There are two types of polymers: synthetic and natural. Not to mention, the plastic waste that is burned produces toxic gasses that pollute the air. Global Non-biodegradable Dermal Fillers Market Research Report 2020, - Get FREE Sample of this Report at https://bit.ly/3uh1Sbc, | PowerPoint PPT presentation | free to download. Non-biodegradable products are all kinds of materials, products, by-products, or wastes that cannot be decomposed naturally by soil microorganisms. Biodegradable polymers are the ones that get easily decomposed in nature by the aerobic and anaerobic processes. P4OH. BIODEGRADABLE POLYMERS We want to make sure that we leave behind certain things for our children and grandchildren after we are gone. 1 In the 19th century, the demand for ivory skyrocketed in Europe and America, driving up both price and exclusivity. This report also provides detailed qualitative and quantitative analyses of the market dynamics, market size and future trends in Global Biodegradable Polymers Market. - The presentation will give you idea that how can you contribute towards environment by just switching your ordinary cups to biodegradable cups. Biodegradable polymers can be put inside a bioactive environment, which allows them to undergo degradation with the enzymatic actions of microorganisms like fungi, algae, and bacteria. Home Chemistry Notes PPT [Chemistry Class Notes] on Biodegradable and Non-Biodegradable Polymers Pdf for Exam. i am Beth. d) Eudragit L 100 (1) Eudragit L100 is a type of a) a)Cellulose polymer b) Vinyl co-polymer c) Methacetic acid co-polymer d) d)Methacrylic acid co-polymer It is the most noxious non-biodegradable, and sadly, the most popular one we almost cant live without, plastic. The polymers which can decompose in a few days are decomposed by the action of microorganisms and are known as Biodegradable Polymers. endstream They are environmentally friendly and can be recycled easily. It does not contain harmful chemicals and plastic coatings and thus are completely decomposable with the aid of microorganisms, when placed in a composting area. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Miscanthus. Plastic grocery bags, plastic wraps, or garbage bags are included in disposable plastic bags. The use of disposable plastic bags is still very high even though some countries have banned them. No tracking or performance measurement cookies were served with this page. Currently 60,000 different formulations of plastic exist and among these six major polymers such as polyvinyl chloride (PVC), polyurethane (PU), polystyrene (PS), poly (ethylene terephthalate). Non biodegradable waste. endobj Tissue Engineered Alternatives. What we may not know is that our Yoga mats may not be as good for the environment. These objects are unaffected by natural processes and cannot be disassembled or degraded after thousands of years. With biodegradable products, you can dump them in the land, and within a few days, they will be decomposed. Biodegradable polymers for controlled release & Hydrogel classification, NATURAL POLYMER - ORIGIN AND APPLICATIONS, Roll of polymer in sustained release drug delivery, Pptofbiodegradablepackaging 120816064437-phpapp02 (1), Microspheres by Neelam somani and Meenakshi Bharkatiya, A note on Microsperes , general introduction and method of preparations, introduction to linguistics lecture 1.ppt, Scholarships At University Of Luxembourg.pptx, IIT Bombay WUStL Research and Educational Academy, Effect of cultural Practices on Tomatoes .pptx, businessenglish-150120092240-conversion-gate02.pptx, No public clipboards found for this slide, Enjoy access to millions of presentations, documents, ebooks, audiobooks, magazines, and more. Studies have shown that food packaging materials produces a major share of environmental pollution in terms of non biodegradable wastes. Degradable scaffold PGA/P4OH. Of course, it is detrimental to our environment as the wastes pollute the land and water. Short Rotation Coppice. Biodegradable Plastic Market Size was US$ 4.3 Billion in 2021. Incinerating plastic causes toxic fumes to be released into the atmosphere. Tap here to review the details. to now? to make the recycling process easier. Proteins - Biopolymers The 20 natural amino acid monomers are chemically linked together through amide bonds to form "polypeptide chains" - the backbone 1o structure in peptides and proteins. heterotrophs bacteria in oxidising biodegradable organic carbon present in a discern between biodegradable and non-biodegradable carbon, consequently COD Non-Traditional Strategies Discussed and Shared in Fall 2007 Seminars 11. The process requires that an organism generates an enzyme type of material that