鏈烯基 的英文怎麼說

中文拼音 [liàn]
鏈烯基 英文
alkenyl
  • : Ⅰ名詞1. (鏈子) chain Ⅱ動詞(用鏈栓住) chain; enchain Ⅲ量詞(計量海洋上距離的長度單位) cable length
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  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-甲酰氧三甲氧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中有機硅節的含量;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酸酯共聚物具有比純丙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: ?甲酰氧三乙氧硅烷和?甲酰氧三異丙氧硅烷;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酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  2. 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酸接枝在hdpe上提高了後者的極性,而且能與mmt上的活性團進行化學反應,從而提高了pe進入mmt層間的可能性,使mmt在體中達到納米級分散。
  3. The process provides a facile way of producing hydrocarbl perchlorate from alkenes, cycloalkenes, aralkenes, alkanols, cycloakanols and aralkanols.

    本文介紹了從、環、芳烷醇、環烷醇、芳烷醇來制備過氯酸烴酯的方便方法。
  4. The process provides a facile way of producing hydrocarbyl perchlorates, from alkenes, cycloalkenes, aralkenes, alkanols, cycloalknols and aralkanols.

    本工藝程序提供了從、環、芳烷醇、環烷醇、芳烷醇來制備過氯酸烴酯的方便方法。
  5. As to the high - density polyethylene, two strategies were performed : ( 1 ) after being modified by grafting polar groups on its backbone, polyethylene and organic montmorillonite were melt mixed directly, which could obtain the polyethylene / montmorillonite nanocomposites. the effect of groups grafted on the backbone on the efficiency of intercalation was investigated in this paper ; ( 2 ) choosing the grafters obtained in this experiment as the compatilizers, polyethylene / montmorillonite nanocomposites had also been prepared by melt mixing the polyethylene, grafter and organic montmorillonite. the difference of grafters and sequence of mixing on the intercalation result had also been analyzed

    對于高密度聚乙,採用以下兩種思路進行: ( 1 )對聚乙首先進行功能化改性,使聚乙分子上接枝上不同的極性團,將改性后的聚乙再同有機蒙脫土直接熔融復合,成功的制備了聚乙蒙脫土納米復合材料,並考察了接枝到聚乙團的不同對最終插層效果的影響; ( 2 )選用制得的接枝物作為相容劑,將聚乙,接枝物,有機蒙脫土三者熔融復合,也可以得到聚乙蒙脫土納米復合材料,並對選用不同的接枝物作為相容劑以及復合順序對最終插層效果的影響加以分析。
  6. The formed long and linear chain alkyl benzene changes into benzene methyl and alkene through - scission and monomolecular homolysis, and then benzene methyl shifts to the position of - carbon in the long chain alkyl benzene through h - transfers

    已形成的長直苯通過分裂、單分子均裂形成苯甲烴,苯甲通過氫轉移到長苯的碳上,烴再與碳結合形成帶支的烷苯。
  7. By sds - page and immuno - blotting, the monoclonal antibody of anti - chick brain cytoplasmic dynein intermediate chain could recognize the 67 kda protein in purified golgi apparatus fraction from lily pollen. subsequently by immuno - gold labeling and transmission electron microscopy, we found that the dynein intermediate chain - like protein bound mainly to the membranes of golgi - associated vesicles. statistics analysis of dynein intermediate chain - like protein on golgi - associated vesciles showed the nearly equal chance of distribution on either cis - or trans - golgi - associated vesciles

    對分離純化的百合花粉及花粉管中高爾體組分進行sds -聚丙酰胺凝膠電泳和免疫印跡發現,抗雞腦細胞質力蛋白中間單克隆抗體在67kda處有較強的免疫交叉反應;進而通過免疫金標結合電子顯微鏡觀察發現,大多數類細胞質力蛋白中間存在於高爾體附近的囊泡膜上;統計結果表明,類細胞質力蛋白中間在順面和反面高爾體附近囊泡膜上的分佈機率大致相等。
  8. The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.

    該染料甲川上的碳原子與氨的氮原子相連,而該氮原子又與染料的甲川形成胺。
  9. In part 3, the in - situ copolymerization of ethylene was investigated by the combinations of the cobalt - based catalyst and the metallocene to prepare short - branched polyethylene. the major oligomers catalyzed by the cobalt - based catalyst 5, 6 and 7 werel - butene, and the minor were 1 - hexene. the comonomer effects were also observed

    在雙亞胺吡啶鈷配合物與茂金屬復配催化乙原位共聚制備短支支化聚乙中,合成了3種雙亞胺吡啶鈷配合物,研究了反應條件對其催化乙齊聚活性和所得產物碳數分佈的影響。
  10. A kind of novel pu and poly ( acrylate - co - methyl methacrylate ) s with nonlinear optical conjugated group were synthesized. their properties were studied. the main contents of this dissertation consist of the following points : 1

    本論文合成了一類含非線性生色團的長側的聚氨酯和一類聚丙酸酯及其與甲酸甲酯的共聚物,並對它們的非線性光學性能進行了研究。
  11. The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references

