| abstract |
THE INVENTION PROVIDES DOUBLE BASE, SMOKE-FREE, CROSS-LINKED PROPULSIVE COMPOSITIONS WHICH HAVE GOOD MECHANICAL PROPERTIES WITHIN A WIDE TEMPERATURE RANGE. THESE COMPOSITIONS CONTAIN NITROCELLULOSE, AN ENERGY PLASTICIZER, A CROSSLINING AGENT WHICH IS A PREPOLYMER OF A HYDROXYL TERMINATION POLYESTER AND OF A DI-ISOCYANATE, A LEAD SALT AND BLACK CARBON. |