| 摘要 |
A rubber composition containing propylene glycol is presented. The rubber composition contains a surfactant, propylene glycol, and any of natural rubber, synthetic rubber, or a mixture of natural and synthetic rubber. The rubber composition is freeze protected for temperature as low as -35° C. and may be used as a tire sealant, among other uses. The surfactant has an HLB level greater than 13. A method of making the rubber composition is also presented. The method entails adding propylene glycol to a surfactant to form a propylene glycol mixture, and combining the propylene glycol mixture with a rubber emulsion. Optionally, a fibrous or non-fibrous filler (e.g., cellulose fiber) may be added to the propylene glycol mixture prior to being combined with rubber. Also optionally, a tackifier and an antioxidant may be added to the rubber emulsion prior to being combined with the propylene glycol mixture.
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