PROCESS FOR DISPERSING CELLULOSE ESTERS INTO ELASTOMERIC COMPOSITIONS

• Main Authors: DAGENHART CHRIS STANLEY, DONELSON MICHAEL EUGENE, SHELBY MARCUS DAVID, BASU SOUMENDRA KUMAR, WOOD MATTHEW DAVIE, HELMER BRADLEY JAMES, HOWELL JEFF SCOTT
• Format: Patent
• Language: English
• Published: 13.06.2013
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

A process to produce an elastomeric composition is provided. The process comprising: (a) mixing at least one cellulose ester with one or more carrier elastomers to form a cellulose ester concentrate; (b) blending the cellulose ester concentrate with at least one primary elastomer to produce the elastomeric composition, wherein at least a portion of the mixing of step (a) occurs at a temperature that is at least 10° C. greater than the temperature of the blending of step (b).