縮合共聚 的英文怎麼說

中文拼音 [suōgěgòngjù]
縮合共聚 英文
conde ation-copolymerization
  • 縮 : 縮構詞成分。
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 共 : 共動詞[書面語]1. （圍繞） surround2. （兩手合圍） span with the hand
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  1. 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。
  2. It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded

    數值計算結果表明：無論是共振還是非共振相互作用， kerr效應均使原子與光場的耦合減弱，原子布居的崩塌與復甦的周期縮短，光場的非經典相關的穩定性增強；在初始光場較弱和較強兩種情況下，類kerr介質對雙模su （ 1 ， 1 ）相干態場兩模間的相關性、相關程度以及光子的聚束與反聚束效應產生的作用均有明顯的區別，即kerr效應對系統在共振及非共振作用時的影響是一致的。
  3. Through molecular design, a series of liquid crystalline copolyesters, which possibly possessed the auxetic behavior, were prepared by solution condensation reaction between 2, 5 - bis ( p - alkoxy benzoyloxy ) hydrobenzoquinone, 4, 4 ' - ( decanoxy ) dibenzoyl chloride and 4, 4 ' - dihydroxy - oc, co - diphenoxydecane

    經分子設計，通過2 ， 5 ?二（對烷氧基苯酰氧基）對苯二酚、 4 ， 4 』 ?二羥基? ， ?二苯氧基癸烷和4 ， 4 』 ? （癸二酰氧基）二苯甲酰氯之間的縮合反應合成了一系列具有負泊松比潛能的液晶共聚酯。
  4. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對當前國內外彈性地基梁法存在的缺陷，基於對軟土流變性的研究，採取了剪應力判斷彈塑性狀態，以改進和完善基坑工程彈性地基梁法，推導了彈性狀態下地基反力系數的近似解，提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法，編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 （ doubleplasticfoundationbeammethod （ version1 . 0 ） ） ，並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。
  5. 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。
  6. The fouling of monomer recovery system of qilu esbr plant was studied. it was con sidered that the fouling was principally caused b y the following four reasons, there existed the colopholic potassium containing c onjugated doublebonds in the disproportionated colopholic potassium, excessive co ntent of c16 - 18 compositions existed in the fatty acid, excessive content of com positions for which the demol condensation degree was above 5, the reaction conve rsion was higher than 72 percent. effective countermeasures were proposed

    介紹了齊魯引進乳聚丁苯橡膠裝置回收單元存在的設備堵掛問題，經分析認為歧化松香酸鉀中帶有含共軛雙鍵的松香酸鉀，脂肪酸中c16 18組分含量高， demol縮合度高於5的組分高，反應轉化率高於72 %是造成堵掛的4條主要原因，提出了對策。
  7. Abstract : unsaturated polyester with low shrinkage composied of anti - shrinking agent, thermoplastics, dispersion - stabilizer, a kind of graft copolymer made from styrene and saturated polyester, shaped like a comb for its molecular structure and upr in certain structure and some factors effecting on low shrinkage were introduced in this paper

    文摘:研究了當用熱塑性樹脂作為不飽和聚酯樹脂低收縮劑時，合成了以苯乙烯為主鏈，聚酯為枝鏈的梳狀接枝共聚物，作低收縮劑的分散穩定劑，配合相應組成的不飽和聚酯樹脂得到了具有低收縮特性的不飽和聚酯組成物。
  8. On the basis of discussing the developmellt of antistatic and amibacterial polyamide generally in past decades, the anistatic and anibacterial methods and technologies of synthetic fibers are suxnmarzed emphasisly in this paper a series of pcaneg block copolymers are synthesized by two steps

    採用先合成雙端羧基的遙爪預聚己內酰胺，再與聚乙二醇進行酯化、縮聚的方法，合成了pca peg （聚己內酰胺聚乙二醇）嵌段共聚物。
  9. There are three methods for preparing polylactide and its copolymers

