DE2929922A1 - Verfahren zur herstellung von geformten koerpern aus regenerierter cellulose - Google Patents
Verfahren zur herstellung von geformten koerpern aus regenerierter celluloseInfo
- Publication number
- DE2929922A1 DE2929922A1 DE19792929922 DE2929922A DE2929922A1 DE 2929922 A1 DE2929922 A1 DE 2929922A1 DE 19792929922 DE19792929922 DE 19792929922 DE 2929922 A DE2929922 A DE 2929922A DE 2929922 A1 DE2929922 A1 DE 2929922A1
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- solution
- coagulation bath
- coagulated
- salt
- 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.)
- Withdrawn
Links
- 239000004627 regenerated cellulose Substances 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 33
- 239000001913 cellulose Substances 0.000 claims description 33
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 230000015271 coagulation Effects 0.000 claims description 14
- 238000005345 coagulation Methods 0.000 claims description 14
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 11
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 2
- 235000011056 potassium acetate Nutrition 0.000 claims description 2
- 239000001632 sodium acetate Substances 0.000 claims description 2
- 235000017281 sodium acetate Nutrition 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
- 229960001763 zinc sulfate Drugs 0.000 claims description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims 1
- 159000000011 group IA salts Chemical class 0.000 claims 1
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229930040373 Paraformaldehyde Natural products 0.000 description 5
- 229920002866 paraformaldehyde Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000001112 coagulating effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
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
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT7826174A IT7826174A0 (it) | 1978-07-27 | 1978-07-27 | Procedimento per la preparazione di corpi formati di cellulosa rigenerata da soluzioni di derivati della cellulosa in dimetilsolfossido. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2929922A1 true DE2929922A1 (de) | 1980-02-14 |
Family
ID=11218836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792929922 Withdrawn DE2929922A1 (de) | 1978-07-27 | 1979-07-24 | Verfahren zur herstellung von geformten koerpern aus regenerierter cellulose |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4252766A (enExample) |
| JP (1) | JPS5540768A (enExample) |
| DE (1) | DE2929922A1 (enExample) |
| FR (1) | FR2433542A1 (enExample) |
| GB (1) | GB2026380B (enExample) |
| IT (1) | IT7826174A0 (enExample) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI60578C (fi) * | 1980-03-28 | 1982-02-10 | Valtion Teknillinen | Foerfarande foer tillverkning av brandskyddade cellulosafibrer |
| FR2483966A1 (fr) * | 1980-06-10 | 1981-12-11 | Rhone Poulenc Textile | Solutions conformables a partir de melanges de cellulose et polychlorure de vinyle et articles en forme obtenus |
| DE19623704C1 (de) * | 1996-06-14 | 1997-06-26 | Freudenberg Carl Fa | Schwammtuch und Verfahren zu dessen Herstellung |
| DE19623703C1 (de) * | 1996-06-14 | 1997-07-24 | Freudenberg Carl Fa | Schwamm und Verfahren zu dessen Herstellung |
| 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 |
| PH12022551328A1 (en) | 2019-12-09 | 2024-06-24 | Nicoventures Trading Ltd | Layered fleece for pouched product |
| CA3159813A1 (en) | 2019-12-09 | 2021-06-17 | Nicoventures Trading Limited | Oral product with dissolvable component |
| US12491250B2 (en) | 2019-12-09 | 2025-12-09 | Nicoventures Trading Limited | Oral composition with nanocrystalline cellulose |
| US20210169138A1 (en) | 2019-12-09 | 2021-06-10 | Nicoventures Trading Limited | Fibrous fleece material |
