水解聚合 的英文怎麼說
中文拼音 [shuǐjiějùgě]
水解聚合
英文
hydrolytic polymerization-
Abstract : through analysis of the components of coking on different parts of desullfur system of single tower and the waste water containing sulfur, we find the cause of coking in the stripping desulur system from single tower is the polymerization reaction of carbohydrate and the separattion of varied solid powders, organic compounds, and all corrosive productions of metal out of waste water in high temperature, therefore, the solving method is how to decrease the oil content, how to depolymerize form the carbohydrate and how to antisepticize by vapour of waste water
文摘:對單塔脫硫系統中不同部位的垢物及現場催化含硫污水進行了分析測定，結果表明：塔內污垢成分及含量隨塔體部位的不同而不盡相同，單塔汽提脫硫系統中垢物的形成，主要是由於污水中所含各類粉塵、有機物、金屬腐蝕物等在高溫下因石油碳氫化合物的析出及其單體的聚合反應所致.如何降低污水中的含油成分、減少聚合反應的生成、防止污水蒸氣對塔體材料的腐蝕，是阻垢、除垢和防垢應解決的關鍵問題Hydrolysis of polymers if often catalyzed by traces of acids or bases.
正和它們的低分子量的類似物一樣，微量的酸或堿常能促進聚合物的水解。Hydrolysis of polymers, as with their low-molecular weight analogs, is often catalyzed by traces of acids or bases.
和它們的低分子量的類似物一樣，微量的酸或堿常能促進聚合物的水解。If we take a polymer instead of a the common salt, say, polyvinyl alcohol, and add it to a fixed quantity of water, the polymer does not go into solution immediately
如果我們用聚乙烯醇代替食鹽加入到一定量的水中，這種聚合物並不會立即溶解。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。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( 2 ) the reaction factors optimized by orthogonal tests are : the emulsion polymerization temperature is 60, the reaction time is 3 hours, the amount of emulsifier is 8wt %, the hydrophile lipophile balance ( hlb ) value of emulsifier is 15, the stirring speed is 4000r / min, the dropping speed is 1. 1g / min
用正交實驗確定的最佳聚合反應工藝參數為：水解溫度60 ，水解聚合時間3h ，乳化劑用量8wt ，復合乳化劑hlb值為15 ；攪拌速度為4000r min ，滴加速度為1 . 1g min 。Mechanistic study of the hydrolytic oligomerization of - aminopropyltriethyoxysilane and characterization of the products
氨丙基倍半硅氧烷的水解聚合機理研究及產物結構表徵It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. good character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film
聚乙烯醇是一種水溶性高分子聚合物，它具有化學性能穩定溶解性能良好粘著力大等優點，可用作聚合反應的乳化劑和分散劑，同時可取代澱粉等作為膠粘劑，廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業，在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面，日益顯示出其良好的使用性能。It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. sound character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film
聚乙烯醇pva是一種水溶性高分子聚合物，它具有化學性能穩定溶解性能良好粘著力大等優點，可用作聚合反應的乳化劑和分散劑，同時可取代澱粉等作為膠粘劑，廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業，在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面，日益顯示出其良好的使用性能。Water quality - determination of the inhibition of the mobility of daphnia magna strauss by polyelectrolytes in presence of organic carbon in the form of humic acids - acute toxicity test
水質.以腐殖酸形式存在的有機碳中的聚合電解質對水蚤運動性抑制的測定.急性毒性試驗The progress in stabilizations and stabilization mechanisms of the metal nanoparticles by nonionic polymers, polyelectrolytes, amphiphilic polymers, double - hydrophilic polymers, and dendrimers is reviewed
本文綜述了非離子聚合物、聚電解質、兩親聚合物、雙親水聚合物、樹狀聚合物對金屬納米粒子的穩定作用及其穩定機理的研究進展。Pva polyvinyl alcohol is a kind of water soluble polymer with stable chemical property, good dissolution and strong
聚乙烯醇是一種水溶性高分子聚合物，它具有化學性能穩定溶解性能良好粘著力大等優點，可用作聚合反Pva polyvinyl alcohol is a kind of water soluble polymer with stable chemical property, good dissolution and strong a.
聚乙烯醇pva是一種水溶性高分子聚合物，它具有化學性能穩定溶解性能良好粘著力大等優點，可用作聚合反應? .The silicone and silicone emulsion, hydrophobic additive, were preparaed by the method of hydrolytic polymerization and emulsion polymerization, respectively. the technical factors and properties of the coating were optimized. the design mothod of the heat - insulated coating film was studied
首先用硅氧烷水解聚合法和乳液聚合法制備了高效疏水性硅酮樹脂和有機硅乳液型疏水添加劑，並對制備工藝參數、性能進行了優化。Determination method of relative molecular weight and degree of hydrolysis of polyacrylamide in produced fluid with polymer flooding
聚合物驅產出液中聚丙烯酰胺相對分子質量和水解度的測定方法The innovations of this novel vegetable - gum drilling fluid started with the investigations of vegetable - gums, synthetic high polymers, base modifiers, and coupling agents. through laboratory tests, we make sure that the constituents of this drilling fluid, named kl vegetable - gum drilling fluid by us, should consist of kl gum, hyper - php ( h - php ), and naoh, and by means of mathematical orthogonal tests, we got its optical compositions, and carried out laboratory tests regarding its behaviours
同時，為確定新型植物膠沖洗液的配方和組分，我們還對植物膠、合成高分子聚合物、改性處理劑進行了廣泛的調研，並通過室內試驗進行優選，最終確定新型植物膠沖洗液為苦藶豆膠沖洗液，基本三組分為：苦藶豆膠（ kl ） 、超級水解聚丙烯酰胺（ h - php ）和燒堿（ naoh ） ；進而，通過正交試驗確定該沖洗液優化配方，並進行相應的性能評價。The content of this research include : screening the microorganism that can produce bioflocculant from the microorganism sample, select the best microorganism to optimize its culture condition that can increase the flocculating activity to the utmost ; in order to see about his flocculating activity, then using the bioflocculant flocculate the kaolin suspension and compare the flocculating results with the pac hpam ; on the basis of the bioflocculant has excellence flocculating activity, distill and purify the bioflocculant from the culture mediunu give qualitative analysis of its ingredient and reach its flocculating mechanism. the studies include the enrichment culture of the microorganisms that can produce bioflocculant and their screening suggest that they are broad exist in the soil and active sludge
本課題的研究內容包括：從微生物樣品來源中篩選出微生物絮凝劑；從中挑選具有優良絮凝活性的微生物絮凝劑產生菌，對其產微生物絮凝劑的培養條件進行優化以提高其產絮凝劑的絮凝活性；用該絮凝劑絮凝高嶺土懸液，並與聚合鋁（ pac ）和水解聚丙烯酰胺（ hpam ）進行比較，以考察其對廢水的絮凝效果；在具有優良絮凝活性的基礎上，將該絮凝劑提取和純化，對其進行分析研究，並對其絮凝機理進行探討。Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process
將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中，獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合，在分散體粒子內產生擴鏈交聯反應，生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的平均分子量與理論平均分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明，此分散體具有極大的工業應用價值6 mud program for the 12 1 / 4 inch interval is the pdf - plus mud, which is the phpa polymer
4英寸井段採用pdf plus泥漿體系，這是部分水解聚丙烯酰胺聚合物體系。分享友人