Guayule rubber, resin and bagasse recovery and purification processes

• Main Authors: VERBISCAR; ANTHONY J, BANIGAN; THOMAS F
• Format: Patent
• Language: English
• Published: 14.02.1989
• Edition: 4
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS

Processes are described for the recovery of natural rubber from solutions containing guayule rubber and resins. The resinous rubber is dissolved in a lipophilic solvent such as hexane. The rubber is recovered from the solution in high purity on a heated surface immersed in the solution.