Typical evolution of the viscoelasticity during the isothermal and quiescent crystallization process
of PLA could be exemplified by Fig.
8a) germs appear progressively during crystallization process
, it is a sporadic germination.
However, the experimental results uniquely indicate that there was still a low-temperature crystallization process
, leading to a VLTCP, as it is obvious from Fig.
Therefore, the Avrami equation is typically used to provide kinetic aspects of the crystallization process
The work is organized as follows: (a) Frequency scans of small amplitude oscillatory flow tests are carried out to determine the aspect ratio of the graphene in the polyamide matrix, as well as to try to find the percolation threshold, (b) A nanocomposite of 8 wt% graphene concentration is taken as a reference for studies of the temperature and pressure effects on viscosity, in conditions similar to polymer processing, (c) The evolution of the dynamic viscoelastic functions with time is analyzed to investigate the crystallization process
of the nanocomposites at a temperature of 200[degrees]C, following the works that use the evolution of the elastic and loss moduli with time to study polymer crystallization [35-45].
These results are consistent with the statement that the cold crystallization process
of PLA undergoes the transition from glass to crystalline structure, through the formation of [alpha]' and then a form on the way of heating.
The samples were kept isothermally until the crystallization process
was completed, with photographs automatically taken during the crystallization process
DCCS(TM) provides maximum flexibility, control and reproducibility of the protein crystallization process
and in application has demonstrated a 70 percent success rate compared with an approximate 20 percent success rate shown for the application of other protein structure technologies on the market.
GT Solar has enabled new market entrants in the PV industry to establish productive and profitable manufacturing operations with its proven crystallization process
technology and global support resources.
Jeziomy modified the Avrami equation to solve the non-isothermal crystallization process
on the basis of DSC curves.
The Tg Soda Ash technology will recycle liquor from the crystallization process
to a mine lake formed in an underground cavity created by conventional hard-rock mining of trona deposits.
Adding fillers into a polymeric matrix can affect its crystallization process
since the particles could act as nucleating (accelerating the crystallization rate of the polymer), or as antinucleating agents.