prepolymer 中文意思是什麼

prepolymer 解釋
前聚合物
  1. Study on li - series prepolymer by soft ionization ms

    軟電離質譜法研究鋰系預聚物
  2. Butyl acrylate was selected as the tender monomer in prepared bpua, and when the viscosity of middle multipolymer is 800 - 1000mpa. s, the last prepolymer had good capability. in the applied research, some influencing factors such as diluent, photoinitiator and photoinitiators that match to different pigments on the coating film were studied

    根據研究的結果，進行大量的配方實驗，研製了適合於皮革使用的uv上光油，經性能測試顯示：光澤度110 、耐折性3萬次、耐溶劑性200次、附著力合格，達到皮革上光油的使用要求。
  3. Effect of stearate on properties of polysulfide prepolymer

    硬脂酸鹽對聚硫橡膠預聚體硫化后性能的影響
  4. The ordered and micro - phase structures of the molecular of pu materials are decided directly by its synthesis technology, composition and other materials compounded with it, and they will influence the possessive properties of pu materials. in this paper, general studies on pu have been carried out by the methods of controlling the prepolymerize technology, taking off dissociative tdi from prepolymer through decompress boiling distilling technology, polymerized in - situ with nano - particles and interpenetrated with ps, the relationship between properties and structure of pu / omt, pu / sio2 nano - composites and pu / ps ipns were characterized by ftir, dmta, tem andtga

    本文用控制預聚體反應中單體的摩爾比、減壓共沸蒸餾去除預聚體中游離tdi 、用納米填料參與聚氨酯原位復合和與聚苯乙烯進行互貫等方法，合成了聚氨酯蒙脫土納米復合材料、聚氨酯sio _ 2納米復合材料和兩步法合成的基於聚醚（ ppg ）和聚酯（ 3010 ）的聚氨酯苯乙烯互穿網路聚合物材料，研究了其性能；運用ftir 、 dmta 、 tem 、 tga等表徵手段，對復合材料的結構進行了研究。
  5. The polyurethane ( pu ) membranes modified with silk fibroin ( sf ), made from sf protein and liquid prepolymer with terminal - isocyanate groups, were obtained by the process of prepolymer having reaction on the surface of sf membranes and then controlling the moisture of system and the solution conditions

    摘要以再生絲素蛋白和液狀端異氰酸酯基預聚物為原料，使預聚物在絲素膜界面發生化學反應，再通過控制相對濕度和溶解條件，制備了絲素改性聚氨酯膜。
  6. When termination occurs partly by disproportionation, the prepolymer chains in the product carry branches as well as cross-links.

    當終止反應一部分是由歧化所起時，則在產物中預聚物鏈不但帶有交聯也帶有支鏈。
  7. Hexamethylene diisocyanate (hmdi) may be used in prepolymer, in place of tdi.

    六亞甲基二異氰酸酯（HMDI）可用在預聚物中代替甲苯二異氰酸酯TDI。
  8. ( 2 ) the results of impact experiments show that impact strength of pf is improved and improvement lever is related to wpu ; but effect of carboxyl - terminated pu - prepolymer is better, that is to say the interpenetrating networks have priority at toughening of thermosetting resin

    （ 2 ）沖擊實驗結果表明二種pu預聚物均能提高pf的沖擊強度，增韌效果與pu質量分數wpu有關；而端羧基pu能使復合物沖擊強度達到的最大值比端羥基pu稍大。
  9. ( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum

    （ 4 ）通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析，可證明聚氨酯預聚物增韌酚醛樹脂的機理是：兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌；端羥基pu與pf在共固化中產生化學鍵效應，參與pf的固化；而端羧基pu則與pf形成半互穿網路而增韌。
  10. In view of the poor adhesion of ultraviolet - curing paints to metal substrate, the effect of prepolymer, active diluent, adhesion accelerator, curing process and pretreatment on the adhesion of coating to metal substrate was studied

    針對紫外光固化塗料存在與金屬基體附著力差的問題，通過試驗研究了塗料組分與工藝過程如預聚體、活性稀釋劑、附著促進劑、固化工藝及預處理對塗膜在金屬基體上的附著力的影響。
  11. An acrylic alkyd was produced via monoglyceride, in which acrylic prepolymer containing carboxyl with small molecular weight was applied as a modifier

    摘要採用單甘油酯法成功地制備出表干快、硬度高、耐候性好的丙烯酸改性醇酸樹脂自干型塗料，可滿足戶外大型鋼結構的塗裝要求。
  12. Studies on the prepolymer method for synthesis of anionic waterborne polyurethane

    預聚體法合成陰離子型水性聚氨酯的研究
  13. Relation between the limiting viscosity number of urea - formaldehyde prepolymer and the blue electronic ink microcapsules

    預聚體特性粘數與電子墨水微膠囊性能的關系
  14. As the tender part of polymer molecule, the poly ( propylene glycol ) ( ppg ) was studied. the result suggested that prepolymer which was prepared with the ppg ( molecular weight is 1000 ) has good capability. it ' s uv - curing velocity is 35m / min, glossiness is 139. 3 %, tensibility is 23. 88 % and tensile strength is 4. 475mpa

    對作為預聚物高分子主鏈柔性部分的聚醚進行的研究表明，採用分子量為1000的聚醚合成的預聚物， uv固化速度達到35m min 、固化后塗膜光澤度139 . 3 、塗膜斷裂伸長率23 . 88 、拉伸強度4 . 475mpa ，綜合性能優良。
  15. Hexamethylene diisocyanate ( hmdi ) may be used in prepolymer, in place of tdi

    六亞甲基二異氰酸酯（ hmdi ）可用在預聚物中代替甲苯二異氰酸酯tdi 。
  16. Polyurethane waterproof material was prepared by using polyurethane prepolymer as matrix material and petroleum resin as modifying agent

    摘要以聚氨酯予聚體為基料，以石油樹脂為改性劑，研製成功了石油樹脂聚氨酯防水材料。
  17. The micropcms were prepared by using in - suit polymerization with prepolymer of melamine - formaldehyde ( mf ) and charactized the properties such as shape, diameter distribution, thermal prosperities, strength, shell thickness and penetration property

    利用激光粒度分佈儀、 sem 、 dsc和tg分別研究了所得微膠囊的粒徑分佈、表面形態及熱性能的影響因素。
  18. Leather based varnish was prepared with self - prepared prepolymer. the capability testing suggested that glossiness is > 110 %, resistance to cracking is > 30000 times, resistance to acetone is > 200 times and adhesion is well. in the study of uv printing ink suggested that when the pea / bpua ( wt ) is 3 / 1 - 4 / 1, the coating film had good capability : adhesion is well, glossiness is > 110 % and tenderness is 1mm

    在研製紙印品uv上光油和油墨的應用實驗中，討論了顏料與引發劑的配伍性、顏料的用量對光固化速度的影響，並對pea和bpua兩種樹脂的共混比例進行了研究，結果顯示pea bpua = 3 1 - 4 1時，固化后性能測試顯示：附著力合格、光澤度100 ，柔韌性1mm ，綜合性能良好。
  19. The hydroxyl - terminated and carboxyl - terminated pu - prepolymer were prepared and cured respectively with pf. the molecule structures of two composite systems were characterized by means of ft - ir, and cured - sample morphologies were analyzed by sem. by means of the measurement of properties of pf, impact strength, volume shrinkage and thermal stability of pf / pu composite, effect of pu on pf has been investigated and the toughening differentials have been compared, then two kinds of toughening mechanisms have been discussed

    文中利用紅外光譜對pf / pu共混物的分子結構進行了定性分析，利用掃描電鏡對共混物沖擊斷面形貌進行了表徵、用簡支梁沖擊試驗機按國標測試pf / pu共混物的沖擊強度，並按國標測試共混物體積收縮率，最後利用熱重分析對pf / pu共混物的熱穩定性進行測試。
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