CN110181714A - A kind of recycling and reusing method of polymer matrix composite waste - Google Patents
A kind of recycling and reusing method of polymer matrix composite waste Download PDFInfo
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- CN110181714A CN110181714A CN201910485043.6A CN201910485043A CN110181714A CN 110181714 A CN110181714 A CN 110181714A CN 201910485043 A CN201910485043 A CN 201910485043A CN 110181714 A CN110181714 A CN 110181714A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 229920013657 polymer matrix composite Polymers 0.000 title claims abstract description 27
- 239000011160 polymer matrix composite Substances 0.000 title claims abstract description 27
- 238000004064 recycling Methods 0.000 title claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 42
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000005336 cracking Methods 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000000295 fuel oil Substances 0.000 claims abstract description 10
- 229910001882 dioxygen Inorganic materials 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 7
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- 229920005992 thermoplastic resin Polymers 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 11
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 229920000049 Carbon (fiber) Polymers 0.000 description 13
- 239000004917 carbon fiber Substances 0.000 description 13
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 239000003365 glass fiber Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 description 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 description 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 description 1
- 239000010786 composite waste Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The present invention relates to waste recovery reutilization technology fields, a kind of more particularly to recycling and reusing method of polymer matrix composite waste, it the described method comprises the following steps: in oxygen-free environment, after polymer matrix composite waste is carried out microwave cracking reaction, it is passed through oxygen-containing gas, microwave oxidation reaction is carried out, composite material reinforcement body is recycled；The product of the microwave cracking reaction is composite material reinforcement body, fuel oil and non-condensable gas；The composite material reinforcement body carries out microwave oxidation reaction.The basic lack of polymeric residue in reinforcement surface that the present invention recycles, any surface finish zero defect.The microwave can rapid and uniform heating composite scrap object, improve oil, gas and composite material reinforcement body the rate of recovery, realize the resource utilization of polymer matrix composite.The above method can shorten the reaction time, simplify reaction process, it is energy-saving and have significant ground environment protecting.
Description
Technical field
The present invention relates to waste recovery reutilization technology field more particularly to a kind of polymer matrix composite wastes
Recycling and reusing method.
Background technique
Currently, polymer matrix composite is because it has many advantages, such as that intensity is high, durability is good, light-weight, high temperature high voltage resistant,
It is widely used in fields such as building, aviation, sports goods, wind energy and communications and transportation, therefore, worldwide has huge
Production and consumption.With the rapid growth of polymer matrix composite service life, the polymer matrix for reaching service life is multiple
A large amount of leftover bits and inferior waste product etc. are generated in the recycling of condensation material waste and resource utilization and production process
Reason, becomes a significant challenge of sustainable economic development, resources effective utilization and environmental requirement.
The method of conventional treatment Polymer based composites waste is to burn and fill, since it is difficult to biodegrade,
It will cause atmosphere pollution and soil pollution, many countries promulgate relevant laws and regulations in succession in recent years, it is forbidden to burn and fill out
It buries.Therefore, how to handle polymer matrix composite waste is one of key areas of current research.
The Chinese patent of Publication No. CN105254918A discloses a kind of mixed solution pair using dimethylbenzene and butanol
Polymer matrix composite is dissolved and is separated by filtration, the method that polymer and solvent is separately recovered, the method operation letter
Single, recovery utilization rate is high；But the above method needs to crush the polymer matrix composite before being dissolved, described
So that the reinforcement in polymer matrix composite is seriously damaged in crushing process, it is after the recovery to significantly reduce reinforcement
Value, and a large amount of solvents are used, serious pollution can be generated to environment, operating process is complicated, is not easy to industrialize.
Summary of the invention
The recycling of the purpose of the present invention is to provide a kind of polymer matrix composite waste with universality is sharp again
Use method.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of recycling and reusing methods of polymer matrix composite waste, comprising the following steps:
In oxygen-free environment, after polymer matrix composite waste is carried out microwave cracking reaction, it is passed through oxygen-containing gas,
Microwave oxidation reaction is carried out, composite material reinforcement body is recycled；
The product of the microwave cracking reaction is composite material reinforcement body, fuel oil and non-condensable gas.
Preferably, in the microwave cracking reaction and the microwave oxidation reaction process, the microwave frequency of feed-in is 2450
± 50MHz or 915 ± 50MHz.
Preferably, 350~950 DEG C of temperature of microwave cracking reaction, the time of the microwave cracking reaction is 20~
120min。
Preferably, the temperature of the microwave oxidation reaction is 350~500 DEG C, and the time of the microwave oxidation reaction is 20
~120min.
Preferably, the oxygen-containing gas is air, nitrogen oxygen atmosphere or argon oxygen gas mixture；
Percent by volume >=21% of oxygen in the nitrogen oxygen atmosphere or argon oxygen gas mixture.
Preferably, the polymeric matrix in the polymer matrix composite waste is thermosetting resin, thermoplastic resin
One or more of rouge and rubber.
