INDUSTRY COMPONENT

Polyvinyl Alcohol Polymer Chain

Polyvinyl alcohol polymer chain is a synthetic water-soluble polymer used as a binder, adhesive, and film-forming agent in industrial applications.

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Component Specifications

Definition
Polyvinyl alcohol (PVA) polymer chain is a linear synthetic polymer produced by the hydrolysis of polyvinyl acetate. It consists of repeating vinyl alcohol units with hydroxyl groups that provide water solubility, film-forming properties, and adhesive characteristics. In industrial grade polyvinyl alcohol binder powder, these polymer chains form the fundamental structural component that enables binding, coating, and adhesive functions through hydrogen bonding and physical entanglement.
Working Principle
The working principle involves hydroxyl groups on the polymer chain forming hydrogen bonds with substrates and water molecules. When dissolved in water, the chains hydrate and swell, creating a viscous solution that can penetrate porous materials. Upon drying, the chains form a continuous film through intermolecular hydrogen bonding and chain entanglement, creating strong adhesive bonds and cohesive strength.
Materials
Synthetic polymer composed of vinyl alcohol monomer units (CH2CHOH)n, typically with 87-99% hydrolysis degree, molecular weight ranging from 13, 000 to 186, 000 g/mol, white to cream-colored powder with 5% maximum moisture content.
Technical Parameters
  • Volatiles <5%
  • Ash Content <0.7%
  • Particle Size 80-200 mesh
  • pH (4% solution) 5-7
  • Hydrolysis Degree 87-99%
  • Viscosity (4% solution, 20°C) 4-65 mPa·s
Standards
ISO 15023, ASTM D1396, JIS K6726

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Polyvinyl Alcohol Polymer Chain.

polyvinyl alcohol polymer PVA chain industrial binder water-soluble polymer adhesive polymer film-forming agent synthetic polymer chain Polyvinyl Alcohol Polymer Chain Polyvinyl Alcohol Polymer Chain in Chemical Manufacturing

Parent Products

This component is used in the following industrial products

Industrial Grade Polyvinyl Alcohol Binder Powder

Water-soluble polymer powder used as industrial adhesive and binder base.

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Engineering Analysis

Risks & Mitigation
  • Dust explosion hazard during handling
  • Thermal degradation above 200°C
  • Reduced performance in high humidity environments
  • Incompatibility with strong acids and oxidizing agents
FMEA Triads
Trigger: Incomplete dissolution due to improper temperature control
Failure: Lump formation and inconsistent viscosity
Mitigation: Maintain solution temperature at 85-95°C during dissolution with continuous agitation
Trigger: Moisture absorption during storage
Failure: Caking and reduced flowability
Mitigation: Store in sealed containers with desiccants at <60% relative humidity
Trigger: Molecular weight degradation from excessive shear during processing
Failure: Reduced binding strength and film integrity
Mitigation: Control mixing speed and use low-shear mixing equipment

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±2% on hydrolysis degree, ±10% on viscosity specifications, ±0.5% on moisture content
Test Method
ISO 15023 for hydrolysis degree determination, ASTM D1343 for viscosity measurement, ISO 787-2 for moisture content analysis

Buyer Feedback

★★★★☆ 4.9 / 5.0 (39 reviews)

"Standard OEM quality for Chemical Manufacturing applications. The Polyvinyl Alcohol Polymer Chain arrived with full certification."

"Great transparency on the Polyvinyl Alcohol Polymer Chain components. Essential for our Chemical Manufacturing supply chain."

"The Polyvinyl Alcohol Polymer Chain we sourced perfectly fits our Chemical Manufacturing production line requirements."

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Frequently Asked Questions

What is the main industrial application of polyvinyl alcohol polymer chains?

Primarily used as binders in paper coatings, textile sizing, adhesive formulations, and as film-forming agents in various industrial processes where water solubility and biodegradability are required.

How does hydrolysis degree affect PVA polymer chain properties?

Higher hydrolysis degree (98-99%) provides better water resistance and mechanical strength but slower dissolution. Lower hydrolysis (87-89%) offers faster dissolution and better compatibility with other polymers but reduced water resistance.

Can PVA polymer chains be used in food contact applications?

Yes, food-grade PVA with specific purity standards is used in edible films, pharmaceutical coatings, and food packaging applications where non-toxicity and biodegradability are required.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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