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Urea Formaldehyde Adhesive

Thermosetting Resin Adhesive Article Contents: Thermosetting Resin Adhesive Melamine Formaldehyde Adhesives Urea Formaldehyde Adhesiv...

Sunday, June 28, 2009

Polyisocyanate Adhesives

Introduction Process
The term polyisocyanate is here intended to mean an aliphatic or aromatic isocyanate containing two or more isocyanate groups.

Resin derived from polyisocyanates have a chemical similarity to epoxy resins in that both form addition polymers with compounds containing active hydrogen atoms, their importance as adhesives, however, is much less than that of epoxy resins.

The polyisocyanates first attracted attention when work done by Bayer in Germany became known after the end of the second world war; since then their chemistry and applications have been discussed by various authors.

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