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this what makes plastic very flexible and reduced its tensile strength the plasticier should not own a vapour pressure or it will leave the plastic brittle again when it is evaporates.It proved to be clean, inexpensive, long-lasting, strong, and able to be produced in a wide range of bright and attractive colours.
Plastics are used widely for products packaging and other applications where mechanical strength is not conceder premium.
And plastic can model complex shapes in an easy way.
Chemical structure Thermosets assumed to have unaccounted of molecular weight.
But in fact its common range around 20,000 and 50,000 amu .
When those polymers appears,people thought that it is suitable to the engineers needs.
Bakelite was one of the first developed commercial plastics and they used as a cover of early radios.Disclaimer: This work has been submitted by a student.This is not an example of the work produced by our Essay Writing Service.His invention marked the beginning of a new “plastic age” that has transformed many aspects of industry and our lives.Great enthusiasm greeted the discovery, and plastic was labeled the manufacturing material of the future.As the technology for their production increases, even more products will enter the “plastic age”.The major chemicals that go into the making of plastic are highly toxic and pose serious threat to living beings of all species on earth .Nevertheless, the plastic technology was developed which let the plastics to be very useful and reliable as a material to design product.The plastic characterized by its light-weight , the possibility to colored when manufacturing.The plastic was revealed in London at 1862 Great International Exhibition.However, some polymers which can occur naturally like rubber wasn’t known until 1910 when was the development of synthetic polymers.