KR20230147917A - 재생 폴리염화비닐 재료 - Google Patents
재생 폴리염화비닐 재료 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 153
- 229920000915 polyvinyl chloride Polymers 0.000 title claims description 271
- 239000004800 polyvinyl chloride Substances 0.000 title claims description 271
- -1 Poly(vinyl chloride) Polymers 0.000 title description 15
- 238000000034 method Methods 0.000 claims abstract description 184
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 103
- 239000002699 waste material Substances 0.000 claims abstract description 89
- 238000004519 manufacturing process Methods 0.000 claims abstract description 43
- 239000002904 solvent Substances 0.000 claims description 127
- 239000000203 mixture Substances 0.000 claims description 66
- 238000002156 mixing Methods 0.000 claims description 54
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 29
- 238000005191 phase separation Methods 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 25
- 239000007864 aqueous solution Substances 0.000 claims description 18
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 11
- 150000002576 ketones Chemical class 0.000 claims description 10
- 150000003839 salts Chemical group 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 8
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 4
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 4
- 239000011260 aqueous acid Substances 0.000 claims 1
- 125000000468 ketone group Chemical group 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 230000000704 physical effect Effects 0.000 abstract description 17
- 239000012535 impurity Substances 0.000 abstract description 16
- 238000004064 recycling Methods 0.000 abstract description 16
- 239000000654 additive Substances 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000011282 treatment Methods 0.000 description 33
- 239000003795 chemical substances by application Substances 0.000 description 31
- 239000003125 aqueous solvent Substances 0.000 description 23
- 239000002245 particle Substances 0.000 description 23
- 239000011347 resin Substances 0.000 description 23
- 229920005989 resin Polymers 0.000 description 23
- 150000003997 cyclic ketones Chemical class 0.000 description 22
- 238000001914 filtration Methods 0.000 description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 18
- 239000012071 phase Substances 0.000 description 18
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 16
- 238000005259 measurement Methods 0.000 description 15
- 239000002861 polymer material Substances 0.000 description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 11
- 125000004432 carbon atom Chemical group C* 0.000 description 11
- 238000001035 drying Methods 0.000 description 11
- 238000000227 grinding Methods 0.000 description 11
- 238000005481 NMR spectroscopy Methods 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000004817 gas chromatography Methods 0.000 description 8
- 239000012074 organic phase Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000011069 regeneration method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000002411 thermogravimetry Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 238000011088 calibration curve Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000004993 emission spectroscopy Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- 238000009616 inductively coupled plasma Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 239000011164 primary particle Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-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
- 239000000460 chlorine Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 2
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- JQCXWCOOWVGKMT-UHFFFAOYSA-N phthalic acid diheptyl ester Natural products CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC JQCXWCOOWVGKMT-UHFFFAOYSA-N 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000011163 secondary particle Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- 229940060894 topex Drugs 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 101100064317 Arabidopsis thaliana DTX41 gene Proteins 0.000 description 1
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000005406 washing Methods 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
- C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
도 2는 합성된 PVC 입자에 대한 SEM(Scanning Electron Microscope) 이미지이다.
도 3은 폐기물에서 회수된 재료에 대한 1H NMR 분석 결과이다.
도 4는 일반 PVC에 대한 1H NMR 분석 결과이다.
도 5는 실시예 1에서 재생된 재생 PVC 재료에 대한 사진이다.
도 6 내지 8은 각각 비교예 1 내지 3에서 재생된 재생 PVC 재료에 대한 사진이다.
