可膨胀石墨

在分析可膨胀石墨膨胀机理基础上，实验研究了三维空间中的膨胀石墨对3mm、8mm波的衰减性能。

On the basis of analyzing expanded mechanism of expansible graphite , attenuation performance of expanded graphite in three-dimensional space at 3 mm and 8 mm wave was studied by experiments .

结果显示，膨胀石墨能够较好地衰减3mm和8mm波辐射，其衰减性能随着可膨胀石墨粒度减小而降低。

The results show that expanded graphite has a valuable attenuation performance at 3 mm and 8 mm wave , and its attenuation performance decreases with the reduction of expansible graphite particle size .

通过混酸法制备了两种不同氧化剂体系的可膨胀石墨（EG），并采用膨胀容积和X射线（XRD）对EG进行了表征。

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

分别对原料石墨和制得的可膨胀石墨进行Xray衍射扫描分析，证实了插层反应的存在及插层反应的不完全性；

X-ray analysis of graphite material and expandable graphite was carried out , and the results testified the creation of intercalation compound and its ' inadequacy .

将可膨胀石墨（EG）加入到APP/PER/MEL防火涂料中，得到EG改性涂料。

Expandable graphite ( EG ) was added to APP / PER / MEL coatings to formulate an EG modified flame retardant coating .

本文以天然石墨、可膨胀石墨为原料分别合成了膨胀石墨及氧化石墨，并利用X射线衍射、红外光谱及热分析等手段对其进行结构研究。

A comparative study on the forming process of exfoliated graphite and graphite oxide prepared from both natural graphite and expandable graphite is accomplished with XRD , FTIR and TG techniques .

用CrO3作氧化剂制备无硫可膨胀石墨

Preparation of Sulfur-free and Expandable Graphite By Using Chromic Anhydride as Oxidant

它们的逾渗点处的电阻率值（Ω·cm）处于同一数量级，为10~6数量级。这表明可膨胀石墨的添加对于复合材料的导电性有一定贡献。

The threshold value (Ω· cm ) is in the same order of magnitude , i.e. 10 ~ 6 . It is indicated that expandable graphite has certain contribution to the electric conductivity .

用HNO3制备无硫可膨胀石墨及影响因素探讨

Preparation of sulfur-free expandable graphite by nitric acid

本论文以天然鳞片石墨为原料，采用化学氧化法和超声波法制备了石墨层间化合物（GraphiteIntercalationCompounds，GIC），其商品名也被称为可膨胀石墨（ExpandableGraphite）。

In this paper , natural flake graphite was applied as raw materials to prepare graphite intercalation compounds ( GIC ) with chemical oxidation and ultrasound irradiation . Its trade name is expandable graphite .

经试验，醋酸插层的可膨胀石墨的膨化率达96%，对8mm波有明显的干扰作用。

Test results showed that the expansion ratio of the expandable graphite inserted with acetic acid is 96 % , and the expandable graphite interfered the eight millimeter wave obviously .

根据石墨的层状结构，以可膨胀石墨（KP）或膨胀石墨（EP）为模板，应用原位聚合法成功制备了聚苯胺（PANi）/石墨导电复合材料。

Polyaniline ( PANi ) / graphite conducting composites were prepared by in situ polymerization of aniline based on expandable graphite ( KP ) or expanded graphite ( EP ) according to their layered structure .

本文第一部分主要研究了不同粒径的可膨胀石墨（EG）粒子填充高密度硬质聚氨酯泡沫塑料（RPUF）无卤阻燃性能的研究。

In the first part of this work , the expandable graphite ( EG ) with different particle size filled rigid pol (?) urethane ( RPUF ) foam was obtained .

60g可膨胀石墨发烟剂对3mm和8mm波单程最大衰减值均大于10dB，干扰时间约为20s。

The unilateralism maximum attenuation to 3 mm and 8 mm wave of 60 g expansive graphite are higher than 10 dB , the interference time is about 20 s.

采用低温可膨胀石墨（LTEG）作为阻燃剂，制备了聚丙烯基阻燃复合材料。

With low-temperature expandable graphite ( LTEG ) as flame retarded agent , a novel PP based com - posite was prepared .

研究了在可膨胀石墨表面非电沉积金属，对镀金属膨胀石墨进行了FT-IR及热重分析，利用烟火药爆炸对其进行了膨化及分散试验，测试了其对8mm波的衰减率。

Electroless metal plating was performed on the surface of expandable graphite , FT-IR and TG-DTG analysis to metal-coated expandable graphite was studied in this paper . Expansion , disperse and attenuation to 8mm wave were carried out by pyrotechnic explosion .

以线形低密度聚乙烯（PE-LLD）、低温可膨胀石墨（LTEG）为原料，通过双转子连续混炼机，采用熔融混合法制备了PE-LLD/膨胀石墨插层型复合材料。

Using twin-rotor continuous mixer , an intercalated composite was prepared via direct blending of linear low density polyethylene ( PE-LLD ) melt and low temperature expandable graphite ( LTEG ) .

结果表明：不同插层物质的可膨胀石墨对烟幕红外、毫米波衰减性能影响很大，其中，分别以CH3COOH、H2SO4、HNO3插层的可膨胀石墨制备的发烟剂衰减效果较好。

Results show that the expansible graphite of differently inserted substances has significant effect on the attenuation property of smoke to IR and MMW ; the attenuation effect of smoke composition prepared by expansible graphite which chooses CH_3COOH , H_2SO_4 and HNO_3 as inserted substances respectively is preferable .

确定了可膨胀石墨的最佳制备条件：石墨与硫酸、硝酸、癸醇的质量比为1∶3∶2∶01，反应时间为40min，反应温度60℃。

The optimum preparation conditions were determined as follows : mass ratio of natural graphite to sulfuric acid , nitric acid and decanol 1 ∶ 3 ∶ 2 ∶ 0.1 , reaction time 40 min , and reaction temperature 60 ℃ .

可膨胀石墨的洗涤方法与质量控制

The washing method and the quality control of the expansion graphite

可膨胀石墨用作抗红外/毫米波双模发烟剂的研究

Study on anti-IR / Millimeter Wave Smoke Composition with Expansive Graphite

纳米复合材料&可膨胀石墨的合成及应用

Synthesis and Application of Expandable Graphite as a Nanometer Compound Material

可膨胀石墨中有害硫的研究

A study on harmful ELEMENT-S in the products of expanding graphite

不饱和聚酯/可膨胀石墨体系的结构与阻燃性能

Structure and Fire Retardance of Unsaturated Polyester / Expandable Graphite System

可膨胀石墨发烟剂对毫米波衰减性能的实验研究

Experimental Study on Millimeter Wave Attenuation Properties of Expansible Graphite Smoke Composition

可膨胀石墨阻燃水发泡聚氨酯泡沫塑料的制备

Preparation of Flame-Retardant of Water Blown Polyurethane Foams Filled with Expandable Graphite

可膨胀石墨催化合成季戊四醇双缩茴香醛

The Synthesis of Diacetals from Aldehydes with Pentaerythritol Catalysed by Expandable Graphite

可膨胀石墨填充高密度硬质聚氨酯泡沫塑料无卤阻燃性能的研究

Expandable Graphite for Halogen-free Flame-retardant of High-density Rigid Polyurethane Foams

新型无卤可膨胀石墨防火涂料

A New Kind of Halogen-Free Fire Retardant Coatings Made From Expandable Graphite

可膨胀石墨在硬质聚氨酯泡沫阻燃性能中的研究

Flame Retardants Study of Expandable Graphite in Rigid Polyurethane Foams