CN109486084A - Three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof - Google Patents

Three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof Download PDF

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Publication number
CN109486084A
CN109486084A CN201810971079.0A CN201810971079A CN109486084A CN 109486084 A CN109486084 A CN 109486084A CN 201810971079 A CN201810971079 A CN 201810971079A CN 109486084 A CN109486084 A CN 109486084A
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layer
plastic composite
wood plastic
polyethylene
colored
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周华强
蔡培鑫
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Jiangsu Forest Wood Polytron Technologies Inc
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Jiangsu Forest Wood Polytron Technologies Inc
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Priority to CN201810971079.0A priority Critical patent/CN109486084A/en
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/04Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • B32B27/00Layered products comprising a layer of synthetic resin
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    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
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    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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    • C08L97/02Lignocellulosic material, e.g. wood, straw or bagasse
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
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    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/40Properties of the layers or laminate having particular optical properties
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    • B32B2307/4026Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/40Properties of the layers or laminate having particular optical properties
    • B32B2307/402Coloured
    • B32B2307/404Multi-coloured
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • B32B2307/714Inert, i.e. inert to chemical degradation, corrosion
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    • B32LAYERED PRODUCTS
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    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/714Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145Rot proof, resistant to bacteria, mildew, mould, fungi
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    • C08K3/20Oxides; Hydroxides
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  • Chemical & Material Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

Three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof is suitable for making various decorative floors, column, guardrail etc. what is involved is a kind of composite material, a kind of structural material and preparation method thereof.It is made of colored aging-resistant layer, Wood plastic composite bottom and therebetween colored middle layer.Aging-resistant layer, middle layer and bottom are respectively formed different melting streams, converge in a composite machine head through three layers of superposition, co-extrusion and obtain rectangular plate material, again through crimping by a rectangle mouth mold.The present invention has rational design, structure is simple, it is convenient to manufacture, waterproof and anticorrosion Anti-moth-eating, thermal and insulating performance are good, repeatable process uses, makes using waste plastic, save, environmental protection, and surface layer, middle layer and primary colour are different, with good visual effect, especially after cotton ginning forms rough surface, it can make product that colorful appearance be presented, it is decorative stronger.

Description

Three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof
Technical field
What is involved is one kind for a kind of three-layer co-extruded molding polychrome wood plastic composite board of the invention and preparation method thereof again Condensation material, a kind of structural material and preparation method thereof are suitable for making various decorative floors, column, guardrail etc..
Background technique
In recent years, with the enhancing of people's environmental protection consciousness, raw material sources are extensive, environmental-friendly, renewable, recyclable The plastic-wood material used is increasingly valued by people.It is with sawdust, sawdust, bamboo scraps, rice husk, wheat straw, soybean skin, peanut The low values biomass fibers such as shell, bagasse, cotton stalk are main material, a kind of new material synthesized with plastics.It has waterproof, Moisture-proof, insect prevention, termite-proof, color is numerous, plasticity is strong, high-environmental, pollution-free, nuisanceless, recyclable, high fire prevention Property, machinability is good, installation is simple, is not cracked, does not expand, the advantages that sound-absorbing effect is good, alternative timber or plastics are each Application in field, wherein with, such as outdoor floor, glass sunlight house, harbour guardrail, being filled in terms of building products For making column, moisture-proof wall in terms of exterior material, in urban construction and environmental planning, be applied to park, cell, street, Road, bridge, pavilion, fence, wooden footway etc., are followed by used for auto industry, such as interior decoration materials, seat backup plate, are to use again In packing articles such as pallet, packing cases, furthermore in fields such as transportation, upholstery, sporting equipments, plastic-wood material equally has It is widely applied.
But traditional plastic-wood material color is relatively simple, and own face can not have different colours, if necessary to not Same color then needs to carry out painting on surface processing, and painting process increases the production time of product entirety, and generation is largely waved Volatile material both pollutes environment, while harmful to operator's body.In addition, adhesion is poor between paint layer and the wooden substrate of modeling, It frequently can lead to paint layer through use after a period of time to fall off, influence beauty.
In order to overcome above-mentioned deficiency, preferably meet in the market to surface polychrome plastic-wood material there is an urgent need to inventions one The three-layer co-extruded molding polychrome wood plastic composite board of kind and preparation method thereof is very necessary.
Summary of the invention
It, should the purpose of the present invention is inventing three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof Wood plastic composite board except with general wood plastic composite board multipurpose, can be in addition to reprocessabilty handling characteristics, more There is surface polychrome, with more excellent decorative effect.
