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Physical properties of polyethyleneimine-alginate gels

✍ Scribed by Suhaila Mohamed; Abu Bakar Salleh

Book ID
104632708
Publisher
Springer Netherlands
Year
1982
Tongue
English
Weight
221 KB
Volume
4
Category
Article
ISSN
0141-5492

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✦ Synopsis

The procedure for preparation of polyethyleneimine (PEl)-alginate gel and some of its physical properties are presented. The rigidity modulus (G) of the gel appears to increase to the second power of PEI concentration. Shrinkage is linearly related to pH up to pH 6.0. G increases as the pH is lowered, and decreases after freezing. The gels does not dissolve on heating and are strong, but fairly brittle. They are resistant to proteolytic enzymes.

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