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High speed cure sealant

  • US 4,758,648 A
  • Filed: 10/20/1986
  • Issued: 07/19/1988
  • Est. Priority Date: 10/20/1986
  • Status: Expired due to Term
First Claim
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1. A moisture curable sealant having good stability in the absence of moisture and a rapid cure rate in the sole presence of atmospheric moisture, said sealant comprising a polyurethane prepolymer having an isocyanate functionality between 2.5 and 2.7 and, admixed therewith as a catalyst, from 0.2 to 1.75 percent, by weight of said sealant, of dimorpholinodiethyl ether.

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