Method for raising fluidity of thermoplastic cross-linked rubber

Abstract

This invention relates to a method for improving the fluidity of thermoplastic vulcanized rubber. The method comprises: (1) pre-mixing rubber with plastic (30-50% of total plastic); (2) mixing the premixed rubber with the rest plastic; (3) dynamically vulcanizing; (4) adding dicumyl peroxide (1-4% of the second plastic addition), melting and mixing to obtain the thermoplastic vulcanized rubber. The fluidity of the thermoplastic vulcanized rubber is largely improved, while its physical and mechanical properties are maintained.

Description

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AI Technical Summary

Benefits of technology

This patented method allows for better control over the properties of an elastomer used during manufacturing processes like tire production. By adding certain chemical substances or polymer resins into this process at different stages of mixing, there may be more evenly distributed throughout the final product with improved physical characteristics compared to previous methods that had only limited success rates due to lack of homogeneous distribution across all components being mixed.

Problems solved by technology

This technical problem addressed in this patents relates to making highly viscous polymers called Thermo Plaspehytanozone Rubbers ("TPI"), specifically known as dynamically vulcanizable rubbers, while maintaining good heat transfer capabilities like thermal conductivity. Previous techniques have had limitations in terms of producing stable products containing fine rubber powder mixed uniformly throughout. These previous processes resulted in decreased product quality and increased costs compared to current manufacturing practice.