CN1827701A - Wood-plastic biological filling and method for making same - Google Patents
Wood-plastic biological filling and method for making same Download PDFInfo
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- CN1827701A CN1827701A CN 200610072248 CN200610072248A CN1827701A CN 1827701 A CN1827701 A CN 1827701A CN 200610072248 CN200610072248 CN 200610072248 CN 200610072248 A CN200610072248 A CN 200610072248A CN 1827701 A CN1827701 A CN 1827701A
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Abstract
The disclosed wood-plastic biological filler comprises the following ingredients (by weight portions): plastic 100, vegetable fiber 40-150, stone powder 10-60, expanding agent 2-6, heat absorption / release foaming agent 1-3, foaming activating agent 0.5-1.5, oxidation bond breaking agent 0.5-1.5, and lubricating agent 2.5-4. The biological filler can be prepared from wastes.
Description
Technical field
The present invention relates to biologic packing material, particularly biologic packing material of a kind of Wood-plastic and preparation method thereof.
Background technology
Biological treatment is occupying epochmaking status aspect the pre-treatment of current all kinds of wastewater treatments and source, face of land water.And be one of crucial goods of biologic treating technique as the filler of microbe carrier, the quality of its performance and treatment effect, the length in work-ing life, what of engineering cost are waited direct relation.
Biologic packing material in the sewage disposal at present generally all adopts polyethylene (PE), polypropylene (PP), polyvinyl chloride material injection moldings such as (PVC) or hot synthetic type method to make.Though this base polymer has good forming process, be easy to make shape than complexity and the bigger filler of specific surface area, yet, be unfavorable for breeding and the existence of microorganism because these materials all do not have the internal voids structure; Can make the shape of biologic packing material too complicated and too pursue specific surface area, and the performance raising is few, also is unfavorable for processing and produces the cost height in batches.
Summary of the invention
The purpose of this invention is to provide biologic packing material of a kind of Wood-plastic and preparation method thereof,, reduce cost to improve performance.The objective of the invention is to be achieved through the following technical solutions:
The feature of the biologic packing material of Wood-plastic of the present invention is: it is to be processed into by following each component materials by weight:
Plastics 100
Vegetable fibre 40-150
Stone flour 10-60
Expanding material 2-6
Suction/heat release whipping agent 1-3
Foaming activator 0.5-1.5
Oxidative cleavage agent 0.5-1.5
Lubricant 2.5-4.
In the prescription, 1 plastics can be polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene various thermoplasticity salvage materials such as (PS), play adhesive effect in wooden reorganization.
2 vegetable fibres can be the agriculture and forestry organic waste materials of wood powder, bamboo branch, rice husk, stalk, bagasse, peanut skin and even straw fiber, are the basic materials of wooden reorganization.
3 stone flours can be lime carbonate (CaCO3), talcum powder (Mg3), barite (BaSO4), kaolin etc., in order to regulate the global density of filler.
4 expanding materials can be ethylene/acrylic acid copolymer (EAA), maleic anhydride grafted ethene/acetate copolymer (EVA-g-MAH) or other natural resin, are mainly used in wood/mould two-phase interface combination.
5 heat absorption whipping agents comprise sodium bicarbonate (NaHCO3), Trisodium Citrate (Na3C6H5O7).The heat release whipping agent is Cellmic C 121 (AC), is used for foaming.
6 foaming activators are zinc oxide (ZnO), are used to activate foaming process.
7 oxidative cleavage agent comprise Zinic stearas (Znst), dicumyl peroxide (DCP), tert-butyl peroxide class, and main effect is that chain rupture promotes.
8 lubricants comprise various lipid acid, fatty acid amide, metallic soap, wax class, and main effect is lubricated.Its making method comprises the steps:
(1), get the raw materials ready, the material of above-mentioned various components is got all the ready;
(2), mix, above-mentioned various component materials is tentatively mixed;
(3), extrusion moulding, with the above-mentioned various components that tentatively mix on forcing machine, further mix, pressurization, exhaust, extrusion moulding, produce biologic packing material.
When the extrusion moulding step, be not less than under the 30Mpa at pressure and carry out.
