蒙脫粘土 的英文怎麼說
中文拼音 [mēngtuōniántǔ]
蒙脫粘土
英文
montmorillonite clay-
The rheological experienments suggested that the viscosity of pcn was less than pp " s and decreased with increasing content of montmorillonite. the effects of silicate layer on rheological behaviors of pcn are important to process performance of pcn
材料的毛細管流變測試表明,復合材料加工流動性隨著蒙脫土含量的增加而得以改善,其粘度要低於純pp的粘度,這對加工成型極有指導意義。When fillings is other materials ( unprocessed montmorillonite, powder coal ash, co - composite of powder coal ash and organo - montmorillonite, co - composite ofcarbonizing calcium and organo - montmorillonite ) in the binder and content of organo - montmorillonite in the binder is five percent decided by tensile - shear experiment, tensile - shear strength of binder is up to tiptop ; at the same time, this paper carries out abrasion experiment, and, by comparison, concludes abrasion property of coating is optimum when content of organo - montmorillonite in the binder coating is five percent, and observes abrasion sample under set
當膠粘劑中填料為其它物質(未處理蒙脫土、粉煤灰、粉煤灰和有機化蒙脫土共復合、碳化鈣和有機化蒙脫土共復合)時,通過拉伸剪切試驗確定膠粘劑中有機化蒙脫土含量為5時,膠粘劑的拉伸剪切強度最高;同時進行了沖蝕磨損試驗,通過比較得出,當膠粘劑塗層中有機化蒙脫土含量達到5時,塗層的耐沖蝕磨損性能最佳,並對沖蝕磨損試樣在掃描電子顯微鏡( set )上進行觀察。The intercalating rate of modifier was 27. 3wt %. fourier - trandformed infrared spectroscopy ( ft - ir ) also shows that modifier has been between layers. a series of polyamide / montmorillonite nanocomposites were prepared by melting extrusion method in two - screwed extruder at first
首次對三元尼龍和蒙脫土復合進行了研究, tem結果表明:粘土片層雜亂無章地分散在基體中,平均厚度10nm ,形成剝離型納米復合材料。The grafting degree and grafting efficiency were decreased. the conversion of semi - contionious emulsion polymerization was decreased as the addition of mmt was increased because of the effect of monomer diffusion and decreasing efficiency of intiating agent
半連續乳液聚合法制備abs mmt時,蒙脫土的存在使聚合轉化率顯著下降,並且mmt粘土含量越高,對乳液共聚合造成的不利影響越大。The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp
結果表明:與純聚丙烯相比,納米復合材料具有較高的動態彈性模量、損耗模量和復合粘度,力學損耗因子則降低,納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯;界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用,與聚丙烯相比,納米復合材料的流動活化能提高約15 % ,結晶峰溫度提高10k左右。And the main factors which influence modification of montmorillonite, were thoroughly studied and summarized in detail. then an optimum modifying scheme was made out. x - ray diffraction ( xrd ) results illustrate that the crystallized interlayer space of montmorillonite was expanded from 1. 5nm to 1. 7nm
以烷基胺作為有機改性劑,詳細研究了影響粘土有機改性的主要因素,總結出了一套經濟、實用的改性蒙脫土的方案,在國內首次達到中試水平, xrd和ir結果表明:蒙脫土的改性取得成功。The smectites are the most effective of the clay minerals as catalysts of these organic reactions.
