JPH08505651A - ナイロン6,6との混合物からのナイロン6分離 - Google Patents
ナイロン6,6との混合物からのナイロン6分離Info
- Publication number
- JPH08505651A JPH08505651A JP51614594A JP51614594A JPH08505651A JP H08505651 A JPH08505651 A JP H08505651A JP 51614594 A JP51614594 A JP 51614594A JP 51614594 A JP51614594 A JP 51614594A JP H08505651 A JPH08505651 A JP H08505651A
- Authority
- JP
- Japan
- Prior art keywords
- nylon
- polymer
- mixture
- solution
- acetic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Polyamides (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. ナイロン6ポリマーとナイロン6,6ポリマーの混合物からナイロン6 ポリマーを取り出す方法において、ナイロン6,6ポリマーを残しながらナイロ ン6ポリマーを大気圧下で溶解させるに充分な濃度および温度の炭素数が1−6 の脂肪族カルボン酸の水溶液を用いて該混合物を処理した後、このナイロン6の 溶液をそのナイロン6,6ポリマーから分離することを含む方法。 2. 該カルボン酸が酢酸である請求の範囲1記載の方法。 3. 該酢酸の水溶液が50から70%の濃度を示す請求の範囲2記載の方法 。 4. ナイロン6ポリマーとナイロン6,6ポリマーの混合物からナイロン6 ポリマーを取り出す方法において、両方のポリマーを大気圧下で溶解させるに充 分な濃度および温度の炭素数が1−6の脂肪族カルボン酸またはそれの水溶液を 用いて該混合物を処理し、この溶液を冷却してナイロン6,6ポリマーを優先的 に沈澱させた後、この溶液をその沈澱したナイロン6,6ポリマーから分離する ことを含む方法。 5. 該ポリマー混合物を酢酸の水溶液で処理する請求の範囲4記載の方法。 6. 該酢酸の水溶液が少なくとも70%の濃度を示す請求の範囲5記載の方 法。 7. 該混合内のナイロン6とナイロン6,6が消費者廃棄製品と混合されて いる繊維の形態である請求の範囲1または4記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/004,619 US5280105A (en) | 1993-01-14 | 1993-01-14 | Separation of nylon 6 from mixtures with nylon 6,6 |
US08/004,619 | 1993-01-14 | ||
PCT/US1994/000070 WO1994016004A1 (en) | 1993-01-14 | 1994-01-06 | Separation of nylon 6 from mixtures with nylon 6,6 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08505651A true JPH08505651A (ja) | 1996-06-18 |
JP3310293B2 JP3310293B2 (ja) | 2002-08-05 |
Family
ID=21711655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51614594A Expired - Lifetime JP3310293B2 (ja) | 1993-01-14 | 1994-01-06 | ナイロン6,6との混合物からのナイロン6分離 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5280105A (ja) |
EP (1) | EP0679169B1 (ja) |
JP (1) | JP3310293B2 (ja) |
AU (1) | AU5989794A (ja) |
CA (1) | CA2153663C (ja) |
DE (1) | DE69403440T2 (ja) |
WO (1) | WO1994016004A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3571726B2 (ja) * | 1995-01-25 | 2004-09-29 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | 溶液プロセスを用いるポリアミドの回収 |
BE1009547A3 (nl) * | 1995-08-23 | 1997-05-06 | Dsm Nv | Werkwijze voor het herverwerken van polyamidehoudend tapijtafval. |
US5898063A (en) * | 1997-02-18 | 1999-04-27 | Stefandl; Roland E. | Carpet recycling process for nylon containing carpeting |
US6140463A (en) * | 1997-02-18 | 2000-10-31 | Stefandl; Roland E. | Process for recycling and recovery of purified nylon polymer |
US5889142A (en) * | 1997-04-21 | 1999-03-30 | Alliedsignal Inc. | Selective polyamide recovery from multi-component materials |
US5919927A (en) * | 1998-04-09 | 1999-07-06 | Midwest Research Institute | Purification of caprolactam from recycled nylon |
EP1294796B1 (en) * | 2000-06-08 | 2006-08-02 | E.I.Du pont de nemours and company | Solvent-based recovery and recycle of polyamide material |
DE10140913A1 (de) * | 2001-08-21 | 2003-03-06 | Der Gruene Punkt Duales Syst | Verfahren zur Reinigung von Kunststoffen |
US7067613B2 (en) * | 2004-06-04 | 2006-06-27 | Chemical Products Corporation | Separation of polyolefins from nylons |
US20060069170A1 (en) * | 2004-09-27 | 2006-03-30 | Chemical Products Corporation | Decomposition of Polyester |
US20060070188A1 (en) * | 2004-09-27 | 2006-04-06 | Chemical Products Corporation | Colorant Removal from Polymeric Fibers |
US8071656B2 (en) * | 2009-03-03 | 2011-12-06 | Dynasep Llc | Nylon extraction from commingled materials |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1009592A (en) * | 1964-03-09 | 1965-11-10 | Us Rubber Reclaiming Co | Process for reclaiming nylon and reclaimed nylon product |
US3475771A (en) * | 1965-06-28 | 1969-11-04 | Celanese Corp | Treatment of synthetic polyamide materials with a mixture of halogenated alkanes and halogenated monocarboxylic acids |
DE3834859A1 (de) * | 1988-10-13 | 1990-04-19 | Basf Lacke & Farben | Verfahren zur herstellung lagerstabiler schmelzklebelackloesungen sowie deren verwendung |
-
1993
- 1993-01-14 US US08/004,619 patent/US5280105A/en not_active Expired - Lifetime
-
1994
- 1994-01-06 JP JP51614594A patent/JP3310293B2/ja not_active Expired - Lifetime
- 1994-01-06 EP EP19940906009 patent/EP0679169B1/en not_active Expired - Lifetime
- 1994-01-06 DE DE1994603440 patent/DE69403440T2/de not_active Expired - Lifetime
- 1994-01-06 AU AU59897/94A patent/AU5989794A/en not_active Abandoned
- 1994-01-06 WO PCT/US1994/000070 patent/WO1994016004A1/en active IP Right Grant
- 1994-01-06 CA CA 2153663 patent/CA2153663C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3310293B2 (ja) | 2002-08-05 |
EP0679169A1 (en) | 1995-11-02 |
EP0679169B1 (en) | 1997-05-28 |
WO1994016004A1 (en) | 1994-07-21 |
CA2153663A1 (en) | 1994-07-21 |
DE69403440T2 (de) | 1998-01-02 |
CA2153663C (en) | 2004-04-27 |
US5280105A (en) | 1994-01-18 |
AU5989794A (en) | 1994-08-15 |
DE69403440D1 (de) | 1997-07-03 |
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