CN104356673B - A kind of high-strength micropore wood plastic composite board and preparation method thereof - Google Patents
A kind of high-strength micropore wood plastic composite board and preparation method thereof Download PDFInfo
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- CN104356673B CN104356673B CN201410629522.8A CN201410629522A CN104356673B CN 104356673 B CN104356673 B CN 104356673B CN 201410629522 A CN201410629522 A CN 201410629522A CN 104356673 B CN104356673 B CN 104356673B
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Abstract
The invention discloses a kind of high-strength micropore wood plastic composite board and preparation method thereof, this sheet material is prepared from by Benzylation threadiness wood powder, igelite particle, p-toluene sulfonylsemicarbazide, N, N-dinitrosopentamethylene tetramine, activated calcium carbonate powder, calcium stearate, lead sulfate tribasic, carbamide, salicylic acid, dibutyl phthalate and antioxidant；First with pulp-making method, wood powder is made threadiness wood powder, prepare Benzylation threadiness wood powder with benzyl chloride is modified；Polyoxyethylene octadecanol sodium acetate modified calcium carbonate is utilized to prepare activated calcium carbonate；Then substep expressing technique extrusion molding sheet material is adopted.The panel density of the present invention is low, lightweight, and rigidity is big, creep resistant, heat insulation, soundproof effect good, transport, easy for installation；It is convenient to manufacture, and environmental friendliness is widely used as building, traffic, the ceiling board in fitting-up field, screen, dado, skirting, television background wall, door-plate, rack etc..
Description
Technical field
The present invention relates to Wood plastic composite technical field, specifically a kind of high-strength micropore wood plastic composite board and preparation method thereof.
Background technology
In recent years, a kind of by wood powder, the plant fiber powders such as rice husk meal are primary base material, with polyethylene, polypropylene, polystyrene, the thermoplastics such as polrvinyl chloride and lubricant, plasticizer, the auxiliary agents such as antioxidant, the green material heating extrusion molding then through die apparatus after mix homogeneously and make, namely Wood plastic composite is increasingly subject to people's attention, it can be fabricated to automobile inner decorative piece, building template, the outdoor tables and chairs that the occasions such as garden courtyard use, garden handrail and decorative panel, open floor, wastebin, railroad sleeper, the claustra plate that building trade uses, window and door-plate, concrete cement form etc..Wood plastic composite has many advantages, as: intensity is good, hardness is high, anti-skidding, wear-resisting, water absorption is little, antistatic and ultraviolet, insulation, heat insulation, fire-retardant, chemical composition without noxious substance and danger, formaldehydeless, the harmful substance releases such as benzene, do not result in air pollution and environmental pollution, energy 100% recycling also processes use again, there is natural look and the texture of timber, size is more stable than timber, knot without timber, will not crack, warpage, deformation, product can be made into multiple color, also can not fade by long Jupocin without secondary leaching paint in surface, can saw, can dig, can follow closely, can bond fixing, construction and installation are efficient and convenient, by routine work mode, various facility and goods etc. can be processed into.But relative to matrix plastic, the mechanical property such as its toughness, impact strength and bending strength still can decrease, and as wood substitutes, its density is excessive, and application is restricted.
Summary of the invention
It is an object of the invention to for above-mentioned deficiency of the prior art, it is provided that a kind of high-strength micropore wood plastic composite board and preparation method thereof.
The fretting map Wood plastic composite being incorporated in Wood plastic composite by very little abscess by gas core to be formed is except the advantage possessing above-mentioned Wood plastic composite, crack tip can be passivated because material internal exists good foam structure, stop the extension of crackle, thus can, ductility big efficiently against general Wood plastic composite fragility and the low shortcoming of shock resistance, and reduce the density of material, not only conservation, and sound insulation, heat-proof quality are also better, thus the problem that the non-Foaming Plastics-wood Composites performance of tradition is not enough can be made up.
It is an object of the invention to be achieved through the following technical solutions:
A kind of high-strength micropore wood plastic composite board, is prepared from by the raw material of following parts by weight:
Benzylation threadiness wood powder 60
Igelite particle 40-60
P-toluene sulfonylsemicarbazide 0.4-0.6
N, N-dinitrosopentamethylene tetramine 0.8-1.2
Activated calcium carbonate powder 10-20
Calcium stearate 0.3-0.7
Lead sulfate tribasic 5-7
Carbamide 1-2
Salicylic acid 2-4
Dibutyl phthalate 4-6
Antioxidant 0.3-0.5.
