WO2015051977A1 - Verfahren zum separierenden trennen von schichten eines aus mindestens zwei schichten gebildeten verbundbauteils - Google Patents
Verfahren zum separierenden trennen von schichten eines aus mindestens zwei schichten gebildeten verbundbauteils Download PDFInfo
- Publication number
- WO2015051977A1 WO2015051977A1 PCT/EP2014/069691 EP2014069691W WO2015051977A1 WO 2015051977 A1 WO2015051977 A1 WO 2015051977A1 EP 2014069691 W EP2014069691 W EP 2014069691W WO 2015051977 A1 WO2015051977 A1 WO 2015051977A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layers
- composite component
- laser beam
- layer
- laser
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005855 radiation Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 3
- 238000011282 treatment Methods 0.000 claims description 5
- 238000010408 sweeping Methods 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 55
- 239000011521 glass Substances 0.000 description 16
- 238000000926 separation method Methods 0.000 description 14
- 238000004064 recycling Methods 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 9
- 239000002699 waste material Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 4
- 229910052729 chemical element Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 2
- 206010011906 Death Diseases 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000013532 laser treatment Methods 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 241000093804 Berzelia galpinii Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000011494 foam glass Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 231100000701 toxic element Toxicity 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
Classifications
-
- 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
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- 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
-
- 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
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Definitions
- the invention relates to a method for the separating separation of layers of a composite component formed from at least two layers.
- a composite component can be formed with a multilayer system.
- encapsulated or laminated valuable materials such as semiconductors or metals, or also inorganic or organic materials, with which layers of a composite component can be formed, are made accessible to a specific recycling after separation.
- Photovoltaic systems modern tablet PCs, displays and smartphones are examples of electronic products, in which so-called
- Multilayer technologies play a major role. As essential,
- transparent / transparent component eg glass
- electrically active / functional layers have been applied and these were usually laminated for protection with plastic films.
- These electrically and / or optically active / functional layers may contain valuable elements such as indium, gallium, arsenic, cadmium, tellurium,
- compound semiconductors gallium arsenide, cadmium telluride, etc.
- conductive structures mobdenum, indium tin oxide
- this object is achieved with a method that the
- At least one laser beam is directed onto the surface of at least one outer layer.
- Laser radiation is to be used for which the material of the layer on which the laser radiation impinges from the outside is at least 40% transparent.
- the focal spot of the laser beam is to be used for which the material of the layer on which the laser radiation impinges from the outside is at least 40% transparent.
- the composite component covers at least 50% of the surface of the composite component by a two-dimensional relative movement between the laser beam and the composite component.
- an energy input takes place, which leads to a release or a reduction in the adhesion of the cohesive connection between the outer layer and at least one further layer.
- the layers are separated and separated.
- a laser beam is directed from one side between two layers. With the energy of the laser beam in the gap between the layers to be separated, the adhesion forces of the interconnected layers can be reduced and the separation made possible.
- a composite component In the layers with which a composite component is formed, it may be plate-shaped inorganic or organic elements, films of polymer or metal, which may have its own adhesion effect for a cohesive connection with one or more further layers. On the surface layers can also with a bonding agent for such a material connection or a
- Be provided adhesion promoter layer They may or may not form a carrier layer for electronic components or other semiconductor elements be such a carrier layer.
- laser radiation with a wavelength in the range 450 nm to 2000 nm or a C0 2 laser.
- laser radiation with a wavelength of 1064 nm which can be emitted, for example, from an NdYAG laser radiation source, can preferably be used.
- a force effect on the composite component can be exerted simultaneously and subsequently by means of mechanical release agents introduced or to be applied between layers to be separated, with which the release process can be supported and / or achieved.
- So wedges can be introduced between layers.
- Such support of the separation of layers can also be achieved with a wire drawn in a gap between layers to be separated.
- Tensile forces can be exerted via acting suction forces.
