CN102229729A - Wood plastic composite plate capable of adsorbing toxic gas, and preparation method thereof - Google Patents
Wood plastic composite plate capable of adsorbing toxic gas, and preparation method thereof Download PDFInfo
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- CN102229729A CN102229729A CN2011101194443A CN201110119444A CN102229729A CN 102229729 A CN102229729 A CN 102229729A CN 2011101194443 A CN2011101194443 A CN 2011101194443A CN 201110119444 A CN201110119444 A CN 201110119444A CN 102229729 A CN102229729 A CN 102229729A
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- wood
- plastic composite
- toxic gas
- modified
- composite board
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- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 54
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 54
- 239000002341 toxic gas Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002023 wood Substances 0.000 claims abstract description 51
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002245 particle Substances 0.000 claims abstract description 48
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 25
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 23
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 23
- 238000005187 foaming Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims description 49
- 238000010907 mechanical stirring Methods 0.000 claims description 26
- 239000006096 absorbing agent Substances 0.000 claims description 24
- 239000003381 stabilizer Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 15
- -1 γ-(methacryloxypropyl) propyl Chemical group 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000001291 vacuum drying Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010790 dilution Methods 0.000 claims description 9
- 239000012895 dilution Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 9
- 230000003179 granulation Effects 0.000 claims description 9
- 238000005453 pelletization Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000004135 Bone phosphate Substances 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims description 2
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical group [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims description 2
- UMKARVFXJJITLN-UHFFFAOYSA-N lead;phosphorous acid Chemical compound [Pb].OP(O)O UMKARVFXJJITLN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 235000013312 flour Nutrition 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 abstract 1
- 235000019399 azodicarbonamide Nutrition 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 1
- 239000010440 gypsum Substances 0.000 abstract 1
- 239000012760 heat stabilizer Substances 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000274582 Pycnanthus angolensis Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a wood plastic composite material, in particular to a wood plastic composite plate capable of adsorbing toxic gas, and a preparation method thereof. The wood plastic composite plate is characterized by: adopting silane coupling agent modified wood flour as a raw material, mixing polyvinyl chloride, nano-magnesium oxide, active carbon and a heat stabilizer through stirring to obtain modified plastic particles; uniformly stirring the modified plastic particles, the modified wood flour, azobisformamide, a composite foaming agent, acrylic acid, chlorinated polyethylene and a ultraviolet absorber, followed by extruding, foaming and forming to obtain the wood plastic composite plate. The preparation method for the wood plastic composite plate is convenient. Compared to a common plastic plate, a gypsum board, a aluminum buckle plate and other wood plastic materials, the wood plastic composite plate provided by the present invention has characteristics of low density, light weight, high impact strength, low cost and toxic gas adsorbing, and can be made into a plurality of products such as photo frame, picture frame, ground pin line and the like, and can be widely applicable for a plurality of situations such as auditoriums and hotels, homes, office buildings, and the like.
Description
Technical field
The present invention relates to a kind of wood plastic composite, particularly relate to wood-plastic composite board of a kind of adsorbable toxic gas and preparation method thereof.
Background technology
In recent years; enhancing along with people's environmental protection consciousness; raw material sources extensively, environmental friendliness, wood plastic composite renewable, that can be recycled more and more be subject to people's attention; Application Areas constantly enlarges, as automotive trim, composite pipe, railroad tie, compartment boxboard, cable protecting tube, well lid, car component, pallet, tr, bed board, Pu Liang, open-air tables and chairs, stool etc.Wood-plastic profiles can utilize general woodcraft to carry out manipulation, can cut with annular saw, and with nail or screw fixings, and nail-holding ability obviously is better than other synthetic materialss, and mechanical property is better than wood materials; Processibility with thermoplastics is extruded, technology such as injection moulding all can be used to moulding, and equipment attrition is little; Wood plastic composite can equally paint or painted processing as timber, or adds pigment to obtain shades of colour in prescription, obtains section bar after the processing and does not need painting; Goods can be pressed into the beginning of tongue and groove shape, solid pattern and other requirement, need not to carry out complicated secondary processing; In light weight, production energy consumption is little; Need not utilize toxic chemical substance to handle, not contain formaldehyde; The outward appearance that timber is arranged is than the high hardness of plastics; Wood-plastic material and products thereof is compared with timber, can anti-strong acid-base, water-fast, corrosion-resistant, and do not breed bacterium, be difficult for being damaged by worms, long fungi long service life; The discarded reusable and recycling in back, and can biological degradation, help plurality of advantages such as environmental protection.But also exist some obviously not enough, bigger than normal as density, price is more high, thereby its use range has been subjected to great limitation.So, traditional wood plastic composite is carried out modification, reduce its density, to reduce its cost just very necessary.
