DE1570164C3 - Verfahren zur Rückgewinnung von Hydroxyäthylcellulose aus Folienabfällen - Google Patents

Verfahren zur Rückgewinnung von Hydroxyäthylcellulose aus Folienabfällen

Info

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
Application number
DE1570164A
Other languages
German (de)
English (en)
Other versions
DE1570164A1 (de
DE1570164B2 (de
Inventor
Douglas Parsippany Allen
Reid Logan Mitchell
Charles Francis Murphy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Micronas GmbH
Original Assignee
Deutsche ITT Industries GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deutsche ITT Industries GmbH filed Critical Deutsche ITT Industries GmbH
Publication of DE1570164A1 publication Critical patent/DE1570164A1/de
Publication of DE1570164B2 publication Critical patent/DE1570164B2/de
Application granted granted Critical
Publication of DE1570164C3 publication Critical patent/DE1570164C3/de
Expired legal-status Critical Current

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
    • 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)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE1570164A 1964-09-03 1965-05-08 Verfahren zur Rückgewinnung von Hydroxyäthylcellulose aus Folienabfällen Expired DE1570164C3 (de)

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 (US07179912-20070220-C00144.png)
BE (1) BE660124A (US07179912-20070220-C00144.png)
CH (1) CH436242A (US07179912-20070220-C00144.png)
DE (1) DE1570164C3 (US07179912-20070220-C00144.png)
ES (1) ES309552A1 (US07179912-20070220-C00144.png)
FR (1) FR1425734A (US07179912-20070220-C00144.png)
GB (1) GB1065105A (US07179912-20070220-C00144.png)
NL (1) NL6501571A (US07179912-20070220-C00144.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2570019B (en) * 2018-09-17 2021-04-21 Impact Laboratories Ltd Plastic recycling process

Also Published As

Publication number Publication date
CH436242A (fr) 1967-05-31
DE1570164A1 (de) 1969-08-14
BE660124A (US07179912-20070220-C00144.png) 1965-06-16
ES309552A1 (es) 1965-05-16
AT263812B (de) 1968-08-12
GB1065105A (en) 1967-04-12
DE1570164B2 (de) 1973-06-14
FR1425734A (fr) 1966-01-24
NL6501571A (US07179912-20070220-C00144.png) 1966-03-04

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)