The first two processes take place mostly in the amorphous part of the polymeric material and the photooxidation process is initiated at the surface. Eventually, the money can no longer remain in circulation. 1. The polymer takes a long period of time to break down in landfill sites, which we are running out of space for. They have eased the life of a man but there are some disadvantages also, that are related to polymers … 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. 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. 22.3.1 Radiation Degradation. Joanna Izdebska, in Printing on Polymers, 2016. Polyethylene terephthalate (PET or PETE) is a general-purpose thermoplastic polymer which belongs to the polyester family of polymers. As money is handled over the course of months and years, it begins to break down. They can be easily moulded and have excellent finishing. Low elastic modulus. hence there production is very large to meet the demand of the society. Environmental Effects Now a days polymer are used in almost every field of life in different forms like plastics, rubbers, fibers etc. These landfill sites destroy greenspaces and habitats; Poly(ethene) is made from crude oil, which is a now renewable fossil fuel. We will gradually run out of this material. 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). Disadvantages. FONTS advantages of biodesiles advantages of making polymers Advantages of plastic: Advantages of plastic are light in weight. Many plastics have a long lifespan that encourages reuse. Photodegradation is a process that changes the basic structure of a polymer by cross-linking, chain scission, and oxidative processes. Despite its popularity, polyethylene is a polymer with a few disadvantages which can deter manufacturers and consumers from using it. List of the Advantages of Plastics. As new polymers went into the development process, the plastics advantages and disadvantages required constant review to avoid detrimental environmental impacts. They possess very good strength and toughness. The polymer, like many other plastics, takes a long time to break down, and as such can end up in landfill sites … Folds eventually become small tears, which turn into bigger tears. In this review, we discuss how these limitations have been overcome by simple modifications of synthetic polymers … 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! Disadvantages of fiberglass reinforced plastic pipe. Polyester resins are known for their excellent combination of properties such as mechanical, thermal, chemical resistance as well as dimensional stability. The Disadvantages of Polymer Banknotes By James Bisson Paper money is much easier to fold than polymer banknotes. Therefore, it is not rigid enough and easy to be deformed in the structural application. Disadvantages. 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