Patent ID: 6989429
Filing Date: 2006-01-24
Classification: C08G,C09K

Abstract:
1. A prepolymer composition for preparing sealant and coating compositions, comprising: a) prepolymers comprising terminal NCO groups that are end-capped with silane groups or with silane groups and alcohol groups, and b) an excess of unreacted aromatic alcohol selected from phenol, 3-methoxyphenol, 4-methoxyphenol, nonylphenol, meta-cresol, para-cresol, 4-chlorophenol, meta-hydroxybenzaldehyde, ortho-hydroxybenzaldehyde, para-hydroxybenzaldehyde, hydroquinone, 3-hydroxyacetophenone, and 4-hydroxyacetophenone, or any combination thereof.