In 1967, urethane-modified polyisocyanurate rigid foams were introduced,
offering ... Polyurethane foam (including foam rubber) is sometimes made using
Some of the molded products that urethane resins are made into are described
as being urethane "rubbers." "Urethane rubber" is the very dense, strong, tough ...
These groups, called urethane, are produced through a chemical reaction ...
Polymers are macromolecules made up of smaller, repeating units known as ...
Urethane is a term that refers to at least three different substances: ethyl
carbamate, carbamate or polyurethane. While all of these substances are related
The first urethane wheels were the handiwork of Frank Nasworthy, who, after
seeing some experimental urethane roller-skate wheels in a friend's backyard in
This article describes two different kinds of automotive paints, urethane and
acrylic, and the key differences between them.
Urethane Basics on Cast Urethane Chemistry and processing prepolymer, ... the
parts made with this technology can be used with great success across a wide ...
When compared to urethane rubber falls short due to its ability to biodegrade. ...
But, man-made urethane can be easily formulated to outlast rubber and stand ...
Memory-foam mattresses are made of a synthetic substance, polyurethane, and a
cocktail of other chemicals, and these may pose a health risk for some people.
Polyurethanes are made by reacting diisocyanates with di-alcohols. ... we get is a
polyurea, because it contains a urea linkage, rather than a urethane linkage.