聚合微粒 的英文怎麼說
中文拼音 [jùgěwéilì]
聚合微粒
英文
glomerogranulitic-
Nanoparticles, alkylated nanoparticles and composited nanoparticles have different influence on the microcrystalline size of crystallizable polymer ( i. e., pp and pe )
通過xrd測試我們發現,納米粒子、烷基化納米粒子和復合納米粒子對結晶型聚合物( pe和pp )的微晶尺寸有著不同的作用。The preparation of doxorubicin - loaded magnetic microsphere by inverse emusion polymerization
反相乳液聚合制備阿黴素磁性抗癌毫微粒2. in order to improve the luminescence properties, cds nanoparticles entrapped in an acrylic acid - hydroxypropyl acrylate copolymer ( ac - hac ) network were synthesized by in - situ synthesis method
用原位合成法,以具有強配位能力的聚丙烯酸?丙烯酸羥丙酯( ac - hac )為基體在水溶液中合成了cds納米微粒。The disperse degree of the ceramic can greatly affect uniformity of the composite, which limit the poling voltage and affect the piezoelectricity. in this paper, the relationships among constitutes, microstructures, dielectric and piezoelectric properties were calculated by employing the banno unit cell mode ; pzt ceramic were synthesized by the hydrothermal method and the appropriate solution was selected according the adsorption of pvdf on the ceramic particle surface ; then, relationships between the disperse degree and the fabrication process were studied. base on these, the pzt / pvdf composites intermingled some pan were prepared and the microstructures were investigated
論文首先利用bannounitcell模型,計算了pzt pvdf壓電復合材料的組成、結構、與其壓電和介電等性能之間的關系;針對壓電復合材料存在的均勻分散性差的缺點,選用水熱法制備的粒度均勻的pzt陶瓷粉末,並採用溶液混和法與聚合物pvdf進行分散復合,重點研究了不同工藝條件下陶瓷的均勻分散性及其與材料微觀結構之間的關系。The feasibility of different wood particles as the reinforcing or the filling materials for foamed pvc to produce microcellularly foamed composites by extrusion was investigated
摘要本研究主要在檢討以不同大小之木材粒片作為發泡聚氯乙烯聚合物之增強或填充材料,以押擠成形法模製出微細發泡復合物之可行性。As predicted theoretically, the ps polymer spreaded over the surface of the titania particles to form composite particles with core - shell structure. the influence of ph value and non - ion surfactant in heterocoagulation was discussed. the property of the coated particles was characterized by sem, and zeta potential, particle size distribution of the particles before and after encapsulation was obtained by laser particle size analyzer
根據機械力化學的原理,採用自行制備的微米級ps和pmma (聚甲基丙稀酸甲酯)高聚物微球、金屬粒子、納米級的tio _ 2 、爐料為原料粒子,通過採用自行研製的乾式沖擊設備和lg攪拌磨製得以高聚物微球、金屬粒子為核,納米tio _ 2 、碳黑粒子等為包覆粒子的具有不同特殊功能的納米微米復合粒子。The mechanical modifying equipment was used to prepare compounded micro - spheres from pmma particles and ps particles with metal particles and tio2 nano - particles. the sem was used to observe the images of particles and x - ray photoelectron spectroscopy ( xps ) is used to obtain surface spectrum. herein the tio2 nano - particles can be dispersed on larger polymer particles and their surface morphology is different by using different polymer particles
使用掃描電鏡和光電子能譜對制得的復合微粒子進行表徵,發現該方法可以使納米tio _ 2粒子呈很好的分散狀態復合在聚合物微球及金屬粒子上,而且隨著聚合物微球原料的不同,納米tio _ 2粒子能在高聚物的表面的復合狀態也不同。The urea - formaldehyde ( uf ) polymer / sio2 composite microspheres were prepared by polymerization - induced colloid aggregation ( pica ) method. the formation mechanism of composite microspheres is attributed to the fact that that urea and formaldehyde firstly undergo acid - catalyzed polymerization to form oligomers, and then the sol particles are adsorbed on the chain of oligomers by wan der walls force and hydrogen bonding. when the oligomers reach the critical chain length, they separate from solution due to phase separation
對復合微球形成機理的研究表明,尿素和甲醛在酸性條件下自身聚合可以形成高分子微球,在sio _ 2酸性溶膠中發生聚和反應時,隨著反應的進行,齊聚物不斷生成, sio _ 2膠體顆粒逐漸吸附在齊聚物分子鏈上,當聚合物鏈達到沉澱臨界鏈長時,由於相分離作用,從前驅物溶液中析出,同時sio _ 2膠體顆粒均勻的分佈在脲醛聚合物網路中,隨之沉澱出來,形成脲醛sio _ 2復合微球。During making microcapsule by interfacial polymerization process, the effects of the agitation speed, dispersant dosage on the size and distribution of microcapsule particle diameter were investigated
摘要研究了界面聚合法制備微膠囊阻燃劑時,分散劑用量、攪拌速度等因素對微膠囊粒徑大小及分佈的影響規律。A novel polyester thioure microcapsule was prepared using interracial polymerization with 1, 4 - benzenedicarbonyl diisothiocyanate and o - phenylenediamine. the influence of emulsifying agent, stirring speed and drug content on microcapsule performance were investigated
摘要以對苯二甲酰異硫氰酸酯與鄰苯二胺為原料,通過界面聚合法合成了一種新型聚硫脲微膠囊,考察了攪拌速率、乳化劑用量、投藥量等因素對微膠囊粒徑及釋放性能的影響。The second strategy include that a metallic nickel ( ni ) core was encapsulated with a polymeric polystyrene ( pst ), and then coated with an outlayer of dielectric titania to form ni / pst / tio2 composite particles. the morphology and structure of the particles were characterized by tem, sem, tg - dta, xrd, and ft - ir
