CN102268190A - Recycling method of garbage plastic - Google Patents
Recycling method of garbage plastic Download PDFInfo
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- CN102268190A CN102268190A CN2011101649523A CN201110164952A CN102268190A CN 102268190 A CN102268190 A CN 102268190A CN 2011101649523 A CN2011101649523 A CN 2011101649523A CN 201110164952 A CN201110164952 A CN 201110164952A CN 102268190 A CN102268190 A CN 102268190A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The invention relates to a recycling method of garbage plastic, and mainly solves the technical problems of high cost and large environmental pollution existing in the traditional technology methods. The technical schemes comprises the following steps: firstly directly granulating the recycled garbage plastic, then adding a modifier with compatibility and coupling performance and filler and mixing, then carrying out alloy modification, and then processing into plastic pellets to produce buried drainage combined pipelines for municipal building, combined core molds or mold shells for building structures, or wall heat-insulation inner molds. Through the recycling method provided by the invention, garbage plastic can be recycled, and the process method is relatively simple and generates little environmental pollution. The treated recycled plastic including garbage plastic can be used to manufacture in-situ cast reinforced concrete core molds or manufacture industrial and building articles, daily necessities and the like, and can also be used to manufacture production raw materials such as granulation materials.
Description
Technical field
The present invention relates to a kind of treatment process that reclaims waste or used plastics, especially processing method to utilizing at the recycling of refuse plastic, again.
Background technology
Better, the relatively large waste plastic recycling of the globality that reclaims from society is than being easier to, and utilization ratio also is the highest; But it is complicated because of sorting to scattered plastics daily necessities contained in the domestic refuse, the plastics impurities that sorts out is many, complex treatment process, cost is higher, so,, generally be to adopt modes such as landfill or burning to handle to scattered plastics daily necessities contained in the domestic refuse not recycling basically now, not only caused the wasting of resources, and easily environment has been polluted.Even scattered plastics daily necessities contained in the domestic refuse are sorted out again utilize, existing recycling mode also normally adopts the mode of wet concentration sorting, and water consumption is big especially, and this processing method exists cost height, drawback such as big for environment pollution.
At present, to reclaiming the utilization again of plastics, mainly be modification to be carried out in recovery handle, mainly be to adopt following method:
The one, for the compatible problem that solves between the refuse plastic is added compatilizer.Improve bonding force between the polymkeric substance by adding compatilizer, improve its processing characteristics, carry out alloy modification.By adding the function served as bridge of chlorinatedpolyethylene (CPE), ethylene-vinyl acetate copolymer (EVA), styrene-butadiene-styrene block copolymer elastomer polymers such as (SBS), the different varieties plastics are combined closely, form polymer alloy, improve the purpose that reclaims plastics performance to reach, adding compatilizer is that the numerous and diverse refuse plastic of kind is carried out the improvement of consistency.
The 2nd, for the compatible problem that solves between refuse plastic and the filler is added coupling agent.Coupling agent can improve the consistency between filler and the matrix resin, also can improve the state of interface between rice husk, chaff powder, wood powder and the polymkeric substance simultaneously.And most widely used two class coupling agents are silane coupling agent and titanate coupling agent at present.Experiment shows that these two kinds of coupling agents can both improve the consistency of filler and resin.The reply wood powder carries out drying treatment before adding coupling agent, and drying temperature is that the time is advisable with 3h about 150 ℃, if dry insufficient, have bubble in the goods and produces, and causes the physical strength of material to descend.
By above analysis as seen, tradition modified technique flow process is: at first utilize fluoropolymer resin that waste or used plastics is carried out compatible modification, simultaneously, coupling agent is added in filler oven dry back carry out the coupling surface treatment, then, plastics after the above modification and these 2 kinds of materials of the filler after the coupling processing are carried out granulation again after the blend, be made into product at last, consult Fig. 1.This method of modifying technology is numerous and diverse relatively, after promptly will handling respectively earlier, the remix granulation, make product, the coupling agent add-on that the add-on of its compatilizer is 2.5~5%, handle filler is 3~5%, and the coupling processing of polymer modification granulation, filler all will consume a large amount of electric heating, and only this item is per ton to need to increase by 300~500 yuan expense, also need increase facility investment, as seen be very uneconomic.