Summary of the invention
The objective of the invention is provides wood-plastic composite board of a kind of adsorbable toxic gas and preparation method thereof at above-mentioned weak point.
The objective of the invention is to be achieved through the following technical solutions:
Wood-plastic composite board of a kind of adsorbable toxic gas and preparation method thereof takes following scheme to realize:
Igelite particle 100, modified wood powder 30-40,
Nano magnesia 3-5, gac 1-2,
Cellmic C 121 0.4-0.8, compound blowing promotor 1.5-3.5,
Vinylformic acid 6-8, thermo-stabilizer 4-8,
Chlorinatedpolyethylene 2-4, UV light absorber 0.1-0.2,
The wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, wherein said modified wood powder is mixed with silane coupling agent by wood powder, and vacuum-drying is made; Described silane coupling agent adopts γ-(methacryloxypropyl) propyl trimethoxy silicane; Described wood powder particle diameter is the 80-120 order.
The wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, wherein said nano magnesia particle diameter 20-40nm.
The wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, wherein said activity charcoal powder particle diameter is 0.2-0.6mm.
The wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, wherein said compound blowing promotor are that calcium stearate and sodium bicarbonate are by 1: 1 composite forming of mass ratio.
The wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, wherein said thermo-stabilizer are lead sulfate tribasic, dibasic lead phosphite, lead stearate, barium stearate by mass ratio 3: 2: 1: 1 mixes and uses.
The wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, wherein said UV light absorber are a kind of among UV531 or the L770.
Preferably, a kind of wood-plastic composite board of adsorbable toxic gas is formed by the feedstock production that comprises following parts by weight:
Igelite particle 100, modified wood powder 32-38,
Nano magnesia 3.5-4.5, gac 1.2-1.8,
Cellmic C 121 0.5-0.7, compound blowing promotor 2-3,
Vinylformic acid 6.5-7.5, thermo-stabilizer 5-7,
Chlorinatedpolyethylene 2.5-3.5, UV light absorber 0.12-0.18,
More preferably, a kind of wood-plastic composite board of adsorbable toxic gas is formed by the feedstock production that comprises following parts by weight:
Igelite particle 100, modified wood powder 35,
Nano magnesia 4, gac 1.5,
Cellmic C 121 0.6, compound blowing promotor 2.5,
Vinylformic acid 7, thermo-stabilizer 6,
Chlorinatedpolyethylene 3, UV light absorber 0.15,
The preparation method of the wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, it may further comprise the steps:
(1) with silane coupling agent and water by weight 1: 1-5 mixes, and wherein water is solvent;
(2) with the silane coupling agent of wood powder and dilution by weight 100: 2-6 mixes, and under 40 ℃ of-80 ℃ of conditions, vacuum-drying 3-6 hour, makes modified wood powder;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 4-6 minute, extruding pelletization then, the granulation extrusion temperature is 160 ℃-180 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 3-5 minute once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.160 ℃-180 ℃ of extruder barrel temperature, 165 ℃-175 ℃ of die head temperatures.
