DE2235902A1 - Verfahren zur herstellung von aktivierter regenerierter cellulose - Google Patents
Verfahren zur herstellung von aktivierter regenerierter celluloseInfo
- Publication number
- DE2235902A1 DE2235902A1 DE2235902A DE2235902A DE2235902A1 DE 2235902 A1 DE2235902 A1 DE 2235902A1 DE 2235902 A DE2235902 A DE 2235902A DE 2235902 A DE2235902 A DE 2235902A DE 2235902 A1 DE2235902 A1 DE 2235902A1
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- crosslinking
- effected
- regenerated cellulose
- activated
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/08—Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/12—Macromolecular compounds
- B01J41/16—Cellulose or wood; Derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/18—Macromolecular compounds
- B01J39/22—Cellulose or wood; Derivatives thereof
-
- 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
- C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
-
- 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
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B13/00—Preparation of cellulose ether-esters
- C08B13/02—Cellulose ether xanthates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Wood Science & Technology (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3464571A GB1387265A (en) | 1971-07-23 | 1971-07-23 | Ion exchange celluloses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2235902A1 true DE2235902A1 (de) | 1973-02-01 |
Family
ID=10368233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2235902A Ceased DE2235902A1 (de) | 1971-07-23 | 1972-07-21 | Verfahren zur herstellung von aktivierter regenerierter cellulose |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3905954A (https=) |
| JP (1) | JPS5315470B2 (https=) |
| AU (1) | AU469879B2 (https=) |
| BE (1) | BE786602A (https=) |
| CA (1) | CA975358A (https=) |
| CH (1) | CH606117A5 (https=) |
| DE (1) | DE2235902A1 (https=) |
| ES (1) | ES405084A1 (https=) |
| FR (1) | FR2147139B1 (https=) |
| GB (1) | GB1387265A (https=) |
| IE (1) | IE36584B1 (https=) |
| IL (1) | IL39934A (https=) |
| IT (1) | IT963295B (https=) |
| NL (1) | NL172033C (https=) |
| NO (1) | NO137755C (https=) |
| SE (1) | SE408271B (https=) |
| ZA (1) | ZA725059B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0145127A3 (en) * | 1983-12-14 | 1987-05-13 | Exxon Research And Engineering Company | Modified regenerated cellulose membrane for non aqueous separations |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4154676A (en) * | 1971-07-23 | 1979-05-15 | Viscose Development Co., Ltd. | Ion exchange process using activated regenerated cellulose |
| US4154675A (en) * | 1972-06-02 | 1979-05-15 | Viscose Group Limited | Ion exchange processes using cellulosic materials |
| US4194024A (en) * | 1973-12-24 | 1980-03-18 | Hoechst Aktiengesellschaft | Method of making hydrophilic articles of water-insoluble polymers |
| US4200558A (en) * | 1973-12-24 | 1980-04-29 | Hoechst Aktiengesellschaft | Method of producing hydrophilic articles of water-insoluble polymers |
| US4063017A (en) * | 1976-04-22 | 1977-12-13 | Purdue Research Foundation | Porous cellulose beads and the immobilization of enzymes therewith |
| CA1093991A (en) * | 1977-02-17 | 1981-01-20 | Hideo Hirohara | Enzyme immobilization with pullulan gel |
| US4933284A (en) * | 1986-05-07 | 1990-06-12 | Uop | Regenerable dialkylaminoalkyl cellulose support matrix for immobilizing biologically active materials |
| FR2601593B1 (fr) * | 1986-07-16 | 1994-04-15 | Cellulose Pin | Materiau hydrophile biocompatible, procede de fabrication et applications |
| JP2657807B2 (ja) * | 1987-07-20 | 1997-09-30 | ダイセル化学工業株式会社 | 核酸除去剤 |
| DE4041903A1 (de) * | 1990-12-27 | 1992-07-02 | Freising Chem Fab | Vorrichtung zum trennen von gemischen aus miteinander nicht mischbaren fluessigkeiten |
| US5690996A (en) * | 1992-11-02 | 1997-11-25 | Sepragen | Cross-linked cellulose sponge |
| GB9304151D0 (en) * | 1993-03-02 | 1993-04-21 | Courtaulds Plc | Fibre |
| EP0683251B1 (de) * | 1994-05-17 | 1998-07-08 | DyStar Textilfarben GmbH & Co. Deutschland KG | Aminierung von cellulosischen Synthesefasern |
| DE4417211A1 (de) * | 1994-05-17 | 1995-11-23 | Hoechst Ag | Aminierung von Regeneratcellulose |
| US8919662B2 (en) | 2004-06-24 | 2014-12-30 | Enviroscent, Inc. | Scent devices and methods |
| US20100209708A1 (en) * | 2007-09-17 | 2010-08-19 | Basf Se | Crosslinked cellulose beads |
| US8245840B2 (en) * | 2010-02-25 | 2012-08-21 | Daniel Boorstein | Toothbrush cover and related dispenser |
| US9504313B2 (en) | 2010-02-25 | 2016-11-29 | Daniel Boorstein | Toothbrush cover and related dispenser |
| EP2552499B1 (en) | 2010-03-31 | 2021-12-01 | Enviroscent, Inc. | Articles for olfactory-active substances |
