The properties of polypropylene(PP) by equal channel angular extrusion(ECAE) processing were investigated.
研究了模压成型聚丙烯（PP）经等通道转角挤压（ECAE）加工后的性能。
Polarizing microscopy and differential scanning calorimetry (DSC) were used to study the effect of carbon fiber on the crystallization of polypropylene (PP).
本文用偏光显微镜和示差扫描量热计（DSC）方法研究了碛纤维对聚丙烯结晶行为的影响。
The effect of some organic phosphates on the dynamic mechanical behavior of polypropylene (PP) was studied.
研究了有机磷酸酯成核剂对聚丙烯(PP)动态力学行为的影响。
Stabilization treatments of small bulk polypropylene( PP) resin were performed by using antioxidants and light stabilizers made in China.
选用国产抗氧剂和光稳定剂，对小本体聚丙烯树脂进行了稳定化试验。
In this paper, a new process of removing dissolved oxygen using hydrophobic polypropylene (PP) hollow fiber was offered and studied. The strength of the hollow fiber was measured.
提出并研究了一个利用疏水性中空纤维膜去除水中溶解氧的新工艺，测定了所采用的聚丙烯(PP)中空纤维膜的耐压性能。
A method for rapid quantitative determination of dibenzylidene sorbitol clarifying agents in polypropylene (PP) by Fourier transform infrared spectrophotometry (FTIR) was developed.
建立了用傅立叶红外光谱仪快速检测聚丙烯中二苄叉山梨醇类透明剂含量的方法。
The degradations of polystyrene(PS) and the mixture of PS/polypropylene (PP) in supercritical water were studied in this article.
对聚苯乙烯（PS）和聚苯乙烯（PS）与聚丙烯（PP）的混合塑料进行了超临界水降解实验。
This paper introduced the development of speciality polypropylene (PP) resin TJ 1036 lor spinning, which was produced with the chemical degradation process.
介绍了用化学降解法生产聚丙烯纺丝专用树脂TJ 1036的开发过程。
The transparent polypropylene (PP) special material for injection is prepared by adding nucleating agent to homopolymerized PP matrix.
以均聚聚丙烯(PP)为基体树脂，通过添加成核剂制备了注塑级透明pp专用料。
Bubble effect in aqueous slurry of powder polypropylene (PP) using poly (vinyl alcohol) (PVA) as the stabilizer which is used as a sort of raw materials in rotational moulding has been investigated.
研究了以粉状聚丙烯为原料、以聚乙烯醇(PVA)为稳定剂的旋转成型浆液料中的气泡效应。
The effect of silane coupling agent KH-550 as a compatibilizer in polypropylene (PP)/phosphate ester dibromoneopentyl glycol acid (PEA) composites was studied.
考察了硅烷偶联剂KH-550在聚丙烯（PP）/酸式二溴新戊二醇磷酸二酯（PEA）复合体系中的增容作用。
For many advantages of polypropylene(PP), so it is become the best part material for auto in recent years.
聚丙烯（PP）由于具有价格低、原材料丰富、力学均衡性好、耐化学腐蚀等特点，近年来成为最热门的汽车零部件材料。
The influence of laser transmission welding parameters for polypropylene (PP) plastics on welding quality is investigated by orthogonal design method.
利用正交实验方法，研究了聚丙烯(PP)塑料的激光透射焊接工艺参数对焊接质量的影响。
The varieties and action mechanisms polypropylene ( PP) flame retardants are presented. The research progress of PP flame retardants is reviewed.
本文综述了聚丙烯阻燃剂的种类和作用机理，并且介绍了聚丙烯阻燃剂的最新研究进展。
The results of TG indicate that blending Polyvinyl acetate (PVAC ) and polypropylene (PP) can improve the thermostability of PVAC.
热重（TG）的结果表明，聚醋酸乙烯酯（PVAC）与聚丙烯（PP） 共混后，其热稳定性增加。
Antistatic polypropylene (PP) was prepared by means of blending PP with antistatic agent.
通过共混复合的方法制备出具有抗静电性能的聚丙烯(PP)。
This paper reviewed current status and development trend of catalyst systems, technologies and grade developments of polypropylene (PP) in China.
综述了我国聚丙烯(PP)催化剂、生产工艺和产品开发的现状及发展趋势。
Antioxidants: Polymers such as polypropylene (PP) are not usable outdoors without appropriate stabilizers, because of the presence of readily removable hydrogen atoms on the tertiary carbon atoms.
抗氧剂：有的聚合物，如聚丙烯，如果其中不加适当的稳定剂，就 不能在户外使用，这是因为它分子中的叔碳原子上存在着易消除的氢原 子。
Pyrolysis and liquification of polypropylene (PP) were studied by using molten ZnCl2 as heat carrier.
以熔融氯化锌作为热载体，对聚丙烯(PP)的热解液化进行研究。
The typical technologies of impact modified polypropylene(PP)prepared in-situ in reactor were reviewed.
综述了反应器内生产抗冲改性聚丙烯（PP）的典型工艺。
Effects of properties, dosages, and blending methods of additives on the performance of polypropylene (PP) for medical products are probed.
以均聚聚丙烯为原料，研究了助剂种类、匹配、用量及加入方法等因素对医用聚丙烯专用料各项性能的影响。
The modified PP fiber was prepared by blending a dispersant, nano-calcium carbonate and polypropylene (PP) chips at a specific ratio.
将分散剂、纳米碳酸钙和聚丙烯(PP)切片按一定比例混合纺丝制得改性PP纤维。
The surface of polypropylene (PP) is inert and so is difficult to make conglutination with reinforcing fibers.
聚丙烯(PP)表面呈惰性，不利于与增强纤维的粘合。
This paper outlined the membrane separation technology and analyzed the application status of the technology in the propylene-nitrogen system of the polypropylene (pp) plant.
简要介绍了膜分离技术，并对膜分离技术应用于聚丙烯装置的丙烯-氮气系统的现状进行了分析。
Polypropylene (PP) is one of the most promising thermoplastic polymer. However, the use of polypropylene has been restricted because it is a kind of non-polar polymer.
聚丙烯(PP)是最具发展前途的热塑性高分子材料之一，但是，由于它是非极性聚合物限制了其使用。
The wood-polymer composite(WPC) was manufactured by twin-screw extruder with recycled polypropylene (PP) and wood powder as material.
以再生聚丙烯（PP）、锯末木粉为原料，采用双螺杆挤出机挤出造粒制备了塑木复合材料。
The effect on the toughening of polypropylene (PP) by styrene-ethyl ene propylene diblock copolymer (SEP) as well as EPDM was studied.
考察了苯乙烯-二元乙丙橡胶嵌段共聚物(SEP)和三元乙丙橡胶(EPDM)对聚丙烯(PP)的增韧作用。
Polypropylene (pp) has good physical and mechanical properties with rich sources and low price, and its foamed articles have wide applications in many fields.
聚丙烯(PP)具有优良的物理化学性能，来源丰富，价格便宜，PP泡沫产品在许多领域将有广泛的用途。
Polypropylene (pp) has good physical and mechanical properties with rich sources and low price, and its foamed articles have wide applications in many fields.
聚丙烯(PP)具有优良的物理化学性能，来源丰富，价格便宜，PP泡沫产品在许多领域将有广泛的用途。
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