Provided herein are polymers having a polymer backbone including a zwitterionic precursor monomeric unit having a secondary or tertiary amine in the polymer backbone, as well as methods of making and using the same.

A metal substrate being coated on at least a portion thereof with a liquid coating composition comprising a powder component dispersed in a liquid carrier, wherein the average particle size of the powder dispersed in the liquid carrier is less than 15 microns (m); wherein the powder component comprises a thermoset resin; wherein the thermoset resin comprises an acid functional polyester material; and wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE).

A powder coating composition comprising: a) a thermoset resin comprising an acid functional polyester material, b) a thermoplastic resin and c) a crosslinker material, wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidylether (BADGE) and bisphenol F diglycidyl ether (BFDGE).

A monobloc aerosol tube or can being coated on at least a portion of an internal surface thereof with a coating composition, the coating composition comprising a thermoset powder composition, wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE); wherein the thermoset powder composition comprises an acid functional polyester material and a crosslinker material operable to crosslink the acid functionality on the acid functional polyester material.

Coated packages and methods for coating such packages is disclosed. The coating compositions comprise a carboxyl-containing polymer and a polycarbodiimide.

Compositions comprising hydroxy functional alkyl polyureas are disclosed.

A method for preparing an amphoteric shape-memory polyurethane and an amphoteric shape-memory polyurethane prepared by the method, the method including: 1) polymerizing monomer A and monomer B to synthesize a polyurethane; and 2) contacting monomer D and the polyurethane to conduct a ring-opening reaction on a nitrogen group of the polyurethane, to yield an amphoteric shape-memory polyurethane. The monomer A is a N-alkyl dialkanolamine having a formula I. The monomer B is a polyisocyanate, and the monomer D is an alkyl sulfonate.

A metal substrate being coated on at least a portion thereof with a liquid coating composition comprising a powder component dispersed in a liquid carrier, wherein the average particle size of the powder dispersed in the liquid carrier is less than 15 microns (m); wherein the powder component comprises a thermoset resin; wherein the thermoset resin comprises an acid functional polyester material; and wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE).

A powder coating composition comprising: a) a thermoset resin comprising an acid functional polyester material, b) a thermoplastic resin and c) a crosslinker material, wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidylether (BADGE) and bisphenol F diglycidyl ether (BFDGE).

A monobloc aerosol tube or can being coated on at least a portion of an internal surface thereof with a coating composition, the coating composition comprising a thermoset powder composition, wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE); wherein the thermoset powder composition comprises an acid functional polyester material and a crosslinker material operable to crosslink the acid functionality on the acid functional polyester material.