聚甲基苯乙烯 的英文怎麼說
中文拼音 [jùjiǎjīběnyǐxī]
聚甲基苯乙烯
英文
polyalphamethylstyrene- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 甲 : Ⅰ名詞1 (天乾的第一位) the first of the ten heavenly stems2 (爬行動物和節肢動物身上的硬殼) she...
- 烯 : 名詞[化學] (有機化合物的一類) alkene; olefince
- 甲基 : methyl; methylium; carbinyl; hexanone
- 苯乙烯 : [有機化學] styrene; phenylethene; phenethylene; cinnamol; synachrom bio beads s; polypak; styrol;...
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The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition
系統研究了ba 、甲基丙烯酸甲酯( mmal苯乙烯舊t )以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素,結果表明: ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )
摘要以金雞納生物堿中的辛可寧為原料,氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽,並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid , methylacrylic acid , esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water , anti acidity or bascity and brightness in the products of same type
以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料,在引發劑的存在下,以水或醇作溶劑進行聚合,加入苯乙烯、醋酸乙烯等改性,合成了3種不同的水溶性丙烯酸改性樹脂,並對其性能進行了測定.結果表明:這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品The thermodynamic free energy on mixing and the spinodal equation in ternary homopolymer blends were obtained by making plausible approximation based on flory ' s equation of state theory. because of the non - linear behavior of the spinodal equation, a numerical solution approach was used and succeeded in solving the problem. spinodal of polystyrene ( ps ) / poly ( vinyl methyl ether ) ( pvme ) / poly ( 2, 6 - dimethyl - 1, 4 - phenylene oxide ) ( ppe ) were simulated over a wide temperature range and the calculated result was coincidence with that of the literature
將上述方法用於已知狀態方程參數的二元均聚共混體系聚苯乙烯( ps ) /聚甲基乙烯基醚( pvme ) ,三元均聚共混體系聚苯乙烯( ps ) /聚甲基乙烯基醚( pvme ) /聚2 , 6 -二甲基1 , 4 -苯撐氧( ppe ) ,得到一系列不同溫度下的spinodal相圖,預測結果與文獻報道吻合,在此基礎上進一步研究了聚合物的分子量對體系相行為的影響。Characterization of poly p - methylstyrene - b - isobutylene - b - p - methylstyrene
對甲基苯乙烯和異丁烯三嵌段共聚物的分析與表徵Mbs methyl methacrylate - butadiem - styrene copolymer
甲基丙烯酸甲酯一丁二烯一苯乙烯共聚物Characterization of styrene - methyl methacrylate copolymer
甲基丙烯酸甲酯苯乙烯共聚物的表徵We selected styrene as monomer, diethylene glycol dimethacrylate as cross - linking agent. the copolymerization technique was used in preparing the probe. the ph fluorescent indicator was immobilized in the probe as the sensitive element
我們選擇苯乙烯為聚合單體,雙甲基丙烯酸一縮二乙二醇酯為交聯劑,採用交聯共聚技術制備氨多孔塑料傳感探頭,並將ph熒光指示劑固定於共聚體中作為氨的敏感元素。For this purpose, 2, 5 - diaminobenzene sulphonic acid ( dabsa ) [ c6h3 ( nh2 ) 2so3h ] can be selected as one monomer of ip reaction. the other monomer can be trimesoyl chloride ( tmc ) [ c6h3 ( coc1 ) 3 ]. in order to introduce the cationic group into membrane, 4 - ( chloromethyl ) benzoyl chloride ( cmbc ) [ ch2c1c6h4 ( coc1 ) ] could be added into organic phase ( tmc ) and used for chemical modification after ip process based on the reaction between 4 - ( chloromethyl ) benzoyl chloride and trimethylamine ( tma )
為了引入陽離子交換基團,本文採用2 , 5 -二胺基苯磺酸作為界面聚合的無機相單體;為了引入陰離子交換基團,在均苯三甲酰氯有機相單體中加入一定量的4 -氯甲基苯酰氯,並考慮在無機相中加入適量的聚乙烯亞胺( pei )以增加其正荷電性。This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away
