CN1274765C - Method for producing bagasse and polystyrene blended artificial fiber products - Google Patents
Method for producing bagasse and polystyrene blended artificial fiber products Download PDFInfo
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- CN1274765C CN1274765C CN 200410052248 CN200410052248A CN1274765C CN 1274765 C CN1274765 C CN 1274765C CN 200410052248 CN200410052248 CN 200410052248 CN 200410052248 A CN200410052248 A CN 200410052248A CN 1274765 C CN1274765 C CN 1274765C
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Abstract
The present invention provides a manufacture method for an artificial fiber manufactured product blended with bagasse and polystyrene which are chemically processed through an ultrasonic wave. The bagasse, a polystyrene granular material and stone powder are evenly mixed in proportion of 30 to 40 wt% of bagasse, 30 to 40 wt% of polystyrene, and 20 to 40 wt% of stone powder, and then a mixed material is formed by hot pressing to obtain the artificial fiber manufactured product. The bagasse is bleached, desugared, and chemically processed by other small molecules through the ultrasonic wave and is ultrasonically processed in bagasse processing liquid containing a catalytic agent, an oxidizing agent, a pH regulating agent and a decrystallization medium control agent. The polystyrene granular material can be a recovered polystyrol foaming packing material, and the stone powder is kaolin, heavy or light calcium carbonate or gypsum powder, etc. A bagasse manufactured product and a polystyrene fiber manufactured product which are produced through a technique have low cost and belong to an environmental protection product. In the production process, no waste slag, waste water and waste gas are discharged, and environment is not polluted.
Description
Technical field
The present invention relates to the method for bagasse and polystyrene blend process industry or civilian fiber board products.
Background technology
Provinces such as southern china, particularly Guangxi, Guangdong, Hainan abound with sugarcane and are used for sugaring, and its by product bagasse output is abundant, but is not fully utilized.If use it for pulping and paper-making, because non-fiber composition height in the bagasse need consume more polyvoltine medicine during slurrying, the papermaking yield is low, and is big for environment pollution, thereby seldom is utilized; Replace coal-fired burning boiler with bagasse, wasted valuable plant resources again.In order to improve the use value of bagasse, be the practical problems of current urgent solution.Utilizing bagasse to make light fiberboard is the important channel that bagasse utilizes, method commonly used is directly to adopt the plate core of bagasse as fiberboard, as the disclosed a kind of lightweight bagasse composition board of utilizing bagasse to make of CN87214339, will be through the bagasse hot pressing that removes marrow and drying treatment plate core as composition board, be that made its physical strength of composition board and formability is relatively poor by the shortcoming of this bagasse board core.
Summary of the invention
The purpose of this invention is to provide a kind of bagasse of sonochemistry processing and the novel method that polystyrene blend is made artificial fibre product.
The technical solution adopted in the present invention is as follows: with bagasse, polystyrene pellet and stone flour is bagasse 30～40% by weight percentage, and polystyrene 30～40%, stone flour are 20～40% ratio uniform mixing, and be again that compound is hot-forming; Described bagasse raw material is through bleaching, remove sugar and other micromolecular sonochemistry pre-treatment, its bagasse particle length 0.1～0.5mm, the particle diameter of described polystyrene pellet is 0.5～3.0mm, described stone flour is kaolin, heavy or materials such as light calcium carbonate, terra alba, and particle diameter is 1～50 μ m.
Said sonochemistry pretreatment process to bagasse is under ultrasound condition sugar and other micromolecular processing are bleached, removed to bagasse, process is as follows: the ratio that accounts for the weight percentage 5.0～12.5% of bagasse treatment solution in the bagasse input amount is thrown in bagasse in the bagasse treatment solution, under 20～80 ℃ temperature, supersound process 15～150 minutes refilters drying; Said bagasse treatment solution is formed by catalyzer, oxygenant, PH conditioning agent, crystalline medium control agent and the water allotment that disappears, wherein, catalyzer is nano zine oxide, nanometer anatase titanium dioxide, heteropolyacid, polysulfide or anthraquinone, and the weight percentage that accounts for the bagasse treatment solution is 0.005%～0.05%; Oxygenant is hydrogen peroxide, ozone, peroxy acid, clorox or Textone etc., and accounting for bagasse treatment solution weight percentage in pure product is 0.5～5.0%; The crystalline medium control agent that disappears is sodium hydroxide, potassium hydroxide or liquefied ammonia etc., and the weight percentage that accounts for the bagasse treatment solution is 0.01～0.5%; The agent of reaction medium pH regulator is yellow soda ash, sodium bicarbonate, phosphoric acid, sodium hydrogen phosphate, sodium phosphate or acetic acid etc., and its consumption exceeds between being adjusted to 2～5 or 9～12 with the pH value with the bagasse treatment solution; Surplus is a water; Each component concentration percentage ratio sum is 100%.
