A good knowledge of the molecular structure of polymer networks allows to relate rheological properties with different molecular parameters.
Lindeman and Allenson provided a new approach using theoretical modeling to correlate the molecular structure of polymer with the experimental physical properties, which can be used to predict the wax inhibition performance of EVA copolymers.
The different electrochemical behaviors of the two PFS films in various organic solutions indicated that molecular structure of polymer had important influence on the electrochemical properties of the PFS.
Four PP samples with different molecular architectures, namely isotactic polypropylene (iPP), ethylene propylene block copolymer (E-b-P), ethylene propylene random copolymer (E-r-P) and branched PP (high melt strength PP, HMSPP), were selected to observe the relationship between the molecular structure and polymer foamability.
The nature of the molecular structure of polymers makes the properties of such materials markedly temperature dependant.
However, theoretical modelings are extremely necessary to correlate the molecular structure of polymers with the corresponding performance to predict the efficiency of wax inhibition. .
The results showed that the polymers did not show remarkable correlation of MRP1 gene and protein expression, but could decrease intracellular ATP, mitochondrial membrane potential and glutathione levels, which was greatly dependent on the molecular structure of polymers.
Fourier transform infrared (FTIR) and Raman spectroscopy have been widely utilized to evaluate the molecular structure of polymers, biomaterials, and tissues, with the choice of technique dependent on the problem under investigation.
The development of a rheology modifier that increases the rheology at a high temperature while does not work at a low temperature, optimization of the solid components including bentonites and weight materials, rational design of the molecular structure of polymers, and selection of the additives that do not cause remarkable thickening can help to control the low-temperature rheology of WBDF.
The materials studied include zwitterionic polymer brushes with different molecular structures, amphiphilic polymers with zwitterionic groups, uncharged hydrophilic polymer brushes, amphiphilic polypeptoids, and widely used antifouling material poly ethylene glycol).
