The Science Behind Plastics: Understanding Their Traits and Uses
S. Ramaswamy
, V. Kaveri , V. Sutha , Dilsha Selvakumar , N. Geethalakshmi , Sruthi Mohan
Plastics, Polyethylen, Chemical composition, Polymer industry
Plastics have become an essential part of modern life, utilized across various fields such as clothing, construction, and the automotive industry. Their lightweight nature, versatility, and durability enhance fuel efficiency, ensure food safety, and minimize waste. However, the widespread use of plastics has led to significant environmental challenges, particularly plastic pollution, which threatens ecosystems and biodiversity. To effectively address these issues, understanding the properties and applications of plastics while exploring sustainable alternatives is crucial. The history of plastic production dates back to 1600 BC, with major advancements occurring during the Industrial Revolution, driven by the material’s low cost and durability. Key figures in this evolution include Alexander Parkes, who created Parkesine, the first man-made plastic, and John Wesley Hyatt, who invented celluloid. In 1907, Leo Baekeland introduced Bakelite, recognized as the first true synthetic plastic. Other significant developments include polyethylene, discovered by Eric Fawcett and Reginald Gibson in 1933, PVC by Friedrich Klatte, and nylon by Wallace Carothers. Plastics are characterized by properties like malleability, chemical resistance, and insulation. However, their non-biodegradable nature and susceptibility to deformation raise concerns about their long-term environmental impact. At the core of plastics are polymers, which are large molecules made of repeating units called monomers. These can be classified based on their chemical composition and properties, including homopolymers and copolymers. They can further be divided into thermoplastics, which can be remoulded upon heating, and thermosetting plastics, which maintain their shape after moulding. Factors such as chain length, branching, and cross-linking influence their physical properties, making polymer chemistry vital in various fields, including nanotechnology. In India, the polymer industry represents a significant economic sector, valued at several billion dollars and employing around four million people. As of 2021, India became the third-largest consumer of polymers globally, with a projected 6.4% increase in consumption for the financial year 2023-24. However, this growth presents environmental challenges, as India accounts for nearly one-fifth of the world’s plastic emissions, exacerbated by inadequate waste management systems. To address these issues, there is an increasing focus on sustainable solutions, such as biodegradable polymers and alternatives like polyamideimide (PAI). Plastics can be broadly categorized into thermoplastics, like polyethylene commonly used in packaging, and thermosetting plastics, which cannot be reshaped once moulded. The production of plastics, especially low-density polyethylene, significantly contributes to greenhouse gas emissions, underscoring the urgent need for sustainable practices. Microplastics—particles smaller than 5 mm—have also been found in food and drinking water, with their effects on human health still not fully understood. As awareness of plastic pollution grows, there is a pressing need for effective policies that promote responsible consumption and waste reduction. Innovations in recycling technologies and the development of bioplastics offer promising pathways to enhance sustainability in plastic production and disposal. In summary, while plastics are vital for extending product shelf life and improving efficiency, their environmental impact cannot be overlooked. Balancing the benefits of plastics with the necessity for sustainability is crucial for protecting human health and ecosystems, fostering a circular economy where resources are effectively reused and recycled.
"The Science Behind Plastics: Understanding Their Traits and Uses", IJNRD - INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT (www.IJNRD.org), ISSN:2456-4184, Vol.9, Issue 10, page no.d88-d96, October-2024, Available :https://ijnrd.org/papers/IJNRD2410312.pdf
Volume 9
Issue 10,
October-2024
Pages : d88-d96
Paper Reg. ID: IJNRD_301592
Published Paper Id: IJNRD2410312
Downloads: 00033
Research Area: Science and Technology
Country: -, -, India
ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar | ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.76 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator
Publisher: IJNRD (IJ Publication) Janvi Wave
