PBT exhibits good chemical stability, fast crystallization rate and excellent processing property.
PBT本身具有化学稳定性好、结晶速度快、加工成型方便等优势。
A kind of PET/GF composite with good mechanical properties and rapid crystallization rate was prepared.
制备了结晶速率快、力学性能优异的玻纤增强聚对苯二甲酸乙二酯(PET/GF)。
A polyester which stably forms fibers even in high-speed spinning and has a controlled crystallization rate.
本发明的主要目的是提供一种即使在高速纺丝下也稳定地形成纤维的、抑制了晶化速度的聚酯。
However, there still exist some shortcomings such as hard rigidity, poor toughness and low crystallization rate for PET.
但是,PET在使用过程中存在着刚性强、韧性差、结晶速率低等缺点。
Because of the introduction of APP, PP/APP′s equilibrium melting point rose slightly and crystallization rate rose markedly.
引入APP后,PP/APP复合材料的平衡熔点升高,结晶速率大幅度提高。
The isothermal crystallization kinetics indicate that the graft group can accellerate the crystallization rate of PP, and doesn't …
等温结晶动力学的研究表明接枝物结晶的成核方式不发生改变。
In addition, high draw ratio will increase the melting point and crystallization rate of the soft segments for both types of segmented copolymers.
此外,高倍拉伸会提高上述二类多嵌段共聚物中软链段结晶的熔点和结晶速率。
With the increase of molecular weight, the crystallization rate of nylon 1010 becomes slower and the folded chain surface energy accordingly increases.
随着分子量的增大,尼龙1 0 1 0结晶速率变慢,其片晶的侧面自由能增大。
The experimental results indicated that the crystallization rate increased by increasing interaction between PVDF and diluent or increasing the cooling rate.
实验结果表明结晶速率随着聚合物与稀释剂之间的相互作用的减小或者冷却速率的增大而增大。
Increasing the carbon nanofiber contents, or reducing the diameter of the carbon nanofiber, the influence becomes more obvious, but the crystallization rate rises...
提高纳米碳纤维含量或减小纳米碳纤维直径,PP结晶行为的上述变化更为明显,但结晶速率随纳米碳纤维含量出现先减小后增大的趋势。
The invention relates to a method for quickly crystallizing polylactic acid, which reduces the crystallization rate of polylactic acid by adding novel organic nucleating agent.
本发明涉及一种聚乳酸快速结晶的方法。该方法通过加入新型有机成核剂来缩短聚乳酸的结晶速率。
Calculation shows that the crystallization activation energy of nylon 1010 is lower than that of its composites. The sensitivity of crystallization rate to temperature is enhanced.
对尼龙1010及其复合材料样品结晶活化能的计算表明,后者高于前者,结晶速度对温度的敏感性增加。
The results's demonstrate that the crystallization rate of PET increases at first and then decreases with increasing PC content if the blends are crystallized from the glassy state.
结果在明,从玻璃态结晶时,随着PC含量的增加,PET 组分的结晶速率先增加后降低。
The practice shows that the technology has advantages of rapid crystallization rate, small reactor volume, and rapid solid-liquid separation. It shows a broad prospect for application.
实践表明,该技术结晶速度快、反应器容积小、固液分离快,具有较好的应用前景。
The results show that the carbon nanofiber can heighten the crystallization temperature of polypropylene and lower its crystallization rate and degree of crystallization in small extent.
结果表明:纳米碳纤维可提高PP的结晶温度,但略降低其结晶速率和结晶度。
The effect of grafting on the crystallization and dynamic mechanical properties of PP have also been investigated by the determination of the crystallization rate and dynamic mechanical loss.
通过测定结晶速率和动态力学损耗的方法研究了接枝对聚丙烯的结晶行为和动态力学性质的影响。
It is found that there are chemical reactions between nucleating additives and PET in the melt state, resulting in the change of molecular weight and crystallization rate of PET in some degree.
结果表明,由于成核添加剂与PET之间在熔融态下存在化学反应,导致PET有不同程度的分子量下降,同时PET结晶速率发生变化。
That is, in electroplating process when the generation of the nucleation speed is greater than the growth of the nucleation rate, it can get meticulous, crystallization of closely spaced coating.
也就是说,在电镀过程中当晶核的生成速度大于晶核的成长速度时,就能获得结晶细致、排列紧密的镀层。
Practice shows that improve the metal electrical crystallization in the cathode polarization effect, can improve the generation of the nucleation rate, easy to get crystallization meticulous coating.
实践表明:提高金属电结晶时的阴极极化作用,可以提高晶核的生成速度,便于获得结晶细致的镀层。
The generation of the nucleation speed is greater than the growth of the nucleation rate, the greater the degree of coating crystallization, close the meticulous.
晶核的生成速度大于晶核成长速度的程度越大,镀层结晶越细致、紧密。
The crystallization growth rate of glutamic acid increases and the induction period decreases with the increase of supersaturation.
晶体生长速率随相对过饱和度增加而增加,而结晶成核诱导期随相对过饱和度的增加而缩短。
The crystallinity of PLA has great influence on its mechanical properties and degradation rate, so the crystallization behavior of PLA has also attracted many researchers to widely research.
聚乳酸的结晶性能对其力学性能和降解速率有着重要的影响,因而其结晶行为也逐渐成为人们研究的热点。
Mixing phenomna in industrial crystallization, and effects of mixing characteristics on the crystal growth rate were discussed using the principles and methods of chemical reaction engineering.
运用化学反应工程的观点和方法研究了工业结晶过程中流体的混合状态及其对晶体生长速率的影响。
Parameters effecting on dry fractionation of lard are crystallization temperature, cooling rate, crystal growing time, agitation rate, separating manner.
影响猪油干法分提参数有:结晶温度、冷却速率、养晶时间、搅拌速率及分离方式。
The characteristic temperatures are gradually tended to high temperature zones with DSC heating rate increase, where the dynamic effect of crystallization is much higher that of glass transition.
这些特征温度随dsc升温速率的增大,不断向高温区偏移,其中晶化行为的这种动力学效应比其玻璃转变的更为显著。
The highly undercooled was need for UHMWPE crystallization with the increasing of cooling rate.
冷却速率增加,UHMWPE需更高的过冷度才能结晶。
This paper demonstrates the efficient method of process control based on the batch raw sugar crystallization mechanism model to improve the crystal rate , shorten the crystal time and the wastage.
本文的主要工作就是基于间歇式入料蔗糖结晶机理模型的基础上研究蔗糖结晶过程控制的有效方法,以提高蔗糖结晶的速度、缩短煮糖时间、降低能耗。
This paper demonstrates the efficient method of process control based on the batch raw sugar crystallization mechanism model to improve the crystal rate , shorten the crystal time and the wastage.
本文的主要工作就是基于间歇式入料蔗糖结晶机理模型的基础上研究蔗糖结晶过程控制的有效方法,以提高蔗糖结晶的速度、缩短煮糖时间、降低能耗。
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