| abstract |
Encapsulated polymeric microparticles, containing: a) at least one HASE type acrylic copolymer containing: - at least one anionic monomer having a polymerizable vinyl function and a carboxyl group, - at least one non-ionic hydrophobic monomer having a function of polymerizable vinyl and - at least one associative oxyalkylated macromonomer having a function of polymerizable vinyl and a hydrophobic hydrocarbon chain, b) at least one liquid-solid phase change material having a phase transition temperature ranging from 20 at 90 ° C and c) at least one active substance. |