Precursor formulations for a liner, a rocket motor including the liner, and related methods

A method of lining a rocket motor, comprising:

• applying a precursor formulation of a liner to a rocket motor, the precursor formulation of the liner comprising:
• a liner polymer and at least two curatives, one of the at least two curatives comprising a curative formulated to preferentially react with the liner polymer and the other of the at least two curatives comprising a blocked curative formulated to be substantially unreactive with the liner polymer;
• reacting the liner polymer with the preferentially reactive curative to form a liner;
• applying a precursor formulation of a propellant to the liner;
• and
• reacting a propellant polymer of the precursor formulation of the propellant with the blocked curative of the precursor formulation of the liner.

A rocket motor, comprising:

• an insulation in a casing of a rocket motor;
• a liner on the insulation, the liner comprising:
• a reaction product of a liner polymer and a preferentially reactive curative;
• and
• a blocked curative formulated to be substantially unreactive with the liner polymer;
• and
• a propellant on the liner, the propellant comprising:
• a reaction product of a propellant polymer, the blocked curative, and a propellant curative.