In the preparation of bagasse treatment solution of the present invention, when catalyzer is nano zine oxide or nanometer anatase titanium dioxide, it is between 0.005～0.03% that consumption accounts for the treatment solution weight percentage, when catalyzer was heteropolyacid, polysulfide or anthraquinone, it was between 0.01～0.05% that consumption accounts for the treatment solution weight percentage.
The present invention under ultrasound condition sugar is bleached, removed to bagasse and other small molecules is handled, and it is less to handle the back cellulose degradation, and xylogen and hemicellulose are partly degraded.Available like this processing bagasse solid yield will improve greatly, because unstable micromolecular removal makes that thermotolerance raising and color and luster when carrying out blend with other material are better.Bagasse sonochemistry treatment process has green, environmental protection, efficient, energy-conservation, advantage such as process is controlled, for suitability for industrialized production is laid a good foundation.
Described hot-briquetting modeling process be described compound at 90 ℃ of following constant temperature, in 120 ℃ of thermocompressores, impose the compression moulding of 2.5～5.0MPa pressure again, moulded products is at 60 ℃ of constant temperature 6～8h, carries out heat setting type and handles.
Described polystyrene can adopt waste and old regenerated polystyrene pellet; Also available industrial goods polystyrene.
The foamed polystyrene packing material process pretreated material of described waste and old regenerated polystyrene pellet for reclaiming, its preprocessing process are after styrofoam is used the heater fusion, to reproduce grain and pulverize, and granularity is 0.5～3.0mm.Polystyrene after treatment is a large amount of air of venting, and volume greatly reduces, energy uniform distribution with the bagasse blend time, the physical strength of assurance fiberboard.
The kaolin, heavy or the stone flour materials such as light calcium carbonate, terra alba that add when making fiberboard, granularity is 1～50 μ m, and is thin more good more, removes coarse particles and impurity with 60 mesh standard sieves before using.But the intensity of the adding fortifying fibre plate of this stone flour material, the small spaces in the fiberfill fibers plate.
The concrete preparation technology of regenerated fiber goods of the present invention (as sheet material) is, pretreated bagasse, polystyrene, stone flour is even by the described mixed of invention technical scheme, mixture is placed 90 ℃ of drying room constant temperature, also dry by the fire the part moisture content of bagasse during constant temperature, make moisture content≤2%, polystyrene is in treats melting state.Then compound is put into mold slots with certain size, trough rim has interlayer, be incubated 120 ℃ with resistance wire or oil bath, have the box of pressure to link to each other with thermocompressor on the groove, the mechanical expression device or the hydraulic efficiency plant of available band screw rod, pressure are 2.5～5.0MPa, with 4.5Mpa for well, during the compressed one-tenth plate of dispersive material, polystyrene is in molten state, simultaneously bagasse and stone flour is bonded into integral body.After fiberboard presses, can be stacked together from level to level,, can add stone flour and intercept, move to 60 ℃ of constant temperature drying room constant temperature again and place 6～8h, shift out again, naturally cool to room temperature, promptly get stock for fibreboard for preventing ply adhesion.The homothermic purpose is to eliminate internal stress in the plate, makes it indeformable.The gained fiberboard can be polished, and pastes the PLASTIC LAMINATED or the making furniture of directly painting.Fiberboard can be processed with instruments such as axe, plane, saw, brill, cutters.
