IT1046397B - Processo ed apparato per aggiungere cellulosa particellare ad alcalioel lulosa nella produzione di viscosa - Google Patents
Processo ed apparato per aggiungere cellulosa particellare ad alcalioel lulosa nella produzione di viscosaInfo
- Publication number
- IT1046397B IT1046397B IT23128/75A IT2312875A IT1046397B IT 1046397 B IT1046397 B IT 1046397B IT 23128/75 A IT23128/75 A IT 23128/75A IT 2312875 A IT2312875 A IT 2312875A IT 1046397 B IT1046397 B IT 1046397B
- Authority
- IT
- Italy
- Prior art keywords
- lulosa
- alcalioel
- viscose production
- add detailed
- detailed cellulose
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B9/00—Cellulose xanthate; Viscose
-
- 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
- C08B1/08—Alkali cellulose
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Artificial Filaments (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US468196A US3914130A (en) | 1974-05-08 | 1974-05-08 | Process for adding particulate cellulose to alkali cellulose |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1046397B true IT1046397B (it) | 1980-06-30 |
Family
ID=23858807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23128/75A IT1046397B (it) | 1974-05-08 | 1975-05-07 | Processo ed apparato per aggiungere cellulosa particellare ad alcalioel lulosa nella produzione di viscosa |
Country Status (9)
Country | Link |
---|---|
US (1) | US3914130A (it) |
JP (1) | JPS50153086A (it) |
AR (1) | AR206344A1 (it) |
BE (1) | BE828848R (it) |
CA (1) | CA1045755A (it) |
DE (1) | DE2520484A1 (it) |
FR (1) | FR2291214A2 (it) |
GB (1) | GB1452243A (it) |
IT (1) | IT1046397B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136255A (en) * | 1977-10-03 | 1979-01-23 | Akzona Incorporated | Process for making solutions of cellulosic compounds |
US4145533A (en) * | 1978-07-26 | 1979-03-20 | Olin Corporation | Method for recycling regenerated cellulose scrap |
DE2845116A1 (de) * | 1978-10-17 | 1980-04-30 | Kloeckner Humboldt Deutz Ag | Verfahren zum entschwefelnden frischen schmelzfluessiger metall- schwefelverbindungen |
US4254258A (en) * | 1979-03-28 | 1981-03-03 | Texas A & M University System | Process for the preparation of cellulose ether derivatives |
EP0066817B1 (en) * | 1981-05-29 | 1986-11-12 | Asahi Kasei Kogyo Kabushiki Kaisha | Mixed fuels |
US4373098A (en) * | 1981-08-20 | 1983-02-08 | E. I. Du Pont De Nemours And Company | Process for converting cellulose directly into alkali cellulose |
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 (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1552422A (en) * | 1923-06-08 | 1925-09-08 | Charles H Dasher | Translucent film |
US2077164A (en) * | 1934-01-23 | 1937-04-13 | Brandes Rudolf | Preliminary maturing of alkalicellulose |
US2172109A (en) * | 1936-10-15 | 1939-09-05 | Sylvania Ind Corp | Alkali soluble cellulose ethers |
US2392269A (en) * | 1943-09-10 | 1946-01-01 | Du Pont | Method and apparatus for the production of alkali cellulose |
US3817983A (en) * | 1972-05-01 | 1974-06-18 | Du Pont | Process using diverse types of cellulose for preparing viscose |
-
1974
- 1974-05-08 US US468196A patent/US3914130A/en not_active Expired - Lifetime
-
1975
- 1975-01-01 AR AR258971A patent/AR206344A1/es active
- 1975-05-06 JP JP50053283A patent/JPS50153086A/ja active Pending
- 1975-05-06 CA CA226,392A patent/CA1045755A/en not_active Expired
- 1975-05-07 IT IT23128/75A patent/IT1046397B/it active
- 1975-05-07 BE BE156164A patent/BE828848R/xx active
- 1975-05-07 DE DE19752520484 patent/DE2520484A1/de not_active Ceased
- 1975-05-07 FR FR7514323A patent/FR2291214A2/fr active Granted
- 1975-05-07 GB GB1917475A patent/GB1452243A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1045755A (en) | 1979-01-09 |
US3914130A (en) | 1975-10-21 |
GB1452243A (en) | 1976-10-13 |
FR2291214A2 (fr) | 1976-06-11 |
DE2520484A1 (de) | 1975-11-13 |
AR206344A1 (es) | 1976-07-15 |
BE828848R (fr) | 1975-11-07 |
JPS50153086A (it) | 1975-12-09 |
FR2291214B2 (it) | 1978-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7404468D0 (pt) | Aperfeicoamento em processo de producao de etileno-glicol e metamol por alta pressao | |
BR7402517A (pt) | Aperfeicoamento em processo de fabricacao de cortadeiras rotativas e respectivas cortadeiras aperfeicoadas | |
BR7501340A (pt) | Processo para alvejar polpa de celulose | |
BR6914755D0 (pt) | Processo para fabricar polpa de celulose alvejada | |
IT1066696B (it) | Processo per preparare soluzioni cellulosiche e relativi prodotti | |
IT1038209B (it) | Fibre poliolefiniche idrofile e processo per la loro produzione | |
BR7500732A (pt) | Processo para tornar materiais fibrosos simultaneamente oleofobos e hidrofobos | |
BR7404444D0 (pt) | Aperfeicoamentos em maquina de fabricacao de cigarros e processo de fabricacao de cigarros de filtro | |
IT1026200B (it) | Coloranti tetrazoici reattivi per le fibre e procedimento per la loro produzione e applicazione | |
BR7502773A (pt) | Aperfeicoamento em processo pra producao de n-metil-nitroftamidas | |
IT1046397B (it) | Processo ed apparato per aggiungere cellulosa particellare ad alcalioel lulosa nella produzione di viscosa | |
IT1078782B (it) | Processo per la produzione di articoli rigenerati in cellulosa | |
IT1061096B (it) | Processo per migliorare le proprieta delle fibre cellulosiche e per tingere le stesse | |
IT945598B (it) | Fibre sintetiche modificate e processo per la loro fabbricazone | |
IT987091B (it) | Processo che impiega diversi ti pi di cellulosa per preparare la viscosa | |
IT995392B (it) | Processo per testurizzare filato e apparecchio per l esecuzione del processo | |
IT1043474B (it) | Processo per ricuperare agente ammorbidente usato nel trattamento di cellulosa rigenerata e apparecchio relativo | |
BR7108518D0 (pt) | Processo para tratamento de material de fibras de celulose para melhorar suas propriedades e material assim tratado | |
BR7501509A (pt) | Processo e composicoes para embranquecer materiais de fibras de celulose | |
IT1051903B (it) | Composizione polimero poliolo e processo di sua produzione | |
IT942275B (it) | Metodo per la produzione di fibre modacriliche ininfiammabili e prodotto ottenuto | |
IT1049873B (it) | Processo per la produzione di azocoloranti idroinsolubili sulla fibra | |
BR7402308D0 (pt) | Processo de preparacao de fibras celulosicas de alta permeabilidade contendo enzimas e produto resultante | |
BR7501455A (pt) | Aparelho e processo para produzir rafia textil sintetica | |
BR7015841D0 (pt) | Processo para tornar a prova de chama e a prova de ruga materiais de fibra contendo celulose |