simplifies. How Can We Prevent Non-biodegradable Products Waste? Without knowing it, we become active consumers of these goods. The products made from non-biodegradable plastic have added comfort and convenience to everyday lives. Plastic is commonly used due to its low cost, versatility, and toughness, but most plastics are non-biodegradable. E-waste, also known as electronic garbage, is a significant pollutant and is becoming an alarming issue. Design of a Biodegradable Aortic Heart Valve. To accelerate the degradation of non-biodegradable polymers, additives are added to speed up the process. Plastic is a polymer consisting of semi-synthesis and product synthesis. Increasing consumer inclination for bio-based products owing to their biodegradable and non-toxic nature along with enhancing product quality would propel glucaric acid market growth. The site owner may have set restrictions that prevent you from accessing the site. On the other hand, non-biodegradable polymers are made from different polyethylene, polypropylene, etc. Constant exposure of plastics to heat melts those resulting in the emission of gasses into the atmosphere in a process known as outgassing. Hemp Biodegradable Tableware Market Size $990.6 Mn by 2025, - Biodegradable Tableware Market is projected to reach USD 990.6 Million by the end of 2025 at a CAGR of 5.98% between 2019 and 2025, Types of Non-Woven Bags to Use and The Advantages Achievable, - Non-Woven fabrics have utilization in the production of Non-Woven Bags in Bhubaneswar. 3 In the following decades, synthetic plastics were researched intensively, culminating with the invention of Nylon in 1938. Natural polymers occur in nature and can be extracted. Biodegradable Cups - Solution to Pollution. Title: 1 Author: iLLuSioN Last modified by: admin Created Date: 6/14/2005 4:19:10 AM Document presentation format Yoga is good for your body, mind and soul and thats something we all know. Now customize the name of a clipboard to store your clips. very low prices for raw material if glycerol water is used. Examples of Non-biodegradable polymers are- Polyethylene, Teflon, etc. 5. SMC and Endothelial Cells. It decomposes into carbon dioxide and water. Why do we need biodegradable products? However, the most viable alternative is to switch to biodegradable materials to save Mother Earth from escalating ecological catastrophes. Examples of Biodegradable polymers are Poly -hydroxybutyrate co--hydroxy valerate (PHBV), Polyglycolic Acid (PGA), Nylon-2-Nylon-6. The market size of Biodegradable Lubricants will reach xx in 2026, with a CAGR of xx% from 2020 to 2026. Someone essntially assist t make significantly articles Id state. However, we are inadvertently framing a toxic legacy of plastic waste that will play havoc with future generations for centuries to come. Introduction. Contains HFC's. 7 Several industries can thus benefit from this as there are increasing carbon footprint reduction measurements and reporting required due to increased societal pressure on industry to be more environmentally Even if it can take years! Given below, we have shown different types of polymers, which are biodegradable. Growing demand for sustainable and recyclable packaging is thus driving the food biodegradable market globally. The use of a biobased and biodegradable LDI can form a partially segmented polymer architecture before the attachment of an acrylate to chain termini (Scheme 1). Non-biodegradable. The term polymer is a very large group of molecules having a high molecular mass (103 -107u). They are not present in nature, but they can be easily dumped in nature after the reaction as they will break down and decompose. Potassium acetate is biodegradable but corrosive CMA is biodegradable and non-corrosive. Your email address will not be published. A recent report published by Adroit Market Research on Biodegradable Polymer Market provides in depth analysis of segments and sub-segments in us as well as regional markets of market. 1pH-Responsive Biodegradable Polymers for Intracellular Drug DeliveryA. There are different biodegradation rates for other products. Developments in biodegradable materials, rising consumer awareness on environmental issues and stringent regulations are other major factors enhancing the market growth. By switching to eco-friendly yoga mats, you can care for the environment too. It does not contain harmful chemicals and plastic coatings and thus are completely decomposable with the aid of microorganisms, when placed in a composting area. - Laptop with Biodegradable Chassis By Kristopher Just, Biodegradable Lubricants Market Research Report 2020. Ultra-high molecular weight polyethylene(UHMWPE). - Industrial Uses