Preferably, the composite material reinforcement body is fiber-like reinforcement and/or dry goods reinforcement.
The present invention provides a kind of recycling and reusing methods of polymer matrix composite waste, comprising the following steps:
In oxygen-free environment, after polymer matrix composite waste is carried out microwave cracking reaction, it is passed through oxygen-containing gas, carries out microwave
Oxidation reaction recycles composite material reinforcement body；The product of microwave cracking reaction is composite material reinforcement body, fuel oil and not
Condensable gases.The present invention makes polymeric matrix that cracking reaction occur in oxygen-free environment, while guaranteeing that reinforcement does not occur instead
It answers, to remove polymeric matrix, then oxidation removal composite material reinforcement body surface deposits carbon, and recycling has superperformance
Reinforcement, the basic lack of polymeric residue in reinforcement surface, any surface finish zero defect.Microwave can be quick and be evenly heated poly-
Object based composites waste is closed, the rate of recovery of fuel oil, non-condensable gas and composite material reinforcement body is improved, realizes polymerization
The resource utilization of object based composites；The reaction time can be shortened, simplify reaction process, it is energy-saving and have significant
Environment protecting.
Detailed description of the invention
Fig. 1 is the flow chart of polymer matrix composite scrap concrete reuse method of the present invention；
Fig. 2 is the pictorial diagram that embodiment 2 recycles carbon fiber；
Fig. 3 is the scanning electron microscope (SEM) photograph that embodiment 2 recycles carbon fiber.
Specific embodiment
The present invention provides a kind of recycling and reusing methods of polymer matrix composite waste, comprising the following steps:
In oxygen-free environment, after polymer matrix composite waste is carried out microwave cracking reaction, it is passed through oxygen-containing gas,
Microwave oxidation reaction is carried out, composite material reinforcement body is recycled；
The product of the microwave cracking reaction is composite material reinforcement body, fuel oil and non-condensable gas.
The present invention after polymer matrix composite waste is carried out microwave cracking reaction, is passed through and contains in oxygen-free environment
Carrier of oxygen carries out microwave oxidation reaction, recycles composite material reinforcement body.In the present invention, the oxygen-free environment is preferably vacuum
Or protective atmosphere；The present invention does not have any special restriction to the vacuum degree of the vacuum.In the present invention, the protective atmosphere
Preferably inert gas；The present invention does not have any special restriction to the type of the inert gas, using those skilled in the art
Inert gas type known to member.
In the present invention, the polymeric matrix in the polymer matrix composite waste be preferably thermosetting resin,
One or more of thermoplastic resin and rubber.In the present invention, the polymer matrix of the polymer composites waste
Body is more preferably thermosetting resin, and the thermosetting resin is preferably epoxy resin.
In the present invention, in the microwave cracking reaction process, the microwave frequency of feed-in be preferably 2450 ± 50MHz or
915±50MHz；The temperature of the microwave cracking reaction is preferably 350~950 DEG C；The time of the microwave cracking reaction is preferred
For 20~120min.In the present invention, the temperature of the microwave cracking reaction can guarantee that polymer completes cracking, Jin Eryou
Effect removal polymer, while can also guarantee composite material reinforcement body better performances after the recovery.
After the reaction was completed, the gas that the present invention preferably generates microwave cracking reaction condenses microwave cracking, and respectively
Collect the fuel oil generated after condensation and non-condensable gas.The present invention uses the no any special restriction of condensation
Condensation process well known to those skilled in the art is condensed.After the completion of condensation, the present invention preferably to obtained gas into
Row separating-purifying obtains non-condensable gas, carries out layering refinement to obtained oil and obtains fuel oil；The present invention is to the separation
No any special restriction is purified, is carried out using separating-purifying process well known to those skilled in the art；The present invention couple
The layering is refined also without any special restriction, is refined i.e. using layering well known to those skilled in the art
It can；The present invention also without any special restriction, collected the collected process using well known to those skilled in the art
Journey is collected.
In the present invention, by taking carbon fibre reinforced composite as an example, the non-condensable gas includes CH4、C2H4、C2H6With
C3H6One or more of, but it is not limited only to above-mentioned gas.
In the present invention, by taking carbon fibre reinforced composite as an example, the rate of recovery of carbon fiber is up to 80~95%；With glass
For fibre reinforced composites, the rate of recovery of glass fibre is up to 90%~100%.
It is in the present invention, described that have carrier of oxygen be preferably air, nitrogen oxygen atmosphere or argon oxygen gas mixture；The nitrogen oxygen mixing
Percent by volume >=21% of oxygen in gas or argon oxygen gas mixture.
In the present invention, in the microwave oxidation reaction process, the microwave frequency of feed-in be preferably 2450 ± 50MHz or
915±50MHz.The temperature of the microwave oxidation reaction is preferably 350~500 DEG C；The time of the microwave oxidation reaction is preferred
For 20~120min.
