The present invention relates to a polymer microsphere comprising at least one polymer and at least one bound latent colorant, wherein the microsphere is stabilized by at least one stabilizing polymer. The invention also includes a method of preparing polymer microspheres comprising combining latent colorant, ethylenically unsaturated monomer, stabilizing polymer, and an initiator in solvent and initiating polymerization to form a polymeric microsphere stabilized by a stabilizing polymer bound to the surface of the polymeric microsphere.
本发明涉及一种聚合物微球,包括至少一种聚合物和至少一种结合型潜色剂,其中微球由至少一种稳定聚合物稳定。本发明还包括一种制备聚合物微球的方法,该方法包括在溶剂中结合潜
着色剂、
乙烯基不饱和单体、稳定聚合物和
引发剂,并引发聚合反应以形成聚合物微球,该聚合物微球表面结合有稳定聚合物,从而使聚合物微球稳定。