of Vegetable Oils Dr. Suresh S. Narine Director, Alberta Bioplastics Network Professor, University of Alberta Carbon-Carbon Bonds: The heart of the - Are suitable for medical tubing, catheter bags, etc. Randomised comparison of a novel, ultrathin strut biodegradable polymer sirolimus-eluting stent with a durable polymer everolimus-eluting stent for percutaneous coronary revascularization. Strong demand for quality organic and multifunctional components has led to the addition of advanced ingredients that can support overall growth in the industry. The most durable plastic items like bottles, disposable nappies and beer holders can take 450 years to biodegrade. Gene delivery vectors : ADVANTAGES and DISADVANTAGES Commercial trash bags and plastic drop cloths are also being shipped. 4 0 obj Much longer than plastic, it takes a million years to decompose one glass bottle! Now, they are ubiquitous. Non-biodegradable products cannot degrade naturally in the soil. Miscanthus. The development of more sustainable functional materials and processes needs to address pressing environmental goals, efficiency, scale-up, and cost. xSk07StG)4IW:RX8b,lt\^'wSWW0NW\!K4zMHaP4&ps?+ G}x&$)yA;Bp MS"IW~MmXFw,qULgo0&7#H!;xN m [$\m9$'F:+# ,iQgqw We've encountered a problem, please try again. Advise industry, Government and academia on mechanisms to reduce Sugar Beet. Banishing the production and use of such materials is not possible. Biodegradable Super Absorbent Polymers Market Size, Share & Global Forecast 2018-2025, - Global Biodegradable Super Absorbent Polymers Market Size 2017 By Product Type (Polyvinyl Alcohol, Polysaccharides, Polyitaconic acid, Polyacrylamide), By End Use (Disposable diapers, Adult incontinence products, Female Hygiene Products, Agriculture And Others), By Region And Forecast 2018 To 2025, LETIT Local New Energy Technology Implementation. In addition to this, plastics, which we see every day in our lives, are often soiled by food and other biological substances, making the physical recycling of these materials almost impossible to happen and generally undesirable. Polymers are widely used in our daily lives today. It touches upon basic materials, which can be potential materials to prepare biodegradable polymers with their basic structures, properties, behaviour and limitations known till date. Monomers are small molecules that can be linked together iteratively to form more complex molecules called polymers. Industrial Uses of Vegetable Oils Dr. Suresh S. Narine Director, Alberta Bioplastics Network Professor, University of Alberta Carbon-Carbon Bonds: The heart of the Are suitable for medical tubing, catheter bags, etc. Biodegradable waste is decomposed and degraded by microbes. Barley. Waste Processing Technologies Market by Type (Municipal Solid Waste, Bio-Hazardous Waste, E-Waste, and Industrial Waste), Properties (Biodegradable, Non-Biodegradable, Toxic, and Non-Toxic), Source (Residential, Commercial, Agricultural, and Industrial), Process (Incineration, Open Burning, Landfilling, and Others), End-User Industry (Residential, Commercial, Industrial, and Municipal), and Business Type (Original Equipment Manufacturer (OEM) and Aftermarket): Global Opportunity Analysis and Industry Forecast, 20212030, Title: Synthesis of Biodegradable Nanospheres for Side-Effect-Free Anti-Cancer Drug Delivery (2007) Author: Breck School Last modified by: Breck School. PHOH. Looks like youve clipped this slide to already. These polymers are made using genetically modified bacteria such as hydroxybutyrate, hydroxy valerate, polyhydroxy hexanoate, and hydroxy alkanoates. However, researchers have processed mushroom skin such that it can be utilized to create biodegradable electronics. A few common examples of natural polymers are silk, wool, rubber, hemp etc and a few common examples of synthetic polymers are polyvinyl chloride, polypropylene, PVB, nylon etc. Their consumption can even prove to be fatal for a large number of species including Homo sapiens. Imagine just one plastic that takes hundreds of years to decompose. LTD. Executive summary Market Research Use of Biodegradable Mulch for Vegetable Crop Production M. D. Orzolek Dept. Side effects of biodegradable waste And this is the beginning of our nightmare to deal with the harmful effects of non-biodegradable plastic products. - Tranquillity health and beauty, located in Middlesex, is one of the most reliable beauty salons who provide luxury treatments. This workbook covers the Grade 3 Soils in the Environment unit in the NEW 2022 Ontario Science curriculum (Earth and Space Systems). They are highly toxic to the environment and contribute significantly to solid waste, which hurts human health. These