In the present invention, the temperature of the microwave oxidation reaction can effectively remove the deposition carbon on reinforcement surface, and control
The rate of microwave oxidation reaction processed improves the performance and the rate of recovery of composite material reinforcement body.
After microwave oxidation reaction, the present invention preferably cools down the product after microwave oxidation reaction, obtains composite material
Reinforcement；The cooling is preferably natural cooling.
In the present invention, the composite material reinforcement body is fiber-like reinforcement and/or dry goods reinforcement.
In the present invention, the fiber-like reinforcement is preferably carbon fiber or glass fibre；The dry goods reinforcement is excellent
It is selected as fabric.
Below with reference to embodiment to the recycling and reusing method of polymer matrix composite waste provided by the invention into
Row detailed description, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Glass fiber reinforced epoxy resin based composites waste having a size of 10 × 10 × 2cm is put into microwave heating
In the burner hearth of device, it is passed through inert gas, control microwave power is 2450MHz, and being heated to temperature is 450 DEG C, carries out microwave and splits
40min is solved, fuel oil and non-condensable gas are collected in condensation；It is passed through air, keeps 30min to carry out microwave oxidation at 450 DEG C
After reaction, 100 DEG C are naturally cooling to hereinafter, obtaining glass fiber reinforcements, the glass fiber reinforcements surface is smooth complete,
Substantially without epoxy resin and deposition carbon residual, form and performance are uniform.The glass fibre rate of recovery is 90%~100%, after recycling
Fiberglass tensile intensity is the 80~95% of bare glass fibre.
Embodiment 2
As shown in Figure 1, the carbon fiber reinforced epoxy resin-based composite waste having a size of 20 × 5 × 2cm is put into
In the burner hearth of microwave heating equipment, it is passed through inert gas, control microwave power is 2450MHz, and being heated to temperature is 500 DEG C, into
Fuel oil and non-condensable gas are collected in row microwave cracking 30min, condensation；It is passed through air, keeps 40min to carry out at 400 DEG C
After microwave oxidation reaction, 100 DEG C are naturally cooling to hereinafter, obtaining carbon fiber reinforcement, Fig. 2 is the photograph of the recycling carbon fiber
Piece, as seen from the figure, the carbon fiber successfully extract；Fig. 3 is the scanning electron microscope (SEM) photograph of the carbon fiber reinforcement, as seen from the figure, institute
It is smooth complete to state carbon fiber reinforcement surface, substantially without epoxy resin and deposition carbon residual, form and performance are uniform.Carbon fiber returns
Yield is 80%~95%, and carbon fiber tensile strength is the 75~90% of original carbon fiber after recycling.
As seen from the above embodiment, the basic lack of polymeric residue in reinforcement surface that method provided by the invention obtains, table
The bright and clean zero defect in face.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of recycling and reusing method of polymer matrix composite waste, comprising the following steps:
In oxygen-free environment, after polymer matrix composite waste is carried out microwave cracking reaction, it is passed through oxygen-containing gas, is carried out
Microwave oxidation reaction recycles composite material reinforcement body；
The product of the microwave cracking reaction is composite material reinforcement body, fuel oil and non-condensable gas.
2. recycling and reusing method as described in claim 1, which is characterized in that the microwave cracking reaction and the microwave oxygen
Change in reaction process, the microwave frequency of feed-in is 2450 ± 50MHz or 915 ± 50MHz.
3. recycling and reusing method as described in claim 1, which is characterized in that the temperature 350 of the microwave cracking reaction~
950 DEG C, the time of the microwave cracking reaction is 20~120min.
4. recycling and reusing method as described in claim 1, which is characterized in that the temperature of the microwave oxidation reaction is 350
~500 DEG C, the time of the microwave oxidation reaction is 20~120min.
5. recycling and reusing method as described in claim 1, which is characterized in that the oxygen-containing gas is air, the mixing of nitrogen oxygen
Gas or argon oxygen gas mixture；
Percent by volume >=21% of oxygen in the nitrogen oxygen atmosphere or argon oxygen gas mixture.
6. method as claimed in any one of claims 1 to 5, which is characterized in that in the polymer matrix composite waste
Polymeric matrix be one or more of thermosetting resin, thermoplastic resin and rubber.
7. the method as described in claim 1, which is characterized in that the composite material reinforcement body be fiber-like reinforcement and/or
Dry goods reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485043.6A CN110181714A (en) | 2019-06-05 | 2019-06-05 | A kind of recycling and reusing method of polymer matrix composite waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485043.6A CN110181714A (en) | 2019-06-05 | 2019-06-05 | A kind of recycling and reusing method of polymer matrix composite waste |
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Cited By (2)
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| CN113021680A (en) * | 2021-03-12 | 2021-06-25 | 昆明理工大学 | Method for separating and recovering all components of waste sucker rod |
| CN113278438A (en) * | 2021-05-31 | 2021-08-20 | 西安热工研究院有限公司 | Coal-fired power plant-based microwave pyrolysis treatment system and method for waste wind power blades |
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Cited By (3)
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Application publication date: 20190830 |