IT987091B - Processo che impiega diversi ti pi di cellulosa per preparare la viscosa - Google Patents
Processo che impiega diversi ti pi di cellulosa per preparare la viscosaInfo
- Publication number
- IT987091B IT987091B IT7323573A IT2357373A IT987091B IT 987091 B IT987091 B IT 987091B IT 7323573 A IT7323573 A IT 7323573A IT 2357373 A IT2357373 A IT 2357373A IT 987091 B IT987091 B IT 987091B
- Authority
- IT
- Italy
- Prior art keywords
- cellulose
- uses several
- prepare viscose
- viscose
- prepare
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00249712A US3817983A (en) | 1972-05-01 | 1972-05-01 | Process using diverse types of cellulose for preparing viscose |
Publications (1)
Publication Number | Publication Date |
---|---|
IT987091B true IT987091B (it) | 1975-02-20 |
Family
ID=22944666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7323573A IT987091B (it) | 1972-05-01 | 1973-04-30 | Processo che impiega diversi ti pi di cellulosa per preparare la viscosa |
Country Status (9)
Country | Link |
---|---|
US (1) | US3817983A (it) |
JP (1) | JPS4947611A (it) |
AR (1) | AR197503A1 (it) |
BE (1) | BE798923A (it) |
CA (1) | CA989393A (it) |
DE (1) | DE2321829C3 (it) |
FR (1) | FR2183137B1 (it) |
GB (1) | GB1421812A (it) |
IT (1) | IT987091B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817983A (en) * | 1972-05-01 | 1974-06-18 | Du Pont | Process using diverse types of cellulose for preparing viscose |
US3914130A (en) * | 1974-05-08 | 1975-10-21 | Du Pont | Process for adding particulate cellulose to alkali cellulose |
JPS51122633A (en) * | 1975-04-19 | 1976-10-26 | Tohoku Daigaku Kinzoku Zairyo | Surface treatment process for hardening nonnferrous metals |
US4145533A (en) * | 1978-07-26 | 1979-03-20 | Olin Corporation | Method for recycling regenerated cellulose scrap |
JPS58157988A (ja) * | 1982-03-12 | 1983-09-20 | Electroplating Eng Of Japan Co | メッキ物の製造方法 |
DE4444245C1 (de) * | 1994-12-13 | 1996-07-04 | Hoechst Ag | Verfahren zum Recycling von gefärbten, cellulosischen Abfallprodukten zu Fasern |
CA2677870A1 (en) * | 2007-02-16 | 2008-08-21 | Kao Corporation | Process for producing noncrystalline 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 |
CN111171161B (zh) * | 2020-02-19 | 2020-09-11 | 江苏瑞佳新材料有限公司 | 一种醋酸丁酸纤维素及其制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1552422A (en) * | 1923-06-08 | 1925-09-08 | Charles H Dasher | Translucent film |
US1842689A (en) * | 1927-06-02 | 1932-01-26 | Brown Co | Process of treating cellulose fiber and product of same |
US2077164A (en) * | 1934-01-23 | 1937-04-13 | Brandes Rudolf | Preliminary maturing of alkalicellulose |
US2087016A (en) * | 1934-07-13 | 1937-07-13 | Du Pont | Viscose process and apparatus |
US2172109A (en) * | 1936-10-15 | 1939-09-05 | Sylvania Ind Corp | Alkali soluble cellulose ethers |
GB501492A (en) * | 1937-07-23 | 1939-02-28 | Giuseppe Donagemma | Process for the manufacture of artificial textile fibres |
US2337928A (en) * | 1940-06-24 | 1943-12-28 | Sylvania Ind Corp | Process for reutilizing waste material |
GB552681A (en) * | 1941-10-15 | 1943-04-20 | British Cellophane Ltd | Improvements in or relating to the production of viscose |
US2680737A (en) * | 1951-05-17 | 1954-06-08 | Hercules Powder Co Ltd | Alkali cellulose preparation |
