IT978435B - Processo per il recupero di cellu losa rigenerata - Google Patents

Processo per il recupero di cellu losa rigenerata

Info

Publication number
IT978435B
IT978435B IT1956673A IT1956673A IT978435B IT 978435 B IT978435 B IT 978435B IT 1956673 A IT1956673 A IT 1956673A IT 1956673 A IT1956673 A IT 1956673A IT 978435 B IT978435 B IT 978435B
Authority
IT
Italy
Prior art keywords
losa
recovery
regenerated cellu
cellu
regenerated
Prior art date
Application number
IT1956673A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT978435B publication Critical patent/IT978435B/it

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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B16/00—Regeneration of cellulose
    • 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
    • C08J2301/06—Cellulose hydrate
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/911—Recycling consumer used articles or products
    • Y10S264/913—From fiber or filament, or fiber or filament containing article or product, e.g. textile, cloth fabric, carpet, fiberboard
    • Y10S264/914—From cellulose containing articles, e.g. paper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT1956673A 1972-01-25 1973-01-24 Processo per il recupero di cellu losa rigenerata IT978435B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22064972A 1972-01-25 1972-01-25

Publications (1)

Publication Number Publication Date
IT978435B true IT978435B (it) 1974-09-20

Family

ID=22824389

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1956673A IT978435B (it) 1972-01-25 1973-01-24 Processo per il recupero di cellu losa rigenerata

Country Status (9)

Country Link
US (1) US3758457A (it)
JP (1) JPS4884144A (it)
AR (1) AR197017A1 (it)
BE (1) BE796219A (it)
CA (1) CA989392A (it)
DE (1) DE2303672C3 (it)
FR (1) FR2169198B1 (it)
GB (1) GB1375124A (it)
IT (1) IT978435B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928517A (en) * 1973-12-26 1975-12-23 Amf Inc Quench bath regeneration system for microporous film production
US3884907A (en) * 1974-09-05 1975-05-20 Du Pont Regenerated cellulose recovery process using a humid gas to remove coating solvent
US4003880A (en) * 1975-05-19 1977-01-18 Monsanto Company Fabric dye stripping, separation and recovery of polyester
DE2543187C2 (de) * 1975-09-27 1982-05-06 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Wasser aufnehmenden, aber darin weitgehend unlöslichen Celluloseethern
US4060684A (en) * 1976-09-01 1977-11-29 Olin Corporation Process for recovering raw materials from waste cellophane
US4098996A (en) * 1977-02-22 1978-07-04 Fmc Corporation Regenerated cellulose film recovery process
US4145532A (en) * 1977-11-25 1979-03-20 Akzona Incorporated Process for making precipitated cellulose
US4196282A (en) * 1977-11-25 1980-04-01 Akzona Incorporated Process for making a shapeable cellulose and shaped cellulose products
US4256613A (en) * 1977-11-25 1981-03-17 Akzona Incorporated Composition and process for making precipitated nylon-cellulose biconstituent composition
US4284545A (en) * 1977-11-25 1981-08-18 Akzona Incorporated Composition and process for making precipitated nylon-polyvinyl alcohol biconstituent composition
US4145533A (en) * 1978-07-26 1979-03-20 Olin Corporation Method for recycling regenerated cellulose scrap
US4255300A (en) * 1979-07-02 1981-03-10 Akzona Incorporated Composition and process for making precipitated cellulose-polyvinyl alcohol biconstituent composition
US6500215B1 (en) 2000-07-11 2002-12-31 Sybron Chemicals, Inc. Utility of selected amine oxides in textile technology
AT515152B1 (de) 2013-11-26 2015-12-15 Chemiefaser Lenzing Ag Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
AT517020B1 (de) * 2015-02-06 2020-02-15 Chemiefaser Lenzing Ag Recycling von cellulosischen Kunstfasern

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2337928A (en) * 1940-06-24 1943-12-28 Sylvania Ind Corp Process for reutilizing waste material
US2570478A (en) * 1948-07-20 1951-10-09 Du Pont Vinylidene chloride interpolymer as a coating for regenerated cellulose film

Also Published As

Publication number Publication date
CA989392A (en) 1976-05-18
DE2303672A1 (de) 1973-07-26
FR2169198B1 (it) 1976-09-10
AR197017A1 (es) 1974-03-08
DE2303672B2 (de) 1975-06-12
FR2169198A1 (it) 1973-09-07
GB1375124A (it) 1974-11-27
DE2303672C3 (de) 1983-12-08
JPS4884144A (it) 1973-11-08
US3758457A (en) 1973-09-11
BE796219A (fr) 1973-09-03

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