1. Origin, Composition, and Molecular Design
1.1 All-natural Source and Biochemical Profile
(Animal Protein Frothing Agent)
Animal protein-based lathering agents are derived primarily from hydrolyzed keratin or collagen sourced from abattoir byproducts such as unguis, horns, bones, and hides.
Via regulated alkaline or chemical hydrolysis, these structural healthy 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 teams.
This dual fondness enables the particles to adsorb efficiently at air– water interfaces during mechanical oygenation, reducing surface area stress and supporting bubble formation– a critical requirement for creating consistent cellular concrete.
Unlike synthetic surfactants, pet protein frothing representatives are naturally degradable, safe, and exhibit exceptional compatibility with Portland cement systems due to their ionic nature and moderate pH buffering ability.
The molecular weight distribution of the hydrolysate– normally in between 500 and 10,000 Da– directly influences foam stability, drainage rate, and bubble size, making procedure control during hydrolysis necessary for constant efficiency.
1.2 Foam Generation System and Microstructure Control
When thinned down with water (normally at ratios of 1:20 to 1:30) and introduced right into a foam generator, the protein remedy forms a viscoelastic film around entrained air bubbles under high-shear problems.
This movie stands up to coalescence and Ostwald ripening– the diffusion-driven development of larger bubbles at the expenditure of smaller sized ones– by developing a mechanically robust interfacial layer strengthened with hydrogen bonding and electrostatic interactions.
The resulting foam displays high growth proportions (typically 15– 25:1) and low drain prices (
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