The authors discovered directional arrangement of feldspar and mica microcrystals and elongated spherulite in the hight-p experimental products. 在高温高压实验产物中发现了长石和云母定向排列以及球粒被拉长并定向排列的现象。
A large number of microbes can mediate the formation of carbonate spherulite. 不少微生物都具有形成球状碳酸盐矿物的能力。
Tailing the process of carbonate spherulite formation is the key to understand the mechanism. 对形成过程的动态跟踪研究是了解球状碳酸盐矿物形成机理的关键。
At the same time, MB could decrease the spherulite size and the crystallization degree of polypropylene. 结果表明,成核剂MB较好地改善了聚丙烯的力学性能以及熔体流动性能,降低了聚丙烯球晶尺寸。
A study on spherulite growth rate and morphology of polypropylene-based blends by image processing technology 应用数字图象分析处理聚丙烯及其共混物球晶的生长和形态
Study on the spherulite morphology and birefraction of diluent-isotactic polypropylene 稀释剂-等规聚丙烯体系球晶形态和双折射的研究
The latest research developments in the field of modifying polypropylene by means of decreasing the spherulite size were reviewed. 对聚丙烯结晶细化领域的研究及进展进行了综述。
The spherulite morphology and mechanics behaviors of homo-and co-polypropyleneare studied. 研究了均聚和共聚聚丙烯的球晶形态及其与力学特性的依赖关系。
A Structure and Mechanism of the Graphite Spherulite in Cast 铸铁中球状石墨的结构和生长机制
POM results show that the dispersed morphology of MH plays an important role in the crystalline morphology and spherulite size of PP crystals. POM结果暗示了MH粒子在基体中的分散性对PP球晶的晶粒形貌和晶粒尺寸起着十分重要的作用。
Application of Digital Image Analysis to the Study of Banded Spherulite During Growing and Melting Process 应用数字图象分析研究环球晶的生长和熔融过程
The DSC and polarizing microscopy showed that the degree of crystallinity and the spherulite size of polypropylene in the blends decreased with increasing content of polyester-polyether block copolymer added. DSC和偏光显微镜图分别表明共混物中聚丙烯结晶度以及球晶尺寸随聚酯-聚醚的混入量而变小。
The crystallization of MC Nylon was induced and the degrees of crystallization of MC Nylon were enhanced by addition of PAM. The spherulite structure and α crystal style were kept also. DSC和TGA热分析结果表明,PAM的加入,对尼龙6的结晶起了诱导结晶作用,但未改变铸型尼龙的α晶型、球晶结构,而热稳定性提高;
The growth of β crystal spherulite in isotactic polypropylene ( IPP) and its morphological structure are observed by polarized microscope. 本文报导了用偏光显微镜观察IPP切片中β球晶的生长过程和形态;
This result shows that TM-3 has evident ability to facilitate spherulite growth of iPP. 结果证实,TM-3具有明显促进iPP球晶生长的能力。
The morphology and orientation of spherulite in PBT fiber 聚对苯二甲酸丁二酯(PBT)球晶形态结构和取向的研究
The spherulite morphology of PA1010/ 6 crystallizing at different conditions was studied by PLM and SEM. 在正交偏光显微镜(PLM)和扫描电镜(SEM)下观察了不同结晶条件下PA1010/6共聚物结晶及球晶形态。
The morphology of polyethylene spherulite in two deformation steps before and after annealing was investigated under the polarizing microscope. 用偏光显微镜研究了处于两个形变阶段的聚乙烯球晶在退火前后的形态,发现形变的第一阶段是可逆的,属弹性形变;
Polarized light microscopy revealed the decrease of spherulite size. 偏光显微镜观察表明有剪切历史的样品,球晶尺寸减小。
A high-crystalline polyimide powder with coral-like morphology, a polyimide banded spherulite and polyimide films with low-order aggregation structure were obtained through these imidization procedures, respectively. 通过这3种不同的热酰亚胺化工艺处理,分别得到了珊瑚形的半晶结构的聚酰亚胺粉末,聚酰亚胺的环带球晶以及具有低有序性的聚酰亚胺薄膜。
Analysis on unusual spherulite of pet and PBT PET和PBT变态球晶的结构分析
The morphology of spherulite and mat-crystal structure in PPTA films coagulated from pure sulfuric acid solutions under different conditions has been studied by light scattering method. 采用光散射方法研究了聚对苯二甲酰对苯二胺(PPTA)浓硫酸溶液于不同凝固条件下成膜时得到的球晶和草席晶等结构。
A study of spherulite and crystallization of blend pe/ pvc with compatibilizer hpb-b-pmma HPB-b-PMMA增容PVC/PE共混物球晶和结晶行为研究
The density of crystal nucleus can increase obviously and the spherulite size can decrease markedly after self-seeding nucleation process is applied. 使用自晶种成核方法可以有效提高PTT的成核密度,降低球晶的尺寸。
Compared with isotactic polypropylene, DP has a lower melting point, crystallization temperature, crystallization enthalpy and crystallinity as well as a broader melting distribution and smaller spherulite size. With ethylene content increasing, the crystallinity of DP further decreases. 与等规PP相比,DP的熔点、结晶温度、结晶焓、熔融焓和结晶度都大大降低,熔限变宽,球晶尺寸变小,并且随着DP中乙烯含量的增加,结晶性能进一步变差。
POM analysis showed that the PLLA-POSS hybrids made PLLA nucleation density increased, and spherulite became dense. POM分析表明PLLA-POSS杂化材料的使聚乳酸结晶成核密度增大,球晶变得密集。
The crystallization behaviors and spherulite morphologies of PLA were studied by DSC and polarized optical microscopy ( POM). The results show that compared to cyclodextrin, PLA-IC can accelerate the crystallization rate of PLA. 利用DSC和偏光显微(POM)手段研究了PLA结晶行为和球晶形态,实验结果表明与α-环糊精相比,PLA-IC能够明显提高PLA的结晶速率和成核密度。