Above-mentioned Benzylation threadiness wood powder, is that wood powder slurrying, solvent soaking and separation obtain threadiness wood powder, modifiies the modified fibre shape wood powder obtained again through benzyl chloride, and its specific surface area is 110-150m2/g。
Above-mentioned activated calcium carbonate powder is the Paris white utilizing polyoxyethylene octadecanol sodium acetate modified active, and particle diameter is 200-325 order.
Above-mentioned antioxidant is the one in β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propanoic acid, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester.
High-strength micropore wood plastic composite board in preferred version, is prepared from by the raw material including following parts by weight:
Benzylation threadiness wood powder 60
Igelite particle 45-55
P-toluene sulfonylsemicarbazide 0.45-0.55
N, N-dinitrosopentamethylene tetramine 0.9-1.1
Activated calcium carbonate powder 12-18
Calcium stearate 0.4-0.6
Lead sulfate tribasic 5.5-6.5
Carbamide 1.2-1.8
Salicylic acid 2.5-3.5
Dibutyl phthalate 4.5-5.5
Antioxidant 0.35-0.45.
Preferred high-strength micropore wood plastic composite board, is prepared from by the raw material including following parts by weight:
Benzylation threadiness wood powder 60
Igelite particle 50
P-toluene sulfonylsemicarbazide 0.5
N, N-dinitrosopentamethylene tetramine 1
Activated calcium carbonate powder 15
Calcium stearate 0.5
Lead sulfate tribasic 6
Carbamide 1.5
Salicylic acid 3
Dibutyl phthalate 5
Antioxidant 0.4.
The preparation method of the high-strength micropore wood plastic composite board of the present invention, specifically includes following steps:
(1), weigh a certain amount of wood powder, after 100-110 DEG C of decatize 10-20min, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is 1:(15-25) weigh wood powder fiber pulp and dehydrated alcohol, stirring 2-4h so that it is mix homogeneously, then filters, dries；The acetone soak adopting 10 weight portions dries the crude fibre shape wood powder obtained, and after stirring 2-4h, adopts the chloroform of 10 weight portions to soak, stirs 2-4h, again filters, dry obtains fibrous wood powder.
(2) by weight 1:(5-9) weigh threadiness wood powder and sodium hydroxide solution that concentration is (5-15) %, insert in reactor, it is simultaneously introduced the benzyl chloride of 5-10 weight portion and the toluene of 5-10 weight portion, stirs, be warming up to 100-120 DEG C, after reaction 3-5h, filter, remove filtrate, after modified fibre shape wood powder being carried out washing 3-5 time with ether, dry, obtain Benzylation threadiness wood powder.
(3), by Paris white with water according to weight ratio (10-20): 100 mix homogeneously after, it is warming up to 60-80 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.1-0.5 weight portion while stirring, after reaction 30-60min, filter, after vacuum drying 4-8h, being ground at 60-80 DEG C by filter cake, screening obtains activated calcium carbonate powder.
(4), each raw material is weighed by formula ratio.
(5), by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 10-20min, extruding pelletization, extruder barrel temperature 160-175 DEG C, die head temperature 155-175 DEG C, obtain modified plastics particle.
(6), above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle and mechanical agitation 5-15min again.
(7), mixing after, adopt extruder carry out melt blending extrusion molding, extruder barrel temperature 165-175 DEG C, die head temperature 170-180 DEG C, obtain high-strength micropore wood plastic composite board.
