|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||149/199 ; 149/194 ; 149/88|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 3 인용 특허 : 8|
Polybutadiene-compatible, energetic nitrate ester plasticizers of aliphatic hydroxyl compounds, having from 6 to 18 carbon atoms per molecule, and a carbon/nitrate-group (C/NO3) ratio of 3 to 8 are described. The plasticizers allow to reduce the solids content of PBD-propellant compositions, resulting in significantly improved processabilty and, in many instances, also better mechanical properties. The very low viscosity of the uncured propellant binders permits processing and cure at ambient temperature, yielding essentially stress-free grains, thus les...
An isocyanate-curable solid propellant composition comprising: an inorganic oxidizer, a metallic fuel, and a polybutadiene binder, wherein the improvement consists of said binder containing polybutadiene-compatible, nitrate ester plasticizers of aliphatic hydroxyl compounds, having hydrocarbon chains from 6 to 18 carbon atoms, and a ratio of 4 to 8 carbon atoms per nitrate group, and where said plasticizers constitute from 40 to 75 percent of the total weight of said binder.