    制備的方法有直接縮聚法、開環聚合法、共聚法。
  10. Six different molecular weigh polyethylene glycols were selected to prepare blend films with silk fibroin, five different molecular weight polymer - polyethylene glycol diglycidyl ether ( pego ) were synthesized and structures of them were characterized by 1h nmr, ir, gpc. a kind of silk fibroin membranes were prepared by blend the pego and silk fibroin

    選用六種不同分子量的聚乙二醇與絲素共混制膜，並選用其中五種合成了五種不同分子量的聚乙二醇縮水甘油醚（ pego ） ，以合成的pego為添加劑，研究了不同分子量、不同含量下制得的改性絲素膜的結構與性能。
  11. Plastics - heatshrinkable films of polyethylene, ethylene copolymers and their mixtures - determination of the shrinkage stress and contraction stress

    塑料.聚乙烯乙烯共聚物及其混合物的熱收縮薄膜.收縮應力的測定
  12. Plastics - heatshrinkable films of polyethylene, ethylene copolymers and their mixtures - determination of shrinkage stress and contraction stress

    塑料.聚乙烯乙烯共聚物及其混合物的熱可縮薄膜.收縮應力的測定
  13. In this thesis, the sls molding properties of some metal - base composite powders composed of metal powder mixed by several regularly used polymers " powder were studied, on the basis of which, a new sls composite material made by 316 stainless steel powder mixed by epoxy powder was developed and produced. the molding technics and adherent mechanism of the material in sls process was analyzed and studied, and the high temperature sintering technics of the green parts of the material was discussed as well

    本文主要針對快速成型的sls方法，研究比較了幾種常用的聚合物粉末添加到金屬粉末中所構成的金屬基復合粉末的成型性，並且研製開發了316不銹鋼粉末與環氧樹脂粉末共混復合粉末作為成型材料，對其sls過程的成型工藝、聚合物粘接機理以及型坯的高溫燒結工藝進行了研究論述，並進一步對型坯的高溫燒結過程、燒結中的收縮變形和燒結后的強度作了分析研究。
  14. Plastics - heatshrinkable films of polyethylene, ethylene copolymers and their mixtures - determination of shrinkage stress and contraction stress iso 14616 : 1997 ; german version en iso 14616 : 2004

    塑料.聚乙烯乙烯共聚物及其混合物的熱可縮薄膜.收
  15. Abstract : through copolycondensation method, a phenol - melamine - urea - formaldehyde resin was prepared. the discussion was concentrated on the preparation method of the resin and it ' s application condition in pressing exterior - type medium density fiberboard

    文摘:通過共縮聚的方法，制備了具有良好的耐水性能和膠合性能的苯酚-三聚氰胺-尿素-甲醛樹脂。著重討論了該樹脂的制備方法以及在壓制室外型中密度纖維板中的應用情況。
  16. This was due to three reasons : ( 1 ) baso4 particles were rigid inorganic particles, which could hinder the retraction of polymer molecules and decreased the elasticity. ( 2 ) a bad compatibility between baso4 and tpu, small interface adhesive force and the phase interface ready to separate. ( 3 ) during high content of baso4, the tenacity of filament mainly depended on tpu, so that the strength decreased with the content of tpu in filament down

    這是因為： baso _ 4屬于剛性粒子，阻礙tpu大分子鏈的回縮，降低了纖維的彈性； baso _ 4與tpu相容性極差，共混時容易形成相界面，界面結合力小，受外力作用時相與相間容易發生分離，使纖維的力學性能下降； baso _ 4在高含量下，纖維強度主要由聚合物的力學性能決定，隨著baso4含量的增加， tpu所佔比例下降，從而在宏觀上表現出纖維的力學性能下降。
  17. 2. cnts / ptfe composite materials were prepared by using physical mixing method, purified cnts and ptfe latex were as original materials

    2 .採用物理共混的方法將碳納米管與聚四氟乙烯濃縮分散液相混合制備了碳納米管/聚四氟乙烯復合材料。
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