As the extrusion moulding step 1 each component of preliminary blended is put in the twin screw extruder and carries out automatically, from feeding, moltenly mix, to repeatedly mixing, exhaust, with fully mixing and exhaust; Then the melt compression is extruded.In the twin screw rotation process of forcing machine, be issued to wood in the situation of not destroying vegetable fibre and mould two-phase blended purpose; Moisture content that contains in the material and low waving part thorough an eliminating.When mixing, the coupling lubricant in the component can with on vegetable fibre or the stone flour-the OH group connects organic group, improve and superpolymer between interface binding power.In order to guarantee quality product, extrusion pressure is not less than 30Mpa.Can the direct extrusion moulding of single stage method, also can the granulation of two step method elder generation, extrude then or injection molding, produce biologic packing material.Technical essential of the present invention is the balance of breaking between material visco-elasticity and the foaming power, just makes foaming power greater than visco-elasticity, impels brokenly bubble string hole.
The present invention is composited with natural plant fibre and thermal plasticity high polymer, is a kind of existing natural timber character, the water treatment filler that has the wood and plastic composite matter of plastics rheoforging feature again; Have certain open-celled structure, density is slightly less than water, and certain water-absorbent is arranged, density after the suction is slightly larger than water, drops in the water to be suspended state, and without putrefaction is rotten, being suitable for microorganism growth, being convenient to machine-shaping, also is a kind of lower-cost foaming wood-plastic water treatment filler.This filler both can be used as microbe carrier, was used for the anaerobism of waste water or the novel microorganism filler of biological treatment of aerobic embrane method or surface water biologic treating technique; The occasion that can be used for gas-liquid phase mass transfer again.Component plastics among the present invention can adopt plastic waste, not only make various changing rejected material to useful resource, and can recycle, and repeat processing, recycle at any time.Therefore expect that from former product all has multiple environment protection significance.
In sum, biologic packing material of the present invention utilizes waste-material-preparing, its simple shape, and making, processing side make, and filler itself has the gap structure that is more suitable for microorganism growth, is the novel microorganism filler of the wooden-plastic material that a kind of performance height, cost are low, the life-span is long.
Description of drawings
Fig. 1 is a biologic packing material synoptic diagram of the present invention.
Embodiment illustrates with embodiment below:
Embodiment 1,
Goods comprise following components by weight portions:
1) waste polyethylene (powdery) 100
2) powdered rice hulls 85
3) water-ground limestone 35
4) ethylene/acrylic acid copolymer 4
5) sodium bicarbonate 1
Cellmic C 121 1.5
6) zinc oxide 1
7) Zinic stearas 0.6
Dicumyl peroxide 0.4
8) lipid acid 3.5
Its making step comprises:
(1), get the raw materials ready, the material of above-mentioned various components is got all the ready;
(2), mix, with above-mentioned various component materials stirring, the preliminary mixing;
(3), extrusion moulding, with the extrusion moulding on forcing machine of the above-mentioned various components of preliminary blended, produce biologic packing material.
Present embodiment is extrusion moulding on forcing machine, be each component of preliminary blended to be put in the existing twin screw extruder carry out automatically, from feeding, molten mix, to repeatedly mixing, exhaust, with fully mixing and exhaust; Then the melt compression is extruded.In the twin screw rotation process of forcing machine, be issued to wood in the situation of not destroying vegetable fibre and mould two-phase blended purpose; Moisture content that contains in the material and low waving part thorough an eliminating.When mixing, also can make in the component the coupling lubricant with on vegetable fibre or the stone flour-the OH group connects organic group, improve and superpolymer between interface binding power.In order to guarantee quality product, extrusion pressure is not less than 30Mpa.Can the direct extrusion moulding of single stage method, also can the granulation of two step method elder generation, extrude then or injection molding, produce biologic packing material.
Embodiment 2,
Goods comprise following components by weight portions:
1) waste polyethylene (the waste polyethylene grain is through broken pulverize) 100
2) powdered rice hulls 60
3) water-ground limestone 15
4) ethylene/acrylic acid copolymer 3
5) sodium bicarbonate 0.8
Cellmic C 121 1
6) zinc oxide 0.8
7) Zinic stearas 0.5
Dicumyl peroxide 0.2
8) fatty acid amide 3
Its making step is identical with the making step of embodiment 1.
Embodiment 3
Goods comprise following components by weight portions:
1) waste polyethylene 100
2) powdered rice hulls 150
3) water-ground limestone 60
4) ethylene/acrylic acid copolymer 6
5) sodium bicarbonate 1.5
Cellmic C 121 1.5
6) zinc oxide 1.5
7) Zinic stearas 1.2
Dicumyl peroxide 0.3
8) lipid acid 4
Its making step is with identical with the making step of embodiment 1.
Embodiment 4, comprise following components by weight portions:
1) polyvinyl chloride (K value 58-60) 100
2) wood powder (vegetable fibre) 80
3) water-ground limestone 30
4) natural resin 4
5) Cellmic C 121 1
Sodium bicarbonate 0.8
6) zinc oxide 1
7) Zinic stearas 0.8
8) polyethylene wax 3
Its making step is with identical with the making step of embodiment 1.