The wood-plastic composite board of a kind of adsorbable toxic gas of the present invention, it is convenient to manufacture, and traditional plastic production technology need not to improve and promptly can be used for its production and processing, and mechanization degree is higher in the production process, and required labor force is less, and production cost is low.The wood-plastic composite board of adsorbable toxic gas is compared with common plastics sheet material, and density is lower, and used amount of plastic reduces, and is friendly more to environment, can carry out utilization of waste material to this industrial or agricultural scrap stock of wood powder simultaneously, reduces the products material cost; The wood-plastic composite board of adsorbable toxic gas is compared with other wood plastic composite, and density is lower, and weight is lighter, and shock strength is higher, and has the function of adsorbed gas; The wood-plastic composite board of adsorbable toxic gas is compared with other dalles such as plasterboard, aluminum-pinch, density is littler, weight is lighter, cost is lower, install, safeguard convenient, toxic gases such as adsorbable chlorine, oxynitride, oxysulfide, formaldehyde improve indoor Air quality simultaneously, provide a green, health, comfort living to the human consumer.The wood-plastic composite board of adsorbable toxic gas can be widely used in many occasions such as office building, auditoriums, hotels, telecommuting, can be made into photo frame, picture frame, payment to a porter, withhold goods such as plate.
Embodiment
Below adopt embodiment to specify wood-plastic composite board of a kind of adsorbable toxic gas of the present invention and preparation method thereof.
Embodiment 1
Igelite particle 100, modified wood powder (100 orders 35,
Nano magnesia (30nm) 4, gac (0.4mm) 1.5,
Cellmic C 121 0.6, compound blowing promotor 2.5,
Vinylformic acid 7, thermo-stabilizer 6,
Chlorinatedpolyethylene 3, UV light absorber (UV531) 0.15,
(1) silane coupling agent and water were mixed by weight 1: 3, wherein water is solvent;
(2) silane coupling agent with wood powder and dilution mixed by weight 100: 4, and under 60 ℃ of conditions, modified wood powder is made in vacuum-drying 4.5 hours;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 5 minutes, extruding pelletization then, the granulation extrusion temperature is 160 ℃-180 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 4 minutes once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.160 ℃-180 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures.
Embodiment 2
Igelite particle 100, modified wood powder (80 order) 30,
Nano magnesia (20nm) 3, gac (0.2mm) 1,
Cellmic C 121 0.4, compound blowing promotor 1.5,
Vinylformic acid 6, thermo-stabilizer 4,
Chlorinatedpolyethylene 2, UV light absorber (L770) 0.1,
(1) silane coupling agent and water were mixed by weight 1: 1, wherein water is solvent;
(2) silane coupling agent with wood powder and dilution mixed by weight 100: 2, and under 40 ℃ of conditions, modified wood powder is made in vacuum-drying 3 hours;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 4 minutes, extruding pelletization then, the granulation extrusion temperature is 160 ℃-175 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and once more machinery stirred 3 minutes;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.160 ℃-175 ℃ of extruder barrel temperature, 165 ℃ of die head temperatures.
Embodiment 3
Igelite particle 100, modified wood powder (120 order) 40,
Nano magnesia (40nm) 5, gac (0.6mm) 2,
Cellmic C 121 0.8, compound blowing promotor 3.5,
Vinylformic acid 8, thermo-stabilizer 8,
Chlorinatedpolyethylene 4, UV light absorber (UV531) 0.2,
(1) silane coupling agent and water were mixed by weight 1: 5, wherein water is solvent;
(2) silane coupling agent with wood powder and dilution mixed by weight 100: 6, and under 80 ℃ of conditions, modified wood powder is made in vacuum-drying 6 hours;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 6 minutes, extruding pelletization then, the granulation extrusion temperature is 165 ℃-180 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 5 minutes once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.170 ℃-180 ℃ of extruder barrel temperature, 175 ℃ of die head temperatures.
