Different types of plastics and their uses pdf

Engineering properties and uses of these glass is discussed in this article. The various forms of polypropylene have different melting points and hardnesses. Types of glass and its properties for use in construction. Plastic is an essential component used in making many kinds of products. Number 7 plastics are used to make baby bottles, sippy cups, water cooler bottles and car parts.

Plastids are responsible for manufacturing and storing of food. Polycarbonate pc is the most common plastic in this category, isnt used as. Understanding plastics and polymers the different types of. Jan 20, 2019 the use of plastics materials has increased dramatically throughout the world over the past 50 years, and now stands at roughly 100 billion pounds. Plastids different types of plastids and their functions in. We used to build ships from wood and planes from string hemp and canvas cottonflax. Its clear that modern life would be very different without plastics. The difference between the two types of plastics can be remembered by memorizing the term thermosetting. Polymers are composed of nonmetallic elements, found at the upper right corner of the periodic table. Review different pump types commonly used understand the difference between centrifugal pumps and positive displacement pumps understand the working principle of the tuthill. Items such as disposable coffee cups, plastic food boxes, plastic cutlery and packing foam are made from ps.

Types of plastics and the symbols used to identify them. Most plastics packaging companies recycle waste or scrap plastic for reuse in their own facilities, and even offer alternatives. These types of plastics are hard to recycle and contain the toxic chemical bpa, a dangerous hormone disruptor that can cause health problems. Have them choose 1 or 2 types of plastic and using what they have just learned about their physical and chemical properties, explain why certain plastics are used to package certain items. The eleven most important types of plastic creative mechanisms staff on july 21, 2016. Plastic recycling is made easier by special codes put into the plastic item at the point of manufacture. Understanding the properties of plastic and resin codes helps you make informed decisions.

Number 7 is for all plastics other than those identified by number 16 and also plastics that may be layered or mixed with other types of plastics, such as bioplastics. Pete plastic is used to make many common household items like beverage bottles, medicine jars, rope, clothing and carpet fibre. Did you know only some varieties of plastic are recyclable. Polyester resins are formed from the reaction of dibasic organic acids and polyhydric alcohols. Glass is a hard substance which may be transparent or translucent and brittle in nature. Two basic classes according to the american chemistry council, inc. Plastics packaging materials are used to cover the plastic related materials or products. Polypropylene is used in car trim, battery cases, bottles, tubes, filaments and bags. The full form of pet is polyethylene terephthalate. We take a look at the different types of plastic films and their uses when it comes to food packaging.

Code 7 is used to designate miscellaneous types of plastic not defined by the other six codes. The polymers which are formed by linking monomer units, without the any change of material, are known to as addition polymers or also called as chaingrowth polymers. Uses and types of plastic films for food packaging. This density of polyethylene is ductile and used to make products like. Acrylic or polymethyl methacrylate pmma polycarbonate pc polyethylene pe polypropylene pp polyethylene terephthalate pete or pet polyvinyl chloride pvc acrylonitrilebutadienestyrene abs. Acrylic or polymethyl methacrylate pmma polycarbonate pc polyethylene pe polypropylene pp. There are different types of plastids with their specialized. Most packaging contains a small numberlogo to help identify the plastic used and you can familiarise yourselves. Bioplastics are a diverse family of materials with differing properties. There are two basic classes of plastics along with seven popular types of plastics. Some polycarbonate water bottles are marketed as nonleaching for minimizing plastic taste or odor, however.

Plastids are doublemembrane organelle which are found in the cells of plants and algae. Below you will find information on 16 different types of 3d printing materials. Polycarbonate pc is the most common plastic in this category, isnt used as much in recent years due to it being associated with bisphenol a bpa. The following table summarizes seven different types of commonly used plastics. Thermoplastic types of plastics can be easily reshaped and reused. These polymers have been compounded with modifying or stabilizing additives. Different types of pvc are used for plumbing, insulation of electrical wires, and vinyl.

Cleaning solution and soap containers, food and drink storage, shopping bags, freezer bags, pipes, insulation, bottle caps. Smithersrapramediasample chaptersrecycledpolymerspropertiesandapplications,volume2. But in the case of thermosetting type plastics, it is not possible to reshape or remold the material. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. While polyethylene is the most widely used synthetic plastic, polypropylene, the secondmost used, is the material of choice in textiles, plastic parts, containers and other demanding applications, due to its ruggedness and resistance to chemical solvents. The most common type of plastic is polyethene, which is a.

