Pretreatment — Process Challenge

Stabilisants de peroxyde et chélateurs pour blanchiment textile uniforme

Les ions métalliques traces catalysent une décomposition incontrôlée du peroxyde, entraînant un blanchiment inégal et des dommages de type microtrous et ruptures de fibres
Updated Jun 2026
Approche de solution

RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.

Typical Processing Workflow
1
Substrate & Process Assessment
Identify the fiber and process stage (pretreatment, dyeing, finishing) and the performance, hand, and compliance targets.
2
Auxiliary Selection
Match surfactants, wetting and dispersing agents, softeners, fixatives, or pH and sequestering agents to the substrate and bath chemistry.
3
Lab Dip & Dosing
Confirm dose and sequence on a lab dip or pad trial, checking levelness, fastness, hand, and bath stability.
4
Production Validation
Verify reproducibility, fastness, and effluent compliance at scale, and set the recipe and packaging for production.
Recommended Chemistries (6)
Hydrogen Peroxide (Leaching / Process Oxidant)
CAS 7722-84-1
Polymères et Résines
Bleaching oxidant
2015 (HYDROGEN PEROXIDE, AQUEOUS SOLUTION, STABILIZED, WITH MORE THAN 60% HYDROGEN PEROXIDE) · Class
the bleaching oxidant itself; uniformity depends on controlling its decomposition
Point de fusion:0 °C   Point d'ébullition:150 °C at 760 mmHg   Densité:1.11 at 20 °C
Aperçu rapide
Détails complets
DTPA (Diethylenetriaminepentaacetic Acid)
CAS 67-43-6
Amines et Amides
High-performance chelant for iron and copper
sequesters Fe/Cu/Mn that catalyze radical decomposition of peroxide, the root cause of pinholes and weak spots
Physical Description: White to off-white solid   Point d'ébullition:Decomposes   Point de fusion:219-220 ºC
Aperçu rapide
Détails complets
Ethylenediaminetetraacetic Acid
CAS 60-00-4
Amines et Amides
Chelant for metal ion sequestration
chelates Ca/Mg/heavy metals for controlled, even peroxide decomposition
Point de fusion:237 °C   Densité:0.86 at 20 °C   Solubility: 1000000 mg/L at 25 °C
Aperçu rapide
Détails complets
Sodium Metasilicate
CAS 6834-92-0
Acides et Sels
Peroxide stabilizer and detergent builder
1759 (SODIUM SILICATE) · Class
classic peroxide stabilizer/buffer that meters out decomposition rate across the bath
Point de fusion:1089 °C   Point d'ébullition:BOILING POINT: 100 °C -6H20 /NONAHYDRATE/   Densité:1.1 to 1.7 at 20 °C
Aperçu rapide
Détails complets
Magnesium Sulfate, Anhydrous USP Powder
CAS 7487-88-9
Acides et Sels
Peroxide stabilizer in bleach baths
magnesium ions stabilize the peroxide system and protect cellulose from oxidative attack
Point de fusion:1124 °C (decomposition)   Densité:2.66 g/cu cm   Solubility: 710 mg/mL
Aperçu rapide
Détails complets
2-Hydroxyphosphonocarboxylic Acid (HPAA)
CAS 23783-26-8
Esters Phosphoriques et Dérivés
Chélation / Séquestration
Oxidant-stable phosphonocarboxylate chelant purpose-built for this exact problem: it sequesters the catalytic Fe/Mn/Cu that drive uncontrolled H2O2 decomposition, and its resistance to oxidation lets it survive in the peroxide bath itself. Functions as a genuine peroxide bleach stabilizer at the alkaline pH (~10.5-11) of textile bleaching, delivering even whiteness while preventing radical-driven
Physical Description: Brown liquid. Slight acrid odor
Aperçu rapide
Détails complets

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