Bagasse that present technique is produced and styroflex goods have utilized waste material from sugar refinery and packing waste material, thereby cost is lower; Bagasse is green renewable resources; Polystyrene is a weighting agent, is again tackiness agent, and it belongs to thermoplastics.Therefore, add and need not to add solvent man-hour, saved cost, do not have waste residue, waste water, exhaust gas emission in the production process, environmentally safe.The little space of the stone flour fiberfill fibers plate that adds increases hardness again, because the stone flour fine size, it is few to add the damage of tool setting in man-hour tool at fiberboard.The above-mentioned fibre product maximum of producing be fibrous plate, also can be the prefabricated component of specified shape, as furniture, use mock-up funiture for the big setting of a tittle, directly suppress furniture or major parts, with minimizing making furniture operation and cost; Can also before the fiberboard compacting, put into wire netting, to increase the sheet material flexural strength.Mix the fiberboard test shows that suppresses with bagasse and polystyrene and kaolin, get long 120mm, wide 75mm, thick 25mm sheet material, the about 250g of weight, under pressure testing machine, offset distance 90mm, afterburning 13.0kg does not fracture.Fiberboard when humidity 70%, water-intake rate＜3%.
Embodiment
Embodiment one
Preparation bagasse treatment solution is made up of catalyzer, oxygenant, reaction medium PH conditioning agent, disappear crystalline medium control agent and water.Catalyzer is the nanometer anatase titanium dioxide, and it is 0.007% that consumption accounts for bagasse treatment solution weight percentage; Oxygenant is a clorox, and it is between 1.3% that consumption accounts for bagasse treatment solution weight percentage; The agent of reaction medium pH regulator is a yellow soda ash, regulates the pH value to 10 of bagasse treatment solution with it; The crystalline medium control agent that disappears is a sodium hydroxide, and it is 0.07% that consumption accounts for the treatment solution weight percentage; Surplus is a water, and each component concentration percentage ratio sum is 100%; Bagasse is dropped into the bagasse treatment solution, and it is 7.0% that bagasse accounts for the treatment solution weight percent, and under 65 ℃, the ultrasonic 20min of 28.5kHz carries out the sonochemistry pre-treatment, and is standby behind the filtration drying.40 parts of (particle length 0.1～0.5mm) of the pretreated bagasse of the sonochemistry of learning from else's experience by weight percentage, after regenerated polystyrene pellet 40 parts (median size 2.0mm) and lime carbonate 20 parts (median size 5 μ m) mix, place 90 ℃ of drying room constant temperature, move to long 2.0M again, in the hot pressing trough of wide 1.0M, the resistance wire insulation is arranged around the groove, make the frid temperature remain on 120 ℃, with 3.5MPa pressure mixture is pressed into the thick fiberboard of 25mm, keep-uped pressure 3 minutes, taking out fiberboard places on the flat-bed trailer, can spray one deck kaolin above and make adherent layer, again the piece of fiberboard that extrudes is stacked together, baking 7h heat setting type cools the temperature to room temperature again and gets fiberboard in 60 ℃ of drying rooms.Fiberboard proportion 1.09, water-intake rate＜2%, bending strength 13.5～14.5MPa.Fiberboard can be processed, polish, paints or the fire prevention face of stickup, makes furniture or industrial sheet material.
