Ambient Temperature Binder Cure Catalysts for Hydroxy Terminated Systems

Abstract

Catalyst systems which strike a satisfactory balance between potlife and time required for full cure have been developed for use in ambient cure catalysis of either R-45M or Li initiated HTPB propellants. The most sophisticated of these consists of the catalyst proper (Fe(AA)3), a suppressor (HAA and/or alpha-hydroxy acid) which temporarily inactivates the catalyst, and a scavenger (ZnO) which slowly consumes the suppressor thus reactivating the catalyst. Aging, mechanical properties and processing are not adversely affected by these catalyst systems. It is conclusively shown that the rate of cure will affect the final mechanical properties of the propellant, slower curing propellants being softer. New information on the complexity of the propellant cure is presented, and new theoretical concepts, which have an important bearing on network analysis and interpretation of experimental data, have been advanced.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1971
Accession Number
AD0888195

Entities

People

  • Adolf E. Oberth
  • Edmund J. Mastrolia

Organizations

  • Aerojet Rocketdyne Holdings

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Chemical Reactions
  • Chemical Synthesis
  • Chemistry
  • Composite Materials
  • Iron Compounds
  • Materials Processing
  • Materials Science
  • Mechanical Properties
  • Organic Chemistry
  • Polymer Chemistry

Readers

  • Educational Psychology
  • Polymer Science and Engineering.
  • Rocket Propulsion.