The invention relates to a high melt strength polypropylene resin and the preparation method.
本发明涉及一种高熔体强度聚丙烯树脂及其制备方法。
Nevertheless foaming processing of PP is very difficult because of its high crystallinity and poor melt strength.
但由于PP的高结晶性，熔体强度低，其发泡成型较为困难。
High melt strength polypropylene (HMSPP) is an important product of polypropylene modification with wide application.
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 pp (HMSPP) had excellent physical and mechanical properties and its foamed products had wide applications.
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。
The PP with high grafting rate can improve the melt strength and the extensional viscosity of a PP system and the strain hardening.
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。
Studies and analyzes mechanical property, creep crack propagation resistance and melt strength of Qilu PE100 gas pipe speciality resin DGDB2480HBK.
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。
Moreover, by using a new kind of processing technology-the electro magnetic dynamic extrusion technology, the polymer melt strength can be reinforced.
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。
Experimental results showed that the melt strength was enhanced and the microcellular structure became more uniform when the Talc was added to the blend.
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。
The potential USES of high melt strength polypropylene in the field of extrusion foaming, thermoforming, extrusion coating and blown film were also introduced.
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 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.
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 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.
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。
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.
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。
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.
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 sample was characterized by melt flow rate and adhesion strength to aluminum.
用熔体流动速度和粘结强度表示试样的特征。
The melt viscosity and tensile strength of lithium ionomer increased with the sulfonate content increasing.
随离聚体中磺酸基含量的增加，锂离聚体的熔融黏度和拉伸强度增大。
Melt Spinning Processing Equipment (MSPE) was designed and manufactured in order to study the strengthening mechanisms of high strength Mg alloys produced by rapidly quenched solidification.
为了研究超高强度急冷快速凝固镁合金的强化机理，必须设计与制造急冷快速凝固单辊装置。论文设计并制造了单辊急冷快速凝固装置。
The half-cooked god will melt all by the half-cooked strength.
夹生之神将以夹生的力量融化一切。
Sintering and melting of coal ash is a key process of ash deposition in furnace of utility boilers. Melt structure characteristics is a determining factor in deposit growth and strength development.
煤灰的烧结和熔融是电站锅炉灰沉积的重要过程，熔体的结构特性是沉积物生长和强度形成的决定性因素。
PE pipe hot melt socket and hot melt docking interface tensile strength and blasting strength are higher than the pipe ontology.
聚乙烯管件热熔承插和热熔对接接口抗拉强度及爆破强度均高于管材本体。
Plasticized melt - spun HMWPE fiber is hard to draw to high strength because of high HMWPE content and more molecular tangle in as-spun fibers.
高相对分子质量聚乙烯的增塑熔纺，由于聚合物浓度较高，大分子缠结多，纤维超拉伸比较困难，难以达到高强度。
Meanwhile it shows that Y can purify melt, refine the grain, improve electrical conductivity and the tensile strength of the C194 alloy.
在C194合金中加入稀土Y具有净化、去杂、细化晶粒的作用，同时改善铜合金的导电性、抗拉强度及其他力学性能。
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。
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.
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。
The factors which influenced adhesive strength, curing speed of reactive polyurethane hot melt adhesive were studied.
考察了各因素对反应型聚氨酯热熔胶粘接强度、固化速度等性能的影响。
The matching use of the butyl rubber and the polyisobutylene with different molecular weights facilitates the improvement of the strength and workability of the transparent butyl hot-melt sealant.
本发明采用不同分子量的丁基橡胶及聚异丁烯配合使用，利于提高透明丁基热熔密封胶的强度及施工性能。
The effects of temperature and retaining time in mild melt treatment on the bonding strength, surface morphology and porosity of tin coating are studied.
研究了软熔处理温度与保温时间对锡镀层的镀层结合力、镀层表面形貌和孔隙率的影响。
The effects of temperature and retaining time in mild melt treatment on the bonding strength, surface morphology and porosity of tin coating are studied.
研究了软熔处理温度与保温时间对锡镀层的镀层结合力、镀层表面形貌和孔隙率的影响。
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