Summary of the invention
Because the domestic refuse plastics variety is numerous and diverse, the difference of their structures and aspect of performance and objectionable intermingling, and, refuse plastic use and the course of processing in degraded can take place and wear out, cause the mechanical properties decrease of material.In order to make the recovery macromolecular material satisfy service requirements, generally filling-modified by filler, also two or more polymkeric substance can be carried out blending and modifying.But the interface can appear in the difference because of between structure, form and the performance of filler and polymkeric substance or different polymkeric substance, and the formation at interface will influence the use properties of material.For overcoming the problems referred to above, at first to solve between the refuse plastic, the compatible problem between refuse plastic and the filler, thereby need a kind of novel multifunctional composite modifier of exploitation, this kind modification will have the double effects of compatilizer and coupling agent, improve between the refuse plastic to make it to reach, compatible problem between refuse plastic and the filler, thereby the production technique that design makes new advances.
The purpose of this invention is to provide a kind of can to refuse plastic carry out recycling and processing method simple relatively, can carry out multi-functional composite modified, refuse plastic that environmental pollution is less utilize method again.
The technical solution adopted for the present invention to solve the technical problems is: with the direct granulation of refuse plastic of reclaiming, add and have after compatible properties-correcting agent with the coupling performance mixes, make plastic granule again and be used to produce product.
Another embodiment of the invention is: earlier with the direct granulation of refuse plastic of reclaiming; add then and carry out alloy modification after properties-correcting agent with compatible and coupling performance and filler mix, make again plastic granule production urban construction with bury draining combined pipe, building structure with composite core formwork or formwork or the heat insulation internal mold of wall thermal insulating.Described filler comprises rice husk, chaff powder or wood powder, or is made of 2 kinds in rice husk, chaff powder or the wood powder or 2 above material arbitrary combination of kind, and the plastic granule after the modification and the weight ratio of filler are 100: (25-35).
Described properties-correcting agent comprises on the molecular chain of acrylate copolymer, maleic anhydride modified polyolefin resin, ethylene acrylic acid co polymer grafting vegetable fibres such as grafting polar monomer or maleic anhydride.Described properties-correcting agent also is made of 2 kinds in the grafting vegetable fibre such as grafting polar monomer or maleic anhydride on the molecular chain of acrylate copolymer, maleic anhydride modified polyolefin resin, ethylene acrylic acid co polymer or 2 above material arbitrary combination of kind.
The refuse plastic pellet of above-mentioned 2 kinds of embodiments and the weight ratio of properties-correcting agent are 100: (1-2).
The invention has the beneficial effects as follows: it is a main raw material with the town and country refuse plastic, by adopting the disposable Technology of independent research uniqueness, but handles about 10 tons of one ton of refuse plastic conserve water resources, but 200,000 tons of year conserve water resources; On the product processing mode, employing is carried out refuse plastic roughing and is handled and the mode of carrying out products production in factory in the refuse tip, carry out the roughing of refuse plastic in the refuse tip and handle, year can reduce about 120,000 tons of traffic capacity, and the bulk processing waste residue that produces landfill on the spot.When factory carries out products production, the properties-correcting agent and the filler that add uniqueness of the present invention carry out alloy modification, be used for the production urban construction with burying ground draining combined pipe, also can be widely used in products such as modern building fabric usefulness composite core formwork and formwork, the heat insulation internal mold of wall thermal insulating.It can carry out recycling to refuse plastic, and processing method is simple relatively, and environmental pollution is less.
Description of drawings
Fig. 1 is a conventional plastic modified technique schematic flow sheet.
Fig. 2 is a modifying plastics process flow diagram of the present invention.
Fig. 3 utilizes the inventive method to make the technological process of production synoptic diagram of product.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further details.
