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Additives for Biopolymers

From compostable packaging to biodegradable plastic cutlery, biopolymers are on the rise. The only limits are technical performance and processability. VINNEX® is a polyvinyl acetate-based additive that allows the combination of several biopolymers, thereby improving performance and processability. With VINNEX®, biopolymers can be processed just like standard thermoplastics. The system makes materials such as starch, polylactic acid (PLA), polyhydroxyalkanoates (PHA), polybutylene succinate (PBS) and cellulose acetates (CA) compatible with each other. This makes it possible to precisely adjust the physical properties as required, while maintaining the biodegradability of the biopolymer blends. In addition, most VINNEX® grades are suitable for use in food-contact applications.

Silicone-based GENIOPLAST® additives enhance the processing and material properties of biopolymers.  

Benefits of VINNEX® Powder in Bioplastics – PLA Blends:

  • Improved impact strength
  • Enhanced flexibility
  • Improved compatibility with polar fillers and other biopolymers
  • Improved heat sealing properties of films

Benefits of VINNEX® Resins in Bioplastics – PLA Blends:

  • Increased melt strength
  • Improved processability
  • Reduced noise of PLA films
  • Maintained transparency
  • Good performance in film sealing
  • Improved adhesion to paper

Benefits of a combination of VINNEX® and GENIOPLAST® Pellet S or Pellet S Plus for bioplastics:

  • Optimized processing properties during extrusion (lower torque, reduced die drool)
  • Enhanced scratch resistance
  • Enhanced abrasion resistance
  • Lower CoF
  • Better mechanical properties (increased impact strength and tear strength)
  • No impact on transparency

Applications:

  • Packaging (cups, bottles, films, trays, shopping bags)
  • Textiles (shirts, furniture)
  • Nonwovens (diapers)
  • Electronics (mobile phone housing)
  • Agricultural applications (blend with thermoplastic starches (TPS) for mulch films)

Benefits of VINNEX® Powder in Bioplastics – PHA/PHB Blends:

  • Enhanced flexibility
  • Improved compatibility with polar fillers and other biopolymers

Benefits of VINNEX® Resins in Bioplastics – PHA/PHB Blends:

  • Enhanced flexibility
  • Higher mechanical strength
  • Increased melt strength
  • Optimized crystallinity
  • Enables blown film extrusion of PHB films

Applications:

  • Cutlery
  • Packaging (boxes, bags, foams)
  • Mulch films
  • Personal care (razors, tooth brush handles)
  • Office supplies (pens)
  • Golf tees
  • Toys
  • Household goods

Benefits of VINNEX® Powder in Bioplastics – PLA Blends:

  • Enhanced flexibility
  • Improved compatibility with polar fillers and other biopolymers
  • Increased melt strength
  • Improved processability in extrusion and thermoforming

Benefits of VINNEX® Resins in Bioplastics – PLA Blends:

  • Enhanced flexibility
  • Increased melt strength
  • No reduction of hardness or elasticity

Benefits of a combination of VINNEX® and GENIOPLAST® Pellet S or Pellet S Plus for bioplastics:

  • Optimized processing properties during extrusion (lower torque, reduced die drool)
  • Enhanced scratch resistance
  • Enhanced abrasion resistance
  • Lower CoF
  • Better mechanical properties (increased impact strength and tear strength)
  • No impact on transparency

Applications:

  • Medical applications
  • Disposable tableware
  • Compostable bags
  • Agricultural mulch films
  • Nonwoven fabrics