本文利用偏光显微镜研究了尼龙1010球晶的转化。发现在降温过程中放射状球晶多转变成相同光性的环状球晶。升温时正环状转化为正放射状球晶;正、混合放射球晶部分转化为负放射状球晶;黄蓝两瓣球晶在一定温度范围内可与负放射球晶相互转变。多种球晶共存时,混合放射球晶可转变成两瓣、不对称四瓣和六瓣形放射球晶;正、...
A displacement鈥揺lectric hysteresis loop was obtained for a slowly cooled sample of nylon 93, and the remanent polarization was calculated to be 0.543鈥塁鈥塵鈭? for the slowly cooled sample at 75鈥壜癈. The structure of nylon 93 was investigated in detail to clarify the origin of these ...
A comparative analysis of the crystal structure of nylon 3,5 and nylon 5,7 was carried out. Lamellar crystals of both compounds were grown from diluted solutions and examined by electron microscopy and X-ray diffraction. A structure with chains in fully extended conformation was the only ...
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of the nanocrystalline β-sheets and amorphous regions in determining the properties of spider silk fibres, endowing them with strength and elasticity. Additionally, we outline imaging techniques and modelling studies that elucidate the importance of the hierarchical structure of silk fibres at the ...
Besides, the study was also investigate the compatibility of PA 6/ABS and to examine the structure morphology of its blends. For sample preparation, the pellets of PA 6 and ABS were extruded at the different composition using twin screw extruder and then being moulded using injection moulding ...
The different types of crystal form appear under different crystalli-zation conditions. It has been reported that a metastable hexagonal structure is observed in as-spun nylon 6 fibers [8–13]. However, the mechanism by which this structure forms during the melt spinning process has not been ...
Muscles affect the bone structure of your body and the way clothes fit – which is why it is so important to know about them. Today, you can find many people taking supplements for bigger muscles. By doing some research, you can find the best hgh supplement. Here, we will discuss some...
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