic demoulding | Automatic demoulding |
| Recuperability | 100% is recyclable | 100% is recyclable | 100% is recyclable |
| Can number of repetition | ≧20 | ≧20 | ≧20 |
Claims (5)
1. a billboard ecological environment-friendly type wood-plastic composite board, it is characterized in that: be three-layer composite structure, be made up of appearance soft formation and middle hard formation, hard formation is sandwiched between two-layer identical soft formation, hard formation thickness is 0.5-5mm, soft formation thickness 0.25-2.5mm;
The component of described hard formation, comprises the raw material of following weight portion: SG-7 type PVC 50-55 part, sunflower stalk 20-25 part, reclaim section bar waste material 8-12 part, AC blowing agent 0.1-0.2 part, foaming control agent 4-6 part, CPE135A 4-6 part, wood powder 4-5.5 part, active fine particle calcium carbonate 15-25 part, compound stabilizer 2.8-3.5 part, OA-60.3-0.35 part, interior lubricated 600.8-0.9 part, CP-1000.4-0.6 part, reinforcing agent JM-017-9 part;
The component of described soft formation, comprises the raw material of following weight portion: SG-8 type PVC 50-55 part, sunflower stalk 20-25 part, reclaim wood and mould waste material 8-12 part, AC blowing agent 0.2-0.3 part, foaming control agent 5-7 part, CPE135A 4-6 part, wood powder 4.5-6 part, active fine particle calcium carbonate 15-25 part, compound stabilizer 3-4 part, 18160.3-0.35 part, interior lubricated 600.8-0.9 part, PE wax 0.4-0.6 part, Firebrake ZB 15-20 part, phosphite ester 0.5-1 part.
2. a kind of billboard ecological environment-friendly type wood-plastic composite board as claimed in claim 1, is characterized in that: the wood powder granularity in described hard formation and soft formation is 100 orders; Active fine particle calcium carbonate granularity in described hard formation and soft formation is 800-1000 order; Firebrake ZB particle diameter in described soft formation is 1-2um.
3. a preparation method for ecological environment-friendly type wood-plastic composite board for billboard, is characterized in that: comprise following concrete steps:
(1) sunflower stalk pretreatment
In ultrasonic water bath groove, 50-55 DEG C of water bath processing sunflower stalk 0.5-1h, the aqueous hydrogen peroxide solution that wherein water bath shampoo is 30%, bath raio is 15:1, take out cotton stalk after washing dry, Han Shui Liang≤12%, pulverizes, cross 100 mesh sieves, obtain sunflower powder of straw, for subsequent use;
(2) batch mixing
1. hard formation premix preparation
Take by weight pretreatment sunflower powder of straw, SG-7 type PVC, reclaim section bar waste material, active fine particle calcium carbonate, wood powder, compound stabilizer, AC blowing agent, foaming control agent adds in high-speed mixer successively, startup mixing speed is 350-500r/min, at 90-100 DEG C, mix 3-5min, be adjusted to 1200-1500r/min, at 90-100 DEG C, mix 5-8min, add again CPE135A, OA-6, interior lubricated 60, CP-100, reinforcing agent JM-01, at 100-110 DEG C, under the condition of 1500-2000r/min, mix 15-20min, at 110-130 DEG C, under the condition of 500-600r/min, mix 5-8min, be cooled to 45-55 DEG C, obtain hard formation premix,
2. soft formation premix preparation
Take by weight pretreatment sunflower powder of straw, SG-8 type PVC, reclaim wood and mould waste material, active fine particle calcium carbonate, wood powder, compound stabilizer, AC blowing agent, foaming control agent adds in high-speed mixer successively, startup mixing speed is 350-500r/min, at 90-100 DEG C, mix 3-5min, be adjusted to 1200-1500r/min, at 90-100 DEG C, mix 5-8min, add again CPE135A, 1816, interior lubricated 60, PE wax, Firebrake ZB, phosphite ester, at 100-110 DEG C, under the condition of 1500-2000r/min, mix 15-20min, at 110-130 DEG C, under the condition of 500-600r/min, mix 5-8min, be cooled to 45-55 DEG C, obtain soft formation premix,
(3) coextrusion mold
Hard formation premix is dropped in the extruder hopper of main frame, soft formation premix drops in the extruder hopper as subsidiary engine, extrudes respectively, and the discharging opening of main and auxiliaries is connected to the charging aperture of mould by distributor, water cooling sizing, traction, cutting, make product.