Understanding plastics and polymers the different types. One of the reasons that hdpe is used so regularly is that it can be recycled in many different ways and therefore converted into many different things. The most common type of plastic is polyethene, which is a thermoplastic. There are various types of glass used in construction for different purposes. There are 7 types of plastic with different uses and features. A group of five different types of reusable and disposable hot drink cups have been analyzed in detail with respect to their overall energy costs. Chances are that even if you are a 3d printing expert you will learn something new in this guide. Its different from the plastic bag that we commonly see at the. To effectively recycle plastic items, you need to know two things.

What types of bioplastics do exist and what properties do. If you want to learn the different types of 3d printer filament on the market, their purposes and edges against each other you are on the right page. Jul 17, 2018 number 7 is for all plastics other than those identified by number 16 and also plastics that may be layered or mixed with other types of plastics, such as bioplastics. Find information on the wide variety of plastics used in hundreds of household and consumer products. They are very flexible and have excellent resistance to heat, chemicals, and flame. Commercial plastics are known as resins in north america, and are made of polymers. Typical reactions for chain assembling are polyaddition continuous or step wise and condensation polymerization polycondensation 1 figure 1. Learn about the different types of plastics, their properties and common uses. Generalpurpose molding and used to meet food and drug administration regulations for parts in foodcontact and medical applications. Plastic recycling and plastic recycling codes for the. Highdensity polyethylene hdpe is a hard rigid plastic. They arent good for the landfill, as many will persist for hundreds of years. Review different pump types commonly used understand the difference between centrifugal pumps and positive displacement pumps. Other types of thermoplastics include nylon, pvc and pva.

Spi codes for plastics help you better understand the products youre using and how they affect your health and the environment. We had to work with the materials that nature provided, but no morewe now design our own materials. Spi that introduced its resin identification coding system in 1988 after lobbying by recyclers. At consolidated plastics, we think of plastic as a medium of change, making products better while serving as a reminder that flexibility. Different types of plastics and their classification the society of the plastics industry spi established a classification system in 1988 to allow consumers and recyclers to identify different types of plastic. Plastic recycling codes come from the the society of the plastics industry, inc. Use our interactive properties table below to explore by property group, sort, or compare two or more plastic materials.

What are their advantages and which type of plastic is most suitable for your product. The main thermoplastic polymers and their properties are. Despite being all but unheard of until the 1920s, plastic materials have effectively permeated every aspect of modern day life, from the microchips in your computer to the bags you carry your shopping in. There are thousands of types of plastics, each with their own benefits to how you live, work and play. In this video, youll discover the 7 most common types of plastic. While its common for people to have different ideas on how to arrive at a. Manufacturers utilize a variety of different plastic materials and compounds that each possess unique properties. Different types of thermoplastic resins and their applications. Trains, planes, and automobiles, even ships, satellites, and space stations, use plastics extensively. When it comes to using plastics, knowing the differences between the types of plastic, as well as their spi codes, will help you make more informed decisions.

Plastics enable sustainable, durable, longlasting design and construction in homes, buildings, and infrastructure like bridges in automotive design, plastics have contributed to a multitude of innovations in safety, performance and fuel efficiency. Plastids different types of plastids and their functions. Jun 07, 2018 in this video, youll discover the 7 most common types of plastic. Examples of thermosetting plastics are silicones, urea aldehyde and bakelite. Plastics are a wide range of synthetic or semisynthetic organic compounds that are malleable and so can be molded into solid objects plasticity is the general property of all materials which can deform irreversibly without breaking but, in the class of moldable polymers, this occurs to such a degree that their actual name derives from this specific ability. They are formed or expanded to produce materials of low density. Additionally, because many plastics are based ultimately on crude oil, there is a continuous rise in the cost of raw materials that chemical engineers are trying to workaround. The classification of plastics, and a list of their main characteristics. Learn about the different types of plastics, how each one is used and what new kinds of plastics could be on the horizon. Common plastics their abbreviations, names and uses. This article looks at 12 different types of resins and their properties and applications.