Embodiment two
Preparation bagasse treatment solution is made up of catalyzer, oxygenant, reaction medium PH conditioning agent, disappear crystalline medium control agent and water.Catalyzer is a sodium tetrasulfide, and it is 0.02% that consumption accounts for bagasse treatment solution weight percentage; The agent of reaction medium pH regulator is a sodium bicarbonate, regulates the pH value to 12 of bagasse treatment solution with it; Oxygenant is a hydrogen peroxide, and consumption is that to account for bagasse treatment solution weight percentage be 2.27% to pure hydrogen peroxide; The crystalline medium control agent that disappears is a potassium hydroxide, and it is 0.03% that consumption accounts for bagasse treatment solution weight percentage; Surplus is a water, and each component concentration percentage ratio sum is 100%; Bagasse is dropped into the bagasse treatment solution, and it is 5.4% that bagasse accounts for bagasse treatment solution weight percent, carries out the sonochemistry pre-treatment at 70 ℃ of ultrasonic 40min of following 32.5kHz, standby behind the filtration drying.40 parts of (particle length 0.1～0.5mm) of the pretreated bagasse of the sonochemistry of learning from else's experience by weight percentage, after regenerated polystyrene pellet 35 parts (median size 3.0mm) and kaolin 25 parts (median size 35 μ m) mix, place 90 ℃ of drying room constant temperature, move to long 2.0M again, in the hot pressing trough of wide 1.0M, the resistance wire insulation is arranged around the groove, make the frid temperature remain on 120 ℃, with 4.5MPa pressure mixture is pressed into the thick fiberboard of 25mm, keep-uped pressure 3 minutes, taking out fiberboard places on the flat-bed trailer, can spray one deck kaolin above and make adherent layer, again the piece of fiberboard that extrudes is stacked together, baking 8h heat setting type cools the temperature to room temperature again and gets fiberboard in 60 ℃ of drying rooms.Fiberboard proportion 1.11, water-intake rate＜2%, bending strength 14.5～15.5MPa.Fiberboard can be processed, polish, paints or the fire prevention face of stickup, makes furniture or industrial sheet material.
Embodiment three
Preparation bagasse treatment solution is made up of catalyzer, oxygenant, reaction medium PH conditioning agent, disappear crystalline medium control agent and water.Catalyzer is a nano zine oxide, and it is 0.008% that consumption accounts for bagasse treatment solution weight percentage; The agent of reaction medium pH regulator is a phosphoric acid, regulates the pH value to 4 of bagasse treatment solution with it; Oxygenant is a Peracetic Acid, and it is 1.15% that consumption accounts for bagasse treatment solution weight percentage; The crystalline medium control agent that disappears is a liquefied ammonia, and it is 0.08% that consumption accounts for bagasse treatment solution weight percentage; Surplus is a water, and each component concentration percentage ratio sum is 100%; Bagasse is dropped into the bagasse treatment solution, and it is 8.2% that bagasse accounts for bagasse treatment solution weight percent, carries out the sonochemistry pre-treatment at 50 ℃ of following 32.5kHz and 28.5kHz frequency mixing ultrasonic 40min, standby behind the filtration drying.35 parts of (particle length 0.1～0.5mm) of the pretreated bagasse of the sonochemistry of learning from else's experience by weight percentage, after regenerated polystyrene pellet 35 parts (median size 2.5mm) and terra alba 30 parts (median size 30 μ m) mix, place 90 ℃ of drying room constant temperature, move to long 2.0M again, in the hot pressing trough of wide 1.0M, the resistance wire insulation is arranged around the groove, make the frid temperature remain on 120 ℃, with 4.0MPa pressure mixture is pressed into the thick fiberboard of 25mm, keep-uped pressure 3 minutes, taking out fiberboard places on the flat-bed trailer, can spray one deck kaolin above and make adherent layer, again the piece of fiberboard that extrudes is stacked together, baking 6h heat setting type cools the temperature to room temperature again and gets fiberboard in 60 ℃ of drying rooms.Fiberboard proportion 1.10, water-intake rate＜2%, bending strength 15.5～16.5MPa.Fiberboard can be processed, polish, paints or the fire prevention face of stickup, makes furniture or industrial sheet material.
Embodiment four
Material mixture ratio and technological operation according to embodiment one, compound can be pressed into the goods with certain shape on the mould of definite shape, carry out assembled furniture or other industrial sheet material, also can place wire netting before the pressing plate to increase the sheet material bending strength in material, this technology is fit to industrialized scale operation.
Claims (6)
1, the manufacture method of a kind of bagasse and polystyrene blend regenerated fiber goods, it is characterized in that bagasse, polystyrene pellet and stone flour are bagasse 30～40% by weight percentage, polystyrene 30～40%, stone flour is 20～40% ratio uniform mixing, and is again that compound is hot-forming; Described bagasse feed composition is through bleaching, removing sugar and other micromolecular sonochemistry pre-treatment, and its bagasse particle length is 0.1～0.5mm; The particle diameter of described polystyrene pellet is 0.5～3.0mm; Described stone flour is kaolin, heavy or light calcium carbonate, terra alba material, and particle diameter is 1 μ m～50 μ m.