A kind of three-layer co-extruded molding polychrome wood plastic composite board and preparation method thereof takes following scheme to realize:
A kind of three-layer co-extruded molding polychrome wood plastic composite board is multiple by colored aging-resistant layer, colored middle layer and modeling wood Condensation material bottom is constituted, and colored middle layer is located between colored aging-resistant layer and Wood plastic composite bottom.
Colored aging-resistant layer by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent, Antioxidant and polyethylene wax are through squeezing out;Colored middle layer is by modified poly ethylene, haloflex, pigment, acrylic resin And polyethylene color master batch is through squeezing out;Wood plastic composite bottom is by polyethylene, wood powder, calcium powder, haloflex, stearic acid Calcium, titanium dioxide, grinds glass powder and polyethylene wax through squeezing out at dioctyl phthalate.
The described three-layer co-extruded molding polychrome wood plastic composite board of one kind be colored aging-resistant layer, colour middle layer and Wood plastic composite bottom is respectively formed different melting streams, converges in a composite machine head through three layers of superposition, co-extrusion simultaneously Rectangular plate material is obtained, again through crimping by a rectangle mouth mold.
The ultraviolet absorbing agent is one of UV-531 or UVP-327.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester, four [β-(3,5- One of di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol ester.
The modified poly ethylene is nano-titanium dioxide modified polyethylene, and nano-titanium dioxide 10~30nm of partial size receives Rice titanium dioxide quality is the 1% of polyethylene quality.
The pigment is that iron oxide yellow, iron oxide red, iron are one of green.
The polyethylene color master batch is yellow polyethylene color master batch, green polyethylene color master batch and red polyethylene color masterbatch One of grain.
The wood powder, partial size are 40~160 mesh.
The calcium powder is precipitated calcium carbonate powder, and partial size is 800 mesh.
The titanium dioxide, partial size are 1~5 μm.
Described grinds glass powder, and partial size is 3~7 μm.
Three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent, antioxidant and Polyethylene wax uses extruder extrusion molding colour aging-resistant layer by following parts by weight after mixing, and extrusion temperature 195~ 225 DEG C:
(2) modified poly ethylene, haloflex, pigment, acrylic resin and polyethylene color master batch are pressed into following parts by weight It counts and uses second extruder extrusion molding colour middle layer after mixing, 165~175 DEG C of extrusion temperature:
(3) by polyethylene, wood powder, calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium dioxide, mill Broken glass powder and polyethylene wax use third platform extruder extrusion molding wood-plastic composite by following parts by weight after mixing Material bottom, 165~185 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 180~210 DEG C of die temperature, it is respectively that colored aging-resistant layer, colored middle layer and modeling wood are multiple that molding, which obtains a upper, middle and lower, The rectangular plate material of condensation material bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Rationally, structure is simple, manufactures for a kind of three-layer co-extruded molding polychrome wood plastic composite board design of the invention It is convenient to be compared with other wood plastic composite boards, a kind of three-layer co-extruded molding polychrome wood plastic composite board not only waterproof Antiseptic insect-repelling moth, thermal and insulating performance are good, repeatable process uses, makes using waste plastic, save, environmental protection, Er Qiebiao Layer, middle layer and primary colour are different, have good visual effect, especially after cotton ginning forms rough surface, It can make product that colorful appearance be presented, it is decorative stronger.
Detailed description of the invention
Below with reference to attached drawing, the invention will be further described:
Fig. 1 is a kind of three-layer co-extruded molding polychrome wood plastic composite board structural schematic diagram.
1- colour aging-resistant layer, 2- colour middle layer, 3- Wood plastic composite bottom, 4-ASA resin, 5- bis- (methylol) Glycine closes copper (II), 6- methylene blue, 7- ultraviolet absorbing agent, 8- antioxidant, 9- polyethylene wax, 10- nano-titanium dioxide Modified poly ethylene, 11- haloflex, 12- pigment, 13- acrylic resin, 14- polyethylene color master batch, 15- polyethylene, 16- Wood powder, 17- calcium powder, 18- calcium stearate, 19- dioctyl phthalate, 20- titanium dioxide, 21- grind glass powder.
Specific embodiment
Referring to attached drawing 1, a kind of three-layer co-extruded molding polychrome wood plastic composite board is by colored ageing-resistant, and 1, among colour Layer 2 and Wood plastic composite bottom 3 are constituted, colored middle layer 2 be located at colored aging-resistant layer 1 and Wood plastic composite bottom 3 it Between.
