聚合改性 的英文怎麼說
中文拼音 [jùgěgǎixìng]
聚合改性
英文
polymeric modification- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 改 : Ⅰ動詞1 (改變) change; transform 2 (修改) revise; alter; modify 3 (改正) rectify; correct 4 ...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
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Boracic modified penolic resin with boracic acid and hydroxymethyl phenol was manufactured after hydroxymethyl phenol was created with in a special way
摘要通過在一定條件下,先將苯酚、甲醛製成羥甲基酚,然後改變條件與硼酸共聚,制得具有合成穩定和較好耐熱性的硼改性酚醛共聚樹脂。The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements
結果表明:有機硅聚合物-聚丙烯酸酯梯度膜有一個較寬的玻璃化轉變溫區,玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展:有機硅聚合物-聚甲基丙烯酸酯梯度膜具有較好的熱學性能;硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。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。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。The small packing adhesive, which is a modified product from ethylene - vinyl acetate copolymerized emulsion, has high solid content, low viscosity, and good adhesive strength. the product is up to the standard of foodstuff hygiene and suitable for the small package of the cigarette packing production line with stable adhesive application and the making speed up to 400 packs per minute. type i is for white card paper, while type ii is for golden card paper
小盒包裝膠系乙烯-醋酸乙烯共聚乳液改性產品,具有高固含低粘度粘接力強等特點,產品符合食品衛生標準,適用於卷煙卷包生產線的小盒包裝,施膠穩定,無開包等不良現象,車速可達400包分,型為白卡紙專用膠,型為金卡紙專用膠,具有極佳的初粘力和持粘力,對非極性材料的光滑表面有獨特的優良粘接性能,對各種難粘材料均可適用。In this paper the properties of the polymer modified cement mortar are studied of didy formwork concrete surface coated layer for protection. the emphasis is focused on the permeability and cracking - proof feature
本文主要對模網混凝土聚合物改性水泥砂漿保護層的性能進行研究,著重探討了與耐久性密切相關的抗裂性能和抗滲性能。Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid , methylacrylic acid , esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water , anti acidity or bascity and brightness in the products of same type
以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料,在引發劑的存在下,以水或醇作溶劑進行聚合,加入苯乙烯、醋酸乙烯等改性,合成了3種不同的水溶性丙烯酸改性樹脂,並對其性能進行了測定.結果表明:這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品The applications of etherified end group capped polyether in the fields such as cleaning, textile dyeing and printing, food processing and synthesizing polyether modified organosilicon were introduced through practical examples
並通過實例介紹了醚化封端聚醚在清洗、紡織印染、食品加工及在合成聚醚改性有機硅等領域的應用。Preparation of fluoropolymer - modified polyacrylate emulsion
氟聚合物改性聚丙烯酸酯乳液的制備These resuits indicate that the " on - off " response of the neuron in visual area l is not only a simple convergence of the " on - off " response from the retina or the lateral geniculate body, but is an result of the integration of the neuron in visual area l
F反應並非是視網膜和外膝體。 n 。 f信息的集聚,而是視皮層神經元對上傳信息整合后的結果,另一方面說明杏仁復合體可參與這種整合,改變視皮層神經元的反應性質。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
對于高密度聚乙烯,採用以下兩種思路進行: ( 1 )對聚乙烯首先進行功能化改性,使聚乙烯分子鏈上接枝上不同的極性基團,將改性后的聚乙烯再同有機蒙脫土直接熔融復合,成功的制備了聚乙烯蒙脫土納米復合材料,並考察了接枝到聚乙烯主鏈上基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,將聚乙烯,接枝物,有機蒙脫土三者熔融復合,也可以得到聚乙烯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。The result showed that plasma polymerized trimethylphosphit can improve hydrophile of 317l stainless - steel dramatically
結果發現亞磷酸三甲脂等離子體聚合膜可以明顯改善不銹鋼表面的親水性。Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled
課題研究中,首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性,使其表面由憎水轉化為完全親水,確保與無機材料的復合質量;其次,通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾,使保溫材料在滿足必要的強度的前提下,導熱系數降至最小;並且,課題研究中成功解決了纖維在保溫材料中均勻分散的問題,達到了抑制保溫材料收縮的目的;最後,通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性,滿足施工的要求。The synthesis of melamine resin tanning agent
改性三聚氰胺樹脂鞣劑合成Bitumen and bituminous binders - visualisation of polymer dispersion in polymer modified bitumen ; german version en 13632 : 2003
瀝青和瀝青粘合劑.高聚物改性瀝青中高聚物分散的目測The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc
在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。Abstract : the preparation conditions of unsaturated polyester ( up ) resins modified by pet were introduced in this paper. the copolymerization mechanisms of the synthesis of up resins from cis - and trans - anhydride were researched. the relationship between the modified resins activities and the structure of unsaturated acids were also discussed. the reason for the differences of the exothermal curves of the two resin systems was that the activity of the cis - and trans - unsaturated bonds was different from each other
文摘:本文研究了由聚酯改性合成不飽和聚酯樹脂的反應機理和工藝條件,討論了改性樹脂反應活性與不飽和酸結構之間的關系,解釋了順、反式雙鍵結構對改性樹脂固化放熱特性和反應活性不同的原因。Character and development of ipn, seed emulsion polymerization and in - situ emulsion polymerization methods were compared, and it makes some brief introduction to development of multiple compound modification such as organic silicone, nanometer material
比較了互穿網路法、種子乳液法和原位乳液聚合法等的特點和進展,對多重復合改性如有機硅、納米材料等的進展作了簡介。Study on preparation of compound modified polyvinyl alcohol adhesive
復合改性聚乙烯醇膠粘劑的研製When the content of nano - silica reached 1. 0 %, the waterproofing coatings had the best performance. the organic - mmt and melamine resin compound modification and the organic - mmt and organic nano - sio2 compound modification were studied
還研究制備了有機蒙脫土和交聯劑復合及有機蒙脫土和接枝處理納米sio _ 2復合改性聚合物水泥基防水塗料。分享友人