1. Origin, Structure, and Molecular Style
1.1 All-natural Resource and Biochemical Profile
(Animal Protein Frothing Agent)
Animal protein-based foaming agents are acquired primarily from hydrolyzed keratin or collagen sourced from slaughterhouse byproducts such as hooves, horns, bones, and hides.
Through regulated alkaline or enzymatic hydrolysis, these architectural healthy proteins are damaged down into amphiphilic polypeptides abundant in amino acids like glycine, proline, and hydroxyproline, which have both hydrophilic (– NH TWO,– COOH) and hydrophobic (aliphatic side chains) practical teams.
This twin fondness enables the particles to adsorb efficiently at air– water interfaces throughout mechanical oygenation, minimizing surface stress and stabilizing bubble formation– a vital requirement for generating consistent cellular concrete.
Unlike artificial surfactants, pet healthy protein lathering representatives are naturally degradable, non-toxic, and exhibit outstanding compatibility with Rose city cement systems because of their ionic nature and modest pH buffering capability.
The molecular weight distribution of the hydrolysate– usually in between 500 and 10,000 Da– straight affects foam security, water drainage price, and bubble size, making procedure control during hydrolysis essential for consistent efficiency.
1.2 Foam Generation Device and Microstructure Control
When watered down with water (generally at ratios of 1:20 to 1:30) and introduced right into a foam generator, the healthy protein remedy forms a viscoelastic film around entrained air bubbles under high-shear conditions.
This film withstands coalescence and Ostwald ripening– the diffusion-driven development of bigger bubbles at the expense of smaller ones– by forming a mechanically durable interfacial layer reinforced via hydrogen bonding and electrostatic communications.
The resulting foam displays high development ratios (generally 15– 25:1) and low drain prices (
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