The present invention has beneficial effect highlighted below:
The high-strength micropore wood plastic composite board of the present invention is compared with common plastics sheet material, and amount of plastic used reduces, and environment is more friendly, modulus is higher, and rigidity is bigger, more resistant to creep, this industrial or agricultural leftover pieces of wood powder can be carried out twice laid simultaneously, reduce products material cost；The high-strength micropore wood plastic composite board of the present invention is compared with other Wood plastic composite, and the method owing to have employed chemical blowing prepares sheet material, and the panel density therefore prepared is little, lightweight, but rigidity is big, and intensity is high, creep resistant, heat insulation, soundproof effect good, cost of transportation is low, easy for installation.It is widely used as building, traffic, the ceiling board in fitting-up field, screen, dado, skirting, television background wall, door-plate, rack etc..The preparation method of the high-strength micropore wood plastic composite board of the present invention, it is convenient to manufacture, and namely traditional wood-plastic composite material manufacturing technique can be used for its production and processing without improving, and in production process, mechanization degree is higher, and required labour force is less, and production cost is low.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
A kind of high-strength micropore wood plastic composite board, concrete preparation process is as follows:
(1), weigh a certain amount of wood powder, after 105 DEG C of decatize 15min, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is that 1:20 weighs wood powder fiber pulp and dehydrated alcohol, stirs 3h so that it is mix homogeneously, then filters, dries.The acetone soak adopting 10 weight portions dries the crude fibre shape wood powder obtained, and after stirring 3h, adopts the chloroform of 10 weight portions to soak, stirs 3h, again filters, dry obtains fibrous wood powder.
(2) weigh threadiness wood powder by weight 1:7 and concentration is the sodium hydroxide solution of 10%, insert in reactor, it is simultaneously introduced the benzyl chloride of 7.5 weight portions and the toluene of 7.5 weight portions, stirs, be warming up to 110 DEG C, after reaction 4h, filter, remove filtrate, after modified fibre shape wood powder being carried out washing 4 times with ether, dry, obtain Benzylation threadiness wood powder.
(3), Paris white is mixed homogeneously according to weight ratio 15:100 with water after, be warming up to 70 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.3 weight portion while stirring, after reaction 45min, filter, by filter cake at 70 DEG C after vacuum drying 6h, grinding, screening obtains activated calcium carbonate powder.
(4), each raw material is weighed by formula ratio:
(specific surface area is 130m to Benzylation threadiness wood powder2/ g) 60kg
Igelite particle 50kg
P-toluene sulfonylsemicarbazide 0.5kg
N, N-dinitrosopentamethylene tetramine 1kg
Activated calcium carbonate powder (270 order) 15kg
Calcium stearate 0.5kg
Lead sulfate tribasic 6kg
Carbamide 1.5kg
Salicylic acid 3kg
Dibutyl phthalate 5kg
β-positive octadecanol ester 0.4kg of (3,5-di-tert-butyl-hydroxy phenyl) propanoic acid.
(5), by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 15min, extruding pelletization, extruder barrel temperature 160-165 DEG C, die head temperature 165 DEG C, obtain modified plastics particle.
(6), above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle and mechanical agitation 10min again.
(7), after mixing, adopt extruder to carry out a kind of high-strength micropore wood plastic composite board of melt blending extrusion molding, extruder barrel temperature 165-170 DEG C, die head temperature 175 DEG C, obtain high-strength micropore wood plastic composite board.
Embodiment 2
A kind of high-strength micropore wood plastic composite board, concrete preparation process is as follows:
(1), weigh a certain amount of wood powder, after 100 DEG C of decatize 20min, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is that 1:15 weighs wood powder fiber pulp and dehydrated alcohol, stirs 4h so that it is mix homogeneously, then filters, dries.The acetone soak adopting 10 weight portions dries the crude fibre shape wood powder obtained, and after stirring 2h, adopts the chloroform of 10 weight portions to soak, stirs 4h, again filters, dry obtains fibrous wood powder.
(2) weigh threadiness wood powder by weight 1:5 and concentration is the sodium hydroxide solution of 15%, insert in reactor, it is simultaneously introduced the benzyl chloride of 5 weight portions and the toluene of 10 weight portions, stirs, be warming up to 100 DEG C, after reaction 5h, filter, remove filtrate, after modified fibre shape wood powder being carried out washing 3 times with ether, dry, obtain Benzylation threadiness wood powder.
(3), Paris white is mixed homogeneously according to weight ratio 20:100 with water after, be warming up to 60 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.5 weight portion while stirring, after reaction 30min, filter, by filter cake at 80 DEG C after vacuum drying 4h, grinding, screening obtains activated calcium carbonate powder.
(4), each raw material is weighed by formula ratio:
(specific surface area is 110m to Benzylation threadiness wood powder2/ g) 60kg
Igelite particle 45kg
P-toluene sulfonylsemicarbazide 0.45kg
N, N-dinitrosopentamethylene tetramine 0.9kg
Activated calcium carbonate powder (325 order) 12kg
Calcium stearate 0.4kg
Lead sulfate tribasic 5.5kg
Carbamide 1.2kg
Salicylic acid 2.5kg
Dibutyl phthalate 4.5kg
β-positive octadecanol ester 0.35kg of (3,5-di-tert-butyl-hydroxy phenyl) propanoic acid.
