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Carboxymethyl Starch (Adhesives & Sizing)

Carboxymethyl Starch (Adhesives & Sizing)

Top Applications & Customer Pain Points

1. Paper & Corrugated Box Adhesives

  • Paste Sedimentation & Inconsistency : Native starches settle in corrugation gum tanks, causing pump blockages and downtime.
  • Poor Fines/Filler Retention : Loss of fines or clay increases raw-material cost and wastewater load.
  • Variable Viscosity : Fluctuating rheology leads to uneven glue lines and delamination.

2. Textile Warp Sizing

  • Yarn Breakage & Abrasion : Inadequate sizing reduces loom efficiency and raises waste.
  • Uneven Film Formation : High-viscosity sizes coat only surface of yarn; low viscosity penetrates too deeply, weakening the film.
  • Batch Lumping & pH Drift : Lumps block spray jets and cause batch-to-batch inconsistency.

Key Benefits :

  • Stable Suspension: Prevents starch settling in corrugation and paper-machine gum systems.
  • Improved Retention: Cuts fines and filler loss, reducing raw-material and treatment costs.
  • Consistent Rheology: Uniform viscosity for smooth, even glue lines and size applications.
  • Enhanced Fabric Performance: Raises warp sizing efficiency—stronger, less abrasive yarns.
  • Rapid Dispersion: Cold-water soluble for quick batch prep—minimizes production delays
  • Broad Compatibility: Effective across pH 8–11; works with hard or soft water.
Pain Point
Shalbond CMS Advantage
Paste Sedimentation & Pump Clogs
Negatively charged CMS keeps native starch in stable suspension.
Low Fines/Filler Retention
Enhances retention by up to 30% through ionic attraction of anionic fines.
Viscosity Drift
Controlled DS (0.05–0.10) maintains Brookfield viscosity 500–3000 cP.
Yarn Breakage & Poor Abrasion Resistance
Uniform film improves abrasion resistance by up to 20% and reduces breaks.
Uneven Film Penetration
Optimized molecular weight balances penetration and surface coating.
Batch Lumping & pH Variability
Cold-water solubility in <3 min; alkaline pH 8–11 maintains batch stability.

Key Technical Specifications

Property
Specification / Range
Degree of Substitution (DS)
0.05 – 0.10
pH (1% w/v solution)
8.0 – 11.0
Moisture Content
≤ 12%
Ash Content
≤ 20%
Viscosity (5% w/v, 25 °C)
500 – 3 000 cP (Brookfield)
Cold-Water Solubility
Complete in < 3 min
Particle Size (Mesh)
Passes 80–200 mesh
Shelf Life
12 months (dry storage)
Packaging
25 Kgs and 50 Kgs bag

Why Shalbond Carboxymethyl Starch?

  • Patent-Informed Chemistry: Proprietary carboxymethylation yields targeted DS and rheology profiles.
  • Competitive Benchmarking: Outperforms leading CMS grades in viscosity stability, retention, and suspension.
  • End-User Savings: Real-world plant trials show up to 15% reduction in adhesive and sizing agent consumption.
  • Technical Partnership: On-site trials, dosage optimization, and continuous support ensure seamless integration.

Ready to Solve Your Sizing & Adhesive Challenges?

Contact Shalbond for sample evaluation, in-plant trials, and detailed technical datasheets—discover how our Carboxymethyl Starch can transform your production.

Describe your Challenges?

Let us know your packaging or production problem and our team will recommend the right solution—backed by science, not guesswork.

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