Modified double base propellants with diisocyanate crosslinker专利检索-丙酮酸酮酸酸，碱，盐，酸酐和碱专利检索查询-专利查询网

Modified double base propellants with diisocyanate crosslinker

阅读：855发布：2023-08-26

专利汇可以提供Modified double base propellants with diisocyanate crosslinker专利检索，专利查询，专利分析的服务。并且1. A propellant composition consisting of at least one of a member of nitrocelluloses selected from a group consisting of densified nitrocellulose, fluid ball powder nitrocellulose and plastisol nitrocellulose, at least one of a member of solid oxidizers selected from a group consisting of ammonium perchlorate, cyclotetramethylene tetranitramine, cyclotrimethylene trinitramine and nitroguanide, at least one of a member of explosive plasticizers selected from a group consisting of nitroglycerin, diethylene glycol dinitrate, triethylene glycol dinitrate and metriol trinitrate, at least one of a member of non-explosive plasticizers selected from a group consisting of triacetin, diallyl phthalate, di-n-propyl adipate, dimethyl sebacate, adiponitrile, isophorone (3,5,5-trimethyl-2cyclohexen-1-one), o-chloronitrobenzene and dinitrotoluene, a stabilizer selected from a group consisting of 2nitrodiphenylamine resorcinol diacetate and symmetrical diethyldiphenylurea, a crosslinking agent selected from a group consisting of 2,4-tolylene diisocyanate, hexamethylene diisocyanate, bitolylene diisocyanate, polyaryl polyisocyanate, 2,6-diisocyanate and 3,3''-dimethyl diphenylmethane 4,4''diisocyanate, and a crosslinking catalyst selected from a group consisting of ferric acelylacetonate, lead 2-ethylhexoate, and di-n-butyl tin diacetate.，下面是Modified double base propellants with diisocyanate crosslinker专利的具体信息内容。

权利要求

1. A PROPELLANT COMPOSITION CONSISTING OF AT LEAST ONE OF A MEMBER OF NITROCELLULOSES SELECTED FROM A GROUP CONSISTING OF DENSIFIED NITROCELLULOSE, FLUID BALL POWDER NITROCELLULOSE AND PLASTISOL NITROCELLULOSE, AT LEAST ONE OF A MEMBER OF SOLID OXIDIZERS SELECTED FROM A GROUP CONSISTING OF AMMONIUM PERCHLORATE, CYCLOTETRAMETHYLENE TETRANITRAMINE, CYCLOTRIMETHYLENE TRINITRAMINE AND NITROGUANIDE, AT LEAST ONE OF A MEMBER OF EXPLOSIVE PLASTICIZERS SELECTED FROM A GROUP CONSISTING OF NITROGLYCERIN, DIETHYLENE GLYCOL DINITRATE, TRIETHYLENE GLYCOL DINITRATE AND METRIOL TRINITRATE, AT LEAST ONE OF A MEMBER OF NON-EXPLOSIVE PLASTICIZERS SELECTED FROM A GROUP CONSISTING OF TRIACETIN, DIALLYL PHTHALATE, DI-N-PROPYL ADIPATE, DIMETHYL SEBACATE, ADIPONITRILE, ISOPHORONE (3,5,5-TRIMETHYL-2-CYCLOHEXEN1-ONE), O-CHLORONITROBENZENE AND DINITROTOLUENE A STABILIZER SELECTED FROM A GROUP CONSISTING OF 2-NITRODIPHENYLAMINE RESORCINOL DIACETATE AND SYMMETRICAL DIETHYLDIPHENYLUREA, A CROSSLINKING AGENT SELECTED FROM A GROUP CONSISTING OF 2,4TOLYLENE DIISOCYANATE, HEXAMETHYLENE DIISOCYANATE, BITOLYLENE DIISOCYANATE, POLYARYL POLYISOCYANATE, 2,6-DIISOCYANATE AND 3,3''-DIMETHYL DIPHENYLMETHANE 4,4''-DIISOCYANATE, AND A CROSSLINKING CATALYST SELECTED FROM A GROUP CONSISTING OF FERRIC ACELYLACETONATE, LEAD 2-ETHYLHEXOATE, AND DI-N-BUTYL TIN DIACETATE.