| WO2021116894A1 (en) | 2019-12-09 | 2021-06-17 | Nicoventures Trading Limited | Pouched products with heat sealable binder |
| WO2022224196A1 (en) | 2021-04-22 | 2022-10-27 | Nicoventures Trading Limited | Orally dissolving films |
| JP2024523362A (ja) | 2021-06-16 | 2024-06-28 | ニコベンチャーズ トレーディング リミテッド | 溶解可能な組成物を含むパウチ製品 |
| 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 |
| CA3247270A1 (en) | 2022-04-06 | 2023-10-12 | Nicoventures Trading Limited | PRODUCTS IN BAGS 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 |
| EP4601490A1 (en) | 2022-10-14 | 2025-08-20 | Nicoventures Trading Limited | Capsule-containing pouched products |
| EP4608181A1 (en) | 2022-10-24 | 2025-09-03 | Nicoventures Trading Limited | Shaped pouched products |
| WO2024095163A1 (en) | 2022-11-01 | 2024-05-10 | 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 |
| GB202311842D0 (en) | 2023-08-01 | 2023-09-13 | Nicoventures Trading Ltd | Tubular component for an aerosol-generating article and a method of manufacture |
| GB202311840D0 (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 |
| GB202319617D0 (en) | 2023-12-20 | 2024-01-31 | Nicoventures Trading Ltd | Elastic fleece for oral products |
| GB202319624D0 (en) | 2023-12-20 | 2024-01-31 | Nicoventures Trading Ltd | Functionalized fleece for oral products |
| GB202319623D0 (en) | 2023-12-20 | 2024-01-31 | Nicoventures Trading Ltd | Biodegradable fleece for oral product |
| GB202319621D0 (en) | 2023-12-20 | 2024-01-31 | Nicoventures Trading Ltd | Oral product comprising porous sponge |
| 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 |
| EP4643665A1 (en) | 2024-05-03 | 2025-11-05 | Nicoventures Trading Limited | Oral product with plant-based filler component |
| EP4643666A1 (en) | 2024-05-03 | 2025-11-05 | Nicoventures Trading Limited | Oral product with plant-based filler component |
| EP4643664A1 (en) | 2024-05-03 | 2025-11-05 | Nicoventures Trading Limited | Oral product with plant-based filler component |
| EP4659595A1 (en) | 2024-06-06 | 2025-12-10 | Nicoventures Trading Limited | Nicotine-polymer complex comprising multiple nicotine forms |
| EP4659596A1 (en) | 2024-06-06 | 2025-12-10 | Nicoventures Trading Limited | Oral products with low free-base nicotine content |
| EP4659594A1 (en) | 2024-06-06 | 2025-12-10 | Nicoventures Trading Limited | Oral products containing modified nicotine-polymer complex |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022631A (en) * | 1975-05-19 | 1977-05-10 | International Telephone And Telegraph Corporation | Process for producing regenerated cellulosic articles |
| FR2358432A1 (fr) * | 1976-07-16 | 1978-02-10 | Rhone Poulenc Textile | Nouveau procede de mise en forme de solutions de cellulose et articles ainsi obtenus |
| FR2358477A1 (fr) * | 1976-07-16 | 1978-02-10 | Rhone Poulenc Textile | Nouveau procede de mise en forme de solutions de cellulose par voie physique et articles ainsi obtenus |
| JPS54151613A (en) * | 1978-04-03 | 1979-11-29 | Snia Viscosa | Method for solublizing fibrin in organic solvent * solution obtained by said method and forming of regenerated fiber material from said solution |
-
1978
- 1978-07-27 IT IT7826174A patent/IT7826174A0/it unknown
-
1979
- 1979-07-24 DE DE19792929922 patent/DE2929922A1/de not_active Withdrawn
- 1979-07-25 US US06/060,441 patent/US4252766A/en not_active Expired - Lifetime
- 1979-07-27 FR FR7919499A patent/FR2433542A1/fr not_active Withdrawn
- 1979-07-27 JP JP9598679A patent/JPS5540768A/ja active Pending
- 1979-07-27 GB GB7926230A patent/GB2026380B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT7826174A0 (it) | 1978-07-27 |
| GB2026380A (en) | 1980-02-06 |
| GB2026380B (en) | 1982-09-02 |
| JPS5540768A (en) | 1980-03-22 |
| FR2433542A1 (enExample) | 1980-03-14 |
| US4252766A (en) | 1981-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |