Research/Patents/US 5574126
US 5574126Tier 3 — General Defense

ENERGETIC FLUORONITRO PREPOLYMER

Assignee

US Government

Filed as: UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

Filed

May 23, 1985

Granted

Nov 12, 1996

Location

SILVER SPRING MD US

Abstract

Hydroxy-terminated poly(2-fluoro-2,2-dinitroethyl) polynitroorthocarbonate prepolymers of the formula <IMAGE> which are prepared by reacting bis(2-fluoro-2,2-dinitroethyl)dichloroformal with a diol of the formula <IMAGE> wherein n>1, and wherein W, X, Y, and Z vary independently and are F or NO2, and wherein A is -CH2-, -CH2CH2-, -CH2CH2CH2-, -CF2-, -CF2CF2-, -CF2CF2CF2-, -CF2CF2CF2CF2-, -CH2OCH2-, -CH2OCH2OCH2-,-CH2OCF2OCH2-, or -CH2N(NO2)CH2-. These prepolymers are reacted with curing agents (e.g., polyisocyanates) to form energetic polymeric binders.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 22, 1988

Rescinded

Jan 19, 1995

Duration

6 years, 10 months

Inventor

  • 1G. WILLIAM LAWRENCE
Back to patent indexSource: USPTO 35 USC §181 secrecy order records