CH431946A - Procédé de préparation de particules densifiées de nitrocellulose - Google Patents

Procédé de préparation de particules densifiées de nitrocellulose

Info

Publication number
CH431946A
CH431946A CH343365A CH343365A CH431946A CH 431946 A CH431946 A CH 431946A CH 343365 A CH343365 A CH 343365A CH 343365 A CH343365 A CH 343365A CH 431946 A CH431946 A CH 431946A
Authority
CH
Switzerland
Prior art keywords
nitrocellulose particles
densified nitrocellulose
preparing
preparing densified
particles
Prior art date
Application number
CH343365A
Other languages
English (en)
Inventor
James Sapiego John
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 CH431946A publication Critical patent/CH431946A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0008—Compounding the ingredient
    • C06B21/0016—Compounding the ingredient the ingredient being nitrocellulose or oranitro cellulose based propellant; Working up; gelatinising; stabilising
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0008—Compounding the ingredient
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0033—Shaping the mixture
    • C06B21/0066—Shaping the mixture by granulation, e.g. flaking
    • 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
    • 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
    • C08B5/06—Isolation of the cellulose nitrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH343365A 1964-04-08 1965-03-11 Procédé de préparation de particules densifiées de nitrocellulose CH431946A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US358366A US3236702A (en) 1964-04-08 1964-04-08 Manufacture of densified spheroidal fine particle nitrocellulose

Publications (1)

Publication Number Publication Date
CH431946A true CH431946A (fr) 1967-03-15

Family

ID=23409380

Family Applications (1)

Application Number Title Priority Date Filing Date
CH343365A CH431946A (fr) 1964-04-08 1965-03-11 Procédé de préparation de particules densifiées de nitrocellulose

Country Status (7)

Country Link
US (1) US3236702A (fr)
BE (1) BE662278A (fr)
CH (1) CH431946A (fr)
DE (1) DE1446879A1 (fr)
FR (1) FR1436182A (fr)
GB (1) GB1075193A (fr)
NL (1) NL6504498A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341515A (en) * 1964-07-28 1967-09-12 Hercules Inc Manufacture of hydrocarbon-wet, densified nitrocellulose
US3325315A (en) * 1965-12-14 1967-06-13 Hercules Inc Manufacture of densified spheroidal nitrocellulose of high viscosity at casting temperatures
US3325571A (en) * 1966-01-25 1967-06-13 Hercules Inc Process for the manufacture of smokeless powder
USRE28361E (en) * 1966-02-08 1975-03-11 Polymer pigmentation
US3325572A (en) * 1966-05-24 1967-06-13 Hercules Inc Process for preparing small, densified nitrocellulose particles
US3346675A (en) * 1966-09-08 1967-10-10 Hercules Inc Method of preparing small particle nitrocellulose
US3632369A (en) * 1969-12-11 1972-01-04 Coaden Oil & Chemical Co Polymer pigmentation
US4163681A (en) * 1970-04-15 1979-08-07 The United States Of America As Represented By The Secretary Of The Navy Desensitized explosives and castable thermally stable high energy explosive compositions therefrom
US3967973A (en) * 1972-04-21 1976-07-06 Owens-Illinois, Inc. Vehicle and sealing glass paste and method for making same
US3985691A (en) * 1972-05-17 1976-10-12 Societe Nationale Des Poudres Et Explosifs Particulate nitrocellulose composition
US3925125A (en) * 1973-12-06 1975-12-09 Us Navy Moisture replacement in pelletized nitrocellulose
US3962382A (en) * 1974-08-27 1976-06-08 The United States Of America As Represented By The Secretary Of The Navy Process for forming a pourable plastisol nitrocellulose slurry
GB2067568B (en) * 1979-12-28 1984-05-31 Asahi Chemical Ind Nitrocellulose composition and process for production thereof
FR2494263A1 (fr) * 1980-11-14 1982-05-21 Poudres & Explosifs Ste Nale Procede de fabrication de poudres propulsives fines par granulation et poudres ainsi obtenues
DE4336049C1 (de) * 1993-10-22 1995-03-09 Fraunhofer Ges Forschung Verfahren zur Herstellung von sphärolithischem Nitroguanidin
RU2685662C1 (ru) * 2018-04-04 2019-04-22 Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") Способ измельчения нитратов целлюлозы
CN113512905A (zh) * 2020-04-09 2021-10-19 刘永胜 一种纸托加工工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715574A (en) * 1951-06-14 1955-08-16 Olin Mathieson Process of making spherical powder grains
US2946673A (en) * 1955-12-29 1960-07-26 Hercules Powder Co Ltd Manufacture of double-base propellant grains
US2885736A (en) * 1956-03-26 1959-05-12 Olin Mathieson Nitrocellulose particles

Also Published As

Publication number Publication date
NL6504498A (fr) 1965-10-11
GB1075193A (en) 1967-07-12
BE662278A (fr) 1965-10-08
DE1446879A1 (de) 1969-04-17
FR1436182A (fr) 1966-04-22
US3236702A (en) 1966-02-22

Similar Documents

Publication Publication Date Title
FR1436182A (fr) Procédé de préparation de particules densifiées de nitrocellulose
CH471833A (fr) Procédé de préparation de stéroïdes-oxazolines
CH468412A (fr) Procédé de préparation de chlordialcoylthiophosphates
FR89870E (fr) Procédé de préparation de nu-vinyl-amides
CH429731A (fr) Procédé de préparation de benzoxazépines
CH476766A (fr) Procédé de préparation de particules de nitrocellulose densifiée
FR1515015A (fr) Procédé de préparation de poly-n-oxydes
CH471161A (fr) Procédé de préparation de nitrocellulose densifiée à petites particules
CH452518A (fr) Procédé de préparation de 17a-acyloxy-11B-hydroxystéroïdes
CH436278A (fr) Procédé de préparation de 17-éthynyl-19-nor-stéroïdes
FR1444255A (fr) Procédé de préparation de chromanols
CH460985A (fr) Procédé de préparation de complexes chromifères mixtes
FR1354508A (fr) Procédé de préparation de 3-alcoyl-phénols
FR1505675A (fr) Procédé de préparation de 6alpha-fluoro-16-méthylène-stéroïdes
FR1378405A (fr) Procédé de préparation de 3-alcoyl-phénols
FR1381644A (fr) Procédé de préparation de 19-nor-stéroïdes
FR1440280A (fr) Procédé de préparation de polyéthers
FR1467715A (fr) Procédé de préparation de polysulfones
FR1490102A (fr) Procédé de préparation de para-dialkylbenzènes
FR1495121A (fr) Procédé de préparation de 5beta-h-6-oxo-delta-14alpha-hydroxy-stéroïdes
FR1502384A (fr) Procédé de préparation de 2-oxa-1-hydroxyméthyl-stéroïdes
FR1481982A (fr) Procédé de préparation de 6-alkyl-16alpha-halogénoprogestérones
FR1462365A (fr) Procédé de préparation de benzamidoalkyl-thiopseudourées
FR1482534A (fr) Procédé de préparation de diazaspirodécane-diones
FR1479869A (fr) Procédé de préparation de poly-épisulfures