DE1669360A1 - Verfahren zur Wiedergewinnung von Cyclohexanon aus den Koagulierbaedern,die beim Verspinnen von Polyvinylchlorid verwendet werden - Google Patents

Verfahren zur Wiedergewinnung von Cyclohexanon aus den Koagulierbaedern,die beim Verspinnen von Polyvinylchlorid verwendet werden

Info

Publication number
DE1669360A1
DE1669360A1 DE19661669360 DE1669360A DE1669360A1 DE 1669360 A1 DE1669360 A1 DE 1669360A1 DE 19661669360 DE19661669360 DE 19661669360 DE 1669360 A DE1669360 A DE 1669360A DE 1669360 A1 DE1669360 A1 DE 1669360A1
Authority
DE
Germany
Prior art keywords
sodium
cyclohexanone
hydroxide
coagulating
value
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.)
Pending
Application number
DE19661669360
Other languages
German (de)
English (en)
Inventor
Paolo Melacini
Silvio Trevisi
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.)
CHATILLON ITALIANA FIBRE
Original Assignee
CHATILLON ITALIANA FIBRE
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 CHATILLON ITALIANA FIBRE filed Critical CHATILLON ITALIANA FIBRE
Publication of DE1669360A1 publication Critical patent/DE1669360A1/de
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    • D01F13/04—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of synthetic polymers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
    • D01F6/10—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polyvinyl chloride or polyvinylidene chloride
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Artificial Filaments (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
DE19661669360 1965-01-27 1966-01-22 Verfahren zur Wiedergewinnung von Cyclohexanon aus den Koagulierbaedern,die beim Verspinnen von Polyvinylchlorid verwendet werden Pending DE1669360A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT172065 1965-01-27

Publications (1)

Publication Number Publication Date
DE1669360A1 true DE1669360A1 (de) 1971-05-06

Family

ID=11102002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661669360 Pending DE1669360A1 (de) 1965-01-27 1966-01-22 Verfahren zur Wiedergewinnung von Cyclohexanon aus den Koagulierbaedern,die beim Verspinnen von Polyvinylchlorid verwendet werden

Country Status (9)

Country Link
US (1) US3440148A (US20100223739A1-20100909-C00005.png)
BE (1) BE675447A (US20100223739A1-20100909-C00005.png)
CH (1) CH463692A (US20100223739A1-20100909-C00005.png)
DE (1) DE1669360A1 (US20100223739A1-20100909-C00005.png)
ES (1) ES322394A1 (US20100223739A1-20100909-C00005.png)
FR (1) FR1465237A (US20100223739A1-20100909-C00005.png)
GB (1) GB1126501A (US20100223739A1-20100909-C00005.png)
IL (1) IL25019A (US20100223739A1-20100909-C00005.png)
NL (1) NL6600687A (US20100223739A1-20100909-C00005.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929586A (en) * 1973-05-07 1975-12-30 Organic Chemicals Company Inc Process for treatment of organic solvent-containing waste sludges
IT1002123B (it) * 1973-11-29 1976-05-20 Montefipre Spa Procedimento migliorato di filatu ra di polimeri acrilici
US3975230A (en) * 1975-03-24 1976-08-17 Continental Oil Company Steam distillation of polyvinyl chlorine slurry in presence of metal salt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617757A (en) * 1947-08-02 1952-11-11 Stanolind Oil & Gas Co Azeotropic distillation of ketone-containing alcohols
FR1175089A (fr) * 1957-05-14 1959-03-19 Pechiney Nouveau procédé de traitement de hauts polymères
BE638968A (US20100223739A1-20100909-C00005.png) * 1962-10-23 1900-01-01
US3327037A (en) * 1962-12-24 1967-06-20 Snia Viscosa Process for the spinning of the crystalline polymer of vinyl chloride
US3276973A (en) * 1963-03-01 1966-10-04 Eastman Kodak Co Recovery of ketones from acid solutions by distillation in the presence of an aqueous alkali

Also Published As

Publication number Publication date
FR1465237A (fr) 1967-01-06
NL6600687A (US20100223739A1-20100909-C00005.png) 1966-07-28
BE675447A (US20100223739A1-20100909-C00005.png) 1966-05-31
IL25019A (en) 1969-11-30
CH463692A (de) 1968-10-15
US3440148A (en) 1969-04-22
GB1126501A (en) 1968-09-05
ES322394A1 (es) 1966-11-16

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