SURFACTANT CONSISTING OF A POLYMER HAVING PENDANT CHEMISORPTIVE GROUPS AND (CROSSLINKED BY) A POLYETHER CHAIN; POLYMER COMPOSITIONS COMPRISING A PLASTICISER AND A DISPERSED SOLID HAVING THE SURFACTANT ADSORBED ONTO THE SURFACE THEREOF

摘要

A surfactant characterised by a plurality of addition-copolymer chains, on each chain an average of at least 0.5 chemisorptive groups and at least one monovalent polyether residue; and between the chains at least one divalent polyether residue, a method of making it, a dispersion containing the surfactant and a dispersed solid, a polymer composition that comprises the surfactant and a plasticiser, a method for making the dispersion, a dispersible solid comprising the surfactant, and a product coated with material comprising the discontinuous phase of the dispersion.