1. Origin, Composition, and Molecular Architecture
1.1 Natural Source and Biochemical Profile
(Animal Protein Frothing Agent)
Pet protein-based lathering representatives are obtained largely from hydrolyzed keratin or collagen sourced from slaughterhouse spin-offs such as hooves, horns, bones, and hides.
Through controlled alkaline or enzymatic hydrolysis, these structural proteins are broken down right into amphiphilic polypeptides rich in amino acids like glycine, proline, and hydroxyproline, which possess both hydrophilic (– NH TWO,– COOH) and hydrophobic (aliphatic side chains) functional groups.
This twin fondness enables the particles to adsorb successfully at air– water user interfaces throughout mechanical aeration, reducing surface area stress and stabilizing bubble development– a crucial requirement for creating consistent mobile concrete.
Unlike synthetic surfactants, pet healthy protein lathering representatives are eco-friendly, non-toxic, and show excellent compatibility with Portland cement systems because of their ionic nature and moderate pH buffering capacity.
The molecular weight distribution of the hydrolysate– generally between 500 and 10,000 Da– directly affects foam security, water drainage rate, and bubble dimension, making process control throughout hydrolysis important for constant performance.
1.2 Foam Generation Device and Microstructure Control
When diluted with water (normally at proportions of 1:20 to 1:30) and introduced into a foam generator, the protein solution creates a viscoelastic movie around entrained air bubbles under high-shear conditions.
This movie resists coalescence and Ostwald ripening– the diffusion-driven development of bigger bubbles at the expenditure of smaller ones– by developing a mechanically durable interfacial layer enhanced through hydrogen bonding and electrostatic communications.
The resulting foam shows high growth proportions (usually 15– 25:1) and reduced drainage prices (
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