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Helping To Enable A Circular Economy

Circular economy and sustainability play essential roles in reducing the life cycle impacts of polymer materials. SI Group is focused on offering innovative chemistry through minimizing waste and improving resource efficiency. EVERCYCLE™ antioxidant and stabilizer additives are their newest technology to help drive a more circular economy regarding polymer mechanical recycling.
By using EVERCYCLE™, companies can reduce their environmental footprint by diverting waste plastics from landfills and reducing the need for virgin plastics. Additionally, EVERCYCLE™ resins can help companies meet their sustainability goals and improve their reputation as environmentally responsible businesses. SI Group's EVERCYCLE™ resins are designed to meet the growing demand for sustainable and circular materials in various industries. The company uses advanced recycling technologies to convert waste plastics into high-quality resins comparable in performance to virgin plastics.

Some key performance benefits of incorporating EVERCYCLE™ stabilizers in mechanical recycling processing include improved thermal stability, enhanced color stability, reduced yellowing, and controlled formation of acetaldehyde. These specialty solutions can also help prevent oxidation and degradation of recycled plastic resins during processing, storage, and use. EVERCYCLE™ is compatible with various types of recycled plastics, including polyethylene terephthalate (PET), high-density polyethylene (HDPE), and polypropylene (PP). Overall, EVERCYCLE™ antioxidants are a valuable solution for recycled plastic processors looking to improve the quality and performance of their downstream products.

Mechanical Recycling is the Key to Circularity

Mechanical recycling will be the solution for many single-use plastic wastes, and chemical recycling will be the partner that helps complement mechanical recycling. By keeping the molecular structure of the postconsumer and postindustrial recycled feedstock, complementing and supporting this industry is vital to enabling a circular economy.
 

EVERCYCLE™ innovative additive solutions help mechanical recyclers close the performance gap between virgin and recycled resins. Mechanical recycling allows the plastic to keep its molecular structure by mechanically processing it into plastic granules for new products. When scaling and processing, mechanical recyclers require uncontaminated waste streams, which can reduce performance and cause difficulty with processing. EVERCYCLE™ addresses these quality and quantity recycled-content issues by providing long-term stability and protection.
 

EVERCYCLE™ blends help advance circularity through mechanical recycling by addressing their typical challenges.

Mechanical Recycling Challenges

  • Feedstock segregation, such as sorting and purity
  • Feedstock composition
    • Depleted stabilizers
    • Color and organoleptic issues
    • Cross-contaminations

Why EVERCYCLE™?
 

This dedicated portfolio of stabilizer technology provides polyolefin and PET mechanical recyclers with improved processing to help accelerate the circular economy.
 

  • Enabling circularity
  • Waste reduction 
  • Performance improvement
  • Processing-cost reduction

EVERCYCLE™ Portfolio 

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EVERCYCLE™ PET-103D 

Designed as a liquid blend to improve mechanical recyclers who utilize PET resource streams by controlling the formation of yellowing and acetaldehyde (AA). 
 

EVERCYCLE™ PET-102D

This grade also enhances recycled PET through controlling the formation of color and AA while being offered in a non-dusting easy to handle form.  
 

EVERCYCLE™ PP-101S

A pellet and powder (when requested) when grade helps to re-stabilize post consumer polypropylene (PP) and high-density polyethylene (HDPE) rigid packaging streams.
 

EVERCYCLE™ LD-104P

Designed for recycled stretch film processors, this grade supplies stability by reducing the formation of gel and color control.  
 

EVERCYCLE™ LD-101S  

As a re-stabilizer for post consumer LDPE/LLDPE flexible film recycle streams, this grade provides mechanical recyclers the ability to improve processing and impart long-term stability for downstream products. 

EVERCYLE™ Applications

Food Grade Polyethylene Terephthalate (PET)

EVERYCYLE™ PET-102D and PET-103D enable mechanical recyclers of PET bottles to avoid downcycling due to feedstock quality issues. Solid and liquid grades allow mechanical recyclers to control yellow color formation and reduce acetaldehyde (AA) levels. This allows for more circularity by keeping more PET in the closed recycling loop for longer.
 

Stretch Film Post-Industrial Recycled (PIR)
 

EVERCYCLE™ LD-104P has just a 1% dosage in a blended 70/30 virgin/preconsumer postconsumer recycled and postindustrial recycled (PCR/PIR) stretch film, improving mechanical properties while containing gel formation.

Mixed Polyolefins Post-Consumer Recycling (PCR)

SI Group's LD-101S and PP-101S offer improved performance for recycled polyolefins (PO) to enable more significant amounts of recycled POs in various end-use applications. These grades enhance processability and protect the recycled polyolefins with long-term stability.
 

Mechanical recycling is the key to a more circular economy regarding single-use plastics. EVERCYCLE™ specialty blends optimize mechanical recycling by stabilizing processing and melt flow, reducing gel formation, and protecting the polymers from thermal degradation. Talk to one of our technical specialists today about how EVERCYCLE™ can help stabilize your recycling feedstocks.

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