Embodiment 1, the present invention by develop a kind of have compatiblely refuse plastic is carried out modification with the properties-correcting agent that is coupled to one, will produce the processing method of building products again.Its principle is: contained plastics variety in the refuse plastic basically based on thermoplasticss such as PE, PP, ABS, EVA, also has PVC, the PET etc. of minute quantity; Comprise that by employing grafting vegetable fibre such as grafting polar monomer, maleic anhydride is as the properties-correcting agent of polymer-compatible on the molecular chain of acrylate copolymer, maleic anhydride modified polyolefin resin, ethylene acrylic acid co polymer, but on the molecular chain of described properties-correcting agent acrylate copolymer, maleic anhydride modified polyolefin resin, ethylene acrylic acid co polymer in the grafting vegetable fibres such as grafting polar monomer or maleic anhydride any one, maybe can be that wherein 2 kinds or 2 above material arbitrary combination of kind constitute.When adding properties-correcting agent, the weight ratio of refuse plastic pellet and properties-correcting agent is 100: (1-2).By adding above-mentioned properties-correcting agent, make the graftomer main chain in the plastics produce physics or chemical action with the polymer alloy interface, make resin that good consistency be arranged, and grafted polarity side chain can react with the polar group of filling surface, make the filling surface activation.And major part contains hydroxyl or acid anhydride base in these compatilizers, can with the hydroxyl generation esterification in the wood powder, reduce the polarity and the water absorbability of wood powder.By molecular designing, thereby can realize the two combination of compatible and coupling, save the production technique cost greatly.Consult Fig. 2.
Embodiment 2, earlier with the direct granulation of refuse plastic of reclaiming, add then and carry out alloy modification after properties-correcting agent with compatible and coupling performance and filler mix, when adding properties-correcting agent, the weight ratio of refuse plastic pellet and properties-correcting agent is 100: (1-2), described filler can be in rice husk, chaff powder or the wood powder any one, or wherein any 2 kinds or the above material arbitrary combination of 2 kinds constitute, the plastic granule after the modification and the weight ratio of filler are 100: (25-35).Because of main component in the filler is a Mierocrystalline cellulose, the present invention utilizes organic fibres such as rice husk, chaff powder, wood powder as stopping composition plastic waste to be carried out physically modified, the environmental protection of employing raw material, thereby can produce a kind of brand-new environmental protection plastic-wood material.Make plastic granule production urban construction again with burying ground draining combined pipe, building structure with composite core formwork or formwork or the heat insulation internal mold of wall thermal insulating.
Now performance before and after the refuse plastic modification and modified technique are changed the back performance analysis: the refuse plastic kind is numerous and diverse, and physical strength is very low, generally can't satisfy various mechanical performance of products requirements.After adopting technology of the present invention that refuse plastic is carried out the modification processing, reached the good technical effect.According to the production technique and the specification of quality of product, and consider whether different modified techniques is influential to physical strength, also considers formulation cost and production cost, and the applicant has done the data that a large amount of tests draws following form:
By the data among the above-mentioned deck watch as can be seen: the physicals of refuse plastic is very low before the modification, and physical and mechanical properties improves greatly after the modification; Though adopt some index after the process modification of the present invention just a little more than the index of traditional technology modification, both are more or less the same at the performance of comparing, and resulting modification refuse plastic can both satisfy the production technique of products such as composite core formwork, formwork and the requirement of quality.But the add-on of compatilizer is 2.5~5% in the traditional technology, the coupling agent add-on of handling filler is 3~5%, and the add-on of filler is 25~35% after the modification of the present invention, and the add-on of properties-correcting agent is 1.0~2%; This shows, adopt the cost of traditional technology to be higher than the cost that adopts processing method of the present invention far away.
Adopt processing method of the present invention that refuse plastic is carried out modified plastics after the modification, develop section construction the structure core and the formwork product of unique texture, these utilize refuse plastic to adopt the sheet die shoe of compression moulding, can overlappingly stack, it is little to take up room, and is convenient to long-distance transport, easily assembling again, transportation and construction process are not fragile, and structural shape can be diversified, can be widely used in the building structures such as arch without beam of cast-in-situ steel reinforced concrete large span, large bay, big load.Realized utilizing discarded refuse plastic to produce new chemical building material product, important breakthrough on product design and Technology and innovation.
