polypropylene (pp) 中文意思是什麼

polypropylene (pp) 解釋
聚丙烯
  • polypropylene : n. 【化學】聚丙二醇酯，聚丙烯。
  • pp : 1 parcel post 包裹郵遞；包裹郵務處；〈總稱〉郵包，包裹郵件。2 past participle 過去分詞。3 postpai...
  1. Spherulites dimension also decreases due to the chemical changes occurred during pan - milling. viscosity test shows that chain scission occurred during pan - milling, which caused slight reduction of mechanical properties. polypropylene / polyamide 6 ( pp / pa6 ) ultra - fine powder was prepared through pan - milling at ambient temperature

    通過磨盤碾磨在常溫下制備了聚丙烯/尼龍6 （ pp / pa6 ）超細復合粉體，其粒徑可通過碾磨時間、磨盤轉速、磨面靜壓力、碾磨溫度等工藝參數控s摘要一制。
  2. Nonpolar polypropylene has bad compatibility with mmt even after organic modification to mmt. so polypropylene ( pp ) grafting acrylic acid was produced by the suspension grafting method as compatilizer. as pp / mmt nanocomposites prepared from htab modified mmt as concerned, the interlayer spacing of mmt is 4. 61nm, 4. 2nm and 4. 09nm respectively when the mmt content is 1 %, 2 % and 3 %. so, the abtained nanocomposites has intercalated structure

    當土含量為2 ，相容劑用量為15時力學性能最好，缺口沖擊強度和拉伸強度分別達到16 . 45kj m ~ 2和35 . 77mpa ，分別比純pp增加了280和4 . 3 ，蒙脫土的加入起到了增韌和增強的雙重作用。
  3. In attempt to prepare and investigate the novel high - performance electrically conductive polymer composites, the binary and multicomponent electrically conductive nanocomposites as well as the combined nano and in - situ composites were prepared with polypropylene ( pp ) served as the matrix, expanded graphite ( eg ) as a conductive filler, nylon 66 ( pa66 ) as a modifier, and maleic anhydride grafted polypropylene as an eg intercalater and the compatibilizer of pp - pa66, based on the state - of - art development in the realm of polymer / inorganic nanocomposites and polymer / polymer in - situ composites domestically and overseas. the main outcomes are obtained as follows : 1

    本論文以制備和研究新型高性能聚合物導電復合材料為目的，跟蹤和借鑒國內外在聚合物無機物納米復合、聚合物聚合物原位復合領域的最新研究成果，制備和研究了以聚丙烯（ pp ）為基體、膨脹石墨（ eg ）為導電填料、尼龍66 （ pa66 ）為改性劑、馬來酸酐接枝聚丙烯（ gpp ）為eg插層劑和pp ? pa66增容劑的二元及多元導電納米復合材料和納米復合與原位復合組合復合材料，取得了以下主要研究成果： 1
  4. Manufacturing of gf pp warp - knitting fabrics reinforced polypropylene composite materials

    經編織物增強聚丙烯復合材料
  5. Polypropylene ( pp ) is one of the popu1ar plastic that has been applied wideiy. but its defect of upper brittleness at low temperature restricts further application of polypropylene

    聚丙烯（ pp ）作為通用塑料的一個大類，在各個領域得到了廣泛的應用，但pp的耐沖擊性較差，限制了其使用范圍。
  6. Among insulating materials used in chromeplating solution, pp - r ( polypropylene ) plastic or f4 ( white ) plastic has comparatively excellent performance ; whereas the insulating materials used in other non - chromeplating - solutions could be selected according to specific application conditions

    試驗發現：在鍍槽鍍鉻液環境使用的絕緣材料， pp - r （聚丙烯）塑料或f4 （白色）塑料的使用性能是比較優秀的；在其它非鍍鉻液環境使用的絕緣材料，可根據具體的使用條件選用。
  7. Adopting international standard - 3. 2m width, the pp fabric has the advantage of good uniformity, excellent soft hand feeling and high tensile strength. and also, we have developed the composite deep - processing pro ducts mainly including polypropylene meltblown fabric

    的各種規格顏色的中高檔中低檔丙綸紡粘非織造布為主體，採用國際通用的3 . 2米幅寬標準，外觀均勻，手感柔軟，強力拉伸度好，並結合市場需求開發和研製以丙綸紡粘布為主材的復合深加工產品。
  8. Through multi - factor orthogonal experiment, wood fiber / plastic composite was manufactured to study the effects of polypropylene content on properties of wood fiber / plastic composite by using wood fiber and recycled polypropylene ( pp ) and mdi or ma as coupling agent

    摘要通過正交試驗，以木材纖維和廢舊聚丙烯塑料為原料，異氰酸酯或馬來酸酐作偶聯劑，壓制木材纖維聚丙烯復合材料，研究聚丙烯（簡稱pp ）用量對木塑復合材料性能的影響。
  9. It is inter - addition - type antistatic agent applicable for polyalkene plastic and nylon products to produce antistatic macromolecular materials such as the pe and pp film, slice, container and packing bag ( box ), mine - used double - anti plastic net belt, nylon shuttle and polypropylene fibre, etc