Embodiment 4
Igelite particle 100, modified wood powder (100 order) 32,
Nano magnesia (20nm) 4.5, gac (0.6mm) 1.2,
Cellmic C 121 0.7, compound blowing promotor 2,
Vinylformic acid 7.5, thermo-stabilizer 5,
Chlorinatedpolyethylene 3.5, UV light absorber (L770) 0.12,
(1) silane coupling agent and water were mixed by weight 1: 3, wherein water is solvent;
(2) silane coupling agent with wood powder and dilution mixed by weight 100: 3, and under 50 ℃ of conditions, modified wood powder is made in vacuum-drying 4 hours;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 5.5 minutes, extruding pelletization then, the granulation extrusion temperature is 165 ℃-170 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 3.5 minutes once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.160 ℃-170 ℃ of extruder barrel temperature, 165 ℃ of die head temperatures.
Embodiment 5
Igelite particle 100, modified wood powder (80 order) 38,
Nano magnesia (40nm) 3.5, gac (0.2mm) 1.8,
Cellmic C 121 0.5, compound blowing promotor 3,
Vinylformic acid 6.5, thermo-stabilizer 7,
Chlorinatedpolyethylene 2.5, UV light absorber (UV531) 0.18,
(1) silane coupling agent and water were mixed by weight 1: 3, wherein water is solvent;
(2) silane coupling agent with wood powder and dilution mixed by weight 100: 4, and under 80 ℃ of conditions, modified wood powder is made in vacuum-drying 6 hours;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 5 minutes, extruding pelletization then, the granulation extrusion temperature is 165 ℃-180 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 3 minutes once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.160 ℃-165 ℃ of extruder barrel temperature, 175 ℃ of die head temperatures.
Embodiment 6
Igelite particle 100, modified wood powder (120 order) 30,
Nano magnesia (20nm) 3.5, gac (0.6mm) 1.5,
Cellmic C 121 0.5, compound blowing promotor 1.5,
Vinylformic acid 6.5, thermo-stabilizer 6,
Chlorinatedpolyethylene 2.5, UV light absorber (UV531) 0.1,
(1) silane coupling agent and water were mixed by weight 1: 2, wherein water is solvent;
(2) silane coupling agent with wood powder and dilution mixed by weight 100: 4, and under 40 ℃ of conditions, modified wood powder is made in vacuum-drying 6 hours;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 6 minutes, extruding pelletization then, the granulation extrusion temperature is 165 ℃-175 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 3 minutes once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.165 ℃-175 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures.
Embodiment 7
Igelite particle 100, modified wood powder (100 order) 40,
Nano magnesia (25nm) 4.2, gac (0.3mm) 1.7,
Cellmic C 121 0.65, compound blowing promotor 2.7,
Vinylformic acid 6.4, thermo-stabilizer 7.5,
Chlorinatedpolyethylene 3, UV light absorber (L770) 0.18,
(1) silane coupling agent and water were mixed by weight 1: 4, wherein water is solvent;
(2) silane coupling agent with wood powder and dilution mixed by weight 100: 5, and under 70 ℃ of conditions, modified wood powder is made in vacuum-drying 5 hours;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 4.5 minutes, extruding pelletization then, the granulation extrusion temperature is 160 ℃-180 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 3 minutes once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.170 ℃-180 ℃ of extruder barrel temperature, 173 ℃ of die head temperatures.
Below by detecting the effect of the proof embodiment of the invention 1, its detected result is as follows:
Foaming wood-plastic composite board density: 1.17g/cm not
3, the wood-plastic composite board density of the adsorbable toxic gas of the present invention: 0.72g/cm
3, density has descended 38.46%;
Foaming wood-plastic composite board shock strength: 5.2kJ/m not
2, the wood-plastic composite board shock strength 9.0kJ/m of the adsorbable toxic gas of the present invention
2, shock strength has improved 73.08%.
The wood-plastic composite board of the adsorbable toxic gas of above presentation of results the present invention is compared with the normal wood plastic composite board has lower density and the shock strength of Geng Gao.
