Preservation of cadavera by plasticization
β Scribed by de C. H. Saunders, R. L.
- Publisher
- John Wiley and Sons
- Year
- 1953
- Tongue
- English
- Weight
- 512 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0003-276X
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CO 2 -induced plasticization may significantly spoil the membrane performance in high-pressure CO 2 /CH 4 separations. The polymer matrix swells upon sorption of CO 2 , which accelerates the permeation of CH 4 . The polymer membrane looses its selectivity. To make membranes attractive for, for examp
## Abstract Plasticization is a phenomenon frequently encountered in the application of glassy polymeric materials for solutionβdiffusion membranes. Conventional methods for stabilizing the membrane are either annealing or crossβlinking, which hardly influence the selectivity of the membrane, but d
A high-pressure differential scanning calorimetric technique is described for studying polymer plasticization by compressed gases at pressures to 100 atm. The in situ measurements avoid problems due to gas desorption encountered with conventional DSCs, thus providing an accurate way to determine the
a Average of a minimum of t w o experiments. b 98% hemolysis. e Data unobtainable because of solubility limitations. d Black-red denaturation of cells. e Black-red hemoglobin color. J Data unobtainable prior to denaturation,