Page 68 - Plastics News June 2024
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TECHNOLOGY NEWS





          renewable resource, and contribute to  and resistance to high temperatures  and separation  of different  types  of
          environmental pollution due to their  and chemicals. It is used in aerospace,  plastics, improving the quality of recy-
          long decomposition times. In contrast,  automotive, and medical applications,  cled materials.
          biodegradable plastics are designed  including implants and prosthetics.  Design  for  Recycling:  Manufactur-
          to break down more quickly and bio-  Polyimides: These polymers exhibit ex-  ers  are  increasingly  adopting  design
          based plastics are made from renew-  cellent thermal stability and mechani-  principles that facilitate recycling. This
          able resources such as corn starch or   cal strength, making them suitable for  includes using single-material packag-
          sugarcane.                         applications in electronics, aerospace,  ing, reducing the use of additives, and
          Polylactic Acid (PLA): PLA is a popu-  and automotive industries. Polyimides  incorporating recycled content into
          lar bio-based plastic derived from  are used in flexible printed circuits, in-  new products. By designing products
          fermented plant starch. It is used in a  sulating  films,  and  high-temperature  with their end-of-life in mind, compa-
          variety of applications, including pack-  adhesives.                   nies can improve  the  recyclability of
          aging, disposable cutlery, and medical   Liquid Crystal Polymers (LCPs): LCPs   plastics and support a circular econo-
          implants.  PLA is  biodegradable  un-  have unique molecular structures that   my.
          der industrial composting conditions,   provide high  strength, rigidity, and  Smart and Functional Plastics
          making it an eco-friendly alternative to   heat resistance. They are used in elec-
          traditional plastics.                                                  The integration of smart and functional
                                             tronics,  automotive  parts,  and high-  materials into plastics is another excit-
          Polyhydroxyalkanoates  (PHAs):  PHAs  performance fibers.              ing area of innovation. These materials
          are produced by microorganisms that   Recycling and Circular Economy   can respond to environmental stimuli,
          consume  plant oils or sugars. These                                   such as temperature,  light, or pres-
          bioplastics are highly biodegradable  The  environmental  impact  of  plastic
          and are used in packaging, agricultural  waste  has  driven  the  development  of   sure, and provide additional function-
          films,  and  even  medical  applications  new  recycling  technologies  and  the   alities  beyond  their  basic  structural
          such as sutures and drug delivery sys-  adoption of a circular economy  ap-  properties.
          tems.                              proach. Innovations in this area  aim  Conductive  Polymers:  These  plastics
                                             to  reduce  plastic  waste,  increase  re-  can  conduct  electricity  and are  used
          Starch-based  Plastics:  Made  from   cycling rates,  and create  sustainable  in  applications  such  as  flexible  elec-
          corn, potato, or other starches, these   production cycles.            tronics, sensors, and energy storage
          plastics are used in packaging, agri-                                  devices. Conductive polymers offer the
          cultural  films,  and  disposable  items.  Chemical Recycling: Unlike traditional   potential  for  lightweight,  flexible,  and
          They offer the advantage of being com-  mechanical  recycling,  which  involves
          postable and reducing dependency on  melting and reshaping plastics, chemi-  cost-effective electronic components.
          fossil fuels.                      cal recycling breaks down plastics into  Shape-Memory  Polymers  (SMPs):
                                             their basic chemical components. This  SMPs can return to their original shape
          High-Performance Polymers
                                             process  allows  for  the  recycling  of  after being deformed when exposed to
          While biodegradable  and  bio-based  mixed  or contaminated  plastics  that  a  specific  stimulus,  such  as  heat  or
          plastics  address  environmental  con-  are  difficult  to  process  mechanically.  light. They  are used  in applications
          cerns, high-performance polymers are  Technologies such as pyrolysis and  such as self-healing materials, actua-
          designed to meet  the demanding re-  depolymerization are being developed  tors, and medical devices.
          quirements of advanced  applications.  to convert plastic waste into valuable   Self-Healing Plastics: These materials
          These plastics offer superior strength,  raw materials.                can repair themselves when damaged,
          heat resistance, and chemical stability,   Advanced Sorting Technologies: Inno-  extending the lifespan of plastic prod-
          making them ideal for industries such   vations  in sorting  technologies,  such  ucts and reducing maintenance costs.
          as  aerospace,  automotive,  and elec-  as  near-infrared  (NIR)  spectroscopy  Self-healing plastics are used in coat-
          tronics.
                                             and  artificial  intelligence  (AI)-driven  ings, automotive  parts,  and electron-
          Polyetheretherketone (PEEK): PEEK is  systems,  enhance  the  efficiency  and  ics.
          a high-performance polymer known for  accuracy  of  plastic  recycling.  These   Nanocomposites and Hybrid Materials
          its  exceptional mechanical  properties  technologies  enable  the  identification



          68 70  PLASTICS NEWSASTICS NEWS                                                              June 2024                      June 2024                                                                          PLASTICS NEWS   69
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