polyurethane: A polymer containingthe urethane group –NH·CO·O–,prepared by reacting di-isocyanateswith appropriate diols or triols. Awide range of polyurethanes can bemade, and they are used in adhesives,durable paints and varnishes,plastics, and rubbers. Addition ofwater to the polyurethane plasticsturns them into foams.
Definition
A
synthetic polymer containing the group
–NH–CO–O– linking the monomers.
Polyurethanes are made by condensation
of isocyanates (–NCO) with alcohols.
Landwirtschaftliche Anwendung
Polyurethane is a polymer containing the urethane group.
Polyurethanes find a wide variety of applications in many
industries. In fact, mollifiable polymers (hydrophobic)
like bitumen, polyvinyl acetate and polyurethane form a
major class of soil conditioners. Polyurethane resins and
the foams are also used as florists' mounting media or
plant growth media.
POLYURETHANE Upstream-Materialien And Downstream Produkte
