STP1430: Novel Polymeric Dispersants for Aqueous Suspension Concentrate Formulations

    Herbert, RM
    Development Associate, Uniqema, New Castle, Delaware

    Pages: 9    Published: Jan 2003


    Abstract

    Styrene-acrylic copolymer surfactants demonstrate significant dispersant erformance advantages in suspension concentrate formulations versus current industry standards. The formulation requirement of dispersant to maintain the active ingredient in suspension upon dilution was significantly lower with styrene-acrylic dispersants Atlox® Metasperse 100L or Atlox® Metasperse 500L than with other commercially available anionic surfactants.

    When blended with Atlas® G5000 and Synperonic® A7 nonionic surfactants, low viscosity suspension concentrate formulations can be developed using either Atlox® Metasperse 100L or Atlox® Metasperse 500L. Equally important is the use of experimental design techniques to monitor how subtle changes in surfactant ratio can affect formulation performance and aid the formulation chemist in selecting the optimum performing surfactant system.

    Keywords:

    suspension concentrate, surfactants, hydrophilic-lipophilic balance, Atlox®, Metasperse 100L, Atlas®, G5000, Synperonic®, A7, experimental design techniques


    Paper ID: STP11109S

    Committee/Subcommittee: E35.22

    DOI: 10.1520/STP11109S


    CrossRef ASTM International is a member of CrossRef.