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 for 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 in mass ratio 1: 1 composite forming of calcium stearate and sodium bicarbonate.
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 3: 2: 1 in mass ratio: 1 mixes use.
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 prepared from by the raw material 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 prepared from by the raw material 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 again;
(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 namely 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 more friendly 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 less, weight is lighter, cost is lower, install, safeguard convenient, simultaneously the toxic gases such as adsorbable chlorine, oxynitride, oxysulfide, formaldehyde improve indoor Air quality, provide a green, health, comfortable living environment 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, baseboard, withhold the 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 again;
(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 again 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 again;
(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 again;
(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 again;
(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 again;
(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 again;
(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.