有基聚硅烷 的英文怎麼說
中文拼音 [yǒujījùguīwán]
有基聚硅烷
英文
organo-poly-siloxane-
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。Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰化工有限公司座落在江蘇國際塑化城，是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口，主要經營產品：甲苯、純苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙聚環戊二烯、降冰片烯二酸酐等。Through the research of crosslinking of matrix resin, heating treatment of composite and mixing of different polymer, we draw some conclusions : 1 、 percolation theory can explain the phenomenon of the jump of resistance when the content of cb reach a critical volume ; 2 、 based on ohm conduct theory, abounded to the percolation the wbibull statistical theory and other theory, an adapted theory was obtained to explain the jump of resistance and the other phenomenon ; 3 、 the ntc phenomenon was eliminated by crosslinking the matrix of conductive composite, at the same time the stability of composite was improved
通過對基體樹脂的交聯、復合材料的熱處理、聚合物共混物的研究得出了如下的結論： 1 、滲濾理論能夠很好的解釋導電粒子含量達到某一值時電導率劇增的問題； 2 、在歐姆導電模型的基礎上，綜合應用了weibull統計理論模型，結合原來的體積膨脹等理論，成功的解釋了ptc復合材料在基體材料熔點附近的跳變問題、 ntc現象以及熱循環穩定性等問題； 3 、有機ptc導電復合材料經硅烷交聯以後能夠消除ntc現象，改善了導電復合材料的穩定性能。Through the research on the crystallite of the composites modified with silicone coupling agent and pp - g - mah, research showed that the size of the crystallite and oriented crystallization had obviously influence on the mechanical performances. the sem results showed that nano - sio2 was dispersed well in pp, which promoted the matrix undergo shear yielding rather than brittle fracture
通過對硅烷偶聯劑?馬來酸酐接枝聚丙烯共聚物作為界面改性劑改性pp微晶的研究，表明微晶尺寸變化與復合材料的力學性能有關；在界面附近形成擇優取向的結晶層，促使基體發生屈服變形，提高了復合材料的韌性。The different ratio and dosage of composite surfactants were researched about the polymer latex ' s stabilization and structure. afterwards, the emulsion polymerization of tris, mma, and p ( mma - co - ptris ) were carried out. some different monomer ratio copolymer latex and homopolymer latex are prepared by emulsion polymerization used self - made organosilicone monomer - [ tris ( trimethylsiloxy ) silyl ] propylmethacrylate and mma
用ir ， tem ， dma ，水滴接觸角測試等方法表徵所制備的均聚物和共聚物膜發現：採用有機硅表面活性劑與十二烷基硫酸鈉復配使用，用量在6 8 （相對單體量）可得到粒徑分佈均勻且穩定的均聚和共聚乳液。Synthesis and characteries of side - chain liquid crystalline - polymethylhydrosiloxane containing two mesogenic units
側鏈含有兩種介晶基元的聚硅氧烷類液晶聚合物的制備與性能In this thesis, several new fluorescence carriers have been synthesized bearing a carbon chain with a terminal double bond introduced into the molecule and copolymerized with a monomer under uv irradiation on the silanized glass or quartz disk. the sensors prepared were studied. covalent immobilization effectively prevents the leakage of the carrier dye from the sensor membrane, a phenomenon that shortens the lifetime of ordinary optical sensors
本論文合成了幾種含末端雙鍵、可共價固定的新型熒光化合物，並以此作為熒光指示劑，與膜基質單體在光引發劑作用下發生光聚反應共聚在經過硅烷化處理的石英或普通玻片上製成光極膜，制備了對一些物質有響應的熒光化學傳感器。The research on the effect of liquid - liquid transition of polyacrylate on crystallization - melting of pdms indicates that above the melting temperature of pdms, pdms is reinforced by a special mutual action between p - electron in carbonyl of polyacrylate and 3d orbit in si atom of pdms, while below the temperature, the pdms crystal is lessened, which can not completely remove the crystal of pdms. however, it is the crystallization behavior of pdms that results in its most segments relaxation being restrained
研究聚丙烯酸酯液一液轉變對聚二甲基硅氧烷結晶一熔融影響的結果表明：碳基碳原子上p電子與出原於中3d軌道相互作用，在聚h甲基硅氧烷熔融轉變溫度以上，對其有分子增強作用；在聚二甲基硅氧烷熔融轉變溫度以下，霎對其有降低結晶度的作用，但不能消除結晶現象。Organosilicon polymer ( silicone ) has the potential application in many industry areas as new material owing to its excellent properties
摘要以聚硅氧烷為基礎的有機硅材料作為一種新型材料，具有特殊的物理化學性能，在許多工業領域中得到了廣泛應用。The vulcanization reaction of the ipn and pdms was determined by the fourier transform infrared ( ft - ir ). the mechanism of the vulcanization did ' t change, no chemical reaction between the ma and the pdms appeared
紅外光譜儀對聚硅氧烷和ipn固化前後的化學結構的分析表明，反應按照各自機理進行，丙烯酸甲酯與聚硅氧烷之間沒有發生化學反應，說明反應具備ipn形成的基本條件。The study on the core - shell particles shows, one extrenity of silane coupling agents at the surface of the composite particles after adding aps are connected with the fe particles. and the other extrenity outside can polymerize with the active silica. the slick and compact surface of the composite particles shows the obvious core - shell structure. the surface of the composite particles are composed of the combined apex of the element si, o, c, h. the element o is superfluous to the element si
對納米復合鐵粒子研究表明，在aps改性的鐵納米粒子表面硅烷偶聯劑氨基一端連接鐵粒子，另一端對鐵粒子外面，能與活性硅聚合。鐵納米復合粒子顆粒表面光滑緻密。核殼復合粒子表面主要由si ， o組成，伴隨著微量的c ， h元素的峰，核殼復合粒子表面氧對硅有富餘。Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process
將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中，獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合，在分散體粒子內產生擴鏈交聯反應，生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的平均分子量與理論平均分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明，此分散體具有極大的工業應用價值Well - ordered 3d - cubic, 2d - hexagonal, and disordered mesoporous silica films were synthesized by using non - ionic alkyl polyethylene oxide ( peo ) surfactants as a template, under the existence of different kinds acids respectively
摘要在不同種類酸的存在下，以非離子型烷基聚氧乙烯表面活性劑為模板分別制備出有序三維立方、二維六方和無序結構的介孔氧化硅薄膜。分享友人