(5), by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 20min, extruding pelletization, extruder barrel temperature 160-175 DEG C, die head temperature 175 DEG C, obtain modified plastics particle.
(6), above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle and mechanical agitation 5min again.
(7), after mixing, adopt extruder to carry out a kind of high-strength micropore wood plastic composite board of melt blending extrusion molding, extruder barrel temperature 170-175 DEG C, die head temperature 170 DEG C, obtain high-strength micropore wood plastic composite board.
Embodiment 3
A kind of high-strength micropore wood plastic composite board, concrete preparation process is as follows:
(1), weigh a certain amount of wood powder, after 110 DEG C of decatize 10min, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is that 1:25 weighs wood powder fiber pulp and dehydrated alcohol, stirs 2h so that it is mix homogeneously, then filters, dries.The acetone soak adopting 10 weight portions dries the crude fibre shape wood powder obtained, and after stirring 4h, adopts the chloroform of 10 weight portions to soak, stirs 2h, again filters, dry obtains fibrous wood powder.
(2) weigh threadiness wood powder by weight 1:9 and concentration is the sodium hydroxide solution of 5%, insert in reactor, it is simultaneously introduced the benzyl chloride of 10 weight portions and the toluene of 5 weight portions, stirs, be warming up to 120 DEG C, after reaction 3h, filter, remove filtrate, after modified fibre shape wood powder being carried out washing 5 times with ether, dry, obtain Benzylation threadiness wood powder.
(3), Paris white is mixed homogeneously according to weight ratio 10:100 with water after, be warming up to 80 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.1 weight portion while stirring, after reaction 60min, filter, by filter cake at 60 DEG C after vacuum drying 8h, grinding, screening obtains activated calcium carbonate powder.
(4), each raw material is weighed by formula ratio:
(specific surface area is 150m to Benzylation threadiness wood powder2/ g) 60kg
Igelite particle 55kg
P-toluene sulfonylsemicarbazide 0.55kg
N, N-dinitrosopentamethylene tetramine 1.1kg
Activated calcium carbonate powder (200 order) 18kg
Calcium stearate 0.6kg
Lead sulfate tribasic 6.5kg
Carbamide 1.8kg
Salicylic acid 3.5kg
Dibutyl phthalate 5.5kg
Four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester 0.45kg.
(5), by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 10min, extruding pelletization, extruder barrel temperature 170-175 DEG C, die head temperature 155 DEG C, obtain modified plastics particle.
(6), above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle and mechanical agitation 15min again.
(7), after mixing, adopt extruder to carry out a kind of high-strength micropore wood plastic composite board of melt blending extrusion molding, extruder barrel temperature 165-168 DEG C, die head temperature 180 DEG C, obtain high-strength micropore wood plastic composite board.
Embodiment 4
A kind of high-strength micropore wood plastic composite board, concrete preparation process is as follows:
(1), weigh a certain amount of wood powder, after 100 DEG C of decatize 10min, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is that 1:15 weighs wood powder fiber pulp and dehydrated alcohol, stirs 2h so that it is mix homogeneously, then filters, dries.The acetone soak adopting 10 weight portions dries the crude fibre shape wood powder obtained, and after stirring 2h, adopts the chloroform of 10 weight portions to soak, stirs 2h, again filters, dry obtains fibrous wood powder.
(2) weigh threadiness wood powder by weight 1:5 and concentration is the sodium hydroxide solution of 5%, insert in reactor, it is simultaneously introduced the benzyl chloride of 5 weight portions and the toluene of 5 weight portions, stirs, be warming up to 100 DEG C, after reaction 3h, filter, remove filtrate, after modified fibre shape wood powder being carried out washing 3 times with ether, dry, obtain Benzylation threadiness wood powder.
(3), Paris white is mixed homogeneously according to weight ratio 10:100 with water after, be warming up to 60 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.1 weight portion while stirring, after reaction 30min, filter, by filter cake at 60 DEG C after vacuum drying 4h, grinding, screening obtains activated calcium carbonate powder.
