초록 ▼

A family of high performance, large launch vehicle, solid propellants based on polyglycidyl nitrate elastomer binders. A clean, large launch vehicle, solid propellant based on a polyglycidyl nitrate elastomer binder, ammonium nitrate oxidizer and aluminum or magnesium fuel optimizes at low solids le

A family of high performance, large launch vehicle, solid propellants based on polyglycidyl nitrate elastomer binders. A clean, large launch vehicle, solid propellant based on a polyglycidyl nitrate elastomer binder, ammonium nitrate oxidizer and aluminum or magnesium fuel optimizes at low solids levels and produces essentially no HCl or chloride ion in the exhaust.

대표청구항 ▼

[ We claim:] [1.] A high energy, large launch vehicle, solid propellant having a theoretical specific impulse, at a pressure ratio of 1,000 psi to 14.7 psi, of at least about 250 lb-sec/lb and comprising an isocyanate cured polyglycidyl nitrate binder and from about 60 to about 75% by weight high en

[ We claim:] [1.] A high energy, large launch vehicle, solid propellant having a theoretical specific impulse, at a pressure ratio of 1,000 psi to 14.7 psi, of at least about 250 lb-sec/lb and comprising an isocyanate cured polyglycidyl nitrate binder and from about 60 to about 75% by weight high energy particulate solids comprising ammonium nitrate oxidizer particulates and fuel particulates selected from aluminum and magnesium and wherein the polyglycidyl nitrate is an isocyanate curable polyglycidyl nitrate polymer having a functionality of nearly 2.0 or more and a hydroxyl equivalent weight of from about 1000 to about 1700 and has less than about 2 to 5% by weight cyclic oligomer present in the polyglycidyl nitrate.