AC Foaming Deodorizer

Product Introduction

In the rubber and plastic foaming industry (EVA footwear, PE insulation), Azodicarbonamide (AC/ADCA) chemical blowing agents dominate. However, when decomposing above 150°C, they release not only foaming gas but also toxic, irritating formamide intermediates, alongside massive amounts of pungent ammonia and nitrogenous byproducts. Traditional porous physical adsorbents suffer from "thermal desorption" in hot, closed molds, and the trace moisture they carry causes catastrophic foam collapse, cell merging, or surface water ripples.

To conquer this, this product builds a dual-action "catalytic degradation and macromolecular targeted chelation" network. At the instant of foaming decomposition, a specific alkaline catalytic medium forcefully cracks the toxic intermediates. Subsequently, macromolecular metal complexes use their empty orbitals to instantly "deadlock" the released ammonia and irritants into highly stable, non-volatile coordinate salts, destroying the odor source. To overcome "blooming" (white frost) caused by polar reactants and "collapse" caused by moisture absorption, it pioneers a "nanoscale hydrophobic isolation and homologous macromolecular anchoring" dual-core process. The ultra-hydrophobic nano-network densely encapsulates active powders, completely isolating ambient moisture and ensuring ultimate dispersion during room-temperature dry blending. During melt setting, polymer bridging carriers anchor the reaction products into the 3D network of the cell walls, thermodynamically cutting off outward migration. It perfectly preserves the expansion ratio and ensures environmental compliance.

Appearance

White to off-white, highly dry and free-flowing ultra-fine powder

Deodorizing Principle

• Targeted Cracking of Toxic Intermediates: In the high-temp melt, built-in alkaline catalysts precisely identify toxic intermediates from blowing agent pyrolysis. Rapid solid-phase reactions catalytically crack them into safe formates, releasing alkaline gas and destroying the odor source.
• Empty Orbital Chelation & Chemical Deadlock: Targeting the massive release of ammonia and nitrogenous byproducts, organometallic macromolecular complexes act as scavengers. Utilizing empty orbitals, they form high-bond-energy coordinate covalent bonds with polar malodorous molecules, irreversibly converting them into stable, non-volatile complexes.
• Homologous Anchoring (Anti-Blooming): Introduces elastomer-compatible macromolecules with highly polar reactive ends. The polar ends strongly encapsulate the polar deodorizing salts, while the ultra-long non-polar segments co-crystallize deeply with the foam matrix, cutting off the thermodynamic drive for surface migration.
• Nanoscale Hydrophobic Isolation (Anti-Collapse & Spots): Encapsulated by a nanoscale, highly hydrophobic network, granting the powder absolute water-free properties. This eliminates the risk of "water bombs" (foam collapse) from moisture absorption and acts as microscopic ball bearings for ultimate dry dispersion.

Application Areas

• High-End Foamed Footwear: Ammonia odor removal for EVA/POE sports midsoles, high-rebound slippers, and custom injection-molded foam parts.
• Mats & Flooring: Eco-friendly children's crawling mats, TPE/EVA high-expansion yoga mats, and interlocking puzzle mats.
• Rubber/Plastic Insulation & Sealing: Low VOC deep purification for PE/PVC cross-linked insulation boards/pipes, acoustic dampening foams, and automotive foam weather strips.

Usage Method

• Adding Method: A pure dry powder. Must be added directly during the initial compounding stage in an internal mixer or high-speed kneader, alongside resins, blowing agents, and crosslinkers.
• Mixing Requirements: Supports room-temperature dry blending. Rely on the low/medium mechanical shear of the equipment to ensure the powder is evenly dispersed and enveloped within the resin base.

Reference Dosage

• Recommended Dosage: Add at 0.5% - 1.0% of the total foaming compound weight.
• Starting Test Dosage: It is recommended to start initial lab trials at 0.6%. For ultra-high expansion ratios (blowing agent > 3 phr) or heavy-odor regrind systems, adjust upward to 1.0%.

Precautions

• Foaming Kinetics Balance (Trial Red Line): The highly active metal complexes act as strong foaming "kickers". When testing, you must deduct an equivalent amount of Zinc Oxide (ZnO) or Zinc Stearate from the original formula to maintain the perfect match between blowing agent decomposition and resin crosslinking rates, strictly preventing "premature foaming" or severe cell merging.
• Sealed Storage: Despite the nanoscale hydrophobic treatment, the huge specific surface area requires unused powder to be tightly sealed in its moisture-proof inner bag.