IT8123078A0 - Processo per la purificazione della nitrocellulosa. - Google Patents
Processo per la purificazione della nitrocellulosa.Info
- Publication number
- IT8123078A0 IT8123078A0 IT8123078A IT2307881A IT8123078A0 IT 8123078 A0 IT8123078 A0 IT 8123078A0 IT 8123078 A IT8123078 A IT 8123078A IT 2307881 A IT2307881 A IT 2307881A IT 8123078 A0 IT8123078 A0 IT 8123078A0
- Authority
- IT
- Italy
- Prior art keywords
- nitrocellulose
- purification
- Prior art date
Links
- 239000000020 Nitrocellulose Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229920001220 nitrocellulos Polymers 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
- C08B5/02—Cellulose nitrate, i.e. nitrocellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
- C08B5/02—Cellulose nitrate, i.e. nitrocellulose
- C08B5/04—Post-esterification treatments, e.g. densification of powders, including purification
- C08B5/10—Reducing the viscosity
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
- C08B5/02—Cellulose nitrate, i.e. nitrocellulose
- C08B5/04—Post-esterification treatments, e.g. densification of powders, including purification
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)
- Paper (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/171,623 US4323669A (en) | 1980-07-23 | 1980-07-23 | Process for purification of nitrocellulose |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8123078A0 true IT8123078A0 (it) | 1981-07-22 |
IT1142033B IT1142033B (it) | 1986-10-08 |
Family
ID=22624499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23078/81A IT1142033B (it) | 1980-07-23 | 1981-07-22 | Processo per la purificazione della nitrocellulosa |
Country Status (10)
Country | Link |
---|---|
US (1) | US4323669A (it) |
JP (1) | JPS5749601A (it) |
KR (1) | KR840000723B1 (it) |
CH (1) | CH650007A5 (it) |
DE (1) | DE3128209A1 (it) |
FR (1) | FR2487361B1 (it) |
GB (1) | GB2080309B (it) |
IT (1) | IT1142033B (it) |
NO (1) | NO812182L (it) |
PH (1) | PH16948A (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000026501A (ja) * | 1998-07-10 | 2000-01-25 | Daicel Chem Ind Ltd | アセチル化硝化綿及びその製造方法 |
DE10220270B4 (de) * | 2002-05-07 | 2017-01-26 | Dow Global Technologies Inc. | Kontinuierliches Verfahren zur Herstellung und/oder Aufarbeitung von Polysaccharidderivaten |
WO2012040622A2 (en) * | 2010-09-23 | 2012-03-29 | General Dynamics Ordnance And Tactical Systems, Inc. | Method of preparing a stabilized nitrocellulose article |
CN111763265A (zh) * | 2020-07-14 | 2020-10-13 | 北京理工大学 | 一种硝化竹纤维素粗产品的精制方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1633292A (en) * | 1925-03-14 | 1927-06-21 | Atlas Powder Co | Process for reducing the viscosity of nitrocellulose and other cellulose esters |
US1757481A (en) * | 1926-11-06 | 1930-05-06 | Eastman Kodak Co | Process of reducing the viscosity of nitrocellulose |
GB289387A (en) * | 1927-04-25 | 1929-01-24 | Ig Farbenindustrie Ag | Process for converting nitrocelluloses which yield highly viscous solutions into nitrocelluloses which yield solutions of low viscosity |
US1818733A (en) * | 1928-02-23 | 1931-08-11 | Hercules Powder Co Ltd | Method for the digestion of nitrocellulose |
US1911201A (en) * | 1929-05-29 | 1933-05-30 | Hercules Powder Co Ltd | Apparatus for the digestion of nitrocellulose |
US2039381A (en) * | 1931-10-22 | 1936-05-05 | Du Pont | Reduction of viscosity of cellulose nitrate |
US1995117A (en) * | 1933-12-16 | 1935-03-19 | Dupont Viscoloid Company | Process for treating cellulose nitrate |
GB478212A (en) * | 1935-07-13 | 1938-01-13 | Du Pont | Improvements in or relating to the treatment of cellulose nitrate |
US2077455A (en) * | 1935-07-13 | 1937-04-20 | Du Pont | Stabilization of cellulose nitrate |
US2297734A (en) * | 1940-12-26 | 1942-10-06 | Trojan Powder Co | Stabilization of nitrated carbohydrates |
US2366880A (en) * | 1942-03-10 | 1945-01-09 | Hercules Powder Co Ltd | Production of nitrocellulose |
US2467324A (en) * | 1943-11-20 | 1949-04-12 | Monsanto Chemicals | Reducing viscosity of cellulose nitrate with morpholine |
US2970996A (en) * | 1951-09-19 | 1961-02-07 | Olin Mathieson | Purification of nitrocellulose |
US2776965A (en) * | 1956-03-28 | 1957-01-08 | Hercules Powder Co Ltd | Nitric acid esters of cellulose and method of preparation |
GB841738A (en) * | 1957-02-19 | 1960-07-20 | Inst Nac De Ind Ct De Estudios | New process for the preparation of stabilized nitrocellulose |
-
1980
- 1980-07-23 US US06/171,623 patent/US4323669A/en not_active Expired - Lifetime
-
1981
- 1981-06-16 KR KR1019810002181A patent/KR840000723B1/ko active
- 1981-06-25 NO NO812182A patent/NO812182L/no unknown
- 1981-07-01 PH PH25844A patent/PH16948A/en unknown
- 1981-07-13 JP JP56109202A patent/JPS5749601A/ja active Pending
- 1981-07-16 DE DE19813128209 patent/DE3128209A1/de not_active Withdrawn
- 1981-07-21 FR FR8114507A patent/FR2487361B1/fr not_active Expired
- 1981-07-21 CH CH4772/81A patent/CH650007A5/fr not_active IP Right Cessation
- 1981-07-22 IT IT23078/81A patent/IT1142033B/it active
- 1981-07-22 GB GB8122614A patent/GB2080309B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4323669A (en) | 1982-04-06 |
GB2080309B (en) | 1984-03-07 |
NO812182L (no) | 1982-01-25 |
FR2487361A1 (fr) | 1982-01-29 |
PH16948A (en) | 1984-04-24 |
IT1142033B (it) | 1986-10-08 |
GB2080309A (en) | 1982-02-03 |
FR2487361B1 (fr) | 1985-09-27 |
CH650007A5 (fr) | 1985-06-28 |
KR840000723B1 (ko) | 1984-05-24 |
DE3128209A1 (de) | 1982-04-08 |
KR830006331A (ko) | 1983-09-24 |
JPS5749601A (en) | 1982-03-23 |
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