Production technique of the present invention is divided into carries out the refuse plastic bulk processing in the refuse tip and carries out product two stages of processing in factory.The i.e. refuse plastic that reclaims by rubbish transfer processing company, in the refuse tip by adopting the washing process of exempting from of uniqueness that our company researches and develops voluntarily, be called for short the SP method, adopt unique processing device processing granulation, finish refuse plastic bulk processing technology, this bulk processing granulation process is preferably set up processing subsidiary factory separately near refuse plastic withdrawal scene.Then, the refuse plastic pellet that processing subsidiary factory is made is transported to product source mill, after product source mill carries out modification, and reprocessing various composite core formwork of moulding and building form product.Difference according to products production season and territory of use is carried out alloying, and the material after the modification is a blank through the forcing machine heating plasticizing, is pressed into product again, and final product is packed warehouse-in again after check, transport the laggard luggage in working-yard to and join.Consult Fig. 3, all the other are with embodiment 1.
Claims (8)
- A refuse plastic utilize method again, it is characterized in that: with the direct granulation of refuse plastic of reclaiming, add again and have after compatible properties-correcting agent with the coupling performance mixes, make plastic granule again and be used to produce product.
- 2. a refuse plastic utilizes method again; it is characterized in that: earlier with the direct granulation of refuse plastic of reclaiming; add then and carry out alloy modification after properties-correcting agent with compatible and coupling performance and filler mix, make again plastic granule production urban construction with bury draining combined pipe, building structure with composite core formwork or formwork or the heat insulation internal mold of wall thermal insulating.
- According to the described refuse plastic of claim 2 utilize method again, it is characterized in that: described filler comprises rice husk, chaff powder or wood powder.
- According to the described refuse plastic of claim 2 utilize method again, it is characterized in that: described filler is made of 2 kinds in rice husk, chaff powder or the wood powder or 2 above material arbitrary combination of kind.
- According to the described refuse plastic of claim 2 utilize method again, it is characterized in that: the plastic granule after the modification and the weight ratio of filler are 100: (25-35).
- According to claim 1 or 2 described refuse plastics utilize method again, it is characterized in that: described properties-correcting agent comprises on the molecular chain of acrylate copolymer, maleic anhydride modified polyolefin resin, ethylene acrylic acid co polymer grafting vegetable fibres such as grafting polar monomer or maleic anhydride.
- According to claim 1 or 2 described refuse plastics utilize method again, it is characterized in that: described properties-correcting agent is made of 2 kinds in the grafting vegetable fibre such as grafting polar monomer or maleic anhydride on the molecular chain of acrylate copolymer, maleic anhydride modified polyolefin resin, ethylene acrylic acid co polymer or 2 above material arbitrary combination of kind.
- According to claim 1 or 2 described refuse plastics utilize method again, it is characterized in that: the weight ratio of refuse plastic pellet and properties-correcting agent is 100: (1-2).
