IT1192247B - Procedimento per la preparazione di derivati della cellulosa coagulabili e filabili con rigenerazione della cellulosa stessa - Google Patents

Procedimento per la preparazione di derivati della cellulosa coagulabili e filabili con rigenerazione della cellulosa stessa

Info

Publication number
IT1192247B
IT1192247B IT20540/78A IT2054078A IT1192247B IT 1192247 B IT1192247 B IT 1192247B IT 20540/78 A IT20540/78 A IT 20540/78A IT 2054078 A IT2054078 A IT 2054078A IT 1192247 B IT1192247 B IT 1192247B
Authority
IT
Italy
Prior art keywords
cellulose
filable
coagulable
procedure
preparation
Prior art date
Application number
IT20540/78A
Other languages
English (en)
Other versions
IT7820540A0 (it
Inventor
Roberto Leoni
Alberto Baldini
Gianfranco Angelini
Original Assignee
Snia Viscosa
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 Snia Viscosa filed Critical Snia Viscosa
Priority to IT20540/78A priority Critical patent/IT1192247B/it
Publication of IT7820540A0 publication Critical patent/IT7820540A0/it
Priority to GB7906014A priority patent/GB2016472B/en
Priority to JP2017879A priority patent/JPS54126287A/ja
Priority to CA322,225A priority patent/CA1110009A/en
Priority to FR7904734A priority patent/FR2418283A1/fr
Priority to US06/014,632 priority patent/US4237274A/en
Priority to DE19792907408 priority patent/DE2907408A1/de
Application granted granted Critical
Publication of IT1192247B publication Critical patent/IT1192247B/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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/096—Nitrogen containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath
    • 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
    • C08J2301/08—Cellulose derivatives
    • C08J2301/26—Cellulose ethers
    • C08J2301/28—Alkyl ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Artificial Filaments (AREA)
IT20540/78A 1978-02-24 1978-02-24 Procedimento per la preparazione di derivati della cellulosa coagulabili e filabili con rigenerazione della cellulosa stessa IT1192247B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT20540/78A IT1192247B (it) 1978-02-24 1978-02-24 Procedimento per la preparazione di derivati della cellulosa coagulabili e filabili con rigenerazione della cellulosa stessa
GB7906014A GB2016472B (en) 1978-02-24 1979-02-20 Film and fibre forming solutions fo cellulose derivatives
JP2017879A JPS54126287A (en) 1978-02-24 1979-02-22 Production of cellulose derivative solution capable of providing fiber* film* and regenerated cellulose by coagualtion and regeneration
CA322,225A CA1110009A (en) 1978-02-24 1979-02-23 Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose bodies
FR7904734A FR2418283A1 (fr) 1978-02-24 1979-02-23 Procede de preparation de solutions de derives de cellulose
US06/014,632 US4237274A (en) 1978-02-24 1979-02-23 Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose _bodies
DE19792907408 DE2907408A1 (de) 1978-02-24 1979-02-24 Verfahren zur herstellung von cellulosederivat-loesungen und hieraus erhaltener formkoerper aus regenerierter cellulose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20540/78A IT1192247B (it) 1978-02-24 1978-02-24 Procedimento per la preparazione di derivati della cellulosa coagulabili e filabili con rigenerazione della cellulosa stessa

Publications (2)

Publication Number Publication Date
IT7820540A0 IT7820540A0 (it) 1978-02-24
IT1192247B true IT1192247B (it) 1988-03-31

Family

ID=11168477

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20540/78A IT1192247B (it) 1978-02-24 1978-02-24 Procedimento per la preparazione di derivati della cellulosa coagulabili e filabili con rigenerazione della cellulosa stessa

Country Status (2)