Claims (8)
1. the wood-plastic composite board of an adsorbable toxic gas is formed by the feedstock production that comprises following parts by weight:
Igelite particle 100, modified wood powder 30-40,
Nano magnesia 3-5, gac 1-2,
Cellmic C 121 0.4-0.8, compound blowing promotor 1.5-3.5,
Vinylformic acid 6-8, thermo-stabilizer 4-8,
Chlorinatedpolyethylene 2-4, UV light absorber 0.1-0.2,
Described modified wood powder is mixed with silane coupling agent by wood powder, and vacuum-drying is made; Described silane coupling agent adopts γ-(methacryloxypropyl) propyl trimethoxy silicane; Described wood powder particle diameter is the 80-120 order; Described thermo-stabilizer is lead sulfate tribasic, dibasic lead phosphite, lead stearate, barium stearate by mass ratio 3: 2: 1: 1 mixes and uses.
2. the wood-plastic composite board of a kind of adsorbable toxic gas according to claim 1 is formed by the feedstock production of following parts by weight:
Igelite particle 100, modified wood powder 32-38,
Nano magnesia 3.5-4.5, gac 1.2-1.8,
Cellmic C 121 0.5-0.7, compound blowing promotor 2-3,
Vinylformic acid 6.5-7.5, thermo-stabilizer 5-7,
Chlorinatedpolyethylene 2.5-3.5, UV light absorber 0.12-0.18.
3. the wood-plastic composite board of adsorbable toxic gas according to claim 2 is formed by the feedstock production of following parts by weight:
Igelite particle 100, modified wood powder 35,
Nano magnesia 4, gac 1.5,
Cellmic C 121 0.6, compound blowing promotor 2.5,
Vinylformic acid 7, thermo-stabilizer 6,
Chlorinatedpolyethylene 3, UV light absorber 0.15.
4. according to the wood-plastic composite board of the described a kind of adsorbable toxic gas of the arbitrary claim of claim 1-3, it is characterized in that described nano magnesia particle diameter 20-40nm.
5. according to the wood-plastic composite board of the described a kind of adsorbable toxic gas of the arbitrary claim of claim 1-3, it is characterized in that described activity charcoal powder particle diameter is 0.2-0.6mm.
6. according to the wood-plastic composite board of the described a kind of adsorbable toxic gas of the arbitrary claim of claim 1-3, it is characterized in that described compound blowing promotor is that calcium stearate and sodium bicarbonate are by 1: 1 composite forming of mass ratio.
7. according to the wood-plastic composite board of the described a kind of adsorbable toxic gas of the arbitrary claim of claim 1-3, it is characterized in that described UV light absorber is a kind of among UV531 or the L770.
8. according to the wood-plastic composite board of the described adsorbable toxic gas of the arbitrary claim of claim 1-3, it is characterized in that its preparation process is:
(1) with silane coupling agent and water by weight 1: 1-5 mixes, and wherein water is solvent;
(2) with the silane coupling agent of wood powder and dilution by weight 100: 2-6 mixes, and under 40 ℃ of-80 ℃ of conditions, vacuum-drying 3-6 hour, makes modified wood powder;
(3) take by weighing each raw material by formula ratio;
(4) igelite particle, nano magnesia, gac, thermo-stabilizer are placed in the mechanical stirring kettle and to stir 4-6 minute, extruding pelletization then, the granulation extrusion temperature is 160 ℃-180 ℃, obtains the modified plastics particle;
(5) above-mentioned modified plastics particle, modified wood powder, Cellmic C 121, composite foamable agent, vinylformic acid, chlorinatedpolyethylene, UV light absorber are placed in the mechanical stirring kettle and mechanical stirring 3-5 minute once more;
(6) behind the mixing, the employing forcing machine carries out melt blending and extrudes, through foaming mould foaming and cooling and shaping, the wood-plastic composite board of the adsorbable toxic gas of moulding.160 ℃-180 ℃ of extruder barrel temperature, 165 ℃-175 ℃ of die head temperatures.
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