• 可膨胀石墨制备三种不同方法

    Expandable graphite was prepared with three different methods.

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  • 通过正交实验研究可膨胀石墨催化合成乙酸乙酯最佳条件

    The optimum condition for synthesis of ethyl acetate catalyzed by expansible graphite was investigated through orthogonal test.

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  • 结果表明可膨胀石墨催化下,酯化条件明显缓和酯化产率低,不到40%。

    The results showed that the reaction condition became milder over expansible graphite, but the esterification efficiency was lower than 40%.

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  • 实验证明涂料防火性能树脂基体阻燃体系可膨胀石墨填料的用量密切相关

    The experiments indicate that the fire-endurance effect was consanguineously correlative with dosages of the matrix resins, flame-retardant system, expandable graphite and pigment-fillers.

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  • 运用JB/T 6623-93中测定方法测定膨胀石墨中的硫并取得满意结果。

    Sulphur in expandable graphitede is determined using the way of determining Sulphur in JB/T 6623-93.

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  • 介绍可膨胀石墨特性及其膨胀防火涂料中的应用特点,并对其发展前景进行了展望。

    The features of the expansible graphite and its application in the expansible fireproof coatings are introduced.

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  • 通过高温膨化二膨胀石墨混合物方法,制得附着铁氧化物膨胀石墨复合材料

    The expanded graphite composites with iron oxides adsorbed were prepared by expanding the mixture of ferrocene and expandable graphite under high temperatures.

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  • 结果表明最大衰减均达到70%以上,说明利用可膨胀石墨发烟产生的烟幕干扰毫米波的。

    Test results showed that the maximum attenuation effect can exceed 70%, and the expansible graphite was proved to be a possible countermeasure to millimeter wave.

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  • 酯化反应中,催化剂用量原料配比,反应时间酯化反应可膨胀石墨制备方法影响进行了讨论。

    In esterification reaction, the influences of catalyst amount, materials ratio, reaction time, prepared method of the expandable graphite on esterification reaction were discussed.

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  • 通过法制两种不同氧化剂体系膨胀石墨(EG),采用膨胀容积X射线(XRD)对EG进行表征

    Two EG systems doped different oxidants were prepared by blended acid and characterized by expandable capacity and XRD.

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  • 研究膨胀石墨含量温度复合保护导热系数影响规律。研究结果用于:计算钢锭模帽口散热及帽口内钢水凝固时间;

    The effect of expanding graphite content and temperature on the thermal conductivity of compound mold flux is studied through laboratorial measures.

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  • 结果表明传统的化学膨胀防火涂料相比,可膨胀石墨防火涂料在热降解、阻燃性、老化性、耐候性能等方面具有突出的优点。

    Experimental data show that the physical flame retardant coatings possess more advantages over the chemical coatings as to the aging resistance, water resistance and flame retardancy.

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  • 通过复合材料指数测定表明,添加了膨胀石墨的复合材料具有良好阻燃特性,但膨胀石墨对于复合材料阻燃效应贡献甚微。

    By means of the test of LOI (limited oxygen index), it is showed that composites have good flame-retardant characteristics and expanded graphite has less contribution to the flame -retardant effect.

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  • 通过复合材料指数测定表明,添加了膨胀石墨的复合材料具有良好阻燃特性,但膨胀石墨对于复合材料阻燃效应贡献甚微。

    By means of the test of LOI (limited oxygen index), it is showed that composites have good flame-retardant characteristics and expanded graphite has less contribution to the flame -retardant effect.

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