IT1142033B - Processo per la purificazione della nitrocellulosa - Google Patents

Processo per la purificazione della nitrocellulosa

Info

Publication number
IT1142033B
IT1142033B IT23078/81A IT2307881A IT1142033B IT 1142033 B IT1142033 B IT 1142033B IT 23078/81 A IT23078/81 A IT 23078/81A IT 2307881 A IT2307881 A IT 2307881A IT 1142033 B IT1142033 B IT 1142033B
Authority
IT
Italy
Prior art keywords
nitrocellulose
purification process
purification
nitrocellulose purification
Prior art date
Application number
IT23078/81A
Other languages
English (en)
Other versions
IT8123078A0 (it
Inventor
William Theodore Bolleter
Carl Davis Chandler
Original Assignee
Hercules Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hercules Inc filed Critical Hercules Inc
Publication of IT8123078A0 publication Critical patent/IT8123078A0/it
Application granted granted Critical
Publication of IT1142033B publication Critical patent/IT1142033B/it

Links

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)
IT23078/81A 1980-07-23 1981-07-22 Processo per la purificazione della nitrocellulosa IT1142033B (it)

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 IT8123078A0 (it) 1981-07-22
IT1142033B true 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB2080309A (en) 1982-02-03
IT8123078A0 (it) 1981-07-22
PH16948A (en) 1984-04-24
NO812182L (no) 1982-01-25
FR2487361A1 (fr) 1982-01-29
DE3128209A1 (de) 1982-04-08
KR830006331A (ko) 1983-09-24
KR840000723B1 (ko) 1984-05-24
FR2487361B1 (fr) 1985-09-27
JPS5749601A (en) 1982-03-23
US4323669A (en) 1982-04-06
GB2080309B (en) 1984-03-07
CH650007A5 (fr) 1985-06-28

Similar Documents

Publication Publication Date Title
BR8506340A (pt) Processo de purificacao de tantalo
BR8305811A (pt) Processo de hidroformilacao
BR8302315A (pt) Processo de hidrocraqueamento
PT84415B (pt) Processo de purificacao de alfa-1-antiprotease
IT1110267B (it) Processo di purificazione di soluzioni di policaronato
BR8104564A (pt) Processo de preparacao de catalisador
BR7805718A (pt) Processo de purificacao de dinitro-anilina
BR8103797A (pt) Processo de gaseificacao
BR8104624A (pt) Processo de mineracao
BR8305461A (pt) Processo de dessulfuracao de gas
DK443586D0 (da) Vandrensningsproces
BR8108813A (pt) Processo de recuperacao de ouro
BR8101680A (pt) Processo de preparacao de malation
BR8103552A (pt) Processo de conducao de altoforno
BR8001318A (pt) Processo de purificacao de mercaptobenzotiazol
IT1142033B (it) Processo per la purificazione della nitrocellulosa
IT1140948B (it) Processo per la preparazione del mono-metallil-etere della pirocatechina
IT1155357B (it) Processo per la preparazione della kentanserina
BR8502841A (pt) Processo de purificacao de mercaptobenzotiazola
BR8403050A (pt) Processo de auto-hidrogenacao
BR8707074A (pt) Processo
IT1141264B (it) Processo per la purificazione di glicosaminoglicani
IT1141095B (it) Processo di risoluzione della sulpiride racema
IT1173261B (it) Procedimento di purificazione del caprolattame
BR7703572A (pt) Processo de purificacao de epsilon-caprolactama