NO812182L - Prosess for rensing av nitrocellulose. - Google Patents
Prosess for rensing av nitrocellulose.Info
- Publication number
- NO812182L NO812182L NO812182A NO812182A NO812182L NO 812182 L NO812182 L NO 812182L NO 812182 A NO812182 A NO 812182A NO 812182 A NO812182 A NO 812182A NO 812182 L NO812182 L NO 812182L
- Authority
- NO
- Norway
- Prior art keywords
- nitrocellulose
- approx
- fibers
- slurry
- water
- Prior art date
Links
- 239000000020 Nitrocellulose Substances 0.000 title claims description 80
- 229920001220 nitrocellulos Polymers 0.000 title claims description 80
- 238000000034 method Methods 0.000 title claims description 34
- 238000004140 cleaning Methods 0.000 title description 2
- 239000002002 slurry Substances 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 229910001868 water Inorganic materials 0.000 claims description 36
- 239000000835 fiber Substances 0.000 claims description 29
- 239000002253 acid Substances 0.000 claims description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 239000003637 basic solution Substances 0.000 claims description 9
- 238000006396 nitration reaction Methods 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 75
- 229940079938 nitrocellulose Drugs 0.000 description 75
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 11
- 229920002678 cellulose Polymers 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 238000009835 boiling Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 239000003380 propellant Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000004063 acid-resistant material Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 230000000802 nitrating effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 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 (1)
| Publication Number | Publication Date |
|---|---|
| NO812182L true NO812182L (no) | 1982-01-25 |
Family
ID=22624499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO812182A NO812182L (no) | 1980-07-23 | 1981-06-25 | Prosess for rensing av nitrocellulose. |
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 CH CH4772/81A patent/CH650007A5/fr not_active IP Right Cessation
- 1981-07-21 FR FR8114507A patent/FR2487361B1/fr not_active Expired
- 1981-07-22 GB GB8122614A patent/GB2080309B/en not_active Expired
- 1981-07-22 IT IT23078/81A patent/IT1142033B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CH650007A5 (fr) | 1985-06-28 |
| IT1142033B (it) | 1986-10-08 |
| KR840000723B1 (ko) | 1984-05-24 |
| KR830006331A (ko) | 1983-09-24 |
| FR2487361A1 (fr) | 1982-01-29 |
| GB2080309B (en) | 1984-03-07 |
| JPS5749601A (en) | 1982-03-23 |
| US4323669A (en) | 1982-04-06 |
| FR2487361B1 (fr) | 1985-09-27 |
| DE3128209A1 (de) | 1982-04-08 |
| PH16948A (en) | 1984-04-24 |
| IT8123078A0 (it) | 1981-07-22 |
| GB2080309A (en) | 1982-02-03 |
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