Caseless rocket containing silane polymer

Claim 2

A CASELESS ROCKET COMPRISING AN ELONGATED SOLID PROPELLANT MASS CONSISTING ESSENTIALLY OF AN OXYGEN-CONTAINING OXIDIZER SELECTED FROM THE GROUP CONSISTING OF INORGANIC AND ORGANIC PERCHLORATES AND NITRATES INTERMIXED WITH A SILANE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYDIMETHYLSILANE, POLYMETHYL-HYDROGENSILANE, POLYDIHYDROGENSILANE, COPOLYMERS AND MIXTURES THEREOF REACTED WITH A CROSS-LINKING AGENT FOR SAID SILANE POLYMER WHICH SOLIDIFIES AND SETS SAID SILANE POLYMER THEREBY TO FORM A SOLID MASS, THE SURFACE OF SAID SOLID PROPELLENT MASS BEING COATED WITH A LIGHT WEIGHT COATING HAVING A MAXIMUM BURNING RATE OF LESS THAN 1 PERCENT OF THAT OF SAID SOLID PROPELLANT MASS ON ALL SIDES OTHER THAN ONE END.

Claim 3

A caseless rocket comprising an elongated propellant mass consisting essentially of a solid fuel, an oxygen-containing oxidizer selected from the group consisting of inorganic and organic perchlorates and nitrates intermixed with a silane polymer selected from the group consisting of polydimethylsilane, polymethylhydrogensilane, polydihydrogensilane, copolymers and mixtures thereof reacted with a cross-linking agent selected from the group consisting of butadiene-styrene copolymers, diallyl esters and butadiene polymers to form a solid propellant mass having a length of from 2 to 1,000 times the cross-sectional dimension of the masS, the surface of said propellant mass being coated with a non-burning coating selected from the group consisting of carbonizable asphalt compositions, vinyl chloride coatings, vinylidene chloride coatings, rubber based coatings and silicone based coatings on all sides other than one end.

Claim 4

A caseless rocket comprising an elongated propellant mass consisting essentially of a solid fuel, an oxygen-containing oxidizer selected from the group consisting of inorganic and organic perchlorates and nitrates intermixed with a silane polymer selected from the group consisting of polydimethylsilane, polymethylhydrogensilane, polydihydrogensilane, copolymers and mixtures thereof reacted with a cross-linking agent selected from the group consisting of butadiene-styrene copolymers, diallyl esters and butadiene polymers to form a solid propellant mass having a length of from 2 to 1,000 times the cross-sectional dimension of the masS, the surface of said propellant mass being coated with a non-burning coating selected from the group consisting of carbonizable asphalt compositions, vinyl chloride coatings, vinylidene chloride coatings, rubber based coatings and silicone based coatings on all sides other than one end.

Claim 5

A caseless rocket according to claim 2 wherein the silane polymer is polymethylhydrogensilane.

Claim 6

A caseless rocket according to claim 2 wherein the silane polymer is polydimethylsilane.

Claim 7

A caseless rocket according to claim 2 wherein the silane polymer is polydihydrogensilane.

Claim 8

A caseless rocket according to claim 2 wherein the solid fuel is a light weight metal and the oxidizer is a metal perchlorate.

Claim 9

A caseless rocket according to claim 3 wherein the solid fuel is lithium hydride and the oxidizer is ammonium perchlorate.

Claim 10

A caseless rocket according to claim 3 wherein the solid fuel is aluminum, the oxidizer is hydrazinium perchlorate and the silane polymer is polymethylhydrogensilane.

Claim 11

A process for the preparation of a caseless rocket, which comprises intermixing a silane polymer selected from the group consisting of polydimethylsilane, polymethylhydrogensilane, polydihydrogensilane, copolymers and mixtures thereof, with an oxygen-containing oxidizer selected from the group consisting of inorganic and organic perchlorates and nitrates and a cross-linking agent for the silane polymer which solidifies and sets said silane polymer, forming the resulting mixture into an elongated mass, and coating the surface of the propellant mass other than one end with a light weight coating having a maximum burning rate of less than 1 percent of that of said solid propellant mass.

Claim 12

A process for the preparation of a caseless rocket, which comprises intermixing a silane polymer selected from the group consisting of polydimethylsilane, polymethylhydrogensilane, polydihydrogensilane, copolymers and mixtures thereof, with an oxygen-containing oxidizer selected from the group consisting of inorganic and organic perchlorates and nitrates and a cross-linking agent for the silane polymer which solidifies and sets said silane polymer, forming the resulting mixture into an elongated mass, and coating the surface of the propellant mass other than one end with a light weight coating having a maximum burning rate of less than 1 percent of that of said solid propellant mass.

Claim 13

A process for the preparation of a caseless rocket, which comprises intermixing a silane polymer selected from the group consisting of polydimethylsilane, polymethylhydrogensilane, polydihydrogensilane, copolymers and mixtures thereof, with a solid fuel, an oxygen-containing oxidizer selected from the group consisting of inorganic and organic perchlorates and nitrates and a cross-linking agent for the silane polymer which solidifies and sets said silane polymer forming the resulting mixture into an elongated mass, subjecting the elongated mass to sufficient force to maintain the particular shape until the cross-linking reaction between the binder and the cross-linking agent is sufficiently complete to set the mass, and coating the surface of the propellant mass other than one end with a light weight coating having a maximum burning rate of less than 1 percent of that of said solid propellant mass.

Claim 14

A process for the preparation of a caseless rocket, which comprises intermixing a silane polymer selected from the group consisting of polydimethylsilane, polymethylhydrogensilane, polydihydrogensilane, copolymers and mixtures thereof, with a solid fuel, an oxygen-containing oxidizer selected from the group consisting of inorganic and organic perchlorates and nitrates and a cross-linking agent for the silane polymer which solidifies and sets said silane polymer forming the resulting mixture into an elongated mass, subjecting the elongated mass to sufficient force to maintain the particular shape until the cross-linking reaction between the binder and the cross-linking agent is sufficiently complete to set the mass, and coating the surface of the propellant mass other than one end with a light weight coating having a maximum burning rate of less than 1 percent of that of said solid propellant mass.

Claim 15

A process according to claim 10 wherein the silane polymer is polymethylhydrogensilane.