| 摘要 |
PROBLEM TO BE SOLVED: To provide a natural rubber latex capable of enhancing storage stability, capable of preventing a molecular weight of natural rubber from getting low, and allowing storage for a long period at a low pH.SOLUTION: An antiseptic agent is added to a natural rubber latex within 0-77 hours after the natural rubber is collected. The amount of antiseptic agent added is preferably 0.05-2.0 mass% in the natural rubber latex, and 1,2-benzisothiazoline-3-one is preferably used as the antiseptic agent. |
