熔体粘度
- 网络melt viscosity;melting viscosity;Pa.s
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纳米TiO2的加入明显降低了PET的熔体粘度。
Incorporation of nano TiO 2 lowered the melt viscosity of PET .
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基于复合材料中PP和PS组分的熔体粘度对温度敏感性的差别,通过改变加工温度的方法,研究组分的粘度差别对粘土优先插层行为的影响。
Based on different dependence of melt viscosity on temperature between PP and PS , the effects of viscosity on the preferential intercalation behavior of clay are investigated via changing the processing temperatures .
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Al熔体粘度的突变点及与熔体微观结构的关系
Abnormal changes in aluminum viscosity and its relationship with the microstructure of melts
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P元素亦能充当稀释剂而降低熔体粘度及表面张力,从而改善烧结致密度及组织均匀性;
Element P can also act as a fluxing agent to decrease the surface tension and viscosity of the melt , thereby improve the sintered densification and the microstructural homogeneity .
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对于改性剂R含量不同的低熔点聚酯,在后加工时应充分考虑到温度对熔体粘度的影响。
For these low melting point polyesters with different content of modifier R , the influence of temperature on viscosity of melt must be paid attention during post processing .
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YI使PVC熔体粘度大幅度减少,在硬质PVC中,YI用量在0.6~1.0PHR作用最明显;
The use of YI made the melt viscosity of PVC decreased greatly , which was most obvious when YI content was 0.6 ~ 1.0 phr in rigid PVC ;
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讨论了混炼剪切力、成型冷却方式和UHMWPE熔体粘度对材料力学性能的影响。
The influences of shear stress at mixing , cooling system in molding and melt viscosity of UHMWPE on mechanical properties of composites are discussed .
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结果表明,与常规聚酯(PET)相比,磷系阻燃共聚酯切片的结晶速率较低,结晶时间更长,热稳定性能更好,熔体粘度对温度更加敏感。
Result indicated that comparing with conventional PET , phosphorus series inflaming retarding copolyesters slices had lower crystallizing rate , longer crystallizing time , better thermal stability , and the melt viscosity was more sensitive to temperature .
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磁场条件下,Al-Fe合金熔体粘度-成分关系存在异常。
Under the magnetic field , there was an abnormal phenomenon in viscosity composition relationship of Al-Fe melts .
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测试了PET复合材料的力学性能和流变特性,研究了填料种类、含量和粒径对复合材料的拉伸强度、冲击强度以及熔体粘度的影响。
The mechanical and rheological properties of PET composites were measured . The effect of types , content and particle size of inorganic fillers on tensile strength , impact strength and melting viscosity of PET composites were investigated .
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详细考察了过氧化二异丙苯(DCP)用量、MAH/DCP配比以及挤出条件对接枝产物接枝率和熔体粘度的影响。
The effects of added amount of DCP , the ratio of MAH / DCP , and extrusion conditions on grafting ratio and melt viscosity of products were investigated .
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以聚丙烯(PP)/易水解聚酯(EHDPET)共混体系为研究对象,测试了共混组分在不同加工温度与不同剪切速率下的熔体粘度。
The melt viscosities of different components of polypropylene / easy hydrolytic degradation polyester ( PP / EHDPET ) blend system were measured at different spinning temperatures and shearing rates .
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通过测定LMPM/PP复合体系的流变曲线可知,加入少量LMPM,PP熔体粘度显著下降,表明液态LMPM对聚丙烯有明显的促流作用。
From the rheological curve of LMPM / PP composites , it is known that the viscosity of PP descends notably with small amount of LMPM addition .
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结果表明,芯层物料分布均匀性随芯/壳层熔体粘度比R值的减小而提高,这主要与芯层和壳层熔体的相对流动能力有关。
The results showed that the decrease of the viscosity ratio R of core / skin melts greatly effected the distribution of the core melt and gave rise to enhance the uniformity of the goods , owing to the relative fluidity of the skin and core melts .
