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A composite pyrotechnic product containing energetic charges in a plasticized binder includes a cured energetic polymer and at least one energetic plasticizer, wherein: the cured energetic polymer consists of a glycidyl azide polymer (GAP) having a number average molecular weight (Mn) lying in the r

A composite pyrotechnic product containing energetic charges in a plasticized binder includes a cured energetic polymer and at least one energetic plasticizer, wherein: the cured energetic polymer consists of a glycidyl azide polymer (GAP) having a number average molecular weight (Mn) lying in the range 700 g/mol to 3000 g/mol and cured via its hydroxyl terminal functions with at least one curing agent of polyisocyanate type; and the energetic charges present at a content in the range 50% to 70% by weight consisting, for at least 95% of their weight, of large crystals of ammonium dinitramide (ADN) and of small crystals of hexogen (RDX): the large crystals of ammonium dinitramide (ADN) being present at a content in the range 8% to 65% by weight; and the small crystals of hexogen (RDX) being present at a content in the range 5% to 55% by weight.

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1. A composite pyrotechnic product containing energetic charges in a plasticized binder comprising a cured energetic polymer and at least one energetic plasticizer, wherein: said cured energetic polymer consists of a glycidyl azide polymer (GAP) having a number average molecular weight (Mn) lying in

1. A composite pyrotechnic product containing energetic charges in a plasticized binder comprising a cured energetic polymer and at least one energetic plasticizer, wherein: said cured energetic polymer consists of a glycidyl azide polymer (GAP) having a number average molecular weight (Mn) lying in the range 700 g/mol to 3000 g/mol and cured via its hydroxyl terminal functions with at least one curing agent of polyisocyanate type; andsaid energetic charges present at a content in the range 50% to 70% by weight consisting, for at least 95% of their weight, of large crystals of ammonium dinitramide (ADN) and of small crystals of hexogen (RDX): said large crystals of ammonium dinitramide (ADN) being present at a content in the range 8% to 65% by weight; andsaid small crystals of hexogen (RDX) being present at a content in the range 5% to 55% by weight. 2. The composite pyrotechnic product according to claim 1, wherein said glycidyl azide polymer (GAP) has a number molecular weight (Mn) lying in the range 1700 g/mol to 2300 g/mol. 3. The composite pyrotechnic product according to claim 1, wherein said at least one energetic plasticizer is of the nitrate and/or nitramine type. 4. The composite pyrotechnic product according to claim 1, wherein said energetic charges are present at a content in the range 55% to 65% by weight. 5. The composite pyrotechnic product according to claim 1, wherein said crystals of ammonium dinitramide (ADN) are present at a content in the range 40% to 60% by weight and said crystals of hexogen (RDX) are present at a content in the range 8% to 20% by weight. 6. The composite pyrotechnic product according to claim 1, further comprising at least one additive. 7. The composite pyrotechnic product according to claim 6, wherein said at least one additive comprises at least one curing catalyst and/or at least one plasticizer agent for plasticizing the at least one energetic plasticizer. 8. The composite pyrotechnic product according to claim 1, wherein its composition, expressed in percentages by weight, contains: 50% to 70% of said energetic charges, consisting, for at least 95% of their weight, of said crystals of ADN and said crystals of RDX;10% to 14% of said cured energetic polymer;10% to 30% of said at least one energetic plasticizer; and0% to 6% of at least one additive. 9. A method of preparing a composite pyrotechnic product according to claim 1, the method comprising: constituting a homogeneous paste by: a) adding in said glycidyl azide polymer said at least one energetic plasticizer, energetic charges, and other ingredients constituting the looked-for composite pyrotechnic product with the exception of any curing agent and of any curing catalyst; andb) stirring the resulting mixture under a partial vacuum;under a partial vacuum, adding to said resulting homogeneous paste, said at least one curing agent and optionally at least one curing catalyst, followed by stirring the resulting mixture; thencasting said stirred resulting mixture in at least one structure; andheat treating said stirred resulting mixture cast in said at least one structure. 10. The composite pyrotechnic product according to claim 1, wherein said large crystals of ammonium dinitramide (ADN) are present at a content in the range 10% to 60% by weight. 11. The composite pyrotechnic product according to claim 1, wherein said small crystals of hexogen (RDX) are present at a content in the range 8% to 50% by weight. 12. The composite pyrotechnic product according to claim 8, wherein its composition, expressed in percentages by weight, contains 55% to 65% of said energetic charges. 13. The composite pyrotechnic product according to claim 8, wherein its composition, expressed in percentages by weight, contains 15% to 25% of said at least one energetic plasticizer. 14. The composite pyrotechnic product according to claim 8, wherein its composition, expressed in percentages by weight, contains 0.1% to 4% of at least one additive.