(4), each raw material is weighed by formula ratio:
(specific surface area is 110m to Benzylation threadiness wood powder2/ g) 60kg
Igelite particle 40kg
P-toluene sulfonylsemicarbazide 0.4kg
N, N-dinitrosopentamethylene tetramine 0.8kg
Activated calcium carbonate powder (200 order) 10kg
Calcium stearate 0.3kg
Lead sulfate tribasic 5kg
Carbamide 1kg
Salicylic acid 2kg
Dibutyl phthalate 4kg
β-positive octadecanol ester 0.3kg of (3,5-di-tert-butyl-hydroxy phenyl) propanoic acid.
(5), by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 10min, extruding pelletization, extruder barrel temperature 160-165 DEG C, die head temperature 155 DEG C, obtain modified plastics particle.
(6), above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle and mechanical agitation 5min again.
(7), after mixing, adopt extruder to carry out a kind of high-strength micropore wood plastic composite board of melt blending extrusion molding, extruder barrel temperature 165-170 DEG C, die head temperature 170 DEG C, obtain high-strength micropore wood plastic composite board.
Embodiment 5
A kind of high-strength micropore wood plastic composite board, concrete preparation process is as follows:
(1), weigh a certain amount of wood powder, after 110 DEG C of decatize 20min, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is that 1:25 weighs wood powder fiber pulp and dehydrated alcohol, stirs 4h so that it is mix homogeneously, then filters, dries.The acetone soak adopting 10 weight portions dries the crude fibre shape wood powder obtained, and after stirring 4h, adopts the chloroform of 10 weight portions to soak, stirs 4h, again filters, dry obtains fibrous wood powder.
(2) weigh threadiness wood powder by weight 1:9 and concentration is the sodium hydroxide solution of 15%, insert in reactor, it is simultaneously introduced the benzyl chloride of 10 weight portions and the toluene of 10 weight portions, stirs, be warming up to 120 DEG C, after reaction 5h, filter, remove filtrate, after modified fibre shape wood powder being carried out washing 5 times with ether, dry, obtain Benzylation threadiness wood powder.
(3), Paris white is mixed homogeneously according to weight ratio 20:100 with water after, be warming up to 80 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.5 weight portion while stirring, after reaction 60min, filter, by filter cake at 80 DEG C after vacuum drying 8h, grinding, screening obtains activated calcium carbonate powder.
(4), each raw material is weighed by formula ratio:
(specific surface area is 150m to Benzylation threadiness wood powder2/ g) 60kg
Igelite particle 60kg
P-toluene sulfonylsemicarbazide 0.6kg
N, N-dinitrosopentamethylene tetramine 1.2kg
Activated calcium carbonate powder (325 order) 20kg
Calcium stearate 0.7kg
Lead sulfate tribasic 7kg
Carbamide 2kg
Salicylic acid 4kg
Dibutyl phthalate 6kg
Four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester 0.5kg.
(5), by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 20min, extruding pelletization, extruder barrel temperature 170-175 DEG C, die head temperature 175 DEG C, obtain modified plastics particle.
(6), above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle and mechanical agitation 15min again.
(7), after mixing, adopt extruder to carry out a kind of high-strength micropore wood plastic composite board of melt blending extrusion molding, extruder barrel temperature 172-175 DEG C, die head temperature 180 DEG C, obtain high-strength micropore wood plastic composite board.
Embodiment 6
A kind of high-strength micropore wood plastic composite board, concrete preparation process is as follows:
(1), weigh a certain amount of wood powder, after 108 DEG C of decatize 18min, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is that 1:22 weighs wood powder fiber pulp and dehydrated alcohol, stirs 3h so that it is mix homogeneously, then filters, dries.The acetone soak adopting 10 weight portions dries the crude fibre shape wood powder obtained, and after stirring 2.8h, adopts the chloroform of 10 weight portions to soak, stirs 3.2h, again filters, dry obtains fibrous wood powder.
(2) weigh threadiness wood powder by weight 1:8 and concentration is the sodium hydroxide solution of 7%, insert in reactor, it is simultaneously introduced the benzyl chloride of 6 weight portions and the toluene of 9 weight portions, stirs, be warming up to 115 DEG C, after reaction 4.2h, filter, remove filtrate, after modified fibre shape wood powder being carried out washing 4 times with ether, dry, obtain Benzylation threadiness wood powder.
