Why bioplastic that is made from gelatin, after the addition of PEG get stiff ? how i could manage it for not going stiffer anymore?

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Dmitriy Berillo

Article Water Uptake as a Crucial Factor on the Properties of Cryoge...

you might find the idea in this paper. You did not mention what kind of treatment you made therefore it is difficult to give explanation.

Abdelkader BOUAZIZ

Dear all, which PEG is used ? Is it a dialdehyde one? If so, what is the degree of polymerization "n" in it, and the concentration used?

H-CO-CH2-O-(CH2-CH2-O-)n-CH2-CO-H

My Regards

Vadym Chibrikov

Good day! Maybe following articles will be helpful for you:

Article Injectable Hydrogel Composite Based Gelatin-PEG and Biphasic...

Article Preparation and Characterization of Chitosan/PEG/Gelatin Com...

https://dspace.mit.edu/handle/1721.1/64976