Country Link
US (1) US4237274A (it)
IT (1) IT1192247B (it)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1112577B (it) * 1979-04-24 1986-01-20 Snia Viscosa Perfezionamenti a procedimento per la preparazione di corpi formati di cellulosa rigenerata da soluzioni di derivati dalla cellulosa in solventi organici
IT7923350A0 (it) * 1979-06-07 1979-06-07 Snia Viscosa Procedimento per la preparazione di soluzioni di derivati della cellulosa in solventi organici ad alta concentrazione e soluzioni ottenute con tale procedimento.
FR2478116B1 (fr) * 1980-03-14 1985-06-14 Rhone Poulenc Textile Solutions conformables a partir de melanges de cellulose et polyamide-imide et articles en forme obtenus
AT395246B (de) * 1990-07-16 1992-10-27 Chemiefaser Lenzing Ag Loesung von cellulose in wasser und n-methyl-morpholin-n-oxid
EP1549788A4 (en) * 2002-10-01 2006-05-31 Shamrock Tech Inc METHOD FOR PRODUCING PTFE-CONTAINING CELLULOSE FIBERS
US9179709B2 (en) 2012-07-25 2015-11-10 R. J. Reynolds Tobacco Company Mixed fiber sliver for use in the manufacture of cigarette filter elements
US9119419B2 (en) 2012-10-10 2015-09-01 R.J. Reynolds Tobacco Company Filter material for a filter element of a smoking article, and associated system and method
US10959456B2 (en) 2014-09-12 2021-03-30 R.J. Reynolds Tobacco Company Nonwoven pouch comprising heat sealable binder fiber
US20160157515A1 (en) 2014-12-05 2016-06-09 R.J. Reynolds Tobacco Company Smokeless tobacco pouch
US10524500B2 (en) 2016-06-10 2020-01-07 R.J. Reynolds Tobacco Company Staple fiber blend for use in the manufacture of cigarette filter elements
US20210169138A1 (en) 2019-12-09 2021-06-10 Nicoventures Trading Limited Fibrous fleece material
WO2021116884A1 (en) 2019-12-09 2021-06-17 Nicoventures Trading Limited Layered fleece for pouched product
MX2022006980A (es) 2019-12-09 2022-08-25 Nicoventures Trading Ltd Productos embolsados con aglutinante termosellable.
AU2020403655A1 (en) 2019-12-09 2022-06-30 Nicoventures Trading Limited Oral product with dissolvable component
US20210170031A1 (en) 2019-12-09 2021-06-10 Nicoventures Trading Limited Oral composition with nanocrystalline cellulose
WO2022224196A1 (en) 2021-04-22 2022-10-27 Nicoventures Trading Limited Orally dissolving films
CA3222813A1 (en) 2021-06-16 2022-12-22 Anthony Richard Gerardi Pouched product comprising dissolvable composition
US20230148660A1 (en) 2021-11-15 2023-05-18 Nicoventures Trading Limited Products with enhanced sensory characteristics
CA3238151A1 (en) 2021-11-15 2023-05-19 Shahin ROOHINEJAD Oral products with nicotine-polymer complex
WO2023194959A1 (en) 2022-04-06 2023-10-12 Nicoventures Trading Limited Pouched products with heat sealable binder
US20230413897A1 (en) 2022-06-27 2023-12-28 R.J. Reynolds Tobacco Company Alternative filter materials and components for an aerosol delivery device
WO2024079722A1 (en) 2022-10-14 2024-04-18 Nicoventures Trading Limited Capsule-containing pouched products
WO2024089588A1 (en) 2022-10-24 2024-05-02 Nicoventures Trading Limited Shaped pouched products
EP4611564A1 (en) 2022-11-01 2025-09-10 Nicoventures Trading Limited Oral composition comprising encapsulated ph adjusting agent
WO2024095164A1 (en) 2022-11-01 2024-05-10 Nicoventures Trading Limited Products with spherical filler
WO2024180481A1 (en) 2023-02-28 2024-09-06 Nicoventures Trading Limited Caffeine-containing oral product
WO2024201346A1 (en) 2023-03-31 2024-10-03 Nicoventures Trading Limited Functionalized fleece material production
GB202311840D0 (en) 2023-08-01 2023-09-13 Nicoventures Trading Ltd Tubular component for an aerosol-generating article and a method of manufacture
GB202311842D0 (en) 2023-08-01 2023-09-13 Nicoventures Trading Ltd Tubular component for an aerosol-generating article and a method of manufacture
WO2025068817A1 (en) 2023-09-29 2025-04-03 R. J. Reynolds Tobacco Company Apparatus and system for recovering material from oral wrapped products and related method
GB202319627D0 (en) 2023-12-20 2024-01-31 Nicoventures Trading Ltd Diffusion-modifying pouch for oral products
GB202319624D0 (en) 2023-12-20 2024-01-31 Nicoventures Trading Ltd Functionalized fleece for oral products
GB202319621D0 (en) 2023-12-20 2024-01-31 Nicoventures Trading Ltd Oral product comprising porous sponge
GB202319623D0 (en) 2023-12-20 2024-01-31 Nicoventures Trading Ltd Biodegradable fleece for oral product
GB202319617D0 (en) 2023-12-20 2024-01-31 Nicoventures Trading Ltd Elastic fleece for oral products
EP4585055A1 (en) 2024-01-12 2025-07-16 Nicoventures Trading Limited Oral product with probiotic component
EP4585059A1 (en) 2024-01-12 2025-07-16 Nicoventures Trading Limited Effervescent pouched product
EP4595781A1 (en) 2024-01-31 2025-08-06 Nicoventures Trading Limited Pouched products containing shreddable filler
EP4599698A1 (en) 2024-02-07 2025-08-13 Nicoventures Trading Limited Products comprising sensory agents
EP4602929A1 (en) 2024-02-19 2025-08-20 Nicoventures Trading Limited Oral product with powder coating
EP4620318A1 (en) 2024-03-21 2025-09-24 Nicoventures Trading Limited Pouched product with humectant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776692A (en) * 1972-04-27 1973-12-04 Us Agriculture Recurable crosslinked cellulosic fabrics from methylol reagents and polycarboxylic acids
US4022631A (en) * 1975-05-19 1977-05-10 International Telephone And Telegraph Corporation Process for producing regenerated cellulosic articles
US4086418A (en) * 1976-02-27 1978-04-25 International Telephone And Telegraph Corporation Process for producing a regenerated hollow cellulosic fiber
US4056675A (en) * 1976-02-27 1977-11-01 International Telephone And Telegraph Corporation Process for producing regenerated cellulosic fibers
US4097666A (en) * 1976-04-29 1978-06-27 The Institute Of Paper Chemistry Solvent system for polysaccharides
FR2372251A1 (fr) * 1976-11-26 1978-06-23 Rhone Poulenc Textile Nouveau procede de filage ou mise en forme de solutions de cellulose et articles ainsi obtenus

Also Published As

Publication number Publication date
US4237274A (en) 1980-12-02
IT7820540A0 (it) 1978-02-24

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