A PU is made by mixing together the ingredient chemicals (isocyanate and polyol see later) in predetermined proportions, which then react to form the polymer. Uniquely, PUs utilise simultaneous ...

The graphic shows how the new combination of acidolysis and hydrolysis can recover up to 82 weight percent of the original material from flexible PUR foam – used in mattresses – as two separate ...

A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or ...

One of the most commonly used varieties of plastic are polyurethanes. They are created from the reaction of raw polyols with isocyanates. A large variety of plastics can be acquired depending on the ...

BEIJING (Nov. 1)—Bayer A.G. will spend nearly $1.1 billion through 2008 to build isocyanate and polyol capacity at a new chemical complex near Beijing to supply various Chinese industries with these ...

Near infrared spectroscopy has been used widely in the polymer industry. Compared to traditional methods such as wet chemistry and chromatographic methods, NIR spectroscopy provides considerable ...

BASF has now improved the process for manufacturing Lupranol® (polyether polyol) so that car components which are made of BASF polyurethane systems emit an average of 20 percent less aldehyde. This ...