其次,以聚苯乙烯包覆金屬鎳粉,形成了ni pst磁性聚合物微球,然後在該微球外包覆二氧化鈦,制得了粒徑均勻、形態良好的鎳聚苯乙烯二氧化鈦( ni pst tio _ 2 )無機-有機結構的多層核-殼復合微球。Tem was used to consecutively investigate the size and appearance of dibasic lead phosphite in the reaction process. it found that nanocrystal grain of lead oxide phosphite hydrate had favorite direction in the mlps method, many nanocrystal grain in near area would aggregate and assembled as nanowire, the diameter of the nanowire was about a crystal grain size and the length of nanowire could reach hundreds of nanometers, then they would gather to needle or bar like particles
利用tem對二鹽基亞磷酸鉛在反應過程中粒子的大小、形貌進行跟蹤觀察,並記錄下三個時間下的微粒照片,發現用微液相合成法制備的二鹽基亞磷酸鉛晶粒在生長團聚時存在取向規律,同一區域的晶粒會長成一條納米線,直徑有一個晶粒的大小,長度可以達到幾百nm 。The homopolymer white emulsion, which is a emulsified adhesive, is the metastable state of polymer particles after dispersing in water. it has stable adhesion, high adhesive strength, strong initial adherence, and quick drying speed. the emulsion is easy to dilute and hard to burn
均聚白乳膠,系水乳型粘合劑,是聚合物微粒分散於水中的亞穩定體系,具有粘接性能好粘接強度高,初粘力大快乾無毒無異味無溶劑可稀釋不易燃等特點。Carbonyl iron particles and iron - epoxy resin composite particles, which both mrs and microwave absorber are based on, were prepared by method of dropping fe ( co ) 5 to dmf in constant temperatures and of heating the solution of fe ( co ) 5 / dmf stage by stage, combining in situ composite technique
本論文採用恆溫滴加法和逐步升溫液相法熱分解合成了羰基鐵粒子,並結合原位聚合復合技術制備了羰基鐵-環氧樹脂復合粒子,然後用它們組成了磁流變液和微波吸收材料。In this study, it has been put forward that taking reactive nanometer magnetic fe304 particles as magnetic nucleus, and the copolymer of styrene ( st ) ? crylic acid ( aa ) as macromolecular shell, we could synthesize, magnetic polymer composite microspheres containing carboxyl groups on their surface, then microspheres are activated by thionylchloride, the surface of such magnetic composite microspheres thus produced had reactive acid chloride groups which then react with the free amino groups of the free soluble enzymes to give peptide bonds ( ? o ? h ?,
本研究首次提出了以納米級磁性fe _ 3o _ 4粒子為核心,苯乙烯( st ) ?丙烯酸( aa )共聚物為高分子殼層,合成了表面帶羧基的磁性高分子復合微球,然後將這種微球用二氯亞碸進行活化處理,在其表面形成了反應性酰氯基團,該基團可以與游離酶的氨基形成肽鍵,從而將游離酶固定化。In order to solve the problem of conglomeration of the nanoparticle and make the nanoparticle disperse evenly in the coatings. in this way, we could succeed in improving the effect of modification. we originally put forward the in - situ sythesising nanoparticle method to modify coatings. through this method, we made use of the technology of the wet chemical method and added the precursor of nanoparticle during the preparation of coatings
在此基礎上,為解決納米粉體的團聚問題,使納米粒子在塗料中有效分散與附聚,以實現納米粒子改性的有效性,原創性地提出了原位生成納米粒子改性塗料制備工藝的新思路:利用濕化學方法制備納米材料的技術,在常規塗料制備的過程中加入所需引入納米粒子的先驅物,直接在顏填料微粒的表面原位合成相應的納米粒子。The work mainly focused on the effect of surface treatment method of magnetic nanoparticles on the final particle size, size distribution and some magnetic properties of the composite microspheres
. .巴日目呂合法制備磁性復合微球的過程中,磁性無機粒子的凝聚狀態及表面特性對磁性復合微球的成功制備影響很大。2 with dispersion - polymerization, taking above reactive nanometer magnetic fe304particles as nucleus, and the copolymer of styrene ( st ) ? crylic acid ( aa ) as macromolecular shell, we could synthesize, magnetic polymer composite microspheres containing carboxyl groups on their surface
2採用分散聚合法,以上述反應型納米磁性fe _ 3o _ 4粒子為核心,苯乙烯( st ) ?丙烯酸( aa )共聚物為高分子殼層,合成了表面帶羧基的磁性高分子復合微球。The polystyrene particles with 2. 8 micrometer mean diameter were prepared by dispersion polymerization and hollow porous micro - sphere were prepared by extraction after seeding emulsion polymerization. particles with multi - hollow structure were obtained and characterized by sem, additionally the mechanism and factor about formation of porous structure were also discussed. to prepare the biodegradable nano - particles, reversed - phase micro - emulsion and ionotropic gelation methods were used
利用分散聚合法制得了粒徑約為3 m的聚苯乙烯種子微球,再通過溶脹、交聯、種子乳液聚合及萃取處理,最後得到中空多孔的聚合微球,並討論了其成孔機理和各博士論文功能型復合超微粒子的制備研究因素的影響。Experiments have shown that the nano silicon dioxide particles, nano teflon particles and calcium carbonate / rare earth compound particles have good performance on reducing the friction and resisting the wear
實驗表明,添加的納米二氧化硅微粒、納米聚四氟乙烯微粒和碳酸鈣、稀土復合微粒具有很好的減摩抗磨作用。分享友人