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该方法扩链PBT的熔体粘度显著增加,凝胶含量低,热稳定性好,吸水性低,更利于PBT的储存、加工及应用。
PBT chain extended by this method has higher viscosity , lower gel content , better thermal stability and lower water absorption , which is advantage for storage , processing and application of PBT .
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随着CaF2含量增加,硅酸盐微结构单元种类和相对数量发生变化,硅酸盐网络化程度降低,熔体粘度减小。
The varieties and relative quantity of silicate microstructure units change with the increase of CaF2 content , and the extent of the silicate network decreases , therefore , the viscosity of melt reduces .
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对MH进行表面处理后,60wt%MH填充阻燃O-SEBS/PP复合物的拉伸强度得到一定的改善,但LOI有所降低,熔体粘度略有增大。
When MH were treated by different surface modifiers , the tensile strength of O-SEBS / PP composites filled with 60 wt % MH was improved to some degree , but the LOI values decreased , and the melt viscosity increased slightly .
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PI-1低聚物在280℃时表现出低的熔体粘度(<1Pa.s)和良好的熔体粘度稳定性,可用于RTM成型工艺制备树脂基复合材料;
PI-1 oligomers show low complex melt viscosity ( < 1Pa · s ) at 280 ℃ and are stable at this temperature , which mean PI-1 oligomers can be processed by resin transfer molding techniques .
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结果表明,UHMWPS最显著的流变特征为超高的熔体粘度和低剪切速率下出现不稳定流动。
It was found that the rheological behavior of UHMWPS is remarkably characterized by its unstable flow at low critical shear rate and ultrahigh melt viscosity .
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随7006A含量的增加,5200B/7006A熔体粘度及粘度对剪切速率敏感性降低,而温度敏感性增加。
The addition of 7006A made both the melt viscosity and its shear rats sensitivity of 5200B / 7006A decrease , however , its temperature sensitivity increases .
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当γa大于发生该现象的临界值后,试样的流动服从幂律;试样熔体粘度对温度的依赖关系符合Arrhenius方程。
The flow of the sample obeyed the power law basically as shear rate exceeded the critical shear rate which caused the phenomena , and the dependence of the sample melt viscosity on temperature was in accord with the Arrhenius equation under the experimental conditions .
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采用TLCP和聚醚砜(PES)对二氮杂萘联苯聚醚砜酮(PPESK)进行熔融共混改性,可知聚醚砜的加入降低了PPESK的熔体粘度,减小了PPESK与TLCP的粘度比。
Melting blends of poly ( phthalazinone ether sulfone ketone ) ( PPESK ) / poly ether sulfone ( PES ) / TLCP were prepared by two screw extruder . The melting viscosity of blends decreases with the addition of TLCP .
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此系列树脂在高温下熔融性良好,特别是a-BTPI-C系列,不仅具有相对较低的熔体粘度,并具有较好的力学性能。
The prepared thermo-plastic polyimide resin were in good high-temperature fusion , especially a-BTPI-C series , not only has a relatively low melt viscosity , also has good mechanical properties .
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找出了用控制熔体粘度在10Pa·s泊左右来选择纺丝最佳温度的方法,及用增加纺丝压力来提高可纺性的可能性。
The method of choosing the best spinning temperature with controlling melt viscosity at about 10 Pa · s , and the ability of enhancing the pitch 's spinnability with raising spinning pressure are suggested .
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一种新的多元金属熔体粘度预报模型
A new model to predict the viscosity of multi-component metallic melts
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高温熔体粘度仪在半导体熔体研究中应用
The application of melt viscometer at high temperature in semiconductor melt
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熔体粘度对共注成型影响机理的研究
Study on the influence of melt viscosity on co-injection molding
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PP/EHDPET共混体系熔体粘度对相转变的影响
Effect of melt viscosity on phase transition in PP / EHDPET blends
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等离子表面冶金熔体粘度的研究
Study on melt viscosity of alloy in surface metallurgy by plasma beam
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线型聚乙烯熔体粘度约化曲线表达
An expression of master viscosity curve for linear polyethylene melt