| 摘要 |
PROBLEM TO BE SOLVED: To control a puncture sealing agent to become creamy in the vicinity of the surface when a tire is stored for a long period of time. SOLUTION: Propylene glycol is used as an antifreezing agent. The puncture sealing agent comprises 40-60 wt.% of a deproteinized natural rubber latex, 10-30 wt.% of a pressure-sensitive adhesive, 20-40 wt.% of propylene glycol, and 0.4-2.0 wt.% of a surface active agent based on the total weight of the agent. |
