Tris(hydroxymethyl) acrylamidomethane polymer, inverse latex and microlatex containing same, use of said polymer, inverse latex and microlatex

A composition comprising:

• a water phase component;
• an oil phase component;
• at least one emulsifying agent of water-in-oil type;
• and
• at least one oil-in-water emulsifying agent, wherein
• said composition is one of (i) a self-invertible inverse latex comprising from about 20% to about 70% by weight of a product polymer and (ii) a self-invertible inverse microlatex comprising from about 10% to about 50% by weight of a product polymer, and
• said product polymer is selected from the group consisting of:
• copolymers of THAM and of 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid, wherein said acid is partially or completely salified in the sodium salt or ammonium salt form,
• copolymers of THAM and of AMPTAC,
• copolymers of THAM and of APTAC,
• copolymers of THAM and of DADMAC,
• copolymers of THAM and of 2-(dimethylamino)ethyl acrylate,
• copolymers of THAM and of 2-(dimethylamino)ethyl methacrylate,
• terpolymers of THAM, of AMPTAC, and of acrylamide,
• terpolymers of THAM, of AMPTAC, and of diacetone acrylamide,
• terpolymers of THAM, of APTAC, and of acrylamide,
• terpolymers of THAM, of DADMAC, and of diacetone acrylamide,
• terpolymers of THAM, of 2-(dimethylamino)ethyl acrylate, and of acrylamide, and
• terpolymers of THAM, of 2-(dimethylamino)ethyl methacrylate, and of diacetone acrylamide.