| US9149552B1 (en) | 2014-09-29 | 2015-10-06 | Enviroscent, Inc. | Coating providing modulated release of volatile compositions |
| WO2016201089A1 (en) | 2015-06-09 | 2016-12-15 | Enviroscent, Inc. | Formed three-dimensional matrix and associated coating providing modulated release of volatile compositions |
| USD800286S1 (en) | 2015-07-31 | 2017-10-17 | Enviroscent, Inc. | Collection of scent-infused wound sheets |
| EP4520867A2 (en) | 2016-09-30 | 2025-03-12 | Enviroscent, Inc. | Articles formed of pulp base materials with modulated scent release |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1935984A1 (de) * | 1968-07-15 | 1970-01-22 | Tasman Vaccine Labor Ltd | Verfahren und Vorrichtung zur Herstellung eines Ionenaustauschers |
| US3553306A (en) * | 1969-10-24 | 1971-01-05 | American Can Co | Films and filaments having ion-exchange properties and process for making same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2021864A (en) * | 1930-03-15 | 1935-11-19 | Lilienfeld Leon | Manufacture of shaped artificial structures |
| US1936479A (en) * | 1930-05-23 | 1933-11-21 | American Enka Corp | Process for producing artificial silk from viscose |
| BE419429A (https=) * | 1935-02-16 | 1900-01-01 | ||
| US2860480A (en) * | 1956-04-18 | 1958-11-18 | Du Pont | Regenerated cellulose structures and process for producing them |
| US3068545A (en) * | 1960-03-03 | 1962-12-18 | Du Pont | Napped fibrous regenerated sponge structure and process of making same |
| US3501419A (en) * | 1962-06-07 | 1970-03-17 | Tee Pak Inc | Cellulose microspherical product |
| NL284888A (https=) * | 1962-10-30 | |||
| US3296000A (en) * | 1966-04-06 | 1967-01-03 | Fmc Corp | Shaped regenerated cellulose products having bacteriostatic properties |
| US3591667A (en) * | 1970-03-16 | 1971-07-06 | Univ Utah | Method of producing a cellulose hemodialysis membrane |
-
1971
- 1971-07-23 GB GB3464571A patent/GB1387265A/en not_active Expired
-
1972
- 1972-07-18 IL IL39934A patent/IL39934A/en unknown
- 1972-07-20 BE BE786602A patent/BE786602A/xx not_active IP Right Cessation
- 1972-07-20 AU AU44755/72A patent/AU469879B2/en not_active Expired
- 1972-07-21 IE IE1023/72A patent/IE36584B1/xx unknown
- 1972-07-21 CA CA147,640A patent/CA975358A/en not_active Expired
- 1972-07-21 SE SE7209635A patent/SE408271B/xx unknown
- 1972-07-21 NO NO2616/72A patent/NO137755C/no unknown
- 1972-07-21 CH CH1092572A patent/CH606117A5/xx not_active IP Right Cessation
- 1972-07-21 US US273766A patent/US3905954A/en not_active Expired - Lifetime
- 1972-07-21 ZA ZA725059A patent/ZA725059B/xx unknown
- 1972-07-21 DE DE2235902A patent/DE2235902A1/de not_active Ceased
- 1972-07-21 NL NLAANVRAGE7210142,A patent/NL172033C/xx not_active IP Right Cessation
- 1972-07-22 ES ES405084A patent/ES405084A1/es not_active Expired
- 1972-07-22 JP JP7377772A patent/JPS5315470B2/ja not_active Expired
- 1972-07-24 IT IT27339/72A patent/IT963295B/it active
- 1972-07-24 FR FR7226570A patent/FR2147139B1/fr not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1935984A1 (de) * | 1968-07-15 | 1970-01-22 | Tasman Vaccine Labor Ltd | Verfahren und Vorrichtung zur Herstellung eines Ionenaustauschers |
| US3553306A (en) * | 1969-10-24 | 1971-01-05 | American Can Co | Films and filaments having ion-exchange properties and process for making same |
Non-Patent Citations (1)
| Title |
|---|
| Anal. Chem. 39, 1967, S. 1422-1428 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0145127A3 (en) * | 1983-12-14 | 1987-05-13 | Exxon Research And Engineering Company | Modified regenerated cellulose membrane for non aqueous separations |
Also Published As
| Publication number | Publication date |
|---|---|
| SE408271B (sv) | 1979-06-05 |
| FR2147139A1 (https=) | 1973-03-09 |
| FR2147139B1 (https=) | 1977-01-14 |
| JPS4848583A (https=) | 1973-07-10 |
| NO137755B (no) | 1978-01-09 |
| IT963295B (it) | 1974-01-10 |
| ES405084A1 (es) | 1975-07-01 |
| IE36584L (en) | 1973-01-23 |
| IL39934A (en) | 1976-03-31 |
| GB1387265A (en) | 1975-03-12 |
| CH606117A5 (https=) | 1978-10-13 |
| AU469879B2 (en) | 1976-02-26 |
| NL7210142A (https=) | 1973-01-25 |
| CA975358A (en) | 1975-09-30 |
| NL172033B (nl) | 1983-02-01 |
| BE786602A (fr) | 1972-11-16 |
| AU4475572A (en) | 1974-01-24 |
| JPS5315470B2 (https=) | 1978-05-25 |
| IE36584B1 (en) | 1976-12-08 |
| IL39934A0 (en) | 1972-09-28 |
| NL172033C (nl) | 1983-07-01 |
| US3905954A (en) | 1975-09-16 |
| ZA725059B (en) | 1973-04-25 |
| NO137755C (no) | 1978-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| 8125 | Change of the main classification |
Ipc: C08B 15/05 |
|
| 8125 | Change of the main classification |
Ipc: B01J 39/22 |
|
| 8131 | Rejection |