Solid Polymer Derived From Ethylenic Reactants Only Patents (Class 524/365)
  • Patent number: 4331581
    Abstract: A process for forming a paste suitable for the preparation of dispersions and coatings is disclosed, said process comprising (1) dissolving a selectively hydrogenated monoalkenyl arene (A) - conjugated diene (B) block polymer in a first solvent, which first solvent is a good solvent for both the A blocks and the B blocks, (2) adding a second solvent to the solution, wherein said second solvent is a good solvent for the A blocks and a poor solvent for the B blocks, therein forming a suspension of micelles, and (3) adding a third solvent to the suspension of micelles, wherein said third solvent is a poor solvent for both the A blocks and the B blocks, therein forming an elastosol paste.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: May 25, 1982
    Assignee: Shell Oil Company
    Inventor: Sol Davison