(3), Paris white is mixed homogeneously according to weight ratio 13:100 with water after, be warming up to 68 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.4 weight portion while stirring, after reaction 50min, filter, by filter cake at 72 DEG C after vacuum drying 7h, grinding, screening obtains activated calcium carbonate powder.
(4), each raw material is weighed by formula ratio:
(specific surface area is 120m to Benzylation threadiness wood powder2/ g) 60kg
Igelite particle 52kg
P-toluene sulfonylsemicarbazide 0.46kg
N, N-dinitrosopentamethylene tetramine 1.1kg
Activated calcium carbonate powder (particle diameter is 230 orders) 17kg
Calcium stearate 0.57kg
Lead sulfate tribasic 5.7kg
Carbamide 1.6kg
Salicylic acid 2.4kg
Dibutyl phthalate 4.6kg
Four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester 0.38kg.
(5), by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 16min, extruding pelletization, extruder barrel temperature 162-174 DEG C, die head temperature 158 DEG C, obtain modified plastics particle.
(6), above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle and mechanical agitation 8min again.
(7), after mixing, adopt extruder to carry out a kind of high-strength micropore wood plastic composite board of melt blending extrusion molding, extruder barrel temperature 168-173 DEG C, die head temperature 174 DEG C, obtain high-strength micropore wood plastic composite board.
Prove the effect of the high-strength micropore wood plastic composite board of the present invention below by way of detection, its testing result is as follows:
Non-foam wood/plastic composite material panel density: 1.21g/cm3, the high-strength micropore wood plastic composite board density that embodiment 1 prepares: 0.88g/cm3, density have dropped 27.27%.
Non-foam wood/plastic composite material sheet material impact strength: 11.8kJ/m2, the high-strength micropore wood plastic composite board impact strength 15.3kJ/m2 that embodiment 1 prepares, impact strength improves 29.66%.
Non-foam wood/plastic composite material sheet material MOR: 21.22MPa, the high-strength micropore wood plastic composite board MOR 28.32MPa that embodiment 1 prepares, MOR improves 33.46%.
These results suggest that the high-strength micropore wood plastic composite board of the present invention compares the impact strength and MOR with less density and Geng Gao with normal wood plastic composite board.
It is above presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, when produced function is without departing from the scope of technical solution of the present invention, belong to protection scope of the present invention.
Claims (7)
1. a high-strength micropore wood plastic composite board, is prepared from by the raw material of following parts by weight:
Benzylation threadiness wood powder 60
Igelite particle 40-60
P-toluene sulfonylsemicarbazide 0.4-0.6
N, N-dinitrosopentamethylene tetramine 0.8-1.2
Activated calcium carbonate powder 10-20
Calcium stearate 0.3-0.7
Lead sulfate tribasic 5-7
Carbamide 1-2
Salicylic acid 2-4
Dibutyl phthalate 4-6
Antioxidant 0.3-0.5.
2. a kind of high-strength micropore wood plastic composite board according to claim 1, is prepared from by the raw material of following parts by weight:
Benzylation threadiness wood powder 60
Igelite particle 45-55
P-toluene sulfonylsemicarbazide 0.45-0.55
N, N-dinitrosopentamethylene tetramine 0.9-1.1
Activated calcium carbonate powder 12-18
Calcium stearate 0.4-0.6
Lead sulfate tribasic 5.5-6.5
Carbamide 1.2-1.8
Salicylic acid 2.5-3.5
Dibutyl phthalate 4.5-5.5
Antioxidant 0.35-0.45.
3. a kind of high-strength micropore wood plastic composite board according to claim 2, is prepared from by the raw material of following parts by weight:
Benzylation threadiness wood powder 60
Igelite particle 50
P-toluene sulfonylsemicarbazide 0.5
N, N-dinitrosopentamethylene tetramine 1
Activated calcium carbonate powder 15
Calcium stearate 0.5
Lead sulfate tribasic 6
Carbamide 1.5
Salicylic acid 3
Dibutyl phthalate 5
Antioxidant 0.4.
4. high-strength micropore wood plastic composite board according to claim 1-3 any claim, it is characterized in that, described Benzylation threadiness wood powder, being that through slurrying, solvent soaking and separation circuit, wood powder is obtained threadiness wood powder, modifiying the specific surface area obtained again through benzyl chloride is 110-150m2The modified fibre shape wood powder of/g.
