聚酯弹性体设计用于吹塑或处理技术要求高熔体粘度。
A thermoplastic polyester elastomer designed for blow molding or processing techniques requiring high melt viscosity.
分析认为,合金熔体粘度大有利于非晶形成能力的提高。
The analysis indicates that the higher viscosity is beneficial for improving the glass forming ability.
成型收缩率小,尺寸稳定性好,熔体粘度小,易成型加工。
Molding shrinkage of small, good stability, melt viscosity size is small, easy forming process.
但若P元素过量时,则会因熔体粘度过低而导致球化现象。
Whereas, with excessive P addition, an extremely low melt viscosity causes balling phenomena.
热塑性聚酯弹性体设计用于吹塑或处理技术要求高熔体粘度。
A thermoplastic polyester elastomer designed for blow molding or processing techniques requiring high melt viscosity.
但较低熔体粘度的聚合物中,FS还不能直接有效地解离成纳米单晶。
However FS can't be well separated in some polymer matrices with low viscosity.
高增韧,热稳定挤出,吹塑或处理聚酰胺612熔体粘度高,要求其他技术。
Highly toughened, heat stabilized polyamide 612 for extrusion, blow molding or processing by other techniques requiring high melt viscosity.
然而,此聚合物的假塑性不如低密度聚乙烯好,因此在加工时的熔体粘度较高。
However, the polymers are less pseudoplastic than LDPE, so melt viscosities are higher during processing.
此外还预测了扩张机头流道长度,面积扩张比、塑料熔体粘度对取向度也有影响。
It is also predicted that the orientation ratio responds to the die channel length, the channel area expanding ratio of die and plastics melt viscosity.
丙交酯在甘露糖醇分子上引发聚合得到的ML—PLLA具有低熔体粘度的特性。
ML-PLLA was synthesized by ring-opening polymerization of L-lactide in the presence of mannitol, it has the characteristic of low melt viscosity.
随着PEO含量的增加,TPS/PEO共混物的熔体粘度下降,有利于塑化加工。
TPS/PEO melt viscosity decreased with the increase of PEO content that made it easily processed.
影响等离子表面冶金熔池中合金熔体粘度的主要因素是电流和粉末体系中的合金元素。
The electric current and alloy elements in powder system are major factors for influencing melt viscosity in surface metallurgy by plasma beam.
讨论了共混物的组成、剪切应力和剪切速率以及温度对熔体流变行为、熔体粘度的影响。
Influences of composition of the blends, shear stress, shearing rate and temperature on the rheological behavior and viscosity of the melt were discussed.
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.
为了阐明转变的性质,用毛细管流变仪和微型平板粘度计研究了其熔体粘度的温度依赖性。
In order to clarify the nature of the transition, the changes of melt viscosity with temperature and shear rate were investigated by capillary rheometer and micro-parallel type rheometer.
较低的分子量和较高的温度有利于提高临界剪切速率,改善挤出物外观质量和降低熔体粘度。
Moreover, the low molecular weight and higher temperature are favorable to reduce the melt viscosity, to increase the critical shear rate and to improve the apparent quality of extrudates.
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.
再生铝中含有增粘剂和发泡剂的钙类残存物,导致再生铝熔体粘度过大,不宜直接用于制备泡沫铝。
However, recycled aluminum contains tackily agent and calcium remnants of foaming agent, which make the viscosity of aluminum melt too high to preparation of aluminum foam.
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.
研究发现环状聚芳醚酮齐聚物熔融温度低,熔体粘度小,具有良好的流动性,十分有利于充模成型及浸渍增强纤维。
The melt viscosity of the cyclic oligomer is very low which is necessary to impregnate the carbon reinforcement well.
随着非牛顿剪切速率的增加,PP及其共混物的熔体粘度明显下降,表现出剪切变稀现象,呈现假塑性流体的流动特征。
As the non-newtonian shear rate increasing, the melt viscosity of the PP and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.
随着非牛顿剪切速率的增加,PA 6及其共混物的熔体粘度明显下降,表现出剪切变稀现象,呈现假塑性流体的流动特征。
As the non-newtonian shear rate increasing, the melt viscosity of the PA6 and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.
MF R采用的数值是在一定的条件下通过口模的聚合物熔体的重量,所以MF R越大,熔体粘度越低,而材料的流动性就越好。
The quoted MFR value is the weight of polymer melt flowing through an orifice in specified conditions, so the higher the MFR value, the lower the melt viscosity and the easier the material will flow.
测试了改性环氧树脂胶膜熔体粘度对固化温度和时间的依赖性,将缝合与未缝合复合材料层合板试样的基本力学性能进行了试验对比。
Viscosity of the RFI resin film as a function of curing temperature and time were tested respectively. The mechanical properties of stitched and unstitched composite laminates were evaluated.
用新型旋转扭矩探测仪对铝合金熔体增粘过程中的粘度进行了实时检测和控制,研究了熔体粘度的变化规律以及粘度对孔结构的影响规律。
The real time measurement and control of the viscosity were achieved in the preparation process of al and al alloy, revealing the rule of viscosity change as well as the influence on pore structure.
在纺丝过程中,要严格控制煤沥青熔体的粘度、纺丝温度、压力、卷绕速度等主要参数。
The main parameters of viscosity, spinning temperature, pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning.
玄武岩熔体的粘度-温度关系和析晶性能是研究玄武岩纤维制备过程最重要的物性参数。
The viscosity and crystallizability of basalt melt are the most significant parameters in studying basalt fiber.
利用高压毛细管流变仪对SEBS和TPU的流变性能进行了研究。结果表明,SEBS熔体流动表现为非牛顿性,粘度随剪切速率增加而降低。
The rheological results of SEBS and TPU by means of high pressure capillary indicates that SEBS is non-Newton fluid, the viscosity decreases when the shear rate increases.
利用高压毛细管流变仪对SEBS和TPU的流变性能进行了研究。结果表明,SEBS熔体流动表现为非牛顿性,粘度随剪切速率增加而降低。
The rheological results of SEBS and TPU by means of high pressure capillary indicates that SEBS is non-Newton fluid, the viscosity decreases when the shear rate increases.
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