Nothing Special   »   [go: up one dir, main page]

FR2487361B1 - Procede de purification de la nitrocellulose - Google Patents

Procede de purification de la nitrocellulose

Info

Publication number
FR2487361B1
FR2487361B1 FR8114507A FR8114507A FR2487361B1 FR 2487361 B1 FR2487361 B1 FR 2487361B1 FR 8114507 A FR8114507 A FR 8114507A FR 8114507 A FR8114507 A FR 8114507A FR 2487361 B1 FR2487361 B1 FR 2487361B1
Authority
FR
France
Prior art keywords
nitrocellulosis
purification
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8114507A
Other languages
English (en)
Other versions
FR2487361A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hercules LLC
Original Assignee
Hercules LLC
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 LLC filed Critical Hercules LLC
Publication of FR2487361A1 publication Critical patent/FR2487361A1/fr
Application granted granted Critical
Publication of FR2487361B1 publication Critical patent/FR2487361B1/fr
Expired legal-status Critical Current

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)
FR8114507A 1980-07-23 1981-07-21 Procede de purification de la nitrocellulose Expired FR2487361B1 (fr)

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
FR2487361A1 FR2487361A1 (fr) 1982-01-29
FR2487361B1 true FR2487361B1 (fr) 1985-09-27

Family

ID=22624499

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8114507A Expired FR2487361B1 (fr) 1980-07-23 1981-07-21 Procede de purification de la nitrocellulose

Country Status (10)

Country Link
US (1) US4323669A (fr)
JP (1) JPS5749601A (fr)
KR (1) KR840000723B1 (fr)
CH (1) CH650007A5 (fr)
DE (1) DE3128209A1 (fr)
FR (1) FR2487361B1 (fr)
GB (1) GB2080309B (fr)
IT (1) IT1142033B (fr)
NO (1) NO812182L (fr)
PH (1) PH16948A (fr)

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
US20120076443A1 (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
IT1142033B (it) 1986-10-08
CH650007A5 (fr) 1985-06-28
KR830006331A (ko) 1983-09-24
KR840000723B1 (ko) 1984-05-24
NO812182L (no) 1982-01-25
JPS5749601A (en) 1982-03-23
DE3128209A1 (de) 1982-04-08
FR2487361A1 (fr) 1982-01-29
GB2080309A (en) 1982-02-03
PH16948A (en) 1984-04-24
US4323669A (en) 1982-04-06
IT8123078A0 (it) 1981-07-22
GB2080309B (en) 1984-03-07

Similar Documents

Publication Publication Date Title
FR2479187B1 (fr) Procede de preparation de n-octadienol
RO81943A (fr) Procede de preparation des derives de pyridoxyne
RO81944A (fr) Procede de preparasiton des imidosulfamides
PT76595B (fr) Procede de preparation de benzoazacycloalkyl-spiro-imidazolidines
RO82276A (fr) Procede de synthese du chloroformiates alpha-chlorures
FR2545501B1 (fr) Procede de purification de la dextrane-saccharase
FR2555575B1 (fr) Procede de preparation de 4-alcoxyanilines
FR2524316B1 (fr) Procede de photodecontamination
FR2496660B1 (fr) Procede de preparation de n-acylcarnosine
BE889546A (fr) Procede de preparation de n-cyclohexylbenzothiazole-2-sulfenamide
FR2487361B1 (fr) Procede de purification de la nitrocellulose
FR2534905B1 (fr) Procede de preparation de phenylcetones
PT74559A (fr) Procede de preparation de trifluoromethylphenyl-tetrahydropyri-dines substituees
FR2550190B1 (fr) Procede de preparation de b-phenylserine
FR2512945B1 (fr) Procede de
GB2071127B (en) Process for the purification of glucosaninoglucans
FR2528825B1 (fr) Procede de preparation de meta-chlorobenzotrifluorure
FR2549041B1 (fr) Procede de purification de 4-fluorophenol
RO81430A (fr) Procede de preparation des azolul siliglycolethers
FR2531714B1 (fr) Procede de purification de s-adenosyl-l-methionine
BE884784A (fr) Procede de purification de solutions de cobalt (ii)
FR2527603B1 (fr) Procede catalytique de preparation de thio-bis-phenols
FR2493310B1 (fr) Procede de preparation de thymosine a1
IT1141264B (it) Processo per la purificazione di glicosaminoglicani
FR2550790B1 (fr) Procede de preparation de la 4-methylionone

Legal Events

Date Code Title Description
ST Notification of lapse