metallocene 中文意思是什麼

metallocene 解釋
金屬芳香類
  1. In part 3, the in - situ copolymerization of ethylene was investigated by the combinations of the cobalt - based catalyst and the metallocene to prepare short - branched polyethylene. the major oligomers catalyzed by the cobalt - based catalyst 5, 6 and 7 werel - butene, and the minor were 1 - hexene. the comonomer effects were also observed

    在雙亞胺基吡啶鈷配合物與茂金屬復配催化乙烯原位共聚制備短支鏈支化聚乙烯中,合成了3種雙亞胺基吡啶鈷配合物,研究了反應條件對其催化乙烯齊聚活性和所得產物碳數分佈的影響。
  2. With the decreasing in the " bite - angle " of the metallocene, the maximum activities of the systems also decreased. the structure of the iron - based catalyst had some influence on the optimum value of n ( fe ) / n ( zr )

    而齊聚催化劑的電子效應對整個原位共聚體系中出現共單體效應時齊聚催化劑與共聚催化劑的最佳配比影響較明顯。
  3. Homogeneous metallocene catalyst

    均相茂金屬催化劑
  4. Constrained geometry metallocene catalyst

    限定幾何構型茂金屬催化劑
  5. Preparation of polymer composites is one of the important methods to realize high performance of polymer materials. in this paper, a newly developed ethylene - octene copolymer ( eoc ), catalyzed by metallocene catalysts, was used as an impact modifier for pp instead of traditional modifier ( epdm ). the relationship between the structure and properties of polypropylene composites toughened and reinforced by eoc and cacos respectively or together was studied systematically

    聚合物復合材料的制備是實現高性能聚合物材料的重要途徑之一,本論文採用茂金屬催化劑合成的新型聚烯烴彈性體乙烯-辛烯共聚物( eoc )代替傳統的三元乙丙橡膠,對eoc和caco _ 3兩種增韌劑分別和協同增韌增強聚丙烯復合材料體系的形態結構與性能的關系進行了系統的研究,圍繞高性能、應用探索和理論研究三個方面作了較為深入的探索和分析,獲取了很多有價值的信息,為高性能聚丙烯復合材料的開發和應用作了理論鋪墊,主要結果如下: 1
  6. Those metallocene branched polyethylene exceed all others in basic properties with processing properties being close to the general polyethylene

    開發的茂金屬支化聚乙烯基本性能優于通用聚乙烯,而加工性能接近通用聚乙烯。
  7. The application experiment data show that metallocene branched polyethylene prepared by the new method are applicable to tubing and large - scale hollow container

    應用試驗表明,開發的茂金屬支化聚乙烯可用於製造管材和大型中空容器。
  8. Metallocene branched polyethylenes prepared by oligomerization catalysts at different ratio vary in physical properties, and the ratio of cocatalyst to oligomerization catalyst of 8. 72 : 1 gives good physical properties and processing properties

    以不同配比齊聚共聚催化劑聚合的茂金屬支化聚乙烯的基本物性不同,當共聚齊聚催化劑配比為8 . 72 : 1時,基本性能和加工性能較好。
  9. Basic properties of various polyethylene polymerized by metallocene catalysts and various branched polyethylene polymerized by oligomerization cocatalysts were researched, and the results show that metallocene branched polyethylene polymerized by oligomerization cocatalysts have high molecular weight, broad molecular weight distribution, and good tensile properties compared to metallocene - based polyethylenes prepared using mono - metallocene and bi - metallocene catalysts

    摘要研究了不同茂金屬催化劑聚合的茂金屬聚乙烯及不同齊聚共聚催化劑聚合的茂金屬支化聚乙烯的基本性能,結果表明:以齊聚共聚催化劑體系的茂金屬支化聚乙烯比以單、雙茂金屬催化劑的茂金屬聚乙烯相對分子質量高、相對分子質量分佈寬,拉伸性能優良。
  10. The development and the application of metallocene ethylene / octene copolymer were reviewed with 21 references. as a result, these refer - ences were provided for the use and investigation of this new material

    摘要概述了茂金屬乙烯辛烯共聚物在菜丙烯、聚乙烯、聚酯、聚酰胺、苯乙烯基樹脂等中的應用進展。
  11. The recent advances in olefins oligomerization catalyzed by metallocene catalyst have been reviewed. emphasis is given to the catalytic reactions, cyclization and prospect of application of metallocene catalyst

    摘要本文介紹近年來國內外在茂金屬催化劑烯烴劑聚與環化方面的研究進展,主要側重於茂金屬催化劑烯烴劑聚, , -二烯的環化及應用前景。
  12. Ethylene / octene copolymer sythesized by metallocene catalyst was a new kind of thermoplastic elastomer, which was molded as elastomer material by plastic common molding process such as injection, extrusion and blowing and also by rubber process such as chemical crosslinking by peroxide

    採用茂金屬催化劑合成的乙烯辛烯共聚物是一種新型熱塑性彈性體,可用注射、擠出、吹塑等常用加工方法成型,又可用過氧化物進行化學交聯,用橡膠加工方法製成彈性體材料。
  13. Multi - layer coextrusion technology for - metallocene - based pe

    茂金屬聚乙烯多層共擠吹塑技術
  14. Structure and tensile properties of metallocene polyethylenes

    茂金屬聚乙烯結構與拉伸性能的研究
  15. On toughness of polypropylene with metallocene polyolefin elastomers

    茂金屬聚烯烴彈性體增韌聚丙烯的研究
  16. The new development and the application of metallocene ethylene / octene copolymer were reviewed with 20 references

    摘要綜述了茂金屬乙烯辛烯共聚物作為彈性體材料的最新應用進展。
  17. With excellent mechanical properties, a majority of metallocene polyethylene was used as films. however it is difficult to manufacture metallocene polyethylene in common blown - film machines. by blending and filling, this paper investigates different systems " rheological and crystallization properties, also films " mechanical strengths are researched

    茂金屬催化聚乙烯具有優異的力學性能,大部分應用在薄膜領域,但是在普通的吹膜設備上單獨加工有一定的困難,本論文通過共混、填充的方法,研究了不同體系的流變性能和結晶性能,以及吹塑薄膜的力學強度。
  18. The thesis consists of two parts : chapter 3 focused on the effects of ldpe, lldpe on the mechanical, rheological crystallization properties of bimodal metallocene pe ( mpe ) and smpe with higher content of co - monomer

    論文實驗由兩部分組成。第三章研究ldpe 、 lldpe對雙峰分佈mpe和共聚單體含量較高的smpe力學性能、流變性能、結晶性能的影響。
  19. The structure of the metallocene had an important influence on the maximum activity of the comonomer effect

    共聚催化劑的結構對整個原位共聚體系活性的影響比較明顯。
  20. The effects of the concentration, the molar ratio of mao to the metallocene c3 or c4 and the polymerization temperature on the polymerization activity were also investigated individually

    這為進一步研究兩種催化劑的復配奠定了基礎。並且發現在雙亞胺基吡啶鐵配合物與茂金屬復配時存在共單體效應。
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