Dyeing — Process Challenge

Espesantes de estampado y alginato sódico para estampación textil

La pasta de estampado carece de la viscosidad y el control de humedad necesarios para bordes definidos y solidez al lavado; los estampados sangran
Updated Jun 2026
Enfoque de solución

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 (8)
Sodium Alginate
CAS 9005-38-3
Aditivos Especiales
Natural thickener for reactive print pastes
anionic thickener that builds paste viscosity yet washes out cleanly and won't react with reactive dye
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Polyacrylic Acid (PAA)
CAS 9003-01-4
Polímeros y Resinas
Synthetic thickener
synthetic thickener for crisp print definition
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Guar gum
CAS 9000-30-0
Aditivos Especiales
Modificación de viscosidad
natural galactomannan thickener for paste body
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Carboxymethyl cellulose (CMC)
CAS 9004-32-4
Aditivos Especiales
Tensioactividad
carboxymethyl cellulose is a standard anionic print-paste thickener that builds body for sharp edges and rinses out cleanly, expected alongside alginate/guar
Solubility: Yields a viscous colloidal solution with water.…   PH: Not < 5,0 and not more than 8,5 (1 % colloidal …
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Urea
CAS 57-13-6
Ácidos y Sales
Dye solubilizer and swelling agent
dye solubilizer and moisture-retainer that supports steam fixation
Punto de fusión:135 °C   Punto de ebullición:Decomposes   Densidad:1.34 at 20 °C
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Propylene Glycol, USP/FCC Food Grade
CAS 57-55-6
Glicoles y Polioles
Humectant to prevent premature drying
humectant that stops the paste drying/cracking before fixation
Punto de fusión:-60 °C   Punto de ebullición:188 °C at 760 mmHg   Densidad:1.04 at 20 °C
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Vegetable Glycerin (Glycerol), USP/FCC Food Grade
CAS 56-81-5
Glicoles y Polioles
Humectant and co-solvent
humectant and co-solvent for paste open time
Punto de fusión:18 °C   Punto de ebullición:290 °C at 760 mmHg (decomposes)   Densidad:1.261 at 20 °C
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Dehydroxanthan Gum
CAS 11138-66-2
Xanthan-based gum (CAS 11138-66-2 is xanthan gum; dehydroxanthan is the modified variant) is a high-yield, strongly pseudoplastic/shear-thinning thickener. That is the exact rheology mechanism this page is about: holding print-paste viscosity for crisp, non-bleeding edge definition. Thickeners/rheology modifiers are the core of this use-case.
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