- the sweeping of the surface of the composite component can preferably be achieved by two-dimensional deflection of the laser beam, as a result, a very high processing speed can be achieved.
- Irradiation to begin on which also a force effect is exercised. Successively, the irradiation of the surface can be shifted from this side to the opposite side. The force applied to the separation force should be maintained until a complete separation has been achieved.
- an energy density in the focal spot can be maintained at a further layer of at least 100 W / cm 2 and / or a laser beam source with a power of at least 5 W, preferably greater than 100 W, can be used.
- the laser beam can be pulsed continuously, preferably also in a wide variety of forms, but a sufficiently large energy input should be achieved which leads to a corresponding heating or other effects, thereby reducing the adhesion forces between interconnected layers.
- Composite components are photovoltaic modules, TFT displays, flat screens and OLEDs.
- targeted influencing such as a temperature increase and / or an increase in pressure at a layer boundary, by means of
- Laser radiation could be influenced, could be achieved in preferably large-scale treatment with laser radiation, the complete or at least the separation of individual layers of the multi-layer system.
- the main components of the multi-layer system such as e.g. Front glass, back glass, laminate or other components as far as possible to be separated as a whole, the overall process is suitable,
- semiconductor-containing multi-layer systems such as photovoltaic modules
- targeted influence eg heating
- a laser beam should over a large area by the at least partially transparent in the irradiation direction first arranged layer for this
- Front material radiate through and can deliver its energy as precisely as possible to a multi-layer material limit to a very large extent.
- the cover layer can be lifted off after or simultaneously with the laser treatment, and the respectively present valuable materials can be supplied with appropriate treatment methods for further utilization.
- the process can also be applied on the back side, so that it is possible to remove a used laminate from the back glass. It is therefore possible to irradiate the composite component from two sides with laser radiation, which can also be done simultaneously.
- the layer on which the laser radiation impinges on the opposite side (back) should also be at least partially transparent to the laser radiation used.
- Figure 1 in schematic form as a sectional view of the principal
- the material as an example of a multi-layer system, consists of front glass, a photoactive layer (cadmium telluride), which has the task of
- the layer 2 (windshield) was separated from the ground and could be easily lifted.
- the semiconductor materials adhered randomly to the lifted glass plate and the EVA film.
- a laminated glass system consisting of two glass panes 2, 2 'firmly joined together by a plastic layer (EVA), was scanned flat with an infrared laser beam.
- the energy of the laser beam 1 was primarily absorbed in the plastic layer.
- an adhesion force reduction which in combination with wedges introduced compressive forces to a complete separation of front and rear glass 2 and 2 'led.
- the focal length of the laser beam 1 was set to 300 mm with optics.
- An NdYAG laser was used as a laser radiation source emitting laser radiation with a wavelength of 1064 nm. It was operated with a power of 10 W.
