KR101105015B1 - 폴리올 폐기물의 재생 방법 - Google Patents
폴리올 폐기물의 재생 방법 Download PDFInfo
- Publication number
- KR101105015B1 KR101105015B1 KR20090044287A KR20090044287A KR101105015B1 KR 101105015 B1 KR101105015 B1 KR 101105015B1 KR 20090044287 A KR20090044287 A KR 20090044287A KR 20090044287 A KR20090044287 A KR 20090044287A KR 101105015 B1 KR101105015 B1 KR 101105015B1
- Authority
- KR
- South Korea
- Prior art keywords
- polyol
- catalyst
- waste
- reactor
- solvent
- Prior art date
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Classifications
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- 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
- C08J11/18—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 by treatment with organic material
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- 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
- B29B17/04—Disintegrating plastics, e.g. by milling
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
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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
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Polyethers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
Claims (5)
- 폴리올 폐기물의 재생 방법에 있어서,촉매와 흡착된 중화제염과 물을 반응기어 넣어 교반시켜 폴리올과 중화제염으로 분리시킨 후, 이를 여과기를 사용하여 여과시켜 폴리올과 물로 이루어진 여액과 중화제염으로 분리하는 단계와;통상의 반응기에 상기 여액과 중화제염을 각각 투입한 다음, 이를 50~400rpm의 속도로 교반시킨 후, 이를 다시 65℃ 이상의 온도를 유지하면서 가열하여 상기 물을 증발 및 응축시켜 회수하고 상기 반응기 내의 잔류물질인 폴리올을 여과기에 투입하여 여과하면서 상기 중화제염을 제거하면서 상기 폴리올을 추출하는 단계와;상기 중화제염과 알콜류를 반응기에 넣어 교반 및 분산시키고, 여과기를 사용하여 여과하여 상기 여과기를 통과한 촉매와 알콜류로 이루어진 여액과 상기 여과기 내에 잔류되어 있는 중화제로 분리하는 단계와;상기 여액이 담겨져 있는 반응기를 가열하여 상기 알콜류를 증류시켜 냉각 응축하여 회수한 다음, 상기 반응기에 남아있는 촉매를 추출하고, 상기 여과기 내에 남아있는 중화제를 건조하여 추출하는 단계로 이루어짐을 특징으로 하는 폴리올 폐기물의 재생 방법.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090044287A KR101105015B1 (ko) | 2009-05-21 | 2009-05-21 | 폴리올 폐기물의 재생 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090044287A KR101105015B1 (ko) | 2009-05-21 | 2009-05-21 | 폴리올 폐기물의 재생 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100125529A KR20100125529A (ko) | 2010-12-01 |
KR101105015B1 true KR101105015B1 (ko) | 2012-01-16 |
Family
ID=43503616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20090044287A KR101105015B1 (ko) | 2009-05-21 | 2009-05-21 | 폴리올 폐기물의 재생 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101105015B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101310953B1 (ko) * | 2013-04-11 | 2013-09-23 | 주식회사 지성 | 폴리올폐기물로부터의 폴리올 회수방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980042613A (ko) * | 1996-11-21 | 1998-08-17 | 고지마아끼로 | 아다만타놀의 분리 방법 |
KR19980070889A (ko) * | 1997-01-27 | 1998-10-26 | 크누트샤우에르테 | 폴리에테르 폴리올의 제조 방법 |
KR100626773B1 (ko) | 2002-12-20 | 2006-09-25 | 호도가야 가가쿠 고교 가부시키가이샤 | 분자량 분포가 좁은 폴리에테르-폴리올의 제조 방법 |
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2009
- 2009-05-21 KR KR20090044287A patent/KR101105015B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980042613A (ko) * | 1996-11-21 | 1998-08-17 | 고지마아끼로 | 아다만타놀의 분리 방법 |
KR19980070889A (ko) * | 1997-01-27 | 1998-10-26 | 크누트샤우에르테 | 폴리에테르 폴리올의 제조 방법 |
KR100626773B1 (ko) | 2002-12-20 | 2006-09-25 | 호도가야 가가쿠 고교 가부시키가이샤 | 분자량 분포가 좁은 폴리에테르-폴리올의 제조 방법 |
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KR20100125529A (ko) | 2010-12-01 |
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