1. Beginning, Make-up, and Molecular Style
1.1 All-natural Resource and Biochemical Account
(Animal Protein Frothing Agent)
Pet protein-based lathering agents are derived largely from hydrolyzed keratin or collagen sourced from slaughterhouse byproducts such as unguis, horns, bones, and hides.
Via regulated alkaline or chemical hydrolysis, these architectural healthy proteins are broken down into amphiphilic polypeptides abundant in amino acids like glycine, proline, and hydroxyproline, which possess both hydrophilic (– NH ₂,– COOH) and hydrophobic (aliphatic side chains) practical teams.
This double affinity enables the particles to adsorb effectively at air– water interfaces throughout mechanical aeration, decreasing surface area stress and stabilizing bubble development– a vital demand for producing consistent cellular concrete.
Unlike synthetic surfactants, animal protein frothing representatives are naturally degradable, non-toxic, and exhibit exceptional compatibility with Rose city cement systems because of their ionic nature and modest pH buffering capability.
The molecular weight distribution of the hydrolysate– generally in between 500 and 10,000 Da– directly affects foam security, drain price, and bubble dimension, making process control during hydrolysis important for consistent performance.
1.2 Foam Generation System and Microstructure Control
When thinned down with water (commonly at ratios of 1:20 to 1:30) and presented right into a foam generator, the protein service creates a viscoelastic movie around entrained air bubbles under high-shear problems.
This film withstands coalescence and Ostwald ripening– the diffusion-driven growth of bigger bubbles at the cost of smaller ones– by developing a mechanically durable interfacial layer enhanced with hydrogen bonding and electrostatic interactions.
The resulting foam shows high development ratios (typically 15– 25:1) and low drain rates (
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