Patents Assigned to Resin Design International Corp.
  • High flexual modulus polyurethane polymers and RIM processes employing said polymers
    Patent number: 5059634
    Abstract: A polyurethane composition for use in RIM processes which composition comprises an MDI-polyol prepolymer, an aromatic diamine chain extender and a "cold break"-reducing additive to prevent "cold break" and to increase the flexual modulus of the polymer, which additive comprises triethanol amine or a triethanol amine-ethylene oxide end cap reaction product.
    Type: Grant
    Filed: February 9, 1990
    Date of Patent: October 22, 1991
    Assignee: Resin Design International Corp.
    Inventor: Stuart B. Smith