Polyvinylamine

Description

1. Product Overview
Polyvinylamine (PVAm) is a high-charge-density, water-soluble cationic polymer engineered for superior flocculation, retention, and adhesion across demanding industrial processes. Its primary industrial use lies in water treatment, papermaking (as a dry-strength additive and retention aid), and specialty chemical synthesis where high-performance binding is required. The key value proposition is its exceptional cationic charge density—significantly higher than conventional polyDADMAC or polyacrylamide—delivering faster kinetics and lower dosage requirements. Strategically, PVAm is critical for industries facing stricter environmental discharge limits and efficiency margins, enabling closed-loop water systems and reduced raw material waste.

2. Key Specifications & Technical Characteristics

• Chemical composition: Polyvinylamine (linear polymer with primary amine functional groups)

• Purity level: Industrial grade ≥ 98% active polymer (standard); High-purity grade ≥ 99.5% available

• Physical characteristics:

  • Form: Free-flowing powder or viscous aqueous solution (10–20% solids)

  • Color: White to off-white (powder) / pale yellow to amber (solution)

  • Particle size (powder): 95% through 100 mesh (150 µm)

  • Bulk density (powder): 0.60 – 0.80 g/cm³

  • Viscosity (solution, 20% solids, 25°C): 1,500 – 4,500 cP

  • Charge density: 12–18 meq/g (pH 4–7) – highest among commercial cationic polymers

  • Molecular weight range: 50,000 – 1,500,000 Da (tunable per application)

• Packaging options:

  • 25 kg multi-wall paper bags with PE liner

  • 500 kg FIBC (bulk bags)

  • 1,000 kg IBC totes (solution form)

  • Custom: Bulk tanker (liquid) or pneumatic truck (powder)

• Shelf life: 24 months in original unopened packaging, stored at 5–35°C, away from oxidizing agents

3. Core Industrial Applications

• Primary industries:

  • Water & wastewater treatment

  • Pulp & paper manufacturing

  • Enhanced oil recovery (EOR)

  • Textile & dye fixation

  • Mining (tailings dewatering)

• Specific operational use cases:

  • Paper & board: As a dry-strength agent (up to +40% tensile strength increase at 0.5% dry basis); as a retention aid for fillers and fines.

  • Water treatment: Primary coagulant and flocculant for industrial effluent, outperforming alum or ferric chloride in cold water and low-turbidity conditions.

  • Mining: Sludge dewatering prior to tailings storage, reducing filter press cycle time by 25–30%.

• Why PVAm performs better than alternatives:

  • Higher charge density allows 30–50% lower dosage than polyDADMAC for equivalent turbidity reduction.

  • Primary amine groups enable pH-responsive behavior (works effectively from pH 4 to 10).

  • Faster floc formation → higher throughput on continuous systems.

• Cost advantage: Reduced chemical storage footprint, lower shipping weight per active equivalent, and fewer polymer adjustments due to water chemistry swings.

4. Competitive Advantages

• Quality consistency: ISO 9001:2025 certified production with batch-to-batch <2% RSD in charge density and viscosity; each shipment includes CoA with FTIR spectra and titration data.

• Supply reliability: Multi-plant production (Asia-Pacific, North America, EU) with 120,000 MT annual capacity; safety stock maintained at three regional hubs.

• Logistics capability: 48-hour dispatch for standard packaging; door-to-door tracking via digital freight platform.

• Price competitiveness: Direct-from-manufacturer pricing eliminates distributors; volume tier discounts (100 MT+).

• Sustainability: Biodegradable backbone (>60% mineralization within 28 days OECD 301B); available as bio-attributed grade (ISCC PLUS certified).

• Technical support: In-house applications lab with 48-hour response for jar testing, polymer optimization, and on-site commissioning support.

5. Commercial & Supply Information

• Minimum order quantity (MOQ): 1 metric ton (MT) for powder (40 x 25 kg bags) or 5 MT for solution (5 x 1,000 kg IBCs)

• BULK 20MT loading capacity:

  • Powder (FIBC, 500 kg each): 20 MT per 20-foot dry container (40 bags, fully palletized)

  • Solution (IBC totes, 1,000 kg each): 20 MT per 20-foot container (20 totes, double-stacked where permitted)