Process for the production of stable polymers

Process for the production of stable polymers

Stable NCO prepolymers are produced from polyisocyanates having a melting point greater than 70° C., preferably, naphthalene diisocyanate, having advantageous physical properties. An important feature of the process of the present invention is the rapid cooling of the prepolymer. The process of the...

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Hauptverfasser: Barnes, James Michael, Nefzger, Hartmut, Bauer, Erika, Penninger, Stefan, Schultz, Thomas, Lutz, Heinrich, Di Mews, Horst, Gracik, Charles S
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creator Barnes, James Michael
Nefzger, Hartmut
Bauer, Erika
Penninger, Stefan
Schultz, Thomas
Lutz, Heinrich
Di Mews, Horst
Gracik, Charles S
description Stable NCO prepolymers are produced from polyisocyanates having a melting point greater than 70° C., preferably, naphthalene diisocyanate, having advantageous physical properties. An important feature of the process of the present invention is the rapid cooling of the prepolymer. The process of the present invention may be carried out on a continuous or batch basis. The prepolymers of the present invention are particularly suitable for the production of cast polyurethane elastomers.
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title Process for the production of stable polymers
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