emulsion polymerization 中文意思是什麼

emulsion polymerization 解釋
乳化聚合
  • emulsion : n. 乳狀液，乳膠；【醫學】乳劑。 sensitive emulsion 【攝影】感光乳劑。
  • polymerization : 聚合酌
  1. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯（ mmal苯乙烯舊t ）以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素，結果表明： ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  2. Many methods are used to improve properties and performance of emulsion adhesives, including changing proportion of monomers or initiator system, improving emulsion polymerization, mixing or chemical combination with other polymers

    討論了通過改變單體組成或引發體系、改進聚合工藝、通過共混或化學結合引人其他聚合物的方式改進乳液型膠粘劑性能的方法。
  3. Encapsulated tetradecane and paraffin wax particles were prepared by complex coacervation as well as emulsifier - free emulsion polymerization

    通過復凝聚法、無皂乳液聚合法等微膠囊化方法，制得了十四烷、 20石蠟等低溫相變材料的微膠囊。
  4. 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。
  5. Emulsifier free emulsion polymerization

    無乳化劑乳液聚合
  6. The results showed that the acr emulsoid particle size and its distribution can be adjusted by varying the amount of seed emulsion used in the pre - emulsionized seed - emulsion polymerization, and the acr emulsoid particles have core - shell structure obviously

    結果表明，採用預乳化種子乳液聚合法制備acr乳液，可以有效地控制乳膠粒徑及分佈；且所合成的acr乳膠粒子具有明顯的核殼結構。
  7. ( 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 。
  8. Poly ( methacrylic acid ) ( maa ) and poly ( acrylic acid ) ( aa ) microgels have been prepared as templates by employing inverse emulsion polymerization techniques. four types of spherical organic - inorganic nano - composites have been prepared by introduction of precipitation agent into the pmaa / paa microgels containing appropriate rate metal ions

    本課題開展了兩個模板體系的研究，即分別以丙烯酸（ aa ）和甲基丙烯酸（ maa ）為聚合單體，利用反相乳液聚合方法合成了幾種包埋有不同金屬離子的高分子微凝膠。
  9. The acrylate copolymers ( acr ) with core - shell structure were synthesized by seed emulsion polymerization used with butyl acrylate, styrene, methylmethacrylate as comonomers

    採用預乳化種子乳液聚合方法，合成了一種具有核殼結構的丙烯酸酯共聚物（ acr ） 。
  10. The microgels of close monodispersity with different volume and cross - linking density can be prepared by using an inverse emulsion polymerization method. both artificial and natural materials, including zeolites, membranes, vesicles, liquid crystal, microemulsion, micelles, biopolymers, etc., have been used as template. the three - dimentional network structure and spherical morphology of polymeric microgels may guarantee the homogeneous of the structure of the composite, the size and the morphology of the various organic - inorganic composites with unusual structures

    在反相乳液聚合條件下，通過控制反應條件可以得到體積不同、交聯度不同的近乎單分散的微凝膠，如同分子篩、單（多）分子膜、囊泡、液晶、微乳液、膠束、生物大分子等可作為微納米無機材料合成模板一樣，高分子微凝膠所特有的三維網路結構和球形形貌有可能對在其中進行的無機結晶或沉積反應施加限域和導向作用，從而控制所生成無機材料的形貌和大小，得到各種具有特異結構的無機-有機復合材料。
  11. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯（ ba ）間歇乳液聚合，制備了pba納米粒子，在11min內轉化率達到90 ，分子量達5 . 24 10 ~ 6 ，隨反應時間的延長而降低，表明超聲輻照引發乳液聚合是一個動態的復雜過程，單體的聚合和聚合物的降解同時發生。
  12. In this paper, emulsion polymerization as a way to prepare unorganic - polymer complex nanoparticles with core - shell structure is introduced. meanwhile, the formation mechanism and characterization technique are reviewed

    摘要簡要介紹了一種制備核殼式無機高分子納米復合粒子的方法乳液聚合，概述了核殼式無機高分子納米復合粒子的形成機理及其表徵技術。
  13. The grafting degree and grafting efficiency were decreased. the conversion of semi - contionious emulsion polymerization was decreased as the addition of mmt was increased because of the effect of monomer diffusion and decreasing efficiency of intiating agent

    半連續乳液聚合法制備abs mmt時，蒙脫土的存在使聚合轉化率顯著下降，並且mmt粘土含量越高，對乳液共聚合造成的不利影響越大。
  14. Some amino acids and drugs imprinted spheres ( mipm ) were prepared via seeds swelling and suspension polymerization, suspension polymerization and emulsion polymerization. the physical and chemical properties of the polymers were analyzed by scanning electron microscope, thermogravimetric analyzer, electron spectrum and solid phase extraction ( microextraction ) technology. the imprinting and recognizing principle of mipm in water was studied through bi - templates imprinting method as well

    分別採用種子溶脹懸浮聚合法、懸浮聚合法和乳液聚合法，在水相中體系制備得到了一系列氨基酸和藥物印跡的分子印跡聚合物微球（ mipm ） ；採用掃描電鏡、熱失重分析、電子能譜分析、固相（微）萃取等技術對制備所得的mipm進行了分析和表徵；採用雙模板印跡的方法對水相中mipm的印跡和識別機理進行了探討。
  15. The acr / montmorillonite nanocomposites have been synthesized by insitu emulsion polymerization for the first time

    首次提出了基於蒙脫土吸水膨脹的原位乳液聚合插層機理。
  16. The intercalation mechanism of insitu emulsion polymerization has been proposed for the first time. then acr / montmorillonite nanocomposites blended with pvc, the tem and xrd indicated that the montmorillonite were dispersed with nanometer in pvc matrix. the flexural strength and flexure modulus of composites increased with the montmorillonite content, and the impact strength of composites a little increased

    且隨著acr蒙脫土納米復合材料中蒙脫土用量的增加，雖然pvc acr蒙脫土納米復合材料的拉伸性能變化不大，但抗彎強度和彎曲模量明顯增大，而且其缺口沖擊強度也有一定幅度的增大，具有工業實用價值。
  17. The main contents are as follows : ( 1 ) a kind of polymer particles encapsulated naphthaleneboronic acid ( nba ) was prepared via an oil - in - water emulsion polymerization procedure

    主要內容如下: （ 1 ）利用水包油乳液聚合法制備包裹萘硼酸（ nba ）的聚合物顆粒。
  18. Effects of reactive surfactants on emulsion polymerization

    液膜分離中的穩定作用與破乳方法研究進展
  19. With 2, 2 " - azobis - 2 ( amidineopropane ) dihydrochloride ( v5o ) and ammonium persulphate ( aps ) being used as initiator, the cationic and anionic nanoparticles polystyrene ( ps ) latex were synthesized via emulsion polymerization respectively

    通過使用過硫酸銨和偶氮二異丁脒鹽酸鹽作引發劑，利用乳液聚合法制備了粒徑約為100nm ，表面分別為負電性和正電性的ps （聚苯乙烯）乳膠粒。
  20. 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。
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