Method of increasing propellant burning rate by the use of high conductive wires

Claim 2

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder, and as a burning rate additive, elongated metallic staples having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec) (sq.cm.)(*C/cm) and a melting point above about 600*C, and in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 3

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 4

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 5

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a polyurethane resin binder, and as a burning rate additive, elongated metallic staples having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 6

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a polyurethane resin binder, and as a burning rate additive, elongated metallic staples having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 7

A SOLID PROPELLANT COMPOSITION WHICH COMPRISES A CURED INTIMATE MIXTURE OF A SOLID NON-METALLIC OXIDIZING SALT AND A CEOSS-LINKED RESIIN BINDER WHICH COMPRISES THE REACTION PRODUCT OF A COMPOUND HAVING, AS ITS SOLE RECTING GROUPS, NOT LESS THAN TWO ACTIVE HYDROGEN GROUPS CAPABLE OF POLYMERIZING WITH AN ISOCYANATE AS DETERMINED BY THE ZEREWITINOFF METHOD, AND A COMPOUND HAVING, AS ITS SOLE REACTING GROUPS, NOT LESS THAN TWO GROUPS CAPABLE OF UNDERGOING A URETHANE-TYPE REACTION WITH HYDROXY GROUPS AND AS A BURNING RATE ADDITIVE, ELONGATED METALLIC STAPLES HAVING A HEAT CONDUCTIVELY OF FROM ABOUT 0.10 TO ABOUT 1.05 GRAM-CAL (SEC) (SQ.CM.) (*C CM) AND A MELTING POINT ABOVE ABOUT 600*C, IN AN AMOUNT EFFECTIVE TO INCREASE THE BURNING RATE UP TO AN AMOUNT NOT GREATER THAN THE EQUIVALENT TO ABOUT 15 PERCENT BY WEIGHT OF THE PROPELLANT COMPOSITION.

Claim 8

A SOLID PROPELLANT COMPOSITION WHICH COMPRISES A CURED INTIMATE MIXTURE OF A SOLID NON-METALLIC OXIDIZING SALT AND A CEOSS-LINKED RESIIN BINDER WHICH COMPRISES THE REACTION PRODUCT OF A COMPOUND HAVING, AS ITS SOLE RECTING GROUPS, NOT LESS THAN TWO ACTIVE HYDROGEN GROUPS CAPABLE OF POLYMERIZING WITH AN ISOCYANATE AS DETERMINED BY THE ZEREWITINOFF METHOD, AND A COMPOUND HAVING, AS ITS SOLE REACTING GROUPS, NOT LESS THAN TWO GROUPS CAPABLE OF UNDERGOING A URETHANE-TYPE REACTION WITH HYDROXY GROUPS AND AS A BURNING RATE ADDITIVE, ELONGATED METALLIC STAPLES HAVING A HEAT CONDUCTIVELY OF FROM ABOUT 0.10 TO ABOUT 1.05 GRAM-CAL (SEC) (SQ.CM.) (*C CM) AND A MELTING POINT ABOVE ABOUT 600*C, IN AN AMOUNT EFFECTIVE TO INCREASE THE BURNING RATE UP TO AN AMOUNT NOT GREATER THAN THE EQUIVALENT TO ABOUT 15 PERCENT BY WEIGHT OF THE PROPELLANT COMPOSITION.

Claim 9

A solid propellant composition which comprises a cured intimate mixture of elongated aluminum staples, a solid non-metallic oxidizing salt, and a resin binder which comprises the reaction product of an aromatic diisocyanate, a polyether having a molecular weight between about 400 and 10,000 and a trihydroxy cross-linker compound; the aluminum staple being present in an amount effective to increase the burning rate up to an aMount not greater than about 15 percent by weight, the resin binder being present in an amount between about 5 and about 55 percent by weight, and the solid non-metallic oxidizing salt being present in an amount between about 95 and about 45 percent by weight, all percentages being given on a total propellant weight basis.

Claim 10

A solid propellant composition which comprises a cured intimate mixture of elongated aluminum staples, a solid non-metallic oxidizing salt, and a resin binder which comprises the reaction product of an aromatic diisocyanate, a polyether having a molecular weight between about 400 and 10,000 and a trihydroxy cross-linker compound; the aluminum staple being present in an amount effective to increase the burning rate up to an aMount not greater than about 15 percent by weight, the resin binder being present in an amount between about 5 and about 55 percent by weight, and the solid non-metallic oxidizing salt being present in an amount between about 95 and about 45 percent by weight, all percentages being given on a total propellant weight basis.

Claim 11

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder, and as a burning rate additive, elongated metallic staples of circular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, a diameter of from about 2.0 to about 10 mils and a length of from 50 to about 500 mils, and in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 12

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder, and as a burning rate additive, elongated metallic staples of circular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, a diameter of from about 2.0 to about 10 mils and a length of from 50 to about 500 mils, and in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 13

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec) (sq.cm.)(*C/cm) and a melting point above about 600*C, a diameter of from about 2.0 to about 10 mils and a length of from 50 to about 500 mils, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 14

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec) (sq.cm.)(*C/cm) and a melting point above about 600*C, a diameter of from about 2.0 to about 10 mils and a length of from 50 to about 500 mils, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 15

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a polyurethane resin binder, and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 16

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a polyurethane resin binder, and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 17