    作為聚烯烴類塑料、尼龍等製品的內加型抗靜電劑，用來製造抗靜電高分子材料，如pe和pp的薄膜、片材、容器、包裝袋（箱） 、礦用雙抗塑料網帶，用及尼龍梭子和丙綸纖維等製品。
  10. The nucleating effects of and nucleating agent on the crystallization behavior of polypropylene ( pp ) were studied by differential scanning calorimetry ( dsc ) and x - ray diffraction spectrum ( xrd )

    摘要用差示掃描量熱儀和x射線衍射儀對兩種類型成核劑改性的聚丙烯的結晶行為進行了表徵。
  11. Pp / gmt ( glass mat reinforced polypropylene sheet ) are made from continuous glass fiber mat or needle mat reinforce modified polypropylene matrix

    Pp / gmt （ glassmatreinforcedpolypropylenesheet ）復合材料是連續玻璃纖維氈或連續玻璃纖維針刺氈為增強材料與改性聚丙烯為基體復合而成的一種片材。
  12. In this thesis two kinds of coupling agents and maleic anhydride ( mah ) grafted polypropylene ( pp - g - mah ) were employed to act as interface compatibilizers for pp / nano - sio2. master batches from pp ( 90 ), nano - sio2 ( 10 ) and coupling agent ( 1 ) were prepared by twin - screw extruder firstly

    本課題選用硅烷偶聯劑、鈦酸酯偶聯劑以及自製的馬來酸酐接枝聚丙烯作為pp sio _ 2復合體系的界面增容劑，採用母粒法擠出工藝制備了改性pp 。
  13. In this thesis we have studied the toughening and strengthing modifications of polypropylene ( pp ) by nano - particle such as cac03 ) si02 and ti02. the performance of modified polypropylene and the modifying mechanism have been introduced. we have also explored the furthest dosage of titanate coupling agent in cac03 / pp and the influence of coupling agent to the composites by the determination of the mechanical properties

    本課題主要研究納米caco _ 3 、 sio _ 2和tio _ 2粉體改性聚丙烯（ pp ）后材料的力學性能及其增強機理，同時還對鈦酸酯偶聯劑改性納米caco _ 3粒子的最佳含量以及偶聯劑的加入對復合材料的力學性能的影響進行了研究，並對納米caco _ 3粒子和微米caco _ 3粒子分別填充pp的力學性能進行了比較分析。
  14. The process and mechanisms of slipping, exfoliation to layered graphite and compounding with polypropylene ( pp ) on nano - scale were systemically studied. the effects of shearing force field offered by pan - milling and confined environment of the exfoliated graphite on the microstructure of polypropylene, the electrical and thermal conductivities of the nanocomposites were also investigated. based on the experimental results, a modified electrical conductive model as well as thermal conductive model for polymer - based composites was proposed

    利用層狀無機物（如石墨）的弱層間結構和聚合物的粘彈性特點，在磨盤碾磨剪切力場作用下，通過摩擦和拉伸形變錯位、擠壓嵌合、拉伸滑移、剪切剝離與粉碎和混合分散等過程，實現層狀無機物層間剝離和與聚合物的納米復合。
  15. In this study, the methods of decomposing polyethylene ( pe ) and polypropylene ( pp ) into fuel oil were studied

    摘要本文對聚乙烯和聚丙烯的混合物裂解成原料油進行了研究，在440條件下，不同比例的聚乙烯和聚丙烯被裂解。
  16. We use polypropylene ( pp ), polyethylene ( pe ) or co - polymers, which is a mixture of different polymers, for our sports yarns. quality raw materials are essential to the quality of sports yarns

    我們的運動草絲主要由聚丙烯或聚乙烯組成。優質的原料從根本上保證了草絲的質量。
  17. Firstly, after a great deal of investigation and research, the author chose polypropylene ( pp ) and poly ( glycolide - lactide ) ( pgla ) as the tubular fabric material and the acetic acid solution of chitosan as the coating material. polypropylene display superior biomechanical properties while the pgla fiber is characteristic of controllable biodegradability, and chitin integrate the excellent biological properties of both collagen and cellulose

    本文首先選定了人工氣管支架織物的編織原料為具有生物學惰性及良好力學性能的醫用丙綸和具有優良生物性能的聚乙丙交酯；由於甲殼素兼具高等動物組織中的膠原和植物纖維中纖維素兩者的優異生物特性，所以在本課題中採用的人工氣管塗層材料為殼聚糖乙酸溶液。
  18. The research on the polypropylene ( pp ) modified with nano - sized sio2 has been attended extensively

    利用無機納米粒子對聚丙烯（ pp ）改性近年來受到了普遍的關注。
  19. Specification for pressure - rated polypropylene pp piping systems

    額定壓力聚丙烯管道系統標準規范
  20. The non - isothermal crystallization kinetics of acrylamide graft polypropylene ( pp - g - am ) was studied by means of differential scanning calorimetry ( dsc )

    Ir譜圖證明了am已接枝到pp大分子鏈上。採用dsc方法研究了pp - g - am的非等溫結晶動力學。
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