- the focal spot was moved at a feed rate of 1000 mm / s over the irradiated surface of one of the glass sheets 2 or 2 '.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014004689.2T DE112014004689A5 (de) | 2013-10-10 | 2014-09-16 | Verfahren zum separierenden Trennen von Schichten eines aus mindestens zwei Schichten gebildeten Verbundbauteils |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013016861 | 2013-10-10 | ||
DE102013016861.9 | 2013-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015051977A1 true WO2015051977A1 (de) | 2015-04-16 |
Family
ID=51655700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/069691 WO2015051977A1 (de) | 2013-10-10 | 2014-09-16 | Verfahren zum separierenden trennen von schichten eines aus mindestens zwei schichten gebildeten verbundbauteils |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112014004689A5 (de) |
WO (1) | WO2015051977A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3070541A1 (fr) * | 2017-08-30 | 2019-03-01 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de desassemblage d'un module photovoltaique et installation associee |
CN111477705A (zh) * | 2020-04-15 | 2020-07-31 | 中国科学院电工研究所 | 一种去除晶硅光伏组件背面有机粘结胶膜的方法 |
CN115415288A (zh) * | 2022-09-02 | 2022-12-02 | 重庆远达烟气治理特许经营有限公司科技分公司 | 层压件处理装置 |
CN115503330A (zh) * | 2022-06-27 | 2022-12-23 | 合复新材料科技(无锡)有限公司 | 一种太阳能背板EVA-Si贴合层的界面分离回收方法 |
CN116198056A (zh) * | 2023-01-20 | 2023-06-02 | 中国民用航空飞行学院 | 纤维复合材料的激光回收方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5453111A (en) | 1992-01-15 | 1995-09-26 | Metals Recycling Technologies, Inc. | Method for separation of metals from waste stream |
EP1187224B1 (de) | 2000-09-11 | 2006-03-22 | ANTEC Solar Energy AG | Recycling-Verfahren für CdTe/CdS-Dünnschichtsolarzellenmodule |
EP2133923A2 (de) * | 2008-06-13 | 2009-12-16 | Jenoptik Automatisierungstechnik GmbH | Recycling-Verfahren für Dünnschichtsolarzellenmodule |
DE102011000322A1 (de) | 2011-01-25 | 2012-07-26 | saperatec GmbH | Trennmedium, Verfahren und Anlage zum Trennen von Mehrschichtsystemen |
FR2985263A1 (fr) * | 2011-12-30 | 2013-07-05 | Toray Films Europ | Procede pour le recyclage de films multicouches comprenant des polymeres |
-
2014
- 2014-09-16 DE DE112014004689.2T patent/DE112014004689A5/de active Pending
- 2014-09-16 WO PCT/EP2014/069691 patent/WO2015051977A1/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5453111A (en) | 1992-01-15 | 1995-09-26 | Metals Recycling Technologies, Inc. | Method for separation of metals from waste stream |
EP1187224B1 (de) | 2000-09-11 | 2006-03-22 | ANTEC Solar Energy AG | Recycling-Verfahren für CdTe/CdS-Dünnschichtsolarzellenmodule |
EP2133923A2 (de) * | 2008-06-13 | 2009-12-16 | Jenoptik Automatisierungstechnik GmbH | Recycling-Verfahren für Dünnschichtsolarzellenmodule |
DE102011000322A1 (de) | 2011-01-25 | 2012-07-26 | saperatec GmbH | Trennmedium, Verfahren und Anlage zum Trennen von Mehrschichtsystemen |
FR2985263A1 (fr) * | 2011-12-30 | 2013-07-05 | Toray Films Europ | Procede pour le recyclage de films multicouches comprenant des polymeres |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3070541A1 (fr) * | 2017-08-30 | 2019-03-01 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de desassemblage d'un module photovoltaique et installation associee |
WO2019043331A1 (fr) * | 2017-08-30 | 2019-03-07 | Commissariat à l'énergie atomique et aux énergies alternatives | Procede de desassemblage d'un module photovoltaïque et installation associee |
CN111477705A (zh) * | 2020-04-15 | 2020-07-31 | 中国科学院电工研究所 | 一种去除晶硅光伏组件背面有机粘结胶膜的方法 |
CN115503330A (zh) * | 2022-06-27 | 2022-12-23 | 合复新材料科技(无锡)有限公司 | 一种太阳能背板EVA-Si贴合层的界面分离回收方法 |
CN115415288A (zh) * | 2022-09-02 | 2022-12-02 | 重庆远达烟气治理特许经营有限公司科技分公司 | 层压件处理装置 |
CN115415288B (zh) * | 2022-09-02 | 2024-01-23 | 重庆远达烟气治理特许经营有限公司科技分公司 | 层压件处理装置 |
CN116198056A (zh) * | 2023-01-20 | 2023-06-02 | 中国民用航空飞行学院 | 纤维复合材料的激光回收方法 |
Also Published As
Publication number | Publication date |
---|---|
DE112014004689A5 (de) | 2016-07-21 |
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