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Adhesives Ingredients
The material selection platform
Adhesives Ingredients

Asphalt-Modified Polyurethanes Show Advantages in Construction Sealants

SpecialChem / May 1, 2002

Poly bd® resins, from Elf Atochem North America Inc., Philadelphia, are liquid, hydroxyl-terminated homopolymers of butadiene. The facile reaction of Poly bd resins with curing agents such as conventional di- and polyisocyanates provides an economical route to the preparation of general-purpose elastomers. The unique structure of these resins provides properties that surpass conventional polyether and polyester urethane systems, as well as conventional, general-purpose rubbers. Moreover, the unique compatibility of Poly bd R-45HTLO resin with asphalt allows formulators to make a new variety of polymer - modified asphalt systems, according to Romuald de Haut de Sigy, general manager, Functional Polymers.Poly bd resins are used in adhesives, sealants, castable elastomers, caulks, membranes, foams, coatings, propellant binders, potting and encapsulating compounds, as well as other rubber-fabricated materials. In the construction arena, these resins are used in many different applications worldwide.

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