    摘要綜述了端羥、端羧、端異氰酸酯、端氨、端巰等活性端,以及聚丁二、聚氨酯、聚苯乙等不同主結構的液體橡膠的合成技術。
  12. Synthesis of main chain helical poly 2 - a - methylacryloxy - 2 - methoxy - 1, 1 - binaphthyl

    螺旋聚甲酸聯萘酚單甲醚酯的合成
  13. In microcosmic side, the different molecular weight of pea esterify time was reduced along with the augmentation of molecular weight were approved. the mixture of pea series esterify production, aa, mma were processed tercopolymer by concatenation drop adding fashion during the nitrogen gas protect

    在氮氣保護條件下,利用獲得的pea系列酯化物,與丙酸、甲酸甲酯的混合物通過連續滴加方式進行三元共聚,從轉移劑、 pea : aa : mma之間的摩爾百分比和共聚時間等方面進行了系統的研究。
  14. The grafted membranes were capable of rejecting an anionic dyestuff. in common with other polyelectrolytes, the conformation of grafted ampsa polymeric chains is sensitive to environmental factors such as ph and ionic strength ( i )

    聚丙酰胺丙磺酸為高分子電解質,接枝在膜表面后高分子與溶質分子相互作用,可使接枝構象發生變化,從而改變膜孔徑的大小,使膜具有環境響應。
  15. Based on the liquid crystal polymer theory, two kinds of polyacrylates were synthesized by choosing biphenyl group as rigid nucleus of mesophase group and six methylene chain as flexible spacing group. an important chiral additive was synthesized by choosing l ( - ) ~ 2 - octanol as chiral group. mixture was made of the additive and liquid crystalline polymer, which structure was identified by ftit, " ii nmr, dsc and pom

    本論文根據液晶分子結構理論,選擇聯苯作為介晶元的剛性核、柔性的六亞甲脂肪為柔性間隔,與丙酸反應,合成了兩種丙酸酯型聚合物;以拆分的l ( - ) 2 -辛醇為手性團合成了一種液晶手性添加劑,並將所合成的手性添加劑與液晶聚合物共混,採用ftit 、 ~ 1h - nmr 、 dsc 、 pom等手段對合成的化合物、共混物進行了表徵。
  16. When the graft ratio was high, the hydrophilic side chain was long and the molecular mass of the main chain of the hydrophilic matrix was great, the diffusion of pp - g - peg in pp blends would be poor, and the diffusion coefficient would also be small

    接枝率越高、親水性側的長度越長,親體主摩爾質量越大,接枝共聚物在聚丙共混體系中的遷移擴散性能越差,擴散系數越小。
  17. Using the method of " purpose building ", a series new monomer - polyoxyalkyene macromer ( pea ) were synthesized by poly - oxyethlene side chains with synthesis technology in macromer

    利用較新的大分子單體合成技術,合成出一系列結構確定且具有不同聚氧烷長度的新型單體? ?聚氧乙單丙酸酯pea 。
  18. The study of in - situ construction of cytocompatible surface on pdl - la matrix via amphiphile - amino acid ( rgd ) hybrid self - segregation - the amphiphilic diblock copolymer, poly ( dl - lactide ) - poly ( ethylene oxide ) ( pla - peo ) copolymer, containing hydrophobic pla block and hydrophilic peo block was synthesized via coupling method in this dissertation. cell - adhesion - promoting amino acids and integrin receptor peptide rgd were then immobilized at the end of peo chain of pla - peo copolymer via hydroxyl group activation technique. the solvent blending and casting method was then used to obtain the amphiphile modified pdl - la membranes

    兩親共聚物-氨酸( rgd )雜化體原位自修飾構建聚乳酸細胞相容性表面的研究一本論文首先設計併合成了一類含疏水聚乳酸( pla )段和親水聚氧乙( peo )段的兩親嵌段共聚物材料( pla - peo ) ,利用peo端的活性官能團羥固定了促細胞粘附的氨酸及整合素配體多肽片段rgd 。
  19. Controlled living radical polymerization by degenerative transfer with iodoacetonitrile

    酸長酯的等離子體引發聚合
  20. It is the especial congregate structure of polymer matrix that is necessary for the forming of three - dimensional interpenetrate network between the polymer and copper. the mma unites lead to the advantage of improving fiexibity of the film, destroying the formal arrangement of macromolecule chain in polymer and decreasing the degree of crystallization. the ita unites help the solvolyzed copper ion transfer in the film and benefite the forming and establishment of the networks of polymer matrix

    聚合物體特殊的聚集態結構是互穿立體網路形成的必要條件,皿m的加入有利於破壞丙睹大分子的規整性,使結晶度降低,提高聚合物的柔韌性,含親水團的單體( ita 、 as )存在有利於降低離子遷移的界面能,提供溶劑化銅離子遷移的途徑以及聚合物體網路結構的形成和穩定。
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