FR2332967A1 - Elastomer bonding material for polybutadiene based propellants - contains phenolic antioxidant to enhance adhesion - Google Patents

Elastomer bonding material for polybutadiene based propellants - contains phenolic antioxidant to enhance adhesion

Info

Publication number
FR2332967A1
FR2332967A1 FR7536433A FR7536433A FR2332967A1 FR 2332967 A1 FR2332967 A1 FR 2332967A1 FR 7536433 A FR7536433 A FR 7536433A FR 7536433 A FR7536433 A FR 7536433A FR 2332967 A1 FR2332967 A1 FR 2332967A1
Authority
FR
France
Prior art keywords
bonding material
elastomer
propellant
phenolic antioxidant
polybutadiene
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.)
Granted
Application number
FR7536433A
Other languages
French (fr)
Other versions
FR2332967B1 (en
Inventor
Jean-Michel Tauzia
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.)
Societe Nationale des Poudres et Explosifs
Original Assignee
Societe Nationale des Poudres et Explosifs
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 Societe Nationale des Poudres et Explosifs filed Critical Societe Nationale des Poudres et Explosifs
Priority to FR7536433A priority Critical patent/FR2332967A1/en
Publication of FR2332967A1 publication Critical patent/FR2332967A1/en
Application granted granted Critical
Publication of FR2332967B1 publication Critical patent/FR2332967B1/fr
Granted 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
    • C06B45/12—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Molecular Biology (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

An elastomer based bonding material, for use with composite propellant blocks contg. a polybutadiene binder, also contains phenolic antioxidant(s) as polubutadiene polymerisation catalyst. The bonding material is partially coated on the propellant block to act as inhibitor or as primary layer between the propellant and inhibitor. It contains an elastomer and opt. a refractory filler and/or endothermic decompsn. filler. The elastomer is esp. polybutadiene, EPDM, or a trisequenced copolymer of styrene with butadiene or isoprene Pref. phenolic antioxidants are tri(nonyl phenyl)phosphite (I), di(t.butyl)p-cresol (II) and pentaerythritol tetra 3-(3,5-di-t.butyl-4-hydroxyphenyl)-propionate (III). Improved mechanical properties are obtd., e.g. shear, traction and peel resistance since the propellant surface is more highly crosslinked than the interior and is chemically bonded to the elastomer of the bonding material.
FR7536433A 1975-11-28 1975-11-28 Elastomer bonding material for polybutadiene based propellants - contains phenolic antioxidant to enhance adhesion Granted FR2332967A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7536433A FR2332967A1 (en) 1975-11-28 1975-11-28 Elastomer bonding material for polybutadiene based propellants - contains phenolic antioxidant to enhance adhesion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536433A FR2332967A1 (en) 1975-11-28 1975-11-28 Elastomer bonding material for polybutadiene based propellants - contains phenolic antioxidant to enhance adhesion

Publications (2)

Publication Number Publication Date
FR2332967A1 true FR2332967A1 (en) 1977-06-24
FR2332967B1 FR2332967B1 (en) 1978-05-19

Family

ID=9163030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536433A Granted FR2332967A1 (en) 1975-11-28 1975-11-28 Elastomer bonding material for polybutadiene based propellants - contains phenolic antioxidant to enhance adhesion

Country Status (1)

Country Link
FR (1) FR2332967A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034850A2 (en) * 1980-02-21 1981-09-02 "s.a. PRB", Société anonyme Process for preparing insulated propellant charges
FR2601669A1 (en) * 1986-07-21 1988-01-22 Poudres & Explosifs Ste Nale PREFORM INHIBITOR BASED ON RUBBER GUM FOR PROPERGOL COMPOSITE BINDER POLYURETHANE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034850A2 (en) * 1980-02-21 1981-09-02 "s.a. PRB", Société anonyme Process for preparing insulated propellant charges
EP0034850A3 (en) * 1980-02-21 1983-01-12 "S.A. Prb", Societe Anonyme Process for preparing insulated propellant charges and propellant charge with an insulating liner so prepared
FR2601669A1 (en) * 1986-07-21 1988-01-22 Poudres & Explosifs Ste Nale PREFORM INHIBITOR BASED ON RUBBER GUM FOR PROPERGOL COMPOSITE BINDER POLYURETHANE
EP0254618A1 (en) * 1986-07-21 1988-01-27 Societe Nationale Des Poudres Et Explosifs Preformed inhibitor based on rubber gum for a composite propellant with a polyurethane binder

Also Published As

Publication number Publication date
FR2332967B1 (en) 1978-05-19

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Legal Events

Date Code Title Description
ST Notification of lapse