共酯 的英文怎麼說

中文拼音 [gòngzhǐ]
共酯 英文
co-ester
  • : 共動詞[書面語]1. (圍繞) surround2. (兩手合圍) span with the hand
  • : 名詞[化學] (有機化合物的一類) ester
  1. Study on n - maleoy - l - alanine and methyl methacrylate chiral copolymer

    丙氨酸與甲基丙烯酸甲手性聚物的研究
  2. 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( mmal苯乙烯舊t )以及它們的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。
  3. A study on acrylate copolymer - modified alkyd resin paints

    丙烯酸聚改性醇酸樹脂塗料的研製
  4. In this paper, we reported the synthesis of three supramolecular complexes between - cyclodextrin and anisole, ethyl benzoate, m - cresol, respectively, which are identified by means of 1hnmr technique

    摘要以-環糊精與苯甲酸乙、苯甲醚和間甲酚在水相中通過范德華力發生包合反應形成了主客體超分子絡合物,並用核磁振氫譜對絡合物進行了表徵。
  5. Progress in separation of dimethyl carbonate from methanol - dimethyl carbonate azeotrope

    甲醇與碳酸二甲沸液的分離研究進展
  6. Separation of dimethyl carbonate from its azeotrope with methanol using trichloroethylene

    三氯乙烯恆沸精餾分離甲醇與碳酸二甲沸物
  7. Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide

    研究表明, tcs微孔化混聚熔體在成型加工中的流變行為和可紡性,及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和混聚中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外,還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。
  8. First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec

    首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑( aec )分子中引入末端雙鍵,得到帶末端雙鍵的熒光指示劑3 - ( n -甲基丙烯酰基)氨基- 9 -乙基咔唑( mec ) ,然後通過乳液聚合技術將mec價固定到聚甲基丙烯酸丁基體上,制得一種價固定了mec的聚合物顆粒。
  9. 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聚物具有比純丙烯酸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乳液,且其聚合產物具有較高的力學及耐水性能。
  10. Study of the thermal properties of the epoxy resin cyanate ester co - curing system

    氰酸固化體系熱性能的研究
  11. Structure and property of co - curing reaction product for epoxy and cyanate resin system

    環氧樹脂與氰酸固化物的結構與性能
  12. Pcl could form banded spherulites through blending with poly ( bisphenol a - co - decane ) lamellar structures of banded spherulites of poly ( s - caprolactone ) / poly ( vinyl chloride ) ( pcl / pvc ) blends were observed using tapping mode atomic force microscopy ( afm )

    利用原子力顯微鏡( afm )的輕敲( tapping )模式,系統地研究了聚-己內聚氯乙烯混體系形成的環帶球晶表面形貌和片晶結構。
  13. Pgla, one biodegradable material, is used to braid the conduits, which integrates the merits of its two aggregate ingredients. it is easy to adjust degrading rate to match the regeneration period of the nerve by changing the proportion of the two ingredients. the conduits are fabricated enlacing 2. 2 millimeter stainless steel on the braiding machine with 16 spindles using 2700 tex yarns. four conduits with different structures are braided : common braided structure, braided structure using braided ply yarn, braided structure with inserted reinforcing yarn and adding bridge - yarn structure, the last two conduits are new attempts to look for good shape - keeping structure, being able to lead the nerve to regenerate effectively

    本課題選用可生物降解材料聚乙丙交( pgla )為原料,它兼具兩種聚合成分的優點,可以通過調節兩者聚合的配比來調節它的降解周期,使與神經再生的周期相吻合。導管的製作是在16錠編織機上採用2700tex紗線進行帶芯編織,芯子為直徑2 . 2mm的不銹鋼絲。製作四種結構神經導管,分別為普通結構神經導管、編織線結構神經導管、加筋結構神經導管和加芯結構神經導管。
  14. In order to improve the performance of the maleic anhydride - co - acrylamine copolymer water - reducing agent, the copolymer is monoesterified with the polyethylene glycols. the fluidity of the esterified copolymer has been increased 60 %, and it has good retarding performance

    通過對不同條件下得到的聚物的化產物的性能的測試得到初始中和度、引發劑用量、反應物濃度、反應溫度與化產物性能的關系。
  15. Emulsion of acrylate copolymer, which has good anti - damage and good contaminates resistance, is used to make floor wax

    是一種微粒徑的丙烯酸聚物乳液,塗膜光澤度高,具有抗劃傷性和耐沾污性。主要用於配製地板蠟水。
  16. ( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime

    ( 3 )用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物,與甲基丙烯酸羥乙、丙烯酰胺、環乙二醇二丙烯酸聚制得光極膜,制備了一種苯並蒽酮schiff堿光化學傳感器,可用於單質碘的測定。
  17. Studies on the liquid crystalline characters and phase transition behaviors of a poly ester imide copolymer

    酰亞胺聚物的液晶特性和相轉變研究
  18. Graft copolymerization of itaconic acid acrylic acid monomer mixture onto poly ethylene terephthalate fabric

    丙烯酸與聚織物接枝聚性能
  19. In this paper, pan based metal gradient composites films ( pmgcf ) were prepared by electrochemical reduction. the effect of polymer matrix on pmgcf and preparation and its forming mechanism of pmgcf were invested, they are as follows : lacrylonitrile - methyl - methacrylate copolymer, acryonitrile - itaconic acid copolymer, acrylonitrile - methyl methacry late - sodium allyl sulfonate terpolymer have been synthesized seperately in order to analyze the effects of the mma monomer unites and the hydrophilic unites of acryonitrile terpolymer on the process of copper deposition in polyacrylonitrile - based metal gradient composite film ( pmgcf ) as well as the flexibility of the film

    其內容如下: 1通過合成的丙烯腈?甲基丙烯酸甲二元聚物( p ( an - mma ) ) ,丙烯腈?亞甲基丁二酸二元聚物( p ( an - ita ) ) ,丙烯腈-甲基丙烯酸甲?丙烯磺酸鈉三元聚物( p ( an - mma - as ) )分別作為基體制備了聚合物基金屬梯度復合膜材料( pmgcf ) ,以分析加入的mma基團和親水性基團對pmgcf沉積層中金屬銅的梯度分佈形態和膜的柔韌性的影響。
  20. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酸相圖進行預測,通過與實驗數據進行比較,預測的低熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。
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