실시예 | 비교예 | ||||
1 | 1 | 2 | 3 | ||
불순물 함량 (ppm) |
Pb | 10 | 10 | 10 | 10 |
Cd | 1 이하 | 1 이하 | 1 이하 | 1 이하 | |
가소제 | 500 이하 | 500 이하 | 500 이하 | 500 이하 | |
CyH 함량(ppm) | 약 100 | 약 100 | 약 100 | 약 100 | |
색좌표 | L | 92 | 50 | 78 | 60 |
a | -0.3 | -0.4 | -0.7 | -1.0 | |
b | 5.04 | 4.76 | 11.83 | 9.3 | |
(a2+b2)1/2 | 5.05 | 4.78 | 11.85 | 9.35 | |
분자량(×10000) | Mw | 18 | 18 | 18 | 18 |
Mn | 9 | 9 | 9 | 9 |
시편A | 시편B | 시편C | 시편D | |
인장강도(MPa) | 19.93 | 20.97 | 23.34 | 24.93 |
인장탄성률(MPa) | 6198 | 6478 | 6610 | 6983 |
신율(mm) | 3.27 | 3.36 | 3.39 | 3.94 |
Claims (15)
- 폴리염화비닐을 포함하는 폐기물과 양용매를 혼합하여 혼합물을 제조하는 제 1 단계;
상기 혼합물로부터 중금속을 제거하는 제 2 단계; 및
상기 혼합물을 폴리염화비닐에 대한 비용매와 혼합하는 제 3 단계를 포함하고,
상기 폐기물에 포함된 폴리염화비닐을 색 조정제와 접촉시키는 단계를 추가로 포함하고,
상기 색 조정제는, 염 또는 활성탄인 재생 폴리염화비닐 재료의 제조 방법. - 제 1 항에 있어서, 염은 황산 마그네슘, 황산 알루미늄 또는 황산 칼슘을 포함하는 재생 폴리염화비닐 재료의 제조 방법.
- 제 1 항에 있어서, 폐기물은 폐창호인 재생 폴리염화비닐 재료의 제조 방법.
- 제 1 항에 있어서, 폴리염화비닐을 색 조정제와 접촉시키는 단계는,
상기 폴리염화비닐을 상기 색 조정제와 혼합하는 단계; 및
상기 폴리염화비닐을 상기 색 조정제가 존재하는 여과재에 통과시키는 단계로 이루어진 군에서 선택된 하나 이상의 단계를 포함하는 재생 폴리염화비닐 재료의 제조 방법. - 제 1 항에 있어서, 양용매는 케톤 또는 테트라하이드로퓨란인 재생 폴리염화비닐 재료의 제조 방법.
- 제 5 항에 있어서, 케톤은 몰질량이 70 내지 150 g/mol의 범위 내인 재생 폴리염화비닐 재료의 제조 방법.
- 제 5 항에 있어서, 케톤은 비점이 130℃ 내지 200℃의 범위 내인 재생 폴리염화비닐 재료의 제조 방법.
- 제 5 항에 있어서, 케톤은, 20℃에서의 수용해도가 15 g/100mL 이하인 재생 폴리염화비닐 재료의 제조 방법.
- 제 5 항에 있어서, 케톤은 20℃에서의 증기압이 1 내지 10 mmHg의 범위 내에 있는 재생 폴리염화비닐 재료의 제조 방법.
- 제 1 항에 있어서, 중금속을 제거하는 단계는 혼합물을 중금속 제거제와 혼합하는 단계인 재생 폴리염화비닐 재료의 제조 방법.
- 제 10 항에 있어서, 중금속 제거제는, 산(acid) 수용액 또는 PAC(poly aluminum chloride)인 재생 폴리염화비닐 재료의 제조 방법.
- 제 11 항에 있어서, 산 수용액은 산의 몰 농도가 0.1 내지 10 M의 범위 내인 재생 폴리염화비닐 재료의 제조 방법.
- 제 11 항에 있어서, 폐기물과 양용매의 혼합물에서 상분리를 유도하는 단계를 추가로 포함하는 재생 폴리염화비닐 재료의 제조 방법.
- 제 1 항에 있어서, 비용매는 알코올을 포함하는 재생 폴리염화비닐 재료의 제조 방법.
- 제 1 항에 있어서, 폐기물과 양용매를 혼합하여 혼합물을 제조하는 단계; 상기 혼합물로부터 중금속을 제거하는 단계; 및 상기 혼합물을 폴리염화비닐에 대한 비용매와 혼합하는 단계가 100℃ 이하에서 진행되는 재생 폴리염화비닐의 제조 방법.
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