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Cited By (12)
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CN102900229A (en) * | 2012-10-19 | 2013-01-30 | 任聪 | Processing method for renewable waste plastic glass fiber building formwork |
CN103375027A (en) * | 2012-04-27 | 2013-10-30 | 张家港市贝尔机械有限公司 | Light building template |
CN104774386A (en) * | 2015-04-10 | 2015-07-15 | 芜湖中源赛特管业有限公司 | Regenerated tube, and preparation method and application thereof |
CN105924792A (en) * | 2016-07-07 | 2016-09-07 | 安徽国风木塑科技有限公司 | PP wood plastic drainage pipeline and preparation method thereof |
CN106140778A (en) * | 2015-04-08 | 2016-11-23 | 北京神州蓝天新型环保建材有限公司 | Rubbish integrated process in construction site is dissolved method |
CN107165408A (en) * | 2017-07-11 | 2017-09-15 | 广州市极合技术咨询有限公司 | A kind of sliceable environment-friendly type building template |
CN109467799A (en) * | 2017-09-08 | 2019-03-15 | 宁夏大学 | A kind of composite material prepared using solid waste as matrix and preparation method |
CN110797495A (en) * | 2019-09-28 | 2020-02-14 | 合肥国轩高科动力能源有限公司 | High-strength composite PE diaphragm and preparation method thereof |
CN112480612A (en) * | 2020-11-28 | 2021-03-12 | 江苏凯盛环保科技有限公司 | Preparation method of environment-friendly antibacterial plastic-wood composite board |
CN112608579A (en) * | 2020-11-28 | 2021-04-06 | 江苏凯盛环保科技有限公司 | Preparation method of corrosion-resistant aging-resistant plastic-wood composite material |
CN112608562A (en) * | 2020-11-28 | 2021-04-06 | 江苏凯盛环保科技有限公司 | Preparation method of fire-resistant environment-friendly wood-plastic plate |
CN115430691A (en) * | 2022-07-16 | 2022-12-06 | 清远市鑫叶新型装饰材料有限公司 | Environment-friendly domestic garbage recycling treatment process |
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Cited By (16)
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CN103375027A (en) * | 2012-04-27 | 2013-10-30 | 张家港市贝尔机械有限公司 | Light building template |
CN102900229A (en) * | 2012-10-19 | 2013-01-30 | 任聪 | Processing method for renewable waste plastic glass fiber building formwork |
CN102900229B (en) * | 2012-10-19 | 2015-02-25 | 任聪 | Processing method for renewable waste plastic glass fiber building formwork |
CN106140778A (en) * | 2015-04-08 | 2016-11-23 | 北京神州蓝天新型环保建材有限公司 | Rubbish integrated process in construction site is dissolved method |
CN104774386A (en) * | 2015-04-10 | 2015-07-15 | 芜湖中源赛特管业有限公司 | Regenerated tube, and preparation method and application thereof |
CN104774386B (en) * | 2015-04-10 | 2017-10-27 | 芜湖中源赛特管业有限公司 | Regeneration pipe material and its preparation method and application |
CN105924792A (en) * | 2016-07-07 | 2016-09-07 | 安徽国风木塑科技有限公司 | PP wood plastic drainage pipeline and preparation method thereof |
CN107165408A (en) * | 2017-07-11 | 2017-09-15 | 广州市极合技术咨询有限公司 | A kind of sliceable environment-friendly type building template |
CN109467799A (en) * | 2017-09-08 | 2019-03-15 | 宁夏大学 | A kind of composite material prepared using solid waste as matrix and preparation method |
CN110797495A (en) * | 2019-09-28 | 2020-02-14 | 合肥国轩高科动力能源有限公司 | High-strength composite PE diaphragm and preparation method thereof |
CN110797495B (en) * | 2019-09-28 | 2021-08-10 | 合肥国轩高科动力能源有限公司 | High-strength composite PE diaphragm and preparation method thereof |
CN112480612A (en) * | 2020-11-28 | 2021-03-12 | 江苏凯盛环保科技有限公司 | Preparation method of environment-friendly antibacterial plastic-wood composite board |
CN112608579A (en) * | 2020-11-28 | 2021-04-06 | 江苏凯盛环保科技有限公司 | Preparation method of corrosion-resistant aging-resistant plastic-wood composite material |
CN112608562A (en) * | 2020-11-28 | 2021-04-06 | 江苏凯盛环保科技有限公司 | Preparation method of fire-resistant environment-friendly wood-plastic plate |
CN115430691A (en) * | 2022-07-16 | 2022-12-06 | 清远市鑫叶新型装饰材料有限公司 | Environment-friendly domestic garbage recycling treatment process |
CN115430691B (en) * | 2022-07-16 | 2023-09-08 | 清远市鑫叶新型装饰材料有限公司 | Environment-friendly household garbage recycling treatment process |
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