1. Product Overview & Specifications

Chemical Name: Sodium Salt of Polynaphthalene Sulphonic Acid (Dispersant NNO)

CAS No.: 36290-04-7

Molecular Formula: C₂₁H₁₄Na₂O₆S₂

Molecular Weight: 472.44 g/mol

Technical Specifications

2. Key Applications & Industrial Uses

• Dye Manufacturing: Enhances dispersion of reactive, acid, and vat dyes.
• Textile Processing: Improves dye uniformity in polyester and polyamide fabrics.
• Water Treatment: Acts as a dispersant for scale inhibition in cooling systems.
• Paints & Coatings: Stabilizes pigment suspensions in water-based formulations.
• Electroplating: Reduces surface tension for even metal deposition.

3. Operational Guidelines & Case Studies

Case Study 1: Dye Dispersion Optimization

Challenge: A textile mill faced uneven dye uptake in polyester blends.

Solution: 0.5–1.5% Dispersant NNO added to dye bath.

Result: 22% improvement in color consistency; reduced dye waste.

Case Study 2: Cooling Tower Maintenance

Challenge: Mineral scaling in industrial cooling systems.

Solution: 50–100 ppm dosage in recirculating water.

Result: 40% reduction in scaling; extended equipment lifespan.

4. Client Success Stories

Client A: Global Textile Manufacturer

Application: Dye dispersion for synthetic fabrics

Outcome: Achieved ISO 105-B02 colorfastness compliance; 18% cost savings.

Client B: Specialty Chemicals Producer

Application: Pigment stabilization in architectural coatings

Outcome: 30% increase in shelf-life stability; zero settling issues.

5. Contact for Custom Solutions

Request technical datasheets or formulation support:

Email: info@vivalr.com

Tel: (86) 15866781826