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    • 5. 发明公开
    • 페놀 수지 발포체
    • 酚醛树脂泡沫
    • KR1020070029060A
    • 2007-03-13
    • KR1020060085034
    • 2006-09-05
    • 아사히 유키자이 가부시키가이샤
    • 다카하시히로오가토도시유키제헤라아르뤼드코포크빈센트
    • C08J9/06C08K3/10C08L61/06
    • A phenolic resin foam is provided to stably maintain an insulation performance for a long period of time, have high pH, and thus inhibit the corrosion occurrence of metal when contacting a metal material. The phenolic resin foam is formed by expanding and hardening an expandable phenolic resin composition containing a phenolic resin, a blowing agent, an acidic catalyst, and an inorganic filler. The blowing agent contains a C1-8 aliphatic hydrocarbon. The inorganic filler is selected from metal hydroxides, metal oxides, metal carbonates, and metallic powder. A pH of the phenolic resin foam is 5 or higher. A molar ratio of phenol to aldehyde in the phenolic resin is in the range of 1:1 to 1:3.
    • 提供酚醛树脂泡沫以长期稳定地保持绝缘性能,具有高pH值,从而在金属材料接触时抑制金属的腐蚀发生。 通过使包含酚醛树脂,发泡剂,酸性催化剂和无机填料的可发性酚醛树脂组合物膨胀和硬化来形成酚醛树脂泡沫体。 发泡剂含有C 1-8脂族烃。 无机填料选自金属氢氧化物,金属氧化物,金属碳酸盐和金属粉末。 酚醛树脂发泡体的pH为5以上。 酚醛树脂中酚与醛的摩尔比在1:1至1:3的范围内。