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Processing polyurethanes: the innovations continue.(EUROPE)
- Article from:
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Plastics Engineering
- Article date:
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July 1, 2008
- Author:
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Copyright informationCOPYRIGHT 2008 Society of Plastics Engineers, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Polyurethanes are unrivalled in their versatility. At the heart of the technology is the simple reaction between an isocyanate (NCO) group and a hydroxyl (OH). But so many different chemical structures can be attached to these groups, so many different additives can be used with them, and so many different types of equipment can be used to process them that the limits to their possible use are left to the imagination.
[ILLUSTRATION OMITTED]
Polyurethanes can be used to make the softest, smoothest, silkiest films conceivable. They can also be used in building the toughest boat hulls, in coastal protection systems to hold back the strongest tides, in viscoelastic foams ...
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