| 摘要 |
PROBLEM TO BE SOLVED: To provide algae proof expanded resin particles excellent in algae prevention effect by incorporating an algae preventive in expandable resin particles or allowing the expandable resin particles to support the algae preventive. SOLUTION: An algae preventive represented by the formula: (C5H4NOS)nX (wherein X is Zn, Na or Cu) is supported by or incorporated into expandable resin particles. In the case of allowing the surfaces of the expandable resin particles to support the antibacterial agent, the amount of 0.01-5.0 pts.wt. is coated or supported with the use of 0.01-2.0 pts.wt. at least one hardened oil. |
