The polymer takes a long period of time to break down in landfill sites, which we are running out of space for. Polyethylene terephthalate (PET or PETE) is a general-purpose thermoplastic polymer which belongs to the polyester family of polymers. Joanna Izdebska, in Printing on Polymers, 2016. These landfill sites destroy greenspaces and habitats; Poly(ethene) is made from crude oil, which is a now renewable fossil fuel. The first two processes take place mostly in the amorphous part of the polymeric material and the photooxidation process is initiated at the surface. Disadvantages. The Disadvantages of Polymer Banknotes By James Bisson Paper money is much easier to fold than polymer banknotes. Environmental Effects Now a days polymer are used in almost every field of life in different forms like plastics, rubbers, fibers etc. One of the main advantages of using biodegradable polymers to make plastic bags is the significant reduction in the carbon emissions that happen during the manufacturing process as compared to that of regular plastic. They can be easily moulded and have excellent finishing. As money is handled over the course of months and years, it begins to break down. FIBRE REINFORCED POLYMERS – STRENGTHS, WEAKNESSES, OPPORTUNITIES AND THREATS Chris BURGOYNE Department of Engineering, University of Cambridge, UK Keywords: economics, strengths, weakness, applications, design Oh wad some power the Giftie gie us To see oursels as others see us! As new polymers went into the development process, the plastics advantages and disadvantages required constant review to avoid detrimental environmental impacts. 1. They possess good shock absorption capacity. In spite of such great potential, polymer nanodiscs have their disadvantages including lack of size control and instability at low pH and with divalent metals. The polymer, like many other plastics, takes a long time to break down, and as such can end up in landfill sites … Many plastics have a long lifespan that encourages reuse. In this review, we discuss how these limitations have been overcome by simple modifications of synthetic polymers … Despite its popularity, polyethylene is a polymer with a few disadvantages which can deter manufacturers and consumers from using it. Disadvantages. Eventually, the money can no longer remain in circulation. Polymers and the enviroment Using polymers as feedstock for cracking Disadvantages one disadvantage of burning polymers for the production of energy is that if incomplete combustion takes place a toxic gas is released called carbon monoxide which decreses the amount of oxygen can. Photodegradation is a process that changes the basic structure of a polymer by cross-linking, chain scission, and oxidative processes. Polyester resins are known for their excellent combination of properties such as mechanical, thermal, chemical resistance as well as dimensional stability. Folds eventually become small tears, which turn into bigger tears. hence there production is very large to meet the demand of the society. 22.3.1 Radiation Degradation. Low elastic modulus. FONTS advantages of biodesiles advantages of making polymers Advantages of plastic: Advantages of plastic are light in weight. Therefore, it is not rigid enough and easy to be deformed in the structural application. The elastic modulus of FRP is two times larger than that of wood, but 10 times smaller than that of steel (E=2.1×106). We will gradually run out of this material. 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