A solid propellant composition which comprises a cured intimate mixture of a solid non-metallic oxidizing salt and a cross-linked resin binder which comprises the reaction product of a compound having, as its sole reacting groups, not less than two active hydrogen groups capable of polymerizing with an isocyanate as determined by the Zerewitinoff method, and a compound having, as its sole reacting groups, not less than two groups capable of undergoing a urethane-type reaction with hydroxy groups and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, a diameter of from about 2.0 to about 10 mils and a length of from 50 to about 500 mils, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 18

A solid propellant composition which comprises a cured intimate mixture of a solid non-metallic oxidizing salt and a cross-linked resin binder which comprises the reaction product of a compound having, as its sole reacting groups, not less than two active hydrogen groups capable of polymerizing with an isocyanate as determined by the Zerewitinoff method, and a compound having, as its sole reacting groups, not less than two groups capable of undergoing a urethane-type reaction with hydroxy groups and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, a diameter of from about 2.0 to about 10 mils and a length of from 50 to about 500 mils, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 19

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length, and in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weIght of the propellant composition.

Claim 20

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length, and in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weIght of the propellant composition.

Claim 21

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec) (sq.cm.)(*C/cm) and a melting point above about 600*C, measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 22

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec) (sq.cm.)(*C/cm) and a melting point above about 600*C, measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 23

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a polyurethane resin binder, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 24

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a polyurethane resin binder, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm) and a melting point above about 600*C, measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length, in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 25

A solid propellant composition which comprises a cured intimate mixture of a solid non-metallic oxidizing salt and a cross-linked resin binder which comprises the reaction product of a compound having, as its sole reacting groups, not less than two active hydrogen groups capable of polymerizing with an isocyanate as determined by the Zerewitinoff method, and a compound having, as its sole reacting groups, not less than two groups capable of undergoing a urethane-type reaction with hydroxy groups and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.) (*C/cm) and a melting point above about 600*C measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 26

A solid propellant composition which comprises a cured intimate mixture of a solid non-metallic oxidizing salt and a cross-linked resin binder which comprises the reaction product of a compound having, as its sole reacting groups, not less than two active hydrogen groups capable of polymerizing with an isocyanate as determined by the Zerewitinoff method, and a compound having, as its sole reacting groups, not less than two groups capable of undergoing a urethane-type reaction with hydroxy groups and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.) (*C/cm) and a melting point above about 600*C measure from 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and are from about 50 to about 500 mils in length in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 27

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder, and as a burning rate additive, elongated metallic staples having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(seq.cm.)(*C/cm.), a melting point above about 600*C, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 28

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder, and as a burning rate additive, elongated metallic staples having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(seq.cm.)(*C/cm.), a melting point above about 600*C, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 29

A solid propellant composition which comprises a cured intimate mixture of a solid non-metallic oxidizing salt and a cross-linked resin binder which comprises the reaction product of a compound having, as its sole reacting groups, not less than two active hydrogen groups capable of polymerizing with an isocyanate as determined by the Zerewitinoff method, and a compound having as its sole reacting groups, not less than two groups capable of undergoing a urethane-type reaction with hydroxy groups, and as a burning rate additive, elongated metallic staples havinG a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(seq.cm.)(*C/cm.), a melting point above about 600*C, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 30

A solid propellant composition which comprises a cured intimate mixture of a solid non-metallic oxidizing salt and a cross-linked resin binder which comprises the reaction product of a compound having, as its sole reacting groups, not less than two active hydrogen groups capable of polymerizing with an isocyanate as determined by the Zerewitinoff method, and a compound having as its sole reacting groups, not less than two groups capable of undergoing a urethane-type reaction with hydroxy groups, and as a burning rate additive, elongated metallic staples havinG a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(seq.cm.)(*C/cm.), a melting point above about 600*C, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an amount effective to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 31

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin-binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm.), and a melting point above about 600*C, a diameter from about 2.0 to about 10 mils and a length of from about 50 to about 500 mils, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an effective amount to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 32

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin-binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of circular cross-section, having a heat conductivity of from about 0.10 to about 1.05 gram-cal/(sec)(sq.cm.)(*C/cm.), and a melting point above about 600*C, a diameter from about 2.0 to about 10 mils and a length of from about 50 to about 500 mils, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an effective amount to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 33

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from 0.10 to about 1.05 gram-cal/(sec)(seq.cm.)(*C/cm.), and a melting point above about 600*C, measuring from about 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and from about 50 to about 500 mils in length, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an effective amount to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.

Claim 34

A solid propellant composition which comprises a cured intimate mixture of a non-metallic oxidizing salt, a resin binder which is the reaction product of a carboxy-terminated polydiolefin polymer and an imine curing agent, and as a burning rate additive, elongated metallic staples of rectangular cross-section having a heat conductivity of from 0.10 to about 1.05 gram-cal/(sec)(seq.cm.)(*C/cm.), and a melting point above about 600*C, measuring from about 0.4 to about 5.0 mils on the short side, from about 1.0 to about 20 mils on the long side and from about 50 to about 500 mils in length, said elongated metallic staples being coated with a pyrotechnic mixture selected from the group consisting of a mixture of iron and potassium permanganate, and a mixture of aluminum and potassium perchlorate, said staples being present in an effective amount to increase the burning rate up to an amount not greater than that equivalent to about 15 percent by weight of the propellant composition.