Colored aging-resistant layer 1 is closed copper (II) 5, methylene blue 6, ultraviolet light by 4, two (methylol) glycine of ASA resin and is inhaled Agent 7, antioxidant 8 and polyethylene wax 9 are received through squeezing out;Colored middle layer 2 is by nano-titanium dioxide modified polyethylene 10, chlorination Polyethylene 11, pigment 12, acrylic resin 13 and polyethylene color master batch 14 are through squeezing out;Wood plastic composite bottom 3 is by gathering Ethylene 15, calcium powder 17, haloflex 11, calcium stearate 18, dioctyl phthalate 19, titanium dioxide 20, is ground wood powder 16 Glass powder 21 and polyethylene wax 9 are through squeezing out.
The three-layer co-extruded molding polychrome wood plastic composite board of one kind is colored aging-resistant layer 1, colored middle layer 2 And Wood plastic composite bottom 3 is respectively formed different melting streams, converges in a composite machine head through three layers of superposition, co-extrusion And rectangular plate material is obtained, again through crimping by a rectangle mouth mold.
The ultraviolet absorbing agent 7 is one of UV-531 or UVP-327.
The antioxidant 8 is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester, four [β-(3,5- One of di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol ester.
The nano-titanium dioxide modified polyethylene 10, nano-titanium dioxide 10~30nm of partial size, nano-titanium dioxide matter Amount is the 1% of polyethylene quality.
The pigment 12 is that iron oxide yellow, iron oxide red, iron are one of green.
The polyethylene color master batch 14 is yellow polyethylene color master batch, green polyethylene color master batch and red polyethylene color One of master batch.
The wood powder 16, partial size are 40~160 mesh.
The calcium powder 17 is precipitated calcium carbonate powder, and partial size is 800 mesh.
The titanium dioxide 20, partial size are 1~5 μm.
Described grinds glass powder 21, and partial size is 3~7 μm.
Embodiment 1: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UV-531), Antioxidant { β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester } and polyethylene wax are mixed by following parts by weight It closes and uniformly uses extruder extrusion molding colour aging-resistant layer afterwards, 210 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 20nm), haloflex, pigment (iron It is red), acrylic resin and polyethylene color master batch (green polyethylene color master batch) by following parts by weight use after mixing Two extruder extrusion molding colour middle layers, 170 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (100 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium White powder (3 μm), grind glass powder (5 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze Molding Wood plastic composite bottom out, 175 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 195 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 42.66MPa, bending strength 46.25MPa, under sunlight after exposure 1000h, tensile strength retention rate 90.2%, bending strength retention rate 87.12%.
Embodiment 2: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UVP-327), Antioxidant { four [β-(3,5- di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol esters } and polyethylene wax press following parts by weight After mixing use extruder extrusion molding colour aging-resistant layer, 195 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 10nm), haloflex, pigment (iron It is yellow), acrylic resin and polyethylene color master batch (yellow polyethylene color master batch) by following parts by weight use the after mixing Two extruder extrusion molding colour middle layers, 165 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (40 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium white Powder (1 μm), grind glass powder (3 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze out Molding Wood plastic composite bottom, 165 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 180 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 33.7MPa, bending strength 52.26MPa, under sunlight after exposure 1000h, tensile strength retention rate 87.5%, bending strength retention rate 89.6%.
Embodiment 3: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UVP-327), Antioxidant { four [β-(3,5- di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol esters } and polyethylene wax press following parts by weight After mixing use extruder extrusion molding colour aging-resistant layer, 225 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 30nm), haloflex, pigment (iron It is green), acrylic resin and polyethylene color master batch (red polyethylene color master batch) by following parts by weight use after mixing Two extruder extrusion molding colour middle layers, 175 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (160 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium White powder (5 μm), grind glass powder (7 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze Molding Wood plastic composite bottom out, 185 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 210 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 36.82MPa, bending strength 52.15MPa, under sunlight after exposure 1000h, tensile strength retention rate 92.5%, bending strength retention rate 88.7%.
Embodiment 4: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UV-531), Antioxidant { four [β-(3,5- di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol esters } and polyethylene wax press following parts by weight After mixing use extruder extrusion molding colour aging-resistant layer, 210 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 20nm), haloflex, pigment (iron It is yellow), acrylic resin and polyethylene color master batch (red polyethylene color master batch) by following parts by weight use the after mixing Two extruder extrusion molding colour middle layers, 170 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (160 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium White powder (3 μm), grind glass powder (3 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze Molding Wood plastic composite bottom out, 185 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 195 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 43.68MPa, bending strength 55.16MPa, under sunlight after exposure 1000h, tensile strength retention rate 91.9%, bending strength retention rate 90.1%.
