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Hydroxyl-terminated polybutadiene - Wikipedia, the free encyclopedia (226 words) |
 | Hydroxyl-terminated polybutadiene (HTPB) is a polymer of butadiene terminated at each end with a hydroxyl functional group. |
| It is used to react with a diisocyanate to form a polyurethane, a stable and easily stored synthetic rubber, often used in tire manufacturing. |
| HTPB is thus a generic name for a class of compounds. |
| Solid fuel ramjet composition - Patent 5320692 (1032 words) |
| Though the performance of presently available standard solid fuel for ramjets containing HTPB is considered adequate, it is highly desirable to have ramjet solid fuel compositions of increased performance, as the range of missiles would be significantly increased and they could be deployed for tactical air launched missiles. |
| HTPB and DDI are mixed in the ratio of 78-22 by weight percent to form a composite and various additives singly or a mixture thereof are then added to the composite in a weight percent ratio corresponding to the weight of HTPB. |
| Thus HTPB fuel could be loaded with weight percentages of Al, Mg, and B.sub.4 C corresponding to the weight of HTPB, in quantities of up to 30 percent Al, up to 20 percent Mg and up to 50 percent B.sub.4 C in relation to HTPB. |
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