综述了发泡高熔体强度聚丙烯材料的应用。
结果表明，PETG的熔体强度可以进行调节。
From experiment results, it can be found that the PETG melt intensity can be controlled.
本发明涉及一种高熔体强度聚丙烯树脂及其制备方法。
The invention relates to a high melt strength polypropylene resin and the preparation method.
但由于PP的高结晶性，熔体强度低，其发泡成型较为困难。
Nevertheless foaming processing of PP is very difficult because of its high crystallinity and poor melt strength.
接枝率高的PP，可提高PP体系的熔体强度和拉伸黏度及其应变硬化。
The PP with high grafting rate can improve the melt strength and the extensional viscosity of a PP system and the strain hardening.
高熔体强度聚丙烯具有优异的物理机械性能，其发泡制品拥有广泛的用途。
High melt strength pp (HMSPP) had excellent physical and mechanical properties and its foamed products had wide applications.
高熔体强度聚丙烯(H MSPP)是聚丙烯的一种重要改性产品，具有广泛的用途。
High melt strength polypropylene (HMSPP) is an important product of polypropylene modification with wide application.
研究结果表明，滑石粉的加入使体系的熔体强度提高，发泡样品的泡孔结构变得更均匀。
Experimental results showed that the melt strength was enhanced and the microcellular structure became more uniform when the Talc was added to the blend.
介绍了聚丙烯熔体强度的表征方法及影响因素，综述了提高聚丙烯熔体强度的几种方法。
The expression methods and the influencing factors of high melt strength polypropylene were introduced, different several methods of increasing the melt strength of polypropylene were reviewed.
课题研究的关键是长支链接枝PP的生成以提高熔体强度以及降解、交联副反应的控制。
The hinges of this study included the formation of longer side chains in order to acquire higher bath strength and the control of degradation of iPP and cross-linking side reactions.
用双螺杆挤出机和动态硫化技术制备出了综合力学性能好、熔体强度高的聚丙烯复合材料。
Dynamic - vulcanization PP composites were prepared with twin - screw extruder and dynamic - vulcanization technology.
同时还介绍了高熔体强度聚丙烯在挤出发泡、热成型、挤出涂布以及吹塑薄膜等领域的应用情况。
The potential USES of high melt strength polypropylene in the field of extrusion foaming, thermoforming, extrusion coating and blown film were also introduced.
高熔体强度和热稳定性允许这些树脂较大的模具开口和高温画式的技术，从而增加处理速度使用。
The high melt strength and heat stability of these resins permit the use of relatively large die openings and high-temperature draw-down techniques, which increase processing rates.
文章综述了制备高熔体强度聚丙烯的制备方法，主要有直接聚合法、辐射接枝交联法、硅烷接枝交联法等。
The producing methods of HMSPP were discussed, including direct polymerization, radiation grafting and cross-linking, silane grafting and cross-linking, and so on.
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 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.
然后在PP/HDPE共混体系中加入少量滑石粉，研究滑石粉的含量对共混体系熔体强度及微孔发泡过程的影响。
Then a small quantity of Talc was added to PP/HDPE blend in this study. Effects of the Talc content on the melt strength and microcellular foaming process of the blended system were investigated.
综述了国内外高熔体强度聚丙烯的研究进展和应用前景，并简述了高熔体强度聚丙烯在挤出涂布和发泡等方面的应用。
The paper reviews the development and prospect for application of high melt strength polypropylene (HMSPP) home and abroad, and briefly introduces the USES for extrusion coating and foaming of HMSPP.
寻找简单易行，成本低廉，行之有效的高熔体强度聚丙烯(HMSPP)的制备方法是制备聚丙烯发泡材料的最关键的技术。
It is the most pivotal technology to research for a simple, low costing and effective method of preparing high-melt-strength PP (HMSPP).
对齐鲁PE100级燃气管专用料DGDB2480HBK的力学性能、耐慢速裂纹增长性能、熔体强度等进行了研究与分析。
Studies and analyzes mechanical property, creep crack propagation resistance and melt strength of Qilu PE100 gas pipe speciality resin DGDB2480HBK.
通过反应挤出法对聚丙烯（PP）进行硅烷接枝交联改性获得高熔体强度PP（HMSPP），并对HMSPP的发泡性能及影响因素进行了研究。
The producing methods of HMSPP were discussed, including direct polymerization, radiation grafting and cross-linking, silane grafting and cross-linking, and so on.
同时提出了一种新型的加工技术，电磁动态挤出成型技术可以有效地提高聚合物熔体的强度。
Moreover, by using a new kind of processing technology-the electro magnetic dynamic extrusion technology, the polymer melt strength can be reinforced.
分析比较被熔射金属包镶的金刚石与被热压烧结的金属粉末包镶的金刚石，以及与其包镶体之间的结合强度的差异。
And also, the difference of combination intensity of diamond and its binding body made by hot-pressing sintering or by plasma-spray forming was analyzed and compared in the same way.
随着熔体拉伸比的增大，复合丝拉伸强度大幅度提高，达到了良好的原位增强效果。
With the increasing of drawing ratio, the tensile strength of composilefibres is enhanced greatly and good in-situ reinforcement can be obtained.
用熔体流动速度和粘结强度表示试样的特征。
The sample was characterized by melt flow rate and adhesion strength to aluminum.
用熔体发泡法制备出了高强度稀土泡沫铝合金。
High strength rare earth foam aluminium alloy is prepared in our laboratory by smelting bubble system.
研究结果表明：相同熔体流动速率的CR -PP与氢调法pp比较，CR - PP的冲击强度高，氢调法pp的断裂伸长率高。
The results showed that in the same MFR, CR-PP has higher impact strength and HM-PP has higher elongation.
结果表明，随阻燃剂的增加熔体的表观粘度下降，并且阻燃纤维的断裂强度也下降。
Experiments reveal that the apparent viscosity of the melt flameretardant PP decreases with increasing additive. The breaking strength of flameretardant PP fiber decreases with increasing additive.
确定模具型腔时，应考虑使其在高压熔体的作用下具有足够的强度与刚度，又不使模具过于笨重。
When definite mold die space, should consider that enables it to have the enough intensity and the rigidity under the high-pressured melt function, does not cause the mold to be too unwieldy.
结果发现，在尼龙6中添加pamam后，尼龙6的拉伸强度、断裂伸长率、缺口冲击强度及熔体流动速率均有所提高，PAMAM添加量为1.0%时效果最佳。
The results show that the tensile strength, breaking elongation, impact strength and MFR of nylon 6 increase simultaneously after some PAMAM were added. The optimum increment is 1.0%.
结果发现，在尼龙6中添加pamam后，尼龙6的拉伸强度、断裂伸长率、缺口冲击强度及熔体流动速率均有所提高，PAMAM添加量为1.0%时效果最佳。
The results show that the tensile strength, breaking elongation, impact strength and MFR of nylon 6 increase simultaneously after some PAMAM were added. The optimum increment is 1.0%.
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