聚甲二醇 的英文怎麼說
中文拼音 [jùjiǎèrchún]
聚甲二醇
英文
polymethylene glycol-
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。The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
本論文以開發無機?有機復合納濾膜為出發點,首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜;選用聚乙烯醇和聚酰胺為表面功能層材料,分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑,採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜;以均苯二甲酰氯、哌嗪和二胺為單體,採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜,並對影響膜性能的諸多因素進行系統研究。Study on the esterifying process and kinetics of polythylene - glycol and methacrylic acid
聚乙二醇與甲基丙烯酸的酯化工藝及動力學研究Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰化工有限公司座落在江蘇國際塑化城,是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口,主要經營產品:甲苯、純苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙聚環戊二烯、降冰片烯二酸酐等。( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
( 3 )用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物,與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜,制備了一種苯並蒽酮schiff堿光化學傳感器,可用於單質碘的測定。The characterization of the graft copolymer of cda with mpeg
二醋酸纖維素與聚乙二醇單甲醚接枝物的表徵We specialize in chemical material s, including 1, 4 - butanediol, tetrahydrofuran, ptmeg, polyvinyl alcohol series, sodium diacetate, glacial acetic acid, dibutyl phthalate, methyl acetate, ethyl acetate, n - butyl acetate, - butyrolactone, polyvinyl acetate emulsion series, pentaerythritol, redispersible emulsion, anhydrous sodium acetate and methanol
公司主要經營的產品有: 1 , 4 -丁二醇,四氫呋喃, ptmeg ,聚乙烯醇系列,雙乙酸鈉,冰醋酸,鄰苯二甲酸二丁酯,醋酸甲酯,醋酸乙酯,醋酸丁酯, -丁內酯,白乳膠系列,季戊四醇,可再分散性乳膠,無水醋酸鈉,甲醇。The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane.
用縮水甘油、乙二醇,水或三羥甲基丙烷等改良劑,可控制聚醚的羥基官能團。The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water, or trimethylol propane.
可用縮水甘油,乙二醇,水或三羥甲基丙烷等改良劑,可控制聚醚的羥基官能團。The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1
為了改善和優化聚醚碸超濾膜(單浴法)在血液過濾實際應用中的性能,本論文以j . a . van ' thof等提出的雙凝固浴法為基礎,以聚醚碸( pes )為主要成膜材料,以二甲基亞碸為溶劑,並添加一定分子量的致孔劑( pvp ,聚乙烯吡咯烷酮)以及一定分子量的添加劑( peg ,聚乙二醇)按照一定配比在一定溫度下製成透明均一的鑄膜液,靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜,然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。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。In the second part, we studied the plastic porous probe for ammonia measurement, which was made by methyl methylacrylate. we selected methyl methylacryte ( mma ) as the monomer, diethylene glycol dimethacrylate ( dgdm ) as cross - linking agent and toluene as the inert solvent. the probe was prepared by a copolymerization technique
第二部分為以甲基丙烯酸甲酯為單體的多孔塑料光纖傳感探頭的研究,在這一部分里,我們以甲基丙烯酸甲酯為單體,雙甲基丙烯酸一縮二乙二醇酯為交聯劑,以甲苯為致孔劑,採用交聯共聚技術制備氨多孔塑料光纖傳感探頭,並將ph熒光指示劑藻紅固定於共聚體中。Synthesis of benzaldehyde glycol acetal catalyzed by h3pw12 o40 pan
鎢磷酸摻混聚苯胺催化合成苯甲醛縮乙二醇Linker molecules, the polymerization of 3 - [ 2, 5, 8, 11 - tetraoxa - tridecyl - 13 - ol ] - pyrrole were designed and synthesized according to the requirement of the electropolymerization. the electropolymerization of 3 - pyrrole derivative with alkaline medium at platinum disk electrode have been studied by cyclic voltammetry and chronoamprometry. the polypyrrole membrane was characterized with scanning electro microscopy ( sem ), energy dispersive x - ray analysis ( edx )
本論文首先在循環伏安、恆電位法電聚合的基礎上篩選出了適合於作為固定dna的載體3 -吡咯甲基-四聚乙二醇單醚,探索了在堿性條件下將其聚合到鉑盤電極上的實驗方法和條件,並利用掃描電子顯微鏡( sem ) 、 x -射線能量散射譜( edx )等實驗技術對聚合膜的表面形貌和元素組成進行了表徵。Studies on the crystallization properties and crystallization kinetics of polytrimethylene terephthalate
聚對苯二甲酸丙二醇酯樹脂的結晶特性和結晶動力學In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester
本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發,設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物,並確定了以聚乙二醇( peg )系列、丙烯酸( aa ) 、甲基丙烯酸甲酯( mma )為合成該類減水劑的主要化學原料。Flexible insulating sleeving - part 3 : specifications requirements for individual type of sleeving - sheet 320 : polyethylene terephthalate textile sleeving, lightly impregnated
絕緣軟套管.第3部分:各種型號軟管規范要求.第320篇:輕度浸漬的聚對苯二甲酸乙二醇酯編織套管Flexible insulating sleeving - part 3 : specification requirements for individual types of sleeving - sheets 420 to 422 : polyethylene terephthalate textile sleeving with acrylic based coating
絕緣軟套管.第3部分:各種類型套管的規范要求.第420至第422活頁:有丙烯酸基包覆層的聚對苯二甲酸乙二醇酯編織套管Polyglycols for industrial use. determination of hydroxyl number. phthalic anhydride esterification method
工業用聚乙二醇.羥基數值的測定.鄰苯二甲酸酐酯化法The results show that the pyrrole - derivative was successfully electropolymerized on the surface of the electrode. the data estimated by edx results revealed the density of the pyrrole - derivative on the electrode was about several nmol per square milimeter. the 3 - pyrrole - dna also was successfully deposited on the electrode surface by electropolymerization because the edx characterization of polymer shows that the phosphor element was appeared
結果表明, 3 -吡咯甲基-四聚乙二醇單醚可成功地聚合到電極表面,進一步的計算表明,電極表面修飾的3 -吡咯甲基-四聚乙二醇單醚鏈的密度為每平方毫米幾個nmol的數量級,且因聚合方法的不同密度有所差異。分享友人