are also referred to as macromolecules, which are formed by joining repeating structural units on a large scale. First off, natural dyes and pigments provide brilliant hues. Their effects are starting to be felt right now. Global Biodegradable Polymer Market Size, Share , Price Analysis Report 2025. There are edible polymers as well. Biodegradable by Nature, Green by Choice. Biopolymers are renewable, sustainable, biodegradable, non-toxic, non-immunogenic, non-thrombogenic, and non-carcinogenic.North America is the largest Bioresorbable Polymers market, in terms of value, closely followed by Western Europe. Thus, it creates waste that is deposited in the oceans and on lands, affecting the natural balance of wildlife and nature. of Horticulture The Pennsylvania State University, Biodegradable Polymers from Canola and Flaxseed Oils. Non-biodegradable. It is a complex deal, indeed. I amazed with the research you made to create this actual post extraordinary. One of the most serious issues in recent years regarding these polymers is that we have tonnes of waste products floating in the ocean and dumped on land. Examples: PET, PP, PE, and PS, etc. Bioresorbable Polymers Market Professional Survey Report 2019, - Download Free Research Report PDF @ http://bit.ly/3218U57 #BioresorbablePolymers #MarketAnalysis Bioresorbable Polymers are a category of biopolymers, which are biodegradable polymers that are produced naturally or synthetically. Read more http://blogs.rediff.com/ddenterprisers/2021/03/18/types-of-non-woven-bags-to-use-and-the-advantages-achievable/, Biodegradable Tableware Market Opportunities in Grooming Regions with Forecast 2025, - Biodegradable Tableware Market CAGR of 5.98% between 2019 and 2025, BIOCOM? Some of them are synthetic-based, while some can be easily found in nature. It is simply because the main ingredient to make this material doesnt occur in nature. Biodegradable Paper & Plastic Packaging Market by Applications (Food Packaging, Beverage Packaging, Pharmaceuticals Packaging, Personal & Home Care Packaging, and Others), Packaging Type (Plastic and Paper), & by Geography (North America, Europe, Asia-Pacific, and ROW) - Global Trends & Forecast to 2019. Bioplastics come from natural sources such as corn crops and switchgrass. Short Rotation Coppice. Those who are lazy to bring water from home will think it is easier when buying and throwing away the packaging. While biodegradable products are safe for the environment due to their nature that can easily degrade in the soil, the non-degradable materials are the exact opposite. NON BIODEGRADABLE POLYMERS Ethyl Cellulose-Hydrophobic polymer 1.Coating of solid dosage forms, in matrix systems which are prepared by wet granulation or direct . It is the simplest linear aliphatic polymer used in drug delivery, orthopaedic operations such as screws and nails etc. Good morning sir. At present, biodegradable polymers represent a small part of the global thermoplastics market. Non-biodegradable polymers are unaffected by natural processes and cannot be disassembled or degraded after thousands of years. The non-clinical results presented in Fig. What we may not know is that our Yoga mats may not be as good for the environment. Get FREE Sample of this Report at https://bit.ly/3uh1Sbc. Furthermore, plastic waste will usually be recycled to produce valuable new products. Biodegradable plastics encompass a wide range of materials such that they are bio-based, biodegradable, or both. The developing trends in the functionalization of synthetic biodegradable polymers (1) Easier functionalization processes with mild reaction conditions and without harmful effects on bulk properties of polymers are pursued (2) Functionalization will be related to biomimetics (3) Promising potential for in vivo applications. The Study of Polymers Used in Pharmaceutical Industries. These gadgets are called Myceliotronics, named after the component of a mushroom used in their manufacturing. PGA. Activate your 30 day free trialto unlock unlimited reading. She has made a name for herself as one of South Florida's most well-respected Medical Aesthetic Nurse Practitioners. 