4. the preparation method of ecological environment-friendly type wood-plastic composite board for a kind of billboard as claimed in claim 3, is characterized in that: the technological parameter condition of described coextrusion mold is as follows:
Hard formation: 1 district temperature 145-155 DEG C, 2 district temperature 160-170 DEG C, 3 district temperature 170-180 DEG C, 4 district temperature 175-185 DEG C, mold temperature 170-175 DEG C, die lip 150-155 DEG C, engine speed 20-30rpm;
Soft formation: 1 district temperature 145-155 DEG C, 2 district temperature 155-160 DEG C, 3 district temperature 175-185 DEG C, 4 district temperature 175-185 DEG C, mold temperature 165-170 DEG C, die lip 150-155 DEG C, engine speed 35-45rpm.
5. the preparation method of ecological environment-friendly type wood-plastic composite board for a kind of billboard as claimed in claim 3, is characterized in that: described water-cooled cooling water temperature is 4-10 DEG C.
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| CN201410399679.6A CN104191772B (en) | 2014-08-14 | 2014-08-14 | A kind of billboard ecological environment-friendly type wood-plastic composite board and preparation method thereof |
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| CN112908214A (en) * | 2021-02-03 | 2021-06-04 | 上海润林文化传播有限公司 | Advertising board |
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| CN104746844A (en) * | 2015-02-11 | 2015-07-01 | 滨州蓝之业新材料科技有限公司 | Co-extrusion polymer composite wear-resisting floor and preparation method thereof |
| CN104893156A (en) * | 2015-06-08 | 2015-09-09 | 山东汇丰木塑型材股份有限公司 | 6-17mm-thick polyvinyl chloride foamed poster board and preparation method thereof |
| CN106543756A (en) * | 2015-09-18 | 2017-03-29 | 丹阳市丹力展览用品有限公司 | The preparation method of the compound exhibition panel of wood moulding environmental protection |
| CN105415839B (en) * | 2015-11-25 | 2017-10-03 | 佛山市高明爱博广告装饰材料有限公司 | A kind of polyvinyl chloride co-extrusion wood-plastic board and preparation method thereof |
| CN105415839A (en) * | 2015-11-25 | 2016-03-23 | 佛山市高明爱博广告装饰材料有限公司 | Polyvinyl chloride co-extrusion wood-plastic plate and preparation method thereof |
| CN105860318A (en) * | 2015-12-22 | 2016-08-17 | 北京化工大学 | A co-extruded double-foaming polymer composite material floor and a processing method thereof |
| CN105860318B (en) * | 2015-12-22 | 2017-12-12 | 北京化工大学 | The double foaming macromolecular composite floors of co-extrusion and its processing method |
| CN107043549A (en) * | 2017-04-05 | 2017-08-15 | 江苏嘉景复合材料有限公司 | A kind of co-extruded plastic-wood section bar with high resilient surface |
| CN110434955A (en) * | 2019-09-06 | 2019-11-12 | 民勤县威瑞环保有限责任公司 | Utilize the method for straw and waste plastic processing wood-plastic composite panel |
| CN111113835A (en) * | 2019-12-30 | 2020-05-08 | 圣象新饰材(江苏)有限公司 | Production process of front co-extrusion wood-plastic skirting line |
| CN111732797A (en) * | 2020-06-18 | 2020-10-02 | 马鞍山金晟木塑板材有限公司 | Formula and production method of wood-plastic furniture board |
| CN112908214A (en) * | 2021-02-03 | 2021-06-04 | 上海润林文化传播有限公司 | Advertising board |
| CN114889270A (en) * | 2022-04-29 | 2022-08-12 | 浙江欧舍家居新材股份有限公司 | Wall panel and preparation method thereof |
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