Delayed quick cure rocket motor liner
US4736684A · kind A · utility
6Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Jan 16, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02K9/346
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved composition, curable to form a rocket engine liner. The uncured liner composition has a long pot life and cures rapidly. The composition comprises a hydroxyl terminated polybutadiene prepolymer; a diisocyanate curing agent for forming urethane linkages with said prepolymer; a trifunctional aziridine bond promoter; a filler; and a curing catalyst comprising maleic anhydride, magnesium oxide, and triphenyl bismuth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.