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US 2004/0132953 A1Published application
Two-part polyurethane adhesive for bonding insulation boards to a roof deck
AssigneeBFS Diversified Products, LLC
InventorsJohn W. Fieldhouse, Joseph J. Kalwara, Edward G. Kane, John B. Letts
Life of this patent
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Abstract
A method of preparing an adhesive, the method comprising combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst.
Claims18
A method of preparing an adhesive, the method comprising:
- combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst.
An adhesive prepared by:
- reacting an isocyanate with a polyol blend that includes at least one polyhydroxyl phenol-containing compound and at least one polyol, where said step of reacting takes place in the presence of at least one trimerization catalyst.
A method for preparing an adhesive, the method comprising:
- combining an isocyanate prepolymer with at least one trimerization catalyst.
An adhesive precursor comprising:
- an isocyanate, a polyhydroxyl phenol-containing compound, a conventional polyol, and a trimerization catalyst.
An adhesive precursor comprising:
- combining an isocyanate prepolymer, a mono-ol, and a trimerization catalyst.
Dependencies are inferred from the claim text.