NL7019046A - Aromatic polyester recovery - by heating polyester with surface active agent - Google Patents
Aromatic polyester recovery - by heating polyester with surface active agentInfo
- Publication number
- NL7019046A NL7019046A NL7019046A NL7019046A NL7019046A NL 7019046 A NL7019046 A NL 7019046A NL 7019046 A NL7019046 A NL 7019046A NL 7019046 A NL7019046 A NL 7019046A NL 7019046 A NL7019046 A NL 7019046A
- Authority
- NL
- Netherlands
- Prior art keywords
- polyester
- surface active
- heating
- active agent
- aromatic
- Prior art date
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
- C08J11/10—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
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
High mol. wt. aromatic polyester is made workable by heating the polyester in the presence of a surface active cpd. Specif., a nonionic surfactant is used. Wt. ratio of surfactant to polyester is between 0.01 and 0.5. The polyester is heated to 90-250 degrees C. Method is used for recovering waste aromatic polyesters for further processing. The waste polyester is rapidly converted into a pdt. which can be used as a component in synthetic waxes, or a raw material for unsatd. polyesters, alkyd resins, polyesteramides and polyurethanes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7019046A NL7019046A (en) | 1970-12-31 | 1970-12-31 | Aromatic polyester recovery - by heating polyester with surface active agent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7019046A NL7019046A (en) | 1970-12-31 | 1970-12-31 | Aromatic polyester recovery - by heating polyester with surface active agent |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7019046A true NL7019046A (en) | 1972-07-04 |
Family
ID=19811936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7019046A NL7019046A (en) | 1970-12-31 | 1970-12-31 | Aromatic polyester recovery - by heating polyester with surface active agent |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7019046A (en) |
-
1970
- 1970-12-31 NL NL7019046A patent/NL7019046A/en unknown
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