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- The crystallinity of polypropylene with different melt flow rate (MFR) are measured by X-ray method. 用X射线法测定了不同熔体流动速率下聚丙烯材料的结晶度。
- The melt flow rate (MFR) impacting to crystallinity and properties of polypropylene (PP) was studied. 研究了聚丙烯(PP)熔体流动速率(MFR)对结晶度及性能影响。
- The aim of this dissertation was to develop propylene copolymer TJPP-2027 with high melt flow rate(MFR) and impact strength. 本工作的主要目标是开发生产高流动性抗冲击聚丙烯注塑料TJPP-2027。
- The effects of the agent system on the modification were investigated by testing melt-strength,melt viscosity,the changes of melt flow rate(MFR) and gel content. 通过熔体强度、熔体黏度测试和熔体流动速率(MFR)、凝胶含量的变化研究了试剂体系对接枝交联改性的作用。
- The antioxidant presented excellent performance by the tests of oxidation induction time (OIT)，melt flow rate (MFR)，tensile strength and elongation when used in PP. 将该产品应用于聚丙烯中，氧化诱导期、熔体流动速率、拉伸强度和断裂伸长率测试结果表明其具有良好的抗氧作用。
- Affect the melt flow rate and the cooling speed. 会影响熔体的流动性和冷却速度。
- An improved OSC method is proposed and an application of this method combined with partial least squares (PLS) method to soft sensing of polypropylene melt flow rate (MFR) is demonstrated. 提出一种改进的OSC方法，并将该方法结合部分最小二乘(PLS)方法用于聚丙烯熔融指数软测量建模。
- It is pointed out that the testing conditions of plastics properties should near the production and application conditions as far as possible by taking melt flow rate ( MFR) for an example. 以熔体流动速率为例,阐述塑料性能测试条件应尽量接近生产和使用条件。
- The results show that the elastomeric MMA copolymer R,which is partially compatible with PC,is a very efficient toughening agent and improves the melting flow rate(MFR) for PC. 它是PC非常有效的增韧剂,同时,可以改善PC的加工流动性,二者共混可望开发出有重要实际意义的塑料合金。
- The developing process of CRM of polypropylene melt flow rate has been introduced. 介绍聚丙烯熔体流动速率标准物质的研制过程。
- Besides,60/40/2/3 HIPS/lPC/PMPI/BCP showed similar melt flow rate and mechanical properties with those of 60/40/3 HIPS/hPC/BCP. 此外 ,共混物 60 /4 0 /2 /3HIPS/lPC/PMPI/BCP与 60 /4 0 /3HIPS/hPC/BCP的流动性以及力学性能也非常接近。
- Factors influencing the graft ratio and melt flow rate of LDPE were studied based on the melt extrusion of methyl acrylic acid (MAA)grated onto LDPE. 通过聚乙烯熔融挤出接枝甲基丙烯酸(MAA),研究了各种因素对LDPE接枝率及熔体流动速率的影响。
- The results showed that high quality fiber Z30S was obtained including low ash content, high isotacticity and good stability of melt flow rate. 从而使得纤维料Z30S产品的灰分降低,等规度提高;同时产品熔体流动速率的稳定性也得到了提高,获得了高品质的纤维料Z30S。
- Addition of TPU into ABS improved the melt flow rate and toughness of the latter simultaneously.The melt flow rate of the blend rose with increasing TPU content. 共混物的熔体流动速率随着TPU含量的增加而提高,缺口冲击强度则在ABS/TPU(质量比)为80:20时最佳。
- Keywords Polypropylene;Melt flow rate（MFR）;Crystallinity;Mechanical property; 聚丙烯;熔体流动速率;结晶度;力学性能;
- The melt flow indexes of 8 kinds of ABS resins were tested by means of melt flow rate instrument, and the rheological behaviors of the resins were studied by means of capillary rheometer. 摘要用熔体流动速率仪测定了8种ABS树脂的熔体质量流动速率，并用毛细管流变仪对8种ABS树脂流变性能进行了研究。
- The influence of elastomers NBR and SBS on the mechanical properties and melt flow rate of ABS/PBT alloys was studied.The compatibility of the alloy systems was analyized by means of SEM. 摘要研究了弹性体NBR和SBS对ABS/PBT共混合金体系的力学性能和熔体质量流动速率的影响，并对共混合金的相容性进行了研究。
- The melt flow indexes of 8 kinds of ABS resins were tested by means of melt flow rate instrument, and the rheological behaviore of the resins were studied by means of capillary rheometer. 用熔体流动速率仪测定了8种ABS树脂的熔体质量流动速率,并用毛细管流变仪对8种ABS树脂流变性能进行了研究。
- The paper discussed the influences of the melt flow rate,long branched chain and the copolymerized monomer of polyolefin on the melting strength. 考察聚烯烃熔体流动速率、长支链、共聚单体等因素对其熔体强度的影响。
- Polypropylene/nano-montmorillonite (PP/MMT)nano composite was prepared by direct melting intercalation method.Mechanical properties and melt flow rate were measured. 通过直接熔融插层法制得聚丙烯/纳米蒙脱土复合材料,测量了复合材料的力学性能及熔体流动速率。