Embodiment 5: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UVP-327), Antioxidant { β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester } and polyethylene wax are mixed by following parts by weight It closes and uniformly uses extruder extrusion molding colour aging-resistant layer afterwards, 195 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 10nm), haloflex, pigment (iron It is green), acrylic resin and polyethylene color master batch (green polyethylene color master batch) by following parts by weight use after mixing Two extruder extrusion molding colour middle layers, 165 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (100 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium White powder (1 μm), grind glass powder (7 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze Molding Wood plastic composite bottom out, 175 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 195 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 41.34MPa, bending strength 56.28MPa, under sunlight after exposure 1000h, tensile strength retention rate 88.13%, bending strength retention rate 93.85%.
Embodiment 6: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UV-531), Antioxidant { β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester } and polyethylene wax are mixed by following parts by weight It closes and uniformly uses extruder extrusion molding colour aging-resistant layer afterwards, 225 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 20nm), haloflex, pigment (iron It is yellow), acrylic resin and polyethylene color master batch (red polyethylene color master batch) by following parts by weight use the after mixing Two extruder extrusion molding colour middle layers, 170 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (160 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium White powder (3 μm), grind glass powder (3 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze Molding Wood plastic composite bottom out, 165 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 180 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 36.92MPa, bending strength 46.36MPa, under sunlight after exposure 1000h, tensile strength retention rate 92.88%, bending strength retention rate 90.12%.
Embodiment 7: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UVP-327), Antioxidant { β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester } and polyethylene wax are mixed by following parts by weight It closes and uniformly uses extruder extrusion molding colour aging-resistant layer afterwards, 210 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 30nm), haloflex, pigment (iron It is red), acrylic resin and polyethylene color master batch (yellow polyethylene color master batch) by following parts by weight use after mixing Two extruder extrusion molding colour middle layers, 175 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (40 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium white Powder (5 μm), grind glass powder (5 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze out Molding Wood plastic composite bottom, 165 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 195 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 42.36MPa, bending strength 60.11MPa, under sunlight after exposure 1000h, tensile strength retention rate 85.2%, bending strength retention rate 94.98%.
Embodiment 8: three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof, preparation process Are as follows:
(1) by ASA resin, two (methylol) glycine close copper (II), methylene blue, ultraviolet absorbing agent (UV-531), Antioxidant { four [β-(3,5- di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol esters } and polyethylene wax press following parts by weight After mixing use extruder extrusion molding colour aging-resistant layer, 200 DEG C of extrusion temperature:
(2) by nano-titanium dioxide modified polyethylene (nano-titanium dioxide partial size 15nm), haloflex, pigment (iron It is red), acrylic resin and polyethylene color master batch (green polyethylene color master batch) by following parts by weight use after mixing Two extruder extrusion molding colour middle layers, 172 DEG C of extrusion temperature:
(3) by polyethylene, wood powder (120 mesh), calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium White powder (4 μm), grind glass powder (4 μm) and polyethylene wax by following parts by weight use after mixing third platform extruder squeeze Molding Wood plastic composite bottom out, 170 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangle Mouth mold, 188 DEG C of die temperature, it is respectively colored aging-resistant layer, colored middle layer and wood-plastic composite that molding, which obtains a upper, middle and lower, Expect the rectangular plate material of bottom;
(5) three-layer co-extruded molding polychrome wood-plastic composite flitch is made by above-mentioned rectangular plate material cooling and shaping and after crimping Material.
Through detecting, above-mentioned three-layer co-extruded molding polychrome wood plastic composite board tensile strength 46.98MPa, bending strength 58.69MPa, under sunlight after exposure 1000h, tensile strength retention rate 90.2%, bending strength retention rate 93.4%.

Claims (10)

1. a kind of three-layer co-extruded molding polychrome wood plastic composite board, it is characterised in that intermediate by colored aging-resistant layer, colour Layer and Wood plastic composite bottom are constituted, and colored middle layer is located between colored aging-resistant layer and Wood plastic composite bottom;It is color Color aging-resistant layer is closed copper (II), methylene blue, ultraviolet absorbing agent, antioxidant by ASA resin, two (methylol) glycine and is gathered Ethylene waxes are through squeezing out;Colored middle layer is by modified poly ethylene, haloflex, pigment, acrylic resin and polyethylene color Master batch is through squeezing out;Wood plastic composite bottom is by polyethylene, wood powder, calcium powder, haloflex, calcium stearate, adjacent benzene two Formic acid dioctyl ester, titanium dioxide grind glass powder and polyethylene wax through squeezing out.
