| 摘要 |
PROBLEM TO BE SOLVED: To provide a natural rubber which is sufficient in the viscosity stability of rubber after being made products and stable in quality, and which does not cause an internal corrosion of process equipment because it not always requires a kneading process and the like, and its manufacturing method. SOLUTION: The natural rubber is formed by blending a rubber latex with a hydrazide compound in the range of 0.1-0.5 mass% to the solid amount of dry rubber (dried rubber content; DRC) of the rubber latex, before adding a coagulation acid to the rubber latex. COPYRIGHT: (C)2006,JPO&NCIPI
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