Embodiment 5, comprise following components by weight portions:
Polyvinyl chloride (K value 58-60) 100
Wood powder 70
Water-ground limestone 20
Series of acrylate viscoelastic conditioning agent (K400) 6
Cellmic C 121 0.5
Sodium bicarbonate 1
Thermo-stabilizer (calcium-zinc composite stabilizing agent) 4
Calcium stearate 0.6
Dioctyl phthalate (DOP) 2
Two acetal esters 1.2 of saturated fatty alcohol
Polyethylene wax 0.6
Chlorinatedpolyethylene 4
Its making step is identical with the making step of embodiment 1.
Product performance:
The structure of goods as shown in Figure 1, in a tubular form, the porose φ of wall, outer wall are the perforate of clause shape, inwall is rough cellular; Foam structure is perforate and closed pore and deposits, aperture opening ratio 20-40%.The outer wall aerobic bacteria reproduction that suits, so the suitable anerobe existence of inwall is can be also with these two kinds of microbial films.
Physicals is as follows:
Density: before the immersion is 0.95-0.98g/cm3, and the immersion back is between the 1.05-1.15g/cm3, is suspended state in water, and certain floatability is arranged in fluidized-bed;
Use temperature＜80 ℃;
Use pH value to be 4-16;
Anti-biological corrosion, surface are easy to form microbial film.
Claims (3)
1. the biologic packing material of a Wood-plastic is characterized in that: it is by comprising that following each component materials by weight is processed into:
Plastics or plastic waste 100
Vegetable fibre 40-150
Stone flour 10-60
Expanding material 2-6
Suction/heat release whipping agent 1-3
Foaming activator 0.5-1.5
Oxidative cleavage agent 0.5-1.5
Lubricant 2.5-4.
2. the making method of the biologic packing material of Wood-plastic according to claim 1 comprises the steps:
(1), get the raw materials ready, the material of above-mentioned various components is got all the ready;
(2), mix, above-mentioned various component materials is tentatively mixed;
(3), extrusion moulding, with the above-mentioned various components that tentatively mix on forcing machine, further mix, pressurization, exhaust, extrusion moulding, produce biologic packing material.
3. the making method of the biologic packing material of Wood-plastic according to claim 2 when the extrusion moulding step, is not less than under the 30Mpa at pressure and carries out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610072248 CN1827701A (en) | 2006-04-14 | 2006-04-14 | Wood-plastic biological filling and method for making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610072248 CN1827701A (en) | 2006-04-14 | 2006-04-14 | Wood-plastic biological filling and method for making same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1827701A true CN1827701A (en) | 2006-09-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610072248 Pending CN1827701A (en) | 2006-04-14 | 2006-04-14 | Wood-plastic biological filling and method for making same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434751B (en) * | 2007-11-12 | 2011-04-20 | 沈阳市塑料机械研究所 | Material with waste plastic and plant fibre as plate and preparation thereof |
| CN102491504A (en) * | 2011-12-06 | 2012-06-13 | 浙江双益环保科技发展有限公司 | Polyethylene biological filing material and composite fluidized bed bioreactor |
| CN103408129A (en) * | 2013-08-19 | 2013-11-27 | 中国水产科学研究院渔业机械仪器研究所 | Degradable bio-compatible water treatment filler and preparation method thereof |
| CN111621140A (en) * | 2020-04-29 | 2020-09-04 | 中设设计集团环境科技有限公司 | Foaming sponge filler and preparation method thereof |
-
2006
- 2006-04-14 CN CN 200610072248 patent/CN1827701A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434751B (en) * | 2007-11-12 | 2011-04-20 | 沈阳市塑料机械研究所 | Material with waste plastic and plant fibre as plate and preparation thereof |
| CN102491504A (en) * | 2011-12-06 | 2012-06-13 | 浙江双益环保科技发展有限公司 | Polyethylene biological filing material and composite fluidized bed bioreactor |
| CN103408129A (en) * | 2013-08-19 | 2013-11-27 | 中国水产科学研究院渔业机械仪器研究所 | Degradable bio-compatible water treatment filler and preparation method thereof |
| CN103408129B (en) * | 2013-08-19 | 2015-12-23 | 中国水产科学研究院渔业机械仪器研究所 | Degradable biological affinity water treatment filling and preparation method thereof |
| CN111621140A (en) * | 2020-04-29 | 2020-09-04 | 中设设计集团环境科技有限公司 | Foaming sponge filler and preparation method thereof |
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