Combustion inhibitors on a base of oxygenated polyurethane elastomer which contains fibers for the double base propellant
US4536235A · kind A · utility
12Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1983 |
| Grant date | Aug 20, 1985 |
| Priority date | — |
| Expiry date | Dec 20, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC06B45/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A combustion inhibitor for a double base propellant is described which comprises a polyurethane elastomer having in chemically combined form a compound which is an aliphatic polyester polyol or an aliphatic polyether polyol, or a mixture thereof, which compound contains 2-6 hydroxyl groups per molecule, and an aliphatic polyisocyanate. The inhibitor also contains 0.1-10 parts by weight of mineral fibers or thermostable organic fibers of length between 0.1 mm and 15 mm per 100 parts inhibitor. The inhibitor may contain an organic gasifiable charge and an aliphatic plasticizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.