Treating With Alcohol Patents (Class 521/48.5)
  • Method for bonding glass fibers with cross-linkable polyester resins
    Patent number: 6171654
    Abstract: Water-soluble or water-dispersible and curable polyester resins are suitable as binders in various applications, The resins are reaction products of polyterephthalate, polyols, polyacids, end acids and crosslinking agents. The waste terephthalates can be utilized when making the binders of the present invention. The preferred polyol is pentaerythritol. The resins can be used as binder for glass fiber insulation products.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: January 9, 2001
    Assignee: Seydel Research, Inc.
    Inventors: Robert Keith Salsman, Timothy Shouting Wang