本論文主要包括三個方面的研究內容: ?氯化聚乙烯( cpe ) /壓電陶瓷( pzt ) /氣相生長碳纖維( vgcf )復合材料; ? cpe /雙[ ( 2 -羥基- 3 -環己基- 5 -甲基) -苯基]甲烷( zkf ) / vgcf復合材料; ? cpe基有機小分子混雜型復合材料cpe / pzt / vgcf減振復合材料:利用壓電和導電填料填充高聚物基體,當復合材料受到機械振動時,通過高聚物基體將機械振動能傳遞到壓電陶瓷粒子上,利用壓電陶瓷的壓電效應,將機械能轉換成電能,則電流在導電粒子產生的迴路中流動,由於導電迴路具有一定的電阻,所以電能又轉變成熱能耗散掉,從而起到減振的目的。Furthermore, its response changed little even after the sensor was soaked in water for 30 min. four kinds of multi - layers nanocomposite humidity sensitive films, including sodium polystyrenesulfonate / poly ( diallyldimethylammonium chloride ) ( napss / pdda ), sodium polystyrenesulfonate / poly4 - vinylpyridine quaternized with butyl bromide ( nbubr - p4vp ), sodium polysryrenesulfonate / zinc oxide ( napss / zno ) and sodium poly ( acrylic acid ) / zinc oxide ( paana / zno ), have been prepared by means of self - assembly
用靜電吸引自組裝法制備了聚苯乙烯磺酸鈉( napss )聚二烯丙基二甲基氯化銨( pdda ) 、 napss溴代正丁烷季胺化聚4 -乙烯吡啶( nbubrp4vp ) 、聚苯乙浙江大學碩士學位論文摘要烯磷酸鈉則apss們化鋅面ox聚丙烯酸鈉p句zno四個體系的自組裝納米復合濕敏膜及濕敏元件。The molecular weight of sppms was in the range of 4x 104g / mol to 10 x 104g / mol, and the molecular weight distribution was from 1. 6 to 6. 0
P -甲基苯乙烯與苯乙烯共聚時, p -甲基苯乙烯共聚能力高於苯乙烯,二者傾向于無規共聚,仍為間規聚合物。Comparison of the diffusion coefficients calculated by this new model with the present experimental data, including benzene, toluene, ethylbenzene in polystyrene ( ps ) and poly ( methyl methacrylate ) ( pmma ) are performed, calculation results in this study are in good agreement with experimental data, for the correct estimation of the hole - free volume change above and below the glass transition
以芳香族溶劑苯、甲苯、乙苯在玻璃態聚苯乙烯和聚甲基丙烯酸甲酯中的擴散系數為例對模型進行驗證,理論計算結果和實驗值取得良好一致。Sms styrene methylstyrene copolymer
苯乙烯一甲基苯乙共聚物The aim of this thesis is in search of the catalysts which are moderate and stable for preparing mono - dispersed macroporous materials, by means of syndiotactic polymerization of styrene
並且將部分催化劑用於苯乙烯與p -甲基苯乙烯共聚合、苯乙烯與乙烯共聚合,對材料的功能化作了初步的探討。Plastics. basic materials for polyurethanes. determination of the ratio of 2, 4 and 2, 6 isomers in the toluylene diisocyanate by infra - red spectroscopy
塑料製品.聚氨基甲酸酯塑料.用紅外線光譜法測定二異氰酸二苯乙烯中2 4和2 6異構體的含量Plastics. primary materials for polyurethanes. determination of chloride hydrolysable in diisocyanate tolylene
塑料製品.聚氨基甲酸乙酯基料.二異氰酸二苯乙烯中水溶氯含量的測定The copolymerizations of p - methylstyrene and styrene, styrene and ethylene were also investigated using some of these catalytic systems. the three kinds of catalysts showed their own polymerization principles. the changes of polymerization activity and polymer properties depended on the structure of complexes, different polymerization conditions such as the catalyst concentration, the molar ratio of al to ti, the polymerization temperature and reaction time
三類催化劑催化苯乙烯和p -甲基苯乙烯均聚時都有各自一定的聚合規律,不同的配體結構,聚合條件催化劑濃度、鋁鈦比、聚合溫度和反應時間對聚合活性以及聚合物的性質有很大影響。Plastics - basic materials for polyurethanes. determination of the free tolyylenediisocyanate content of prepolymers gas chromatography method
聚氨基甲酸乙酯塑料基材料.預聚合物氣相色譜分析法中游離二異氰酸二苯乙烯含量的測定The pigment printing binder of textile for environmental protection was prepared by copolymerization with butyl acrylate, methyl methacrylate and styreneis as the main materials
摘要以苯乙烯、甲基丙烯酸甲酯和丙烯酸丁酯為主要原料,經乳液聚合,製成了環保型的塗料印花粘合劑。分享友人