5. high-strength micropore wood plastic composite board according to claim 1-3 any claim, it is characterised in that described activated calcium carbonate powder is the Paris white through polyoxyethylene octadecanol sodium acetate modified active, and particle diameter is 200-325 order.
6. high-strength micropore wood plastic composite board according to claim 1-3 any claim, it is characterized in that, described antioxidant is β-(3,5-di-tert-butyl-hydroxy phenyl) one in the positive octadecanol ester of propanoic acid or four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester.
7. high-strength micropore wood plastic composite board according to claim 1-3 any claim, it is characterised in that its preparation process is:
(1) by wood powder decatize 10-20min at 100-110 DEG C of temperature, wear into wood powder fiber pulp, then by weight wood powder fiber pulp: dehydrated alcohol is 1:(15-25) by wood powder fiber pulp and dehydrated alcohol mixing and stirring, through filtering, obtaining crude fibre shape wood powder after drying, by the crude fibre shape wood powder acetone soak with 10 weight portions and after stirring 2-4h, soak with the chloroform of 10 weight portions again and stir 2-4h, again filtering, dry obtain threadiness wood powder；
(2) take by weight 1:(5-9) the fibrous wood powder of ratio and sodium hydroxide solution that concentration is (5-15) %, insert in reactor, it is simultaneously introduced the benzyl chloride of 5-10 weight portion and the toluene of 5-10 weight portion, stir, be warming up to 100-120 DEG C, after reaction 3-5h, filter, remove filtrate, with ether, modified fibre shape wood powder is carried out washing 3-5 time, obtain Benzylation threadiness wood powder after drying；
(3) by Paris white with water according to weight ratio (10-20): 100 mix homogeneously after, it is warming up to 60-80 DEG C, add the polyoxyethylene octadecanol sodium acetate of 0.1-0.5 weight portion while stirring, after reaction 30-60min, filter, by filter cake at 60-80 DEG C after vacuum drying 4-8h, grind, screening obtains the activated calcium carbonate powder that particle diameter is 200-325 order；
(4) each raw material is weighed by formula ratio；
(5) by igelite particle, sulfonyloxy methyl amino urea, activated calcium carbonate powder, lead sulfate tribasic, salicylic acid are placed in mechanical stirring kettle and stir 10-20min, use extruder extruding pelletization, extruder barrel temperature 160-175 DEG C, die head temperature 155-175 DEG C, obtains modified plastics particle；
(6) by above-mentioned modified plastics particle, Benzylation threadiness wood powder, N, N-dinitrosopentamethylene tetramine, calcium stearate, carbamide, dibutyl phthalate, antioxidant are placed in mechanical stirring kettle after stirring and evenly mixing, melt blending extrusion molding is carried out with extruder, extruder barrel temperature 165-175 DEG C, die head temperature 170-180 DEG C, obtains high-strength micropore wood plastic composite board.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525456A (en) * | 2008-03-03 | 2009-09-09 | 翁端华 | PVC wood-plastic low foaming granule material and preparation method thereof |
| CN101654536A (en) * | 2008-08-20 | 2010-02-24 | 北京清大华研科技发展有限公司 | Method for producing nano plastic-wood composite section |
| CN102746594A (en) * | 2012-06-13 | 2012-10-24 | 濮阳市东宝科技发展有限公司 | Wood plastic plate and its preparation method |
| CN103509288A (en) * | 2013-09-13 | 2014-01-15 | 临沂康亿家生态木业有限公司 | PVC foam wood/plastic composite material and manufacturing method thereof |
-
2014
- 2014-11-11 CN CN201410629522.8A patent/CN104356673B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525456A (en) * | 2008-03-03 | 2009-09-09 | 翁端华 | PVC wood-plastic low foaming granule material and preparation method thereof |
| CN101654536A (en) * | 2008-08-20 | 2010-02-24 | 北京清大华研科技发展有限公司 | Method for producing nano plastic-wood composite section |
| CN102746594A (en) * | 2012-06-13 | 2012-10-24 | 濮阳市东宝科技发展有限公司 | Wood plastic plate and its preparation method |
| CN103509288A (en) * | 2013-09-13 | 2014-01-15 | 临沂康亿家生态木业有限公司 | PVC foam wood/plastic composite material and manufacturing method thereof |
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