接枝反應 的英文怎麼說

中文拼音 [jiēzhīfǎnyīng]
接枝反應 英文
grafting reaction
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 枝 : Ⅰ名詞1. （枝子） branch; twig 2. （姓氏） a surname Ⅱ量詞1. （用於帶枝子的花朵） 2. （用於桿狀物）
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  1. Grafting copolymerization of bamboo fiber with acrylic acid

    竹纖維與丙烯酸接枝共聚反應的研究
  2. Differential thermal analysis ( dsc ) indicates that acid - anhydride reacts with amidogen in nylon 11 to form chemical bond and boost up bonding strength of interface

    Dsc分析表明，接枝物中的酸酐基團與尼龍11中的氨基發生反應，形成化學鍵，使得界面粘接力增強，從而使沖擊強度得到提高。
  3. Consequently, with increasing mmt content, the tensile strength and young ' s modulus of hdpe - g - aa / mmt nanocomposites increased, while that of hdpe / mmt composites decreased. moreover, the addition of mmt to hdpe - g - aa decreased the melting temperature and the degree of crystallization of the matrix. these changes may be attributed to high interfacial adhesion between hdpe - g - aa matrix and exfoliated clay, which reduces the mobility of crystallizable pe chain segments, and subsequently reduces the crystallization ability

    研究結果表明： mmt在hdpe中不能達到納米級分散，而在hdpe - g - aa中， mmt能以插層型利剝離型的結構存在，這主要是由於極性的丙烯酸接枝在hdpe上提高了後者的極性，而且能與mmt上的活性基團進行化學反應，從而提高了pe鏈進入mmt層間的可能性，使mmt在基體中達到納米級分散。
  4. Review of research on preparation of graft copolymer by reactive extrusion

    反應擠出制備接枝共聚物的研究進展
  5. Water - borne epoxy resin has been synthesized by grafting route, epoxy resin, methacrylic acid, butyl acrylic as primal materials. the mechanism of the preparation, emulsification and curing of the resin were described, and the whole course was analyzed. the correlative factors on each step reaction were discussed in detail

    探討了以環氧樹脂、甲基丙烯酸和丙烯酸丁酯為原料，由接枝的路線合成水可分散性環氧樹脂的制備、乳化及固化成膜一系列的反應機理，對過程進行了分析，並討論了有關因素對各步反應的影響。
  6. Using the semi - batch synthesis techniques, a grafting reaction mechanism is adopted to prepare a core - shell composite latex of siloxane / acrylate based copolymer

    利用接枝反應和種子溶脹半連續滴加技術合成了聚有機硅氧烷聚丙烯酸酯復合乳液。
  7. Using water - soluble carbodiimide as condensation agent, biomacromolecules such as gelatin, collagen and chitosan were covalently grafted on the plla - g - pmaa membranes. solution of the biomacromolecules was further coated on the above membranes to increase the surface density of the biomacromolecules. this technology was designated " grafting and coating " method

    為了將生物大分子化學接枝于plla膜表面，首先在plla膜表面接枝pmaa ，將羧基引入plla表面，利用水溶性碳化二亞胺edac作為縮合劑，與含有氨基的生物大分子反應，可將生物大分子如明膠、膠原和殼聚糖化學接枝在plla膜表面。
  8. Preparation, structure and properties of hdpe ~ g ~ aa / mmt nanocomposites melt grafting reaction of hdpe with aa was performed in thermohaake rheomix and hdpe - g - aa with high grafting degree and high grafting efficiency was prepared. the change of torque indicated that the graft copolymerization was existed during melt compounding. the extent of grafting was analyzed by ftir and element analysis

    在hdpe中只加過氧化二異丙苯（ dcp ）時，由於發生交聯反應而使平衡扭矩明顯增加，熔點和結晶度降低，加入aa后， aa與hdpe的接枝和hdpe自身的交聯並存，前者對後者有抑制作用，從而使扭矩下降，熔點和結晶度部分恢復。
  9. Surface grafting polymerization of acrylonitrile onto polypropylene film

    丙烯腈表面接枝聚合反應研究
  10. In order to reduce the membrane ' s cost, we prepared the membrane by simultaneous radiation grafting of styrene onto teflon - polytetrafluorethylene films and subsequent sulfonated by the chlorosulfonic acid introducing the activity sulfonic acid grape into the grafting side chains of the polymer films

    在實驗中採用高能輻射技術，先將苯乙烯單體接枝到聚四氟乙烯聚合物基體上，后經氯磺酸磺化反應引入磺酸基團，合成了滿足燃料電池性能要求的質子交換膜。
  11. This article confirmed the grafting efficiency of starch grafted to acrylic acid and the structure of starch and its grafted matter through the separation, purification and analysis tests to the grafted copolymer and the grafted forked - chain matter produced from the process of this reaction ; and deduced the formula of the velocity of such reaction mentioned above with a calculated result of the apparent activation energy in this reaction by the curve showing the relationship among the consistency of starch, monomer and initiator and the velocity of the grafting copolymerization

    摘要對澱粉接枝丙烯酸所得接枝共聚物及接枝側鏈物進行分離提純和分析測試，確定了其接枝效率並表徵了澱粉及其接枝物的形態結構；通過分別測定接枝共聚反應速率與澱粉、單體、引發劑濃度的關系曲線，確定了該接枝共聚反應的速率關系式；推算出了反應的表觀活化能。
  12. Secondly, the grafted membranes were prepared by grafting 2 - acrylamido - 2 - methyl propane sulfonic acid ( amps ) on pretreated membranes using cetric ammonium nitrate ( can ) as an initiator in the aqueous medium. the surface compositions of the grafted membranes were determined by fourier transform adsorption spectrum ( ftir ) and x - ray photoelectron spectroscopy ( xps ). and the morphology of the grafted membranes was studied by scanning electron microscopy ( sem ) and atomic force microscopy ( afm )

