| 摘要 |
PURPOSE:To obtain a sulfur master batch having always constant sulfur content, by blending rubber-like polymer latex with a sulfur water dispersion adjusted with a thickening agent and a dispersant and coprecipitating sulfur. CONSTITUTION:100pts.wt. water is blended with 10-150pts.wt. sulfur powder having 300 meshes, 0.1-5pts.wt. thickening agent (e.g., methyl cellulose, etc.,) and 1-10pts.wt. dispersant (e.g., sulfonate of naphthalene-formaldehyde, etc.,) to give sulfur water dispersion, which is blended with rubber-like latex and sulfur is coprecipitated with a coagulating agent (e.g., hydrochloric acid, etc.).
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