Here are the topeleven most relevant types from water bottles to artificial hips. Then have students share their explanations and discuss in small groups why plastics have be. While the plastic resin codes dont necessarily indicate the toxins used in the plastics, they are useful for distinguishing between the different kinds of plastics. Biobased or partially biobased, durable plastics such as biobased polyethylene pe, polyethylene terephthalate pet socalled dropin solutions, biobased technical. At present, plastics find use in buildings mainly in thin coverings, panels, sheets, foams. Did you know that each plastic type is assigned a number. The two main types of plastics are called thermosetting plastics and thermoplastics. Plastics uses, benefits, and chemical safety facts. Synthetic polymers types and examples polymer uses. Polystyrene is commonly recycled, but is difficult to do. These often contain pigments that are used in photosynthesis and different types of pigments that can change the colour of the cell. Synthetic polymers are sometimes referred as plastics, of which the wellknown ones are nylon and polyethylene. Jul 17, 2019 perversely, some plastics can be cured hardened by uv, which shows how varied their formulas are.

Manufacturers place an spi code, or number, on each plastic product, usually moulded into the bottom. What types of bioplastics do exist and what properties do they have. The different types of plastics and how they are recycled. While weve covered the most commonlyused plastics before, there are a number of other remarkable plastic materials that might be within your reach right nowin your pocket or purse, in your car, in your phone or even inside your body. In this process sand is fused with lime, soda and some other. Plastics are manufactured in different forms such as moulding pipes, sheets and films. The plastics can be injection moulded or extruded and is available in two forms. The journey of plastics from a linear to a circular economy. The use of plastics materials has increased dramatically throughout the world over the past 50 years, and now stands at roughly 100 billion pounds. Plastics enable sustainable, durable, longlasting design and construction in homes, buildings, and infrastructure like bridges. Now that we have discussed the various types of plastics, lets look at how plastics are made. Today were looking at the types of different plastics, along with their properties and uses which leads us at consolidated plastics to consider the nature of change, both in our business and in yours.

Thermoplastics are by far the ones most studied in rheology, therefore, this section will focus only on the major types of thermoplastic material. Properties and uses of plastics as a construction material. The different types of resins, their primary properties, and their applications and uses are summarized in the following table. The following information is designed to help you identify the types of plastics that you will find and their common uses. They are used as stabilizers, pigments and other components to form plastics. A primary reason that polymer properties are different is because the chemical compositions of metals, polymers and ceramics are totally different. In this article, i will be explaining the different types of plastics used in our household applications as well as industrial applications in the form of thermoplastics and thermosetting plastics. Biobased, durable plastics, such as biobased pe or biobased pet, possess properties that are identical to their conventional versions.

How to identify different types of plastic owlcation. Thermosetting plastics, once heated and cooled, cannot be reheated and remolded. Because many plastics are so durable and dont corrode, they create considerable disposal problems. Below is 7 of the most popular and commonly used plastics. And weve different type of plastics which can be recycled and they in turn can be used for numerous uses. Also, you may want to use our plastic material selection guide or interactive thermoplastics triangle to assist with the material selection process based on your application requirements. For chemically resistant plastic, view our chemical resistance of. You can try magnetic, glowinthedark, or even conductive filaments. Feb 28, 2012 resins are any of the chemically modified natural resins or synthetic polymers which are physically similar, including thermoplastic materials such as polyvinyl, polystyrene, and polyethylene, as well as thermosetting materials such as polyesters, epoxies, and silicones. An amorphous engineering thermoplastic, polycarbonates are characterized by a combo of toughness, transparency, heatflame resistance and stability.

Spi code 7 is a potpourri of plastics, one of which is polycarbonate. Plastics are one of the most versatile and widely used materials in the world. Scroll through some examples of each spi code in this exclusive gallery. Plastics are particularly troublesome, as different types require different processing to be reformulated and reused as raw material. Pet is the most widely produced plastic in the world.

At the end of their use life they can be repaired or reused, but ultimately, they will become. Mar 02, 2016 plastics that are based on fossil resources and are biodegradable, such as pbat and pcl, but that may well be produced at least partly biobased in the future. Sep 30, 2016 there are 7 types of plastic and each plastic type is assigned a number. Acrylonitrile and styrene provide chemical resistance, butadiene adds impact resistance and makes the plastic suitable for furniture, computer housings etc. Plastics packaging is used for packaging a variety of items i. Plastics exist in thousands of different varieties. Methods of recycling, properties and applications of. In spite of so much hullabaloo going on about the ban on plastics, plastics industry will always be a booming industry.