100% recyclable. Biodegradable Paper & Plastic Packaging Market - Global Trends & Forecast to 2019, - Biodegradable Paper & Plastic Packaging Market by Applications (Food Packaging, Beverage Packaging, Pharmaceuticals Packaging, Personal & Home Care Packaging, and Others), Packaging Type (Plastic and Paper), & by Geography (North America, Europe, Asia-Pacific, and ROW) - Global Trends & Forecast to 2019, Global Biodegradable Superabsorbent Materials Market Share, Trends, Growth and Forecast, 2016 2023. Cereal Straw. However, many polymers are highly resistant to degradation and are involved in the accumulation of polymer solid waste. Mechanism 3 homogeneously dispersed drug in biodegradable polymers released by erosion diffusion or When a chemical polymerization occurs for the bio monomers like PLA, polycaprolactone, polybutylene succinate, and polybutylene succinate adipate, the product is found at the end of the chemical reaction are synthetic biodegradable polymers. For example, use reusable shopping bags or switch to plant-based eco products, like cassava bags, if you are willing to spend more money. Required fields are marked *. The global bioresorbable polymers market size reached US$ 1.32 Billion in 2022. It is made of a combination of sand, soda ash and limestone. Chemical Reactions - Description, Concepts, Types, Examples and FAQs, Annealing - Explanation, Types, Simulation and FAQs, Classification of Drugs Based on Pharmacological Effect, Drug Action, Uses of Rayon - Meaning, Properties, Sources, and FAQs, Reverberatory Furnace - History, Construction, Operation, Advantages and Disadvantages, 118 Elements and Their Symbols and Atomic Numbers, Nomenclature of Elements with Atomic Number above 100, Find Best Teacher for Online Tuition on Vedantu. Download Free Research Report PDF @ http://bit.ly/3218U57 #BioresorbablePolymers #MarketAnalysis Bioresorbable Polymers are a category of biopolymers, which are biodegradable polymers that are produced naturally or synthetically. Teflon or tetrafluoroethylene is a synthetic fluoropolymer of tetrafluoroethylene which is less reactive and hence is used in cooking wares or wiring in aerospace etc. This book deals with the family of biodegradable polymers which have to be prepared with a novel idea of studying polymers with a "Cradle to Grave" approach. Of course aquatic life. Polyamide 11 (PA 11) is a biopolymer derived from vegetable oil. Moreover, scientists also warn against using styrofoam for hot food because high temperatures can melt it down and release toxic chemicals to your food. Also, when biodegradable materials are used to create products, minimum carbon emission occurs during the composting process. This means that these polymers are hard to decompose, and they provide strength and durability to the products in which they are used. endobj 1 Introduction. For instance, styrene, a neurotoxin at high doses, can leach out of polystyrene materials when temperatures climb. Dont forget to separate them according to type (e.g., plastics, glass, metal, etc.) It is brittle and can be used to make medicines and bottles, orthopaedic devices, packing material etc. Poly dioxanone (PDS) is a colorless, non-toxic . These materials can pollute the soil and water and endanger wildlife and the ecosystem. How so? Synthetic polymers are derived from petroleum oil, and made by scientists and engineers. Non-enzymatic processes like chemical hydrolysis can also break down the chain of Biodegradable polymers. It appears that you have an ad-blocker running. 3 0 obj More than 80% of the non-biodegradable plastic packaging is used only once, and then it is discarded. Hence, you need to use non-biodegradable materials wisely or change them to biodegradable ones. It decomposes into carbon dioxide and water. Injunctive Relief. <> They come from nature and are made from raw materials or renewable resources such as starch, cellulose, and lignin. There are several biodegradable polymers, and each of them can be classified into different properties using their chemical composition, origin, and method of synthesis. - Potassium acetate is biodegradable but corrosive CMA is biodegradable and non-corrosive. Thus, it can be made into new items made of glass. Start with small steps. - The report on Biodegradable Polymers by Infinium Global Research analyses the Biodegradable Polymers Market over the period of 2017 to 2023. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. 2. It is brittle and can be used to make medicines and bottles, orthopaedic devices, packing material etc. Polystyrene. 