2, the manufacture method of bagasse according to claim 1 and polystyrene blend regenerated fiber goods, it is characterized in that to the bagasse feed composition bleaching, remove sugar and the pretreated technological process of other micromolecular sonochemistry is as follows:
The ratio that accounts for the weight percentage 5.0～12.5% of bagasse treatment solution in the bagasse input amount is thrown in bagasse in the bagasse treatment solution, and under 20～80 ℃ temperature, supersound process 15～150 minutes refilters drying; Said bagasse treatment solution is formed by catalyzer, oxygenant, PH conditioning agent, crystalline medium control agent and the water allotment that disappears, wherein, catalyzer is nano zine oxide, nanometer anatase titanium dioxide, heteropolyacid, polysulfide or anthraquinone, and the weight percentage that accounts for the bagasse treatment solution is 0.005%～0.05%; Oxygenant is hydrogen peroxide, ozone, peroxy acid, clorox or Textone, and the weight percentage that accounts for the bagasse treatment solution in pure product is 0.5～5.0%; The crystalline medium control agent that disappears is sodium hydroxide, potassium hydroxide or liquefied ammonia, and the weight percentage that accounts for the bagasse treatment solution is 0.01～0.5%; The agent of reaction medium pH regulator is yellow soda ash, sodium bicarbonate, phosphoric acid, sodium hydrogen phosphate, sodium phosphate or acetic acid, and its consumption exceeds between being adjusted to 2～5 or 9～12 with the pH value with the bagasse treatment solution; Surplus is a water; Each component concentration percentage ratio sum is 100%.
3,, it is characterized in that described polystyrene adopts waste and old regenerated polystyrene pellet according to the manufacture method of described bagasse of claim 1 and polystyrene blend regenerated fiber goods.
4,, it is characterized in that the pellet that described waste and old regenerated polystyrene pellet forms through melt pelletization for the foamed polystyrene packing materials that reclaim according to the manufacture method of described bagasse of claim 3 and polystyrene blend regenerated fiber goods.
5, according to the manufacture method of described bagasse of claim 1 and polystyrene blend regenerated fiber goods, it is characterized in that described hot-briquetting modeling process is at 90 ℃ of following constant temperature with described compound, in 120 ℃ of thermocompressores, impose the compression moulding of 2.5～5.0MPa pressure again, moulded products carries out heat setting type and handles at 60 ℃ of constant temperature 6～8h.
6, according to the manufacture method of described bagasse of claim 1 and polystyrene blend regenerated fiber goods, it is characterized in that in compound, placing wire netting, the hot repressing moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410052248 CN1274765C (en) | 2004-11-18 | 2004-11-18 | Method for producing bagasse and polystyrene blended artificial fiber products |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410052248 CN1274765C (en) | 2004-11-18 | 2004-11-18 | Method for producing bagasse and polystyrene blended artificial fiber products |
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| CN1631985A CN1631985A (en) | 2005-06-29 |
| CN1274765C true CN1274765C (en) | 2006-09-13 |
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| CN 200410052248 Expired - Fee Related CN1274765C (en) | 2004-11-18 | 2004-11-18 | Method for producing bagasse and polystyrene blended artificial fiber products |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT1914052T (en) * | 2006-10-19 | 2017-10-04 | Basf Se | Lightweight wooden material |
| KR100939236B1 (en) * | 2009-06-22 | 2010-01-29 | 유희룡 | Bagasse composite, composite manufacturing method and interior composite using the same |
| CN103289219B (en) * | 2013-07-03 | 2016-03-30 | 内蒙古大学 | The method of sheet material is prepared with waste polystyrene foam and kaolin |
| CN103289220A (en) * | 2013-07-03 | 2013-09-11 | 内蒙古大学 | Method for preparing plate material by waste polystyrene foam, waste vegetable fibers and kaoline |
| CN113211707A (en) * | 2021-05-21 | 2021-08-06 | 河北强华橡胶制品有限公司 | Method for preparing high-density foam thermal insulation material by using waste foamed thermal insulation material |
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