2. A method for the preparation of a modified double base propellant grain comprising the steps of (1) adding while stirring at about 2 mm pressure nitrocellulose, ammonium perchlorate and aluminum to a solution composed of nitroglycerin, di-n-propyl adipate, 2-nitrophenylamine, resorcinol diacetate, 2, 4-tolylene diisocyanate and ferric acetylacetonate, (2) transferring the resulting mixture under lower pressure to a container, and (3) curing for about seven days at a temperature ranging between 100* to 120* C.

3. A method for the preparation of modified double base propellants comprising the steps of (1) stirring 100 parts of the following mixture consisting of (a) 11 parts by weight nitrocellulose, (b) 22 parts by weight ammonium perchlorate, (c) 20 parts by weight aluminum, (d) 34.79 parts by weight nitroglycerin, (e) 11.13 parts by weight triacetin, (f) 1.03 parts by weight 2-nitrodiphenylamine and (g) 0.07 parts by weight lead 2-ethylhexoate, with 58 parts methylene chloride until the solids are well dispersed, (2) removing all but about 10% of the methylene chloride by heating to a temperature of about 40* -45* C., (3) adding 0.3 parts by weight 2,4-tolylene diisocyanate, (4) transferring the mixture under pressure of about 15 psi. to a curing container and (5) curing for about 16 hours at about 50* C.

4. A propellant composition consisting of a binder composed of nitrocellulose, an oxidizer selected from the group consisting of ammonium perchlorate, nitroguanidine, cyclotetramethylene tetranitramine, and cyclotrimethylene tetranitramine, a solvent composed of a mixture selected from the group consisting of nitroglycerin, triacetin, nitrodiphenylamine, triethylene glycol dinitrate and diethylene glycol dinitrate, aluminum metal powder, a catalyst selected from the group consisting of lead-2-ethylhexoate and ferric acetylacetonate, and a crosslinking agent selected from the class of diisocyanates consisting of 2,4-tolylene diisocyanate, 3,3''-diisocyanate, hexamethylene diisocyanate and bitolylene diisocyanate.

5. A propellant composition consisting essentially of nitrocellulose, ammonium perchlorate, aluminum, nitroglycerin, di-n-propyl adipate, 2-nitrodiphenylamine, resorcinol diacetate, 2,4-tolylene diisocyanate and ferric acetylacetonate.

6. A propellant composition consisting essentially of from 10 to 20% nitrocellulose, about 20% ammonium perchlorate, about 20% aluminum, 28.4 to 36.2% nitroglycerin, 9 to 11.5% di-n-propyl adipate, 1% resorcinol diacetate, 1% 2-nitrodiphenylamine, 0.15 to 0.50% 2,4-tolylene diisocyanate and 0.007 to 0.05% ferric acetylacetonate; all percentages being by weight.

7. A propellant composition consisting essentially of 15 to 21.6% nitrocellulose of 70 Mu particle size, 20 to 20.2% ammonium perchlorate, 20 to 20.9% aluminum, 26.3 to 32.4% nitroglycerin, 8.4 to 10.15% triacetin, 1.0% 2-nitrodiphenylamine, 1.0% resorcinol, 0.10% calcium phosphate, 0.38 to 0.40% 2,4-tolylene diisocyanate, 0.01% ferric acetylacetonate and 0.03 to 0.04% dioctyl phthalate; all percentages being by weight.

8. A propellant composition consisting essentially of 15% plastisol nitrocellulose, 20% ammonium perchlorate, 20% aluminum, 32.1 to 32.25% nitroglycerin, 10.2 to 10.3% triacetin, 1.2 to 1.55% 2-nitrodiphenylamine, 0.4 to 0.8% symmetrical diethyldiphenylurea, 0.1% calcium phosphate, 0.30 to 0.45% 2,4-tolylene diIsocyanate and 0.01% ferric acetylacetonate; all percentages being be weight.

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Modified double base propellants with diisocyanate crosslinker

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