留学生Essay写作—微珠对海洋生物的影响
6页1、http:/ 留学生论文专业定制代写网站留学生Essay写作微珠对海洋生物的影响本文主要讲解的是美容产品中微珠的生产如何影响我们的海洋生物?Microbeads are very small pieces of plastics also known as polyethene microbeads that are used within beauty products such as toothpaste and face scrubs(Thefactsabout.co.uk,2017).Microbeads can be made from other petrochemical plastics(Department,2016).These types of plastics are only manufactured for consumer goods;however,they are on the way to being banned completely worldwide(Whyte,2017).These small microbeads are non-biod
2、egradable which means when they are released into our environment they stay around for ever(Plastic Free Seas, 2003).This is a problem for our marine animals as they cannot distinguish the difference between food and the miniature microbeads(Clear water, 2017).This is also a big problem for our water ways as these are polycyclic hydrocarbons polluting the environment,making our water unclean (Thefactsabout.co.uk,2017).The small microbeads are unable to be disposed of unless melted down and reuse
3、d for another purpose(Gagilas and Alper,2016).Micro beads are small plastics make of polyethene,this is also known a polymer or a plastic(ABC News,2016).A polymer is a large molecule composed of many repeated subunits(Encyclopedia Britannica,2017).There are many physical and chemical properties of polyethene in which make it suitable for the use in body scrubs(1millionwomen,2017).Polyethene is used in body scrubs due to its ability to adapt to certain activities,to exfoliate the skin in a quick
4、non-natural way and micro abrasions(Biome Team,2016).They can do this due to their physical properties being sphere,easily moulded and soluble in water.These small microbeads were originally chosen to be used in beauty products is because they are clean,safe and are manufactured to a small size(Biome Team,2016).Petroleum is used to manufacture microbeads and has many advantages and/or disadvantages to the environment(Green garage,2015).Some of the advantages that petroleum can be to the manufact
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