* PLASTIC POLLUTION | | 0.0 (0) | Written by rashmi October 06‚ 2010 Hits: 368 0 Cash Credits: 25.00 Editor: Deepti The pollution that is caused by organic polymer materials such as plastic on the environment thereby having harmful effect on human being is known as plastic pollution. Plastic mainly can be divided in two broader classifications namely. * Thermoplastics * Thermosetting plastics Both these varieties of plastics are not biodegradable that cannot
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Conventional Oil Based Plastics Vs. Innovative Green Plastics The Twentieth century was filled with many inventions that have greatly influenced our world. The invention of plastic was one of the most dramatic of them all. Humans use plastics each and every day and just imagining a day without them is inconceivable. A material can be a plastic if it satisfies three conditions: its main ingredient must be a polymer material‚ it must be fluid at some point during processing‚ and it must be solid
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USING PHENOL AND FORMALDEHYDE. INDRODUCTION: WHAT IS BAKELITE? Bakelite or polyoxybenzylmethylenglycolanhydride is an early plastic. It is a thermosetting phenol formaldehyde resin‚ formed from an elimination reaction of phenol with formaldehyde. It was developed by Belgian-born chemist Leo Baekeland in New York in 1907. One of the first plastics made from synthetic components‚ Bakelite was used for its electrical non-conductivity and heat-resistant properties in electrical insulators
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CHAPTER 1. 1.INTRODUCTION OF PLASTICS IN AUTOMOBILE Although the rate of usage of plastics in motor cars and commercial vehicles is increasing year by year‚ the actual percentage of plastics found in an average car is between 15-20%. However it is realized by both automobile and the plastic industry that this is just the beginning and the amount of plastics used in vehicles will treble in the next five years‚ at the expense of steel and its alloys. In essence the reason for the spectacular
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What is plastic?? A material that contains one or more organic polymers of large molecular weight‚ solid in its finished state and at some state while manufacturing or processing into finished articles‚ can be shaped by its flow. Types of plastics 1.Thermosets. 2.Elastomers. 3.Thermoplastics. NATURAL RESINS solids or semi solid materials light yellow to darkbrown in colour carbon‚ hydrogen and oxygen. globules on the bark . SYNTHETIC RESINS derived primarily from petroleum
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Paper or Plastic? You are at the grocery store checking out and the clerk asks you‚ “paper or plastic?” Which one will you choose? Do you choose paper because you think it is better for the environment‚ or do you choose plastic because its easier to carry? Whatever choice you make is up to you‚ but I hope that after reading this essay you will be more informed about the choice you do make. Paper comes from trees. It starts from logging‚ where trees are marked and cut down. In the logging process
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The Effects of Plastic Bags on Environmentt * | * The effects of plastic bags on the environment are really quite devastating. While there are many objections to the banning of plastic bags based solely on their convenience‚ the damage to the environment needs to be controlled. * There is no way to strictly limit the effects of plastic bags on the environment because there is no disposal method that will really help eliminate the problem. While reusing them is the first step‚ most people
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Quite recently among girls under the age of eighteen‚ pursue their ambition to either enhance their physical appearance or deformities through plastic surgery. Although there may be possibilities of risk‚ adolescences that undergo the procedure are willing to accept them in order to feel comfort with one’s own body. Emotionally‚ patients are at risk by making the decision‚ which will have long-term repercussions. Several underage women consider that plastic surgery is a swift fix for their physical
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about various views on plastic surgery for teenagers: The first text‚ Plastic surgery for teens The Modern society with all the beauty icons from TV‚ magazines‚ posters on the streets and with all the texts about ‘how to look good’ has affected the entire American society according to the text “Plastic Surgery for teens” written by Ulene Valerie. Ulene‚ who is now a grown up woman‚ presents her personal view on why so many people consider plastic surgery in a very young age. In Ulenes opinion
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Images produced by the media will make people do almost anything to fit American standards of the perfect body. Plastic surgery offers a quick fix to help achieve this goal but no matter how much surgery nothing is perfect. Images produced by media‚ quick fixes and the outcome of the fixes are problems that woman of all ages deal with. From the time of birth‚ images of physical perfection bombard young minds. When children are young their minds are fragile and mold to what they are taught. One
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