REACTIVITY STABILIZATION OF POLYMETHYLENE POLY(PHENYLISOCYANATES)
This invention relates to mixtures of polymethylene~ poly(phenyl-isocyanate) blends with epoxides. The addition of the epoxide stabilizes the reactivity of the polyisocyanate blends such that it is no longer dependent on the acidity. It is now possible to form polyurethanes from these mixtures based...
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| creator | ROSTHAUSER, JAMES W CLINE, ROBERT L PANTONE, RICHARD S |
| description | This invention relates to mixtures of polymethylene~ poly(phenyl-isocyanate) blends with epoxides. The addition of the epoxide stabilizes the reactivity of the polyisocyanate blends such that it is no longer dependent on the acidity. It is now possible to form polyurethanes from these mixtures based on polymethylene poly(phenylisocyanate) blends wherein less catalyst is necessary. |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | REACTIVITY STABILIZATION OF POLYMETHYLENE POLY(PHENYLISOCYANATES) |
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