    然後，選用硝酸鈰銨作為引發劑， 2 -丙烯酰胺- 2 -甲基丙磺酸（ amps ）為接枝單體，在水溶液體系中進行接枝共聚反應制備pvdf ? g ? amps中空纖維膜，並利用傅立葉紅外光譜（ ftir ） 、 x光電子能譜（ xps ） 、掃描電子顯微鏡（ sem ）及原子力顯微鏡（ afm ）等檢測手段證實了接枝共聚物的存在。
  13. ( 1 ) in chapter 5, palladiumphthalocyanine and palladium 4, 4 ', 4 ", 4 ' " - tetranitrophthalo - cyanine were synthesized according to condensation method with high yield and high product purity. the structures of products were characterized by element analysis and ir spectra

    為此，分別考察了不同引發劑及用量對pvp甲殼糖接枝共聚物的反應性能、接枝分子量、接枝效率以及產物的基本性狀等的影響。
  14. Reaction mechanism and characterization of a super absorbent resin of cellulose am aa

    接枝高吸水樹脂的反應機理及表徵
  15. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射（ xrd ）和循環伏安（ cv ）的方法，從實驗電池的放電特性、充放電循環特性、自放電特性，不同高鐵酸鹽的結構特性和電化學特性幾個方面，對4種金屬負極材料（ al 、 fe 、 zn 、 cd ） 、 6種隔膜材料（復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素） 、 4種集流體材料（泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網）在堿性高鐵電池中的適用性進行了比較研究；對2種雜質組分（ zno 、 fe （ oh ） _ 3 ）和2類不同貯存方式（干、濕）對實驗電池自放電特性的影響進行了比較研究；對3種方法（高溫固相反應、次氯酸鹽氧化、直流電解）所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  16. Yoshihiro takeuchi ， kazuhiro fujiki ， norio tsubokawa. preparation of amphiphilic carbon black by postgrafting of polyethyleneimine to grafted polymer chains on the surface [ j ]. polymer bulletin ， 1998 ， 41 ： 85 ? 90

    坪川紀夫著，田水譯.疏水性高分子與炭黑表面親水性接枝高分子的二次接枝反應及該炭黑的分散性[ j ] .炭黑工業， 2001 （ 6 ） ： 39 ? 44
  17. Abstract : the photografting polymerization of n - vinyl pyrrolidone ( nvp ) on the surface of ldpe film with photo grafting method was studied and ldpe - g - nvp was chara cterized by ftir qualitatively

    文摘:採用一步法和二步法研究了聚乙烯薄膜表面的n -乙烯基吡咯烷酮光接枝反應，並用傅立葉變換紅外光譜儀定性表徵了反應結果。
  18. The content of styrene was found to be dependent on the investigated grafting conditions, of which the dose rate and monomer concentration were the major conditions, and the dependence of the initial rate of grafting on the dose rate and the monomer concentration was found to be of 0. 4286 and 1. 1662 orders, respectively. the results indicate that the grafting reaction is competitive and the copolymerization and the graft - copolymerization are existing at the same time. the grafting proceeds by the so - called front mechanism in which the grafting starts at the surface of the films and moves toward the middle of the film by successive diffusion of the styrene through the grafted layers

    我們對輻射接枝反應中的各個因素如：單體濃度、輻射劑量率、輻射劑量以及反應時間進行了研究分析，結果表明：單體濃度和劑量率是反應的兩個主要影響因素，它們對反應速率的影響指數分別為1 . 1662和0 . 4269 ；反應的動力學方程為： rg k [ d ] ~ （ 0 . 4269 ） [ m ] ~ （ 1 . 1662 ） ；認為接枝反應是一競爭反應，單體的均聚反應和在聚合物上的接枝反應同時存在，單體濃度的高低決定著競爭反應的方向；輻射接枝反應是從聚合物表面開始的，隨著溶劑的溶脹和單體的擴散最後在整個膜體中形成接枝產物。
  19. Thus mechanical properties, heat resistance properties and solvent resistance properties of pu are greatly enhanced. crystal forms of composite materials, surfacial reactivity and adsorption assemble properties of zeolite are discussed in this paper by means of xrd, ftir and tg etc. the test results of xrd prove that mmt can be exfoliated into nanocomposites in pu / mmt, while zeolite keep its original crystal structure in pu / zeolite. the spectras of ftir prove that tdi can graft on the surface of the zeolite

    Xrd測試結果證實了有機蒙脫土在聚氨酷體系中能夠剝離成納米粒子，而聚氨醋/沸石分子篩復合材料中分子篩仍保持原來的晶型結構; ftir譜圖驗證了異氰酸酷（ tdi ）可太原理工大學碩士學位論文摘要與沸石分子篩表面的硅經基進行接枝反應形成穩定的化學鍵;而tg分析結果則進一步證實了分子篩的穿孔機理。
  20. In the system the effects of photoinitiator and monomer concentration on grafting are not distinct, while photo - reduction time, uv irradiated polymerization time and uv light intensity have more effects on grafting yield

    實驗發現，光敏劑濃度對接枝率有一定影響；光還原時間增加，接枝率明顯增加；聚合前期接枝率提高較快，反應後期增加緩慢；紫外光照射強度的改變會影響接枝率。
分享友人
分享到 Line

分享到臉書