18nto301t - Applications of Nanotechnology_module II Lecture 6 - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. PGA. The presentation will give you idea that how can you contribute towards environment by just switching your ordinary cups to biodegradable cups. <> The non-biodegradable materials cannot be degraded by any natural or biological process, thus causing them to remain for quite a long period in the environment. Polymers are widely used in our daily lives today. Tissue Engineered Alternatives. This report also provides detailed qualitative and quantitative analyses of the market dynamics, market size and future trends in Global Biodegradable Polymers Market. Hence, they contribute to increasing microplastic contamination. Cellulose Ethers are polymeric ethers of cellulose and represent a broad class of synthetic, non-biodegradable, organic materials. Biodegradable polymers are of three types. This polymer is non-transdermal owing to its high molecular weight and is nearly harmless to algae, corals, and mice. MOHD. Some of the adverse effects of non-biodegradable waste include - Clogging of drains, Destruction and contamination of water bodies, Soil destruction, Global warming, Death of cattle, due to ingestion of plastics, Nutrition deficient crops, Ecological imbalance, Air pollution, Water pollution, Land pollution . of pharmaceutics. They come from nature and are made from raw materials or renewable resources such as starch, cellulose, and lignin. How are synthetic Non-biodegradable polymers used in medicine? New study on Food Biodegradable Packaging Market 2021 industry trends & forecast just published. Silicone cup containing drug. I would like to request a copy of your ppt, my email add: [email protected] Thank you very much in advance. Chain polymerization of cyclic dimers of glycolic acid produces Polyglycolic acid. Biodegradable plastics differs from conventional non-biodegradable plastics in terms of raw materials, production technology, applications, and composting. They take a very long time to be completely degraded by the soil. Eco-friendly alternatives are being incorporated using biodegradable or recyclable materials. This work presents an initial exploration of biofriendly and coral-friendly polymeric UV filter via a simple multicomponent reaction and provides insights that can guide the design of value-added functional polymers for . Non biodegradable waste. We can provide our services throughout Surrey. endobj Estimated Wal-Mart Supply Chain Savings of Get More Information @ http://bit.ly/2s2bgxO It begins with selection of packing material and it drives choice of packing equipment to be used and final package performance, which decides wrapping success. Industry Trends, Growth, Insight, Impact of COVID-19, Company Analysis, Global Forecast 2021-2027. They are often water-based. The studies mentioned that plastics take hundreds of years to decompose. Bio-Based but not biodegradable Plastics are long polymer chains that can be molded under heat or pressure into almost any shape. They also have industrial applications for textile finishing and corrosion prevention in metalworking fluids. Cereal Straw. Pineapple leaf fibres are an abundant agricultural waste product that contains 26.9% cellulose. However, not all types of plastic can pass this procedure. 100% recyclable. This material has a low biodegradability value and biofragmentasi very limited.www.themegallery.com. This phenomenon affects the balance of the ecosystem, which can endanger human life as well in the end. Non-Biodegradable waste cannot be decomposed by microbes. References 1. These objects are unaffected by natural processes and cannot be disassembled or degraded after thousands of years. However, plastic wastes do not degrade over time and have a longer-lasting effect on both humans and the entire environment in a myriad of ways. A few common examples of natural polymers are silk, Biodegradable and Non-Biodegradable Polymers, Polymers are widely used in our daily lives today. You can try to change your lifestyle gradually; for example, move on from disposable plastic bottles to Tumblr and more. The studies mentioned that plastics take hundreds of years to decompose. [Chemistry Class Notes] on Difference Between Natural Polymers and Synthetic Polymers Pdf for Exam, 250+ TOP MCQs on Biodegradable Polymers and Answers, [Chemistry Class Notes] on Biodegradable and Non Biodegradable Pdf for Exam, [Chemistry Class Notes] on Synthetic Polymers Pdf for Exam, [Chemistry Class Notes] on Uses of Polymers Pdf for Exam, [Biology Class Notes] on Biodegradable and Non-Biodegradable Substances Pdf, [Chemistry Class Notes] Natural Polymers Pdf for Exam, 250+ TOP MCQs on Biodegradable Polymers for Biomaterial Processing and Answers, [Chemistry Class Notes] on Thermoplastic Polymers Pdf for Exam, [Chemistry Class Notes] on Thermosetting Polymers or Thermosets Pdf for Exam, 250+ TOP MCQs on Synthetic Polymers for Biomaterial Processing and Answers, [Chemistry Class Notes] on Types of Plastic Pdf for Exam, [Chemistry Class Notes] on Plastic Pdf for Exam, [Chemistry Class Notes] on Uses of Plastics Pdf for Exam, [Chemistry Class Notes] on Properties of Plastics Pdf for Exam, [Chemistry Class Notes] on Polymers Pdf for Exam, [Chemistry Class Notes] on Plastics Pdf for Exam, [Chemistry Class Notes] Industrial Waste: Types Pdf for Exam.