US3584089A (en) * | 1969-09-12 | 1971-06-08 | Celanese Corp | Method of utilizing waste material in production of multicomponent filamentary material |
US3817983A (en) * | 1972-05-01 | 1974-06-18 | Du Pont | Process using diverse types of cellulose for preparing viscose |
-
1972
- 1972-05-01 US US00249712A patent/US3817983A/en not_active Expired - Lifetime
-
1973
- 1973-04-27 CA CA170,005A patent/CA989393A/en not_active Expired
- 1973-04-30 AR AR247761A patent/AR197503A1/es active
- 1973-04-30 DE DE2321829A patent/DE2321829C3/de not_active Expired
- 1973-04-30 IT IT7323573A patent/IT987091B/it active
- 1973-04-30 GB GB2038073A patent/GB1421812A/en not_active Expired
- 1973-04-30 BE BE130590A patent/BE798923A/xx unknown
- 1973-05-01 JP JP48047668A patent/JPS4947611A/ja active Pending
- 1973-05-02 FR FR7315675A patent/FR2183137B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2183137B1 (it) | 1977-02-11 |
DE2321829C3 (de) | 1983-12-08 |
JPS4947611A (it) | 1974-05-08 |
GB1421812A (en) | 1976-01-21 |
DE2321829B2 (de) | 1976-12-09 |
AR197503A1 (es) | 1974-04-15 |
US3817983A (en) | 1974-06-18 |
FR2183137A1 (it) | 1973-12-14 |
BE798923A (fr) | 1973-10-30 |
CA989393A (en) | 1976-05-18 |
DE2321829A1 (de) | 1974-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7105531D0 (pt) | Processo para alvejar pasta de celulose | |
BR7307638D0 (pt) | Aperfeicoamento em processo para preparar filamentos de polimero de acrilanotrila | |
BR6914755D0 (pt) | Processo para fabricar polpa de celulose alvejada | |
IT987091B (it) | Processo che impiega diversi ti pi di cellulosa per preparare la viscosa | |
BR6913966D0 (pt) | Processo de filtracao | |
AT293438B (de) | Verfahren zur Herstellung von Viskose | |
IT995392B (it) | Processo per testurizzare filato e apparecchio per l esecuzione del processo | |
BR7307781D0 (pt) | Processo para tornar anti-rugosos texteis contendo celulose | |
IT1046397B (it) | Processo ed apparato per aggiungere cellulosa particellare ad alcalioel lulosa nella produzione di viscosa | |
CH508060A (de) | Verfahren zur Herstellung von modifizierten Viskosefasern | |
IT994542B (it) | Procedimento di tintura di prodot ti cellulosici | |
CH503808A (de) | Verfahren zur Herstellung von Viskosekunstseidefilamenten von hohem Nassmodul | |
BR7017756D0 (pt) | Processo de preparacao de novos derivados de fenotiazina | |
IT940685B (it) | Processo per la tintura irregolare di fibre cellulosiche | |
BR6804039D0 (pt) | Processo de producao de folha ou fibra de celulose regenerada parcialmente acilada | |
IT1005111B (it) | Processo per ottenere resorcina | |
BR7304637D0 (pt) | Processo para alvejar polpa de celulose | |
BR7016515D0 (pt) | Processo de preparacao de dehidrolinalol | |
BR7303332D0 (pt) | Aperfeicoamento em um processo para a preparacao de artigos moldados, como filamentos, fibras curtas ou peliculas de acetato de celulose e fibras de ester de celulose produzidas pelo dito processo | |
BR7021698D0 (pt) | Processo de tricotar em vestido de malha | |
IT977950B (it) | Processo per chiarificare brodi di fermentazione | |
IT940680B (it) | Processo per la tintura irregolare di fibre cellulosiche | |
IT940683B (it) | Processo per la tintura irregolare di fibre cellulosiche | |
BR6572584D0 (pt) | Processo para produzir celulose de madeira | |
BR6915472D0 (pt) | Processo para preparar 2-(6-metoxi-2-naftil)-1-propanol |