DE1570164C3 - Verfahren zur Rückgewinnung von Hydroxyäthylcellulose aus Folienabfällen - Google Patents
Verfahren zur Rückgewinnung von Hydroxyäthylcellulose aus FolienabfällenInfo
- Publication number
- DE1570164C3 DE1570164C3 DE1570164A DE1570164A DE1570164C3 DE 1570164 C3 DE1570164 C3 DE 1570164C3 DE 1570164 A DE1570164 A DE 1570164A DE 1570164 A DE1570164 A DE 1570164A DE 1570164 C3 DE1570164 C3 DE 1570164C3
- Authority
- DE
- Germany
- Prior art keywords
- hydroxyethyl cellulose
- recovery
- solution
- film waste
- waste
- 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.)
- Expired
Links
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 title description 18
- 239000004354 Hydroxyethyl cellulose Substances 0.000 title description 18
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 title description 18
- 239000002699 waste material Substances 0.000 title description 6
- 238000000034 method Methods 0.000 title description 3
- 238000011084 recovery Methods 0.000 title description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- 235000016976 Quercus macrolepis Nutrition 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid 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
- 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
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- 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
-
- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
- 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)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39430764A | 1964-09-03 | 1964-09-03 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1570164A1 DE1570164A1 (de) | 1969-08-14 |
| DE1570164B2 DE1570164B2 (de) | 1973-06-14 |
| DE1570164C3 true DE1570164C3 (de) | 1974-01-24 |
Family
ID=23558395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1570164A Expired DE1570164C3 (de) | 1964-09-03 | 1965-05-08 | Verfahren zur Rückgewinnung von Hydroxyäthylcellulose aus Folienabfällen |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT263812B (enrdf_load_stackoverflow) |
| BE (1) | BE660124A (enrdf_load_stackoverflow) |
| CH (1) | CH436242A (enrdf_load_stackoverflow) |
| DE (1) | DE1570164C3 (enrdf_load_stackoverflow) |
| ES (1) | ES309552A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1425734A (enrdf_load_stackoverflow) |
| GB (1) | GB1065105A (enrdf_load_stackoverflow) |
| NL (1) | NL6501571A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2570019B (en) * | 2018-09-17 | 2021-04-21 | Impact Laboratories Ltd | Plastic recycling process |
-
1965
- 1965-01-25 GB GB316965A patent/GB1065105A/en not_active Expired
- 1965-02-09 NL NL6501571A patent/NL6501571A/xx unknown
- 1965-02-19 ES ES0309552A patent/ES309552A1/es not_active Expired
- 1965-02-19 AT AT151065A patent/AT263812B/de active
- 1965-02-23 BE BE660124D patent/BE660124A/xx unknown
- 1965-02-25 FR FR7063A patent/FR1425734A/fr not_active Expired
- 1965-03-23 CH CH399065A patent/CH436242A/fr unknown
- 1965-05-08 DE DE1570164A patent/DE1570164C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1570164B2 (de) | 1973-06-14 |
| BE660124A (enrdf_load_stackoverflow) | 1965-06-16 |
| GB1065105A (en) | 1967-04-12 |
| DE1570164A1 (de) | 1969-08-14 |
| AT263812B (de) | 1968-08-12 |
| NL6501571A (enrdf_load_stackoverflow) | 1966-03-04 |
| CH436242A (fr) | 1967-05-31 |
| FR1425734A (fr) | 1966-01-24 |
| ES309552A1 (es) | 1965-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |