polymerization rate 中文意思是什麼

polymerization rate 解釋
聚合速率
  • polymerization : 聚合酌
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. Poly ( methacrylic acid ) ( maa ) and poly ( acrylic acid ) ( aa ) microgels have been prepared as templates by employing inverse emulsion polymerization techniques. four types of spherical organic - inorganic nano - composites have been prepared by introduction of precipitation agent into the pmaa / paa microgels containing appropriate rate metal ions

    本課題開展了兩個模板體系的研究，即分別以丙烯酸（ aa ）和甲基丙烯酸（ maa ）為聚合單體，利用反相乳液聚合方法合成了幾種包埋有不同金屬離子的高分子微凝膠。
  2. In the polymerization systems studied, segmental rearrangement is the important rate-determining phenomenon.

    在已研究過的聚合體系中鏈段重排是重要的速度決定步驟。
  3. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯（ ba ）間歇乳液聚合，制備了pba納米粒子，在11min內轉化率達到90 ，分子量達5 . 24 10 ~ 6 ，隨反應時間的延長而降低，表明超聲輻照引發乳液聚合是一個動態的復雜過程，單體的聚合和聚合物的降解同時發生。
  4. Grafting kinetics and graft polymerization rate model of solid phase grafting of acrylic acid on polypropylene

    聚丙烯固相接枝丙烯酸聚合動力學及其接枝聚合速率模型
  5. According to this, we have deduced that branching reaction must have been happened during the polymerization which has been caused by chain transfer at high conversion rate

    說明聚合反應中發生了鏈的支化反應，這是由於高轉化率時，大分子發生鏈轉移所引起的。
  6. It was found that polymerization rate was increased with the increased dosage of initiator or surfactant ; particle size of miniemulsion was kept relatively stable during polymerization when an initiator of lower solubility was used ; an increase in dosage of dpr reduced polymerization rate, but showed no significant impact on the final monomer conversion

    實驗結果表明：引發劑或乳化劑的用量增加可以提高單體的轉化速率；引發劑水溶性的降低可以更好地控制聚合過程中的粒徑變化；歧化松香含量的增加降低了聚合速率，但對單體的最終轉化率影響不大。
  7. The results show that compared with the intermittent polymerization, the semi - continuous polymerization can greatly improve the reaction rate, and polymer with high relative molecular weight can be easily obtained

    研究表明：與間歇式聚合相比，採用雙螺桿擠出機進行半連續化聚合可以大大加快反應完成的速度，同時還容易制得相對分子質量較高的聚合物。
  8. Organosilicone monomer mts with higher silicone content than raw monomer kh - 570 was elaborated at a fairly low output rate. afterwards, the solution polymerization of mts, mma, and copolymerization of mts and mma were carried out

    研究以硅烷偶聯劑kh570為原料制備了有機硅單體mts ，該單體中的硅含量較原料單體kh - 570有大幅度增加但合成產率偏低。
  9. The value of d001 was increased by 1. 1 nm after modification indicated by xrd. the influencee factors of the apparent kinetics of the decomposition rates of aiba and the influence of montmorillonite on the rate of emulsion polymerization were studied. nanostructured methyl methacrylate - n - cyclohexylmaleimide copolymer / montmorillonite composites were prepared by bulk and emulsion methods and the characterization of dsc tga tem xrd optic properties and mechanics properties were carried out

    考察了aiba表觀分解速率的影響因素並研究了mmt對乳液聚合反應速率的影響，在此基礎上，用乳液法與本體法制備了p （ mma ? chmi ） ommt納米復合材料，並對納米復合材料進行了dsc 、 tga 、 tem 、 xrd 、光學性能、力學性能等測試。
  10. Moreover, ultrasonically initiated semi - continuous and continuous emulsion polymerizations were carried out. both semi - continuous and continuous emulsion polymerization rate are slower than batch emulsion polymerization

    實現了超聲輻照引發的半連續和連續乳液聚合，解釋了超聲引發乳液聚合的機理。
  11. Abstract : focusing the key problem of liquid with high viscosity in heat transfer, experiments on mixing and reaction rate of hot liquid were carried out. a new polymerization process of methylvinyl silicone rubber was designed

    文摘:通過對現有甲基乙烯基硅橡膠生產工藝、過程和設備的分析研究，針對高粘度流體傳熱難度大的問題，進行了熱流體混合速度及反應速度的試驗，設計了一種生產甲基乙烯基硅橡膠的新工藝。
  12. Progresses are reviewed in such aspects as improvement in polymerization media for fep preparation, techniques for regulating the rate of tfe / hfp copolymerization and fep modification, and technical issues of worth attention were discussed

    摘要綜述了聚全氟乙丙烯制備技術中聚合介質改進、共聚反應控制方法研究、聚合物改性技術等方面的進展，並提出了值得關注的工程技術問題。
分享友人
分享到 Line

分享到臉書