環烷樹脂 的英文怎麼說
中文拼音 [huánwánshùzhī]
環烷樹脂
英文
cycloparaffin resin-
The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted
以提高層合板復合材料的層間斷裂韌性（能量釋放率）為目標，採用中堿玻璃布為增強材料，對疊層后的玻璃布，採用凱芙拉縫合線、改進的鎖型縫合方法、不同的縫合工藝進行了縫合；基體採用的是不飽和樹脂，固化劑為過氧化甲乙酮，促進劑為環烷酸鈷液；在室溫下採用真空輔助rtm （ resigntransfermolding ）成型固化方法，製作了不同縫合工藝的玻璃布增強復合材料層合板。New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded
闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展；同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。The electrode was found to decrease the solubility of dithizone in alkalescence solution and effectively minish the lose of deoxidize state of metal. third, a potentiometric sensor was prepared by adding copper diethyldithiocarbamate directly into the carbon paste mixture, and the electrode was found has nerst response to copper ion in solution. and in our research two pharmaceutical selective electrodes were fabricated by coating polyvinyl chloride ( pvc ) which contained electroactive material on carbon rod electrode
第二，利用- cd與環氧氯丙烷形成的交聯聚合物（ - cdp ） （不溶性）包合了雙硫腙，然後將- cdp與雙硫腙包合物樹脂作為修飾劑制備了碳糊修飾電極，利用陽極溶出伏安法（ asv ）測定了pd ~ （ 2 + ） ，實驗發現通過包合降低了雙硫腙在堿性溶液中的溶解度並且減少了金屬還原態的流失，取得了較好的效果。Abstract : by modifing epoxy resin with functional polysiloxane, the reduction of the internal stress of encapsulant made from polysiloxane - modified epoxy was realized. the thermal and mechanical properties of the modified epoxy encapsulant were introduced
文摘:綜述了用功能性聚硅氧烷對環氧樹脂封裝料進行改性從而實現環氧封裝料低應力化的幾種方法；並對改性后封裝料的結構、熱性能和機械性能作了詳細介紹。Through the research of crosslinking of matrix resin, heating treatment of composite and mixing of different polymer, we draw some conclusions : 1 、 percolation theory can explain the phenomenon of the jump of resistance when the content of cb reach a critical volume ; 2 、 based on ohm conduct theory, abounded to the percolation the wbibull statistical theory and other theory, an adapted theory was obtained to explain the jump of resistance and the other phenomenon ; 3 、 the ntc phenomenon was eliminated by crosslinking the matrix of conductive composite, at the same time the stability of composite was improved
通過對基體樹脂的交聯、復合材料的熱處理、聚合物共混物的研究得出了如下的結論： 1 、滲濾理論能夠很好的解釋導電粒子含量達到某一值時電導率劇增的問題； 2 、在歐姆導電模型的基礎上，綜合應用了weibull統計理論模型，結合原來的體積膨脹等理論，成功的解釋了ptc復合材料在基體材料熔點附近的跳變問題、 ntc現象以及熱循環穩定性等問題； 3 、有機ptc導電復合材料經硅烷交聯以後能夠消除ntc現象，改善了導電復合材料的穩定性能。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。Abstract ： this assay initially discussed the researches and developments of syntheses and reforming of the tetratlycidyletyer of tetraphenol ethane applying to the copper clad laminate and simply explained its principles and functions of uv - ray shield and fluorescence
摘要：本文對四官能環氧樹脂[ 1 ， 1 ， 2 ， 2 ?四（對羥基苯基）乙烷四縮水甘油醚]的合成與改性及在覆銅板中的應用作了初步探討，並對其屏蔽紫外線與產生熒光的機理作用作粗淺的闡述。The modification of ( alkyl ) phenolic resins via epoxidation or with rosin, petroleum resins, and other organic compounds or polymers containing unsaturated double bond were discussed respectively, mainly dealing with modification mechanism, modification methods and their applications
分別討論了（烷基）酚醛樹脂的環氧化改性、松香改性、石油樹脂改性及其他含不飽和鍵的化合物或聚合物改性，主要包括改性原理、改性方法及其應用情況。Organophilic montmorillonite was obtained by cation exchange on montmorillonite surface, which was modified from hydrophilic to hydrophobic and led to the increase in the basal distance between silicate layers of about 1nm. the intercalation and exfoliation behavior of organophilic montmorillonite in dgeba - montmorillonite system have been investigated by x - ray diffraction and transmission electron microscopy and the properties of nanocomposites were tested
在環氧樹脂蒙脫土納米復合材料的制備中，用十六烷基三甲基氯化銨通過陽離子交換的方法對蒙脫土進行了有機化處理，使蒙脫土由親水性變成親油性，其層間距也由原來的1 . 2nm擴大到2 . 2nm 。分享友人