"From Traditional Intermediates to Green Chemistry: Technological Breakthroughs of Refined Naphthalene in Dyes Core content

 "From Traditional Intermediates to Green Chemistry: Technological Breakthroughs of Refined Naphthalene in Dyes

1. Industry driving factors

• Environmental protection policy: China's "Emission Standard of Pollutants for the Dye Industry" has forced low-sulfur processes.

• High-end demand: Digital printing dyes require a purity of refined naphthalene of ≥99.8% (to prevent nozzle clogging).

2. Technological innovation direction

• Bio-based refined Naphthalene: Naphthalene extracted from Lignin (lignin -Naphthalene) has entered pilot production, reducing carbon footprint by 40%;

• Nano refined naphthalene: Enhance the tinting strength of disperse dyes through ultrafine grinding (D50 < 1μm) (experimental data +15%).

3. Supply chain upgrade

• Digital traceability: Blockchain technology enables the full tracking of refined naphthalene from crude oil to dye (meeting ZHDC certification);

• Regionalized production: Build satellite plants for the purification of refined naphthalene in dyeing and printing clusters (such as Shaoxing and Suzhou) to shorten the delivery cycle to 24 hours.

Case: The refined naphthalene upgrade project of a leading dye enterprise

Customer pain point: Color difference fluctuation of reactive dyes exported to the EU is ±3% (higher than the customer's required ±1.5%)

Solution: Switch to ultra-high-purity refined naphthalene with sulfur content less than 5ppm

Result: The color difference qualification rate has increased to 98%, and the annual loss of customers has decreased by 12 million yuan

The differentiated positioning of the three articles

1. The first part: Technology-oriented, targeting the R&D/production departments of dye enterprises, highlighting product performance parameters;

2. Part Two: Procurement-oriented, targeting supply chain managers, providing implementable cost reduction solutions;

3. The third part: Strategic Orientation, targeting the decision-making level of enterprises, analyzes the future competitive elements of the industry.

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