2. the three-layer co-extruded molding polychrome wood plastic composite board of one kind according to claim 1, it is characterised in that by coloured silk Color aging-resistant layer, colored middle layer and Wood plastic composite bottom are respectively formed different melting streams, in a composite machine head Inside converge through three layers of superposition, co-extrusion and obtains rectangular plate material, again through crimping by a rectangle mouth mold.
3. according to claim 1, the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, it is characterised in that institute Stating ultraviolet absorbing agent is one of UV-531 or UVP-327.
4. according to claim 1, the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, it is characterised in that institute The antioxidant stated is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester, four [β-(3,5- di-t-butyl 4- One of hydroxy phenyl) propionic acid] pentaerythritol ester.
5. according to claim 1, the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, it is characterised in that institute The modified poly ethylene stated is nano-titanium dioxide modified polyethylene, nano-titanium dioxide 10~30nm of partial size, nano-titanium dioxide Quality is the 1% of polyethylene quality.
6. according to claim 1, the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, it is characterised in that institute The pigment stated is that iron oxide yellow, iron oxide red, iron are one of green.
7. according to claim 1, the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, it is characterised in that institute The polyethylene color master batch stated is one in yellow polyethylene color master batch, green polyethylene color master batch and red polyethylene color master batch Kind.
8. according to claim 1, the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, it is characterised in that institute The wood powder stated, partial size are 40~160 mesh;The calcium powder is precipitated calcium carbonate powder, and partial size is 800 mesh.
9. according to claim 1, the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, it is characterised in that institute The titanium dioxide stated, partial size are 1~5 μm;Described grinds glass powder, and partial size is 3~7 μm.
10. the according to claim 1, preparation method of the three-layer co-extruded molding polychrome wood plastic composite board of one kind described in 2, It is characterized in that its preparation process are as follows:
(1) ASA resin, two (methylol) glycine are closed into copper (II), methylene blue, ultraviolet absorbing agent, antioxidant and poly- second Alkene wax uses extruder extrusion molding colour aging-resistant layer, extrusion temperature 195~225 by following parts by weight after mixing DEG C:
(2) modified poly ethylene, haloflex, pigment, acrylic resin and polyethylene color master batch are mixed by following parts by weight It closes and uniformly uses second extruder extrusion molding colour middle layer afterwards, 165~175 DEG C of extrusion temperature:
(3) by polyethylene, wood powder, calcium powder, haloflex, calcium stearate, dioctyl phthalate, titanium dioxide, grind glass Fine powder and polyethylene wax use third platform extruder extrusion molding Wood plastic composite bottom by following parts by weight after mixing Layer, 165~185 DEG C of extrusion temperature:
(4) colored aging-resistant layer, colored middle layer, Wood plastic composite bottom are superimposed while hot and co-extrusion passes through a rectangular opening Mould, 180~210 DEG C of die temperature, it is respectively that colored aging-resistant layer, colored middle layer and modeling wood are compound that molding, which obtains a upper, middle and lower, The rectangular plate material of material bottom layer;
(5) three-layer co-extruded molding polychrome wood plastic composite board is made by above-mentioned rectangular plate material cooling and shaping and after crimping.
CN201810971079.0A 2018-08-15 2018-08-15 Three-layer co-extruded molding polychrome wood plastic composite board of one kind and preparation method thereof Pending CN109486084A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110564173A (en) * 2019-10-11 2019-12-13 安徽国风木塑科技有限公司 colorful wood-plastic profile and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN101837669A (en) * 2009-03-02 2010-09-22 王广武 ASA or PMMA or PVDF surface material and wood-plastic core layer material coextrusion section bar
CN102731951A (en) * 2012-07-18 2012-10-17 南京林业大学 Co-extrusion formed wood-plastic composite plate and preparation method thereof
CN104130589A (en) * 2014-07-24 2014-11-05 武夷山市美华实业有限公司 Wood-plastic floorboard and manufacturing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101837669A (en) * 2009-03-02 2010-09-22 王广武 ASA or PMMA or PVDF surface material and wood-plastic core layer material coextrusion section bar
CN102731951A (en) * 2012-07-18 2012-10-17 南京林业大学 Co-extrusion formed wood-plastic composite plate and preparation method thereof
CN104130589A (en) * 2014-07-24 2014-11-05 武夷山市美华实业有限公司 Wood-plastic floorboard and manufacturing method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110564173A (en) * 2019-10-11 2019-12-13 安徽国风木塑科技有限公司 colorful wood-plastic profile and preparation method thereof

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