EP0031682A3 - Slurry cast double base propellants - Google Patents

Slurry cast double base propellants Download PDF

Info

Publication number
EP0031682A3
EP0031682A3 EP80304590A EP80304590A EP0031682A3 EP 0031682 A3 EP0031682 A3 EP 0031682A3 EP 80304590 A EP80304590 A EP 80304590A EP 80304590 A EP80304590 A EP 80304590A EP 0031682 A3 EP0031682 A3 EP 0031682A3
Authority
EP
European Patent Office
Prior art keywords
double base
propellant
slurry
powder granules
casting powder
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.)
Ceased
Application number
EP80304590A
Other languages
German (de)
French (fr)
Other versions
EP0031682A2 (en
Inventor
Donald Edward Elrick
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 EP0031682A2 publication Critical patent/EP0031682A2/en
Publication of EP0031682A3 publication Critical patent/EP0031682A3/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
    • C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
    • C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
    • C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
    • 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
    • C06B21/0058—Shaping the mixture by casting a curable composition, e.g. of the plastisol type
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B25/00—Compositions containing a nitrated organic compound
    • C06B25/18—Compositions containing a nitrated organic compound the compound being nitrocellulose present as 10% or more by weight of the total composition
    • C06B25/24—Compositions containing a nitrated organic compound the compound being nitrocellulose present as 10% or more by weight of the total composition with nitroglycerine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A slurry casting process is described capable of produ­ cing crosslinked double base propellant having improved burn­ ing rates and high specific impulse. Such propellants can be formulated to be smokeless. Improved burning rates are achieved by incorporating into a slurry of double base compo­ sition, casting powder granules containing 20% to 75% by weight of small particle ammonium perchlorate. The casting powder granules substantially retain their identity in the cured propellant matrix. The casting powder granules have a high burning rate and are uniformly distributed throughout the propellant. The granules are responsible for increasing the burning rate of the entire crosslinked double base propellant composition of the invention.
EP80304590A 1979-12-28 1980-12-18 Slurry cast double base propellants Ceased EP0031682A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10826879A 1979-12-28 1979-12-28
US108268 1979-12-28

Publications (2)

Publication Number Publication Date
EP0031682A2 EP0031682A2 (en) 1981-07-08
EP0031682A3 true EP0031682A3 (en) 1981-08-26

Family

ID=22321207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80304590A Ceased EP0031682A3 (en) 1979-12-28 1980-12-18 Slurry cast double base propellants

Country Status (4)

Country Link
EP (1) EP0031682A3 (en)
JP (1) JPS56100194A (en)
CA (1) CA1154260A (en)
NO (1) NO803572L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864297A (en) * 1981-10-09 1983-04-16 日産自動車株式会社 Composite propellant
FR2680783B1 (en) * 1983-06-30 1994-05-06 Poudres Explosifs Ste Nale PROCESS FOR IMPROVING THE MECHANICAL PROPERTIES OF A DOUBLE COMPOSITE BASED PROPERGOL OBTAINED BY THE MOLDING METHOD AND PROPERGOL THUS OBTAINED.
GB2152920B (en) * 1983-08-12 1987-06-24 Secr Defence Propellant composition

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813458A (en) * 1968-06-05 1974-05-28 Hercules Inc Random orientation of staple in slurry-cast propellants

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813458A (en) * 1968-06-05 1974-05-28 Hercules Inc Random orientation of staple in slurry-cast propellants

Also Published As

Publication number Publication date
NO803572L (en) 1981-06-29
CA1154260A (en) 1983-09-27
EP0031682A2 (en) 1981-07-08
JPS56100194A (en) 1981-08-11

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): DE FR GB IT

AK Designated contracting states

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19820218

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19841126

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ELRICK, DONALD EDWARD