高聚物結構 的英文怎麼說
中文拼音 [gāojùwùjiēgòu]
高聚物結構
英文
polymer structure- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 高聚物 : [有機化學] high polymer; eupolymer; superpolymer; macromol(cule)
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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The mechanical properties indicated that the improved exfoliation degree of mmts was essential for better properties of the nanocomposites, while the mechanical properties of interc alated nanocomposites were dependent on the structure of the organic modifiers 3
有機蒙脫土層間有機物含量較高,有利於聚合物插層和mmt片層剝離分散。片層剝離分散程度大,有利於提高復合材料的力學性能;插層型復合材料的力學性能與表面活性劑分子結構有關。Using templates is an important method to regulate and control the morphology and size of crystal. according to the characterization of templates and the ability of their domain limitation, template methods were divided into two parts, hard - template methods and soft - template methods. soft - template methods mainly included many kinds ordered congeries that composed by amphiphathic molecules, such as liquid crystal, colloid, microemulsion, vesicle, lb films, self - assemble films, and so on, the self - assemble structure of macromolecules and biomacromolecules was also included
模板法是對晶體的形貌和尺寸進行控制的一類重要的方法,根據模板自身的特點和限域能力的不同分為硬模板和軟模板,軟模板主要包括兩親分子形成的各種有序聚合物,如液晶、膠團、微乳狀液、囊泡、 lb膜、自組裝膜等,以及高分子的自組織結構和生物大分子等。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。Abstract : positron spectroscopy is a new and sensitive microanalytical probe for characterization of polymer microstructures. we report recent advances in this area, including studies on the free volume properties, structural transition, miscibility of blending polymers, physical aging, doping of functional polymers, interfacial interaction of multiphase polymers, etc
文摘:簡要介紹了近年來正電子譜學在聚合物微結構研究中的主要應用及進展.大量實驗事實表明,正電子譜學是表徵高聚物微結構的極靈敏方法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。The product is adopting the numerator that the united states first enter synthesize the craft, the numerator that pass science designs, make epoxy and water polyurethane the combination, form polymers has each other thing of wearing the network construction, and join the functional monomer to it make the product can polymerize in normal temperature ; at 50 degress reporters conditions, the degree will be higher. make water - paint have excellent hardness, luster, chubbiness and attrition resistance, water resistance , ethanol resistance ; make the water - paint with the product has epoxy and polyurethane excellent capability
該產品採用美國最先進的高分子合成工藝,通過科學的分子設計,使環氧樹脂與水性聚氨酯分散體有機地結合,形成具有互穿網路結構的高分子聚合物;並通過功能性單體的引入賦予該產品常溫自交聯功能,在50條件下成膜,交聯度會更高;使漆膜具有極好的硬度、光澤、豐滿度、耐水性及耐磨性,使配置的水性漆兼具聚氨酯及環氧樹脂的優異性能。The product is adopting the numerator that the united states first enter synthesize the craft, the numerator that pass science designs, make epoxy and water polyurethane the combination, form polymers has each other thing of wearing the network construction, and join the functional monomer to it make the product can polymerize in normal temperature ; make coating have excellent hardness, luster, chubbiness and attrition resistance, water resistance , ethanol resistance ; make the water - paint with the product has epoxy and polyurethane excellent capability
該產品採用美國最先進的高分子合成工藝,通過科學的分子設計,使環氧樹脂與水性聚氨酯分散體有機地結合,形成具有互穿網路結構的高分子聚合物;並通過功能性單體的引入賦予該產品常溫自交聯功能,使漆膜具有極好的硬度、光澤、豐滿度、耐水性及耐磨性,使配置的水性漆兼具聚氨酯及環氧樹脂的優異性能。Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering
本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上,以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線,從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上,進一步發現了信息網路所具有的一些新特徵: 1 )網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系,具體包括節點之間的物理連邊概率與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的概率與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 )網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 )網路微觀拓撲結構中的存在很強的集聚性(平均聚團系數很高) 。Relation among chemical composition, physical structure, and mechanical behavior of plastics or synthetic high polymers
塑膠或合成高聚物的化學組成,物質結構和力學性質間的關系。Materials for interconnection structures - part 8 : sectional specification set for non - conductive films and coatings - section 8 : temporary polymer coatings
互連結構材料.第8部分:不導電薄膜和塗層分規范集.第8節:非永久高聚物塗層Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究Based on theory of gear driving, fluid mechanics, hydrodynamic lubrication, polymer rheology and single - screw extrusion, key structure design principles in melt pump are summarized, some theory foundations are also deduced
結合齒輪傳動、動力潤滑、流體力學、高聚物加工流變學以及單螺桿擠出理論的部分知識對熔體泵結構設計中的主要問題進行了總結,並對其中部分理論依據進行了推導。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將有較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息The results at normal temperature have shown that klc of high polymer bonded explosive are very low comparing to metals and some high polymer materials, thus the ability of pbxs to resist crack expanding is very poor, and once some cracks occur inner a structural part of pbxs, the structure will fail very soon and easily. so in the process of machining and production, cracks should be avoided carefully in pbxs parts. some important laws about klc of the three typical pbxs above changes with temperature have been obtained as follows : a
對三種具有代表性的高聚物粘結炸藥j1 、 j2和j3在常溫下的平面應變斷裂韌度進行了測試與研究,研究結果表明:相對于金屬及某些高分子材料而言,高聚物粘結炸藥的k _ ( ic )值很低,即高聚物粘結炸藥的抗裂紋擴展能力是極差的,一旦炸藥構件中產生了裂紋,炸藥構件將極易破壞,因此,在高聚物粘結炸藥構件的生產及加工過程中,應避免裂紋的產生。Fire - resistant wire and cable are idfferent from flame - retardant wire and calbe in construcier and material. the former will operate normally during or after a long time fire, even if the polymer of the cable section on fire has been burned out
所謂耐火電線電纜,其結構和材料阻燃電線電纜不同,它可在長時間的燃燒過程中或燃燒后,即施加火焰處的高聚物材料被毀,也能夠保證線路正常運行。Products and systems for the protection and repair of concrete structures - test methods - shrinkage of crack injection products based on polymer binder : volumetric shrinkage
混凝土結構的保護和維修用產品和系統.試驗方法.基於高聚物粘合劑的裂縫注入產品的收縮率:體積收縮率In this paper, the kaolinite / polyacrylamide intercalation compound was prepared first by the displacement reaction of kaolinite / formamide intercalation precursor with acrylamide, and then the in - situ polymerization of acrylamide. the kaolinite structure and the intercalation mechanism were discussed by the techniques of powder x - ray diffraction analysis, * h mas nmr, raman, and ir spectra
本文以甲酰胺為前驅劑、丙烯酰胺為取代劑,採用插層-取代-原位聚合的方法制備高嶺石有機插層復合物,用x射線衍射、 ~ 1hmasnmr 、 raman 、 ir等技術研究了插層復合物結構特徵和插層反應機理。Damping materials are finding numerous applications. polymers are widely applied for damping materials because of particular structures and viscoelastic properties. the damping properties of polymers are mainly dominated by the glass transitions
在日常生活中減振材料有很多的用途,高聚物由於其本身的結構性能特點而被廣泛的應用於減振材料。The results showed that it is impossible for " island - sea " structure non - compatible blend polymer to form interfacial phase separated micro - void after being drawn
結果表明對于「海?島結構」非相容性共混高聚物中空纖維,經拉伸后,能形成相界面分離孔。The capability of polymer is highly demanded to meet the needs of constantly developed economic. strength and toughness are two significant parameters for polymer and must meet the needs of structure
經濟的發展對高聚物材料的性能提出了越來越高的要求,滿足一定的力學性能是高聚物作為結構材料的前提。分享友人