對這些有機反應,蒙脫石是粘土礦物中最有效的催化劑。Study on the optical properties of transparent epoxy / clay nanocomposites a new type transparent epoxy based nanocomposites has been prepared by the reaction of alkylammonium exchanged montmorillonite ( amt ) with diglycidyl ether of bisphenol a ( dgeba ) and triethylamine as the curing agent. the morphology of amt in the epoxy matrix was characterized with x - ray diffraction ( xrd ), scanning electron microscopy ( sem ) and transmission electron microscopy ( tem )
光學透明環氧樹脂粘土納米復合材料光學性能採用十八烷基伯胺鹽、十六烷基三甲基溴化胺處理na基蒙脫土製備出兩種不同的有機土,以三乙胺為固化劑,有機土與雙酚a型環氧樹脂熔融插層聚合后制備出剝離型和插層型兩種結構的環氧樹脂粘土納米復合材料。This was related to the changes in the wear mechanisms induced by the introduction of the mmt as the filler, under water - lubricated condition, up was dominated by adhesion wear and fatigue peeling off in water - lubricated sliding against the steel, though the adhesion wear and fatigue peeling off were considerably abated for the nanocomposite under the same test condition
這是由於蒙脫土的加入改變了材料的摩擦磨損機理。不飽和聚酯主要是粘著磨損與疲勞開裂。在水潤滑條件下,納米復合材料的磨損形式發生改變,而在干摩擦條件下,納米復合材料的磨損形式依舊以粘著磨損為主。The objective of the paper is to analyze the mechanism of the process in inorganic gel preparation and the key parameters for deciding the quality of the products, which include the following parameters : purity montmorillonite, decentralization and viscosity in organic gel
本文分析了利用膨潤土製備無機凝膠的工藝過程機理及為保證產品質量需要控制的關鍵參加,即蒙脫石的提純純度,無機凝膠的高分散性和粘滯性。With the increasing of montmorillonite content, the composites showed a trend of pseudo - solidlike at lower frequencies, the montmorillonite layers could align along the stress direction, and as a result, the dependence of dynamic modules on the frequency was quite different before and after suffering from large amplitude oscillatory shear
然而當蒙脫土含量低於和臉或蒙脫土片層在基體中呈完全團聚狀態,則復合材料表現出與聚合物基體類似的線性粘彈特性。實驗發現,在熔體經大振幅振蕩剪切后,上述「類固.In this thesis, the pet / montmorillonite ( mmt ) nanocomposites and pure pet with high molecular weight were prepared by solid state polycondensation ( ssp ) so as to meet the needs of industrial fiber. the fiber was spun and drawn in proper conditions. the microstructure of pet / mmt nanocomposites was studied
本論文以常規分子量的聚對苯二甲酸乙二酯蒙脫土( pet mmt )納米復合材料和純pet為原料,通過固相縮聚的方法,來提高樣品的特性粘度,使之達到工業用纖維所需的分子量要求。The results indicate that the absolute and relative contents of sodium - ion and calcium - magnesium - ion in soil are important to identify dispersive clay soils, while the content of montmorillonoid is one of key factors and the river water affects the dispersibility of clay greatly
結果表明土樣中鈉離子和鈣鎂離子含量多寡和相對含量對粘土分散性具有重要的作用,蒙脫石的存在是粘土分散性的重要因素,河水對粘土分散性能將產生顯著影響。The linear viscoelastic behavior of melts for nanocomposites with different content of montmorillonite modified by cetyltrimethylammonium bromide and octadecyltrimethylammonium bromide was studied. the results obtained through examining the dynamic storage module g ", dynamic loss module g " and stress relaxtion module g ( t ) of the composites revealed that the linear viscoelastic properties of composites strongly depended on the loadings of montmorillonite exfoliated into the composites
在蒙脫土含量低至3叭%時,體系低頻率區域(末端區域)的動態模量出現近似於固體的粘彈行為屍類固( solid - li毅的」行為) ,模量對頻率依賴性降低甚至無依賴性。With the increasing of montmorillonite loading, the peak position corresponding to secondary relaxation for composites moved to higher and the peak values appeard higher, too
表明良好剝離分散的蒙脫土片層在聚合物基體中由於強烈相互子網路結構是其獨特粘彈行為的關鍵。Exfloited nanocomposites were successfully synthesized. the study of melting compound about pet eva abs pvc cpe and montmorillonite has been carried out. we abtained several intercalated nanocomposites, tem shows the interlayer spacing is no more than 100nm
首次對pet 、 eva 、 abs 、 pvc 、 cpe 、 pp與蒙脫土熔融復合進行了研究,制得多種插層型納米復合材料, tem照片顯示:多數粘土片層的厚度在100nm以內。Treated with prudent chosen intercalation regent, hydrophilic montmorillonite becomes hydrophobic ; the interlayer distance of montmorillonite is expanded and the compatibility of montmorillonite with polymer matrix is improved. montmorillonite disperses in the polymer matrix promoted by mechanical force and chemical interaction, which make it possible to prepare polymer / clay nanocomposite by melt intercalation process
通過對蒙脫土進行有機化處理,使蒙脫土由親水性變為親油性,蒙脫土層間距增大並改善蒙脫土與聚合物基體的相容性;利用受限空間內力化學作用促進蒙脫土在聚合物中的分散,使熔融插層法制備聚合物粘土納米復合材料成為可能。分享友人