A GEOMETRIC INTERPRETATION OF PONTRJAGIN'S MAXIMUM PRINCIPLE

Abstract

An evaluation of 50 organoboron compounds as durable, flame-resistant finishes for cotton fabric, was made. Some were effective for imparting initial flame resistance, but none produced flame-resistant effects that would withstand even mild laundering. Approximately 100 preparations of organoboron compounds were carried out. Treatments were applied to 4 forms of the cotton fabric: as essentially pure cellulose, as alkali cellulose, as aminocellulose, and as cellulose-amine complexes. The ranges of organoboron compounds and of cellulose modifications made it possible to explore the hydrolytic stability of a variety of types of chemical and physical linkages as well as the effects of various side groups. In no case were any flame-resistant or washfast effects observed that would indicate any advantage of the organoboron compounds over the ordinary boric acid-boric oxide mixtures.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1961
Accession Number
AD0268269

Entities

People

  • Emilio Roxin

Organizations

  • Martin Marietta

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Boric Acids
  • Boundaries
  • Differential Equations
  • Equations
  • Government Procurement
  • Governments
  • Inequalities
  • Intervals
  • New York
  • Partial Differential Equations
  • Sequences
  • Theorems
  • Time Intervals
  • Trajectories
  • United States
  • Variational Equations

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  • Polymer Science and Engineering.